import (
"context"
"encoding/json"
- "fmt"
"strings"
"time"
log "github.com/sirupsen/logrus"
- "github.com/bytom/blockchain/txbuilder"
- "github.com/bytom/consensus"
- "github.com/bytom/consensus/segwit"
- "github.com/bytom/errors"
- "github.com/bytom/math/checked"
- "github.com/bytom/net/http/reqid"
- "github.com/bytom/protocol/bc"
- "github.com/bytom/protocol/bc/types"
+ "github.com/bytom/bytom/account"
+ "github.com/bytom/bytom/blockchain/txbuilder"
+ "github.com/bytom/bytom/errors"
+ "github.com/bytom/bytom/net/http/reqid"
+ "github.com/bytom/bytom/protocol/bc"
+ "github.com/bytom/bytom/protocol/bc/types"
)
-var defaultTxTTL = 5 * time.Minute
+var (
+ defaultTxTTL = 30 * time.Minute
+ defaultBaseRate = float64(100000)
+)
func (a *API) actionDecoder(action string) (func([]byte) (txbuilder.Action, error), bool) {
- var decoder func([]byte) (txbuilder.Action, error)
- switch action {
- case "control_address":
- decoder = txbuilder.DecodeControlAddressAction
- case "control_program":
- decoder = txbuilder.DecodeControlProgramAction
- case "control_receiver":
- decoder = txbuilder.DecodeControlReceiverAction
- case "issue":
- decoder = a.wallet.AssetReg.DecodeIssueAction
- case "retire":
- decoder = txbuilder.DecodeRetireAction
- case "spend_account":
- decoder = a.wallet.AccountMgr.DecodeSpendAction
- case "spend_account_unspent_output":
- decoder = a.wallet.AccountMgr.DecodeSpendUTXOAction
- default:
- return nil, false
- }
- return decoder, true
+ decoders := map[string]func([]byte) (txbuilder.Action, error){
+ "control_address": txbuilder.DecodeControlAddressAction,
+ "control_program": txbuilder.DecodeControlProgramAction,
+ "issue": a.wallet.AssetReg.DecodeIssueAction,
+ "retire": txbuilder.DecodeRetireAction,
+ "register_contract": txbuilder.DecodeRegisterAction,
+ "spend_account": a.wallet.AccountMgr.DecodeSpendAction,
+ "spend_account_unspent_output": a.wallet.AccountMgr.DecodeSpendUTXOAction,
+ }
+ decoder, ok := decoders[action]
+ return decoder, ok
}
-// TODO modify mergeActions to loadSpendAction
-func mergeActions(req *BuildRequest) ([]map[string]interface{}, error) {
- var actions []map[string]interface{}
- actionMap := make(map[string]map[string]interface{})
-
- for _, m := range req.Actions {
- if actionType := m["type"].(string); actionType != "spend_account" {
- actions = append(actions, m)
- continue
+func onlyHaveInputActions(req *BuildRequest) (bool, error) {
+ count := 0
+ for i, act := range req.Actions {
+ actionType, ok := act["type"].(string)
+ if !ok {
+ return false, errors.WithDetailf(ErrBadActionType, "no action type provided on action %d", i)
}
- if m["amount"] == nil {
- return nil, errEmptyAmount
+ if strings.HasPrefix(actionType, "spend") || actionType == "issue" {
+ count++
}
+ }
- amountNumber := m["amount"].(json.Number)
- amount, err := amountNumber.Int64()
- if err != nil || amount == 0 {
- return nil, errBadAmount
- }
+ return count == len(req.Actions), nil
+}
- actionKey := m["asset_id"].(string) + m["account_id"].(string)
- if tmpM, ok := actionMap[actionKey]; ok {
- if tmpM["amount"] == nil {
- return nil, errEmptyAmount
- }
+func (a *API) buildSingle(ctx context.Context, req *BuildRequest) (*txbuilder.Template, error) {
+ if err := a.checkRequestValidity(ctx, req); err != nil {
+ return nil, err
+ }
+ actions, err := a.mergeSpendActions(req)
+ if err != nil {
+ return nil, err
+ }
- tmpNumber := tmpM["amount"].(json.Number)
- tmpAmount, err := tmpNumber.Int64()
- if err != nil || tmpAmount == 0 {
- return nil, errBadAmount
+ maxTime := time.Now().Add(req.TTL.Duration)
+ tpl, err := txbuilder.Build(ctx, req.Tx, actions, maxTime, req.TimeRange)
+ if errors.Root(err) == txbuilder.ErrAction {
+ // append each of the inner errors contained in the data.
+ var Errs string
+ var rootErr error
+ for i, innerErr := range errors.Data(err)["actions"].([]error) {
+ if i == 0 {
+ rootErr = errors.Root(innerErr)
}
-
- tmpM["amount"] = json.Number(fmt.Sprintf("%v", tmpAmount+amount))
- } else {
- actionMap[actionKey] = m
- actions = append(actions, m)
+ Errs = Errs + innerErr.Error()
}
+ err = errors.WithDetail(rootErr, Errs)
+ }
+ if err != nil {
+ return nil, err
}
- return actions, nil
+ // ensure null is never returned for signing instructions
+ if tpl.SigningInstructions == nil {
+ tpl.SigningInstructions = []*txbuilder.SigningInstruction{}
+ }
+ return tpl, nil
}
-func onlyHaveSpendActions(req *BuildRequest) bool {
- count := 0
- for _, m := range req.Actions {
- if actionType := m["type"].(string); strings.HasPrefix(actionType, "spend") {
- count++
- }
+// POST /build-transaction
+func (a *API) build(ctx context.Context, buildReqs *BuildRequest) Response {
+ subctx := reqid.NewSubContext(ctx, reqid.New())
+ tmpl, err := a.buildSingle(subctx, buildReqs)
+ if err != nil {
+ return NewErrorResponse(err)
}
- return count == len(req.Actions)
+ return NewSuccessResponse(tmpl)
}
-
-func (a *API) buildSingle(ctx context.Context, req *BuildRequest) (*txbuilder.Template, error) {
- err := a.filterAliases(ctx, req)
- if err != nil {
- return nil, err
+func (a *API) checkRequestValidity(ctx context.Context, req *BuildRequest) error {
+ if err := a.completeMissingIDs(ctx, req); err != nil {
+ return err
}
- if onlyHaveSpendActions(req) {
- return nil, errors.New("transaction only contain spend actions, didn't have output actions")
+ if req.TTL.Duration == 0 {
+ req.TTL.Duration = defaultTxTTL
}
- reqActions, err := mergeActions(req)
- if err != nil {
- return nil, errors.WithDetail(err, "unmarshal json amount error in mergeActions")
+ if ok, err := onlyHaveInputActions(req); err != nil {
+ return err
+ } else if ok {
+ return errors.WithDetail(ErrBadActionConstruction, "transaction contains only input actions and no output actions")
}
+ return nil
+}
- actions := make([]txbuilder.Action, 0, len(reqActions))
- for i, act := range reqActions {
+func (a *API) mergeSpendActions(req *BuildRequest) ([]txbuilder.Action, error) {
+ actions := make([]txbuilder.Action, 0, len(req.Actions))
+ for i, act := range req.Actions {
typ, ok := act["type"].(string)
if !ok {
- return nil, errors.WithDetailf(errBadActionType, "no action type provided on action %d", i)
+ return nil, errors.WithDetailf(ErrBadActionType, "no action type provided on action %d", i)
}
decoder, ok := a.actionDecoder(typ)
if !ok {
- return nil, errors.WithDetailf(errBadActionType, "unknown action type %q on action %d", typ, i)
+ return nil, errors.WithDetailf(ErrBadActionType, "unknown action type %q on action %d", typ, i)
}
// Remarshal to JSON, the action may have been modified when we
}
action, err := decoder(b)
if err != nil {
- return nil, errors.WithDetailf(errBadAction, "%s on action %d", err.Error(), i)
+ return nil, errors.WithDetailf(ErrBadAction, "%s on action %d", err.Error(), i)
}
actions = append(actions, action)
}
+ actions = account.MergeSpendAction(actions)
+ return actions, nil
+}
- ttl := req.TTL.Duration
- if ttl == 0 {
- ttl = defaultTxTTL
+func (a *API) buildTxs(ctx context.Context, req *BuildRequest) ([]*txbuilder.Template, error) {
+ if err := a.checkRequestValidity(ctx, req); err != nil {
+ return nil, err
+ }
+ actions, err := a.mergeSpendActions(req)
+ if err != nil {
+ return nil, err
}
- maxTime := time.Now().Add(ttl)
- tpl, err := txbuilder.Build(ctx, req.Tx, actions, maxTime, req.TimeRange)
- if errors.Root(err) == txbuilder.ErrAction {
- // append each of the inner errors contained in the data.
- var Errs string
- for _, innerErr := range errors.Data(err)["actions"].([]error) {
- Errs = Errs + "<" + innerErr.Error() + ">"
+ builder := txbuilder.NewBuilder(time.Now().Add(req.TTL.Duration))
+ tpls := []*txbuilder.Template{}
+ for _, action := range actions {
+ if action.ActionType() == "spend_account" {
+ tpls, err = account.SpendAccountChain(ctx, builder, action)
+ } else {
+ err = action.Build(ctx, builder)
+ }
+
+ if err != nil {
+ builder.Rollback()
+ return nil, err
}
- err = errors.New(err.Error() + "-" + Errs)
}
+
+ tpl, _, err := builder.Build()
if err != nil {
+ builder.Rollback()
return nil, err
}
- // ensure null is never returned for signing instructions
- if tpl.SigningInstructions == nil {
- tpl.SigningInstructions = []*txbuilder.SigningInstruction{}
- }
- return tpl, nil
+ tpls = append(tpls, tpl)
+ return tpls, nil
}
-// POST /build-transaction
-func (a *API) build(ctx context.Context, buildReqs *BuildRequest) Response {
+// POST /build-chain-transactions
+func (a *API) buildChainTxs(ctx context.Context, buildReqs *BuildRequest) Response {
subctx := reqid.NewSubContext(ctx, reqid.New())
-
- tmpl, err := a.buildSingle(subctx, buildReqs)
+ tmpls, err := a.buildTxs(subctx, buildReqs)
if err != nil {
return NewErrorResponse(err)
}
-
- return NewSuccessResponse(tmpl)
+ return NewSuccessResponse(tmpls)
}
type submitTxResp struct {
return NewErrorResponse(err)
}
- log.WithField("tx_id", ins.Tx.ID).Info("submit single tx")
+ log.WithField("tx_id", ins.Tx.ID.String()).Info("submit single tx")
return NewSuccessResponse(&submitTxResp{TxID: &ins.Tx.ID})
}
-// EstimateTxGasResp estimate transaction consumed gas
-type EstimateTxGasResp struct {
- TotalNeu int64 `json:"total_neu"`
- StorageNeu int64 `json:"storage_neu"`
- VMNeu int64 `json:"vm_neu"`
+type submitTxsResp struct {
+ TxID []*bc.Hash `json:"tx_id"`
+}
+
+// POST /submit-transactions
+func (a *API) submitTxs(ctx context.Context, ins struct {
+ Tx []types.Tx `json:"raw_transactions"`
+}) Response {
+ txHashs := []*bc.Hash{}
+ for i := range ins.Tx {
+ if err := txbuilder.FinalizeTx(ctx, a.chain, &ins.Tx[i]); err != nil {
+ return NewErrorResponse(err)
+ }
+ log.WithField("tx_id", ins.Tx[i].ID.String()).Info("submit single tx")
+ txHashs = append(txHashs, &ins.Tx[i].ID)
+ }
+ return NewSuccessResponse(&submitTxsResp{TxID: txHashs})
}
// POST /estimate-transaction-gas
func (a *API) estimateTxGas(ctx context.Context, in struct {
TxTemplate txbuilder.Template `json:"transaction_template"`
}) Response {
- // base tx size and not include sign
- data, err := in.TxTemplate.Transaction.TxData.MarshalText()
+ txGasResp, err := txbuilder.EstimateTxGas(in.TxTemplate)
if err != nil {
return NewErrorResponse(err)
}
- baseTxSize := int64(len(data))
-
- // extra tx size for sign witness parts
- baseWitnessSize := int64(300)
- lenSignInst := int64(len(in.TxTemplate.SigningInstructions))
- signSize := baseWitnessSize * lenSignInst
-
- // total gas for tx storage
- totalTxSizeGas, ok := checked.MulInt64(baseTxSize+signSize, consensus.StorageGasRate)
- if !ok {
- return NewErrorResponse(errors.New("calculate txsize gas got a math error"))
- }
-
- // consume gas for run VM
- totalP2WPKHGas := int64(0)
- totalP2WSHGas := int64(0)
- baseP2WPKHGas := int64(1419)
- baseP2WSHGas := int64(2499)
-
- for _, inpID := range in.TxTemplate.Transaction.Tx.InputIDs {
- sp, err := in.TxTemplate.Transaction.Spend(inpID)
- if err != nil {
- continue
- }
-
- resOut, err := in.TxTemplate.Transaction.Output(*sp.SpentOutputId)
- if err != nil {
- continue
- }
-
- if segwit.IsP2WPKHScript(resOut.ControlProgram.Code) {
- totalP2WPKHGas += baseP2WPKHGas
- } else if segwit.IsP2WSHScript(resOut.ControlProgram.Code) {
- totalP2WSHGas += baseP2WSHGas
- }
- }
- // total estimate gas
- totalGas := totalTxSizeGas + totalP2WPKHGas + totalP2WSHGas
+ return NewSuccessResponse(txGasResp)
+}
- txGasResp := &EstimateTxGasResp{
- TotalNeu: totalGas * consensus.VMGasRate,
- StorageNeu: totalTxSizeGas * consensus.VMGasRate,
- VMNeu: (totalP2WPKHGas + totalP2WSHGas) * consensus.VMGasRate,
+// POST /estimate-chain-transaction-gas
+func (a *API) estimateChainTxGas(ctx context.Context, in struct {
+ TxTemplates []txbuilder.Template `json:"transaction_templates"`
+}) Response {
+ txGasResp, err := txbuilder.EstimateChainTxGas(in.TxTemplates)
+ if err != nil {
+ return NewErrorResponse(err)
}
return NewSuccessResponse(txGasResp)