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Address is generated with VMAppState, and it increments the nonce too.

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This commit is contained in:
Jae Kwon
2015-03-20 19:59:42 -07:00
parent 36dca3981b
commit b7553e2bfe
5 changed files with 65 additions and 35 deletions
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16
vm/vm.go
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@ -46,6 +46,7 @@ func NewVM(appState AppState, params Params, origin Word) *VM {
}
}
// CONTRACT appState is aware of caller and callee, so we can just mutate them.
// value: To be transferred from caller to callee. Refunded upon error.
// gas: Available gas. No refunds for gas.
func (vm *VM) Call(caller, callee *Account, code, input []byte, value uint64, gas *uint64) (output []byte, err error) {
@ -541,14 +542,9 @@ func (vm *VM) call(caller, callee *Account, code, input []byte, value uint64, ga
return nil, firstErr(err, ErrInsufficientBalance)
}
// Create a new address
nonce := caller.Nonce
addr := createAddress(caller.Address, nonce)
caller.Nonce += 1
// TODO charge for gas to create account _ the code length * GasCreateByte
newAccount, err := vm.appState.CreateAccount(addr)
newAccount, err := vm.appState.CreateAccount(caller)
if err != nil {
stack.Push(Zero)
fmt.Printf(" (*) 0x0 %v\n", err)
@ -708,14 +704,6 @@ func useGas(gas *uint64, gasToUse uint64) bool {
}
}
// Creates a 20 byte address from the creatorAddr and nonce.
func createAddress(creatorAddr Word, nonce uint64) Word {
temp := make([]byte, 32+8)
copy(temp, creatorAddr[:])
PutUint64(temp[32:], nonce)
return RightPadWord(sha3.Sha3(temp)[:20])
}
func transfer(from, to *Account, amount uint64) error {
if from.Balance < amount {
return ErrInsufficientBalance