wallet/annotated.go

   1 package wallet
   2
   3 import (
   4         "encoding/json"
   5         "fmt"
   6
   7         log "github.com/sirupsen/logrus"
   8         "github.com/tendermint/tmlibs/db"
   9
  10         "github.com/vapor/account"
  11         "github.com/vapor/asset"
  12         "github.com/vapor/blockchain/query"
  13         "github.com/vapor/blockchain/signers"
  14         "github.com/vapor/common"
  15         "github.com/vapor/consensus"
  16         "github.com/vapor/consensus/segwit"
  17         "github.com/vapor/crypto/sha3pool"
  18         "github.com/vapor/protocol/bc"
  19         "github.com/vapor/protocol/bc/types"
  20         "github.com/vapor/protocol/vm/vmutil"
  21 )
  22
  23 // annotateTxs adds asset data to transactions
  24 func annotateTxsAsset(w *Wallet, txs []*query.AnnotatedTx) {
  25         for i, tx := range txs {
  26                 for j, input := range tx.Inputs {
  27                         alias, definition := w.getAliasDefinition(input.AssetID)
  28                         txs[i].Inputs[j].AssetAlias, txs[i].Inputs[j].AssetDefinition = alias, &definition
  29                 }
  30                 for k, output := range tx.Outputs {
  31                         alias, definition := w.getAliasDefinition(output.AssetID)
  32                         txs[i].Outputs[k].AssetAlias, txs[i].Outputs[k].AssetDefinition = alias, &definition
  33                 }
  34         }
  35 }
  36
  37 func (w *Wallet) getExternalDefinition(assetID *bc.AssetID) json.RawMessage {
  38         definitionByte := w.DB.Get(asset.ExtAssetKey(assetID))
  39         if definitionByte == nil {
  40                 return nil
  41         }
  42
  43         definitionMap := make(map[string]interface{})
  44         if err := json.Unmarshal(definitionByte, &definitionMap); err != nil {
  45                 return nil
  46         }
  47
  48         alias := assetID.String()
  49         externalAsset := &asset.Asset{
  50                 AssetID:           *assetID,
  51                 Alias:             &alias,
  52                 DefinitionMap:     definitionMap,
  53                 RawDefinitionByte: definitionByte,
  54                 Signer:            &signers.Signer{Type: "external"},
  55         }
  56
  57         if err := w.AssetReg.SaveAsset(externalAsset, alias); err != nil {
  58                 log.WithFields(log.Fields{"err": err, "assetID": alias}).Warning("fail on save external asset to internal asset DB")
  59         }
  60         return definitionByte
  61 }
  62
  63 func (w *Wallet) getAliasDefinition(assetID bc.AssetID) (string, json.RawMessage) {
  64         //btm
  65         if assetID.String() == consensus.BTMAssetID.String() {
  66                 alias := consensus.BTMAlias
  67                 definition := []byte(asset.DefaultNativeAsset.RawDefinitionByte)
  68
  69                 return alias, definition
  70         }
  71
  72         //local asset and saved external asset
  73         if localAsset, err := w.AssetReg.FindByID(nil, &assetID); err == nil {
  74                 alias := *localAsset.Alias
  75                 definition := []byte(localAsset.RawDefinitionByte)
  76                 return alias, definition
  77         }
  78
  79         //external asset
  80         if definition := w.getExternalDefinition(&assetID); definition != nil {
  81                 return assetID.String(), definition
  82         }
  83
  84         return "", nil
  85 }
  86
  87 // annotateTxs adds account data to transactions
  88 func annotateTxsAccount(txs []*query.AnnotatedTx, walletDB db.DB) {
  89         for i, tx := range txs {
  90                 for j, input := range tx.Inputs {
  91                         //issue asset tx input SpentOutputID is nil
  92                         if input.SpentOutputID == nil {
  93                                 continue
  94                         }
  95                         localAccount, err := getAccountFromACP(input.ControlProgram, walletDB)
  96                         if localAccount == nil || err != nil {
  97                                 continue
  98                         }
  99                         txs[i].Inputs[j].AccountAlias = localAccount.Alias
 100                         txs[i].Inputs[j].AccountID = localAccount.ID
 101                 }
 102                 for j, output := range tx.Outputs {
 103                         localAccount, err := getAccountFromACP(output.ControlProgram, walletDB)
 104                         if localAccount == nil || err != nil {
 105                                 continue
 106                         }
 107                         txs[i].Outputs[j].AccountAlias = localAccount.Alias
 108                         txs[i].Outputs[j].AccountID = localAccount.ID
 109                 }
 110         }
 111 }
 112
 113 func getAccountFromACP(program []byte, walletDB db.DB) (*account.Account, error) {
 114         var hash common.Hash
 115         accountCP := account.CtrlProgram{}
 116         localAccount := account.Account{}
 117
 118         sha3pool.Sum256(hash[:], program)
 119
 120         rawProgram := walletDB.Get(account.ContractKey(hash))
 121         if rawProgram == nil {
 122                 return nil, fmt.Errorf("failed get account control program:%x ", hash)
 123         }
 124
 125         if err := json.Unmarshal(rawProgram, &accountCP); err != nil {
 126                 return nil, err
 127         }
 128
 129         accountValue := walletDB.Get(account.Key(accountCP.AccountID))
 130         if accountValue == nil {
 131                 return nil, fmt.Errorf("failed get account:%s ", accountCP.AccountID)
 132         }
 133
 134         if err := json.Unmarshal(accountValue, &localAccount); err != nil {
 135                 return nil, err
 136         }
 137
 138         return &localAccount, nil
 139 }
 140
 141 var emptyJSONObject = json.RawMessage(`{}`)
 142
 143 func isValidJSON(b []byte) bool {
 144         var v interface{}
 145         err := json.Unmarshal(b, &v)
 146         return err == nil
 147 }
 148
 149 func (w *Wallet) buildAnnotatedTransaction(orig *types.Tx, b *types.Block, statusFail bool, indexInBlock int) *query.AnnotatedTx {
 150         tx := &query.AnnotatedTx{
 151                 ID:                     orig.ID,
 152                 Timestamp:              b.Timestamp,
 153                 BlockID:                b.Hash(),
 154                 BlockHeight:            b.Height,
 155                 Position:               uint32(indexInBlock),
 156                 BlockTransactionsCount: uint32(len(b.Transactions)),
 157                 Inputs:                 make([]*query.AnnotatedInput, 0, len(orig.Inputs)),
 158                 Outputs:                make([]*query.AnnotatedOutput, 0, len(orig.Outputs)),
 159                 StatusFail:             statusFail,
 160                 Size:                   orig.SerializedSize,
 161         }
 162         for i := range orig.Inputs {
 163                 tx.Inputs = append(tx.Inputs, w.BuildAnnotatedInput(orig, uint32(i)))
 164         }
 165         for i := range orig.Outputs {
 166                 tx.Outputs = append(tx.Outputs, w.BuildAnnotatedOutput(orig, i))
 167         }
 168         return tx
 169 }
 170
 171 // BuildAnnotatedInput build the annotated input.
 172 func (w *Wallet) BuildAnnotatedInput(tx *types.Tx, i uint32) *query.AnnotatedInput {
 173         orig := tx.Inputs[i]
 174         in := &query.AnnotatedInput{
 175                 AssetDefinition: &emptyJSONObject,
 176         }
 177         if orig.InputType() != types.CoinbaseInputType {
 178                 in.AssetID = orig.AssetID()
 179                 in.Amount = orig.Amount()
 180         }
 181
 182         id := tx.Tx.InputIDs[i]
 183         in.InputID = id
 184         e := tx.Entries[id]
 185         switch e := e.(type) {
 186         case *bc.Spend:
 187                 in.Type = "spend"
 188                 in.ControlProgram = orig.ControlProgram()
 189                 in.Address = w.getAddressFromControlProgram(in.ControlProgram)
 190                 in.SpentOutputID = e.SpentOutputId
 191                 arguments := orig.Arguments()
 192                 for _, arg := range arguments {
 193                         in.WitnessArguments = append(in.WitnessArguments, arg)
 194                 }
 195         case *bc.Issuance:
 196                 in.Type = "issue"
 197                 in.IssuanceProgram = orig.IssuanceProgram()
 198                 arguments := orig.Arguments()
 199                 for _, arg := range arguments {
 200                         in.WitnessArguments = append(in.WitnessArguments, arg)
 201                 }
 202                 if assetDefinition := orig.AssetDefinition(); isValidJSON(assetDefinition) {
 203                         assetDefinition := json.RawMessage(assetDefinition)
 204                         in.AssetDefinition = &assetDefinition
 205                 }
 206         case *bc.Coinbase:
 207                 in.Type = "coinbase"
 208                 in.Arbitrary = e.Arbitrary
 209         case *bc.Claim:
 210                 in.Type = "claim"
 211                 in.ControlProgram = orig.ControlProgram()
 212                 in.Address = w.getAddressFromControlProgram(in.ControlProgram)
 213                 in.SpentOutputID = e.SpentOutputId
 214                 in.Peginwitness = orig.Peginwitness
 215                 arguments := orig.Arguments()
 216                 for _, arg := range arguments {
 217                         in.WitnessArguments = append(in.WitnessArguments, arg)
 218                 }
 219         }
 220         return in
 221 }
 222
 223 func (w *Wallet) getAddressFromControlProgram(prog []byte) string {
 224         if segwit.IsP2WPKHScript(prog) {
 225                 if pubHash, err := segwit.GetHashFromStandardProg(prog); err == nil {
 226                         return buildP2PKHAddress(pubHash)
 227                 }
 228         } else if segwit.IsP2WSHScript(prog) {
 229                 if scriptHash, err := segwit.GetHashFromStandardProg(prog); err == nil {
 230                         return buildP2SHAddress(scriptHash)
 231                 }
 232         }
 233
 234         return ""
 235 }
 236
 237 func buildP2PKHAddress(pubHash []byte) string {
 238         address, err := common.NewAddressWitnessPubKeyHash(pubHash, &consensus.ActiveNetParams)
 239         if err != nil {
 240                 return ""
 241         }
 242
 243         return address.EncodeAddress()
 244 }
 245
 246 func buildP2SHAddress(scriptHash []byte) string {
 247         address, err := common.NewAddressWitnessScriptHash(scriptHash, &consensus.ActiveNetParams)
 248         if err != nil {
 249                 return ""
 250         }
 251
 252         return address.EncodeAddress()
 253 }
 254
 255 // BuildAnnotatedOutput build the annotated output.
 256 func (w *Wallet) BuildAnnotatedOutput(tx *types.Tx, idx int) *query.AnnotatedOutput {
 257         orig := tx.Outputs[idx]
 258         outid := tx.OutputID(idx)
 259         out := &query.AnnotatedOutput{
 260                 OutputID:        *outid,
 261                 Position:        idx,
 262                 AssetID:         *orig.AssetId,
 263                 AssetDefinition: &emptyJSONObject,
 264                 Amount:          orig.Amount,
 265                 ControlProgram:  orig.ControlProgram,
 266                 Address:         w.getAddressFromControlProgram(orig.ControlProgram),
 267         }
 268
 269         if vmutil.IsUnspendable(out.ControlProgram) {
 270                 out.Type = "retire"
 271         } else {
 272                 out.Type = "control"
 273         }
 274         return out
 275 }