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Added the possibility for debug hooks during closure call

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This commit is contained in:
obscuren 2014-04-11 08:28:30 -04:00
parent 7d6ba88d2b
commit ca747f2688
4 changed files with 12 additions and 45 deletions
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6
ethchain/closure.go
View File

@ -69,10 +69,12 @@ func (c *Closure) Address() []byte {
return c.object.Address()
}
func (c *Closure) Call(vm *Vm, args []byte) []byte {
type DebugHook func(op OpCode)
func (c *Closure) Call(vm *Vm, args []byte, hook DebugHook) []byte {
c.Args = args
return vm.RunClosure(c)
return vm.RunClosure(c, hook)
}
func (c *Closure) Return(ret []byte) []byte {

2
ethchain/state_manager.go
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@ -327,7 +327,7 @@ func (sm *StateManager) ProcessContract(contract *Contract, tx *Transaction, blo
// XXX Tx data? Could be just an argument to the closure instead
txData: nil,
})
closure.Call(vm, nil)
closure.Call(vm, nil, nil)
// Update the account (refunds)
sm.procState.UpdateAccount(tx.Sender(), caller)

47
ethchain/vm.go
View File

@ -48,7 +48,7 @@ func NewVm(state *State, vars RuntimeVars) *Vm {
var Pow256 = ethutil.BigPow(2, 256)
func (vm *Vm) RunClosure(closure *Closure) []byte {
func (vm *Vm) RunClosure(closure *Closure, hook DebugHook) []byte {
// If the amount of gas supplied is less equal to 0
if closure.Gas.Cmp(big.NewInt(0)) <= 0 {
// TODO Do something
@ -372,7 +372,7 @@ func (vm *Vm) RunClosure(closure *Closure) []byte {
// Create a new callable closure
closure := NewClosure(closure, contract, contract.script, vm.state, gas, value)
// Executer the closure and get the return value (if any)
ret := closure.Call(vm, args)
ret := closure.Call(vm, args, hook)
mem.Set(retOffset.Int64(), retSize.Int64(), ret)
case oRETURN:
@ -404,44 +404,9 @@ func (vm *Vm) RunClosure(closure *Closure) []byte {
}
pc.Add(pc, ethutil.Big1)
if hook != nil {
hook(op)
}
}
}
/*
func makeInlineTx(addr []byte, value, from, length *big.Int, contract *Contract, state *State) {
ethutil.Config.Log.Debugf(" => creating inline tx %x %v %v %v", addr, value, from, length)
j := int64(0)
dataItems := make([]string, int(length.Uint64()))
for i := from.Int64(); i < length.Int64(); i++ {
dataItems[j] = contract.GetMem(big.NewInt(j)).Str()
j++
}
tx := NewTransaction(addr, value, dataItems)
if tx.IsContract() {
contract := MakeContract(tx, state)
state.UpdateContract(contract)
} else {
account := state.GetAccount(tx.Recipient)
account.Amount.Add(account.Amount, tx.Value)
state.UpdateAccount(tx.Recipient, account)
}
}
// Returns an address from the specified contract's address
func contractMemory(state *State, contractAddr []byte, memAddr *big.Int) *big.Int {
contract := state.GetContract(contractAddr)
if contract == nil {
log.Panicf("invalid contract addr %x", contractAddr)
}
val := state.trie.Get(memAddr.String())
// decode the object as a big integer
decoder := ethutil.NewValueFromBytes([]byte(val))
if decoder.IsNil() {
return ethutil.BigFalse
}
return decoder.BigInt()
}
*/

2
ethchain/vm_test.go
View File

@ -139,5 +139,5 @@ func TestRun4(t *testing.T) {
// XXX Tx data? Could be just an argument to the closure instead
txData: nil,
})
callerClosure.Call(vm, nil)
callerClosure.Call(vm, nil, nil)
}