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-rw-r--r--core/execution.go38
1 files changed, 22 insertions, 16 deletions
diff --git a/core/execution.go b/core/execution.go
index b7eead0dd..5e0cbd37e 100644
--- a/core/execution.go
+++ b/core/execution.go
@@ -5,6 +5,7 @@ import (
"math/big"
"time"
+ "github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/state"
"github.com/ethereum/go-ethereum/vm"
)
@@ -13,7 +14,6 @@ type Execution struct {
env vm.Environment
address, input []byte
Gas, price, value *big.Int
- SkipTransfer bool
}
func NewExecution(env vm.Environment, address, input []byte, gas, gasPrice, value *big.Int) *Execution {
@@ -24,32 +24,38 @@ func (self *Execution) Addr() []byte {
return self.address
}
-func (self *Execution) Call(codeAddr []byte, caller vm.ClosureRef) ([]byte, error) {
+func (self *Execution) Call(codeAddr []byte, caller vm.ContextRef) ([]byte, error) {
// Retrieve the executing code
code := self.env.State().GetCode(codeAddr)
return self.exec(code, codeAddr, caller)
}
-func (self *Execution) exec(code, contextAddr []byte, caller vm.ClosureRef) (ret []byte, err error) {
+func (self *Execution) exec(code, contextAddr []byte, caller vm.ContextRef) (ret []byte, err error) {
env := self.env
- evm := vm.New(env, vm.DebugVmTy)
-
+ evm := vm.NewVm(env)
if env.Depth() == vm.MaxCallDepth {
- // Consume all gas (by not returning it) and return a depth error
+ caller.ReturnGas(self.Gas, self.price)
+
return nil, vm.DepthError{}
}
+ vsnapshot := env.State().Copy()
+ if len(self.address) == 0 {
+ // Generate a new address
+ nonce := env.State().GetNonce(caller.Address())
+ self.address = crypto.CreateAddress(caller.Address(), nonce)
+ env.State().SetNonce(caller.Address(), nonce+1)
+ }
+
from, to := env.State().GetStateObject(caller.Address()), env.State().GetOrNewStateObject(self.address)
- // Skipping transfer is used on testing for the initial call
- if !self.SkipTransfer {
- err = env.Transfer(from, to, self.value)
- if err != nil {
- caller.ReturnGas(self.Gas, self.price)
-
- err = fmt.Errorf("Insufficient funds to transfer value. Req %v, has %v", self.value, from.Balance)
- return
- }
+ err = env.Transfer(from, to, self.value)
+ if err != nil {
+ env.State().Set(vsnapshot)
+
+ caller.ReturnGas(self.Gas, self.price)
+
+ return nil, fmt.Errorf("insufficient funds to transfer value. Req %v, has %v", self.value, from.Balance())
}
snapshot := env.State().Copy()
@@ -63,7 +69,7 @@ func (self *Execution) exec(code, contextAddr []byte, caller vm.ClosureRef) (ret
return
}
-func (self *Execution) Create(caller vm.ClosureRef) (ret []byte, err error, account *state.StateObject) {
+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)