--- /dev/null
+package wallet
+
+import (
+ "encoding/json"
+ "fmt"
+
+ log "github.com/sirupsen/logrus"
+
+ "github.com/vapor/account"
+ "github.com/vapor/asset"
+ "github.com/vapor/blockchain/query"
+ "github.com/vapor/blockchain/signers"
+ "github.com/vapor/common"
+ "github.com/vapor/consensus"
+ "github.com/vapor/consensus/segwit"
+ "github.com/vapor/crypto/sha3pool"
+ dbm "github.com/vapor/database/leveldb"
+ "github.com/vapor/protocol/bc"
+ "github.com/vapor/protocol/bc/types"
+ "github.com/vapor/protocol/vm/vmutil"
+)
+
+// annotateTxs adds asset data to transactions
+func annotateTxsAsset(w *Wallet, txs []*query.AnnotatedTx) {
+ for i, tx := range txs {
+ for j, input := range tx.Inputs {
+ alias, definition := w.getAliasDefinition(input.AssetID)
+ txs[i].Inputs[j].AssetAlias, txs[i].Inputs[j].AssetDefinition = alias, &definition
+ }
+ for k, output := range tx.Outputs {
+ alias, definition := w.getAliasDefinition(output.AssetID)
+ txs[i].Outputs[k].AssetAlias, txs[i].Outputs[k].AssetDefinition = alias, &definition
+ }
+ }
+}
+
+func (w *Wallet) getExternalDefinition(assetID *bc.AssetID) json.RawMessage {
+ definitionByte := w.DB.Get(asset.ExtAssetKey(assetID))
+ if definitionByte == nil {
+ return nil
+ }
+
+ definitionMap := make(map[string]interface{})
+ if err := json.Unmarshal(definitionByte, &definitionMap); err != nil {
+ return nil
+ }
+
+ alias := assetID.String()
+ externalAsset := &asset.Asset{
+ AssetID: *assetID,
+ Alias: &alias,
+ DefinitionMap: definitionMap,
+ RawDefinitionByte: definitionByte,
+ Signer: &signers.Signer{Type: "external"},
+ }
+
+ if err := w.AssetReg.SaveAsset(externalAsset, alias); err != nil {
+ log.WithFields(log.Fields{"module": logModule, "err": err, "assetID": alias}).Warning("fail on save external asset to internal asset DB")
+ }
+ return definitionByte
+}
+
+func (w *Wallet) getAliasDefinition(assetID bc.AssetID) (string, json.RawMessage) {
+ //btm
+ if assetID.String() == consensus.BTMAssetID.String() {
+ alias := consensus.BTMAlias
+ definition := []byte(asset.DefaultNativeAsset.RawDefinitionByte)
+
+ return alias, definition
+ }
+
+ //local asset and saved external asset
+ if localAsset, err := w.AssetReg.FindByID(nil, &assetID); err == nil {
+ alias := *localAsset.Alias
+ definition := []byte(localAsset.RawDefinitionByte)
+ return alias, definition
+ }
+
+ //external asset
+ if definition := w.getExternalDefinition(&assetID); definition != nil {
+ return assetID.String(), definition
+ }
+
+ return "", nil
+}
+
+// annotateTxs adds account data to transactions
+func annotateTxsAccount(txs []*query.AnnotatedTx, walletDB dbm.DB) {
+ for i, tx := range txs {
+ for j, input := range tx.Inputs {
+ //issue asset tx input SpentOutputID is nil
+ if input.SpentOutputID == nil {
+ continue
+ }
+ localAccount, err := getAccountFromACP(input.ControlProgram, walletDB)
+ if localAccount == nil || err != nil {
+ continue
+ }
+ txs[i].Inputs[j].AccountAlias = localAccount.Alias
+ txs[i].Inputs[j].AccountID = localAccount.ID
+ }
+ for j, output := range tx.Outputs {
+ localAccount, err := getAccountFromACP(output.ControlProgram, walletDB)
+ if localAccount == nil || err != nil {
+ continue
+ }
+ txs[i].Outputs[j].AccountAlias = localAccount.Alias
+ txs[i].Outputs[j].AccountID = localAccount.ID
+ }
+ }
+}
+
+func getAccountFromACP(program []byte, walletDB dbm.DB) (*account.Account, error) {
+ var hash common.Hash
+ accountCP := account.CtrlProgram{}
+ localAccount := account.Account{}
+
+ sha3pool.Sum256(hash[:], program)
+
+ rawProgram := walletDB.Get(account.ContractKey(hash))
+ if rawProgram == nil {
+ return nil, fmt.Errorf("failed get account control program:%x ", hash)
+ }
+
+ if err := json.Unmarshal(rawProgram, &accountCP); err != nil {
+ return nil, err
+ }
+
+ accountValue := walletDB.Get(account.Key(accountCP.AccountID))
+ if accountValue == nil {
+ return nil, fmt.Errorf("failed get account:%s ", accountCP.AccountID)
+ }
+
+ if err := json.Unmarshal(accountValue, &localAccount); err != nil {
+ return nil, err
+ }
+
+ return &localAccount, nil
+}
+
+var emptyJSONObject = json.RawMessage(`{}`)
+
+func isValidJSON(b []byte) bool {
+ var v interface{}
+ err := json.Unmarshal(b, &v)
+ return err == nil
+}
+
+func (w *Wallet) buildAnnotatedTransaction(orig *types.Tx, b *types.Block, statusFail bool, indexInBlock int) *query.AnnotatedTx {
+ tx := &query.AnnotatedTx{
+ ID: orig.ID,
+ Timestamp: b.Timestamp,
+ BlockID: b.Hash(),
+ BlockHeight: b.Height,
+ Position: uint32(indexInBlock),
+ BlockTransactionsCount: uint32(len(b.Transactions)),
+ Inputs: make([]*query.AnnotatedInput, 0, len(orig.Inputs)),
+ Outputs: make([]*query.AnnotatedOutput, 0, len(orig.Outputs)),
+ StatusFail: statusFail,
+ Size: orig.SerializedSize,
+ }
+ for i := range orig.Inputs {
+ tx.Inputs = append(tx.Inputs, w.BuildAnnotatedInput(orig, uint32(i)))
+ }
+ for i := range orig.Outputs {
+ tx.Outputs = append(tx.Outputs, w.BuildAnnotatedOutput(orig, i))
+ }
+ return tx
+}
+
+// BuildAnnotatedInput build the annotated input.
+func (w *Wallet) BuildAnnotatedInput(tx *types.Tx, i uint32) *query.AnnotatedInput {
+ orig := tx.Inputs[i]
+ in := &query.AnnotatedInput{
+ AssetDefinition: &emptyJSONObject,
+ }
+ if orig.InputType() != types.CoinbaseInputType {
+ in.AssetID = orig.AssetID()
+ in.Amount = orig.Amount()
+ }
+
+ id := tx.Tx.InputIDs[i]
+ in.InputID = id
+ e := tx.Entries[id]
+ switch e := e.(type) {
+ case *bc.Spend:
+ in.Type = "spend"
+ in.ControlProgram = orig.ControlProgram()
+ in.Address = w.getAddressFromControlProgram(in.ControlProgram)
+ in.SpentOutputID = e.SpentOutputId
+ arguments := orig.Arguments()
+ for _, arg := range arguments {
+ in.WitnessArguments = append(in.WitnessArguments, arg)
+ }
+ case *bc.Issuance:
+ in.Type = "issue"
+ in.IssuanceProgram = orig.IssuanceProgram()
+ arguments := orig.Arguments()
+ for _, arg := range arguments {
+ in.WitnessArguments = append(in.WitnessArguments, arg)
+ }
+ if assetDefinition := orig.AssetDefinition(); isValidJSON(assetDefinition) {
+ assetDefinition := json.RawMessage(assetDefinition)
+ in.AssetDefinition = &assetDefinition
+ }
+ case *bc.Coinbase:
+ in.Type = "coinbase"
+ in.Arbitrary = e.Arbitrary
+ }
+ return in
+}
+
+func (w *Wallet) getAddressFromControlProgram(prog []byte) string {
+ if segwit.IsP2WPKHScript(prog) {
+ if pubHash, err := segwit.GetHashFromStandardProg(prog); err == nil {
+ return buildP2PKHAddress(pubHash)
+ }
+ } else if segwit.IsP2WSHScript(prog) {
+ if scriptHash, err := segwit.GetHashFromStandardProg(prog); err == nil {
+ return buildP2SHAddress(scriptHash)
+ }
+ }
+
+ return ""
+}
+
+func buildP2PKHAddress(pubHash []byte) string {
+ address, err := common.NewAddressWitnessPubKeyHash(pubHash, &consensus.ActiveNetParams)
+ if err != nil {
+ return ""
+ }
+
+ return address.EncodeAddress()
+}
+
+func buildP2SHAddress(scriptHash []byte) string {
+ address, err := common.NewAddressWitnessScriptHash(scriptHash, &consensus.ActiveNetParams)
+ if err != nil {
+ return ""
+ }
+
+ return address.EncodeAddress()
+}
+
+// BuildAnnotatedOutput build the annotated output.
+func (w *Wallet) BuildAnnotatedOutput(tx *types.Tx, idx int) *query.AnnotatedOutput {
+ orig := tx.Outputs[idx]
+ outid := tx.OutputID(idx)
+ out := &query.AnnotatedOutput{
+ OutputID: *outid,
+ Position: idx,
+ AssetID: *orig.AssetId,
+ AssetDefinition: &emptyJSONObject,
+ Amount: orig.Amount,
+ ControlProgram: orig.ControlProgram,
+ Address: w.getAddressFromControlProgram(orig.ControlProgram),
+ }
+
+ if vmutil.IsUnspendable(out.ControlProgram) {
+ out.Type = "retire"
+ } else {
+ out.Type = "control"
+ }
+ return out
+}
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