diff options
Diffstat (limited to 'vm')
| -rw-r--r-- | vm/vm_debug.go | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/vm/vm_debug.go b/vm/vm_debug.go index ae5a20175..18d3018a0 100644 --- a/vm/vm_debug.go +++ b/vm/vm_debug.go @@ -151,7 +151,7 @@ func (self *DebugVm) RunClosure(closure *Closure) (ret []byte, err error) { // Stack checks only case ISZERO, CALLDATALOAD, POP, JUMP, NOT: // 1 require(1) - case ADD, SUB, DIV, SDIV, MOD, SMOD, EXP, LT, GT, SLT, SGT, EQ, AND, OR, XOR, BYTE: // 2 + case ADD, SUB, DIV, SDIV, MOD, SMOD, LT, GT, SLT, SGT, EQ, AND, OR, XOR, BYTE: // 2 require(2) case ADDMOD, MULMOD: // 3 require(3) @@ -169,6 +169,15 @@ func (self *DebugVm) RunClosure(closure *Closure) (ret []byte, err error) { gas.Set(GasLog) addStepGasUsage(new(big.Int).Mul(big.NewInt(int64(n)), GasLog)) addStepGasUsage(new(big.Int).Add(mSize, mStart)) + case EXP: + require(2) + + expGas := ethutil.FirstBitSet(stack.data[stack.Len()-2]) + expGas.Div(expGas, u256(8)) + expGas.Sub(u256(32), expGas) + expGas.Add(expGas, u256(1)) + + gas.Set(expGas) // Gas only case STOP: gas.Set(ethutil.Big0) |