本文整理汇总了Golang中github.com/ethereum/go-ethereum/core/vm.ContextRef类的典型用法代码示例。如果您正苦于以下问题:Golang ContextRef类的具体用法?Golang ContextRef怎么用?Golang ContextRef使用的例子?那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了ContextRef类的8个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的Golang代码示例。
示例1: CallCode
func (self *Env) CallCode(caller vm.ContextRef, addr common.Address, data []byte, gas, price, value *big.Int) ([]byte, error) {
if self.vmTest && self.depth > 0 {
caller.ReturnGas(gas, price)
return nil, nil
}
caddr := caller.Address()
exe := self.vm(&caddr, data, gas, price, value)
return exe.Call(addr, caller)
}
开发者ID:ssonneborn22,项目名称:go-ethereum,代码行数:11,代码来源:util.go
示例2: transitionState
func (self *StateTransition) transitionState() (ret []byte, usedGas *big.Int, err error) {
if err = self.preCheck(); err != nil {
return
}
msg := self.msg
sender, _ := self.From() // err checked in preCheck
// Pay intrinsic gas
if err = self.UseGas(IntrinsicGas(self.data)); err != nil {
return nil, nil, InvalidTxError(err)
}
vmenv := self.env
var ref vm.ContextRef
if MessageCreatesContract(msg) {
ret, err, ref = vmenv.Create(sender, self.data, self.gas, self.gasPrice, self.value)
if err == nil {
dataGas := big.NewInt(int64(len(ret)))
dataGas.Mul(dataGas, params.CreateDataGas)
if err := self.UseGas(dataGas); err == nil {
ref.SetCode(ret)
} else {
ret = nil // does not affect consensus but useful for StateTests validations
glog.V(logger.Core).Infoln("Insufficient gas for creating code. Require", dataGas, "and have", self.gas)
}
}
glog.V(logger.Core).Infoln("VM create err:", err)
} else {
// Increment the nonce for the next transaction
self.state.SetNonce(sender.Address(), sender.Nonce()+1)
ret, err = vmenv.Call(sender, self.To().Address(), self.data, self.gas, self.gasPrice, self.value)
glog.V(logger.Core).Infoln("VM call err:", err)
}
if err != nil && IsValueTransferErr(err) {
return nil, nil, InvalidTxError(err)
}
// We aren't interested in errors here. Errors returned by the VM are non-consensus errors and therefor shouldn't bubble up
if err != nil {
err = nil
}
if vm.Debug {
vm.StdErrFormat(vmenv.StructLogs())
}
self.refundGas()
self.state.AddBalance(self.env.Coinbase(), new(big.Int).Mul(self.gasUsed(), self.gasPrice))
return ret, self.gasUsed(), err
}
开发者ID:NikonMcFly,项目名称:go-ethereum,代码行数:53,代码来源:state_transition.go
示例3: Call
func (self *Env) Call(caller vm.ContextRef, addr common.Address, data []byte, gas, price, value *big.Int) ([]byte, error) {
if self.vmTest && self.depth > 0 {
caller.ReturnGas(gas, price)
return nil, nil
}
exe := self.vm(&addr, data, gas, price, value)
ret, err := exe.Call(addr, caller)
self.Gas = exe.Gas
return ret, err
}
开发者ID:ssonneborn22,项目名称:go-ethereum,代码行数:13,代码来源:util.go
示例4: transitionState
func (self *StateTransition) transitionState() (ret []byte, usedGas *big.Int, err error) {
if err = self.preCheck(); err != nil {
return
}
var (
msg = self.msg
sender = self.From()
)
// Pay intrinsic gas
if err = self.UseGas(IntrinsicGas(self.msg)); err != nil {
return nil, nil, InvalidTxError(err)
}
vmenv := self.env
var ref vm.ContextRef
if MessageCreatesContract(msg) {
ret, err, ref = vmenv.Create(sender, self.msg.Data(), self.gas, self.gasPrice, self.value)
if err == nil {
dataGas := big.NewInt(int64(len(ret)))
dataGas.Mul(dataGas, params.CreateDataGas)
if err := self.UseGas(dataGas); err == nil {
ref.SetCode(ret)
} else {
glog.V(logger.Core).Infoln("Insufficient gas for creating code. Require", dataGas, "and have", self.gas)
}
}
} else {
// Increment the nonce for the next transaction
self.state.SetNonce(sender.Address(), sender.Nonce()+1)
ret, err = vmenv.Call(self.From(), self.To().Address(), self.msg.Data(), self.gas, self.gasPrice, self.value)
}
if err != nil && IsValueTransferErr(err) {
return nil, nil, InvalidTxError(err)
}
self.refundGas()
self.state.AddBalance(self.coinbase, new(big.Int).Mul(self.gasUsed(), self.gasPrice))
return ret, self.gasUsed(), err
}
开发者ID:CedarLogic,项目名称:go-ethereum,代码行数:43,代码来源:state_transition.go
示例5: Create
func (self *Env) Create(caller vm.ContextRef, data []byte, gas, price, value *big.Int) ([]byte, error, vm.ContextRef) {
exe := self.vm(nil, data, gas, price, value)
if self.vmTest {
caller.ReturnGas(gas, price)
nonce := self.state.GetNonce(caller.Address())
obj := self.state.GetOrNewStateObject(crypto.CreateAddress(caller.Address(), nonce))
return nil, nil, obj
} else {
return exe.Create(caller)
}
}
开发者ID:ssonneborn22,项目名称:go-ethereum,代码行数:13,代码来源:util.go
示例6: CallCode
func (self *VMEnv) CallCode(me vm.ContextRef, addr common.Address, data []byte, gas, price, value *big.Int) ([]byte, error) {
maddr := me.Address()
exe := NewExecution(self, &maddr, data, gas, price, value)
return exe.Call(addr, me)
}
开发者ID:nilcons-contrib,项目名称:go-ethereum,代码行数:5,代码来源:vm_env.go
示例7: exec
func (self *Execution) exec(contextAddr *common.Address, code []byte, caller vm.ContextRef) (ret []byte, err error) {
env := self.env
evm := self.evm
if env.Depth() > int(params.CallCreateDepth.Int64()) {
caller.ReturnGas(self.Gas, self.price)
return nil, vm.DepthError
}
vsnapshot := env.State().Copy()
var createAccount bool
if self.address == nil {
// Generate a new address
nonce := env.State().GetNonce(caller.Address())
env.State().SetNonce(caller.Address(), nonce+1)
addr := crypto.CreateAddress(caller.Address(), nonce)
self.address = &addr
createAccount = true
}
snapshot := env.State().Copy()
var (
from = env.State().GetStateObject(caller.Address())
to *state.StateObject
)
if createAccount {
to = env.State().CreateAccount(*self.address)
} else {
to = env.State().GetOrNewStateObject(*self.address)
}
err = env.Transfer(from, to, self.value)
if err != nil {
env.State().Set(vsnapshot)
caller.ReturnGas(self.Gas, self.price)
return nil, ValueTransferErr("insufficient funds to transfer value. Req %v, has %v", self.value, from.Balance())
}
context := vm.NewContext(caller, to, self.value, self.Gas, self.price)
context.SetCallCode(contextAddr, code)
ret, err = evm.Run(context, self.input)
if err != nil {
env.State().Set(snapshot)
}
return
}
开发者ID:nilcons-contrib,项目名称:go-ethereum,代码行数:52,代码来源:execution.go
示例8: CallCode
func (self *VMEnv) CallCode(caller vm.ContextRef, addr common.Address, data []byte, gas, price, value *big.Int) ([]byte, error) {
a := caller.Address()
exe := self.vm(&a, data, gas, price, value)
return exe.Call(addr, caller)
}
开发者ID:ruflin,项目名称:go-ethereum,代码行数:5,代码来源:main.go
注:本文中的github.com/ethereum/go-ethereum/core/vm.ContextRef类示例整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。 |
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