diff options
Diffstat (limited to 'ethchain')
| -rw-r--r-- | ethchain/block_chain.go | 11 | ||||
| -rw-r--r-- | ethchain/vm.go | 31 |
2 files changed, 20 insertions, 22 deletions
diff --git a/ethchain/block_chain.go b/ethchain/block_chain.go index 19b5248d7..286a158ba 100644 --- a/ethchain/block_chain.go +++ b/ethchain/block_chain.go @@ -174,18 +174,12 @@ func (bc *BlockChain) ResetTillBlockHash(hash []byte) error { bc.LastBlockHash = bc.genesisBlock.Hash() bc.LastBlockNumber = 1 } else { - // TODO: Somehow this doesn't really give the right numbers, double check. - // TODO: Change logs into debug lines returnTo = bc.GetBlock(hash) bc.CurrentBlock = returnTo bc.LastBlockHash = returnTo.Hash() - //info := bc.BlockInfo(returnTo) bc.LastBlockNumber = returnTo.Number.Uint64() } - // XXX Why are we resetting? This is the block chain, it has nothing to do with states - //bc.Ethereum.StateManager().PrepareDefault(returnTo) - // Manually reset the last sync block err := ethutil.Config.Db.Delete(lastBlock.Hash()) if err != nil { @@ -231,6 +225,11 @@ func (bc *BlockChain) GetChainFromHash(hash []byte, max uint64) []interface{} { for i := uint64(0); bytes.Compare(currentHash, hash) != 0 && num >= parentNumber && i < count; i++ { // Get the block of the chain block := bc.GetBlock(currentHash) + if block == nil { + ethutil.Config.Log.Debugf("Unexpected error during GetChainFromHash: Unable to find %x\n", currentHash) + break + } + currentHash = block.PrevHash chain = append(chain, block.Value().Val) diff --git a/ethchain/vm.go b/ethchain/vm.go index 4c6c5e24d..199eaae50 100644 --- a/ethchain/vm.go +++ b/ethchain/vm.go @@ -99,22 +99,21 @@ func (vm *Vm) RunClosure(closure *Closure, hook DebugHook) (ret []byte, err erro ethutil.Config.Log.Debugf("[VM] (~) %x gas: %v (d) %x\n", closure.object.Address(), closure.Gas, closure.Args) - // Memory for the current closure - mem := &Memory{} - // New stack (should this be shared?) - stack := NewStack() - require := func(m int) { - if stack.Len() < m { - isRequireError = true - panic(fmt.Sprintf("stack err = %d, req = %d", stack.Len(), m)) + var ( + op OpCode + + mem = &Memory{} + stack = NewStack() + pc = big.NewInt(0) + step = 0 + prevStep = 0 + require = func(m int) { + if stack.Len() < m { + isRequireError = true + panic(fmt.Sprintf("%04v (%v) stack err size = %d, required = %d", pc, op, stack.Len(), m)) + } } - } - - // Program counter - pc := big.NewInt(0) - // Current step count - step := 0 - prevStep := 0 + ) for { prevStep = step @@ -125,7 +124,7 @@ func (vm *Vm) RunClosure(closure *Closure, hook DebugHook) (ret []byte, err erro // Get the memory location of pc val := closure.Get(pc) // Get the opcode (it must be an opcode!) - op := OpCode(val.Uint()) + op = OpCode(val.Uint()) gas := new(big.Int) addStepGasUsage := func(amount *big.Int) { |