add init consensus node as fed node (#97)

[bytom/vapor.git] / consensus / federation / federation.go

diff --git a/consensus/federation/federation.go b/consensus/federation/federation.go
deleted file mode 100644 (file)
index f4555e1..0000000
--- a/consensus/federation/federation.go
+++ /dev/null
@@ -1,78 +0,0 @@
-package federation
-
-import (
-       "encoding/json"
-       "errors"
-
-       log "github.com/sirupsen/logrus"
-
-       "github.com/vapor/crypto/ed25519"
-       "github.com/vapor/crypto/ed25519/chainkd"
-       "github.com/vapor/protocol/vm/vmutil"
-)
-
-const fedCfgJson = `
-{
-    "xpubs" : [
-       "7f23aae65ee4307c38d342699e328f21834488e18191ebd66823d220b5a58303496c9d09731784372bade78d5e9a4a6249b2cfe2e3a85464e5a4017aa5611e47",
-       "585e20143db413e45fbc82f03cb61f177e9916ef1df0012daa8cbf6dbb1025ce8f98e51ae319327b63505b64fdbbf6d36ef916d79e6dd67d51b0bfe76fe544c5",
-       "b58170b51ca61604028ba1cb412377dfc2bc6567c0afc84c83aae1c0c297d0227ccf568561df70851f4144bbf069b525129f2434133c145e35949375b22a6c9d",
-       "983705ae71949c1a5d0fcf953658dd9ecc549f02c63e197b4d087ae31148097ece816bbc60d9012c316139fc550fa0f4b00beb0887f6b152f7a69bc8f392b9fa",
-       "d72fb92fa13bf3e0deb39de3a47c8d6eef5584719f7877c82a4c009f78fddf924d9706d48f15b2c782ec80b6bdd621a1f7ba2a0044b0e6f92245de9436885cb9",
-       "6798460919e8dc7095ee8b9f9d65033ef3da8c2334813149da5a1e52e9c6da07ba7d0e7379baaa0c8bdcb21890a54e6b7290bee077c645ee4b74b0c1ae9da59a"
-    ],
-    "quorum" : 4
-}
-`
-
-type federation struct {
-       XPubs          []chainkd.XPub `json:"xpubs"`
-       Quorum         int            `json:"quorum"`
-       ControlProgram []byte
-}
-
-func parseFedConfig() *federation {
-       fed := &federation{}
-       if err := json.Unmarshal([]byte(fedCfgJson), fed); err != nil {
-               log.Fatalln("invalid federation config json")
-       }
-
-       return fed
-}
-
-// CheckFedConfig checks the high-level rule for federation config, whereas
-// signers.Create checks the low-level rule
-func CheckFedConfig() error {
-       fed := parseFedConfig()
-       if len(fed.XPubs) <= 1 {
-               return errors.New("federation should have more than 1 member")
-       }
-       if fed.Quorum < 1 {
-               return errors.New("federation quorum should be >= 1")
-       }
-
-       return nil
-}
-
-func GetFederation() *federation {
-       fed := parseFedConfig()
-       PublicKeys := chainkd.XPubKeys(fed.XPubs)
-       if controlProgram, err := fed.buildPegInControlProgram(PublicKeys); err == nil {
-               fed.ControlProgram = controlProgram
-       } else {
-               log.Fatalf("fail to build peg-in script: %v", err)
-       }
-
-       return fed
-}
-
-func (f *federation) buildPegInControlProgram(pubkeys []ed25519.PublicKey) (program []byte, err error) {
-       controlProg, err := vmutil.P2SPMultiSigProgram(pubkeys, f.Quorum)
-       if err != nil {
-               return nil, err
-       }
-
-       builder := vmutil.NewBuilder()
-       builder.AddRawBytes(controlProg)
-       return builder.Build()
-}