4 bytom "github.com/vapor/claim/bytom/protocolbc"
5 "github.com/vapor/consensus"
6 "github.com/vapor/protocol/bc"
7 "github.com/vapor/protocol/bc/types"
8 "github.com/vapor/protocol/vm"
9 "github.com/vapor/protocol/vm/vmutil"
12 // MapTx converts a types TxData object into its entries-based
14 func MapTx(oldTx *TxData) *bytom.Tx {
15 txID, txHeader, entries := mapTx(oldTx)
20 InputIDs: make([]bc.Hash, len(oldTx.Inputs)),
23 spentOutputIDs := make(map[bc.Hash]bool)
24 for id, e := range entries {
26 switch e := e.(type) {
32 spentOutputIDs[*e.SpentOutputId] = true
33 if *e.WitnessDestination.Value.AssetId == *consensus.BTMAssetID {
34 tx.GasInputIDs = append(tx.GasInputIDs, id)
44 if ord >= uint64(len(oldTx.Inputs)) {
50 for id := range spentOutputIDs {
51 tx.SpentOutputIDs = append(tx.SpentOutputIDs, id)
56 func mapTx(tx *TxData) (headerID bc.Hash, hdr *bc.TxHeader, entryMap map[bc.Hash]bc.Entry) {
57 entryMap = make(map[bc.Hash]bc.Entry)
58 addEntry := func(e bc.Entry) bc.Hash {
66 issuances []*bc.Issuance
70 muxSources := make([]*bc.ValueSource, len(tx.Inputs))
71 for i, input := range tx.Inputs {
72 switch inp := input.TypedInput.(type) {
73 case *types.IssuanceInput:
74 nonceHash := inp.NonceHash()
75 assetDefHash := inp.AssetDefinitionHash()
76 value := input.AssetAmount()
78 issuance := bc.NewIssuance(&nonceHash, &value, uint64(i))
79 issuance.WitnessAssetDefinition = &bc.AssetDefinition{
81 IssuanceProgram: &bc.Program{
82 VmVersion: inp.VMVersion,
83 Code: inp.IssuanceProgram,
86 issuance.WitnessArguments = inp.Arguments
87 issuanceID := addEntry(issuance)
89 muxSources[i] = &bc.ValueSource{
93 issuances = append(issuances, issuance)
96 // create entry for prevout
97 prog := &bc.Program{VmVersion: inp.VMVersion, Code: inp.ControlProgram}
98 src := &bc.ValueSource{
100 Value: &inp.AssetAmount,
101 Position: inp.SourcePosition,
103 prevout := bc.NewOutput(src, prog, 0) // ordinal doesn't matter for prevouts, only for result outputs
104 prevoutID := addEntry(prevout)
105 // create entry for spend
106 spend := bc.NewSpend(&prevoutID, uint64(i))
107 spend.WitnessArguments = inp.Arguments
108 spendID := addEntry(spend)
110 muxSources[i] = &bc.ValueSource{
112 Value: &inp.AssetAmount,
114 spends = append(spends, spend)
117 coinbase = bc.NewCoinbase(inp.Arbitrary)
118 coinbaseID := addEntry(coinbase)
121 muxSources[i] = &bc.ValueSource{
123 Value: &out.AssetAmount,
128 mux := bc.NewMux(muxSources, &bc.Program{VmVersion: 1, Code: []byte{byte(vm.OP_TRUE)}})
129 muxID := addEntry(mux)
131 // connect the inputs to the mux
132 for _, spend := range spends {
133 spentOutput := entryMap[*spend.SpentOutputId].(*bc.Output)
134 spend.SetDestination(&muxID, spentOutput.Source.Value, spend.Ordinal)
136 for _, issuance := range issuances {
137 issuance.SetDestination(&muxID, issuance.Value, issuance.Ordinal)
141 coinbase.SetDestination(&muxID, mux.Sources[0].Value, 0)
144 // convert types.outputs to the bytom.output
145 var resultIDs []*bc.Hash
146 for i, out := range tx.Outputs {
147 src := &bc.ValueSource{
149 Value: &out.AssetAmount,
153 if vmutil.IsUnspendable(out.ControlProgram) {
155 r := bc.NewRetirement(src, uint64(i))
156 resultID = addEntry(r)
159 prog := &bc.Program{out.VMVersion, out.ControlProgram}
160 o := bc.NewOutput(src, prog, uint64(i))
161 resultID = addEntry(o)
164 dest := &bc.ValueDestination{
169 resultIDs = append(resultIDs, &resultID)
170 mux.WitnessDestinations = append(mux.WitnessDestinations, dest)
173 h := bc.NewTxHeader(tx.Version, tx.SerializedSize, &bc.Hash{}, tx.TimeRange, resultIDs, false)
174 return addEntry(h), h, entryMap
177 func mapBlockHeader(old *BlockHeader) (bc.Hash, *bc.BytomBlockHeader) {
178 bh := bc.NewBytomBlockHeader(old.Version, old.Height, &old.PreviousBlockHash, old.Timestamp, &old.TransactionsMerkleRoot, &old.TransactionStatusHash, old.Nonce, old.Bits)
179 return bc.EntryID(bh), bh
182 // MapBlock converts a types block to bc block
183 func MapBlock(old *Block) *bytom.Block {
188 b := new(bytom.Block)
189 b.ID, b.BytomBlockHeader = mapBlockHeader(&old.BlockHeader)
190 for _, oldTx := range old.Transactions {
191 b.Transactions = append(b.Transactions, oldTx.Tx)