4 log "github.com/sirupsen/logrus"
5 "golang.org/x/crypto/sha3"
7 "github.com/bytom/vapor/consensus"
8 "github.com/bytom/vapor/protocol/bc"
9 "github.com/bytom/vapor/protocol/vm"
10 "github.com/bytom/vapor/protocol/vm/vmutil"
13 // MapTx converts a types TxData object into its entries-based
15 func MapTx(oldTx *TxData) *bc.Tx {
16 txID, txHeader, entries := mapTx(oldTx)
21 InputIDs: make([]bc.Hash, len(oldTx.Inputs)),
24 spentOutputIDs := make(map[bc.Hash]bool)
25 mainchainOutputIDs := make(map[bc.Hash]bool)
26 for id, e := range entries {
28 switch e := e.(type) {
29 case *bc.CrossChainInput:
31 mainchainOutputIDs[*e.MainchainOutputId] = true
32 if *e.WitnessDestination.Value.AssetId == *consensus.BTMAssetID {
33 tx.GasInputIDs = append(tx.GasInputIDs, id)
38 spentOutputIDs[*e.SpentOutputId] = true
39 if *e.WitnessDestination.Value.AssetId == *consensus.BTMAssetID {
40 tx.GasInputIDs = append(tx.GasInputIDs, id)
45 spentOutputIDs[*e.SpentOutputId] = true
46 if *e.WitnessDestination.Value.AssetId == *consensus.BTMAssetID {
47 tx.GasInputIDs = append(tx.GasInputIDs, id)
52 tx.GasInputIDs = append(tx.GasInputIDs, id)
58 if ord < uint64(len(oldTx.Inputs)) {
63 for id := range spentOutputIDs {
64 tx.SpentOutputIDs = append(tx.SpentOutputIDs, id)
66 for id := range mainchainOutputIDs {
67 tx.MainchainOutputIDs = append(tx.MainchainOutputIDs, id)
72 func mapTx(tx *TxData) (headerID bc.Hash, hdr *bc.TxHeader, entryMap map[bc.Hash]bc.Entry) {
73 entryMap = make(map[bc.Hash]bc.Entry)
74 addEntry := func(e bc.Entry) bc.Hash {
82 vetoInputs []*bc.VetoInput
83 crossIns []*bc.CrossChainInput
87 muxSources := make([]*bc.ValueSource, len(tx.Inputs))
88 for i, input := range tx.Inputs {
89 switch inp := input.TypedInput.(type) {
91 // create entry for prevout
92 prog := &bc.Program{VmVersion: inp.VMVersion, Code: inp.ControlProgram}
93 src := &bc.ValueSource{
95 Value: &inp.AssetAmount,
96 Position: inp.SourcePosition,
98 prevout := bc.NewIntraChainOutput(src, prog, 0) // ordinal doesn't matter for prevouts, only for result outputs
99 prevoutID := addEntry(prevout)
100 // create entry for spend
101 spend := bc.NewSpend(&prevoutID, uint64(i))
102 spend.WitnessArguments = inp.Arguments
103 spendID := addEntry(spend)
105 muxSources[i] = &bc.ValueSource{
107 Value: &inp.AssetAmount,
109 spends = append(spends, spend)
112 coinbase = bc.NewCoinbase(inp.Arbitrary)
113 coinbaseID := addEntry(coinbase)
114 totalAmount := uint64(0)
115 for _, out := range tx.Outputs {
116 totalAmount += out.AssetAmount().Amount
118 muxSources[i] = &bc.ValueSource{
120 Value: &bc.AssetAmount{
121 AssetId: consensus.BTMAssetID,
127 prog := &bc.Program{VmVersion: inp.VMVersion, Code: inp.ControlProgram}
128 src := &bc.ValueSource{
130 Value: &inp.AssetAmount,
131 Position: inp.SourcePosition,
133 prevout := bc.NewVoteOutput(src, prog, 0, inp.Vote) // ordinal doesn't matter for prevouts, only for result outputs
134 prevoutID := addEntry(prevout)
135 // create entry for VetoInput
136 vetoInput := bc.NewVetoInput(&prevoutID, uint64(i))
137 vetoInput.WitnessArguments = inp.Arguments
138 vetoVoteID := addEntry(vetoInput)
140 muxSources[i] = &bc.ValueSource{
142 Value: &inp.AssetAmount,
144 vetoInputs = append(vetoInputs, vetoInput)
146 case *CrossChainInput:
147 prog := &bc.Program{VmVersion: inp.VMVersion, Code: inp.ControlProgram}
148 src := &bc.ValueSource{
150 Value: &inp.AssetAmount,
151 Position: inp.SourcePosition,
154 prevout := bc.NewIntraChainOutput(src, prog, 0) // ordinal doesn't matter
155 mainchainOutputID := addEntry(prevout)
157 assetDefHash := bc.NewHash(sha3.Sum256(inp.AssetDefinition))
158 assetDef := &bc.AssetDefinition{
160 IssuanceProgram: &bc.Program{
161 VmVersion: inp.IssuanceVMVersion,
162 Code: inp.IssuanceProgram,
166 crossIn := bc.NewCrossChainInput(&mainchainOutputID, prog, uint64(i), assetDef)
167 crossIn.WitnessArguments = inp.Arguments
168 crossInID := addEntry(crossIn)
169 muxSources[i] = &bc.ValueSource{
171 Value: &inp.AssetAmount,
173 crossIns = append(crossIns, crossIn)
177 mux := bc.NewMux(muxSources, &bc.Program{VmVersion: 1, Code: []byte{byte(vm.OP_TRUE)}})
178 muxID := addEntry(mux)
180 // connect the inputs to the mux
181 for _, spend := range spends {
182 spentOutput := entryMap[*spend.SpentOutputId].(*bc.IntraChainOutput)
183 spend.SetDestination(&muxID, spentOutput.Source.Value, spend.Ordinal)
186 for _, vetoInput := range vetoInputs {
187 voteOutput := entryMap[*vetoInput.SpentOutputId].(*bc.VoteOutput)
188 vetoInput.SetDestination(&muxID, voteOutput.Source.Value, vetoInput.Ordinal)
191 for _, crossIn := range crossIns {
192 mainchainOutput := entryMap[*crossIn.MainchainOutputId].(*bc.IntraChainOutput)
193 crossIn.SetDestination(&muxID, mainchainOutput.Source.Value, crossIn.Ordinal)
197 coinbase.SetDestination(&muxID, mux.Sources[0].Value, 0)
200 // convert types.outputs to the bc.output
201 var resultIDs []*bc.Hash
202 for i, out := range tx.Outputs {
203 value := out.AssetAmount()
204 src := &bc.ValueSource{
211 // must deal with retirement first due to cases' priorities in the switch statement
212 case vmutil.IsUnspendable(out.ControlProgram()):
214 r := bc.NewRetirement(src, uint64(i))
215 resultID = addEntry(r)
217 case out.OutputType() == IntraChainOutputType:
218 // non-retirement intra-chain tx
219 prog := &bc.Program{out.VMVersion(), out.ControlProgram()}
220 o := bc.NewIntraChainOutput(src, prog, uint64(i))
221 resultID = addEntry(o)
223 case out.OutputType() == CrossChainOutputType:
224 // non-retirement cross-chain tx
225 prog := &bc.Program{out.VMVersion(), out.ControlProgram()}
226 o := bc.NewCrossChainOutput(src, prog, uint64(i))
227 resultID = addEntry(o)
229 case out.OutputType() == VoteOutputType:
230 // non-retirement vote tx
231 voteOut, _ := out.TypedOutput.(*VoteOutput)
232 prog := &bc.Program{out.VMVersion(), out.ControlProgram()}
233 o := bc.NewVoteOutput(src, prog, uint64(i), voteOut.Vote)
234 resultID = addEntry(o)
237 log.Warn("unknown outType")
240 dest := &bc.ValueDestination{
245 resultIDs = append(resultIDs, &resultID)
246 mux.WitnessDestinations = append(mux.WitnessDestinations, dest)
249 h := bc.NewTxHeader(tx.Version, tx.SerializedSize, tx.TimeRange, resultIDs)
250 return addEntry(h), h, entryMap
253 func mapBlockHeader(old *BlockHeader) (bc.Hash, *bc.BlockHeader) {
254 bh := bc.NewBlockHeader(old.Version, old.Height, &old.PreviousBlockHash, old.Timestamp, &old.TransactionsMerkleRoot, &old.TransactionStatusHash, old.Witness)
255 return bc.EntryID(bh), bh
258 // MapBlock converts a types block to bc block
259 func MapBlock(old *Block) *bc.Block {
265 b.ID, b.BlockHeader = mapBlockHeader(&old.BlockHeader)
266 for _, oldTx := range old.Transactions {
267 b.Transactions = append(b.Transactions, oldTx.Tx)