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transact_server.go
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transact_server.go
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package rpctransact
import (
"fmt"
"sync"
"time"
"github.com/hyperledger/burrow/logging"
"github.com/hyperledger/burrow/acm/acmstate"
"github.com/hyperledger/burrow/bcm"
"github.com/hyperledger/burrow/execution"
"github.com/hyperledger/burrow/execution/exec"
"github.com/hyperledger/burrow/txs"
"github.com/hyperledger/burrow/txs/payload"
"golang.org/x/net/context"
)
// This is probably silly
const maxBroadcastSyncTimeout = time.Hour
type transactServer struct {
state acmstate.Reader
blockchain bcm.BlockchainInfo
transactor *execution.Transactor
txCodec txs.Codec
logger *logging.Logger
lock *sync.Mutex
}
func NewTransactServer(state acmstate.Reader, blockchain bcm.BlockchainInfo, transactor *execution.Transactor,
txCodec txs.Codec, logger *logging.Logger) TransactServer {
return &transactServer{
state: state,
blockchain: blockchain,
transactor: transactor,
txCodec: txCodec,
logger: logger.WithScope("NewTransactServer()"),
lock: &sync.Mutex{},
}
}
func (ts *transactServer) BroadcastTxSync(ctx context.Context, param *TxEnvelopeParam) (*exec.TxExecution, error) {
const errHeader = "BroadcastTxSync():"
if param.Timeout == 0 {
param.Timeout = maxBroadcastSyncTimeout
}
ctx, cancel := context.WithTimeout(ctx, param.Timeout)
defer cancel()
txEnv := param.GetEnvelope(ts.transactor.BlockchainInfo.ChainID())
if txEnv == nil {
return nil, fmt.Errorf("%s no transaction envelope or payload provided", errHeader)
}
return ts.transactor.BroadcastTxSync(ctx, txEnv)
}
func (ts *transactServer) BroadcastTxAsync(ctx context.Context, param *TxEnvelopeParam) (*txs.Receipt, error) {
const errHeader = "BroadcastTxAsync():"
if param.Timeout == 0 {
param.Timeout = maxBroadcastSyncTimeout
}
txEnv := param.GetEnvelope(ts.transactor.BlockchainInfo.ChainID())
if txEnv == nil {
return nil, fmt.Errorf("%s no transaction envelope or payload provided", errHeader)
}
return ts.transactor.BroadcastTxAsync(ctx, txEnv)
}
func (ts *transactServer) SignTx(ctx context.Context, param *TxEnvelopeParam) (*TxEnvelope, error) {
txEnv := param.GetEnvelope(ts.transactor.BlockchainInfo.ChainID())
if txEnv == nil {
return nil, fmt.Errorf("no transaction envelope or payload provided")
}
txEnv, err := ts.transactor.SignTx(txEnv)
if err != nil {
return nil, err
}
return &TxEnvelope{
Envelope: txEnv,
}, nil
}
func (ts *transactServer) FormulateTx(ctx context.Context, param *payload.Any) (*TxEnvelope, error) {
txEnv := txs.EnvelopeFromAny(ts.transactor.BlockchainInfo.ChainID(), param)
if txEnv == nil {
return nil, fmt.Errorf("no payload provided to FormulateTx")
}
return &TxEnvelope{
Envelope: txEnv,
}, nil
}
func (ts *transactServer) CallTxSync(ctx context.Context, param *payload.CallTx) (*exec.TxExecution, error) {
return ts.BroadcastTxSync(ctx, &TxEnvelopeParam{Payload: param.Any()})
}
func (ts *transactServer) CallTxAsync(ctx context.Context, param *payload.CallTx) (*txs.Receipt, error) {
return ts.BroadcastTxAsync(ctx, &TxEnvelopeParam{Payload: param.Any()})
}
func (ts *transactServer) CallTxSim(ctx context.Context, param *payload.CallTx) (*exec.TxExecution, error) {
if param.Address == nil {
return nil, fmt.Errorf("CallSim requires a non-nil address from which to retrieve code")
}
ts.lock.Lock()
defer ts.lock.Unlock()
return execution.CallSim(ts.state, ts.blockchain, param.Input.Address, *param.Address, param.Data, ts.logger)
}
func (ts *transactServer) CallCodeSim(ctx context.Context, param *CallCodeParam) (*exec.TxExecution, error) {
ts.lock.Lock()
defer ts.lock.Unlock()
return execution.CallCodeSim(ts.state, ts.blockchain, param.FromAddress, param.FromAddress, param.Code, param.Data,
ts.logger)
}
func (ts *transactServer) SendTxSync(ctx context.Context, param *payload.SendTx) (*exec.TxExecution, error) {
return ts.BroadcastTxSync(ctx, &TxEnvelopeParam{Payload: param.Any()})
}
func (ts *transactServer) SendTxAsync(ctx context.Context, param *payload.SendTx) (*txs.Receipt, error) {
return ts.BroadcastTxAsync(ctx, &TxEnvelopeParam{Payload: param.Any()})
}
func (ts *transactServer) NameTxSync(ctx context.Context, param *payload.NameTx) (*exec.TxExecution, error) {
return ts.BroadcastTxSync(ctx, &TxEnvelopeParam{Payload: param.Any()})
}
func (ts *transactServer) NameTxAsync(ctx context.Context, param *payload.NameTx) (*txs.Receipt, error) {
return ts.BroadcastTxAsync(ctx, &TxEnvelopeParam{Payload: param.Any()})
}
func (te *TxEnvelopeParam) GetEnvelope(chainID string) *txs.Envelope {
if te == nil {
return nil
}
if te.Envelope != nil {
return te.Envelope
}
if te.Payload != nil {
return txs.EnvelopeFromAny(chainID, te.Payload)
}
return nil
}