本文整理匯總了Golang中github.com/ethereum/go-ethereum/core/state.StateDB.Update方法的典型用法代碼示例。如果您正苦於以下問題：Golang StateDB.Update方法的具體用法？Golang StateDB.Update怎麽用？Golang StateDB.Update使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類github.com/ethereum/go-ethereum/core/state.StateDB的用法示例。
在下文中一共展示了StateDB.Update方法的3個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Golang代碼示例。
示例1: ApplyTransaction
func (self *BlockProcessor) ApplyTransaction(coinbase *state.StateObject, statedb *state.StateDB, block *types.Block, tx *types.Transaction, usedGas *big.Int, transientProcess bool) (*types.Receipt, *big.Int, error) {
// If we are mining this block and validating we want to set the logs back to 0
//statedb.EmptyLogs()
cb := statedb.GetStateObject(coinbase.Address())
_, gas, err := ApplyMessage(NewEnv(statedb, self.bc, tx, block), tx, cb)
if err != nil && (IsNonceErr(err) || state.IsGasLimitErr(err) || IsInvalidTxErr(err)) {
// If the account is managed, remove the invalid nonce.
//from, _ := tx.From()
//self.bc.TxState().RemoveNonce(from, tx.Nonce())
return nil, nil, err
}
// Update the state with pending changes
statedb.Update()
cumulative := new(big.Int).Set(usedGas.Add(usedGas, gas))
receipt := types.NewReceipt(statedb.Root().Bytes(), cumulative)
logs := statedb.GetLogs(tx.Hash())
receipt.SetLogs(logs)
receipt.Bloom = types.CreateBloom(types.Receipts{receipt})
glog.V(logger.Debug).Infoln(receipt)
// Notify all subscribers
if !transientProcess {
go self.eventMux.Post(TxPostEvent{tx})
go self.eventMux.Post(logs)
}
return receipt, gas, err
}示例2: RunState
func RunState(statedb *state.StateDB, env, tx map[string]string) ([]byte, state.Logs, *big.Int, error) {
var (
keyPair, _ = crypto.NewKeyPairFromSec([]byte(common.Hex2Bytes(tx["secretKey"])))
data = common.FromHex(tx["data"])
gas = common.Big(tx["gasLimit"])
price = common.Big(tx["gasPrice"])
value = common.Big(tx["value"])
nonce = common.Big(tx["nonce"]).Uint64()
caddr = common.HexToAddress(env["currentCoinbase"])
)
var to *common.Address
if len(tx["to"]) > 2 {
t := common.HexToAddress(tx["to"])
to = &t
}
// Set pre compiled contracts
vm.Precompiled = vm.PrecompiledContracts()
snapshot := statedb.Copy()
coinbase := statedb.GetOrNewStateObject(caddr)
coinbase.SetGasLimit(common.Big(env["currentGasLimit"]))
message := NewMessage(common.BytesToAddress(keyPair.Address()), to, data, value, gas, price, nonce)
vmenv := NewEnvFromMap(statedb, env, tx)
vmenv.origin = common.BytesToAddress(keyPair.Address())
ret, _, err := core.ApplyMessage(vmenv, message, coinbase)
if core.IsNonceErr(err) || core.IsInvalidTxErr(err) || state.IsGasLimitErr(err) {
statedb.Set(snapshot)
}
statedb.Update()
return ret, vmenv.state.Logs(), vmenv.Gas, err
}示例3: ApplyTransaction
func (self *BlockProcessor) ApplyTransaction(coinbase *state.StateObject, statedb *state.StateDB, header *types.Header, tx *types.Transaction, usedGas *big.Int, transientProcess bool) (*types.Receipt, *big.Int, error) {
// If we are mining this block and validating we want to set the logs back to 0
cb := statedb.GetStateObject(coinbase.Address())
_, gas, err := ApplyMessage(NewEnv(statedb, self.bc, tx, header), tx, cb)
if err != nil && (IsNonceErr(err) || state.IsGasLimitErr(err) || IsInvalidTxErr(err)) {
return nil, nil, err
}
// Update the state with pending changes
statedb.Update()
usedGas.Add(usedGas, gas)
receipt := types.NewReceipt(statedb.Root().Bytes(), usedGas)
logs := statedb.GetLogs(tx.Hash())
receipt.SetLogs(logs)
receipt.Bloom = types.CreateBloom(types.Receipts{receipt})
glog.V(logger.Debug).Infoln(receipt)
// Notify all subscribers
if !transientProcess {
go self.eventMux.Post(TxPostEvent{tx})
go self.eventMux.Post(logs)
}
return receipt, gas, err
}