wallet/annotated.go

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