gaspersic/go-ethereum
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converted vm

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This commit is contained in:
obscuren
2015-03-17 11:19:23 +01:00
parent 8ce6a36478
commit 515d9432fc
11 changed files with 88 additions and 72 deletions
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27
core/execution.go
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@ -4,6 +4,7 @@ import (
"math/big"
"time"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/state"
"github.com/ethereum/go-ethereum/vm"
@ -11,26 +12,23 @@ import (
type Execution struct {
env vm.Environment
address, input []byte
address *common.Address
input []byte
Gas, price, value *big.Int
}
func NewExecution(env vm.Environment, address, input []byte, gas, gasPrice, value *big.Int) *Execution {
func NewExecution(env vm.Environment, address *common.Address, input []byte, gas, gasPrice, value *big.Int) *Execution {
return &Execution{env: env, address: address, input: input, Gas: gas, price: gasPrice, value: value}
}
func (self *Execution) Addr() []byte {
return self.address
}
func (self *Execution) Call(codeAddr []byte, caller vm.ContextRef) ([]byte, error) {
func (self *Execution) Call(codeAddr common.Address, caller vm.ContextRef) ([]byte, error) {
// Retrieve the executing code
code := self.env.State().GetCode(codeAddr)
return self.exec(code, codeAddr, caller)
return self.exec(&codeAddr, code, caller)
}
func (self *Execution) exec(code, contextAddr []byte, caller vm.ContextRef) (ret []byte, err error) {
func (self *Execution) exec(contextAddr *common.Address, code []byte, caller vm.ContextRef) (ret []byte, err error) {
env := self.env
evm := vm.NewVm(env)
if env.Depth() == vm.MaxCallDepth {
@ -40,14 +38,15 @@ func (self *Execution) exec(code, contextAddr []byte, caller vm.ContextRef) (ret
}
vsnapshot := env.State().Copy()
if len(self.address) == 0 {
if self.address == nil {
// Generate a new address
nonce := env.State().GetNonce(caller.Address())
self.address = crypto.CreateAddress(caller.Address(), nonce)
addr := crypto.CreateAddress(caller.Address(), nonce)
self.address = &addr
env.State().SetNonce(caller.Address(), nonce+1)
}
from, to := env.State().GetStateObject(caller.Address()), env.State().GetOrNewStateObject(self.address)
from, to := env.State().GetStateObject(caller.Address()), env.State().GetOrNewStateObject(*self.address)
err = env.Transfer(from, to, self.value)
if err != nil {
env.State().Set(vsnapshot)
@ -73,8 +72,8 @@ func (self *Execution) exec(code, contextAddr []byte, caller vm.ContextRef) (ret
}
func (self *Execution) Create(caller vm.ContextRef) (ret []byte, err error, account *state.StateObject) {
ret, err = self.exec(self.input, nil, caller)
account = self.env.State().GetStateObject(self.address)
ret, err = self.exec(nil, self.input, caller)
account = self.env.State().GetStateObject(*self.address)
return
}