From 8da5d90ecadf13f1510dbbc4bce05645684142a2 Mon Sep 17 00:00:00 2001
From: HAOYUatHZ <37070449+HAOYUatHZ@users.noreply.github.com>
Date: Wed, 12 Jun 2019 17:33:30 +0800
Subject: [PATCH] feat: add processIssuing (#152)
* init asset
* add confirmations
* fix
* add processBlock
* clean db
* add getAsset
* fix https://github.com/Bytom/vapor/pull/152#discussion_r291964871 & https://github.com/Bytom/vapor/pull/152#discussion_r291964144
* init AssetCache
* set maxAssetCached
* add rm get
* implement add get remove assetCache
* use assetCache instead of assetMap
* use hashicorp/golang-lru
* add bytom vendor
* fix submodule
* use golang/groupcache/lru
* fix https://github.com/Bytom/vapor/pull/152#discussion_r292805572
* fix asset create
---
docs/federation/federation.sql | 31 +-
federation/config/config.go | 2 +-
federation/database/cache.go | 33 +
federation/database/orm/asset.go | 15 +
federation/synchron/mainchain_keeper.go | 146 +-
vendor/github.com/bytom/common/address.go | 368 +++
vendor/github.com/bytom/common/address_test.go | 382 +++
vendor/github.com/bytom/common/bech32/bech32.go | 248 ++
.../github.com/bytom/common/bech32/bech32_test.go | 63 +
vendor/github.com/bytom/common/bech32/doc.go | 11 +
.../github.com/bytom/common/bech32/example_test.go | 43 +
vendor/github.com/bytom/common/bytes.go | 39 +
vendor/github.com/bytom/common/sort.go | 23 +
vendor/github.com/bytom/common/types.go | 92 +
vendor/github.com/bytom/common/types_test.go | 88 +
vendor/github.com/bytom/consensus/general.go | 163 ++
vendor/github.com/bytom/consensus/general_test.go | 38 +
vendor/github.com/bytom/crypto/crypto.go | 31 +
.../bytom/crypto/ed25519/chainkd/bench_test.go | 53 +
.../bytom/crypto/ed25519/chainkd/chainkd.go | 275 +++
.../bytom/crypto/ed25519/chainkd/chainkd_test.go | 279 +++
.../bytom/crypto/ed25519/chainkd/expanded_key.go | 102 +
.../crypto/ed25519/chainkd/expanded_key_test.go | 97 +
.../bytom/crypto/ed25519/chainkd/serialize.go | 60 +
.../bytom/crypto/ed25519/chainkd/serialize_test.go | 37 +
.../bytom/crypto/ed25519/chainkd/util.go | 34 +
.../bytom/crypto/ed25519/ecmath/point.go | 91 +
.../bytom/crypto/ed25519/ecmath/point_test.go | 44 +
.../bytom/crypto/ed25519/ecmath/scalar.go | 78 +
vendor/github.com/bytom/crypto/ed25519/ed25519.go | 206 ++
.../bytom/crypto/ed25519/ed25519_test.go | 155 ++
.../ed25519/internal/edwards25519/chain_export.go | 6 +
.../crypto/ed25519/internal/edwards25519/const.go | 1418 +++++++++++
.../ed25519/internal/edwards25519/edwards25519.go | 1767 ++++++++++++++
.../bytom/crypto/ed25519/testdata/sign.input.gz | Bin 0 -> 50330 bytes
.../bytom/crypto/randentropy/rand_entropy.go | 26 +
.../github.com/bytom/crypto/scrypt/example_test.go | 26 +
vendor/github.com/bytom/crypto/scrypt/scrypt.go | 242 ++
.../github.com/bytom/crypto/scrypt/scrypt_test.go | 162 ++
vendor/github.com/bytom/crypto/scrypt/smix.go | 8 +
vendor/github.com/bytom/crypto/sha3pool/pool.go | 31 +
vendor/github.com/bytom/crypto/sm2/cert_pool.go | 214 ++
vendor/github.com/bytom/crypto/sm2/p256.go | 1041 ++++++++
vendor/github.com/bytom/crypto/sm2/pkcs1.go | 117 +
vendor/github.com/bytom/crypto/sm2/pkcs8.go | 473 ++++
vendor/github.com/bytom/crypto/sm2/sm2.go | 509 ++++
vendor/github.com/bytom/crypto/sm2/sm2_test.go | 219 ++
vendor/github.com/bytom/crypto/sm2/verify.go | 553 +++++
vendor/github.com/bytom/crypto/sm2/x509.go | 2514 ++++++++++++++++++++
vendor/github.com/bytom/crypto/sm3/sm3.go | 193 ++
vendor/github.com/bytom/crypto/sm3/sm3_test.go | 65 +
.../bytom/encoding/blockchain/blockchain.go | 203 ++
.../github.com/bytom/encoding/bufpool/bufpool.go | 35 +
vendor/github.com/bytom/errors/doc.go | 57 +
vendor/github.com/bytom/errors/errors.go | 189 ++
vendor/github.com/bytom/errors/errors_test.go | 142 ++
vendor/github.com/bytom/errors/stack.go | 51 +
vendor/github.com/bytom/errors/writer.go | 46 +
vendor/github.com/bytom/errors/writer_test.go | 51 +
vendor/github.com/bytom/math/checked/checked.go | 268 +++
.../github.com/bytom/math/checked/checked_test.go | 232 ++
vendor/github.com/bytom/protocol/bc/asset.go | 98 +
vendor/github.com/bytom/protocol/bc/asset_test.go | 77 +
vendor/github.com/bytom/protocol/bc/bc.pb.go | 725 ++++++
vendor/github.com/bytom/protocol/bc/bc.proto | 116 +
vendor/github.com/bytom/protocol/bc/block.go | 8 +
vendor/github.com/bytom/protocol/bc/blockheader.go | 34 +
vendor/github.com/bytom/protocol/bc/coinbase.go | 22 +
vendor/github.com/bytom/protocol/bc/entry.go | 165 ++
vendor/github.com/bytom/protocol/bc/entry_test.go | 91 +
vendor/github.com/bytom/protocol/bc/hash.go | 103 +
vendor/github.com/bytom/protocol/bc/issuance.go | 30 +
vendor/github.com/bytom/protocol/bc/mux.go | 21 +
vendor/github.com/bytom/protocol/bc/output.go | 24 +
vendor/github.com/bytom/protocol/bc/retirement.go | 20 +
vendor/github.com/bytom/protocol/bc/spend.go | 30 +
vendor/github.com/bytom/protocol/bc/tx.go | 73 +
vendor/github.com/bytom/protocol/bc/tx_status.go | 51 +
.../github.com/bytom/protocol/bc/tx_status_test.go | 73 +
vendor/github.com/bytom/protocol/bc/tx_test.go | 38 +
vendor/github.com/bytom/protocol/bc/txheader.go | 25 +
vendor/github.com/bytom/protocol/bc/types/block.go | 115 +
.../bytom/protocol/bc/types/block_commitment.go | 37 +
.../protocol/bc/types/block_commitment_test.go | 54 +
.../bytom/protocol/bc/types/block_header.go | 131 +
.../bytom/protocol/bc/types/block_header_test.go | 377 +++
.../bytom/protocol/bc/types/block_test.go | 228 ++
.../github.com/bytom/protocol/bc/types/coinbase.go | 17 +
.../github.com/bytom/protocol/bc/types/issuance.go | 59 +
vendor/github.com/bytom/protocol/bc/types/map.go | 193 ++
.../github.com/bytom/protocol/bc/types/map_test.go | 159 ++
.../github.com/bytom/protocol/bc/types/merkle.go | 344 +++
.../bytom/protocol/bc/types/merkle_test.go | 489 ++++
.../bytom/protocol/bc/types/output_commitment.go | 72 +
.../protocol/bc/types/output_commitment_test.go | 59 +
vendor/github.com/bytom/protocol/bc/types/spend.go | 36 +
.../bytom/protocol/bc/types/spend_commitment.go | 77 +
.../protocol/bc/types/spend_commitment_test.go | 69 +
.../bytom/protocol/bc/types/spend_test.go | 70 +
.../bytom/protocol/bc/types/transaction.go | 184 ++
.../bytom/protocol/bc/types/transaction_test.go | 335 +++
.../github.com/bytom/protocol/bc/types/txinput.go | 286 +++
.../bytom/protocol/bc/types/txinput_test.go | 160 ++
.../github.com/bytom/protocol/bc/types/txoutput.go | 84 +
.../bytom/protocol/bc/types/txoutput_test.go | 96 +
vendor/github.com/bytom/protocol/vm/assemble.go | 228 ++
.../github.com/bytom/protocol/vm/assemble_test.go | 82 +
vendor/github.com/bytom/protocol/vm/bitwise.go | 150 ++
.../github.com/bytom/protocol/vm/bitwise_test.go | 269 +++
vendor/github.com/bytom/protocol/vm/context.go | 35 +
vendor/github.com/bytom/protocol/vm/control.go | 108 +
.../github.com/bytom/protocol/vm/control_test.go | 220 ++
vendor/github.com/bytom/protocol/vm/crypto.go | 158 ++
vendor/github.com/bytom/protocol/vm/crypto_test.go | 488 ++++
vendor/github.com/bytom/protocol/vm/errors.go | 22 +
.../github.com/bytom/protocol/vm/introspection.go | 125 +
.../bytom/protocol/vm/introspection_test.go | 309 +++
vendor/github.com/bytom/protocol/vm/numeric.go | 459 ++++
.../github.com/bytom/protocol/vm/numeric_test.go | 565 +++++
vendor/github.com/bytom/protocol/vm/ops.go | 490 ++++
vendor/github.com/bytom/protocol/vm/ops_test.go | 179 ++
vendor/github.com/bytom/protocol/vm/pushdata.go | 64 +
.../github.com/bytom/protocol/vm/pushdata_test.go | 188 ++
vendor/github.com/bytom/protocol/vm/splice.go | 170 ++
vendor/github.com/bytom/protocol/vm/splice_test.go | 192 ++
vendor/github.com/bytom/protocol/vm/stack.go | 312 +++
vendor/github.com/bytom/protocol/vm/stack_test.go | 423 ++++
vendor/github.com/bytom/protocol/vm/types.go | 52 +
vendor/github.com/bytom/protocol/vm/types_test.go | 80 +
vendor/github.com/bytom/protocol/vm/vm.go | 232 ++
vendor/github.com/bytom/protocol/vm/vm_test.go | 442 ++++
.../github.com/bytom/protocol/vm/vmutil/builder.go | 114 +
.../bytom/protocol/vm/vmutil/builder_test.go | 122 +
.../github.com/bytom/protocol/vm/vmutil/script.go | 154 ++
.../bytom/protocol/vm/vmutil/script_test.go | 222 ++
135 files changed, 26383 insertions(+), 11 deletions(-)
create mode 100644 federation/database/cache.go
create mode 100644 federation/database/orm/asset.go
create mode 100644 vendor/github.com/bytom/common/address.go
create mode 100644 vendor/github.com/bytom/common/address_test.go
create mode 100644 vendor/github.com/bytom/common/bech32/bech32.go
create mode 100644 vendor/github.com/bytom/common/bech32/bech32_test.go
create mode 100644 vendor/github.com/bytom/common/bech32/doc.go
create mode 100644 vendor/github.com/bytom/common/bech32/example_test.go
create mode 100644 vendor/github.com/bytom/common/bytes.go
create mode 100644 vendor/github.com/bytom/common/sort.go
create mode 100644 vendor/github.com/bytom/common/types.go
create mode 100644 vendor/github.com/bytom/common/types_test.go
create mode 100644 vendor/github.com/bytom/consensus/general.go
create mode 100644 vendor/github.com/bytom/consensus/general_test.go
create mode 100644 vendor/github.com/bytom/crypto/crypto.go
create mode 100644 vendor/github.com/bytom/crypto/ed25519/chainkd/bench_test.go
create mode 100644 vendor/github.com/bytom/crypto/ed25519/chainkd/chainkd.go
create mode 100644 vendor/github.com/bytom/crypto/ed25519/chainkd/chainkd_test.go
create mode 100644 vendor/github.com/bytom/crypto/ed25519/chainkd/expanded_key.go
create mode 100644 vendor/github.com/bytom/crypto/ed25519/chainkd/expanded_key_test.go
create mode 100644 vendor/github.com/bytom/crypto/ed25519/chainkd/serialize.go
create mode 100644 vendor/github.com/bytom/crypto/ed25519/chainkd/serialize_test.go
create mode 100644 vendor/github.com/bytom/crypto/ed25519/chainkd/util.go
create mode 100644 vendor/github.com/bytom/crypto/ed25519/ecmath/point.go
create mode 100644 vendor/github.com/bytom/crypto/ed25519/ecmath/point_test.go
create mode 100644 vendor/github.com/bytom/crypto/ed25519/ecmath/scalar.go
create mode 100644 vendor/github.com/bytom/crypto/ed25519/ed25519.go
create mode 100644 vendor/github.com/bytom/crypto/ed25519/ed25519_test.go
create mode 100644 vendor/github.com/bytom/crypto/ed25519/internal/edwards25519/chain_export.go
create mode 100644 vendor/github.com/bytom/crypto/ed25519/internal/edwards25519/const.go
create mode 100644 vendor/github.com/bytom/crypto/ed25519/internal/edwards25519/edwards25519.go
create mode 100644 vendor/github.com/bytom/crypto/ed25519/testdata/sign.input.gz
create mode 100644 vendor/github.com/bytom/crypto/randentropy/rand_entropy.go
create mode 100644 vendor/github.com/bytom/crypto/scrypt/example_test.go
create mode 100644 vendor/github.com/bytom/crypto/scrypt/scrypt.go
create mode 100644 vendor/github.com/bytom/crypto/scrypt/scrypt_test.go
create mode 100644 vendor/github.com/bytom/crypto/scrypt/smix.go
create mode 100644 vendor/github.com/bytom/crypto/sha3pool/pool.go
create mode 100644 vendor/github.com/bytom/crypto/sm2/cert_pool.go
create mode 100644 vendor/github.com/bytom/crypto/sm2/p256.go
create mode 100644 vendor/github.com/bytom/crypto/sm2/pkcs1.go
create mode 100644 vendor/github.com/bytom/crypto/sm2/pkcs8.go
create mode 100644 vendor/github.com/bytom/crypto/sm2/sm2.go
create mode 100644 vendor/github.com/bytom/crypto/sm2/sm2_test.go
create mode 100644 vendor/github.com/bytom/crypto/sm2/verify.go
create mode 100644 vendor/github.com/bytom/crypto/sm2/x509.go
create mode 100644 vendor/github.com/bytom/crypto/sm3/sm3.go
create mode 100644 vendor/github.com/bytom/crypto/sm3/sm3_test.go
create mode 100644 vendor/github.com/bytom/encoding/blockchain/blockchain.go
create mode 100644 vendor/github.com/bytom/encoding/bufpool/bufpool.go
create mode 100644 vendor/github.com/bytom/errors/doc.go
create mode 100644 vendor/github.com/bytom/errors/errors.go
create mode 100644 vendor/github.com/bytom/errors/errors_test.go
create mode 100644 vendor/github.com/bytom/errors/stack.go
create mode 100644 vendor/github.com/bytom/errors/writer.go
create mode 100644 vendor/github.com/bytom/errors/writer_test.go
create mode 100644 vendor/github.com/bytom/math/checked/checked.go
create mode 100644 vendor/github.com/bytom/math/checked/checked_test.go
create mode 100644 vendor/github.com/bytom/protocol/bc/asset.go
create mode 100644 vendor/github.com/bytom/protocol/bc/asset_test.go
create mode 100644 vendor/github.com/bytom/protocol/bc/bc.pb.go
create mode 100644 vendor/github.com/bytom/protocol/bc/bc.proto
create mode 100644 vendor/github.com/bytom/protocol/bc/block.go
create mode 100644 vendor/github.com/bytom/protocol/bc/blockheader.go
create mode 100644 vendor/github.com/bytom/protocol/bc/coinbase.go
create mode 100644 vendor/github.com/bytom/protocol/bc/entry.go
create mode 100644 vendor/github.com/bytom/protocol/bc/entry_test.go
create mode 100644 vendor/github.com/bytom/protocol/bc/hash.go
create mode 100644 vendor/github.com/bytom/protocol/bc/issuance.go
create mode 100644 vendor/github.com/bytom/protocol/bc/mux.go
create mode 100644 vendor/github.com/bytom/protocol/bc/output.go
create mode 100644 vendor/github.com/bytom/protocol/bc/retirement.go
create mode 100644 vendor/github.com/bytom/protocol/bc/spend.go
create mode 100644 vendor/github.com/bytom/protocol/bc/tx.go
create mode 100644 vendor/github.com/bytom/protocol/bc/tx_status.go
create mode 100644 vendor/github.com/bytom/protocol/bc/tx_status_test.go
create mode 100644 vendor/github.com/bytom/protocol/bc/tx_test.go
create mode 100644 vendor/github.com/bytom/protocol/bc/txheader.go
create mode 100644 vendor/github.com/bytom/protocol/bc/types/block.go
create mode 100644 vendor/github.com/bytom/protocol/bc/types/block_commitment.go
create mode 100644 vendor/github.com/bytom/protocol/bc/types/block_commitment_test.go
create mode 100644 vendor/github.com/bytom/protocol/bc/types/block_header.go
create mode 100644 vendor/github.com/bytom/protocol/bc/types/block_header_test.go
create mode 100644 vendor/github.com/bytom/protocol/bc/types/block_test.go
create mode 100644 vendor/github.com/bytom/protocol/bc/types/coinbase.go
create mode 100644 vendor/github.com/bytom/protocol/bc/types/issuance.go
create mode 100644 vendor/github.com/bytom/protocol/bc/types/map.go
create mode 100644 vendor/github.com/bytom/protocol/bc/types/map_test.go
create mode 100644 vendor/github.com/bytom/protocol/bc/types/merkle.go
create mode 100644 vendor/github.com/bytom/protocol/bc/types/merkle_test.go
create mode 100644 vendor/github.com/bytom/protocol/bc/types/output_commitment.go
create mode 100644 vendor/github.com/bytom/protocol/bc/types/output_commitment_test.go
create mode 100644 vendor/github.com/bytom/protocol/bc/types/spend.go
create mode 100644 vendor/github.com/bytom/protocol/bc/types/spend_commitment.go
create mode 100644 vendor/github.com/bytom/protocol/bc/types/spend_commitment_test.go
create mode 100644 vendor/github.com/bytom/protocol/bc/types/spend_test.go
create mode 100644 vendor/github.com/bytom/protocol/bc/types/transaction.go
create mode 100644 vendor/github.com/bytom/protocol/bc/types/transaction_test.go
create mode 100644 vendor/github.com/bytom/protocol/bc/types/txinput.go
create mode 100644 vendor/github.com/bytom/protocol/bc/types/txinput_test.go
create mode 100644 vendor/github.com/bytom/protocol/bc/types/txoutput.go
create mode 100644 vendor/github.com/bytom/protocol/bc/types/txoutput_test.go
create mode 100644 vendor/github.com/bytom/protocol/vm/assemble.go
create mode 100644 vendor/github.com/bytom/protocol/vm/assemble_test.go
create mode 100644 vendor/github.com/bytom/protocol/vm/bitwise.go
create mode 100644 vendor/github.com/bytom/protocol/vm/bitwise_test.go
create mode 100644 vendor/github.com/bytom/protocol/vm/context.go
create mode 100644 vendor/github.com/bytom/protocol/vm/control.go
create mode 100644 vendor/github.com/bytom/protocol/vm/control_test.go
create mode 100644 vendor/github.com/bytom/protocol/vm/crypto.go
create mode 100644 vendor/github.com/bytom/protocol/vm/crypto_test.go
create mode 100644 vendor/github.com/bytom/protocol/vm/errors.go
create mode 100644 vendor/github.com/bytom/protocol/vm/introspection.go
create mode 100644 vendor/github.com/bytom/protocol/vm/introspection_test.go
create mode 100644 vendor/github.com/bytom/protocol/vm/numeric.go
create mode 100644 vendor/github.com/bytom/protocol/vm/numeric_test.go
create mode 100644 vendor/github.com/bytom/protocol/vm/ops.go
create mode 100644 vendor/github.com/bytom/protocol/vm/ops_test.go
create mode 100644 vendor/github.com/bytom/protocol/vm/pushdata.go
create mode 100644 vendor/github.com/bytom/protocol/vm/pushdata_test.go
create mode 100644 vendor/github.com/bytom/protocol/vm/splice.go
create mode 100644 vendor/github.com/bytom/protocol/vm/splice_test.go
create mode 100644 vendor/github.com/bytom/protocol/vm/stack.go
create mode 100644 vendor/github.com/bytom/protocol/vm/stack_test.go
create mode 100644 vendor/github.com/bytom/protocol/vm/types.go
create mode 100644 vendor/github.com/bytom/protocol/vm/types_test.go
create mode 100644 vendor/github.com/bytom/protocol/vm/vm.go
create mode 100644 vendor/github.com/bytom/protocol/vm/vm_test.go
create mode 100644 vendor/github.com/bytom/protocol/vm/vmutil/builder.go
create mode 100644 vendor/github.com/bytom/protocol/vm/vmutil/builder_test.go
create mode 100644 vendor/github.com/bytom/protocol/vm/vmutil/script.go
create mode 100644 vendor/github.com/bytom/protocol/vm/vmutil/script_test.go
diff --git a/docs/federation/federation.sql b/docs/federation/federation.sql
index f3850d1a..04d407fa 100644
--- a/docs/federation/federation.sql
+++ b/docs/federation/federation.sql
@@ -49,7 +49,7 @@ LOCK TABLES `chains` WRITE;
INSERT INTO `chains`
(`id`, `name`, `block_height`, `block_hash`, `created_at`, `updated_at`)
VALUES
-(1,'btm',0,'a75483474799ea1aa6bb910a1a5025b4372bf20bef20f246a2c2dc5e12e8a053','2018-09-13 05:10:43','2018-11-27 09:42:06');
+(1,'bytom',0,'a75483474799ea1aa6bb910a1a5025b4372bf20bef20f246a2c2dc5e12e8a053','2018-09-13 05:10:43','2018-11-27 09:42:06');
/*!40000 ALTER TABLE `chains` ENABLE KEYS */;
UNLOCK TABLES;
@@ -117,4 +117,33 @@ CREATE TABLE `cross_transaction_signs` (
) ENGINE=InnoDB DEFAULT CHARSET=utf8;
LOCK TABLES `cross_transaction_signs` WRITE;
+UNLOCK TABLES;
+
+
+# Dump of table assets
+# ------------------------------------------------------------
+
+DROP TABLE IF EXISTS `assets`;
+
+CREATE TABLE `assets` (
+ `id` int(11) NOT NULL AUTO_INCREMENT,
+ `asset_id` varchar(64) NOT NULL,
+ `issuance_program` varchar(64) NOT NULL,
+ `vm_version` int(11) NOT NULL DEFAULT '1',
+ `raw_definition_byte` text,
+ `created_at` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,
+ `updated_at` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+ PRIMARY KEY (`id`),
+ UNIQUE KEY `asset_id` (`asset_id`),
+ UNIQUE KEY `asset_meta` (`issuance_program`,`vm_version`,`raw_definition_byte`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8;
+
+LOCK TABLES `assets` WRITE;
+/*!40000 ALTER TABLE `assets` DISABLE KEYS */;
+
+INSERT INTO `assets` (`id`, `asset_id`, `issuance_program`, `vm_version`, `raw_definition_byte`, `created_at`, `updated_at`)
+VALUES
+ (1,'ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff','',1,'7b0a202022646563696d616c73223a20382c0a2020226465736372697074696f6e223a20224279746f6d204f6666696369616c204973737565222c0a2020226e616d65223a202242544d222c0a20202273796d626f6c223a202242544d220a7d','2018-09-13 05:10:43','2018-11-27 09:43:35');
+
+/*!40000 ALTER TABLE `assets` ENABLE KEYS */;
UNLOCK TABLES;
\ No newline at end of file
diff --git a/federation/config/config.go b/federation/config/config.go
index 270f9b83..d09a3943 100644
--- a/federation/config/config.go
+++ b/federation/config/config.go
@@ -69,5 +69,5 @@ type Chain struct {
Name string `json:"name"`
Upstream string `json:"upstream"`
SyncSeconds uint64 `json:"sync_seconds"`
- Confirmations string `json:"confirmations"`
+ Confirmations uint64 `json:"confirmations"`
}
diff --git a/federation/database/cache.go b/federation/database/cache.go
new file mode 100644
index 00000000..8a4807d1
--- /dev/null
+++ b/federation/database/cache.go
@@ -0,0 +1,33 @@
+package database
+
+import (
+ "github.com/golang/groupcache/lru"
+
+ "github.com/vapor/federation/database/orm"
+)
+
+const maxAssetCached = 1024
+
+type AssetCache struct {
+ lruCache *lru.Cache
+}
+
+func NewAssetCache() *AssetCache {
+ return &AssetCache{lruCache: lru.New(maxAssetCached)}
+}
+
+func (a *AssetCache) Add(assetID string, asset *orm.Asset) {
+ a.lruCache.Add(assetID, asset)
+}
+
+func (a *AssetCache) Get(assetID string) *orm.Asset {
+ if v, ok := a.lruCache.Get(assetID); ok {
+ return v.(*orm.Asset)
+ }
+
+ return nil
+}
+
+func (a *AssetCache) Remove(assetID string) {
+ a.lruCache.Remove(assetID)
+}
diff --git a/federation/database/orm/asset.go b/federation/database/orm/asset.go
new file mode 100644
index 00000000..21c4bf4d
--- /dev/null
+++ b/federation/database/orm/asset.go
@@ -0,0 +1,15 @@
+package orm
+
+import (
+ "github.com/vapor/federation/types"
+)
+
+type Asset struct {
+ ID uint64 `gorm:"primary_key"`
+ AssetID string
+ IssuanceProgram string
+ VMVersion uint64
+ RawDefinitionByte string
+ CreatedAt types.Timestamp
+ UpdatedAt types.Timestamp
+}
diff --git a/federation/synchron/mainchain_keeper.go b/federation/synchron/mainchain_keeper.go
index 4e30d0b2..c53a90dc 100644
--- a/federation/synchron/mainchain_keeper.go
+++ b/federation/synchron/mainchain_keeper.go
@@ -1,26 +1,154 @@
package synchron
import (
+ "encoding/hex"
+ "time"
+
+ btmTypes "github.com/bytom/protocol/bc/types"
"github.com/jinzhu/gorm"
+ log "github.com/sirupsen/logrus"
+ "github.com/vapor/errors"
"github.com/vapor/federation/config"
+ "github.com/vapor/federation/database"
+ "github.com/vapor/federation/database/orm"
"github.com/vapor/federation/service"
+ "github.com/vapor/protocol/bc"
)
type mainchainKeeper struct {
- cfg *config.Chain
- db *gorm.DB
- node *service.Node
- chainName string
+ cfg *config.Chain
+ db *gorm.DB
+ node *service.Node
+ chainName string
+ assetCache *database.AssetCache
}
func NewMainchainKeeper(db *gorm.DB, chainCfg *config.Chain) *mainchainKeeper {
return &mainchainKeeper{
- cfg: chainCfg,
- db: db,
- node: service.NewNode(chainCfg.Upstream),
- chainName: chainCfg.Name,
+ cfg: chainCfg,
+ db: db,
+ node: service.NewNode(chainCfg.Upstream),
+ chainName: chainCfg.Name,
+ assetCache: database.NewAssetCache(),
+ }
+}
+
+func (m *mainchainKeeper) Run() {
+ ticker := time.NewTicker(time.Duration(m.cfg.SyncSeconds) * time.Second)
+ for ; true; <-ticker.C {
+ for {
+ isUpdate, err := m.syncBlock()
+ if err != nil {
+ log.WithField("error", err).Errorln("blockKeeper fail on process block")
+ break
+ }
+
+ if !isUpdate {
+ break
+ }
+ }
+ }
+}
+
+func (m *mainchainKeeper) syncBlock() (bool, error) {
+ chain := &orm.Chain{Name: m.chainName}
+ if err := m.db.Where(chain).First(chain).Error; err != nil {
+ return false, errors.Wrap(err, "query chain")
+ }
+
+ height, err := m.node.GetBlockCount()
+ if err != nil {
+ return false, err
+ }
+
+ if height <= chain.BlockHeight+m.cfg.Confirmations {
+ return false, nil
+ }
+
+ nextBlockStr, txStatus, err := m.node.GetBlockByHeight(chain.BlockHeight + 1)
+ if err != nil {
+ return false, err
+ }
+
+ nextBlock := &btmTypes.Block{}
+ if err := nextBlock.UnmarshalText([]byte(nextBlockStr)); err != nil {
+ return false, errors.New("Unmarshal nextBlock")
+ }
+
+ if nextBlock.PreviousBlockHash.String() != chain.BlockHash {
+ log.WithFields(log.Fields{
+ "remote PreviousBlockHash": nextBlock.PreviousBlockHash.String(),
+ "db block_hash": chain.BlockHash,
+ }).Fatal("BlockHash mismatch")
+ return false, errors.New("BlockHash mismatch")
+ }
+
+ if err := m.tryAttachBlock(chain, nextBlock, txStatus); err != nil {
+ return false, err
}
+
+ return true, nil
+}
+
+func (m *mainchainKeeper) tryAttachBlock(chain *orm.Chain, block *btmTypes.Block, txStatus *bc.TransactionStatus) error {
+ blockHash := block.Hash()
+ log.WithFields(log.Fields{"block_height": block.Height, "block_hash": blockHash.String()}).Info("start to attachBlock")
+ m.db.Begin()
+ if err := m.processBlock(block); err != nil {
+ m.db.Rollback()
+ return err
+ }
+
+ return m.db.Commit().Error
+}
+
+func (m *mainchainKeeper) processBlock(block *btmTypes.Block) error {
+ if err := m.processIssuing(block.Transactions); err != nil {
+ return err
+ }
+
+ return nil
+}
+
+func (m *mainchainKeeper) processIssuing(txs []*btmTypes.Tx) error {
+ for _, tx := range txs {
+ for _, input := range tx.Inputs {
+ switch inp := input.TypedInput.(type) {
+ case *btmTypes.IssuanceInput:
+ assetID := inp.AssetID()
+ if _, err := m.getAsset(assetID.String()); err == nil {
+ continue
+ }
+
+ asset := &orm.Asset{
+ AssetID: assetID.String(),
+ IssuanceProgram: hex.EncodeToString(inp.IssuanceProgram),
+ VMVersion: inp.VMVersion,
+ RawDefinitionByte: hex.EncodeToString(inp.AssetDefinition),
+ }
+ if err := m.db.Create(asset).Error; err != nil {
+ return err
+ }
+
+ m.assetCache.Add(asset.AssetID, asset)
+ }
+ }
+ }
+
+ return nil
}
-func (m *mainchainKeeper) Run() {}
+func (m *mainchainKeeper) getAsset(assetID string) (*orm.Asset, error) {
+ if asset := m.assetCache.Get(assetID); asset != nil {
+ return asset, nil
+ }
+
+ asset := &orm.Asset{AssetID: assetID}
+ if err := m.db.Where(asset).First(asset).Error; err != nil {
+ return nil, errors.Wrap(err, "asset not found in memory and mysql")
+ }
+
+ m.assetCache.Add(assetID, asset)
+ return asset, nil
+}
diff --git a/vendor/github.com/bytom/common/address.go b/vendor/github.com/bytom/common/address.go
new file mode 100644
index 00000000..4c81d948
--- /dev/null
+++ b/vendor/github.com/bytom/common/address.go
@@ -0,0 +1,368 @@
+package common
+
+import (
+ "bytes"
+ "errors"
+ "fmt"
+ "strings"
+
+ "github.com/bytom/common/bech32"
+ "github.com/bytom/consensus"
+)
+
+var (
+ // ErrChecksumMismatch describes an error where decoding failed due
+ // to a bad checksum.
+ ErrChecksumMismatch = errors.New("checksum mismatch")
+
+ // ErrUnknownAddressType describes an error where an address can not
+ // decoded as a specific address type due to the string encoding
+ // begining with an identifier byte unknown to any standard or
+ // registered (via chaincfg.Register) network.
+ ErrUnknownAddressType = errors.New("unknown address type")
+
+ // ErrAddressCollision describes an error where an address can not
+ // be uniquely determined as either a pay-to-pubkey-hash or
+ // pay-to-script-hash address since the leading identifier is used for
+ // describing both address kinds, but for different networks. Rather
+ // than assuming or defaulting to one or the other, this error is
+ // returned and the caller must decide how to decode the address.
+ ErrAddressCollision = errors.New("address collision")
+
+ // ErrUnsupportedWitnessVer describes an error where a segwit address being
+ // decoded has an unsupported witness version.
+ ErrUnsupportedWitnessVer = errors.New("unsupported witness version")
+
+ // ErrUnsupportedWitnessProgLen describes an error where a segwit address
+ // being decoded has an unsupported witness program length.
+ ErrUnsupportedWitnessProgLen = errors.New("unsupported witness program length")
+)
+
+// Address is an interface type for any type of destination a transaction
+// output may spend to. This includes pay-to-pubkey (P2PK), pay-to-pubkey-hash
+// (P2PKH), and pay-to-script-hash (P2SH). Address is designed to be generic
+// enough that other kinds of addresses may be added in the future without
+// changing the decoding and encoding API.
+type Address interface {
+ // String returns the string encoding of the transaction output
+ // destination.
+ //
+ // Please note that String differs subtly from EncodeAddress: String
+ // will return the value as a string without any conversion, while
+ // EncodeAddress may convert destination types (for example,
+ // converting pubkeys to P2PKH addresses) before encoding as a
+ // payment address string.
+ String() string
+
+ // EncodeAddress returns the string encoding of the payment address
+ // associated with the Address value. See the comment on String
+ // for how this method differs from String.
+ EncodeAddress() string
+
+ // ScriptAddress returns the raw bytes of the address to be used
+ // when inserting the address into a txout's script.
+ ScriptAddress() []byte
+
+ // IsForNet returns whether or not the address is associated with the
+ // passed bytom network.
+ IsForNet(*consensus.Params) bool
+}
+
+// encodeSegWitAddress creates a bech32 encoded address string representation
+// from witness version and witness program.
+func encodeSegWitAddress(hrp string, witnessVersion byte, witnessProgram []byte) (string, error) {
+ // Group the address bytes into 5 bit groups, as this is what is used to
+ // encode each character in the address string.
+ converted, err := bech32.ConvertBits(witnessProgram, 8, 5, true)
+ if err != nil {
+ return "", err
+ }
+
+ // Concatenate the witness version and program, and encode the resulting
+ // bytes using bech32 encoding.
+ combined := make([]byte, len(converted)+1)
+ combined[0] = witnessVersion
+ copy(combined[1:], converted)
+ bech, err := bech32.Bech32Encode(hrp, combined)
+ if err != nil {
+ return "", err
+ }
+
+ // Check validity by decoding the created address.
+ version, program, err := decodeSegWitAddress(bech)
+ if err != nil {
+ return "", fmt.Errorf("invalid segwit address: %v", err)
+ }
+
+ if version != witnessVersion || !bytes.Equal(program, witnessProgram) {
+ return "", fmt.Errorf("invalid segwit address")
+ }
+
+ return bech, nil
+}
+
+// DecodeAddress decodes the string encoding of an address and returns
+// the Address if addr is a valid encoding for a known address type.
+//
+// The bytom network the address is associated with is extracted if possible.
+// When the address does not encode the network, such as in the case of a raw
+// public key, the address will be associated with the passed defaultNet.
+func DecodeAddress(addr string, param *consensus.Params) (Address, error) {
+ // Bech32 encoded segwit addresses start with a human-readable part
+ // (hrp) followed by '1'. For Bytom mainnet the hrp is "bm", and for
+ // testnet it is "tm". If the address string has a prefix that matches
+ // one of the prefixes for the known networks, we try to decode it as
+ // a segwit address.
+ oneIndex := strings.LastIndexByte(addr, '1')
+ if oneIndex > 1 {
+ prefix := addr[:oneIndex+1]
+ if consensus.IsBech32SegwitPrefix(prefix, param) {
+ witnessVer, witnessProg, err := decodeSegWitAddress(addr)
+ if err != nil {
+ return nil, err
+ }
+
+ // We currently only support P2WPKH and P2WSH, which is
+ // witness version 0.
+ if witnessVer != 0 {
+ return nil, ErrUnsupportedWitnessVer
+ }
+
+ // The HRP is everything before the found '1'.
+ hrp := prefix[:len(prefix)-1]
+
+ switch len(witnessProg) {
+ case 20:
+ return newAddressWitnessPubKeyHash(hrp, witnessProg)
+ case 32:
+ return newAddressWitnessScriptHash(hrp, witnessProg)
+ default:
+ return nil, ErrUnsupportedWitnessProgLen
+ }
+ }
+ }
+ return nil, ErrUnknownAddressType
+}
+
+// decodeSegWitAddress parses a bech32 encoded segwit address string and
+// returns the witness version and witness program byte representation.
+func decodeSegWitAddress(address string) (byte, []byte, error) {
+ // Decode the bech32 encoded address.
+ _, data, err := bech32.Bech32Decode(address)
+ if err != nil {
+ return 0, nil, err
+ }
+
+ // The first byte of the decoded address is the witness version, it must
+ // exist.
+ if len(data) < 1 {
+ return 0, nil, fmt.Errorf("no witness version")
+ }
+
+ // ...and be <= 16.
+ version := data[0]
+ if version > 16 {
+ return 0, nil, fmt.Errorf("invalid witness version: %v", version)
+ }
+
+ // The remaining characters of the address returned are grouped into
+ // words of 5 bits. In order to restore the original witness program
+ // bytes, we'll need to regroup into 8 bit words.
+ regrouped, err := bech32.ConvertBits(data[1:], 5, 8, false)
+ if err != nil {
+ return 0, nil, err
+ }
+
+ // The regrouped data must be between 2 and 40 bytes.
+ if len(regrouped) < 2 || len(regrouped) > 40 {
+ return 0, nil, fmt.Errorf("invalid data length")
+ }
+
+ // For witness version 0, address MUST be exactly 20 or 32 bytes.
+ if version == 0 && len(regrouped) != 20 && len(regrouped) != 32 {
+ return 0, nil, fmt.Errorf("invalid data length for witness "+
+ "version 0: %v", len(regrouped))
+ }
+
+ return version, regrouped, nil
+}
+
+// AddressWitnessPubKeyHash is an Address for a pay-to-witness-pubkey-hash
+// (P2WPKH) output. See BIP 173 for further details regarding native segregated
+// witness address encoding:
+// https://github.com/bitcoin/bips/blob/master/bip-0173.mediawiki
+type AddressWitnessPubKeyHash struct {
+ hrp string
+ witnessVersion byte
+ witnessProgram [20]byte
+}
+
+// NewAddressWitnessPubKeyHash returns a new AddressWitnessPubKeyHash.
+func NewAddressWitnessPubKeyHash(witnessProg []byte, param *consensus.Params) (*AddressWitnessPubKeyHash, error) {
+ return newAddressWitnessPubKeyHash(param.Bech32HRPSegwit, witnessProg)
+}
+
+// newAddressWitnessPubKeyHash is an internal helper function to create an
+// AddressWitnessPubKeyHash with a known human-readable part, rather than
+// looking it up through its parameters.
+func newAddressWitnessPubKeyHash(hrp string, witnessProg []byte) (*AddressWitnessPubKeyHash, error) {
+ // Check for valid program length for witness version 0, which is 20
+ // for P2WPKH.
+ if len(witnessProg) != 20 {
+ return nil, errors.New("witness program must be 20 bytes for p2wpkh")
+ }
+
+ addr := &AddressWitnessPubKeyHash{
+ hrp: strings.ToLower(hrp),
+ witnessVersion: 0x00,
+ }
+
+ copy(addr.witnessProgram[:], witnessProg)
+
+ return addr, nil
+}
+
+// EncodeAddress returns the bech32 string encoding of an
+// AddressWitnessPubKeyHash.
+// Part of the Address interface.
+func (a *AddressWitnessPubKeyHash) EncodeAddress() string {
+ str, err := encodeSegWitAddress(a.hrp, a.witnessVersion,
+ a.witnessProgram[:])
+ if err != nil {
+ return ""
+ }
+ return str
+}
+
+// ScriptAddress returns the witness program for this address.
+// Part of the Address interface.
+func (a *AddressWitnessPubKeyHash) ScriptAddress() []byte {
+ return a.witnessProgram[:]
+}
+
+// IsForNet returns whether or not the AddressWitnessPubKeyHash is associated
+// with the passed bitcoin network.
+// Part of the Address interface.
+func (a *AddressWitnessPubKeyHash) IsForNet(param *consensus.Params) bool {
+ return a.hrp == param.Bech32HRPSegwit
+}
+
+// String returns a human-readable string for the AddressWitnessPubKeyHash.
+// This is equivalent to calling EncodeAddress, but is provided so the type
+// can be used as a fmt.Stringer.
+// Part of the Address interface.
+func (a *AddressWitnessPubKeyHash) String() string {
+ return a.EncodeAddress()
+}
+
+// Hrp returns the human-readable part of the bech32 encoded
+// AddressWitnessPubKeyHash.
+func (a *AddressWitnessPubKeyHash) Hrp() string {
+ return a.hrp
+}
+
+// WitnessVersion returns the witness version of the AddressWitnessPubKeyHash.
+func (a *AddressWitnessPubKeyHash) WitnessVersion() byte {
+ return a.witnessVersion
+}
+
+// WitnessProgram returns the witness program of the AddressWitnessPubKeyHash.
+func (a *AddressWitnessPubKeyHash) WitnessProgram() []byte {
+ return a.witnessProgram[:]
+}
+
+// Hash160 returns the witness program of the AddressWitnessPubKeyHash as a
+// byte array.
+func (a *AddressWitnessPubKeyHash) Hash160() *[20]byte {
+ return &a.witnessProgram
+}
+
+// AddressWitnessScriptHash is an Address for a pay-to-witness-script-hash
+// (P2WSH) output. See BIP 173 for further details regarding native segregated
+// witness address encoding:
+// https://github.com/bitcoin/bips/blob/master/bip-0173.mediawiki
+type AddressWitnessScriptHash struct {
+ hrp string
+ witnessVersion byte
+ witnessProgram [32]byte
+}
+
+// NewAddressWitnessScriptHash returns a new AddressWitnessPubKeyHash.
+func NewAddressWitnessScriptHash(witnessProg []byte, param *consensus.Params) (*AddressWitnessScriptHash, error) {
+ return newAddressWitnessScriptHash(param.Bech32HRPSegwit, witnessProg)
+}
+
+// newAddressWitnessScriptHash is an internal helper function to create an
+// AddressWitnessScriptHash with a known human-readable part, rather than
+// looking it up through its parameters.
+func newAddressWitnessScriptHash(hrp string, witnessProg []byte) (*AddressWitnessScriptHash, error) {
+ // Check for valid program length for witness version 0, which is 32
+ // for P2WSH.
+ if len(witnessProg) != 32 {
+ return nil, errors.New("witness program must be 32 bytes for p2wsh")
+ }
+
+ addr := &AddressWitnessScriptHash{
+ hrp: strings.ToLower(hrp),
+ witnessVersion: 0x00,
+ }
+
+ copy(addr.witnessProgram[:], witnessProg)
+
+ return addr, nil
+}
+
+// EncodeAddress returns the bech32 string encoding of an
+// AddressWitnessScriptHash.
+// Part of the Address interface.
+func (a *AddressWitnessScriptHash) EncodeAddress() string {
+ str, err := encodeSegWitAddress(a.hrp, a.witnessVersion,
+ a.witnessProgram[:])
+ if err != nil {
+ return ""
+ }
+ return str
+}
+
+// ScriptAddress returns the witness program for this address.
+// Part of the Address interface.
+func (a *AddressWitnessScriptHash) ScriptAddress() []byte {
+ return a.witnessProgram[:]
+}
+
+// IsForNet returns whether or not the AddressWitnessScriptHash is associated
+// with the passed bytom network.
+// Part of the Address interface.
+func (a *AddressWitnessScriptHash) IsForNet(param *consensus.Params) bool {
+ return a.hrp == param.Bech32HRPSegwit
+}
+
+// String returns a human-readable string for the AddressWitnessScriptHash.
+// This is equivalent to calling EncodeAddress, but is provided so the type
+// can be used as a fmt.Stringer.
+// Part of the Address interface.
+func (a *AddressWitnessScriptHash) String() string {
+ return a.EncodeAddress()
+}
+
+// Hrp returns the human-readable part of the bech32 encoded
+// AddressWitnessScriptHash.
+func (a *AddressWitnessScriptHash) Hrp() string {
+ return a.hrp
+}
+
+// WitnessVersion returns the witness version of the AddressWitnessScriptHash.
+func (a *AddressWitnessScriptHash) WitnessVersion() byte {
+ return a.witnessVersion
+}
+
+// WitnessProgram returns the witness program of the AddressWitnessScriptHash.
+func (a *AddressWitnessScriptHash) WitnessProgram() []byte {
+ return a.witnessProgram[:]
+}
+
+// Sha256 returns the witness program of the AddressWitnessPubKeyHash as a
+// byte array.
+func (a *AddressWitnessScriptHash) Sha256() *[32]byte {
+ return &a.witnessProgram
+}
diff --git a/vendor/github.com/bytom/common/address_test.go b/vendor/github.com/bytom/common/address_test.go
new file mode 100644
index 00000000..918d6c61
--- /dev/null
+++ b/vendor/github.com/bytom/common/address_test.go
@@ -0,0 +1,382 @@
+package common
+
+import (
+ "bytes"
+ "fmt"
+ "reflect"
+ "strings"
+ "testing"
+
+ "github.com/bytom/common/bech32"
+ "github.com/bytom/consensus"
+)
+
+func TestAddresses(t *testing.T) {
+ tests := []struct {
+ name string
+ addr string
+ encoded string
+ valid bool
+ result Address
+ f func() (Address, error)
+ net *consensus.Params
+ }{
+ // Segwit address tests.
+ {
+ name: "segwit mainnet p2wpkh v0",
+ addr: "BM1QW508D6QEJXTDG4Y5R3ZARVARY0C5XW7K23GYYF",
+ encoded: "bm1qw508d6qejxtdg4y5r3zarvary0c5xw7k23gyyf",
+ valid: true,
+ result: tstAddressWitnessPubKeyHash(
+ 0,
+ [20]byte{
+ 0x75, 0x1e, 0x76, 0xe8, 0x19, 0x91, 0x96, 0xd4, 0x54, 0x94,
+ 0x1c, 0x45, 0xd1, 0xb3, 0xa3, 0x23, 0xf1, 0x43, 0x3b, 0xd6},
+ consensus.MainNetParams.Bech32HRPSegwit),
+ f: func() (Address, error) {
+ pkHash := []byte{
+ 0x75, 0x1e, 0x76, 0xe8, 0x19, 0x91, 0x96, 0xd4, 0x54, 0x94,
+ 0x1c, 0x45, 0xd1, 0xb3, 0xa3, 0x23, 0xf1, 0x43, 0x3b, 0xd6}
+ return NewAddressWitnessPubKeyHash(pkHash, &consensus.MainNetParams)
+ },
+ net: &consensus.MainNetParams,
+ },
+ {
+ name: "segwit mainnet p2wsh v0",
+ addr: "bm1qrp33g0q5c5txsp9arysrx4k6zdkfs4nce4xj0gdcccefvpysxf3qk5egtg",
+ encoded: "bm1qrp33g0q5c5txsp9arysrx4k6zdkfs4nce4xj0gdcccefvpysxf3qk5egtg",
+ valid: true,
+ result: tstAddressWitnessScriptHash(
+ 0,
+ [32]byte{
+ 0x18, 0x63, 0x14, 0x3c, 0x14, 0xc5, 0x16, 0x68,
+ 0x04, 0xbd, 0x19, 0x20, 0x33, 0x56, 0xda, 0x13,
+ 0x6c, 0x98, 0x56, 0x78, 0xcd, 0x4d, 0x27, 0xa1,
+ 0xb8, 0xc6, 0x32, 0x96, 0x04, 0x90, 0x32, 0x62},
+ consensus.MainNetParams.Bech32HRPSegwit),
+ f: func() (Address, error) {
+ scriptHash := []byte{
+ 0x18, 0x63, 0x14, 0x3c, 0x14, 0xc5, 0x16, 0x68,
+ 0x04, 0xbd, 0x19, 0x20, 0x33, 0x56, 0xda, 0x13,
+ 0x6c, 0x98, 0x56, 0x78, 0xcd, 0x4d, 0x27, 0xa1,
+ 0xb8, 0xc6, 0x32, 0x96, 0x04, 0x90, 0x32, 0x62}
+ return NewAddressWitnessScriptHash(scriptHash, &consensus.MainNetParams)
+ },
+ net: &consensus.MainNetParams,
+ },
+ {
+ name: "segwit testnet p2wpkh v0",
+ addr: "tm1qw508d6qejxtdg4y5r3zarvary0c5xw7kw8fqyc",
+ encoded: "tm1qw508d6qejxtdg4y5r3zarvary0c5xw7kw8fqyc",
+ valid: true,
+ result: tstAddressWitnessPubKeyHash(
+ 0,
+ [20]byte{
+ 0x75, 0x1e, 0x76, 0xe8, 0x19, 0x91, 0x96, 0xd4, 0x54, 0x94,
+ 0x1c, 0x45, 0xd1, 0xb3, 0xa3, 0x23, 0xf1, 0x43, 0x3b, 0xd6},
+ consensus.TestNetParams.Bech32HRPSegwit),
+ f: func() (Address, error) {
+ pkHash := []byte{
+ 0x75, 0x1e, 0x76, 0xe8, 0x19, 0x91, 0x96, 0xd4, 0x54, 0x94,
+ 0x1c, 0x45, 0xd1, 0xb3, 0xa3, 0x23, 0xf1, 0x43, 0x3b, 0xd6}
+ return NewAddressWitnessPubKeyHash(pkHash, &consensus.TestNetParams)
+ },
+ net: &consensus.TestNetParams,
+ },
+ {
+ name: "segwit testnet p2wsh v0",
+ addr: "tm1qrp33g0q5c5txsp9arysrx4k6zdkfs4nce4xj0gdcccefvpysxf3qqq379v",
+ encoded: "tm1qrp33g0q5c5txsp9arysrx4k6zdkfs4nce4xj0gdcccefvpysxf3qqq379v",
+ valid: true,
+ result: tstAddressWitnessScriptHash(
+ 0,
+ [32]byte{
+ 0x18, 0x63, 0x14, 0x3c, 0x14, 0xc5, 0x16, 0x68,
+ 0x04, 0xbd, 0x19, 0x20, 0x33, 0x56, 0xda, 0x13,
+ 0x6c, 0x98, 0x56, 0x78, 0xcd, 0x4d, 0x27, 0xa1,
+ 0xb8, 0xc6, 0x32, 0x96, 0x04, 0x90, 0x32, 0x62},
+ consensus.TestNetParams.Bech32HRPSegwit),
+ f: func() (Address, error) {
+ scriptHash := []byte{
+ 0x18, 0x63, 0x14, 0x3c, 0x14, 0xc5, 0x16, 0x68,
+ 0x04, 0xbd, 0x19, 0x20, 0x33, 0x56, 0xda, 0x13,
+ 0x6c, 0x98, 0x56, 0x78, 0xcd, 0x4d, 0x27, 0xa1,
+ 0xb8, 0xc6, 0x32, 0x96, 0x04, 0x90, 0x32, 0x62}
+ return NewAddressWitnessScriptHash(scriptHash, &consensus.TestNetParams)
+ },
+ net: &consensus.TestNetParams,
+ },
+ {
+ name: "segwit testnet p2wsh witness v0",
+ addr: "tm1qqqqqp399et2xygdj5xreqhjjvcmzhxw4aywxecjdzew6hylgvsesvkesyk",
+ encoded: "tm1qqqqqp399et2xygdj5xreqhjjvcmzhxw4aywxecjdzew6hylgvsesvkesyk",
+ valid: true,
+ result: tstAddressWitnessScriptHash(
+ 0,
+ [32]byte{
+ 0x00, 0x00, 0x00, 0xc4, 0xa5, 0xca, 0xd4, 0x62,
+ 0x21, 0xb2, 0xa1, 0x87, 0x90, 0x5e, 0x52, 0x66,
+ 0x36, 0x2b, 0x99, 0xd5, 0xe9, 0x1c, 0x6c, 0xe2,
+ 0x4d, 0x16, 0x5d, 0xab, 0x93, 0xe8, 0x64, 0x33},
+ consensus.TestNetParams.Bech32HRPSegwit),
+ f: func() (Address, error) {
+ scriptHash := []byte{
+ 0x00, 0x00, 0x00, 0xc4, 0xa5, 0xca, 0xd4, 0x62,
+ 0x21, 0xb2, 0xa1, 0x87, 0x90, 0x5e, 0x52, 0x66,
+ 0x36, 0x2b, 0x99, 0xd5, 0xe9, 0x1c, 0x6c, 0xe2,
+ 0x4d, 0x16, 0x5d, 0xab, 0x93, 0xe8, 0x64, 0x33}
+ return NewAddressWitnessScriptHash(scriptHash, &consensus.TestNetParams)
+ },
+ net: &consensus.TestNetParams,
+ },
+ // Unsupported witness versions (version 0 only supported at this point)
+ {
+ name: "segwit mainnet witness v1",
+ addr: "bm1pw508d6qejxtdg4y5r3zarvary0c5xw7kw508d6qejxtdg4y5r3zarvary0c5xw7k7grplx",
+ valid: false,
+ net: &consensus.MainNetParams,
+ },
+ {
+ name: "segwit mainnet witness v16",
+ addr: "BM1SW50QA3JX3S",
+ valid: false,
+ net: &consensus.MainNetParams,
+ },
+ {
+ name: "segwit mainnet witness v2",
+ addr: "bm1zw508d6qejxtdg4y5r3zarvaryvg6kdaj",
+ valid: false,
+ net: &consensus.MainNetParams,
+ },
+ // Invalid segwit addresses
+ {
+ name: "segwit invalid hrp",
+ addr: "tc1qw508d6qejxtdg4y5r3zarvary0c5xw7kg3g4ty",
+ valid: false,
+ net: &consensus.TestNetParams,
+ },
+ {
+ name: "segwit invalid checksum",
+ addr: "bm1qw508d6qejxtdg4y5r3zarvary0c5xw7kv8f3t5",
+ valid: false,
+ net: &consensus.MainNetParams,
+ },
+ {
+ name: "segwit invalid witness version",
+ addr: "BM13W508D6QEJXTDG4Y5R3ZARVARY0C5XW7KN40WF2",
+ valid: false,
+ net: &consensus.MainNetParams,
+ },
+ {
+ name: "segwit invalid program length",
+ addr: "bm1rw5uspcuh",
+ valid: false,
+ net: &consensus.MainNetParams,
+ },
+ {
+ name: "segwit invalid program length",
+ addr: "bm10w508d6qejxtdg4y5r3zarvary0c5xw7kw508d6qejxtdg4y5r3zarvary0c5xw7kw5rljs90",
+ valid: false,
+ net: &consensus.MainNetParams,
+ },
+ {
+ name: "segwit invalid program length for witness version 0 (per BIP141)",
+ addr: "BM1QR508D6QEJXTDG4Y5R3ZARVARYV98GJ9P",
+ valid: false,
+ net: &consensus.MainNetParams,
+ },
+ {
+ name: "segwit mixed case",
+ addr: "tm1qrp33g0q5c5txsp9arysrx4k6zdkfs4nce4xj0gdcccefvpysxf3q0sL5k7",
+ valid: false,
+ net: &consensus.TestNetParams,
+ },
+ {
+ name: "segwit zero padding of more than 4 bits",
+ addr: "tm1pw508d6qejxtdg4y5r3zarqfsj6c3",
+ valid: false,
+ net: &consensus.TestNetParams,
+ },
+ {
+ name: "segwit non-zero padding in 8-to-5 conversion",
+ addr: "tm1qrp33g0q5c5txsp9arysrx4k6zdkfs4nce4xj0gdcccefvpysxf3pjxtptv",
+ valid: false,
+ net: &consensus.TestNetParams,
+ },
+ }
+
+ for _, test := range tests {
+ // Decode addr and compare error against valid.
+ decoded, err := DecodeAddress(test.addr, test.net)
+ if (err == nil) != test.valid {
+ t.Errorf("%v: decoding test failed: %v", test.name, err)
+ return
+ }
+
+ if err == nil {
+ // Ensure the stringer returns the same address as the
+ // original.
+
+ if decodedStringer, ok := decoded.(fmt.Stringer); ok {
+ addr := test.addr
+
+ // For Segwit addresses the string representation
+ // will always be lower case, so in that case we
+ // convert the original to lower case first.
+ if strings.Contains(test.name, "segwit") {
+ addr = strings.ToLower(addr)
+ }
+
+ if addr != decodedStringer.String() {
+ t.Errorf("%v: String on decoded value does not match expected value: %v != %v",
+ test.name, test.addr, decodedStringer.String())
+ return
+ }
+
+ }
+
+ // Encode again and compare against the original.
+ encoded := decoded.EncodeAddress()
+ if test.encoded != encoded {
+ t.Errorf("%v: decoding and encoding produced different addressess: %v != %v",
+ test.name, test.encoded, encoded)
+ return
+ }
+
+ // Perform type-specific calculations.
+ var saddr []byte
+ switch decoded.(type) {
+
+ case *AddressWitnessPubKeyHash:
+ saddr = tstAddressSegwitSAddr(encoded)
+ case *AddressWitnessScriptHash:
+ saddr = tstAddressSegwitSAddr(encoded)
+ }
+
+ // Check script address, as well as the Hash160 method for P2PKH and
+ // P2SH addresses.
+ if !bytes.Equal(saddr, decoded.ScriptAddress()) {
+ t.Errorf("%v: script addresses do not match:\n%x != \n%x",
+ test.name, saddr, decoded.ScriptAddress())
+ return
+ }
+ switch a := decoded.(type) {
+
+ case *AddressWitnessPubKeyHash:
+ if hrp := a.Hrp(); test.net.Bech32HRPSegwit != hrp {
+ t.Errorf("%v: hrps do not match:\n%x != \n%x",
+ test.name, test.net.Bech32HRPSegwit, hrp)
+ return
+ }
+
+ expVer := test.result.(*AddressWitnessPubKeyHash).WitnessVersion()
+ if v := a.WitnessVersion(); v != expVer {
+ t.Errorf("%v: witness versions do not match:\n%x != \n%x",
+ test.name, expVer, v)
+ return
+ }
+
+ if p := a.WitnessProgram(); !bytes.Equal(saddr, p) {
+ t.Errorf("%v: witness programs do not match:\n%x != \n%x",
+ test.name, saddr, p)
+ return
+ }
+
+ case *AddressWitnessScriptHash:
+ if hrp := a.Hrp(); test.net.Bech32HRPSegwit != hrp {
+ t.Errorf("%v: hrps do not match:\n%x != \n%x",
+ test.name, test.net.Bech32HRPSegwit, hrp)
+ return
+ }
+
+ expVer := test.result.(*AddressWitnessScriptHash).WitnessVersion()
+ if v := a.WitnessVersion(); v != expVer {
+ t.Errorf("%v: witness versions do not match:\n%x != \n%x",
+ test.name, expVer, v)
+ return
+ }
+
+ if p := a.WitnessProgram(); !bytes.Equal(saddr, p) {
+ t.Errorf("%v: witness programs do not match:\n%x != \n%x",
+ test.name, saddr, p)
+ return
+ }
+ }
+
+ // Ensure the address is for the expected network.
+ if !decoded.IsForNet(test.net) {
+ t.Errorf("%v: calculated network does not match expected",
+ test.name)
+ return
+ }
+ }
+
+ if !test.valid {
+ // If address is invalid, but a creation function exists,
+ // verify that it returns a nil addr and non-nil error.
+ if test.f != nil {
+ _, err := test.f()
+ if err == nil {
+ t.Errorf("%v: address is invalid but creating new address succeeded",
+ test.name)
+ return
+ }
+ }
+ continue
+ }
+
+ // Valid test, compare address created with f against expected result.
+ addr, err := test.f()
+ if err != nil {
+ t.Errorf("%v: address is valid but creating new address failed with error %v",
+ test.name, err)
+ return
+ }
+
+ if !reflect.DeepEqual(addr, test.result) {
+ t.Errorf("%v: created address does not match expected result",
+ test.name)
+ return
+ }
+ }
+}
+
+// TstAddressWitnessPubKeyHash creates an AddressWitnessPubKeyHash, initiating
+// the fields as given.
+func tstAddressWitnessPubKeyHash(version byte, program [20]byte,
+ hrp string) *AddressWitnessPubKeyHash {
+
+ return &AddressWitnessPubKeyHash{
+ hrp: hrp,
+ witnessVersion: version,
+ witnessProgram: program,
+ }
+}
+
+// TstAddressWitnessScriptHash creates an AddressWitnessScriptHash, initiating
+// the fields as given.
+func tstAddressWitnessScriptHash(version byte, program [32]byte,
+ hrp string) *AddressWitnessScriptHash {
+
+ return &AddressWitnessScriptHash{
+ hrp: hrp,
+ witnessVersion: version,
+ witnessProgram: program,
+ }
+}
+
+// TstAddressSegwitSAddr returns the expected witness program bytes for
+// bech32 encoded P2WPKH and P2WSH bitcoin addresses.
+func tstAddressSegwitSAddr(addr string) []byte {
+ _, data, err := bech32.Bech32Decode(addr)
+ if err != nil {
+ return []byte{}
+ }
+
+ // First byte is version, rest is base 32 encoded data.
+ data, err = bech32.ConvertBits(data[1:], 5, 8, false)
+ if err != nil {
+ return []byte{}
+ }
+ return data
+}
diff --git a/vendor/github.com/bytom/common/bech32/bech32.go b/vendor/github.com/bytom/common/bech32/bech32.go
new file mode 100644
index 00000000..dc0c84ff
--- /dev/null
+++ b/vendor/github.com/bytom/common/bech32/bech32.go
@@ -0,0 +1,248 @@
+package bech32
+
+import (
+ "fmt"
+ "strings"
+)
+
+const charset = "qpzry9x8gf2tvdw0s3jn54khce6mua7l"
+
+var gen = []int{0x3b6a57b2, 0x26508e6d, 0x1ea119fa, 0x3d4233dd, 0x2a1462b3}
+
+// Decode decodes a bech32 encoded string, returning the human-readable
+// part and the data part excluding the checksum.
+func Bech32Decode(bech string) (string, []byte, error) {
+ // The maximum allowed length for a bech32 string is 90. It must also
+ // be at least 8 characters, since it needs a non-empty HRP, a
+ // separator, and a 6 character checksum.
+ if len(bech) < 8 || len(bech) > 90 {
+ return "", nil, fmt.Errorf("invalid bech32 string length %d",
+ len(bech))
+ }
+ // Only ASCII characters between 33 and 126 are allowed.
+ for i := 0; i < len(bech); i++ {
+ if bech[i] < 33 || bech[i] > 126 {
+ return "", nil, fmt.Errorf("invalid character in "+
+ "string: '%c'", bech[i])
+ }
+ }
+
+ // The characters must be either all lowercase or all uppercase.
+ lower := strings.ToLower(bech)
+ upper := strings.ToUpper(bech)
+ if bech != lower && bech != upper {
+ return "", nil, fmt.Errorf("string not all lowercase or all " +
+ "uppercase")
+ }
+
+ // We'll work with the lowercase string from now on.
+ bech = lower
+
+ // The string is invalid if the last '1' is non-existent, it is the
+ // first character of the string (no human-readable part) or one of the
+ // last 6 characters of the string (since checksum cannot contain '1'),
+ // or if the string is more than 90 characters in total.
+ one := strings.LastIndexByte(bech, '1')
+ if one < 1 || one+7 > len(bech) {
+ return "", nil, fmt.Errorf("invalid index of 1")
+ }
+
+ // The human-readable part is everything before the last '1'.
+ hrp := bech[:one]
+ data := bech[one+1:]
+
+ // Each character corresponds to the byte with value of the index in
+ // 'charset'.
+ decoded, err := toBytes(data)
+ if err != nil {
+ return "", nil, fmt.Errorf("failed converting data to bytes: "+
+ "%v", err)
+ }
+
+ if !bech32VerifyChecksum(hrp, decoded) {
+ moreInfo := ""
+ checksum := bech[len(bech)-6:]
+ expected, err := toChars(bech32Checksum(hrp,
+ decoded[:len(decoded)-6]))
+ if err == nil {
+ moreInfo = fmt.Sprintf("Expected %v, got %v.",
+ expected, checksum)
+ }
+ return "", nil, fmt.Errorf("checksum failed. " + moreInfo)
+ }
+
+ // We exclude the last 6 bytes, which is the checksum.
+ return hrp, decoded[:len(decoded)-6], nil
+}
+
+// Encode encodes a byte slice into a bech32 string with the
+// human-readable part hrb. Note that the bytes must each encode 5 bits
+// (base32).
+func Bech32Encode(hrp string, data []byte) (string, error) {
+ // Calculate the checksum of the data and append it at the end.
+ checksum := bech32Checksum(hrp, data)
+ combined := append(data, checksum...)
+
+ // The resulting bech32 string is the concatenation of the hrp, the
+ // separator 1, data and checksum. Everything after the separator is
+ // represented using the specified charset.
+ dataChars, err := toChars(combined)
+ if err != nil {
+ return "", fmt.Errorf("unable to convert data bytes to chars: "+
+ "%v", err)
+ }
+ return hrp + "1" + dataChars, nil
+}
+
+// toBytes converts each character in the string 'chars' to the value of the
+// index of the correspoding character in 'charset'.
+func toBytes(chars string) ([]byte, error) {
+ decoded := make([]byte, 0, len(chars))
+ for i := 0; i < len(chars); i++ {
+ index := strings.IndexByte(charset, chars[i])
+ if index < 0 {
+ return nil, fmt.Errorf("invalid character not part of "+
+ "charset: %v", chars[i])
+ }
+ decoded = append(decoded, byte(index))
+ }
+ return decoded, nil
+}
+
+// toChars converts the byte slice 'data' to a string where each byte in 'data'
+// encodes the index of a character in 'charset'.
+func toChars(data []byte) (string, error) {
+ result := make([]byte, 0, len(data))
+ for _, b := range data {
+ if int(b) >= len(charset) {
+ return "", fmt.Errorf("invalid data byte: %v", b)
+ }
+ result = append(result, charset[b])
+ }
+ return string(result), nil
+}
+
+// ConvertBits converts a byte slice where each byte is encoding fromBits bits,
+// to a byte slice where each byte is encoding toBits bits.
+func ConvertBits(data []byte, fromBits, toBits uint8, pad bool) ([]byte, error) {
+ if fromBits < 1 || fromBits > 8 || toBits < 1 || toBits > 8 {
+ return nil, fmt.Errorf("only bit groups between 1 and 8 allowed")
+ }
+
+ // The final bytes, each byte encoding toBits bits.
+ var regrouped []byte
+
+ // Keep track of the next byte we create and how many bits we have
+ //Â added to it out of the toBits goal.
+ nextByte := byte(0)
+ filledBits := uint8(0)
+
+ for _, b := range data {
+
+ // Discard unused bits.
+ b = b << (8 - fromBits)
+
+ // How many bits remaining to extract from the input data.
+ remFromBits := fromBits
+ for remFromBits > 0 {
+ // How many bits remaining to be added to the next byte.
+ remToBits := toBits - filledBits
+
+ // The number of bytes to next extract is the minimum of
+ // remFromBits and remToBits.
+ toExtract := remFromBits
+ if remToBits < toExtract {
+ toExtract = remToBits
+ }
+
+ // Add the next bits to nextByte, shifting the already
+ // added bits to the left.
+ nextByte = (nextByte << toExtract) | (b >> (8 - toExtract))
+
+ // Discard the bits we just extracted and get ready for
+ // next iteration.
+ b = b << toExtract
+ remFromBits -= toExtract
+ filledBits += toExtract
+
+ // If the nextByte is completely filled, we add it to
+ //Â our regrouped bytes and start on the next byte.
+ if filledBits == toBits {
+ regrouped = append(regrouped, nextByte)
+ filledBits = 0
+ nextByte = 0
+ }
+ }
+ }
+
+ // We pad any unfinished group if specified.
+ if pad && filledBits > 0 {
+ nextByte = nextByte << (toBits - filledBits)
+ regrouped = append(regrouped, nextByte)
+ filledBits = 0
+ nextByte = 0
+ }
+
+ // Any incomplete group must be <= 4 bits, and all zeroes.
+ if filledBits > 0 && (filledBits > 4 || nextByte != 0) {
+ return nil, fmt.Errorf("invalid incomplete group")
+ }
+
+ return regrouped, nil
+}
+
+// For more details on the checksum calculation, please refer to BIP 173.
+func bech32Checksum(hrp string, data []byte) []byte {
+ // Convert the bytes to list of integers, as this is needed for the
+ // checksum calculation.
+ integers := make([]int, len(data))
+ for i, b := range data {
+ integers[i] = int(b)
+ }
+ values := append(bech32HrpExpand(hrp), integers...)
+ values = append(values, []int{0, 0, 0, 0, 0, 0}...)
+ polymod := bech32Polymod(values) ^ 1
+ var res []byte
+ for i := 0; i < 6; i++ {
+ res = append(res, byte((polymod>>uint(5*(5-i)))&31))
+ }
+ return res
+}
+
+// For more details on the polymod calculation, please refer to BIP 173.
+func bech32Polymod(values []int) int {
+ chk := 1
+ for _, v := range values {
+ b := chk >> 25
+ chk = (chk&0x1ffffff)<<5 ^ v
+ for i := 0; i < 5; i++ {
+ if (b>>uint(i))&1 == 1 {
+ chk ^= gen[i]
+ }
+ }
+ }
+ return chk
+}
+
+// For more details on HRP expansion, please refer to BIP 173.
+func bech32HrpExpand(hrp string) []int {
+ v := make([]int, 0, len(hrp)*2+1)
+ for i := 0; i < len(hrp); i++ {
+ v = append(v, int(hrp[i]>>5))
+ }
+ v = append(v, 0)
+ for i := 0; i < len(hrp); i++ {
+ v = append(v, int(hrp[i]&31))
+ }
+ return v
+}
+
+// For more details on the checksum verification, please refer to BIP 173.
+func bech32VerifyChecksum(hrp string, data []byte) bool {
+ integers := make([]int, len(data))
+ for i, b := range data {
+ integers[i] = int(b)
+ }
+ concat := append(bech32HrpExpand(hrp), integers...)
+ return bech32Polymod(concat) == 1
+}
diff --git a/vendor/github.com/bytom/common/bech32/bech32_test.go b/vendor/github.com/bytom/common/bech32/bech32_test.go
new file mode 100644
index 00000000..da9beb83
--- /dev/null
+++ b/vendor/github.com/bytom/common/bech32/bech32_test.go
@@ -0,0 +1,63 @@
+package bech32
+
+import (
+ "strings"
+ "testing"
+)
+
+func TestBech32(t *testing.T) {
+ tests := []struct {
+ str string
+ valid bool
+ }{
+ {"A12UEL5L", true},
+ {"an83characterlonghumanreadablepartthatcontainsthenumber1andtheexcludedcharactersbio1tt5tgs", true},
+ {"abcdef1qpzry9x8gf2tvdw0s3jn54khce6mua7lmqqqxw", true},
+ {"11qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqc8247j", true},
+ {"split1checkupstagehandshakeupstreamerranterredcaperred2y9e3w", true},
+ {"split1checkupstagehandshakeupstreamerranterredcaperred2y9e2w", false}, // invalid checksum
+ {"s lit1checkupstagehandshakeupstreamerranterredcaperredp8hs2p", false}, // invalid character (space) in hrp
+ {"spl" + string(127) + "t1checkupstagehandshakeupstreamerranterredcaperred2y9e3w", false}, // invalid character (DEL) in hrp
+ {"split1cheo2y9e2w", false}, // invalid character (o) in data part
+ {"split1a2y9w", false}, // too short data part
+ {"1checkupstagehandshakeupstreamerranterredcaperred2y9e3w", false}, // empty hrp
+ {"11qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqsqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqc8247j", false}, // too long
+ }
+
+ for _, test := range tests {
+ str := test.str
+ hrp, decoded, err := Bech32Decode(str)
+ if !test.valid {
+ // Invalid string decoding should result in error.
+ if err == nil {
+ t.Error("expected decoding to fail for "+
+ "invalid string %v", test.str)
+ }
+ continue
+ }
+
+ // Valid string decoding should result in no error.
+ if err != nil {
+ t.Errorf("expected string to be valid bech32: %v", err)
+ }
+
+ // Check that it encodes to the same string
+ encoded, err := Bech32Encode(hrp, decoded)
+ if err != nil {
+ t.Errorf("encoding failed: %v", err)
+ }
+
+ if encoded != strings.ToLower(str) {
+ t.Errorf("expected data to encode to %v, but got %v",
+ str, encoded)
+ }
+
+ // Flip a bit in the string an make sure it is caught.
+ pos := strings.LastIndexAny(str, "1")
+ flipped := str[:pos+1] + string((str[pos+1] ^ 1)) + str[pos+2:]
+ _, _, err = Bech32Decode(flipped)
+ if err == nil {
+ t.Error("expected decoding to fail")
+ }
+ }
+}
diff --git a/vendor/github.com/bytom/common/bech32/doc.go b/vendor/github.com/bytom/common/bech32/doc.go
new file mode 100644
index 00000000..46a4e33d
--- /dev/null
+++ b/vendor/github.com/bytom/common/bech32/doc.go
@@ -0,0 +1,11 @@
+/*
+Package bech32 provides a Go implementation of the bech32 format specified in
+BIP 173.
+
+Bech32 strings consist of a human-readable part (hrp), followed by the
+separator 1, then a checksummed data part encoded using the 32 characters
+"qpzry9x8gf2tvdw0s3jn54khce6mua7l".
+
+More info: https://github.com/bitcoin/bips/blob/master/bip-0173.mediawiki
+*/
+package bech32
diff --git a/vendor/github.com/bytom/common/bech32/example_test.go b/vendor/github.com/bytom/common/bech32/example_test.go
new file mode 100644
index 00000000..4480a77f
--- /dev/null
+++ b/vendor/github.com/bytom/common/bech32/example_test.go
@@ -0,0 +1,43 @@
+package bech32
+
+import (
+ "encoding/hex"
+ "fmt"
+)
+
+// This example demonstrates how to decode a bech32 encoded string.
+func ExampleBech32Decode() {
+ encoded := "bc1pw508d6qejxtdg4y5r3zarvary0c5xw7kw508d6qejxtdg4y5r3zarvary0c5xw7k7grplx"
+ hrp, decoded, err := Bech32Decode(encoded)
+ if err != nil {
+ fmt.Println("Error:", err)
+ }
+
+ // Show the decoded data.
+ fmt.Println("Decoded human-readable part:", hrp)
+ fmt.Println("Decoded Data:", hex.EncodeToString(decoded))
+
+ // Output:
+ // Decoded human-readable part: bc
+ // Decoded Data: 010e140f070d1a001912060b0d081504140311021d030c1d03040f1814060e1e160e140f070d1a001912060b0d081504140311021d030c1d03040f1814060e1e16
+}
+
+// This example demonstrates how to encode data into a bech32 string.
+func ExampleBech23Encode() {
+ data := []byte("Test data")
+ // Convert test data to base32:
+ conv, err := ConvertBits(data, 8, 5, true)
+ if err != nil {
+ fmt.Println("Error:", err)
+ }
+ encoded, err := Bech32Encode("customHrp!11111q", conv)
+ if err != nil {
+ fmt.Println("Error:", err)
+ }
+
+ // Show the encoded data.
+ fmt.Println("Encoded Data:", encoded)
+
+ // Output:
+ // Encoded Data: customHrp!11111q123jhxapqv3shgcgumastr
+}
diff --git a/vendor/github.com/bytom/common/bytes.go b/vendor/github.com/bytom/common/bytes.go
new file mode 100644
index 00000000..db0cdc99
--- /dev/null
+++ b/vendor/github.com/bytom/common/bytes.go
@@ -0,0 +1,39 @@
+// Package common contains various helper functions.
+package common
+
+import (
+ "encoding/binary"
+ "encoding/hex"
+)
+
+func FromHex(s string) []byte {
+ if len(s) > 1 {
+ if s[0:2] == "0x" {
+ s = s[2:]
+ }
+ if len(s)%2 == 1 {
+ s = "0" + s
+ }
+ return Hex2Bytes(s)
+ }
+ return nil
+}
+
+func Bytes2Hex(d []byte) string {
+ return hex.EncodeToString(d)
+}
+
+func Hex2Bytes(str string) []byte {
+ h, _ := hex.DecodeString(str)
+ return h
+}
+
+func Unit64ToBytes(n uint64) []byte {
+ buf := make([]byte, 8)
+ binary.LittleEndian.PutUint64(buf, n)
+ return buf
+}
+
+func BytesToUnit64(b []byte) uint64 {
+ return binary.LittleEndian.Uint64(b)
+}
diff --git a/vendor/github.com/bytom/common/sort.go b/vendor/github.com/bytom/common/sort.go
new file mode 100644
index 00000000..a476c922
--- /dev/null
+++ b/vendor/github.com/bytom/common/sort.go
@@ -0,0 +1,23 @@
+package common
+
+// timeSorter implements sort.Interface to allow a slice of timestamps to
+// be sorted.
+type TimeSorter []uint64
+
+// Len returns the number of timestamps in the slice. It is part of the
+// sort.Interface implementation.
+func (s TimeSorter) Len() int {
+ return len(s)
+}
+
+// Swap swaps the timestamps at the passed indices. It is part of the
+// sort.Interface implementation.
+func (s TimeSorter) Swap(i, j int) {
+ s[i], s[j] = s[j], s[i]
+}
+
+// Less returns whether the timstamp with index i should sort before the
+// timestamp with index j. It is part of the sort.Interface implementation.
+func (s TimeSorter) Less(i, j int) bool {
+ return s[i] < s[j]
+}
diff --git a/vendor/github.com/bytom/common/types.go b/vendor/github.com/bytom/common/types.go
new file mode 100644
index 00000000..a6ac9faf
--- /dev/null
+++ b/vendor/github.com/bytom/common/types.go
@@ -0,0 +1,92 @@
+package common
+
+import (
+ _ "encoding/hex"
+ "encoding/json"
+ "errors"
+ "math/big"
+ "math/rand"
+ "reflect"
+ "strings"
+)
+
+const (
+ HashLength = 32
+ AddressLength = 42
+ PubkeyHashLength = 20
+)
+
+var hashJsonLengthErr = errors.New("common: unmarshalJSON failed: hash must be exactly 32 bytes")
+
+type (
+ Hash [HashLength]byte
+)
+
+func BytesToHash(b []byte) Hash {
+ var h Hash
+ h.SetBytes(b)
+ return h
+}
+
+func StringToHash(s string) Hash { return BytesToHash([]byte(s)) }
+func BigToHash(b *big.Int) Hash { return BytesToHash(b.Bytes()) }
+
+// Don't use the default 'String' method in case we want to overwrite
+
+// Get the string representation of the underlying hash
+func (h Hash) Str() string { return string(h[:]) }
+func (h Hash) Bytes() []byte { return h[:] }
+func (h Hash) Hex() string { return "0x" + Bytes2Hex(h[:]) }
+
+// UnmarshalJSON parses a hash in its hex from to a hash.
+func (h *Hash) UnmarshalJSON(input []byte) error {
+ length := len(input)
+ if length >= 2 && input[0] == '"' && input[length-1] == '"' {
+ input = input[1 : length-1]
+ }
+ // strip "0x" for length check
+ if len(input) > 1 && strings.ToLower(string(input[:2])) == "0x" {
+ input = input[2:]
+ }
+
+ // validate the length of the input hash
+ if len(input) != HashLength*2 {
+ return hashJsonLengthErr
+ }
+ h.SetBytes(FromHex(string(input)))
+ return nil
+}
+
+// Serialize given hash to JSON
+func (h Hash) MarshalJSON() ([]byte, error) {
+ return json.Marshal(h.Hex())
+}
+
+// Sets the hash to the value of b. If b is larger than len(h) it will panic
+func (h *Hash) SetBytes(b []byte) {
+ if len(b) > len(h) {
+ b = b[len(b)-HashLength:]
+ }
+
+ copy(h[HashLength-len(b):], b)
+}
+
+// Sets h to other
+func (h *Hash) Set(other Hash) {
+ for i, v := range other {
+ h[i] = v
+ }
+}
+
+// Generate implements testing/quick.Generator.
+func (h Hash) Generate(rand *rand.Rand, size int) reflect.Value {
+ m := rand.Intn(len(h))
+ for i := len(h) - 1; i > m; i-- {
+ h[i] = byte(rand.Uint32())
+ }
+ return reflect.ValueOf(h)
+}
+
+func EmptyHash(h Hash) bool {
+ return h == Hash{}
+}
diff --git a/vendor/github.com/bytom/common/types_test.go b/vendor/github.com/bytom/common/types_test.go
new file mode 100644
index 00000000..9742ab11
--- /dev/null
+++ b/vendor/github.com/bytom/common/types_test.go
@@ -0,0 +1,88 @@
+// Copyright 2015 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see .
+
+package common
+
+import (
+ //"math/big"
+ "testing"
+)
+
+func TestBytesConversion(t *testing.T) {
+ bytes := []byte{5}
+ hash := BytesToHash(bytes)
+
+ var exp Hash
+ exp[31] = 5
+
+ if hash != exp {
+ t.Errorf("expected %x got %x", exp, hash)
+ }
+}
+
+func TestHashJsonValidation(t *testing.T) {
+ var h Hash
+ var tests = []struct {
+ Prefix string
+ Size int
+ Error error
+ }{
+ {"", 2, hashJsonLengthErr},
+ {"", 62, hashJsonLengthErr},
+ {"", 66, hashJsonLengthErr},
+ {"", 65, hashJsonLengthErr},
+ {"0X", 64, nil},
+ {"0x", 64, nil},
+ {"0x", 62, hashJsonLengthErr},
+ }
+ for i, test := range tests {
+ if err := h.UnmarshalJSON(append([]byte(test.Prefix), make([]byte, test.Size)...)); err != test.Error {
+ t.Errorf("test #%d: error mismatch: have %v, want %v", i, err, test.Error)
+ }
+ }
+}
+
+/*
+func TestAddressUnmarshalJSON(t *testing.T) {
+ var a Address
+ var tests = []struct {
+ Input string
+ ShouldErr bool
+ Output *big.Int
+ }{
+ {"", true, nil},
+ {`""`, true, nil},
+ {`"0x"`, true, nil},
+ {`"0x00"`, true, nil},
+ {`"0xG000000000000000000000000000000000000000"`, true, nil},
+ {`"0x0000000000000000000000000000000000000000"`, false, big.NewInt(0)},
+ {`"0x0000000000000000000000000000000000000010"`, false, big.NewInt(16)},
+ }
+ for i, test := range tests {
+ err := a.UnmarshalJSON([]byte(test.Input))
+ if err != nil && !test.ShouldErr {
+ t.Errorf("test #%d: unexpected error: %v", i, err)
+ }
+ if err == nil {
+ if test.ShouldErr {
+ t.Errorf("test #%d: expected error, got none", i)
+ }
+ if a.Big().Cmp(test.Output) != 0 {
+ t.Errorf("test #%d: address mismatch: have %v, want %v", i, a.Big(), test.Output)
+ }
+ }
+ }
+}*/
diff --git a/vendor/github.com/bytom/consensus/general.go b/vendor/github.com/bytom/consensus/general.go
new file mode 100644
index 00000000..844fac53
--- /dev/null
+++ b/vendor/github.com/bytom/consensus/general.go
@@ -0,0 +1,163 @@
+package consensus
+
+import (
+ "encoding/binary"
+ "strings"
+
+ "github.com/bytom/protocol/bc"
+)
+
+//consensus variables
+const (
+ // Max gas that one block contains
+ MaxBlockGas = uint64(10000000)
+ VMGasRate = int64(200)
+ StorageGasRate = int64(1)
+ MaxGasAmount = int64(200000)
+ DefaultGasCredit = int64(30000)
+
+ //config parameter for coinbase reward
+ CoinbasePendingBlockNumber = uint64(100)
+ subsidyReductionInterval = uint64(840000)
+ baseSubsidy = uint64(41250000000)
+ InitialBlockSubsidy = uint64(140700041250000000)
+
+ // config for pow mining
+ BlocksPerRetarget = uint64(2016)
+ TargetSecondsPerBlock = uint64(150)
+ SeedPerRetarget = uint64(256)
+
+ // MaxTimeOffsetSeconds is the maximum number of seconds a block time is allowed to be ahead of the current time
+ MaxTimeOffsetSeconds = uint64(60 * 60)
+ MedianTimeBlocks = 11
+
+ PayToWitnessPubKeyHashDataSize = 20
+ PayToWitnessScriptHashDataSize = 32
+ CoinbaseArbitrarySizeLimit = 128
+
+ BTMAlias = "BTM"
+)
+
+// BTMAssetID is BTM's asset id, the soul asset of Bytom
+var BTMAssetID = &bc.AssetID{
+ V0: binary.BigEndian.Uint64([]byte{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}),
+ V1: binary.BigEndian.Uint64([]byte{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}),
+ V2: binary.BigEndian.Uint64([]byte{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}),
+ V3: binary.BigEndian.Uint64([]byte{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}),
+}
+
+// InitialSeed is SHA3-256 of Byte[0^32]
+var InitialSeed = &bc.Hash{
+ V0: uint64(11412844483649490393),
+ V1: uint64(4614157290180302959),
+ V2: uint64(1780246333311066183),
+ V3: uint64(9357197556716379726),
+}
+
+// BTMDefinitionMap is the ....
+var BTMDefinitionMap = map[string]interface{}{
+ "name": BTMAlias,
+ "symbol": BTMAlias,
+ "decimals": 8,
+ "description": `Bytom Official Issue`,
+}
+
+// BlockSubsidy calculate the coinbase rewards on given block height
+func BlockSubsidy(height uint64) uint64 {
+ if height == 0 {
+ return InitialBlockSubsidy
+ }
+ return baseSubsidy >> uint(height/subsidyReductionInterval)
+}
+
+// IsBech32SegwitPrefix returns whether the prefix is a known prefix for segwit
+// addresses on any default or registered network. This is used when decoding
+// an address string into a specific address type.
+func IsBech32SegwitPrefix(prefix string, params *Params) bool {
+ prefix = strings.ToLower(prefix)
+ return prefix == params.Bech32HRPSegwit+"1"
+}
+
+// Checkpoint identifies a known good point in the block chain. Using
+// checkpoints allows a few optimizations for old blocks during initial download
+// and also prevents forks from old blocks.
+type Checkpoint struct {
+ Height uint64
+ Hash bc.Hash
+}
+
+// Params store the config for different network
+type Params struct {
+ // Name defines a human-readable identifier for the network.
+ Name string
+ Bech32HRPSegwit string
+ // DefaultPort defines the default peer-to-peer port for the network.
+ DefaultPort string
+
+ // DNSSeeds defines a list of DNS seeds for the network that are used
+ // as one method to discover peers.
+ DNSSeeds []string
+ Checkpoints []Checkpoint
+}
+
+// ActiveNetParams is ...
+var ActiveNetParams = MainNetParams
+
+// NetParams is the correspondence between chain_id and Params
+var NetParams = map[string]Params{
+ "mainnet": MainNetParams,
+ "wisdom": TestNetParams,
+ "solonet": SoloNetParams,
+}
+
+// MainNetParams is the config for production
+var MainNetParams = Params{
+ Name: "main",
+ Bech32HRPSegwit: "bm",
+ DefaultPort: "46657",
+ DNSSeeds: []string{"www.mainnetseed.bytom.io"},
+ Checkpoints: []Checkpoint{
+ {10000, bc.NewHash([32]byte{0x93, 0xe1, 0xeb, 0x78, 0x21, 0xd2, 0xb4, 0xad, 0x0f, 0x5b, 0x1c, 0xea, 0x82, 0xe8, 0x43, 0xad, 0x8c, 0x09, 0x9a, 0xb6, 0x5d, 0x8f, 0x70, 0xc5, 0x84, 0xca, 0xa2, 0xdd, 0xf1, 0x74, 0x65, 0x2c})},
+ {20000, bc.NewHash([32]byte{0x7d, 0x38, 0x61, 0xf3, 0x2c, 0xc0, 0x03, 0x81, 0xbb, 0xcd, 0x9a, 0x37, 0x6f, 0x10, 0x5d, 0xfe, 0x6f, 0xfe, 0x2d, 0xa5, 0xea, 0x88, 0xa5, 0xe3, 0x42, 0xed, 0xa1, 0x17, 0x9b, 0xa8, 0x0b, 0x7c})},
+ {30000, bc.NewHash([32]byte{0x32, 0x36, 0x06, 0xd4, 0x27, 0x2e, 0x35, 0x24, 0x46, 0x26, 0x7b, 0xe0, 0xfa, 0x48, 0x10, 0xa4, 0x3b, 0xb2, 0x40, 0xf1, 0x09, 0x51, 0x5b, 0x22, 0x9f, 0xf3, 0xc3, 0x83, 0x28, 0xaa, 0x4a, 0x00})},
+ {40000, bc.NewHash([32]byte{0x7f, 0xe2, 0xde, 0x11, 0x21, 0xf3, 0xa9, 0xa0, 0xee, 0x60, 0x8d, 0x7d, 0x4b, 0xea, 0xcc, 0x33, 0xfe, 0x41, 0x25, 0xdc, 0x2f, 0x26, 0xc2, 0xf2, 0x9c, 0x07, 0x17, 0xf9, 0xe4, 0x4f, 0x9d, 0x46})},
+ {50000, bc.NewHash([32]byte{0x5e, 0xfb, 0xdf, 0xf5, 0x35, 0x38, 0xa6, 0x0b, 0x75, 0x32, 0x02, 0x61, 0x83, 0x54, 0x34, 0xff, 0x3e, 0x82, 0x2e, 0xf8, 0x64, 0xae, 0x2d, 0xc7, 0x6c, 0x9d, 0x5e, 0xbd, 0xa3, 0xd4, 0x50, 0xcf})},
+ {62000, bc.NewHash([32]byte{0xd7, 0x39, 0x8f, 0x23, 0x57, 0xf9, 0x4c, 0xa0, 0x28, 0xa7, 0x00, 0x2b, 0x53, 0x9e, 0x51, 0x2d, 0x3e, 0xca, 0xc9, 0x22, 0x59, 0xfc, 0xd0, 0x3f, 0x67, 0x1a, 0x0a, 0xb1, 0x02, 0xbf, 0x2b, 0x03})},
+ {72000, bc.NewHash([32]byte{0x66, 0x02, 0x31, 0x19, 0xf1, 0x60, 0x35, 0x61, 0xa4, 0xf1, 0x38, 0x04, 0xcc, 0xe4, 0x59, 0x8f, 0x55, 0x39, 0xba, 0x22, 0xf2, 0x6d, 0x90, 0xbf, 0xc1, 0x87, 0xef, 0x98, 0xcc, 0x70, 0x4d, 0x94})},
+ {83700, bc.NewHash([32]byte{0x7f, 0x26, 0xc9, 0x11, 0xe8, 0x46, 0xd0, 0x6e, 0x36, 0xbb, 0xac, 0xce, 0x99, 0xa2, 0x19, 0x89, 0x3f, 0xf7, 0x84, 0x2a, 0xcb, 0x44, 0x7f, 0xbb, 0x0e, 0x3b, 0xa3, 0x68, 0xd6, 0x2b, 0xe8, 0x0d})},
+ {93700, bc.NewHash([32]byte{0x70, 0x44, 0x70, 0xe5, 0xb3, 0x9b, 0xd3, 0x67, 0x19, 0x20, 0x08, 0x42, 0x1b, 0x59, 0xe8, 0xdc, 0xb5, 0xbb, 0xb9, 0x2d, 0xd3, 0xdc, 0x28, 0x4e, 0xcb, 0x7b, 0x0b, 0xbf, 0x21, 0x51, 0xe1, 0xba})},
+ {106600, bc.NewHash([32]byte{0x31, 0x15, 0x2b, 0x00, 0xd4, 0x07, 0xe1, 0xa7, 0x06, 0xe1, 0xae, 0x2e, 0x98, 0x69, 0x8f, 0x47, 0xff, 0x44, 0x97, 0x01, 0xa7, 0x9e, 0x08, 0xdb, 0xeb, 0x0f, 0x1f, 0x5a, 0xdd, 0xf5, 0x26, 0xb9})},
+ {116600, bc.NewHash([32]byte{0x08, 0xeb, 0xf7, 0x6c, 0x27, 0xed, 0x81, 0xe7, 0xe7, 0xfe, 0x13, 0xca, 0x80, 0x71, 0x29, 0x26, 0x28, 0x72, 0x25, 0xa5, 0x2a, 0xa0, 0x36, 0x30, 0x58, 0xaa, 0x58, 0xc6, 0xdd, 0xf2, 0xa0, 0xe7})},
+ {126600, bc.NewHash([32]byte{0xac, 0x10, 0x41, 0x08, 0x24, 0x80, 0xe9, 0x5a, 0x9f, 0x32, 0x0a, 0x5e, 0x17, 0x7b, 0x01, 0x8d, 0x0d, 0x0d, 0x3d, 0xfc, 0xa7, 0x1d, 0x81, 0x5f, 0x13, 0xb4, 0xad, 0x0f, 0xc6, 0xde, 0x7a, 0x10})},
+ {131260, bc.NewHash([32]byte{0xdf, 0x18, 0xb5, 0xb1, 0x6f, 0x5f, 0xd2, 0x77, 0x7c, 0xab, 0xb8, 0x59, 0xcb, 0x13, 0x64, 0xce, 0x06, 0x06, 0x51, 0x39, 0x89, 0x30, 0x1b, 0x69, 0xd6, 0x00, 0xec, 0xd8, 0xfa, 0xd2, 0x09, 0x93})},
+ {157000, bc.NewHash([32]byte{0xb7, 0x70, 0x38, 0x4c, 0x81, 0x32, 0xaf, 0x12, 0x8d, 0xfa, 0xb4, 0xeb, 0x46, 0x4e, 0xb7, 0xeb, 0x66, 0x14, 0xd9, 0x24, 0xc2, 0xd1, 0x0c, 0x9c, 0x14, 0x20, 0xc9, 0xea, 0x0e, 0x85, 0xc8, 0xc3})},
+ {180000, bc.NewHash([32]byte{0x3c, 0x2a, 0x91, 0x55, 0xf3, 0x36, 0x6a, 0x5a, 0x60, 0xcf, 0x84, 0x42, 0xec, 0x4d, 0x0c, 0x63, 0xbc, 0x34, 0xe9, 0x1d, 0x1c, 0x6b, 0xb0, 0xf0, 0x50, 0xf3, 0xfb, 0x2d, 0xf6, 0xa1, 0xd9, 0x5c})},
+ {191000, bc.NewHash([32]byte{0x09, 0x4f, 0xe3, 0x23, 0x91, 0xb5, 0x11, 0x18, 0x68, 0xcc, 0x99, 0x9f, 0xeb, 0x95, 0xf9, 0xcc, 0xa5, 0x27, 0x6a, 0xf9, 0x0e, 0xda, 0x1b, 0xc6, 0x2e, 0x03, 0x29, 0xfe, 0x08, 0xdd, 0x2b, 0x01})},
+ {205000, bc.NewHash([32]byte{0x6f, 0xdd, 0x87, 0x26, 0x73, 0x3f, 0x0b, 0xc7, 0x58, 0x64, 0xa4, 0xdf, 0x45, 0xe4, 0x50, 0x27, 0x68, 0x38, 0x18, 0xb9, 0xa9, 0x44, 0x56, 0x20, 0x34, 0x68, 0xd8, 0x68, 0x72, 0xdb, 0x65, 0x6f})},
+ {219700, bc.NewHash([32]byte{0x98, 0x49, 0x8d, 0x4b, 0x7e, 0xe9, 0x44, 0x55, 0xc1, 0x07, 0xdd, 0x9a, 0xba, 0x6b, 0x49, 0x92, 0x61, 0x15, 0x03, 0x4f, 0x59, 0x42, 0x35, 0x74, 0xea, 0x3b, 0xdb, 0x2c, 0x53, 0x11, 0x75, 0x74})},
+ },
+}
+
+// TestNetParams is the config for test-net
+var TestNetParams = Params{
+ Name: "test",
+ Bech32HRPSegwit: "tm",
+ DefaultPort: "46656",
+ DNSSeeds: []string{"www.testnetseed.bytom.io"},
+ Checkpoints: []Checkpoint{
+ {10303, bc.NewHash([32]byte{0x3e, 0x94, 0x5d, 0x35, 0x70, 0x30, 0xd4, 0x3b, 0x3d, 0xe3, 0xdd, 0x80, 0x67, 0x29, 0x9a, 0x5e, 0x09, 0xf9, 0xfb, 0x2b, 0xad, 0x5f, 0x92, 0xc8, 0x69, 0xd1, 0x42, 0x39, 0x74, 0x9a, 0xd1, 0x1c})},
+ {40000, bc.NewHash([32]byte{0x6b, 0x13, 0x9a, 0x5b, 0x76, 0x77, 0x9b, 0xd4, 0x1c, 0xec, 0x53, 0x68, 0x44, 0xbf, 0xf4, 0x48, 0x94, 0x3d, 0x16, 0xe3, 0x9b, 0x2e, 0xe8, 0xa1, 0x0f, 0xa0, 0xbc, 0x7d, 0x2b, 0x17, 0x55, 0xfc})},
+ {78000, bc.NewHash([32]byte{0xa9, 0x03, 0xc0, 0x0c, 0x62, 0x1a, 0x3d, 0x00, 0x7f, 0xd8, 0x5d, 0x51, 0xba, 0x43, 0xe4, 0xd0, 0xe3, 0xc5, 0xd4, 0x8f, 0x30, 0xb5, 0x5f, 0xa5, 0x77, 0x62, 0xd8, 0x8b, 0x11, 0x81, 0x5f, 0xb4})},
+ {82000, bc.NewHash([32]byte{0x56, 0xb1, 0xba, 0x23, 0x69, 0x5c, 0x8f, 0x51, 0x4e, 0x23, 0xc0, 0xae, 0xaa, 0x25, 0x08, 0xc5, 0x85, 0xf3, 0x7c, 0xd1, 0xc6, 0x15, 0xa2, 0x51, 0xda, 0x79, 0x4f, 0x08, 0x13, 0x66, 0xc9, 0x85})},
+ {83200, bc.NewHash([32]byte{0xb4, 0x6f, 0xc5, 0xcf, 0xa3, 0x3d, 0xe1, 0x11, 0x71, 0x68, 0x40, 0x68, 0x0c, 0xe7, 0x4c, 0xaf, 0x5a, 0x11, 0xfe, 0x82, 0xbc, 0x36, 0x88, 0x0f, 0xbd, 0x04, 0xf0, 0xc4, 0x86, 0xd4, 0xd6, 0xd5})},
+ {93000, bc.NewHash([32]byte{0x6f, 0x4f, 0x37, 0x5f, 0xe9, 0xfb, 0xdf, 0x66, 0x60, 0x0e, 0xf0, 0x39, 0xb7, 0x18, 0x26, 0x75, 0xa0, 0x9a, 0xa5, 0x9b, 0x83, 0xc9, 0x9a, 0x25, 0x45, 0xb8, 0x7d, 0xd4, 0x99, 0x24, 0xa2, 0x8a})},
+ {113300, bc.NewHash([32]byte{0x7a, 0x69, 0x75, 0xa5, 0xf6, 0xb6, 0x94, 0xf3, 0x94, 0xa2, 0x63, 0x91, 0x28, 0xb6, 0xab, 0x7e, 0xf9, 0x71, 0x27, 0x5a, 0xe2, 0x59, 0xd3, 0xff, 0x70, 0x6e, 0xcb, 0xd8, 0xd8, 0x30, 0x9c, 0xc4})},
+ },
+}
+
+// SoloNetParams is the config for test-net
+var SoloNetParams = Params{
+ Name: "solo",
+ Bech32HRPSegwit: "sm",
+ Checkpoints: []Checkpoint{},
+}
diff --git a/vendor/github.com/bytom/consensus/general_test.go b/vendor/github.com/bytom/consensus/general_test.go
new file mode 100644
index 00000000..5006743f
--- /dev/null
+++ b/vendor/github.com/bytom/consensus/general_test.go
@@ -0,0 +1,38 @@
+package consensus
+
+import "testing"
+
+func TestSubsidy(t *testing.T) {
+ cases := []struct {
+ subsidy uint64
+ height uint64
+ }{
+ {
+ subsidy: baseSubsidy,
+ height: 1,
+ },
+ {
+ subsidy: baseSubsidy,
+ height: subsidyReductionInterval - 1,
+ },
+ {
+ subsidy: baseSubsidy / 2,
+ height: subsidyReductionInterval,
+ },
+ {
+ subsidy: baseSubsidy / 2,
+ height: subsidyReductionInterval + 1,
+ },
+ {
+ subsidy: baseSubsidy / 1024,
+ height: subsidyReductionInterval * 10,
+ },
+ }
+
+ for _, c := range cases {
+ subsidy := BlockSubsidy(c.height)
+ if subsidy != c.subsidy {
+ t.Errorf("got subsidy %d, want %d", subsidy, c.subsidy)
+ }
+ }
+}
diff --git a/vendor/github.com/bytom/crypto/crypto.go b/vendor/github.com/bytom/crypto/crypto.go
new file mode 100644
index 00000000..919b1c56
--- /dev/null
+++ b/vendor/github.com/bytom/crypto/crypto.go
@@ -0,0 +1,31 @@
+package crypto
+
+import (
+ "github.com/bytom/common"
+ "golang.org/x/crypto/ripemd160"
+ "golang.org/x/crypto/sha3"
+)
+
+func Sha256(data ...[]byte) []byte {
+ d := sha3.New256()
+ for _, b := range data {
+ d.Write(b)
+ }
+ return d.Sum(nil)
+}
+
+func Sha256Hash(data ...[]byte) (h common.Hash) {
+ d := sha3.New256()
+ for _, b := range data {
+ d.Write(b)
+ }
+ d.Sum(h[:0])
+ return h
+}
+
+func Ripemd160(data []byte) []byte {
+ ripemd := ripemd160.New()
+ ripemd.Write(data)
+
+ return ripemd.Sum(nil)
+}
diff --git a/vendor/github.com/bytom/crypto/ed25519/chainkd/bench_test.go b/vendor/github.com/bytom/crypto/ed25519/chainkd/bench_test.go
new file mode 100644
index 00000000..afadd565
--- /dev/null
+++ b/vendor/github.com/bytom/crypto/ed25519/chainkd/bench_test.go
@@ -0,0 +1,53 @@
+package chainkd
+
+import (
+ "log"
+ "testing"
+)
+
+var (
+ benchXprv XPrv
+ benchXpub XPub
+ benchMsg = []byte("Hello, world!")
+ benchSig []byte
+)
+
+func init() {
+ var err error
+ benchXprv, err = NewXPrv(nil)
+ if err != nil {
+ log.Fatalln(err)
+ }
+ benchXpub = benchXprv.XPub()
+ benchSig = benchXprv.Sign(benchMsg)
+}
+
+func BenchmarkXPrvChildNonHardened(b *testing.B) {
+ for i := 0; i < b.N; i++ {
+ benchXprv.Child(benchMsg, false)
+ }
+}
+
+func BenchmarkXPrvChildHardened(b *testing.B) {
+ for i := 0; i < b.N; i++ {
+ benchXprv.Child(benchMsg, true)
+ }
+}
+
+func BenchmarkXPubChild(b *testing.B) {
+ for i := 0; i < b.N; i++ {
+ benchXpub.Child(benchMsg)
+ }
+}
+
+func BenchmarkXPrvSign(b *testing.B) {
+ for i := 0; i < b.N; i++ {
+ benchXprv.Sign(benchMsg)
+ }
+}
+
+func BenchmarkXPubVerify(b *testing.B) {
+ for i := 0; i < b.N; i++ {
+ benchXpub.Verify(benchMsg, benchSig)
+ }
+}
diff --git a/vendor/github.com/bytom/crypto/ed25519/chainkd/chainkd.go b/vendor/github.com/bytom/crypto/ed25519/chainkd/chainkd.go
new file mode 100644
index 00000000..3629fec4
--- /dev/null
+++ b/vendor/github.com/bytom/crypto/ed25519/chainkd/chainkd.go
@@ -0,0 +1,275 @@
+package chainkd
+
+import (
+ "crypto/hmac"
+ "crypto/rand"
+ "crypto/sha512"
+ "io"
+
+ "github.com/bytom/crypto/ed25519"
+ "github.com/bytom/crypto/ed25519/ecmath"
+)
+
+type (
+ //XPrv external private key
+ XPrv [64]byte
+ //XPub external public key
+ XPub [64]byte
+)
+
+// NewXPrv takes a source of random bytes and produces a new XPrv.
+// If r is nil, crypto/rand.Reader is used.
+func NewXPrv(r io.Reader) (xprv XPrv, err error) {
+ if r == nil {
+ r = rand.Reader
+ }
+ var entropy [64]byte
+ _, err = io.ReadFull(r, entropy[:])
+ if err != nil {
+ return xprv, err
+ }
+ return RootXPrv(entropy[:]), nil
+}
+
+// RootXPrv takes a seed binary string and produces a new xprv.
+func RootXPrv(seed []byte) (xprv XPrv) {
+ h := hmac.New(sha512.New, []byte{'R', 'o', 'o', 't'})
+ h.Write(seed)
+ h.Sum(xprv[:0])
+ pruneRootScalar(xprv[:32])
+ return
+}
+
+// XPub derives an extended public key from a given xprv.
+func (xprv XPrv) XPub() (xpub XPub) {
+ var scalar ecmath.Scalar
+ copy(scalar[:], xprv[:32])
+
+ var P ecmath.Point
+ P.ScMulBase(&scalar)
+ buf := P.Encode()
+
+ copy(xpub[:32], buf[:])
+ copy(xpub[32:], xprv[32:])
+
+ return
+}
+
+// Child derives a child xprv based on `selector` string and `hardened` flag.
+// If `hardened` is false, child xpub can be derived independently
+// from the parent xpub without using the parent xprv.
+// If `hardened` is true, child key can only be derived from the parent xprv.
+func (xprv XPrv) Child(sel []byte, hardened bool) XPrv {
+ if hardened {
+ return xprv.hardenedChild(sel)
+ }
+ return xprv.nonhardenedChild(sel)
+}
+
+func (xprv XPrv) hardenedChild(sel []byte) (res XPrv) {
+ h := hmac.New(sha512.New, xprv[32:])
+ h.Write([]byte{'H'})
+ h.Write(xprv[:32])
+ h.Write(sel)
+ h.Sum(res[:0])
+ pruneRootScalar(res[:32])
+ return
+}
+
+func (xprv XPrv) nonhardenedChild(sel []byte) (res XPrv) {
+ xpub := xprv.XPub()
+
+ h := hmac.New(sha512.New, xpub[32:])
+ h.Write([]byte{'N'})
+ h.Write(xpub[:32])
+ h.Write(sel)
+ h.Sum(res[:0])
+
+ pruneIntermediateScalar(res[:32])
+
+ // Unrolled the following loop:
+ // var carry int
+ // carry = 0
+ // for i := 0; i < 32; i++ {
+ // sum := int(xprv[i]) + int(res[i]) + carry
+ // res[i] = byte(sum & 0xff)
+ // carry = (sum >> 8)
+ // }
+
+ sum := int(0)
+
+ sum = int(xprv[0]) + int(res[0]) + (sum >> 8)
+ res[0] = byte(sum & 0xff)
+ sum = int(xprv[1]) + int(res[1]) + (sum >> 8)
+ res[1] = byte(sum & 0xff)
+ sum = int(xprv[2]) + int(res[2]) + (sum >> 8)
+ res[2] = byte(sum & 0xff)
+ sum = int(xprv[3]) + int(res[3]) + (sum >> 8)
+ res[3] = byte(sum & 0xff)
+ sum = int(xprv[4]) + int(res[4]) + (sum >> 8)
+ res[4] = byte(sum & 0xff)
+ sum = int(xprv[5]) + int(res[5]) + (sum >> 8)
+ res[5] = byte(sum & 0xff)
+ sum = int(xprv[6]) + int(res[6]) + (sum >> 8)
+ res[6] = byte(sum & 0xff)
+ sum = int(xprv[7]) + int(res[7]) + (sum >> 8)
+ res[7] = byte(sum & 0xff)
+ sum = int(xprv[8]) + int(res[8]) + (sum >> 8)
+ res[8] = byte(sum & 0xff)
+ sum = int(xprv[9]) + int(res[9]) + (sum >> 8)
+ res[9] = byte(sum & 0xff)
+ sum = int(xprv[10]) + int(res[10]) + (sum >> 8)
+ res[10] = byte(sum & 0xff)
+ sum = int(xprv[11]) + int(res[11]) + (sum >> 8)
+ res[11] = byte(sum & 0xff)
+ sum = int(xprv[12]) + int(res[12]) + (sum >> 8)
+ res[12] = byte(sum & 0xff)
+ sum = int(xprv[13]) + int(res[13]) + (sum >> 8)
+ res[13] = byte(sum & 0xff)
+ sum = int(xprv[14]) + int(res[14]) + (sum >> 8)
+ res[14] = byte(sum & 0xff)
+ sum = int(xprv[15]) + int(res[15]) + (sum >> 8)
+ res[15] = byte(sum & 0xff)
+ sum = int(xprv[16]) + int(res[16]) + (sum >> 8)
+ res[16] = byte(sum & 0xff)
+ sum = int(xprv[17]) + int(res[17]) + (sum >> 8)
+ res[17] = byte(sum & 0xff)
+ sum = int(xprv[18]) + int(res[18]) + (sum >> 8)
+ res[18] = byte(sum & 0xff)
+ sum = int(xprv[19]) + int(res[19]) + (sum >> 8)
+ res[19] = byte(sum & 0xff)
+ sum = int(xprv[20]) + int(res[20]) + (sum >> 8)
+ res[20] = byte(sum & 0xff)
+ sum = int(xprv[21]) + int(res[21]) + (sum >> 8)
+ res[21] = byte(sum & 0xff)
+ sum = int(xprv[22]) + int(res[22]) + (sum >> 8)
+ res[22] = byte(sum & 0xff)
+ sum = int(xprv[23]) + int(res[23]) + (sum >> 8)
+ res[23] = byte(sum & 0xff)
+ sum = int(xprv[24]) + int(res[24]) + (sum >> 8)
+ res[24] = byte(sum & 0xff)
+ sum = int(xprv[25]) + int(res[25]) + (sum >> 8)
+ res[25] = byte(sum & 0xff)
+ sum = int(xprv[26]) + int(res[26]) + (sum >> 8)
+ res[26] = byte(sum & 0xff)
+ sum = int(xprv[27]) + int(res[27]) + (sum >> 8)
+ res[27] = byte(sum & 0xff)
+ sum = int(xprv[28]) + int(res[28]) + (sum >> 8)
+ res[28] = byte(sum & 0xff)
+ sum = int(xprv[29]) + int(res[29]) + (sum >> 8)
+ res[29] = byte(sum & 0xff)
+ sum = int(xprv[30]) + int(res[30]) + (sum >> 8)
+ res[30] = byte(sum & 0xff)
+ sum = int(xprv[31]) + int(res[31]) + (sum >> 8)
+ res[31] = byte(sum & 0xff)
+
+ if (sum >> 8) != 0 {
+ panic("sum does not fit in 256-bit int")
+ }
+ return
+}
+
+// Child derives a child xpub based on `selector` string.
+// The corresponding child xprv can be derived from the parent xprv
+// using non-hardened derivation: `parentxprv.Child(sel, false)`.
+func (xpub XPub) Child(sel []byte) (res XPub) {
+ h := hmac.New(sha512.New, xpub[32:])
+ h.Write([]byte{'N'})
+ h.Write(xpub[:32])
+ h.Write(sel)
+ h.Sum(res[:0])
+
+ pruneIntermediateScalar(res[:32])
+
+ var (
+ f ecmath.Scalar
+ F ecmath.Point
+ )
+ copy(f[:], res[:32])
+ F.ScMulBase(&f)
+
+ var (
+ pubkey [32]byte
+ P ecmath.Point
+ )
+ copy(pubkey[:], xpub[:32])
+ _, ok := P.Decode(pubkey)
+ if !ok {
+ panic("XPub should have been validated on initialization")
+ }
+
+ P.Add(&P, &F)
+ pubkey = P.Encode()
+ copy(res[:32], pubkey[:])
+
+ return
+}
+
+// Derive generates a child xprv by recursively deriving
+// non-hardened child xprvs over the list of selectors:
+// `Derive([a,b,c,...]) == Child(a).Child(b).Child(c)...`
+func (xprv XPrv) Derive(path [][]byte) XPrv {
+ res := xprv
+ for _, p := range path {
+ res = res.Child(p, false)
+ }
+ return res
+}
+
+// Derive generates a child xpub by recursively deriving
+// non-hardened child xpubs over the list of selectors:
+// `Derive([a,b,c,...]) == Child(a).Child(b).Child(c)...`
+func (xpub XPub) Derive(path [][]byte) XPub {
+ res := xpub
+ for _, p := range path {
+ res = res.Child(p)
+ }
+ return res
+}
+
+// Sign creates an EdDSA signature using expanded private key
+// derived from the xprv.
+func (xprv XPrv) Sign(msg []byte) []byte {
+ return Ed25519InnerSign(xprv.ExpandedPrivateKey(), msg)
+}
+
+// Verify checks an EdDSA signature using public key
+// extracted from the first 32 bytes of the xpub.
+func (xpub XPub) Verify(msg []byte, sig []byte) bool {
+ return ed25519.Verify(xpub.PublicKey(), msg, sig)
+}
+
+// ExpandedPrivateKey generates a 64-byte key where
+// the first half is the scalar copied from xprv,
+// and the second half is the `prefix` is generated via PRF
+// from the xprv.
+func (xprv XPrv) ExpandedPrivateKey() ExpandedPrivateKey {
+ var res [64]byte
+ h := hmac.New(sha512.New, []byte{'E', 'x', 'p', 'a', 'n', 'd'})
+ h.Write(xprv[:])
+ h.Sum(res[:0])
+ copy(res[:32], xprv[:32])
+ return res[:]
+}
+
+// PublicKey extracts the ed25519 public key from an xpub.
+func (xpub XPub) PublicKey() ed25519.PublicKey {
+ return ed25519.PublicKey(xpub[:32])
+}
+
+// s must be >= 32 bytes long and gets rewritten in place.
+// This is NOT the same pruning as in Ed25519: it additionally clears the third
+// highest bit to ensure subkeys do not overflow the second highest bit.
+func pruneRootScalar(s []byte) {
+ s[0] &= 248
+ s[31] &= 31 // clear top 3 bits
+ s[31] |= 64 // set second highest bit
+}
+
+// Clears lowest 3 bits and highest 23 bits of `f`.
+func pruneIntermediateScalar(f []byte) {
+ f[0] &= 248 // clear bottom 3 bits
+ f[29] &= 1 // clear 7 high bits
+ f[30] = 0 // clear 8 bits
+ f[31] = 0 // clear 8 bits
+}
diff --git a/vendor/github.com/bytom/crypto/ed25519/chainkd/chainkd_test.go b/vendor/github.com/bytom/crypto/ed25519/chainkd/chainkd_test.go
new file mode 100644
index 00000000..da3a0023
--- /dev/null
+++ b/vendor/github.com/bytom/crypto/ed25519/chainkd/chainkd_test.go
@@ -0,0 +1,279 @@
+package chainkd
+
+import (
+ "bytes"
+ "encoding/hex"
+ "fmt"
+ "reflect"
+ "testing"
+)
+
+func TestVectors1(t *testing.T) {
+ root := RootXPrv([]byte{0x01, 0x02, 0x03})
+
+ verifyTestVector(t, "Root(010203).xprv", root.hex(),
+ "50f8c532ce6f088de65c2c1fbc27b491509373fab356eba300dfa7cc587b07483bc9e0d93228549c6888d3f68ad664b92c38f5ea8ca07181c1410949c02d3146")
+ verifyTestVector(t, "Root(010203).xpub", root.XPub().hex(),
+ "e11f321ffef364d01c2df2389e61091b15dab2e8eee87cb4c053fa65ed2812993bc9e0d93228549c6888d3f68ad664b92c38f5ea8ca07181c1410949c02d3146")
+
+ verifyTestVector(t, "Root(010203)/010203(H).xprv", root.Child([]byte{0x01, 0x02, 0x03}, true).hex(),
+ "6023c8e7633a9353a59bd930ea6dc397e400b1088b86b4a15d8de8567554df5574274bc1a0bd93b4494cb68e45c5ec5aefc1eed4d0c3bfd53b0b4e679ce52028")
+ verifyTestVector(t, "Root(010203)/010203(H).xpub", root.Child([]byte{0x01, 0x02, 0x03}, true).XPub().hex(),
+ "eabebab4184c63f8df07efe31fb588a0ae222318087458b4936bf0b0feab015074274bc1a0bd93b4494cb68e45c5ec5aefc1eed4d0c3bfd53b0b4e679ce52028")
+
+ verifyTestVector(t, "Root(010203)/010203(N).xprv", root.Child([]byte{0x01, 0x02, 0x03}, false).hex(),
+ "705afd25a0e242b7333105d77cbb0ec15e667154916bbed5084c355dba7b0748b0faca523928f42e685ee6deb0cb3d41a09617783c87e9a161a04f2207ad4d2f")
+ verifyTestVector(t, "Root(010203)/010203(N).xpub", root.Child([]byte{0x01, 0x02, 0x03}, false).XPub().hex(),
+ "c0bbd87142e7bf90abfbb3d0cccc210c6d7eb3f912c35f205302c86ae9ef6eefb0faca523928f42e685ee6deb0cb3d41a09617783c87e9a161a04f2207ad4d2f")
+ verifyTestVector(t, "Root(010203)/010203(N).xpub", root.XPub().Child([]byte{0x01, 0x02, 0x03}).hex(),
+ "c0bbd87142e7bf90abfbb3d0cccc210c6d7eb3f912c35f205302c86ae9ef6eefb0faca523928f42e685ee6deb0cb3d41a09617783c87e9a161a04f2207ad4d2f")
+
+ verifyTestVector(t, "Root(010203)/010203(H)/ââ(N).xprv", root.Child([]byte{0x01, 0x02, 0x03}, true).Child([]byte{}, false).hex(),
+ "7023f9877813348ca8e67b29d551baf98a43cfb76cdff538f3ff97074a55df5560e3aa7fb600f61a84317a981dc9d1f7e8df2e8a3f8b544a21d2404e0b4e480a")
+ verifyTestVector(t, "Root(010203)/010203(H)/ââ(N).xpub", root.Child([]byte{0x01, 0x02, 0x03}, true).Child([]byte{}, false).XPub().hex(),
+ "4e44c9ab8a45b9d1c3daab5c09d73b01209220ea704808f04feaa3614c7c7ba760e3aa7fb600f61a84317a981dc9d1f7e8df2e8a3f8b544a21d2404e0b4e480a")
+ verifyTestVector(t, "Root(010203)/010203(H)/ââ(N).xpub", root.Child([]byte{0x01, 0x02, 0x03}, true).XPub().Child([]byte{}).hex(),
+ "4e44c9ab8a45b9d1c3daab5c09d73b01209220ea704808f04feaa3614c7c7ba760e3aa7fb600f61a84317a981dc9d1f7e8df2e8a3f8b544a21d2404e0b4e480a")
+
+ verifyTestVector(t, "Root(010203)/010203(N)/ââ(H).xprv", root.Child([]byte{0x01, 0x02, 0x03}, false).Child([]byte{}, true).hex(),
+ "90b60b007e866dacc4b1f844089a805ffd78a295f5b0544034116ace354c58523410b1e6a3c557ca90c322f6ff4b5e547242965eaed8c34767765f0e05ed0e4f")
+ verifyTestVector(t, "Root(010203)/010203(N)/ââ(H).xpub", root.Child([]byte{0x01, 0x02, 0x03}, false).Child([]byte{}, true).XPub().hex(),
+ "ca97ec34ef30aa08ebd19b9848b11ebadf9c0ad3a0be6b11d33d9558573aca633410b1e6a3c557ca90c322f6ff4b5e547242965eaed8c34767765f0e05ed0e4f")
+
+ verifyTestVector(t, "Root(010203)/010203(N)/ââ(N).xprv", root.Child([]byte{0x01, 0x02, 0x03}, false).Child([]byte{}, false).hex(),
+ "d81ba3ab554a7d09bfd8bda5089363399b7f4b19d4f1806ca0c35feabf7b074856648f55e21bec3aa5df0bce0236aea88a4cc5c395c896df63676f095154bb7b")
+ verifyTestVector(t, "Root(010203)/010203(N)/ââ(N).xpub", root.Child([]byte{0x01, 0x02, 0x03}, false).Child([]byte{}, false).XPub().hex(),
+ "28279bcb06aee9e5c0302f4e1db879ac7f5444ec07266a736dd571c21961427b56648f55e21bec3aa5df0bce0236aea88a4cc5c395c896df63676f095154bb7b")
+ verifyTestVector(t, "Root(010203)/010203(N)/ââ(N).xpub", root.XPub().Child([]byte{0x01, 0x02, 0x03}).Child([]byte{}).hex(),
+ "28279bcb06aee9e5c0302f4e1db879ac7f5444ec07266a736dd571c21961427b56648f55e21bec3aa5df0bce0236aea88a4cc5c395c896df63676f095154bb7b")
+
+ verifyTestVector(t, "Root(010203)/010203(N)/ââ(N).xprv", root.Derive([][]byte{[]byte{0x01, 0x02, 0x03}, []byte{}}).hex(),
+ "d81ba3ab554a7d09bfd8bda5089363399b7f4b19d4f1806ca0c35feabf7b074856648f55e21bec3aa5df0bce0236aea88a4cc5c395c896df63676f095154bb7b")
+ verifyTestVector(t, "Root(010203)/010203(N)/ââ(N).xprv", root.Derive([][]byte{[]byte{0x01, 0x02, 0x03}, []byte{}}).XPub().hex(),
+ "28279bcb06aee9e5c0302f4e1db879ac7f5444ec07266a736dd571c21961427b56648f55e21bec3aa5df0bce0236aea88a4cc5c395c896df63676f095154bb7b")
+ verifyTestVector(t, "Root(010203)/010203(N)/ââ(N).xpub", root.XPub().Derive([][]byte{[]byte{0x01, 0x02, 0x03}, []byte{}}).hex(),
+ "28279bcb06aee9e5c0302f4e1db879ac7f5444ec07266a736dd571c21961427b56648f55e21bec3aa5df0bce0236aea88a4cc5c395c896df63676f095154bb7b")
+}
+
+func TestVectors2(t *testing.T) {
+ seed, _ := hex.DecodeString("fffcf9f6f3f0edeae7e4e1dedbd8d5d2cfccc9c6c3c0bdbab7b4b1aeaba8a5a29f9c999693908d8a8784817e7b7875726f6c696663605d5a5754514e4b484542")
+ root := RootXPrv(seed)
+
+ verifyTestVector(t, "Root(fffcf9...).xprv", root.hex(),
+ "0031615bdf7906a19360f08029354d12eaaedc9046806aefd672e3b93b024e495a95ba63cf47903eb742cd1843a5252118f24c0c496e9213bd42de70f649a798")
+ verifyTestVector(t, "Root(fffcf9...).xpub", root.XPub().hex(),
+ "f153ef65bbfaec3c8fd4fceb0510529048094093cf7c14970013282973e117545a95ba63cf47903eb742cd1843a5252118f24c0c496e9213bd42de70f649a798")
+
+ verifyTestVector(t, "Root(fffcf9...)/0(N).xprv", root.Child([]byte{0x00}, false).hex(),
+ "883e65e6e86499bdd170c14d67e62359dd020dd63056a75ff75983a682024e49e8cc52d8e74c5dfd75b0b326c8c97ca7397b7f954ad0b655b8848bfac666f09f")
+ verifyTestVector(t, "Root(fffcf9...)/0(N).xpub", root.Child([]byte{0x00}, false).XPub().hex(),
+ "f48b7e641d119b8ddeaf97aca104ee6e6a780ab550d40534005443550ef7e7d8e8cc52d8e74c5dfd75b0b326c8c97ca7397b7f954ad0b655b8848bfac666f09f")
+ verifyTestVector(t, "Root(fffcf9...)/0(N).xpub", root.XPub().Child([]byte{0x00}).hex(),
+ "f48b7e641d119b8ddeaf97aca104ee6e6a780ab550d40534005443550ef7e7d8e8cc52d8e74c5dfd75b0b326c8c97ca7397b7f954ad0b655b8848bfac666f09f")
+
+ verifyTestVector(t, "Root(fffcf9...)/0(N)/2147483647(H).xprv", root.Child([]byte{0x00}, false).Child([]byte{0xff, 0xff, 0xff, 0x7f}, true).hex(),
+ "5048fa4498bf65e2b10d26e6c99cc43556ecfebf8b9fddf8bd2150ba29d63154044ef557a3aa4cb6ae8b61e87cb977a929bc4a170e4faafc2661231f5f3f78e8")
+ verifyTestVector(t, "Root(fffcf9...)/0(N)/2147483647(H).xpub", root.Child([]byte{0x00}, false).Child([]byte{0xff, 0xff, 0xff, 0x7f}, true).XPub().hex(),
+ "a8555c5ee5054ad03c6c6661968d66768fa081103bf576ea63a26c00ca7eab69044ef557a3aa4cb6ae8b61e87cb977a929bc4a170e4faafc2661231f5f3f78e8")
+
+ verifyTestVector(t, "Root(fffcf9...)/0(N)/2147483647(H)/1(N).xprv", root.Child([]byte{0x00}, false).Child([]byte{0xff, 0xff, 0xff, 0x7f}, true).Child([]byte{0x01}, false).hex(),
+ "480f6aa25f7c9f4a569896f06614303a697f00ee8d240c6277605d44e0d63154174c386ad6ae01e54acd7bb422243c6055058f4231e250050134283a76de8eff")
+ verifyTestVector(t, "Root(fffcf9...)/0(N)/2147483647(H)/1(N).xpub", root.Child([]byte{0x00}, false).Child([]byte{0xff, 0xff, 0xff, 0x7f}, true).Child([]byte{0x01}, false).XPub().hex(),
+ "7385ab0b06eacc226c8035bab1ff9bc6972c7700d1caede26fe2b4d57b208bd0174c386ad6ae01e54acd7bb422243c6055058f4231e250050134283a76de8eff")
+ verifyTestVector(t, "Root(fffcf9...)/0(N)/2147483647(H)/1(N).xpub", root.Child([]byte{0x00}, false).Child([]byte{0xff, 0xff, 0xff, 0x7f}, true).XPub().Child([]byte{0x01}).hex(),
+ "7385ab0b06eacc226c8035bab1ff9bc6972c7700d1caede26fe2b4d57b208bd0174c386ad6ae01e54acd7bb422243c6055058f4231e250050134283a76de8eff")
+
+ verifyTestVector(t, "Root(fffcf9...)/0(N)/2147483647(H)/1(N)/2147483646(H).xprv", root.Child([]byte{0x00}, false).Child([]byte{0xff, 0xff, 0xff, 0x7f}, true).Child([]byte{0x01}, false).Child([]byte{0xfe, 0xff, 0xff, 0x7f}, true).hex(),
+ "386014c6dfeb8dadf62f0e5acacfbf7965d5746c8b9011df155a31df7be0fb59986c923d979d89310acd82171dbaa7b73b20b2033ac6819d7f309212ff3fbabd")
+ verifyTestVector(t, "Root(fffcf9...)/0(N)/2147483647(H)/1(N)/2147483646(H).xpub", root.Child([]byte{0x00}, false).Child([]byte{0xff, 0xff, 0xff, 0x7f}, true).Child([]byte{0x01}, false).Child([]byte{0xfe, 0xff, 0xff, 0x7f}, true).XPub().hex(),
+ "9f66aa8019427a825dd72a13ce982454d99f221c8d4874db59f52c2945cbcabd986c923d979d89310acd82171dbaa7b73b20b2033ac6819d7f309212ff3fbabd")
+
+ verifyTestVector(t, "Root(fffcf9...)/0(N)/2147483647(H)/1(N)/2147483646(H)/2(N).xprv", root.Child([]byte{0x00}, false).Child([]byte{0xff, 0xff, 0xff, 0x7f}, true).Child([]byte{0x01}, false).Child([]byte{0xfe, 0xff, 0xff, 0x7f}, true).Child([]byte{0x02}, false).hex(),
+ "08c3772f5c0eee42f40d00f4faff9e4c84e5db3c4e7f28ecb446945a1de1fb59ef9d0a352f3252ea673e8b6bd31ac97218e019e845bdc545c268cd52f7af3f5d")
+ verifyTestVector(t, "Root(fffcf9...)/0(N)/2147483647(H)/1(N)/2147483646(H)/2(N).xpub", root.Child([]byte{0x00}, false).Child([]byte{0xff, 0xff, 0xff, 0x7f}, true).Child([]byte{0x01}, false).Child([]byte{0xfe, 0xff, 0xff, 0x7f}, true).Child([]byte{0x02}, false).XPub().hex(),
+ "67388f59a7b62644c3c6148575770e56969d77244530263bc9659b8563d7ff81ef9d0a352f3252ea673e8b6bd31ac97218e019e845bdc545c268cd52f7af3f5d")
+ verifyTestVector(t, "Root(fffcf9...)/0(N)/2147483647(H)/1(N)/2147483646(H)/2(N).xpub", root.Child([]byte{0x00}, false).Child([]byte{0xff, 0xff, 0xff, 0x7f}, true).Child([]byte{0x01}, false).Child([]byte{0xfe, 0xff, 0xff, 0x7f}, true).XPub().Child([]byte{0x02}).hex(),
+ "67388f59a7b62644c3c6148575770e56969d77244530263bc9659b8563d7ff81ef9d0a352f3252ea673e8b6bd31ac97218e019e845bdc545c268cd52f7af3f5d")
+}
+
+func TestExpandedPrivateKey(t *testing.T) {
+ root := RootXPrv([]byte{0xca, 0xfe})
+ verifyTestVector(t, "Root(cafe).xprv", root.hex(),
+ "a0cde08fd2ea06e16dd5d21e64ca0609fa1d719b79fed4245a5b8ada0242464cebbc2b9e1e989aca72d9766efd9b63ebcfc968027ef27cb786babb7897f9248a")
+ verifyTestVector(t, "Root(cafe).xprv.expandedkey", root.ExpandedPrivateKey().hex(),
+ "a0cde08fd2ea06e16dd5d21e64ca0609fa1d719b79fed4245a5b8ada0242464c1437c8234e21e43eb9c79df0ce370dc82d4c7a952ef317e716b0762146bb61a0")
+
+ child := root.Child([]byte{0xbe, 0xef}, false)
+ verifyTestVector(t, "Root(cafe)/beef.xprv", child.hex(),
+ "684df1aa25e0425c48c76392f42abc87a359ef2a2328ad31e53318128242464cf85916f4261b03f71afa64ad4bc2be4f335f15e433e815b45bbd15fcc7d1a864")
+ verifyTestVector(t, "Root(cafe)/beef.xprv.expandedkey", child.ExpandedPrivateKey().hex(),
+ "684df1aa25e0425c48c76392f42abc87a359ef2a2328ad31e53318128242464c0abdda57709eff7e9c60e0d4199065a6941122566c0a30ffa3ce0449d0582278")
+}
+
+func TestChildKeys(t *testing.T) {
+ rootXPrv, err := NewXPrv(nil)
+ if err != nil {
+ t.Fatal(err)
+ }
+ rootXPub := rootXPrv.XPub()
+
+ msg := []byte("In the face of ignorance and resistance I wrote financial systems into existence")
+
+ sig := rootXPrv.Sign(msg)
+ doverify(t, rootXPub, msg, sig, "root xpub", "root xprv")
+
+ sel := []byte{1, 2, 3}
+ dprv := rootXPrv.Child(sel, false)
+ dpub := rootXPub.Child(sel)
+
+ sig = dprv.Sign(msg)
+ doverify(t, dpub, msg, sig, "derived xpub", "derived xprv")
+
+ dpub = dprv.XPub()
+ doverify(t, dpub, msg, sig, "xpub from derived xprv", "derived xprv")
+
+ dprv = dprv.Child(sel, false)
+ sig = dprv.Sign(msg)
+ dpub = dpub.Child(sel)
+ doverify(t, dpub, msg, sig, "double-derived xpub", "double-derived xprv")
+
+ for i := byte(0); i < 10; i++ {
+ sel := []byte{i}
+
+ // Non-hardened children
+ dprv := rootXPrv.Child(sel, false)
+ if reflect.DeepEqual(dprv, rootXPrv) {
+ t.Errorf("derived private key %d is the same as the root", i)
+ }
+ dpub1 := rootXPub.Child(sel)
+ if reflect.DeepEqual(dpub1, rootXPub) {
+ t.Errorf("derived public key %d is the same as the root", i)
+ }
+ sig := dprv.Sign(msg)
+ doverify(t, dpub1, msg, sig, fmt.Sprintf("derived pubkey (%d)", i), "derived xprv")
+
+ for j := byte(0); j < 10; j++ {
+ sel2 := []byte{j}
+ ddprv := dprv.Child(sel2, false)
+ if reflect.DeepEqual(ddprv, dprv) {
+ t.Errorf("rootXPrv.Child(%d).Child(%d) is the same as its parent", i, j)
+ }
+ ddpub1 := dpub1.Child(sel2)
+ if reflect.DeepEqual(ddpub1, dpub1) {
+ t.Errorf("rootXPub.Child(%d).Child(%d) is the same as its parent", i, j)
+ }
+ sig = ddprv.Sign(msg)
+ doverify(t, ddpub1, msg, sig, fmt.Sprintf("double-derived pubkey (%d, %d)", i, j), "double-derived xprv")
+ }
+
+ // Hardened children
+ hdprv := rootXPrv.Child(sel, true)
+ if reflect.DeepEqual(hdprv, rootXPrv) {
+ t.Errorf("derived hardened privkey %d is the same as the root", i)
+ }
+ if reflect.DeepEqual(hdprv, dprv) {
+ t.Errorf("derived hardened privkey %d is the same as the unhardened derived privkey", i)
+ }
+ hdpub := hdprv.XPub()
+ if reflect.DeepEqual(hdpub, dpub1) {
+ t.Errorf("pubkey of hardened child %d is the same as pubkey of non-hardened child", i)
+ }
+ sig = hdprv.Sign(msg)
+ doverify(t, hdpub, msg, sig, fmt.Sprintf("pubkey of hardened child %d", i), "derived xprv")
+ }
+}
+
+func doverify(t *testing.T, xpub XPub, msg, sig []byte, xpubdesc, xprvdesc string) {
+ if !xpub.Verify(msg, sig) {
+ t.Errorf("%s cannot verify signature from %s", xpubdesc, xprvdesc)
+ }
+
+ for i := 0; i < 32; i++ {
+ for mask := byte(1); mask != 0; mask <<= 1 {
+ xpub[i] ^= mask
+ if xpub.Verify(msg, sig) {
+ t.Fatalf("altered %s should not verify signature from %s", xpubdesc, xprvdesc)
+ }
+ xpub[i] ^= mask
+ }
+ }
+
+ // permute only 1/7th of the bits to make tests run faster
+ for i := 0; i < len(msg); i += 7 {
+ for mask := byte(1); mask != 0; mask <<= 1 {
+ msg[i] ^= mask
+ if xpub.Verify(msg, sig) {
+ t.Fatalf("%s should not verify signature from %s against altered message", xpubdesc, xprvdesc)
+ }
+ msg[i] ^= mask
+ }
+ }
+
+ for i := 0; i < len(sig); i++ {
+ for mask := byte(1); mask != 0; mask <<= 1 {
+ sig[i] ^= mask
+ if xpub.Verify(msg, sig) {
+ t.Fatalf("%s should not verify altered signature from %s", xpubdesc, xprvdesc)
+ }
+ sig[i] ^= mask
+ }
+ }
+}
+
+func verifyTestVector(t *testing.T, message string, got []byte, want string) {
+ if !bytes.Equal(got, []byte(want)) {
+ t.Errorf("ChainKD Test Vector: %s:\n got = %s\n want = %s", message, got, want)
+ }
+}
+
+func (xpub XPub) hex() []byte {
+ s, _ := xpub.MarshalText()
+ return s
+}
+
+func (xprv XPrv) hex() []byte {
+ s, _ := xprv.MarshalText()
+ return s
+}
+
+func (key ExpandedPrivateKey) hex() []byte {
+ hexBytes := make([]byte, hex.EncodedLen(len(key[:])))
+ hex.Encode(hexBytes, key[:])
+ return hexBytes
+}
+
+func TestBits(t *testing.T) {
+ for i := 0; i < 256; i++ {
+ root := RootXPrv([]byte{byte(i)})
+
+ rootbytes := root.Bytes()
+ if rootbytes[0]&7 != 0 {
+ t.Errorf("ChainKD root key must have low 3 bits set to '000'")
+ }
+ if (rootbytes[31] >> 5) != 2 {
+ t.Errorf("ChainKD root key must have high 3 bits set to '010'")
+ }
+
+ xprv := root
+ for d := 0; d < 1000; d++ { // at least after 1000 levels necessary bits are survived
+ xprv = xprv.Child([]byte("child"), false)
+ xprvbytes := xprv.Bytes()
+
+ if xprvbytes[0]&7 != 0 {
+ t.Errorf("ChainKD non-hardened child key must have low 3 bits set to '000'")
+ }
+ if xprvbytes[31]>>6 != 1 {
+ t.Errorf("ChainKD non-hardened child key must have high 2 bits set to '10' (LE)")
+ }
+
+ hchild := xprv.Child([]byte("hardened child"), true)
+ hchildbytes := hchild.Bytes()
+ if hchildbytes[0]&7 != 0 {
+ t.Errorf("ChainKD hardened key must have low 3 bits set to '000'")
+ }
+ if (hchildbytes[31] >> 5) != 2 {
+ t.Errorf("ChainKD hardened key must have high 3 bits set to '010'")
+ }
+ }
+ }
+}
diff --git a/vendor/github.com/bytom/crypto/ed25519/chainkd/expanded_key.go b/vendor/github.com/bytom/crypto/ed25519/chainkd/expanded_key.go
new file mode 100644
index 00000000..fbc5db13
--- /dev/null
+++ b/vendor/github.com/bytom/crypto/ed25519/chainkd/expanded_key.go
@@ -0,0 +1,102 @@
+// Package chainkd This is an extension to ed25519.Sign that is compatible with NaCl `crypto_sign`
+// function taking 64-byte expanded private key (where the left part is a pre-multiplied
+// scalar and the right part is "prefix" used for generating a nonce).
+//
+// Invariants:
+// 1) Expanded(PrivateKey).Sign() == PrivateKey.Sign()
+// 2) InnerSign(Expanded(PrivateKey)) == Sign(PrivateKey)
+package chainkd
+
+import (
+ "crypto"
+ "crypto/sha512"
+ "errors"
+ "io"
+ "strconv"
+
+ "github.com/bytom/crypto/ed25519"
+ "github.com/bytom/crypto/ed25519/internal/edwards25519"
+)
+
+const (
+ // ExpandedPrivateKeySize is the size, in bytes, of a "secret key" as defined in NaCl.
+ ExpandedPrivateKeySize = 64
+)
+
+// ExpandedPrivateKey is the type of NaCl secret keys. It implements crypto.Signer.
+type ExpandedPrivateKey []byte
+
+// Public returns the PublicKey corresponding to secret key.
+func (priv ExpandedPrivateKey) Public() crypto.PublicKey {
+ var A edwards25519.ExtendedGroupElement
+ var scalar [32]byte
+ copy(scalar[:], priv[:32])
+ edwards25519.GeScalarMultBase(&A, &scalar)
+ var publicKeyBytes [32]byte
+ A.ToBytes(&publicKeyBytes)
+ return ed25519.PublicKey(publicKeyBytes[:])
+}
+
+func expandEd25519PrivateKey(priv ed25519.PrivateKey) ExpandedPrivateKey {
+ digest := sha512.Sum512(priv[:32])
+ digest[0] &= 248
+ digest[31] &= 127
+ digest[31] |= 64
+ return ExpandedPrivateKey(digest[:])
+}
+
+// Sign signs the given message with expanded private key.
+// Ed25519 performs two passes over messages to be signed and therefore cannot
+// handle pre-hashed messages. Thus opts.HashFunc() must return zero to
+// indicate the message hasn't been hashed. This can be achieved by passing
+// crypto.Hash(0) as the value for opts.
+func (priv ExpandedPrivateKey) Sign(rand io.Reader, message []byte, opts crypto.SignerOpts) (signature []byte, err error) {
+ if opts.HashFunc() != crypto.Hash(0) {
+ return nil, errors.New("ed25519: cannot sign hashed message")
+ }
+
+ return Ed25519InnerSign(priv, message), nil
+}
+
+// Ed25519InnerSign signs the message with expanded private key and returns a signature.
+// It will panic if len(privateKey) is not ExpandedPrivateKeySize.
+func Ed25519InnerSign(privateKey ExpandedPrivateKey, message []byte) []byte {
+ if l := len(privateKey); l != ExpandedPrivateKeySize {
+ panic("ed25519: bad private key length: " + strconv.Itoa(l))
+ }
+
+ var messageDigest, hramDigest [64]byte
+
+ h := sha512.New()
+ h.Write(privateKey[32:])
+ h.Write(message)
+ h.Sum(messageDigest[:0])
+
+ var messageDigestReduced [32]byte
+ edwards25519.ScReduce(&messageDigestReduced, &messageDigest)
+ var R edwards25519.ExtendedGroupElement
+ edwards25519.GeScalarMultBase(&R, &messageDigestReduced)
+
+ var encodedR [32]byte
+ R.ToBytes(&encodedR)
+
+ publicKey := privateKey.Public().(ed25519.PublicKey)
+ h.Reset()
+ h.Write(encodedR[:])
+ h.Write(publicKey[:])
+ h.Write(message)
+ h.Sum(hramDigest[:0])
+ var hramDigestReduced [32]byte
+ edwards25519.ScReduce(&hramDigestReduced, &hramDigest)
+
+ var sk [32]byte
+ copy(sk[:], privateKey[:32])
+ var s [32]byte
+ edwards25519.ScMulAdd(&s, &hramDigestReduced, &sk, &messageDigestReduced)
+
+ signature := make([]byte, ed25519.SignatureSize)
+ copy(signature[:], encodedR[:])
+ copy(signature[32:], s[:])
+
+ return signature
+}
diff --git a/vendor/github.com/bytom/crypto/ed25519/chainkd/expanded_key_test.go b/vendor/github.com/bytom/crypto/ed25519/chainkd/expanded_key_test.go
new file mode 100644
index 00000000..355ce1f5
--- /dev/null
+++ b/vendor/github.com/bytom/crypto/ed25519/chainkd/expanded_key_test.go
@@ -0,0 +1,97 @@
+package chainkd
+
+import (
+ "bytes"
+ "crypto"
+ "testing"
+
+ "github.com/bytom/crypto/ed25519"
+)
+
+// Testing basic InnerSign+Verify and the invariants:
+// 1) Expand(PrivateKey).Sign() == PrivateKey.Sign()
+// 2) InnerSign(Expand(PrivateKey)) == Sign(PrivateKey)
+
+type zeroReader struct{}
+
+func (zeroReader) Read(buf []byte) (int, error) {
+ for i := range buf {
+ buf[i] = 0
+ }
+ return len(buf), nil
+}
+
+func TestInnerSignVerify(t *testing.T) {
+ var zero zeroReader
+ public, private, _ := ed25519.GenerateKey(zero)
+ expprivate := expandEd25519PrivateKey(private)
+
+ message := []byte("test message")
+ sig := Ed25519InnerSign(expprivate, message)
+ if !ed25519.Verify(public, message, sig) {
+ t.Errorf("valid signature rejected")
+ }
+
+ wrongMessage := []byte("wrong message")
+ if ed25519.Verify(public, wrongMessage, sig) {
+ t.Errorf("signature of different message accepted")
+ }
+}
+
+func TestExpandedKeySignerInterfaceInvariant(t *testing.T) {
+ var zero zeroReader
+ public, private, _ := ed25519.GenerateKey(zero)
+ expprivate := expandEd25519PrivateKey(private)
+
+ signer1 := crypto.Signer(private)
+ signer2 := crypto.Signer(expprivate)
+
+ publicInterface1 := signer1.Public()
+ publicInterface2 := signer2.Public()
+ public1, ok := publicInterface1.(ed25519.PublicKey)
+ if !ok {
+ t.Fatalf("expected PublicKey from Public() but got %T", publicInterface1)
+ }
+ public2, ok := publicInterface2.(ed25519.PublicKey)
+ if !ok {
+ t.Fatalf("expected PublicKey from Public() but got %T", publicInterface2)
+ }
+
+ if !bytes.Equal(public, public1) {
+ t.Errorf("public keys do not match: original:%x vs Public():%x", public, public1)
+ }
+ if !bytes.Equal(public, public2) {
+ t.Errorf("public keys do not match: original:%x vs Public():%x", public, public2)
+ }
+
+ message := []byte("message")
+ var noHash crypto.Hash
+ signature1, err := signer1.Sign(zero, message, noHash)
+ if err != nil {
+ t.Fatalf("error from Sign(): %s", err)
+ }
+ signature2, err := signer2.Sign(zero, message, noHash)
+ if err != nil {
+ t.Fatalf("error from Sign(): %s", err)
+ }
+ if !bytes.Equal(signature1[:], signature2[:]) {
+ t.Errorf(".Sign() should return identical signatures for Signer(privkey) and Signer(Expand(privkey))")
+ }
+ if !ed25519.Verify(public, message, signature1) {
+ t.Errorf("Verify failed on signature from Sign()")
+ }
+}
+
+func TestInnerSignInvariant(t *testing.T) {
+ var zero zeroReader
+ _, private, _ := ed25519.GenerateKey(zero)
+ expprivate := expandEd25519PrivateKey(private)
+
+ message := []byte("test message")
+ sig1 := ed25519.Sign(private, message)
+ sig2 := Ed25519InnerSign(expprivate, message)
+
+ if !bytes.Equal(sig1[:], sig2[:]) {
+ t.Errorf("InnerSign(Expand(privkey)) must return the same as Sign(privkey)")
+ }
+}
diff --git a/vendor/github.com/bytom/crypto/ed25519/chainkd/serialize.go b/vendor/github.com/bytom/crypto/ed25519/chainkd/serialize.go
new file mode 100644
index 00000000..81b435ad
--- /dev/null
+++ b/vendor/github.com/bytom/crypto/ed25519/chainkd/serialize.go
@@ -0,0 +1,60 @@
+package chainkd
+
+import (
+ "encoding/hex"
+ "errors"
+)
+
+const (
+ extendedPublicKeySize = 64
+ extendedPrivateKeySize = 64
+)
+
+var (
+ ErrBadKeyLen = errors.New("bad key length")
+ ErrBadKeyStr = errors.New("bad key string")
+)
+
+func (xpub XPub) MarshalText() ([]byte, error) {
+ hexBytes := make([]byte, hex.EncodedLen(len(xpub.Bytes())))
+ hex.Encode(hexBytes, xpub.Bytes())
+ return hexBytes, nil
+}
+
+func (xpub XPub) Bytes() []byte {
+ return xpub[:]
+}
+
+func (xprv XPrv) MarshalText() ([]byte, error) {
+ hexBytes := make([]byte, hex.EncodedLen(len(xprv.Bytes())))
+ hex.Encode(hexBytes, xprv.Bytes())
+ return hexBytes, nil
+}
+
+func (xprv XPrv) Bytes() []byte {
+ return xprv[:]
+}
+
+func (xpub *XPub) UnmarshalText(inp []byte) error {
+ if len(inp) != 2*extendedPublicKeySize {
+ return ErrBadKeyStr
+ }
+ _, err := hex.Decode(xpub[:], inp)
+ return err
+}
+
+func (xpub XPub) String() string {
+ return hex.EncodeToString(xpub.Bytes())
+}
+
+func (xprv *XPrv) UnmarshalText(inp []byte) error {
+ if len(inp) != 2*extendedPrivateKeySize {
+ return ErrBadKeyStr
+ }
+ _, err := hex.Decode(xprv[:], inp)
+ return err
+}
+
+func (xprv XPrv) String() string {
+ return hex.EncodeToString(xprv.Bytes())
+}
diff --git a/vendor/github.com/bytom/crypto/ed25519/chainkd/serialize_test.go b/vendor/github.com/bytom/crypto/ed25519/chainkd/serialize_test.go
new file mode 100644
index 00000000..142549d4
--- /dev/null
+++ b/vendor/github.com/bytom/crypto/ed25519/chainkd/serialize_test.go
@@ -0,0 +1,37 @@
+package chainkd
+
+import (
+ "bytes"
+ "encoding/hex"
+ "encoding/json"
+ "reflect"
+ "testing"
+)
+
+func TestMarshalingFuncs(t *testing.T) {
+ xprv, err := NewXPrv(nil)
+ if err != nil {
+ t.Fatal(err)
+ }
+
+ want := make([]byte, hex.EncodedLen(len(xprv.Bytes())))
+ hex.Encode(want, xprv.Bytes())
+
+ got, err := json.Marshal(xprv)
+ if err != nil {
+ t.Fatal(err)
+ }
+ // First and last bytes are "
+ if !reflect.DeepEqual(want, got[1:len(got)-1]) {
+ t.Errorf("marshaling error: want = %+v, got = %+v", want, got)
+ }
+
+ secXprv := new(XPrv)
+ err = json.Unmarshal(got, &secXprv)
+ if err != nil {
+ t.Fatal(err)
+ }
+ if !bytes.Equal(xprv[:], secXprv[:]) {
+ t.Errorf("unmarshaling error: want = %+v, got = %+v", xprv, secXprv)
+ }
+}
diff --git a/vendor/github.com/bytom/crypto/ed25519/chainkd/util.go b/vendor/github.com/bytom/crypto/ed25519/chainkd/util.go
new file mode 100644
index 00000000..194b20e0
--- /dev/null
+++ b/vendor/github.com/bytom/crypto/ed25519/chainkd/util.go
@@ -0,0 +1,34 @@
+package chainkd
+
+import (
+ "io"
+
+ "github.com/bytom/crypto/ed25519"
+)
+
+// Utility functions
+
+func NewXKeys(r io.Reader) (xprv XPrv, xpub XPub, err error) {
+ xprv, err = NewXPrv(r)
+ if err != nil {
+ return
+ }
+ return xprv, xprv.XPub(), nil
+}
+
+func XPubKeys(xpubs []XPub) []ed25519.PublicKey {
+ res := make([]ed25519.PublicKey, 0, len(xpubs))
+ for _, xpub := range xpubs {
+ res = append(res, xpub.PublicKey())
+ }
+ return res
+}
+
+func DeriveXPubs(xpubs []XPub, path [][]byte) []XPub {
+ res := make([]XPub, 0, len(xpubs))
+ for _, xpub := range xpubs {
+ d := xpub.Derive(path)
+ res = append(res, d)
+ }
+ return res
+}
diff --git a/vendor/github.com/bytom/crypto/ed25519/ecmath/point.go b/vendor/github.com/bytom/crypto/ed25519/ecmath/point.go
new file mode 100644
index 00000000..9ec0d75b
--- /dev/null
+++ b/vendor/github.com/bytom/crypto/ed25519/ecmath/point.go
@@ -0,0 +1,91 @@
+package ecmath
+
+import (
+ "crypto/subtle"
+
+ "github.com/bytom/crypto/ed25519/internal/edwards25519"
+)
+
+// Point is a point on the ed25519 curve.
+type Point edwards25519.ExtendedGroupElement
+
+// ZeroPoint is the zero point on the ed25519 curve (not the zero value of Point).
+var ZeroPoint Point
+
+// Add adds the points in x and y, storing the result in z and
+// returning that. Any or all of x, y, and z may be the same pointers.
+func (z *Point) Add(x, y *Point) *Point {
+ var y2 edwards25519.CachedGroupElement
+ (*edwards25519.ExtendedGroupElement)(y).ToCached(&y2)
+
+ var z2 edwards25519.CompletedGroupElement
+ edwards25519.GeAdd(&z2, (*edwards25519.ExtendedGroupElement)(x), &y2)
+
+ z2.ToExtended((*edwards25519.ExtendedGroupElement)(z))
+ return z
+}
+
+// Sub subtracts y from x, storing the result in z and
+// returning that. Any or all of x, y, and z may be the same pointers.
+func (z *Point) Sub(x, y *Point) *Point {
+ var y2 edwards25519.CachedGroupElement
+ (*edwards25519.ExtendedGroupElement)(y).ToCached(&y2)
+
+ var z2 edwards25519.CompletedGroupElement
+ edwards25519.GeSub(&z2, (*edwards25519.ExtendedGroupElement)(x), &y2)
+
+ z2.ToExtended((*edwards25519.ExtendedGroupElement)(z))
+ return z
+}
+
+// ScMul multiplies the EC point x by the scalar y, placing the result
+// in z and returning that. X and z may be the same pointer.
+func (z *Point) ScMul(x *Point, y *Scalar) *Point {
+ return z.ScMulAdd(x, y, &Zero)
+}
+
+// ScMulBase multiplies the ed25519 base point by x and places the
+// result in z, returning that.
+func (z *Point) ScMulBase(x *Scalar) *Point {
+ edwards25519.GeScalarMultBase((*edwards25519.ExtendedGroupElement)(z), (*[32]byte)(x))
+ return z
+}
+
+// ScMulAdd computes xa+yB, where B is the ed25519 base point, and
+// places the result in z, returning that.
+func (z *Point) ScMulAdd(a *Point, x, y *Scalar) *Point {
+ // TODO: replace with constant-time implementation to avoid
+ // sidechannel attacks
+
+ var p edwards25519.ProjectiveGroupElement
+ edwards25519.GeDoubleScalarMultVartime(&p, (*[32]byte)(x), (*edwards25519.ExtendedGroupElement)(a), (*[32]byte)(y))
+
+ var buf [32]byte
+ p.ToBytes(&buf)
+ // TODO(bobg): double-check that it's OK to ignore the return value
+ // from ExtendedGroupElement.FromBytes here. (It's a bool indicating
+ // that its input represented a legal value.)
+ (*edwards25519.ExtendedGroupElement)(z).FromBytes(&buf)
+ return z
+}
+
+func (z *Point) Encode() [32]byte {
+ var e [32]byte
+ (*edwards25519.ExtendedGroupElement)(z).ToBytes(&e)
+ return e
+}
+
+func (z *Point) Decode(e [32]byte) (*Point, bool) {
+ ok := (*edwards25519.ExtendedGroupElement)(z).FromBytes(&e)
+ return z, ok
+}
+
+func (z *Point) ConstTimeEqual(x *Point) bool {
+ xe := x.Encode()
+ ze := z.Encode()
+ return subtle.ConstantTimeCompare(xe[:], ze[:]) == 1
+}
+
+func init() {
+ (*edwards25519.ExtendedGroupElement)(&ZeroPoint).Zero()
+}
diff --git a/vendor/github.com/bytom/crypto/ed25519/ecmath/point_test.go b/vendor/github.com/bytom/crypto/ed25519/ecmath/point_test.go
new file mode 100644
index 00000000..4de539a6
--- /dev/null
+++ b/vendor/github.com/bytom/crypto/ed25519/ecmath/point_test.go
@@ -0,0 +1,44 @@
+package ecmath
+
+import "testing"
+
+// base is the ed25519 base point
+var base Point
+
+func init() {
+ base.ScMulBase(&One)
+}
+
+func TestBasePointArith(t *testing.T) {
+ var base1 Point
+ base1.ScMul(&base, &One)
+ if !base.ConstTimeEqual(&base1) {
+ ebase := base.Encode()
+ ebase1 := base1.Encode()
+ t.Errorf("base [%x] != 1*base [%x]", ebase[:], ebase1[:])
+ }
+
+ Two := One
+ Two.Add(&Two, &One)
+
+ base2a := base
+ base2a.Add(&base2a, &base)
+
+ base2b := base
+ base2b.ScMul(&base2b, &Two)
+
+ if !base2a.ConstTimeEqual(&base2b) {
+ ebase2a := base2a.Encode()
+ ebase2b := base2b.Encode()
+ t.Errorf("base+base [%x] != 2*base [%x] (1)", ebase2a[:], ebase2b[:])
+ }
+
+ var base2c Point
+ base2c.ScMulBase(&Two)
+
+ if !base2a.ConstTimeEqual(&base2c) {
+ ebase2a := base2a.Encode()
+ ebase2c := base2c.Encode()
+ t.Errorf("base+base [%x] != 2*base [%x] (2)", ebase2a[:], ebase2c[:])
+ }
+}
diff --git a/vendor/github.com/bytom/crypto/ed25519/ecmath/scalar.go b/vendor/github.com/bytom/crypto/ed25519/ecmath/scalar.go
new file mode 100644
index 00000000..651f2caa
--- /dev/null
+++ b/vendor/github.com/bytom/crypto/ed25519/ecmath/scalar.go
@@ -0,0 +1,78 @@
+package ecmath
+
+import (
+ "crypto/subtle"
+
+ "github.com/bytom/crypto/ed25519/internal/edwards25519"
+)
+
+// Scalar is a 256-bit little-endian scalar.
+type Scalar [32]byte
+
+var (
+ // Zero is the number 0.
+ Zero Scalar
+
+ // One is the number 1.
+ One = Scalar{1}
+
+ // NegOne is the number -1 mod L
+ NegOne = Scalar{
+ 0xec, 0xd3, 0xf5, 0x5c, 0x1a, 0x63, 0x12, 0x58,
+ 0xd6, 0x9c, 0xf7, 0xa2, 0xde, 0xf9, 0xde, 0x14,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10,
+ }
+
+ // L is the subgroup order:
+ // 2^252 + 27742317777372353535851937790883648493
+ L = Scalar{
+ 0xed, 0xd3, 0xf5, 0x5c, 0x1a, 0x63, 0x12, 0x58,
+ 0xd6, 0x9c, 0xf7, 0xa2, 0xde, 0xf9, 0xde, 0x14,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10,
+ }
+)
+
+// Add computes x+y (mod L) and places the result in z, returning
+// that. Any or all of x, y, and z may be the same pointer.
+func (z *Scalar) Add(x, y *Scalar) *Scalar {
+ return z.MulAdd(x, &One, y)
+}
+
+// Sub computes x-y (mod L) and places the result in z, returning
+// that. Any or all of x, y, and z may be the same pointer.
+func (z *Scalar) Sub(x, y *Scalar) *Scalar {
+ return z.MulAdd(y, &NegOne, x)
+}
+
+// Neg negates x (mod L) and places the result in z, returning that. X
+// and z may be the same pointer.
+func (z *Scalar) Neg(x *Scalar) *Scalar {
+ return z.MulAdd(x, &NegOne, &Zero)
+}
+
+// MulAdd computes ab+c (mod L) and places the result in z, returning
+// that. Any or all of the pointers may be the same.
+func (z *Scalar) MulAdd(a, b, c *Scalar) *Scalar {
+ edwards25519.ScMulAdd((*[32]byte)(z), (*[32]byte)(a), (*[32]byte)(b), (*[32]byte)(c))
+ return z
+}
+
+func (z *Scalar) Equal(x *Scalar) bool {
+ return subtle.ConstantTimeCompare(x[:], z[:]) == 1
+}
+
+// Prune performs the pruning operation in-place.
+func (z *Scalar) Prune() {
+ z[0] &= 248
+ z[31] &= 127
+ z[31] |= 64
+}
+
+// Reduce takes a 512-bit scalar and reduces it mod L, placing the
+// result in z and returning that.
+func (z *Scalar) Reduce(x *[64]byte) *Scalar {
+ edwards25519.ScReduce((*[32]byte)(z), x)
+ return z
+}
diff --git a/vendor/github.com/bytom/crypto/ed25519/ed25519.go b/vendor/github.com/bytom/crypto/ed25519/ed25519.go
new file mode 100644
index 00000000..a41d10ad
--- /dev/null
+++ b/vendor/github.com/bytom/crypto/ed25519/ed25519.go
@@ -0,0 +1,206 @@
+// Package ed25519 implements the Ed25519 signature algorithm. See
+// http://ed25519.cr.yp.to/.
+//
+// These functions are also compatible with the âEd25519â function defined in
+// https://tools.ietf.org/html/draft-irtf-cfrg-eddsa-05.
+package ed25519
+
+// This code is a port of the public domain, âref10â implementation of ed25519
+// from SUPERCOP.
+
+import (
+ cryptorand "crypto/rand"
+ "crypto/sha512"
+ "crypto/subtle"
+ "encoding/hex"
+ "io"
+ "strconv"
+
+ "github.com/bytom/crypto/ed25519/internal/edwards25519"
+)
+
+const (
+ // PublicKeySize is the size, in bytes, of public keys as used in this package.
+ PublicKeySize = 32
+ // PrivateKeySize is the size, in bytes, of private keys as used in this package.
+ PrivateKeySize = 64
+ // SignatureSize is the size, in bytes, of signatures generated and verified by this package.
+ SignatureSize = 64
+ // SeedSize is the size, in bytes, of private key seeds. These are the private key representations used by RFC 8032.
+ SeedSize = 32
+)
+
+// PublicKey is the type of Ed25519 public keys.
+type PublicKey []byte
+
+// PrivateKey is the type of Ed25519 private keys. It implements crypto.Signer.
+type PrivateKey []byte
+
+// Public returns the PublicKey corresponding to priv.
+func (priv PrivateKey) Public() PublicKey {
+ publicKey := make([]byte, PublicKeySize)
+ copy(publicKey, priv[32:])
+ return PublicKey(publicKey)
+}
+
+// Seed returns the private key seed corresponding to priv. It is provided for
+// interoperability with RFC 8032. RFC 8032's private keys correspond to seeds
+// in this package.
+func (priv PrivateKey) Seed() []byte {
+ seed := make([]byte, SeedSize)
+ copy(seed, priv[:32])
+ return seed
+}
+
+func (priv PrivateKey) String() string {
+ return hex.EncodeToString(priv)
+}
+
+// GenerateKey generates a public/private key pair using entropy from rand.
+// If rand is nil, crypto/rand.Reader will be used.
+func GenerateKey(rand io.Reader) (publicKey PublicKey, privateKey PrivateKey, err error) {
+ if rand == nil {
+ rand = cryptorand.Reader
+ }
+
+ privateKey = make([]byte, PrivateKeySize)
+ publicKey = make([]byte, PublicKeySize)
+ _, err = io.ReadFull(rand, privateKey[:32])
+ if err != nil {
+ return nil, nil, err
+ }
+
+ digest := sha512.Sum512(privateKey[:32])
+ digest[0] &= 248
+ digest[31] &= 127
+ digest[31] |= 64
+
+ var A edwards25519.ExtendedGroupElement
+ var hBytes [32]byte
+ copy(hBytes[:], digest[:])
+ edwards25519.GeScalarMultBase(&A, &hBytes)
+ var publicKeyBytes [32]byte
+ A.ToBytes(&publicKeyBytes)
+
+ copy(privateKey[32:], publicKeyBytes[:])
+ copy(publicKey, publicKeyBytes[:])
+
+ return publicKey, privateKey, nil
+}
+
+// NewKeyFromSeed calculates a private key from a seed. It will panic if
+// len(seed) is not SeedSize. This function is provided for interoperability
+// with RFC 8032. RFC 8032's private keys correspond to seeds in this
+// package.
+func NewKeyFromSeed(seed []byte) PrivateKey {
+ if l := len(seed); l != SeedSize {
+ panic("ed25519: bad seed length: " + strconv.Itoa(l))
+ }
+
+ digest := sha512.Sum512(seed)
+ digest[0] &= 248
+ digest[31] &= 127
+ digest[31] |= 64
+
+ var A edwards25519.ExtendedGroupElement
+ var hBytes [32]byte
+ copy(hBytes[:], digest[:])
+ edwards25519.GeScalarMultBase(&A, &hBytes)
+ var publicKeyBytes [32]byte
+ A.ToBytes(&publicKeyBytes)
+
+ privateKey := make([]byte, PrivateKeySize)
+ copy(privateKey, seed)
+ copy(privateKey[32:], publicKeyBytes[:])
+
+ return privateKey
+}
+
+// Sign signs the message with privateKey and returns a signature. It will
+// panic if len(privateKey) is not PrivateKeySize.
+func Sign(privateKey PrivateKey, message []byte) []byte {
+ if l := len(privateKey); l != PrivateKeySize {
+ panic("ed25519: bad private key length: " + strconv.Itoa(l))
+ }
+
+ h := sha512.New()
+ h.Write(privateKey[:32])
+
+ var digest1, messageDigest, hramDigest [64]byte
+ var expandedSecretKey [32]byte
+ h.Sum(digest1[:0])
+ copy(expandedSecretKey[:], digest1[:])
+ expandedSecretKey[0] &= 248
+ expandedSecretKey[31] &= 63
+ expandedSecretKey[31] |= 64
+
+ h.Reset()
+ h.Write(digest1[32:])
+ h.Write(message)
+ h.Sum(messageDigest[:0])
+
+ var messageDigestReduced [32]byte
+ edwards25519.ScReduce(&messageDigestReduced, &messageDigest)
+ var R edwards25519.ExtendedGroupElement
+ edwards25519.GeScalarMultBase(&R, &messageDigestReduced)
+
+ var encodedR [32]byte
+ R.ToBytes(&encodedR)
+
+ h.Reset()
+ h.Write(encodedR[:])
+ h.Write(privateKey[32:])
+ h.Write(message)
+ h.Sum(hramDigest[:0])
+ var hramDigestReduced [32]byte
+ edwards25519.ScReduce(&hramDigestReduced, &hramDigest)
+
+ var s [32]byte
+ edwards25519.ScMulAdd(&s, &hramDigestReduced, &expandedSecretKey, &messageDigestReduced)
+
+ signature := make([]byte, SignatureSize)
+ copy(signature[:], encodedR[:])
+ copy(signature[32:], s[:])
+
+ return signature
+}
+
+// Verify reports whether sig is a valid signature of message by publicKey. It
+// will panic if len(publicKey) is not PublicKeySize.
+func Verify(publicKey PublicKey, message, sig []byte) bool {
+ if l := len(publicKey); l != PublicKeySize {
+ panic("ed25519: bad public key length: " + strconv.Itoa(l))
+ }
+
+ if len(sig) != SignatureSize || sig[63]&224 != 0 {
+ return false
+ }
+
+ var A edwards25519.ExtendedGroupElement
+ var publicKeyBytes [32]byte
+ copy(publicKeyBytes[:], publicKey)
+ if !A.FromBytes(&publicKeyBytes) {
+ return false
+ }
+ edwards25519.FeNeg(&A.X, &A.X)
+ edwards25519.FeNeg(&A.T, &A.T)
+
+ h := sha512.New()
+ h.Write(sig[:32])
+ h.Write(publicKey[:])
+ h.Write(message)
+ var digest [64]byte
+ h.Sum(digest[:0])
+
+ var hReduced [32]byte
+ edwards25519.ScReduce(&hReduced, &digest)
+
+ var R edwards25519.ProjectiveGroupElement
+ var b [32]byte
+ copy(b[:], sig[32:])
+ edwards25519.GeDoubleScalarMultVartime(&R, &hReduced, &A, &b)
+
+ var checkR [32]byte
+ R.ToBytes(&checkR)
+ return subtle.ConstantTimeCompare(sig[:32], checkR[:]) == 1
+}
diff --git a/vendor/github.com/bytom/crypto/ed25519/ed25519_test.go b/vendor/github.com/bytom/crypto/ed25519/ed25519_test.go
new file mode 100644
index 00000000..e0d5a1da
--- /dev/null
+++ b/vendor/github.com/bytom/crypto/ed25519/ed25519_test.go
@@ -0,0 +1,155 @@
+// Copyright 2016 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file at
+// https://github.com/golang/crypto/blob/master/LICENSE.
+
+package ed25519
+
+import (
+ "bufio"
+ "bytes"
+ "compress/gzip"
+ "crypto/rand"
+ "encoding/hex"
+ "os"
+ "strings"
+ "testing"
+
+ "github.com/bytom/crypto/ed25519/internal/edwards25519"
+)
+
+type zeroReader struct{}
+
+func (zeroReader) Read(buf []byte) (int, error) {
+ for i := range buf {
+ buf[i] = 0
+ }
+ return len(buf), nil
+}
+
+func TestUnmarshalMarshal(t *testing.T) {
+ pub, _, _ := GenerateKey(rand.Reader)
+
+ var A edwards25519.ExtendedGroupElement
+ var pubBytes [32]byte
+ copy(pubBytes[:], pub)
+ if !A.FromBytes(&pubBytes) {
+ t.Fatalf("ExtendedGroupElement.FromBytes failed")
+ }
+
+ var pub2 [32]byte
+ A.ToBytes(&pub2)
+
+ if pubBytes != pub2 {
+ t.Errorf("FromBytes(%v)->ToBytes does not round-trip, got %x\n", pubBytes, pub2)
+ }
+}
+
+func TestSignVerify(t *testing.T) {
+ var zero zeroReader
+ public, private, _ := GenerateKey(zero)
+
+ message := []byte("test message")
+ sig := Sign(private, message)
+ if !Verify(public, message, sig) {
+ t.Errorf("valid signature rejected")
+ }
+
+ wrongMessage := []byte("wrong message")
+ if Verify(public, wrongMessage, sig) {
+ t.Errorf("signature of different message accepted")
+ }
+}
+
+func TestGolden(t *testing.T) {
+ // sign.input.gz is a selection of test cases from
+ // http://ed25519.cr.yp.to/python/sign.input
+ testDataZ, err := os.Open("testdata/sign.input.gz")
+ if err != nil {
+ t.Fatal(err)
+ }
+ defer testDataZ.Close()
+ testData, err := gzip.NewReader(testDataZ)
+ if err != nil {
+ t.Fatal(err)
+ }
+ defer testData.Close()
+
+ scanner := bufio.NewScanner(testData)
+ lineNo := 0
+
+ for scanner.Scan() {
+ lineNo++
+
+ line := scanner.Text()
+ parts := strings.Split(line, ":")
+ if len(parts) != 5 {
+ t.Fatalf("bad number of parts on line %d", lineNo)
+ }
+
+ privBytes, _ := hex.DecodeString(parts[0])
+ pubKey, _ := hex.DecodeString(parts[1])
+ msg, _ := hex.DecodeString(parts[2])
+ sig, _ := hex.DecodeString(parts[3])
+ // The signatures in the test vectors also include the message
+ // at the end, but we just want R and S.
+ sig = sig[:SignatureSize]
+
+ if l := len(pubKey); l != PublicKeySize {
+ t.Fatalf("bad public key length on line %d: got %d bytes", lineNo, l)
+ }
+
+ var priv [PrivateKeySize]byte
+ copy(priv[:], privBytes)
+ copy(priv[32:], pubKey)
+
+ sig2 := Sign(priv[:], msg)
+ if !bytes.Equal(sig, sig2[:]) {
+ t.Errorf("different signature result on line %d: %x vs %x", lineNo, sig, sig2)
+ }
+
+ if !Verify(pubKey, msg, sig2) {
+ t.Errorf("signature failed to verify on line %d", lineNo)
+ }
+ }
+
+ if err := scanner.Err(); err != nil {
+ t.Fatalf("error reading test data: %s", err)
+ }
+}
+
+func BenchmarkKeyGeneration(b *testing.B) {
+ var zero zeroReader
+ for i := 0; i < b.N; i++ {
+ if _, _, err := GenerateKey(zero); err != nil {
+ b.Fatal(err)
+ }
+ }
+}
+
+func BenchmarkSigning(b *testing.B) {
+ var zero zeroReader
+ _, priv, err := GenerateKey(zero)
+ if err != nil {
+ b.Fatal(err)
+ }
+ message := []byte("Hello, world!")
+ b.ResetTimer()
+ for i := 0; i < b.N; i++ {
+ Sign(priv, message)
+ }
+}
+
+func BenchmarkVerification(b *testing.B) {
+ var zero zeroReader
+ pub, priv, err := GenerateKey(zero)
+ if err != nil {
+ b.Fatal(err)
+ }
+ message := []byte("Hello, world!")
+ signature := Sign(priv, message)
+ b.ResetTimer()
+ for i := 0; i < b.N; i++ {
+ Verify(pub, message, signature)
+ }
+}
diff --git a/vendor/github.com/bytom/crypto/ed25519/internal/edwards25519/chain_export.go b/vendor/github.com/bytom/crypto/ed25519/internal/edwards25519/chain_export.go
new file mode 100644
index 00000000..da88750b
--- /dev/null
+++ b/vendor/github.com/bytom/crypto/ed25519/internal/edwards25519/chain_export.go
@@ -0,0 +1,6 @@
+package edwards25519
+
+var (
+ GeAdd = geAdd
+ GeSub = geSub
+)
diff --git a/vendor/github.com/bytom/crypto/ed25519/internal/edwards25519/const.go b/vendor/github.com/bytom/crypto/ed25519/internal/edwards25519/const.go
new file mode 100644
index 00000000..a0985639
--- /dev/null
+++ b/vendor/github.com/bytom/crypto/ed25519/internal/edwards25519/const.go
@@ -0,0 +1,1418 @@
+package edwards25519
+
+// These values are from the public domain, âref10â implementation of ed25519
+// from SUPERCOP.
+
+// d is a constant in the Edwards curve equation.
+var d = FieldElement{
+ -10913610, 13857413, -15372611, 6949391, 114729, -8787816, -6275908, -3247719, -18696448, -12055116,
+}
+
+// d2 is 2*d.
+var d2 = FieldElement{
+ -21827239, -5839606, -30745221, 13898782, 229458, 15978800, -12551817, -6495438, 29715968, 9444199,
+}
+
+// SqrtM1 is the square-root of -1 in the field.
+var SqrtM1 = FieldElement{
+ -32595792, -7943725, 9377950, 3500415, 12389472, -272473, -25146209, -2005654, 326686, 11406482,
+}
+
+// A is a constant in the Montgomery-form of curve25519.
+var A = FieldElement{
+ 486662, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+}
+
+// bi contains precomputed multiples of the base-point. See the Ed25519 paper
+// for a discussion about how these values are used.
+var bi = [8]PreComputedGroupElement{
+ {
+ FieldElement{25967493, -14356035, 29566456, 3660896, -12694345, 4014787, 27544626, -11754271, -6079156, 2047605},
+ FieldElement{-12545711, 934262, -2722910, 3049990, -727428, 9406986, 12720692, 5043384, 19500929, -15469378},
+ FieldElement{-8738181, 4489570, 9688441, -14785194, 10184609, -12363380, 29287919, 11864899, -24514362, -4438546},
+ },
+ {
+ FieldElement{15636291, -9688557, 24204773, -7912398, 616977, -16685262, 27787600, -14772189, 28944400, -1550024},
+ FieldElement{16568933, 4717097, -11556148, -1102322, 15682896, -11807043, 16354577, -11775962, 7689662, 11199574},
+ FieldElement{30464156, -5976125, -11779434, -15670865, 23220365, 15915852, 7512774, 10017326, -17749093, -9920357},
+ },
+ {
+ FieldElement{10861363, 11473154, 27284546, 1981175, -30064349, 12577861, 32867885, 14515107, -15438304, 10819380},
+ FieldElement{4708026, 6336745, 20377586, 9066809, -11272109, 6594696, -25653668, 12483688, -12668491, 5581306},
+ FieldElement{19563160, 16186464, -29386857, 4097519, 10237984, -4348115, 28542350, 13850243, -23678021, -15815942},
+ },
+ {
+ FieldElement{5153746, 9909285, 1723747, -2777874, 30523605, 5516873, 19480852, 5230134, -23952439, -15175766},
+ FieldElement{-30269007, -3463509, 7665486, 10083793, 28475525, 1649722, 20654025, 16520125, 30598449, 7715701},
+ FieldElement{28881845, 14381568, 9657904, 3680757, -20181635, 7843316, -31400660, 1370708, 29794553, -1409300},
+ },
+ {
+ FieldElement{-22518993, -6692182, 14201702, -8745502, -23510406, 8844726, 18474211, -1361450, -13062696, 13821877},
+ FieldElement{-6455177, -7839871, 3374702, -4740862, -27098617, -10571707, 31655028, -7212327, 18853322, -14220951},
+ FieldElement{4566830, -12963868, -28974889, -12240689, -7602672, -2830569, -8514358, -10431137, 2207753, -3209784},
+ },
+ {
+ FieldElement{-25154831, -4185821, 29681144, 7868801, -6854661, -9423865, -12437364, -663000, -31111463, -16132436},
+ FieldElement{25576264, -2703214, 7349804, -11814844, 16472782, 9300885, 3844789, 15725684, 171356, 6466918},
+ FieldElement{23103977, 13316479, 9739013, -16149481, 817875, -15038942, 8965339, -14088058, -30714912, 16193877},
+ },
+ {
+ FieldElement{-33521811, 3180713, -2394130, 14003687, -16903474, -16270840, 17238398, 4729455, -18074513, 9256800},
+ FieldElement{-25182317, -4174131, 32336398, 5036987, -21236817, 11360617, 22616405, 9761698, -19827198, 630305},
+ FieldElement{-13720693, 2639453, -24237460, -7406481, 9494427, -5774029, -6554551, -15960994, -2449256, -14291300},
+ },
+ {
+ FieldElement{-3151181, -5046075, 9282714, 6866145, -31907062, -863023, -18940575, 15033784, 25105118, -7894876},
+ FieldElement{-24326370, 15950226, -31801215, -14592823, -11662737, -5090925, 1573892, -2625887, 2198790, -15804619},
+ FieldElement{-3099351, 10324967, -2241613, 7453183, -5446979, -2735503, -13812022, -16236442, -32461234, -12290683},
+ },
+}
+
+// base contains precomputed multiples of the base-point. See the Ed25519 paper
+// for a discussion about how these values are used.
+var base = [32][8]PreComputedGroupElement{
+ {
+ {
+ FieldElement{25967493, -14356035, 29566456, 3660896, -12694345, 4014787, 27544626, -11754271, -6079156, 2047605},
+ FieldElement{-12545711, 934262, -2722910, 3049990, -727428, 9406986, 12720692, 5043384, 19500929, -15469378},
+ FieldElement{-8738181, 4489570, 9688441, -14785194, 10184609, -12363380, 29287919, 11864899, -24514362, -4438546},
+ },
+ {
+ FieldElement{-12815894, -12976347, -21581243, 11784320, -25355658, -2750717, -11717903, -3814571, -358445, -10211303},
+ FieldElement{-21703237, 6903825, 27185491, 6451973, -29577724, -9554005, -15616551, 11189268, -26829678, -5319081},
+ FieldElement{26966642, 11152617, 32442495, 15396054, 14353839, -12752335, -3128826, -9541118, -15472047, -4166697},
+ },
+ {
+ FieldElement{15636291, -9688557, 24204773, -7912398, 616977, -16685262, 27787600, -14772189, 28944400, -1550024},
+ FieldElement{16568933, 4717097, -11556148, -1102322, 15682896, -11807043, 16354577, -11775962, 7689662, 11199574},
+ FieldElement{30464156, -5976125, -11779434, -15670865, 23220365, 15915852, 7512774, 10017326, -17749093, -9920357},
+ },
+ {
+ FieldElement{-17036878, 13921892, 10945806, -6033431, 27105052, -16084379, -28926210, 15006023, 3284568, -6276540},
+ FieldElement{23599295, -8306047, -11193664, -7687416, 13236774, 10506355, 7464579, 9656445, 13059162, 10374397},
+ FieldElement{7798556, 16710257, 3033922, 2874086, 28997861, 2835604, 32406664, -3839045, -641708, -101325},
+ },
+ {
+ FieldElement{10861363, 11473154, 27284546, 1981175, -30064349, 12577861, 32867885, 14515107, -15438304, 10819380},
+ FieldElement{4708026, 6336745, 20377586, 9066809, -11272109, 6594696, -25653668, 12483688, -12668491, 5581306},
+ FieldElement{19563160, 16186464, -29386857, 4097519, 10237984, -4348115, 28542350, 13850243, -23678021, -15815942},
+ },
+ {
+ FieldElement{-15371964, -12862754, 32573250, 4720197, -26436522, 5875511, -19188627, -15224819, -9818940, -12085777},
+ FieldElement{-8549212, 109983, 15149363, 2178705, 22900618, 4543417, 3044240, -15689887, 1762328, 14866737},
+ FieldElement{-18199695, -15951423, -10473290, 1707278, -17185920, 3916101, -28236412, 3959421, 27914454, 4383652},
+ },
+ {
+ FieldElement{5153746, 9909285, 1723747, -2777874, 30523605, 5516873, 19480852, 5230134, -23952439, -15175766},
+ FieldElement{-30269007, -3463509, 7665486, 10083793, 28475525, 1649722, 20654025, 16520125, 30598449, 7715701},
+ FieldElement{28881845, 14381568, 9657904, 3680757, -20181635, 7843316, -31400660, 1370708, 29794553, -1409300},
+ },
+ {
+ FieldElement{14499471, -2729599, -33191113, -4254652, 28494862, 14271267, 30290735, 10876454, -33154098, 2381726},
+ FieldElement{-7195431, -2655363, -14730155, 462251, -27724326, 3941372, -6236617, 3696005, -32300832, 15351955},
+ FieldElement{27431194, 8222322, 16448760, -3907995, -18707002, 11938355, -32961401, -2970515, 29551813, 10109425},
+ },
+ },
+ {
+ {
+ FieldElement{-13657040, -13155431, -31283750, 11777098, 21447386, 6519384, -2378284, -1627556, 10092783, -4764171},
+ FieldElement{27939166, 14210322, 4677035, 16277044, -22964462, -12398139, -32508754, 12005538, -17810127, 12803510},
+ FieldElement{17228999, -15661624, -1233527, 300140, -1224870, -11714777, 30364213, -9038194, 18016357, 4397660},
+ },
+ {
+ FieldElement{-10958843, -7690207, 4776341, -14954238, 27850028, -15602212, -26619106, 14544525, -17477504, 982639},
+ FieldElement{29253598, 15796703, -2863982, -9908884, 10057023, 3163536, 7332899, -4120128, -21047696, 9934963},
+ FieldElement{5793303, 16271923, -24131614, -10116404, 29188560, 1206517, -14747930, 4559895, -30123922, -10897950},
+ },
+ {
+ FieldElement{-27643952, -11493006, 16282657, -11036493, 28414021, -15012264, 24191034, 4541697, -13338309, 5500568},
+ FieldElement{12650548, -1497113, 9052871, 11355358, -17680037, -8400164, -17430592, 12264343, 10874051, 13524335},
+ FieldElement{25556948, -3045990, 714651, 2510400, 23394682, -10415330, 33119038, 5080568, -22528059, 5376628},
+ },
+ {
+ FieldElement{-26088264, -4011052, -17013699, -3537628, -6726793, 1920897, -22321305, -9447443, 4535768, 1569007},
+ FieldElement{-2255422, 14606630, -21692440, -8039818, 28430649, 8775819, -30494562, 3044290, 31848280, 12543772},
+ FieldElement{-22028579, 2943893, -31857513, 6777306, 13784462, -4292203, -27377195, -2062731, 7718482, 14474653},
+ },
+ {
+ FieldElement{2385315, 2454213, -22631320, 46603, -4437935, -15680415, 656965, -7236665, 24316168, -5253567},
+ FieldElement{13741529, 10911568, -33233417, -8603737, -20177830, -1033297, 33040651, -13424532, -20729456, 8321686},
+ FieldElement{21060490, -2212744, 15712757, -4336099, 1639040, 10656336, 23845965, -11874838, -9984458, 608372},
+ },
+ {
+ FieldElement{-13672732, -15087586, -10889693, -7557059, -6036909, 11305547, 1123968, -6780577, 27229399, 23887},
+ FieldElement{-23244140, -294205, -11744728, 14712571, -29465699, -2029617, 12797024, -6440308, -1633405, 16678954},
+ FieldElement{-29500620, 4770662, -16054387, 14001338, 7830047, 9564805, -1508144, -4795045, -17169265, 4904953},
+ },
+ {
+ FieldElement{24059557, 14617003, 19037157, -15039908, 19766093, -14906429, 5169211, 16191880, 2128236, -4326833},
+ FieldElement{-16981152, 4124966, -8540610, -10653797, 30336522, -14105247, -29806336, 916033, -6882542, -2986532},
+ FieldElement{-22630907, 12419372, -7134229, -7473371, -16478904, 16739175, 285431, 2763829, 15736322, 4143876},
+ },
+ {
+ FieldElement{2379352, 11839345, -4110402, -5988665, 11274298, 794957, 212801, -14594663, 23527084, -16458268},
+ FieldElement{33431127, -11130478, -17838966, -15626900, 8909499, 8376530, -32625340, 4087881, -15188911, -14416214},
+ FieldElement{1767683, 7197987, -13205226, -2022635, -13091350, 448826, 5799055, 4357868, -4774191, -16323038},
+ },
+ },
+ {
+ {
+ FieldElement{6721966, 13833823, -23523388, -1551314, 26354293, -11863321, 23365147, -3949732, 7390890, 2759800},
+ FieldElement{4409041, 2052381, 23373853, 10530217, 7676779, -12885954, 21302353, -4264057, 1244380, -12919645},
+ FieldElement{-4421239, 7169619, 4982368, -2957590, 30256825, -2777540, 14086413, 9208236, 15886429, 16489664},
+ },
+ {
+ FieldElement{1996075, 10375649, 14346367, 13311202, -6874135, -16438411, -13693198, 398369, -30606455, -712933},
+ FieldElement{-25307465, 9795880, -2777414, 14878809, -33531835, 14780363, 13348553, 12076947, -30836462, 5113182},
+ FieldElement{-17770784, 11797796, 31950843, 13929123, -25888302, 12288344, -30341101, -7336386, 13847711, 5387222},
+ },
+ {
+ FieldElement{-18582163, -3416217, 17824843, -2340966, 22744343, -10442611, 8763061, 3617786, -19600662, 10370991},
+ FieldElement{20246567, -14369378, 22358229, -543712, 18507283, -10413996, 14554437, -8746092, 32232924, 16763880},
+ FieldElement{9648505, 10094563, 26416693, 14745928, -30374318, -6472621, 11094161, 15689506, 3140038, -16510092},
+ },
+ {
+ FieldElement{-16160072, 5472695, 31895588, 4744994, 8823515, 10365685, -27224800, 9448613, -28774454, 366295},
+ FieldElement{19153450, 11523972, -11096490, -6503142, -24647631, 5420647, 28344573, 8041113, 719605, 11671788},
+ FieldElement{8678025, 2694440, -6808014, 2517372, 4964326, 11152271, -15432916, -15266516, 27000813, -10195553},
+ },
+ {
+ FieldElement{-15157904, 7134312, 8639287, -2814877, -7235688, 10421742, 564065, 5336097, 6750977, -14521026},
+ FieldElement{11836410, -3979488, 26297894, 16080799, 23455045, 15735944, 1695823, -8819122, 8169720, 16220347},
+ FieldElement{-18115838, 8653647, 17578566, -6092619, -8025777, -16012763, -11144307, -2627664, -5990708, -14166033},
+ },
+ {
+ FieldElement{-23308498, -10968312, 15213228, -10081214, -30853605, -11050004, 27884329, 2847284, 2655861, 1738395},
+ FieldElement{-27537433, -14253021, -25336301, -8002780, -9370762, 8129821, 21651608, -3239336, -19087449, -11005278},
+ FieldElement{1533110, 3437855, 23735889, 459276, 29970501, 11335377, 26030092, 5821408, 10478196, 8544890},
+ },
+ {
+ FieldElement{32173121, -16129311, 24896207, 3921497, 22579056, -3410854, 19270449, 12217473, 17789017, -3395995},
+ FieldElement{-30552961, -2228401, -15578829, -10147201, 13243889, 517024, 15479401, -3853233, 30460520, 1052596},
+ FieldElement{-11614875, 13323618, 32618793, 8175907, -15230173, 12596687, 27491595, -4612359, 3179268, -9478891},
+ },
+ {
+ FieldElement{31947069, -14366651, -4640583, -15339921, -15125977, -6039709, -14756777, -16411740, 19072640, -9511060},
+ FieldElement{11685058, 11822410, 3158003, -13952594, 33402194, -4165066, 5977896, -5215017, 473099, 5040608},
+ FieldElement{-20290863, 8198642, -27410132, 11602123, 1290375, -2799760, 28326862, 1721092, -19558642, -3131606},
+ },
+ },
+ {
+ {
+ FieldElement{7881532, 10687937, 7578723, 7738378, -18951012, -2553952, 21820786, 8076149, -27868496, 11538389},
+ FieldElement{-19935666, 3899861, 18283497, -6801568, -15728660, -11249211, 8754525, 7446702, -5676054, 5797016},
+ FieldElement{-11295600, -3793569, -15782110, -7964573, 12708869, -8456199, 2014099, -9050574, -2369172, -5877341},
+ },
+ {
+ FieldElement{-22472376, -11568741, -27682020, 1146375, 18956691, 16640559, 1192730, -3714199, 15123619, 10811505},
+ FieldElement{14352098, -3419715, -18942044, 10822655, 32750596, 4699007, -70363, 15776356, -28886779, -11974553},
+ FieldElement{-28241164, -8072475, -4978962, -5315317, 29416931, 1847569, -20654173, -16484855, 4714547, -9600655},
+ },
+ {
+ FieldElement{15200332, 8368572, 19679101, 15970074, -31872674, 1959451, 24611599, -4543832, -11745876, 12340220},
+ FieldElement{12876937, -10480056, 33134381, 6590940, -6307776, 14872440, 9613953, 8241152, 15370987, 9608631},
+ FieldElement{-4143277, -12014408, 8446281, -391603, 4407738, 13629032, -7724868, 15866074, -28210621, -8814099},
+ },
+ {
+ FieldElement{26660628, -15677655, 8393734, 358047, -7401291, 992988, -23904233, 858697, 20571223, 8420556},
+ FieldElement{14620715, 13067227, -15447274, 8264467, 14106269, 15080814, 33531827, 12516406, -21574435, -12476749},
+ FieldElement{236881, 10476226, 57258, -14677024, 6472998, 2466984, 17258519, 7256740, 8791136, 15069930},
+ },
+ {
+ FieldElement{1276410, -9371918, 22949635, -16322807, -23493039, -5702186, 14711875, 4874229, -30663140, -2331391},
+ FieldElement{5855666, 4990204, -13711848, 7294284, -7804282, 1924647, -1423175, -7912378, -33069337, 9234253},
+ FieldElement{20590503, -9018988, 31529744, -7352666, -2706834, 10650548, 31559055, -11609587, 18979186, 13396066},
+ },
+ {
+ FieldElement{24474287, 4968103, 22267082, 4407354, 24063882, -8325180, -18816887, 13594782, 33514650, 7021958},
+ FieldElement{-11566906, -6565505, -21365085, 15928892, -26158305, 4315421, -25948728, -3916677, -21480480, 12868082},
+ FieldElement{-28635013, 13504661, 19988037, -2132761, 21078225, 6443208, -21446107, 2244500, -12455797, -8089383},
+ },
+ {
+ FieldElement{-30595528, 13793479, -5852820, 319136, -25723172, -6263899, 33086546, 8957937, -15233648, 5540521},
+ FieldElement{-11630176, -11503902, -8119500, -7643073, 2620056, 1022908, -23710744, -1568984, -16128528, -14962807},
+ FieldElement{23152971, 775386, 27395463, 14006635, -9701118, 4649512, 1689819, 892185, -11513277, -15205948},
+ },
+ {
+ FieldElement{9770129, 9586738, 26496094, 4324120, 1556511, -3550024, 27453819, 4763127, -19179614, 5867134},
+ FieldElement{-32765025, 1927590, 31726409, -4753295, 23962434, -16019500, 27846559, 5931263, -29749703, -16108455},
+ FieldElement{27461885, -2977536, 22380810, 1815854, -23033753, -3031938, 7283490, -15148073, -19526700, 7734629},
+ },
+ },
+ {
+ {
+ FieldElement{-8010264, -9590817, -11120403, 6196038, 29344158, -13430885, 7585295, -3176626, 18549497, 15302069},
+ FieldElement{-32658337, -6171222, -7672793, -11051681, 6258878, 13504381, 10458790, -6418461, -8872242, 8424746},
+ FieldElement{24687205, 8613276, -30667046, -3233545, 1863892, -1830544, 19206234, 7134917, -11284482, -828919},
+ },
+ {
+ FieldElement{11334899, -9218022, 8025293, 12707519, 17523892, -10476071, 10243738, -14685461, -5066034, 16498837},
+ FieldElement{8911542, 6887158, -9584260, -6958590, 11145641, -9543680, 17303925, -14124238, 6536641, 10543906},
+ FieldElement{-28946384, 15479763, -17466835, 568876, -1497683, 11223454, -2669190, -16625574, -27235709, 8876771},
+ },
+ {
+ FieldElement{-25742899, -12566864, -15649966, -846607, -33026686, -796288, -33481822, 15824474, -604426, -9039817},
+ FieldElement{10330056, 70051, 7957388, -9002667, 9764902, 15609756, 27698697, -4890037, 1657394, 3084098},
+ FieldElement{10477963, -7470260, 12119566, -13250805, 29016247, -5365589, 31280319, 14396151, -30233575, 15272409},
+ },
+ {
+ FieldElement{-12288309, 3169463, 28813183, 16658753, 25116432, -5630466, -25173957, -12636138, -25014757, 1950504},
+ FieldElement{-26180358, 9489187, 11053416, -14746161, -31053720, 5825630, -8384306, -8767532, 15341279, 8373727},
+ FieldElement{28685821, 7759505, -14378516, -12002860, -31971820, 4079242, 298136, -10232602, -2878207, 15190420},
+ },
+ {
+ FieldElement{-32932876, 13806336, -14337485, -15794431, -24004620, 10940928, 8669718, 2742393, -26033313, -6875003},
+ FieldElement{-1580388, -11729417, -25979658, -11445023, -17411874, -10912854, 9291594, -16247779, -12154742, 6048605},
+ FieldElement{-30305315, 14843444, 1539301, 11864366, 20201677, 1900163, 13934231, 5128323, 11213262, 9168384},
+ },
+ {
+ FieldElement{-26280513, 11007847, 19408960, -940758, -18592965, -4328580, -5088060, -11105150, 20470157, -16398701},
+ FieldElement{-23136053, 9282192, 14855179, -15390078, -7362815, -14408560, -22783952, 14461608, 14042978, 5230683},
+ FieldElement{29969567, -2741594, -16711867, -8552442, 9175486, -2468974, 21556951, 3506042, -5933891, -12449708},
+ },
+ {
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+ FieldElement{-2444496, -149937, 29348902, 8186665, 1873760, 12489863, -30934579, -7839692, -7852844, -8138429},
+ FieldElement{-15236356, -15433509, 7766470, 746860, 26346930, -10221762, -27333451, 10754588, -9431476, 5203576},
+ FieldElement{31834314, 14135496, -770007, 5159118, 20917671, -16768096, -7467973, -7337524, 31809243, 7347066},
+ },
+ {
+ FieldElement{-9606723, -11874240, 20414459, 13033986, 13716524, -11691881, 19797970, -12211255, 15192876, -2087490},
+ FieldElement{-12663563, -2181719, 1168162, -3804809, 26747877, -14138091, 10609330, 12694420, 33473243, -13382104},
+ FieldElement{33184999, 11180355, 15832085, -11385430, -1633671, 225884, 15089336, -11023903, -6135662, 14480053},
+ },
+ {
+ FieldElement{31308717, -5619998, 31030840, -1897099, 15674547, -6582883, 5496208, 13685227, 27595050, 8737275},
+ FieldElement{-20318852, -15150239, 10933843, -16178022, 8335352, -7546022, -31008351, -12610604, 26498114, 66511},
+ FieldElement{22644454, -8761729, -16671776, 4884562, -3105614, -13559366, 30540766, -4286747, -13327787, -7515095},
+ },
+ {
+ FieldElement{-28017847, 9834845, 18617207, -2681312, -3401956, -13307506, 8205540, 13585437, -17127465, 15115439},
+ FieldElement{23711543, -672915, 31206561, -8362711, 6164647, -9709987, -33535882, -1426096, 8236921, 16492939},
+ FieldElement{-23910559, -13515526, -26299483, -4503841, 25005590, -7687270, 19574902, 10071562, 6708380, -6222424},
+ },
+ {
+ FieldElement{2101391, -4930054, 19702731, 2367575, -15427167, 1047675, 5301017, 9328700, 29955601, -11678310},
+ FieldElement{3096359, 9271816, -21620864, -15521844, -14847996, -7592937, -25892142, -12635595, -9917575, 6216608},
+ FieldElement{-32615849, 338663, -25195611, 2510422, -29213566, -13820213, 24822830, -6146567, -26767480, 7525079},
+ },
+ {
+ FieldElement{-23066649, -13985623, 16133487, -7896178, -3389565, 778788, -910336, -2782495, -19386633, 11994101},
+ FieldElement{21691500, -13624626, -641331, -14367021, 3285881, -3483596, -25064666, 9718258, -7477437, 13381418},
+ FieldElement{18445390, -4202236, 14979846, 11622458, -1727110, -3582980, 23111648, -6375247, 28535282, 15779576},
+ },
+ {
+ FieldElement{30098053, 3089662, -9234387, 16662135, -21306940, 11308411, -14068454, 12021730, 9955285, -16303356},
+ FieldElement{9734894, -14576830, -7473633, -9138735, 2060392, 11313496, -18426029, 9924399, 20194861, 13380996},
+ FieldElement{-26378102, -7965207, -22167821, 15789297, -18055342, -6168792, -1984914, 15707771, 26342023, 10146099},
+ },
+ },
+ {
+ {
+ FieldElement{-26016874, -219943, 21339191, -41388, 19745256, -2878700, -29637280, 2227040, 21612326, -545728},
+ FieldElement{-13077387, 1184228, 23562814, -5970442, -20351244, -6348714, 25764461, 12243797, -20856566, 11649658},
+ FieldElement{-10031494, 11262626, 27384172, 2271902, 26947504, -15997771, 39944, 6114064, 33514190, 2333242},
+ },
+ {
+ FieldElement{-21433588, -12421821, 8119782, 7219913, -21830522, -9016134, -6679750, -12670638, 24350578, -13450001},
+ FieldElement{-4116307, -11271533, -23886186, 4843615, -30088339, 690623, -31536088, -10406836, 8317860, 12352766},
+ FieldElement{18200138, -14475911, -33087759, -2696619, -23702521, -9102511, -23552096, -2287550, 20712163, 6719373},
+ },
+ {
+ FieldElement{26656208, 6075253, -7858556, 1886072, -28344043, 4262326, 11117530, -3763210, 26224235, -3297458},
+ FieldElement{-17168938, -14854097, -3395676, -16369877, -19954045, 14050420, 21728352, 9493610, 18620611, -16428628},
+ FieldElement{-13323321, 13325349, 11432106, 5964811, 18609221, 6062965, -5269471, -9725556, -30701573, -16479657},
+ },
+ {
+ FieldElement{-23860538, -11233159, 26961357, 1640861, -32413112, -16737940, 12248509, -5240639, 13735342, 1934062},
+ FieldElement{25089769, 6742589, 17081145, -13406266, 21909293, -16067981, -15136294, -3765346, -21277997, 5473616},
+ FieldElement{31883677, -7961101, 1083432, -11572403, 22828471, 13290673, -7125085, 12469656, 29111212, -5451014},
+ },
+ {
+ FieldElement{24244947, -15050407, -26262976, 2791540, -14997599, 16666678, 24367466, 6388839, -10295587, 452383},
+ FieldElement{-25640782, -3417841, 5217916, 16224624, 19987036, -4082269, -24236251, -5915248, 15766062, 8407814},
+ FieldElement{-20406999, 13990231, 15495425, 16395525, 5377168, 15166495, -8917023, -4388953, -8067909, 2276718},
+ },
+ {
+ FieldElement{30157918, 12924066, -17712050, 9245753, 19895028, 3368142, -23827587, 5096219, 22740376, -7303417},
+ FieldElement{2041139, -14256350, 7783687, 13876377, -25946985, -13352459, 24051124, 13742383, -15637599, 13295222},
+ FieldElement{33338237, -8505733, 12532113, 7977527, 9106186, -1715251, -17720195, -4612972, -4451357, -14669444},
+ },
+ {
+ FieldElement{-20045281, 5454097, -14346548, 6447146, 28862071, 1883651, -2469266, -4141880, 7770569, 9620597},
+ FieldElement{23208068, 7979712, 33071466, 8149229, 1758231, -10834995, 30945528, -1694323, -33502340, -14767970},
+ FieldElement{1439958, -16270480, -1079989, -793782, 4625402, 10647766, -5043801, 1220118, 30494170, -11440799},
+ },
+ {
+ FieldElement{-5037580, -13028295, -2970559, -3061767, 15640974, -6701666, -26739026, 926050, -1684339, -13333647},
+ FieldElement{13908495, -3549272, 30919928, -6273825, -21521863, 7989039, 9021034, 9078865, 3353509, 4033511},
+ FieldElement{-29663431, -15113610, 32259991, -344482, 24295849, -12912123, 23161163, 8839127, 27485041, 7356032},
+ },
+ },
+ {
+ {
+ FieldElement{9661027, 705443, 11980065, -5370154, -1628543, 14661173, -6346142, 2625015, 28431036, -16771834},
+ FieldElement{-23839233, -8311415, -25945511, 7480958, -17681669, -8354183, -22545972, 14150565, 15970762, 4099461},
+ FieldElement{29262576, 16756590, 26350592, -8793563, 8529671, -11208050, 13617293, -9937143, 11465739, 8317062},
+ },
+ {
+ FieldElement{-25493081, -6962928, 32500200, -9419051, -23038724, -2302222, 14898637, 3848455, 20969334, -5157516},
+ FieldElement{-20384450, -14347713, -18336405, 13884722, -33039454, 2842114, -21610826, -3649888, 11177095, 14989547},
+ FieldElement{-24496721, -11716016, 16959896, 2278463, 12066309, 10137771, 13515641, 2581286, -28487508, 9930240},
+ },
+ {
+ FieldElement{-17751622, -2097826, 16544300, -13009300, -15914807, -14949081, 18345767, -13403753, 16291481, -5314038},
+ FieldElement{-33229194, 2553288, 32678213, 9875984, 8534129, 6889387, -9676774, 6957617, 4368891, 9788741},
+ FieldElement{16660756, 7281060, -10830758, 12911820, 20108584, -8101676, -21722536, -8613148, 16250552, -11111103},
+ },
+ {
+ FieldElement{-19765507, 2390526, -16551031, 14161980, 1905286, 6414907, 4689584, 10604807, -30190403, 4782747},
+ FieldElement{-1354539, 14736941, -7367442, -13292886, 7710542, -14155590, -9981571, 4383045, 22546403, 437323},
+ FieldElement{31665577, -12180464, -16186830, 1491339, -18368625, 3294682, 27343084, 2786261, -30633590, -14097016},
+ },
+ {
+ FieldElement{-14467279, -683715, -33374107, 7448552, 19294360, 14334329, -19690631, 2355319, -19284671, -6114373},
+ FieldElement{15121312, -15796162, 6377020, -6031361, -10798111, -12957845, 18952177, 15496498, -29380133, 11754228},
+ FieldElement{-2637277, -13483075, 8488727, -14303896, 12728761, -1622493, 7141596, 11724556, 22761615, -10134141},
+ },
+ {
+ FieldElement{16918416, 11729663, -18083579, 3022987, -31015732, -13339659, -28741185, -12227393, 32851222, 11717399},
+ FieldElement{11166634, 7338049, -6722523, 4531520, -29468672, -7302055, 31474879, 3483633, -1193175, -4030831},
+ FieldElement{-185635, 9921305, 31456609, -13536438, -12013818, 13348923, 33142652, 6546660, -19985279, -3948376},
+ },
+ {
+ FieldElement{-32460596, 11266712, -11197107, -7899103, 31703694, 3855903, -8537131, -12833048, -30772034, -15486313},
+ FieldElement{-18006477, 12709068, 3991746, -6479188, -21491523, -10550425, -31135347, -16049879, 10928917, 3011958},
+ FieldElement{-6957757, -15594337, 31696059, 334240, 29576716, 14796075, -30831056, -12805180, 18008031, 10258577},
+ },
+ {
+ FieldElement{-22448644, 15655569, 7018479, -4410003, -30314266, -1201591, -1853465, 1367120, 25127874, 6671743},
+ FieldElement{29701166, -14373934, -10878120, 9279288, -17568, 13127210, 21382910, 11042292, 25838796, 4642684},
+ FieldElement{-20430234, 14955537, -24126347, 8124619, -5369288, -5990470, 30468147, -13900640, 18423289, 4177476},
+ },
+ },
+}
diff --git a/vendor/github.com/bytom/crypto/ed25519/internal/edwards25519/edwards25519.go b/vendor/github.com/bytom/crypto/ed25519/internal/edwards25519/edwards25519.go
new file mode 100644
index 00000000..a8564d89
--- /dev/null
+++ b/vendor/github.com/bytom/crypto/ed25519/internal/edwards25519/edwards25519.go
@@ -0,0 +1,1767 @@
+package edwards25519
+
+// This code is a port of the public domain, âref10â implementation of ed25519
+// from SUPERCOP.
+
+// FieldElement represents an element of the field GF(2^255 - 19). An element
+// t, entries t[0]...t[9], represents the integer t[0]+2^26 t[1]+2^51 t[2]+2^77
+// t[3]+2^102 t[4]+...+2^230 t[9]. Bounds on each t[i] vary depending on
+// context.
+type FieldElement [10]int32
+
+var zero FieldElement
+
+func FeZero(fe *FieldElement) {
+ copy(fe[:], zero[:])
+}
+
+func FeOne(fe *FieldElement) {
+ FeZero(fe)
+ fe[0] = 1
+}
+
+func FeAdd(dst, a, b *FieldElement) {
+ dst[0] = a[0] + b[0]
+ dst[1] = a[1] + b[1]
+ dst[2] = a[2] + b[2]
+ dst[3] = a[3] + b[3]
+ dst[4] = a[4] + b[4]
+ dst[5] = a[5] + b[5]
+ dst[6] = a[6] + b[6]
+ dst[7] = a[7] + b[7]
+ dst[8] = a[8] + b[8]
+ dst[9] = a[9] + b[9]
+}
+
+func FeSub(dst, a, b *FieldElement) {
+ dst[0] = a[0] - b[0]
+ dst[1] = a[1] - b[1]
+ dst[2] = a[2] - b[2]
+ dst[3] = a[3] - b[3]
+ dst[4] = a[4] - b[4]
+ dst[5] = a[5] - b[5]
+ dst[6] = a[6] - b[6]
+ dst[7] = a[7] - b[7]
+ dst[8] = a[8] - b[8]
+ dst[9] = a[9] - b[9]
+}
+
+func FeCopy(dst, src *FieldElement) {
+ copy(dst[:], src[:])
+}
+
+// Replace (f,g) with (g,g) if b == 1;
+// replace (f,g) with (f,g) if b == 0.
+//
+// Preconditions: b in {0,1}.
+func FeCMove(f, g *FieldElement, b int32) {
+ b = -b
+ f[0] ^= b & (f[0] ^ g[0])
+ f[1] ^= b & (f[1] ^ g[1])
+ f[2] ^= b & (f[2] ^ g[2])
+ f[3] ^= b & (f[3] ^ g[3])
+ f[4] ^= b & (f[4] ^ g[4])
+ f[5] ^= b & (f[5] ^ g[5])
+ f[6] ^= b & (f[6] ^ g[6])
+ f[7] ^= b & (f[7] ^ g[7])
+ f[8] ^= b & (f[8] ^ g[8])
+ f[9] ^= b & (f[9] ^ g[9])
+}
+
+func load3(in []byte) int64 {
+ var r int64
+ r = int64(in[0])
+ r |= int64(in[1]) << 8
+ r |= int64(in[2]) << 16
+ return r
+}
+
+func load4(in []byte) int64 {
+ var r int64
+ r = int64(in[0])
+ r |= int64(in[1]) << 8
+ r |= int64(in[2]) << 16
+ r |= int64(in[3]) << 24
+ return r
+}
+
+func FeFromBytes(dst *FieldElement, src *[32]byte) {
+ h0 := load4(src[:])
+ h1 := load3(src[4:]) << 6
+ h2 := load3(src[7:]) << 5
+ h3 := load3(src[10:]) << 3
+ h4 := load3(src[13:]) << 2
+ h5 := load4(src[16:])
+ h6 := load3(src[20:]) << 7
+ h7 := load3(src[23:]) << 5
+ h8 := load3(src[26:]) << 4
+ h9 := (load3(src[29:]) & 8388607) << 2
+
+ FeCombine(dst, h0, h1, h2, h3, h4, h5, h6, h7, h8, h9)
+}
+
+// FeToBytes marshals h to s.
+// Preconditions:
+// |h| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc.
+//
+// Write p=2^255-19; q=floor(h/p).
+// Basic claim: q = floor(2^(-255)(h + 19 2^(-25)h9 + 2^(-1))).
+//
+// Proof:
+// Have |h|<=p so |q|<=1 so |19^2 2^(-255) q|<1/4.
+// Also have |h-2^230 h9|<2^230 so |19 2^(-255)(h-2^230 h9)|<1/4.
+//
+// Write y=2^(-1)-19^2 2^(-255)q-19 2^(-255)(h-2^230 h9).
+// Then 0> 25
+ q = (h[0] + q) >> 26
+ q = (h[1] + q) >> 25
+ q = (h[2] + q) >> 26
+ q = (h[3] + q) >> 25
+ q = (h[4] + q) >> 26
+ q = (h[5] + q) >> 25
+ q = (h[6] + q) >> 26
+ q = (h[7] + q) >> 25
+ q = (h[8] + q) >> 26
+ q = (h[9] + q) >> 25
+
+ // Goal: Output h-(2^255-19)q, which is between 0 and 2^255-20.
+ h[0] += 19 * q
+ // Goal: Output h-2^255 q, which is between 0 and 2^255-20.
+
+ carry[0] = h[0] >> 26
+ h[1] += carry[0]
+ h[0] -= carry[0] << 26
+ carry[1] = h[1] >> 25
+ h[2] += carry[1]
+ h[1] -= carry[1] << 25
+ carry[2] = h[2] >> 26
+ h[3] += carry[2]
+ h[2] -= carry[2] << 26
+ carry[3] = h[3] >> 25
+ h[4] += carry[3]
+ h[3] -= carry[3] << 25
+ carry[4] = h[4] >> 26
+ h[5] += carry[4]
+ h[4] -= carry[4] << 26
+ carry[5] = h[5] >> 25
+ h[6] += carry[5]
+ h[5] -= carry[5] << 25
+ carry[6] = h[6] >> 26
+ h[7] += carry[6]
+ h[6] -= carry[6] << 26
+ carry[7] = h[7] >> 25
+ h[8] += carry[7]
+ h[7] -= carry[7] << 25
+ carry[8] = h[8] >> 26
+ h[9] += carry[8]
+ h[8] -= carry[8] << 26
+ carry[9] = h[9] >> 25
+ h[9] -= carry[9] << 25
+ // h10 = carry9
+
+ // Goal: Output h[0]+...+2^255 h10-2^255 q, which is between 0 and 2^255-20.
+ // Have h[0]+...+2^230 h[9] between 0 and 2^255-1;
+ // evidently 2^255 h10-2^255 q = 0.
+ // Goal: Output h[0]+...+2^230 h[9].
+
+ s[0] = byte(h[0] >> 0)
+ s[1] = byte(h[0] >> 8)
+ s[2] = byte(h[0] >> 16)
+ s[3] = byte((h[0] >> 24) | (h[1] << 2))
+ s[4] = byte(h[1] >> 6)
+ s[5] = byte(h[1] >> 14)
+ s[6] = byte((h[1] >> 22) | (h[2] << 3))
+ s[7] = byte(h[2] >> 5)
+ s[8] = byte(h[2] >> 13)
+ s[9] = byte((h[2] >> 21) | (h[3] << 5))
+ s[10] = byte(h[3] >> 3)
+ s[11] = byte(h[3] >> 11)
+ s[12] = byte((h[3] >> 19) | (h[4] << 6))
+ s[13] = byte(h[4] >> 2)
+ s[14] = byte(h[4] >> 10)
+ s[15] = byte(h[4] >> 18)
+ s[16] = byte(h[5] >> 0)
+ s[17] = byte(h[5] >> 8)
+ s[18] = byte(h[5] >> 16)
+ s[19] = byte((h[5] >> 24) | (h[6] << 1))
+ s[20] = byte(h[6] >> 7)
+ s[21] = byte(h[6] >> 15)
+ s[22] = byte((h[6] >> 23) | (h[7] << 3))
+ s[23] = byte(h[7] >> 5)
+ s[24] = byte(h[7] >> 13)
+ s[25] = byte((h[7] >> 21) | (h[8] << 4))
+ s[26] = byte(h[8] >> 4)
+ s[27] = byte(h[8] >> 12)
+ s[28] = byte((h[8] >> 20) | (h[9] << 6))
+ s[29] = byte(h[9] >> 2)
+ s[30] = byte(h[9] >> 10)
+ s[31] = byte(h[9] >> 18)
+}
+
+func FeIsNegative(f *FieldElement) byte {
+ var s [32]byte
+ FeToBytes(&s, f)
+ return s[0] & 1
+}
+
+func FeIsNonZero(f *FieldElement) int32 {
+ var s [32]byte
+ FeToBytes(&s, f)
+ var x uint8
+ for _, b := range s {
+ x |= b
+ }
+ x |= x >> 4
+ x |= x >> 2
+ x |= x >> 1
+ return int32(x & 1)
+}
+
+// FeNeg sets h = -f
+//
+// Preconditions:
+// |f| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc.
+//
+// Postconditions:
+// |h| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc.
+func FeNeg(h, f *FieldElement) {
+ h[0] = -f[0]
+ h[1] = -f[1]
+ h[2] = -f[2]
+ h[3] = -f[3]
+ h[4] = -f[4]
+ h[5] = -f[5]
+ h[6] = -f[6]
+ h[7] = -f[7]
+ h[8] = -f[8]
+ h[9] = -f[9]
+}
+
+func FeCombine(h *FieldElement, h0, h1, h2, h3, h4, h5, h6, h7, h8, h9 int64) {
+ var c0, c1, c2, c3, c4, c5, c6, c7, c8, c9 int64
+
+ /*
+ |h0| <= (1.1*1.1*2^52*(1+19+19+19+19)+1.1*1.1*2^50*(38+38+38+38+38))
+ i.e. |h0| <= 1.2*2^59; narrower ranges for h2, h4, h6, h8
+ |h1| <= (1.1*1.1*2^51*(1+1+19+19+19+19+19+19+19+19))
+ i.e. |h1| <= 1.5*2^58; narrower ranges for h3, h5, h7, h9
+ */
+
+ c0 = (h0 + (1 << 25)) >> 26
+ h1 += c0
+ h0 -= c0 << 26
+ c4 = (h4 + (1 << 25)) >> 26
+ h5 += c4
+ h4 -= c4 << 26
+ /* |h0| <= 2^25 */
+ /* |h4| <= 2^25 */
+ /* |h1| <= 1.51*2^58 */
+ /* |h5| <= 1.51*2^58 */
+
+ c1 = (h1 + (1 << 24)) >> 25
+ h2 += c1
+ h1 -= c1 << 25
+ c5 = (h5 + (1 << 24)) >> 25
+ h6 += c5
+ h5 -= c5 << 25
+ /* |h1| <= 2^24; from now on fits into int32 */
+ /* |h5| <= 2^24; from now on fits into int32 */
+ /* |h2| <= 1.21*2^59 */
+ /* |h6| <= 1.21*2^59 */
+
+ c2 = (h2 + (1 << 25)) >> 26
+ h3 += c2
+ h2 -= c2 << 26
+ c6 = (h6 + (1 << 25)) >> 26
+ h7 += c6
+ h6 -= c6 << 26
+ /* |h2| <= 2^25; from now on fits into int32 unchanged */
+ /* |h6| <= 2^25; from now on fits into int32 unchanged */
+ /* |h3| <= 1.51*2^58 */
+ /* |h7| <= 1.51*2^58 */
+
+ c3 = (h3 + (1 << 24)) >> 25
+ h4 += c3
+ h3 -= c3 << 25
+ c7 = (h7 + (1 << 24)) >> 25
+ h8 += c7
+ h7 -= c7 << 25
+ /* |h3| <= 2^24; from now on fits into int32 unchanged */
+ /* |h7| <= 2^24; from now on fits into int32 unchanged */
+ /* |h4| <= 1.52*2^33 */
+ /* |h8| <= 1.52*2^33 */
+
+ c4 = (h4 + (1 << 25)) >> 26
+ h5 += c4
+ h4 -= c4 << 26
+ c8 = (h8 + (1 << 25)) >> 26
+ h9 += c8
+ h8 -= c8 << 26
+ /* |h4| <= 2^25; from now on fits into int32 unchanged */
+ /* |h8| <= 2^25; from now on fits into int32 unchanged */
+ /* |h5| <= 1.01*2^24 */
+ /* |h9| <= 1.51*2^58 */
+
+ c9 = (h9 + (1 << 24)) >> 25
+ h0 += c9 * 19
+ h9 -= c9 << 25
+ /* |h9| <= 2^24; from now on fits into int32 unchanged */
+ /* |h0| <= 1.8*2^37 */
+
+ c0 = (h0 + (1 << 25)) >> 26
+ h1 += c0
+ h0 -= c0 << 26
+ /* |h0| <= 2^25; from now on fits into int32 unchanged */
+ /* |h1| <= 1.01*2^24 */
+
+ h[0] = int32(h0)
+ h[1] = int32(h1)
+ h[2] = int32(h2)
+ h[3] = int32(h3)
+ h[4] = int32(h4)
+ h[5] = int32(h5)
+ h[6] = int32(h6)
+ h[7] = int32(h7)
+ h[8] = int32(h8)
+ h[9] = int32(h9)
+}
+
+// FeMul calculates h = f * g
+// Can overlap h with f or g.
+//
+// Preconditions:
+// |f| bounded by 1.1*2^26,1.1*2^25,1.1*2^26,1.1*2^25,etc.
+// |g| bounded by 1.1*2^26,1.1*2^25,1.1*2^26,1.1*2^25,etc.
+//
+// Postconditions:
+// |h| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc.
+//
+// Notes on implementation strategy:
+//
+// Using schoolbook multiplication.
+// Karatsuba would save a little in some cost models.
+//
+// Most multiplications by 2 and 19 are 32-bit precomputations;
+// cheaper than 64-bit postcomputations.
+//
+// There is one remaining multiplication by 19 in the carry chain;
+// one *19 precomputation can be merged into this,
+// but the resulting data flow is considerably less clean.
+//
+// There are 12 carries below.
+// 10 of them are 2-way parallelizable and vectorizable.
+// Can get away with 11 carries, but then data flow is much deeper.
+//
+// With tighter constraints on inputs, can squeeze carries into int32.
+func FeMul(h, f, g *FieldElement) {
+ f0 := int64(f[0])
+ f1 := int64(f[1])
+ f2 := int64(f[2])
+ f3 := int64(f[3])
+ f4 := int64(f[4])
+ f5 := int64(f[5])
+ f6 := int64(f[6])
+ f7 := int64(f[7])
+ f8 := int64(f[8])
+ f9 := int64(f[9])
+
+ f1_2 := int64(2 * f[1])
+ f3_2 := int64(2 * f[3])
+ f5_2 := int64(2 * f[5])
+ f7_2 := int64(2 * f[7])
+ f9_2 := int64(2 * f[9])
+
+ g0 := int64(g[0])
+ g1 := int64(g[1])
+ g2 := int64(g[2])
+ g3 := int64(g[3])
+ g4 := int64(g[4])
+ g5 := int64(g[5])
+ g6 := int64(g[6])
+ g7 := int64(g[7])
+ g8 := int64(g[8])
+ g9 := int64(g[9])
+
+ g1_19 := int64(19 * g[1]) /* 1.4*2^29 */
+ g2_19 := int64(19 * g[2]) /* 1.4*2^30; still ok */
+ g3_19 := int64(19 * g[3])
+ g4_19 := int64(19 * g[4])
+ g5_19 := int64(19 * g[5])
+ g6_19 := int64(19 * g[6])
+ g7_19 := int64(19 * g[7])
+ g8_19 := int64(19 * g[8])
+ g9_19 := int64(19 * g[9])
+
+ h0 := f0*g0 + f1_2*g9_19 + f2*g8_19 + f3_2*g7_19 + f4*g6_19 + f5_2*g5_19 + f6*g4_19 + f7_2*g3_19 + f8*g2_19 + f9_2*g1_19
+ h1 := f0*g1 + f1*g0 + f2*g9_19 + f3*g8_19 + f4*g7_19 + f5*g6_19 + f6*g5_19 + f7*g4_19 + f8*g3_19 + f9*g2_19
+ h2 := f0*g2 + f1_2*g1 + f2*g0 + f3_2*g9_19 + f4*g8_19 + f5_2*g7_19 + f6*g6_19 + f7_2*g5_19 + f8*g4_19 + f9_2*g3_19
+ h3 := f0*g3 + f1*g2 + f2*g1 + f3*g0 + f4*g9_19 + f5*g8_19 + f6*g7_19 + f7*g6_19 + f8*g5_19 + f9*g4_19
+ h4 := f0*g4 + f1_2*g3 + f2*g2 + f3_2*g1 + f4*g0 + f5_2*g9_19 + f6*g8_19 + f7_2*g7_19 + f8*g6_19 + f9_2*g5_19
+ h5 := f0*g5 + f1*g4 + f2*g3 + f3*g2 + f4*g1 + f5*g0 + f6*g9_19 + f7*g8_19 + f8*g7_19 + f9*g6_19
+ h6 := f0*g6 + f1_2*g5 + f2*g4 + f3_2*g3 + f4*g2 + f5_2*g1 + f6*g0 + f7_2*g9_19 + f8*g8_19 + f9_2*g7_19
+ h7 := f0*g7 + f1*g6 + f2*g5 + f3*g4 + f4*g3 + f5*g2 + f6*g1 + f7*g0 + f8*g9_19 + f9*g8_19
+ h8 := f0*g8 + f1_2*g7 + f2*g6 + f3_2*g5 + f4*g4 + f5_2*g3 + f6*g2 + f7_2*g1 + f8*g0 + f9_2*g9_19
+ h9 := f0*g9 + f1*g8 + f2*g7 + f3*g6 + f4*g5 + f5*g4 + f6*g3 + f7*g2 + f8*g1 + f9*g0
+
+ FeCombine(h, h0, h1, h2, h3, h4, h5, h6, h7, h8, h9)
+}
+
+func feSquare(f *FieldElement) (h0, h1, h2, h3, h4, h5, h6, h7, h8, h9 int64) {
+ f0 := int64(f[0])
+ f1 := int64(f[1])
+ f2 := int64(f[2])
+ f3 := int64(f[3])
+ f4 := int64(f[4])
+ f5 := int64(f[5])
+ f6 := int64(f[6])
+ f7 := int64(f[7])
+ f8 := int64(f[8])
+ f9 := int64(f[9])
+ f0_2 := int64(2 * f[0])
+ f1_2 := int64(2 * f[1])
+ f2_2 := int64(2 * f[2])
+ f3_2 := int64(2 * f[3])
+ f4_2 := int64(2 * f[4])
+ f5_2 := int64(2 * f[5])
+ f6_2 := int64(2 * f[6])
+ f7_2 := int64(2 * f[7])
+ f5_38 := 38 * f5 // 1.31*2^30
+ f6_19 := 19 * f6 // 1.31*2^30
+ f7_38 := 38 * f7 // 1.31*2^30
+ f8_19 := 19 * f8 // 1.31*2^30
+ f9_38 := 38 * f9 // 1.31*2^30
+
+ h0 = f0*f0 + f1_2*f9_38 + f2_2*f8_19 + f3_2*f7_38 + f4_2*f6_19 + f5*f5_38
+ h1 = f0_2*f1 + f2*f9_38 + f3_2*f8_19 + f4*f7_38 + f5_2*f6_19
+ h2 = f0_2*f2 + f1_2*f1 + f3_2*f9_38 + f4_2*f8_19 + f5_2*f7_38 + f6*f6_19
+ h3 = f0_2*f3 + f1_2*f2 + f4*f9_38 + f5_2*f8_19 + f6*f7_38
+ h4 = f0_2*f4 + f1_2*f3_2 + f2*f2 + f5_2*f9_38 + f6_2*f8_19 + f7*f7_38
+ h5 = f0_2*f5 + f1_2*f4 + f2_2*f3 + f6*f9_38 + f7_2*f8_19
+ h6 = f0_2*f6 + f1_2*f5_2 + f2_2*f4 + f3_2*f3 + f7_2*f9_38 + f8*f8_19
+ h7 = f0_2*f7 + f1_2*f6 + f2_2*f5 + f3_2*f4 + f8*f9_38
+ h8 = f0_2*f8 + f1_2*f7_2 + f2_2*f6 + f3_2*f5_2 + f4*f4 + f9*f9_38
+ h9 = f0_2*f9 + f1_2*f8 + f2_2*f7 + f3_2*f6 + f4_2*f5
+
+ return
+}
+
+// FeSquare calculates h = f*f. Can overlap h with f.
+//
+// Preconditions:
+// |f| bounded by 1.1*2^26,1.1*2^25,1.1*2^26,1.1*2^25,etc.
+//
+// Postconditions:
+// |h| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc.
+func FeSquare(h, f *FieldElement) {
+ h0, h1, h2, h3, h4, h5, h6, h7, h8, h9 := feSquare(f)
+ FeCombine(h, h0, h1, h2, h3, h4, h5, h6, h7, h8, h9)
+}
+
+// FeSquare2 sets h = 2 * f * f
+//
+// Can overlap h with f.
+//
+// Preconditions:
+// |f| bounded by 1.65*2^26,1.65*2^25,1.65*2^26,1.65*2^25,etc.
+//
+// Postconditions:
+// |h| bounded by 1.01*2^25,1.01*2^24,1.01*2^25,1.01*2^24,etc.
+// See fe_mul.c for discussion of implementation strategy.
+func FeSquare2(h, f *FieldElement) {
+ h0, h1, h2, h3, h4, h5, h6, h7, h8, h9 := feSquare(f)
+
+ h0 += h0
+ h1 += h1
+ h2 += h2
+ h3 += h3
+ h4 += h4
+ h5 += h5
+ h6 += h6
+ h7 += h7
+ h8 += h8
+ h9 += h9
+
+ FeCombine(h, h0, h1, h2, h3, h4, h5, h6, h7, h8, h9)
+}
+
+func FeInvert(out, z *FieldElement) {
+ var t0, t1, t2, t3 FieldElement
+ var i int
+
+ FeSquare(&t0, z) // 2^1
+ FeSquare(&t1, &t0) // 2^2
+ for i = 1; i < 2; i++ { // 2^3
+ FeSquare(&t1, &t1)
+ }
+ FeMul(&t1, z, &t1) // 2^3 + 2^0
+ FeMul(&t0, &t0, &t1) // 2^3 + 2^1 + 2^0
+ FeSquare(&t2, &t0) // 2^4 + 2^2 + 2^1
+ FeMul(&t1, &t1, &t2) // 2^4 + 2^3 + 2^2 + 2^1 + 2^0
+ FeSquare(&t2, &t1) // 5,4,3,2,1
+ for i = 1; i < 5; i++ { // 9,8,7,6,5
+ FeSquare(&t2, &t2)
+ }
+ FeMul(&t1, &t2, &t1) // 9,8,7,6,5,4,3,2,1,0
+ FeSquare(&t2, &t1) // 10..1
+ for i = 1; i < 10; i++ { // 19..10
+ FeSquare(&t2, &t2)
+ }
+ FeMul(&t2, &t2, &t1) // 19..0
+ FeSquare(&t3, &t2) // 20..1
+ for i = 1; i < 20; i++ { // 39..20
+ FeSquare(&t3, &t3)
+ }
+ FeMul(&t2, &t3, &t2) // 39..0
+ FeSquare(&t2, &t2) // 40..1
+ for i = 1; i < 10; i++ { // 49..10
+ FeSquare(&t2, &t2)
+ }
+ FeMul(&t1, &t2, &t1) // 49..0
+ FeSquare(&t2, &t1) // 50..1
+ for i = 1; i < 50; i++ { // 99..50
+ FeSquare(&t2, &t2)
+ }
+ FeMul(&t2, &t2, &t1) // 99..0
+ FeSquare(&t3, &t2) // 100..1
+ for i = 1; i < 100; i++ { // 199..100
+ FeSquare(&t3, &t3)
+ }
+ FeMul(&t2, &t3, &t2) // 199..0
+ FeSquare(&t2, &t2) // 200..1
+ for i = 1; i < 50; i++ { // 249..50
+ FeSquare(&t2, &t2)
+ }
+ FeMul(&t1, &t2, &t1) // 249..0
+ FeSquare(&t1, &t1) // 250..1
+ for i = 1; i < 5; i++ { // 254..5
+ FeSquare(&t1, &t1)
+ }
+ FeMul(out, &t1, &t0) // 254..5,3,1,0
+}
+
+func fePow22523(out, z *FieldElement) {
+ var t0, t1, t2 FieldElement
+ var i int
+
+ FeSquare(&t0, z)
+ for i = 1; i < 1; i++ {
+ FeSquare(&t0, &t0)
+ }
+ FeSquare(&t1, &t0)
+ for i = 1; i < 2; i++ {
+ FeSquare(&t1, &t1)
+ }
+ FeMul(&t1, z, &t1)
+ FeMul(&t0, &t0, &t1)
+ FeSquare(&t0, &t0)
+ for i = 1; i < 1; i++ {
+ FeSquare(&t0, &t0)
+ }
+ FeMul(&t0, &t1, &t0)
+ FeSquare(&t1, &t0)
+ for i = 1; i < 5; i++ {
+ FeSquare(&t1, &t1)
+ }
+ FeMul(&t0, &t1, &t0)
+ FeSquare(&t1, &t0)
+ for i = 1; i < 10; i++ {
+ FeSquare(&t1, &t1)
+ }
+ FeMul(&t1, &t1, &t0)
+ FeSquare(&t2, &t1)
+ for i = 1; i < 20; i++ {
+ FeSquare(&t2, &t2)
+ }
+ FeMul(&t1, &t2, &t1)
+ FeSquare(&t1, &t1)
+ for i = 1; i < 10; i++ {
+ FeSquare(&t1, &t1)
+ }
+ FeMul(&t0, &t1, &t0)
+ FeSquare(&t1, &t0)
+ for i = 1; i < 50; i++ {
+ FeSquare(&t1, &t1)
+ }
+ FeMul(&t1, &t1, &t0)
+ FeSquare(&t2, &t1)
+ for i = 1; i < 100; i++ {
+ FeSquare(&t2, &t2)
+ }
+ FeMul(&t1, &t2, &t1)
+ FeSquare(&t1, &t1)
+ for i = 1; i < 50; i++ {
+ FeSquare(&t1, &t1)
+ }
+ FeMul(&t0, &t1, &t0)
+ FeSquare(&t0, &t0)
+ for i = 1; i < 2; i++ {
+ FeSquare(&t0, &t0)
+ }
+ FeMul(out, &t0, z)
+}
+
+// Group elements are members of the elliptic curve -x^2 + y^2 = 1 + d * x^2 *
+// y^2 where d = -121665/121666.
+//
+// Several representations are used:
+// ProjectiveGroupElement: (X:Y:Z) satisfying x=X/Z, y=Y/Z
+// ExtendedGroupElement: (X:Y:Z:T) satisfying x=X/Z, y=Y/Z, XY=ZT
+// CompletedGroupElement: ((X:Z),(Y:T)) satisfying x=X/Z, y=Y/T
+// PreComputedGroupElement: (y+x,y-x,2dxy)
+
+type ProjectiveGroupElement struct {
+ X, Y, Z FieldElement
+}
+
+type ExtendedGroupElement struct {
+ X, Y, Z, T FieldElement
+}
+
+type CompletedGroupElement struct {
+ X, Y, Z, T FieldElement
+}
+
+type PreComputedGroupElement struct {
+ yPlusX, yMinusX, xy2d FieldElement
+}
+
+type CachedGroupElement struct {
+ yPlusX, yMinusX, Z, T2d FieldElement
+}
+
+func (p *ProjectiveGroupElement) Zero() {
+ FeZero(&p.X)
+ FeOne(&p.Y)
+ FeOne(&p.Z)
+}
+
+func (p *ProjectiveGroupElement) Double(r *CompletedGroupElement) {
+ var t0 FieldElement
+
+ FeSquare(&r.X, &p.X)
+ FeSquare(&r.Z, &p.Y)
+ FeSquare2(&r.T, &p.Z)
+ FeAdd(&r.Y, &p.X, &p.Y)
+ FeSquare(&t0, &r.Y)
+ FeAdd(&r.Y, &r.Z, &r.X)
+ FeSub(&r.Z, &r.Z, &r.X)
+ FeSub(&r.X, &t0, &r.Y)
+ FeSub(&r.T, &r.T, &r.Z)
+}
+
+func (p *ProjectiveGroupElement) ToBytes(s *[32]byte) {
+ var recip, x, y FieldElement
+
+ FeInvert(&recip, &p.Z)
+ FeMul(&x, &p.X, &recip)
+ FeMul(&y, &p.Y, &recip)
+ FeToBytes(s, &y)
+ s[31] ^= FeIsNegative(&x) << 7
+}
+
+func (p *ExtendedGroupElement) Zero() {
+ FeZero(&p.X)
+ FeOne(&p.Y)
+ FeOne(&p.Z)
+ FeZero(&p.T)
+}
+
+func (p *ExtendedGroupElement) Double(r *CompletedGroupElement) {
+ var q ProjectiveGroupElement
+ p.ToProjective(&q)
+ q.Double(r)
+}
+
+func (p *ExtendedGroupElement) ToCached(r *CachedGroupElement) {
+ FeAdd(&r.yPlusX, &p.Y, &p.X)
+ FeSub(&r.yMinusX, &p.Y, &p.X)
+ FeCopy(&r.Z, &p.Z)
+ FeMul(&r.T2d, &p.T, &d2)
+}
+
+func (p *ExtendedGroupElement) ToProjective(r *ProjectiveGroupElement) {
+ FeCopy(&r.X, &p.X)
+ FeCopy(&r.Y, &p.Y)
+ FeCopy(&r.Z, &p.Z)
+}
+
+func (p *ExtendedGroupElement) ToBytes(s *[32]byte) {
+ var recip, x, y FieldElement
+
+ FeInvert(&recip, &p.Z)
+ FeMul(&x, &p.X, &recip)
+ FeMul(&y, &p.Y, &recip)
+ FeToBytes(s, &y)
+ s[31] ^= FeIsNegative(&x) << 7
+}
+
+func (p *ExtendedGroupElement) FromBytes(s *[32]byte) bool {
+ var u, v, v3, vxx, check FieldElement
+
+ FeFromBytes(&p.Y, s)
+ FeOne(&p.Z)
+ FeSquare(&u, &p.Y)
+ FeMul(&v, &u, &d)
+ FeSub(&u, &u, &p.Z) // y = y^2-1
+ FeAdd(&v, &v, &p.Z) // v = dy^2+1
+
+ FeSquare(&v3, &v)
+ FeMul(&v3, &v3, &v) // v3 = v^3
+ FeSquare(&p.X, &v3)
+ FeMul(&p.X, &p.X, &v)
+ FeMul(&p.X, &p.X, &u) // x = uv^7
+
+ fePow22523(&p.X, &p.X) // x = (uv^7)^((q-5)/8)
+ FeMul(&p.X, &p.X, &v3)
+ FeMul(&p.X, &p.X, &u) // x = uv^3(uv^7)^((q-5)/8)
+
+ var tmpX, tmp2 [32]byte
+
+ FeSquare(&vxx, &p.X)
+ FeMul(&vxx, &vxx, &v)
+ FeSub(&check, &vxx, &u) // vx^2-u
+ if FeIsNonZero(&check) == 1 {
+ FeAdd(&check, &vxx, &u) // vx^2+u
+ if FeIsNonZero(&check) == 1 {
+ return false
+ }
+ FeMul(&p.X, &p.X, &SqrtM1)
+
+ FeToBytes(&tmpX, &p.X)
+ for i, v := range tmpX {
+ tmp2[31-i] = v
+ }
+ }
+
+ if FeIsNegative(&p.X) != (s[31] >> 7) {
+ FeNeg(&p.X, &p.X)
+ }
+
+ FeMul(&p.T, &p.X, &p.Y)
+ return true
+}
+
+func (p *CompletedGroupElement) ToProjective(r *ProjectiveGroupElement) {
+ FeMul(&r.X, &p.X, &p.T)
+ FeMul(&r.Y, &p.Y, &p.Z)
+ FeMul(&r.Z, &p.Z, &p.T)
+}
+
+func (p *CompletedGroupElement) ToExtended(r *ExtendedGroupElement) {
+ FeMul(&r.X, &p.X, &p.T)
+ FeMul(&r.Y, &p.Y, &p.Z)
+ FeMul(&r.Z, &p.Z, &p.T)
+ FeMul(&r.T, &p.X, &p.Y)
+}
+
+func (p *PreComputedGroupElement) Zero() {
+ FeOne(&p.yPlusX)
+ FeOne(&p.yMinusX)
+ FeZero(&p.xy2d)
+}
+
+func geAdd(r *CompletedGroupElement, p *ExtendedGroupElement, q *CachedGroupElement) {
+ var t0 FieldElement
+
+ FeAdd(&r.X, &p.Y, &p.X)
+ FeSub(&r.Y, &p.Y, &p.X)
+ FeMul(&r.Z, &r.X, &q.yPlusX)
+ FeMul(&r.Y, &r.Y, &q.yMinusX)
+ FeMul(&r.T, &q.T2d, &p.T)
+ FeMul(&r.X, &p.Z, &q.Z)
+ FeAdd(&t0, &r.X, &r.X)
+ FeSub(&r.X, &r.Z, &r.Y)
+ FeAdd(&r.Y, &r.Z, &r.Y)
+ FeAdd(&r.Z, &t0, &r.T)
+ FeSub(&r.T, &t0, &r.T)
+}
+
+func geSub(r *CompletedGroupElement, p *ExtendedGroupElement, q *CachedGroupElement) {
+ var t0 FieldElement
+
+ FeAdd(&r.X, &p.Y, &p.X)
+ FeSub(&r.Y, &p.Y, &p.X)
+ FeMul(&r.Z, &r.X, &q.yMinusX)
+ FeMul(&r.Y, &r.Y, &q.yPlusX)
+ FeMul(&r.T, &q.T2d, &p.T)
+ FeMul(&r.X, &p.Z, &q.Z)
+ FeAdd(&t0, &r.X, &r.X)
+ FeSub(&r.X, &r.Z, &r.Y)
+ FeAdd(&r.Y, &r.Z, &r.Y)
+ FeSub(&r.Z, &t0, &r.T)
+ FeAdd(&r.T, &t0, &r.T)
+}
+
+func geMixedAdd(r *CompletedGroupElement, p *ExtendedGroupElement, q *PreComputedGroupElement) {
+ var t0 FieldElement
+
+ FeAdd(&r.X, &p.Y, &p.X)
+ FeSub(&r.Y, &p.Y, &p.X)
+ FeMul(&r.Z, &r.X, &q.yPlusX)
+ FeMul(&r.Y, &r.Y, &q.yMinusX)
+ FeMul(&r.T, &q.xy2d, &p.T)
+ FeAdd(&t0, &p.Z, &p.Z)
+ FeSub(&r.X, &r.Z, &r.Y)
+ FeAdd(&r.Y, &r.Z, &r.Y)
+ FeAdd(&r.Z, &t0, &r.T)
+ FeSub(&r.T, &t0, &r.T)
+}
+
+func geMixedSub(r *CompletedGroupElement, p *ExtendedGroupElement, q *PreComputedGroupElement) {
+ var t0 FieldElement
+
+ FeAdd(&r.X, &p.Y, &p.X)
+ FeSub(&r.Y, &p.Y, &p.X)
+ FeMul(&r.Z, &r.X, &q.yMinusX)
+ FeMul(&r.Y, &r.Y, &q.yPlusX)
+ FeMul(&r.T, &q.xy2d, &p.T)
+ FeAdd(&t0, &p.Z, &p.Z)
+ FeSub(&r.X, &r.Z, &r.Y)
+ FeAdd(&r.Y, &r.Z, &r.Y)
+ FeSub(&r.Z, &t0, &r.T)
+ FeAdd(&r.T, &t0, &r.T)
+}
+
+func slide(r *[256]int8, a *[32]byte) {
+ for i := range r {
+ r[i] = int8(1 & (a[i>>3] >> uint(i&7)))
+ }
+
+ for i := range r {
+ if r[i] != 0 {
+ for b := 1; b <= 6 && i+b < 256; b++ {
+ if r[i+b] != 0 {
+ if r[i]+(r[i+b]<= -15 {
+ r[i] -= r[i+b] << uint(b)
+ for k := i + b; k < 256; k++ {
+ if r[k] == 0 {
+ r[k] = 1
+ break
+ }
+ r[k] = 0
+ }
+ } else {
+ break
+ }
+ }
+ }
+ }
+ }
+}
+
+// GeDoubleScalarMultVartime sets r = a*A + b*B
+// where a = a[0]+256*a[1]+...+256^31 a[31].
+// and b = b[0]+256*b[1]+...+256^31 b[31].
+// B is the Ed25519 base point (x,4/5) with x positive.
+func GeDoubleScalarMultVartime(r *ProjectiveGroupElement, a *[32]byte, A *ExtendedGroupElement, b *[32]byte) {
+ var aSlide, bSlide [256]int8
+ var Ai [8]CachedGroupElement // A,3A,5A,7A,9A,11A,13A,15A
+ var t CompletedGroupElement
+ var u, A2 ExtendedGroupElement
+ var i int
+
+ slide(&aSlide, a)
+ slide(&bSlide, b)
+
+ A.ToCached(&Ai[0])
+ A.Double(&t)
+ t.ToExtended(&A2)
+
+ for i := 0; i < 7; i++ {
+ geAdd(&t, &A2, &Ai[i])
+ t.ToExtended(&u)
+ u.ToCached(&Ai[i+1])
+ }
+
+ r.Zero()
+
+ for i = 255; i >= 0; i-- {
+ if aSlide[i] != 0 || bSlide[i] != 0 {
+ break
+ }
+ }
+
+ for ; i >= 0; i-- {
+ r.Double(&t)
+
+ if aSlide[i] > 0 {
+ t.ToExtended(&u)
+ geAdd(&t, &u, &Ai[aSlide[i]/2])
+ } else if aSlide[i] < 0 {
+ t.ToExtended(&u)
+ geSub(&t, &u, &Ai[(-aSlide[i])/2])
+ }
+
+ if bSlide[i] > 0 {
+ t.ToExtended(&u)
+ geMixedAdd(&t, &u, &bi[bSlide[i]/2])
+ } else if bSlide[i] < 0 {
+ t.ToExtended(&u)
+ geMixedSub(&t, &u, &bi[(-bSlide[i])/2])
+ }
+
+ t.ToProjective(r)
+ }
+}
+
+// equal returns 1 if b == c and 0 otherwise, assuming that b and c are
+// non-negative.
+func equal(b, c int32) int32 {
+ x := uint32(b ^ c)
+ x--
+ return int32(x >> 31)
+}
+
+// negative returns 1 if b < 0 and 0 otherwise.
+func negative(b int32) int32 {
+ return (b >> 31) & 1
+}
+
+func PreComputedGroupElementCMove(t, u *PreComputedGroupElement, b int32) {
+ FeCMove(&t.yPlusX, &u.yPlusX, b)
+ FeCMove(&t.yMinusX, &u.yMinusX, b)
+ FeCMove(&t.xy2d, &u.xy2d, b)
+}
+
+func selectPoint(t *PreComputedGroupElement, pos int32, b int32) {
+ var minusT PreComputedGroupElement
+ bNegative := negative(b)
+ bAbs := b - (((-bNegative) & b) << 1)
+
+ t.Zero()
+ for i := int32(0); i < 8; i++ {
+ PreComputedGroupElementCMove(t, &base[pos][i], equal(bAbs, i+1))
+ }
+ FeCopy(&minusT.yPlusX, &t.yMinusX)
+ FeCopy(&minusT.yMinusX, &t.yPlusX)
+ FeNeg(&minusT.xy2d, &t.xy2d)
+ PreComputedGroupElementCMove(t, &minusT, bNegative)
+}
+
+// GeScalarMultBase computes h = a*B, where
+// a = a[0]+256*a[1]+...+256^31 a[31]
+// B is the Ed25519 base point (x,4/5) with x positive.
+//
+// Preconditions:
+// a[31] <= 127
+func GeScalarMultBase(h *ExtendedGroupElement, a *[32]byte) {
+ var e [64]int8
+
+ for i, v := range a {
+ e[2*i] = int8(v & 15)
+ e[2*i+1] = int8((v >> 4) & 15)
+ }
+
+ // each e[i] is between 0 and 15 and e[63] is between 0 and 7.
+
+ carry := int8(0)
+ for i := 0; i < 63; i++ {
+ e[i] += carry
+ carry = (e[i] + 8) >> 4
+ e[i] -= carry << 4
+ }
+ e[63] += carry
+ // each e[i] is between -8 and 8.
+
+ h.Zero()
+ var t PreComputedGroupElement
+ var r CompletedGroupElement
+ for i := int32(1); i < 64; i += 2 {
+ selectPoint(&t, i/2, int32(e[i]))
+ geMixedAdd(&r, h, &t)
+ r.ToExtended(h)
+ }
+
+ var s ProjectiveGroupElement
+
+ h.Double(&r)
+ r.ToProjective(&s)
+ s.Double(&r)
+ r.ToProjective(&s)
+ s.Double(&r)
+ r.ToProjective(&s)
+ s.Double(&r)
+ r.ToExtended(h)
+
+ for i := int32(0); i < 64; i += 2 {
+ selectPoint(&t, i/2, int32(e[i]))
+ geMixedAdd(&r, h, &t)
+ r.ToExtended(h)
+ }
+}
+
+// The scalars are GF(2^252 + 27742317777372353535851937790883648493).
+
+// Input:
+// a[0]+256*a[1]+...+256^31*a[31] = a
+// b[0]+256*b[1]+...+256^31*b[31] = b
+// c[0]+256*c[1]+...+256^31*c[31] = c
+//
+// Output:
+// s[0]+256*s[1]+...+256^31*s[31] = (ab+c) mod l
+// where l = 2^252 + 27742317777372353535851937790883648493.
+func ScMulAdd(s, a, b, c *[32]byte) {
+ a0 := 2097151 & load3(a[:])
+ a1 := 2097151 & (load4(a[2:]) >> 5)
+ a2 := 2097151 & (load3(a[5:]) >> 2)
+ a3 := 2097151 & (load4(a[7:]) >> 7)
+ a4 := 2097151 & (load4(a[10:]) >> 4)
+ a5 := 2097151 & (load3(a[13:]) >> 1)
+ a6 := 2097151 & (load4(a[15:]) >> 6)
+ a7 := 2097151 & (load3(a[18:]) >> 3)
+ a8 := 2097151 & load3(a[21:])
+ a9 := 2097151 & (load4(a[23:]) >> 5)
+ a10 := 2097151 & (load3(a[26:]) >> 2)
+ a11 := (load4(a[28:]) >> 7)
+ b0 := 2097151 & load3(b[:])
+ b1 := 2097151 & (load4(b[2:]) >> 5)
+ b2 := 2097151 & (load3(b[5:]) >> 2)
+ b3 := 2097151 & (load4(b[7:]) >> 7)
+ b4 := 2097151 & (load4(b[10:]) >> 4)
+ b5 := 2097151 & (load3(b[13:]) >> 1)
+ b6 := 2097151 & (load4(b[15:]) >> 6)
+ b7 := 2097151 & (load3(b[18:]) >> 3)
+ b8 := 2097151 & load3(b[21:])
+ b9 := 2097151 & (load4(b[23:]) >> 5)
+ b10 := 2097151 & (load3(b[26:]) >> 2)
+ b11 := (load4(b[28:]) >> 7)
+ c0 := 2097151 & load3(c[:])
+ c1 := 2097151 & (load4(c[2:]) >> 5)
+ c2 := 2097151 & (load3(c[5:]) >> 2)
+ c3 := 2097151 & (load4(c[7:]) >> 7)
+ c4 := 2097151 & (load4(c[10:]) >> 4)
+ c5 := 2097151 & (load3(c[13:]) >> 1)
+ c6 := 2097151 & (load4(c[15:]) >> 6)
+ c7 := 2097151 & (load3(c[18:]) >> 3)
+ c8 := 2097151 & load3(c[21:])
+ c9 := 2097151 & (load4(c[23:]) >> 5)
+ c10 := 2097151 & (load3(c[26:]) >> 2)
+ c11 := (load4(c[28:]) >> 7)
+ var carry [23]int64
+
+ s0 := c0 + a0*b0
+ s1 := c1 + a0*b1 + a1*b0
+ s2 := c2 + a0*b2 + a1*b1 + a2*b0
+ s3 := c3 + a0*b3 + a1*b2 + a2*b1 + a3*b0
+ s4 := c4 + a0*b4 + a1*b3 + a2*b2 + a3*b1 + a4*b0
+ s5 := c5 + a0*b5 + a1*b4 + a2*b3 + a3*b2 + a4*b1 + a5*b0
+ s6 := c6 + a0*b6 + a1*b5 + a2*b4 + a3*b3 + a4*b2 + a5*b1 + a6*b0
+ s7 := c7 + a0*b7 + a1*b6 + a2*b5 + a3*b4 + a4*b3 + a5*b2 + a6*b1 + a7*b0
+ s8 := c8 + a0*b8 + a1*b7 + a2*b6 + a3*b5 + a4*b4 + a5*b3 + a6*b2 + a7*b1 + a8*b0
+ s9 := c9 + a0*b9 + a1*b8 + a2*b7 + a3*b6 + a4*b5 + a5*b4 + a6*b3 + a7*b2 + a8*b1 + a9*b0
+ s10 := c10 + a0*b10 + a1*b9 + a2*b8 + a3*b7 + a4*b6 + a5*b5 + a6*b4 + a7*b3 + a8*b2 + a9*b1 + a10*b0
+ s11 := c11 + a0*b11 + a1*b10 + a2*b9 + a3*b8 + a4*b7 + a5*b6 + a6*b5 + a7*b4 + a8*b3 + a9*b2 + a10*b1 + a11*b0
+ s12 := a1*b11 + a2*b10 + a3*b9 + a4*b8 + a5*b7 + a6*b6 + a7*b5 + a8*b4 + a9*b3 + a10*b2 + a11*b1
+ s13 := a2*b11 + a3*b10 + a4*b9 + a5*b8 + a6*b7 + a7*b6 + a8*b5 + a9*b4 + a10*b3 + a11*b2
+ s14 := a3*b11 + a4*b10 + a5*b9 + a6*b8 + a7*b7 + a8*b6 + a9*b5 + a10*b4 + a11*b3
+ s15 := a4*b11 + a5*b10 + a6*b9 + a7*b8 + a8*b7 + a9*b6 + a10*b5 + a11*b4
+ s16 := a5*b11 + a6*b10 + a7*b9 + a8*b8 + a9*b7 + a10*b6 + a11*b5
+ s17 := a6*b11 + a7*b10 + a8*b9 + a9*b8 + a10*b7 + a11*b6
+ s18 := a7*b11 + a8*b10 + a9*b9 + a10*b8 + a11*b7
+ s19 := a8*b11 + a9*b10 + a10*b9 + a11*b8
+ s20 := a9*b11 + a10*b10 + a11*b9
+ s21 := a10*b11 + a11*b10
+ s22 := a11 * b11
+ s23 := int64(0)
+
+ carry[0] = (s0 + (1 << 20)) >> 21
+ s1 += carry[0]
+ s0 -= carry[0] << 21
+ carry[2] = (s2 + (1 << 20)) >> 21
+ s3 += carry[2]
+ s2 -= carry[2] << 21
+ carry[4] = (s4 + (1 << 20)) >> 21
+ s5 += carry[4]
+ s4 -= carry[4] << 21
+ carry[6] = (s6 + (1 << 20)) >> 21
+ s7 += carry[6]
+ s6 -= carry[6] << 21
+ carry[8] = (s8 + (1 << 20)) >> 21
+ s9 += carry[8]
+ s8 -= carry[8] << 21
+ carry[10] = (s10 + (1 << 20)) >> 21
+ s11 += carry[10]
+ s10 -= carry[10] << 21
+ carry[12] = (s12 + (1 << 20)) >> 21
+ s13 += carry[12]
+ s12 -= carry[12] << 21
+ carry[14] = (s14 + (1 << 20)) >> 21
+ s15 += carry[14]
+ s14 -= carry[14] << 21
+ carry[16] = (s16 + (1 << 20)) >> 21
+ s17 += carry[16]
+ s16 -= carry[16] << 21
+ carry[18] = (s18 + (1 << 20)) >> 21
+ s19 += carry[18]
+ s18 -= carry[18] << 21
+ carry[20] = (s20 + (1 << 20)) >> 21
+ s21 += carry[20]
+ s20 -= carry[20] << 21
+ carry[22] = (s22 + (1 << 20)) >> 21
+ s23 += carry[22]
+ s22 -= carry[22] << 21
+
+ carry[1] = (s1 + (1 << 20)) >> 21
+ s2 += carry[1]
+ s1 -= carry[1] << 21
+ carry[3] = (s3 + (1 << 20)) >> 21
+ s4 += carry[3]
+ s3 -= carry[3] << 21
+ carry[5] = (s5 + (1 << 20)) >> 21
+ s6 += carry[5]
+ s5 -= carry[5] << 21
+ carry[7] = (s7 + (1 << 20)) >> 21
+ s8 += carry[7]
+ s7 -= carry[7] << 21
+ carry[9] = (s9 + (1 << 20)) >> 21
+ s10 += carry[9]
+ s9 -= carry[9] << 21
+ carry[11] = (s11 + (1 << 20)) >> 21
+ s12 += carry[11]
+ s11 -= carry[11] << 21
+ carry[13] = (s13 + (1 << 20)) >> 21
+ s14 += carry[13]
+ s13 -= carry[13] << 21
+ carry[15] = (s15 + (1 << 20)) >> 21
+ s16 += carry[15]
+ s15 -= carry[15] << 21
+ carry[17] = (s17 + (1 << 20)) >> 21
+ s18 += carry[17]
+ s17 -= carry[17] << 21
+ carry[19] = (s19 + (1 << 20)) >> 21
+ s20 += carry[19]
+ s19 -= carry[19] << 21
+ carry[21] = (s21 + (1 << 20)) >> 21
+ s22 += carry[21]
+ s21 -= carry[21] << 21
+
+ s11 += s23 * 666643
+ s12 += s23 * 470296
+ s13 += s23 * 654183
+ s14 -= s23 * 997805
+ s15 += s23 * 136657
+ s16 -= s23 * 683901
+ s23 = 0
+
+ s10 += s22 * 666643
+ s11 += s22 * 470296
+ s12 += s22 * 654183
+ s13 -= s22 * 997805
+ s14 += s22 * 136657
+ s15 -= s22 * 683901
+ s22 = 0
+
+ s9 += s21 * 666643
+ s10 += s21 * 470296
+ s11 += s21 * 654183
+ s12 -= s21 * 997805
+ s13 += s21 * 136657
+ s14 -= s21 * 683901
+ s21 = 0
+
+ s8 += s20 * 666643
+ s9 += s20 * 470296
+ s10 += s20 * 654183
+ s11 -= s20 * 997805
+ s12 += s20 * 136657
+ s13 -= s20 * 683901
+ s20 = 0
+
+ s7 += s19 * 666643
+ s8 += s19 * 470296
+ s9 += s19 * 654183
+ s10 -= s19 * 997805
+ s11 += s19 * 136657
+ s12 -= s19 * 683901
+ s19 = 0
+
+ s6 += s18 * 666643
+ s7 += s18 * 470296
+ s8 += s18 * 654183
+ s9 -= s18 * 997805
+ s10 += s18 * 136657
+ s11 -= s18 * 683901
+ s18 = 0
+
+ carry[6] = (s6 + (1 << 20)) >> 21
+ s7 += carry[6]
+ s6 -= carry[6] << 21
+ carry[8] = (s8 + (1 << 20)) >> 21
+ s9 += carry[8]
+ s8 -= carry[8] << 21
+ carry[10] = (s10 + (1 << 20)) >> 21
+ s11 += carry[10]
+ s10 -= carry[10] << 21
+ carry[12] = (s12 + (1 << 20)) >> 21
+ s13 += carry[12]
+ s12 -= carry[12] << 21
+ carry[14] = (s14 + (1 << 20)) >> 21
+ s15 += carry[14]
+ s14 -= carry[14] << 21
+ carry[16] = (s16 + (1 << 20)) >> 21
+ s17 += carry[16]
+ s16 -= carry[16] << 21
+
+ carry[7] = (s7 + (1 << 20)) >> 21
+ s8 += carry[7]
+ s7 -= carry[7] << 21
+ carry[9] = (s9 + (1 << 20)) >> 21
+ s10 += carry[9]
+ s9 -= carry[9] << 21
+ carry[11] = (s11 + (1 << 20)) >> 21
+ s12 += carry[11]
+ s11 -= carry[11] << 21
+ carry[13] = (s13 + (1 << 20)) >> 21
+ s14 += carry[13]
+ s13 -= carry[13] << 21
+ carry[15] = (s15 + (1 << 20)) >> 21
+ s16 += carry[15]
+ s15 -= carry[15] << 21
+
+ s5 += s17 * 666643
+ s6 += s17 * 470296
+ s7 += s17 * 654183
+ s8 -= s17 * 997805
+ s9 += s17 * 136657
+ s10 -= s17 * 683901
+ s17 = 0
+
+ s4 += s16 * 666643
+ s5 += s16 * 470296
+ s6 += s16 * 654183
+ s7 -= s16 * 997805
+ s8 += s16 * 136657
+ s9 -= s16 * 683901
+ s16 = 0
+
+ s3 += s15 * 666643
+ s4 += s15 * 470296
+ s5 += s15 * 654183
+ s6 -= s15 * 997805
+ s7 += s15 * 136657
+ s8 -= s15 * 683901
+ s15 = 0
+
+ s2 += s14 * 666643
+ s3 += s14 * 470296
+ s4 += s14 * 654183
+ s5 -= s14 * 997805
+ s6 += s14 * 136657
+ s7 -= s14 * 683901
+ s14 = 0
+
+ s1 += s13 * 666643
+ s2 += s13 * 470296
+ s3 += s13 * 654183
+ s4 -= s13 * 997805
+ s5 += s13 * 136657
+ s6 -= s13 * 683901
+ s13 = 0
+
+ s0 += s12 * 666643
+ s1 += s12 * 470296
+ s2 += s12 * 654183
+ s3 -= s12 * 997805
+ s4 += s12 * 136657
+ s5 -= s12 * 683901
+ s12 = 0
+
+ carry[0] = (s0 + (1 << 20)) >> 21
+ s1 += carry[0]
+ s0 -= carry[0] << 21
+ carry[2] = (s2 + (1 << 20)) >> 21
+ s3 += carry[2]
+ s2 -= carry[2] << 21
+ carry[4] = (s4 + (1 << 20)) >> 21
+ s5 += carry[4]
+ s4 -= carry[4] << 21
+ carry[6] = (s6 + (1 << 20)) >> 21
+ s7 += carry[6]
+ s6 -= carry[6] << 21
+ carry[8] = (s8 + (1 << 20)) >> 21
+ s9 += carry[8]
+ s8 -= carry[8] << 21
+ carry[10] = (s10 + (1 << 20)) >> 21
+ s11 += carry[10]
+ s10 -= carry[10] << 21
+
+ carry[1] = (s1 + (1 << 20)) >> 21
+ s2 += carry[1]
+ s1 -= carry[1] << 21
+ carry[3] = (s3 + (1 << 20)) >> 21
+ s4 += carry[3]
+ s3 -= carry[3] << 21
+ carry[5] = (s5 + (1 << 20)) >> 21
+ s6 += carry[5]
+ s5 -= carry[5] << 21
+ carry[7] = (s7 + (1 << 20)) >> 21
+ s8 += carry[7]
+ s7 -= carry[7] << 21
+ carry[9] = (s9 + (1 << 20)) >> 21
+ s10 += carry[9]
+ s9 -= carry[9] << 21
+ carry[11] = (s11 + (1 << 20)) >> 21
+ s12 += carry[11]
+ s11 -= carry[11] << 21
+
+ s0 += s12 * 666643
+ s1 += s12 * 470296
+ s2 += s12 * 654183
+ s3 -= s12 * 997805
+ s4 += s12 * 136657
+ s5 -= s12 * 683901
+ s12 = 0
+
+ carry[0] = s0 >> 21
+ s1 += carry[0]
+ s0 -= carry[0] << 21
+ carry[1] = s1 >> 21
+ s2 += carry[1]
+ s1 -= carry[1] << 21
+ carry[2] = s2 >> 21
+ s3 += carry[2]
+ s2 -= carry[2] << 21
+ carry[3] = s3 >> 21
+ s4 += carry[3]
+ s3 -= carry[3] << 21
+ carry[4] = s4 >> 21
+ s5 += carry[4]
+ s4 -= carry[4] << 21
+ carry[5] = s5 >> 21
+ s6 += carry[5]
+ s5 -= carry[5] << 21
+ carry[6] = s6 >> 21
+ s7 += carry[6]
+ s6 -= carry[6] << 21
+ carry[7] = s7 >> 21
+ s8 += carry[7]
+ s7 -= carry[7] << 21
+ carry[8] = s8 >> 21
+ s9 += carry[8]
+ s8 -= carry[8] << 21
+ carry[9] = s9 >> 21
+ s10 += carry[9]
+ s9 -= carry[9] << 21
+ carry[10] = s10 >> 21
+ s11 += carry[10]
+ s10 -= carry[10] << 21
+ carry[11] = s11 >> 21
+ s12 += carry[11]
+ s11 -= carry[11] << 21
+
+ s0 += s12 * 666643
+ s1 += s12 * 470296
+ s2 += s12 * 654183
+ s3 -= s12 * 997805
+ s4 += s12 * 136657
+ s5 -= s12 * 683901
+ s12 = 0
+
+ carry[0] = s0 >> 21
+ s1 += carry[0]
+ s0 -= carry[0] << 21
+ carry[1] = s1 >> 21
+ s2 += carry[1]
+ s1 -= carry[1] << 21
+ carry[2] = s2 >> 21
+ s3 += carry[2]
+ s2 -= carry[2] << 21
+ carry[3] = s3 >> 21
+ s4 += carry[3]
+ s3 -= carry[3] << 21
+ carry[4] = s4 >> 21
+ s5 += carry[4]
+ s4 -= carry[4] << 21
+ carry[5] = s5 >> 21
+ s6 += carry[5]
+ s5 -= carry[5] << 21
+ carry[6] = s6 >> 21
+ s7 += carry[6]
+ s6 -= carry[6] << 21
+ carry[7] = s7 >> 21
+ s8 += carry[7]
+ s7 -= carry[7] << 21
+ carry[8] = s8 >> 21
+ s9 += carry[8]
+ s8 -= carry[8] << 21
+ carry[9] = s9 >> 21
+ s10 += carry[9]
+ s9 -= carry[9] << 21
+ carry[10] = s10 >> 21
+ s11 += carry[10]
+ s10 -= carry[10] << 21
+
+ s[0] = byte(s0 >> 0)
+ s[1] = byte(s0 >> 8)
+ s[2] = byte((s0 >> 16) | (s1 << 5))
+ s[3] = byte(s1 >> 3)
+ s[4] = byte(s1 >> 11)
+ s[5] = byte((s1 >> 19) | (s2 << 2))
+ s[6] = byte(s2 >> 6)
+ s[7] = byte((s2 >> 14) | (s3 << 7))
+ s[8] = byte(s3 >> 1)
+ s[9] = byte(s3 >> 9)
+ s[10] = byte((s3 >> 17) | (s4 << 4))
+ s[11] = byte(s4 >> 4)
+ s[12] = byte(s4 >> 12)
+ s[13] = byte((s4 >> 20) | (s5 << 1))
+ s[14] = byte(s5 >> 7)
+ s[15] = byte((s5 >> 15) | (s6 << 6))
+ s[16] = byte(s6 >> 2)
+ s[17] = byte(s6 >> 10)
+ s[18] = byte((s6 >> 18) | (s7 << 3))
+ s[19] = byte(s7 >> 5)
+ s[20] = byte(s7 >> 13)
+ s[21] = byte(s8 >> 0)
+ s[22] = byte(s8 >> 8)
+ s[23] = byte((s8 >> 16) | (s9 << 5))
+ s[24] = byte(s9 >> 3)
+ s[25] = byte(s9 >> 11)
+ s[26] = byte((s9 >> 19) | (s10 << 2))
+ s[27] = byte(s10 >> 6)
+ s[28] = byte((s10 >> 14) | (s11 << 7))
+ s[29] = byte(s11 >> 1)
+ s[30] = byte(s11 >> 9)
+ s[31] = byte(s11 >> 17)
+}
+
+// Input:
+// s[0]+256*s[1]+...+256^63*s[63] = s
+//
+// Output:
+// s[0]+256*s[1]+...+256^31*s[31] = s mod l
+// where l = 2^252 + 27742317777372353535851937790883648493.
+func ScReduce(out *[32]byte, s *[64]byte) {
+ s0 := 2097151 & load3(s[:])
+ s1 := 2097151 & (load4(s[2:]) >> 5)
+ s2 := 2097151 & (load3(s[5:]) >> 2)
+ s3 := 2097151 & (load4(s[7:]) >> 7)
+ s4 := 2097151 & (load4(s[10:]) >> 4)
+ s5 := 2097151 & (load3(s[13:]) >> 1)
+ s6 := 2097151 & (load4(s[15:]) >> 6)
+ s7 := 2097151 & (load3(s[18:]) >> 3)
+ s8 := 2097151 & load3(s[21:])
+ s9 := 2097151 & (load4(s[23:]) >> 5)
+ s10 := 2097151 & (load3(s[26:]) >> 2)
+ s11 := 2097151 & (load4(s[28:]) >> 7)
+ s12 := 2097151 & (load4(s[31:]) >> 4)
+ s13 := 2097151 & (load3(s[34:]) >> 1)
+ s14 := 2097151 & (load4(s[36:]) >> 6)
+ s15 := 2097151 & (load3(s[39:]) >> 3)
+ s16 := 2097151 & load3(s[42:])
+ s17 := 2097151 & (load4(s[44:]) >> 5)
+ s18 := 2097151 & (load3(s[47:]) >> 2)
+ s19 := 2097151 & (load4(s[49:]) >> 7)
+ s20 := 2097151 & (load4(s[52:]) >> 4)
+ s21 := 2097151 & (load3(s[55:]) >> 1)
+ s22 := 2097151 & (load4(s[57:]) >> 6)
+ s23 := (load4(s[60:]) >> 3)
+
+ s11 += s23 * 666643
+ s12 += s23 * 470296
+ s13 += s23 * 654183
+ s14 -= s23 * 997805
+ s15 += s23 * 136657
+ s16 -= s23 * 683901
+ s23 = 0
+
+ s10 += s22 * 666643
+ s11 += s22 * 470296
+ s12 += s22 * 654183
+ s13 -= s22 * 997805
+ s14 += s22 * 136657
+ s15 -= s22 * 683901
+ s22 = 0
+
+ s9 += s21 * 666643
+ s10 += s21 * 470296
+ s11 += s21 * 654183
+ s12 -= s21 * 997805
+ s13 += s21 * 136657
+ s14 -= s21 * 683901
+ s21 = 0
+
+ s8 += s20 * 666643
+ s9 += s20 * 470296
+ s10 += s20 * 654183
+ s11 -= s20 * 997805
+ s12 += s20 * 136657
+ s13 -= s20 * 683901
+ s20 = 0
+
+ s7 += s19 * 666643
+ s8 += s19 * 470296
+ s9 += s19 * 654183
+ s10 -= s19 * 997805
+ s11 += s19 * 136657
+ s12 -= s19 * 683901
+ s19 = 0
+
+ s6 += s18 * 666643
+ s7 += s18 * 470296
+ s8 += s18 * 654183
+ s9 -= s18 * 997805
+ s10 += s18 * 136657
+ s11 -= s18 * 683901
+ s18 = 0
+
+ var carry [17]int64
+
+ carry[6] = (s6 + (1 << 20)) >> 21
+ s7 += carry[6]
+ s6 -= carry[6] << 21
+ carry[8] = (s8 + (1 << 20)) >> 21
+ s9 += carry[8]
+ s8 -= carry[8] << 21
+ carry[10] = (s10 + (1 << 20)) >> 21
+ s11 += carry[10]
+ s10 -= carry[10] << 21
+ carry[12] = (s12 + (1 << 20)) >> 21
+ s13 += carry[12]
+ s12 -= carry[12] << 21
+ carry[14] = (s14 + (1 << 20)) >> 21
+ s15 += carry[14]
+ s14 -= carry[14] << 21
+ carry[16] = (s16 + (1 << 20)) >> 21
+ s17 += carry[16]
+ s16 -= carry[16] << 21
+
+ carry[7] = (s7 + (1 << 20)) >> 21
+ s8 += carry[7]
+ s7 -= carry[7] << 21
+ carry[9] = (s9 + (1 << 20)) >> 21
+ s10 += carry[9]
+ s9 -= carry[9] << 21
+ carry[11] = (s11 + (1 << 20)) >> 21
+ s12 += carry[11]
+ s11 -= carry[11] << 21
+ carry[13] = (s13 + (1 << 20)) >> 21
+ s14 += carry[13]
+ s13 -= carry[13] << 21
+ carry[15] = (s15 + (1 << 20)) >> 21
+ s16 += carry[15]
+ s15 -= carry[15] << 21
+
+ s5 += s17 * 666643
+ s6 += s17 * 470296
+ s7 += s17 * 654183
+ s8 -= s17 * 997805
+ s9 += s17 * 136657
+ s10 -= s17 * 683901
+ s17 = 0
+
+ s4 += s16 * 666643
+ s5 += s16 * 470296
+ s6 += s16 * 654183
+ s7 -= s16 * 997805
+ s8 += s16 * 136657
+ s9 -= s16 * 683901
+ s16 = 0
+
+ s3 += s15 * 666643
+ s4 += s15 * 470296
+ s5 += s15 * 654183
+ s6 -= s15 * 997805
+ s7 += s15 * 136657
+ s8 -= s15 * 683901
+ s15 = 0
+
+ s2 += s14 * 666643
+ s3 += s14 * 470296
+ s4 += s14 * 654183
+ s5 -= s14 * 997805
+ s6 += s14 * 136657
+ s7 -= s14 * 683901
+ s14 = 0
+
+ s1 += s13 * 666643
+ s2 += s13 * 470296
+ s3 += s13 * 654183
+ s4 -= s13 * 997805
+ s5 += s13 * 136657
+ s6 -= s13 * 683901
+ s13 = 0
+
+ s0 += s12 * 666643
+ s1 += s12 * 470296
+ s2 += s12 * 654183
+ s3 -= s12 * 997805
+ s4 += s12 * 136657
+ s5 -= s12 * 683901
+ s12 = 0
+
+ carry[0] = (s0 + (1 << 20)) >> 21
+ s1 += carry[0]
+ s0 -= carry[0] << 21
+ carry[2] = (s2 + (1 << 20)) >> 21
+ s3 += carry[2]
+ s2 -= carry[2] << 21
+ carry[4] = (s4 + (1 << 20)) >> 21
+ s5 += carry[4]
+ s4 -= carry[4] << 21
+ carry[6] = (s6 + (1 << 20)) >> 21
+ s7 += carry[6]
+ s6 -= carry[6] << 21
+ carry[8] = (s8 + (1 << 20)) >> 21
+ s9 += carry[8]
+ s8 -= carry[8] << 21
+ carry[10] = (s10 + (1 << 20)) >> 21
+ s11 += carry[10]
+ s10 -= carry[10] << 21
+
+ carry[1] = (s1 + (1 << 20)) >> 21
+ s2 += carry[1]
+ s1 -= carry[1] << 21
+ carry[3] = (s3 + (1 << 20)) >> 21
+ s4 += carry[3]
+ s3 -= carry[3] << 21
+ carry[5] = (s5 + (1 << 20)) >> 21
+ s6 += carry[5]
+ s5 -= carry[5] << 21
+ carry[7] = (s7 + (1 << 20)) >> 21
+ s8 += carry[7]
+ s7 -= carry[7] << 21
+ carry[9] = (s9 + (1 << 20)) >> 21
+ s10 += carry[9]
+ s9 -= carry[9] << 21
+ carry[11] = (s11 + (1 << 20)) >> 21
+ s12 += carry[11]
+ s11 -= carry[11] << 21
+
+ s0 += s12 * 666643
+ s1 += s12 * 470296
+ s2 += s12 * 654183
+ s3 -= s12 * 997805
+ s4 += s12 * 136657
+ s5 -= s12 * 683901
+ s12 = 0
+
+ carry[0] = s0 >> 21
+ s1 += carry[0]
+ s0 -= carry[0] << 21
+ carry[1] = s1 >> 21
+ s2 += carry[1]
+ s1 -= carry[1] << 21
+ carry[2] = s2 >> 21
+ s3 += carry[2]
+ s2 -= carry[2] << 21
+ carry[3] = s3 >> 21
+ s4 += carry[3]
+ s3 -= carry[3] << 21
+ carry[4] = s4 >> 21
+ s5 += carry[4]
+ s4 -= carry[4] << 21
+ carry[5] = s5 >> 21
+ s6 += carry[5]
+ s5 -= carry[5] << 21
+ carry[6] = s6 >> 21
+ s7 += carry[6]
+ s6 -= carry[6] << 21
+ carry[7] = s7 >> 21
+ s8 += carry[7]
+ s7 -= carry[7] << 21
+ carry[8] = s8 >> 21
+ s9 += carry[8]
+ s8 -= carry[8] << 21
+ carry[9] = s9 >> 21
+ s10 += carry[9]
+ s9 -= carry[9] << 21
+ carry[10] = s10 >> 21
+ s11 += carry[10]
+ s10 -= carry[10] << 21
+ carry[11] = s11 >> 21
+ s12 += carry[11]
+ s11 -= carry[11] << 21
+
+ s0 += s12 * 666643
+ s1 += s12 * 470296
+ s2 += s12 * 654183
+ s3 -= s12 * 997805
+ s4 += s12 * 136657
+ s5 -= s12 * 683901
+ s12 = 0
+
+ carry[0] = s0 >> 21
+ s1 += carry[0]
+ s0 -= carry[0] << 21
+ carry[1] = s1 >> 21
+ s2 += carry[1]
+ s1 -= carry[1] << 21
+ carry[2] = s2 >> 21
+ s3 += carry[2]
+ s2 -= carry[2] << 21
+ carry[3] = s3 >> 21
+ s4 += carry[3]
+ s3 -= carry[3] << 21
+ carry[4] = s4 >> 21
+ s5 += carry[4]
+ s4 -= carry[4] << 21
+ carry[5] = s5 >> 21
+ s6 += carry[5]
+ s5 -= carry[5] << 21
+ carry[6] = s6 >> 21
+ s7 += carry[6]
+ s6 -= carry[6] << 21
+ carry[7] = s7 >> 21
+ s8 += carry[7]
+ s7 -= carry[7] << 21
+ carry[8] = s8 >> 21
+ s9 += carry[8]
+ s8 -= carry[8] << 21
+ carry[9] = s9 >> 21
+ s10 += carry[9]
+ s9 -= carry[9] << 21
+ carry[10] = s10 >> 21
+ s11 += carry[10]
+ s10 -= carry[10] << 21
+
+ out[0] = byte(s0 >> 0)
+ out[1] = byte(s0 >> 8)
+ out[2] = byte((s0 >> 16) | (s1 << 5))
+ out[3] = byte(s1 >> 3)
+ out[4] = byte(s1 >> 11)
+ out[5] = byte((s1 >> 19) | (s2 << 2))
+ out[6] = byte(s2 >> 6)
+ out[7] = byte((s2 >> 14) | (s3 << 7))
+ out[8] = byte(s3 >> 1)
+ out[9] = byte(s3 >> 9)
+ out[10] = byte((s3 >> 17) | (s4 << 4))
+ out[11] = byte(s4 >> 4)
+ out[12] = byte(s4 >> 12)
+ out[13] = byte((s4 >> 20) | (s5 << 1))
+ out[14] = byte(s5 >> 7)
+ out[15] = byte((s5 >> 15) | (s6 << 6))
+ out[16] = byte(s6 >> 2)
+ out[17] = byte(s6 >> 10)
+ out[18] = byte((s6 >> 18) | (s7 << 3))
+ out[19] = byte(s7 >> 5)
+ out[20] = byte(s7 >> 13)
+ out[21] = byte(s8 >> 0)
+ out[22] = byte(s8 >> 8)
+ out[23] = byte((s8 >> 16) | (s9 << 5))
+ out[24] = byte(s9 >> 3)
+ out[25] = byte(s9 >> 11)
+ out[26] = byte((s9 >> 19) | (s10 << 2))
+ out[27] = byte(s10 >> 6)
+ out[28] = byte((s10 >> 14) | (s11 << 7))
+ out[29] = byte(s11 >> 1)
+ out[30] = byte(s11 >> 9)
+ out[31] = byte(s11 >> 17)
+}
diff --git a/vendor/github.com/bytom/crypto/ed25519/testdata/sign.input.gz b/vendor/github.com/bytom/crypto/ed25519/testdata/sign.input.gz
new file mode 100644
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