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| author | zelig <viktor.tron@gmail.com> | 2014-07-15 01:50:06 +0800 |
|---|---|---|
| committer | zelig <viktor.tron@gmail.com> | 2014-07-15 01:50:06 +0800 |
| commit | 3d5db7288f134fef7e51b25776007705f6663654 (patch) | |
| tree | edda6e8fd23584327473058411df9cd2c53241f4 /ethchain/asm.go | |
| parent | dc11b5c55e2888a7a3dac51fedc3864d112136ce (diff) | |
| parent | 8845fb7eae3e51fd3e55c47c377bf1a9e0cfe2a9 (diff) | |
| download | go-tangerine-3d5db7288f134fef7e51b25776007705f6663654.tar.gz go-tangerine-3d5db7288f134fef7e51b25776007705f6663654.tar.zst go-tangerine-3d5db7288f134fef7e51b25776007705f6663654.zip | |
merge upstream
Diffstat (limited to 'ethchain/asm.go')
| -rw-r--r-- | ethchain/asm.go | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/ethchain/asm.go b/ethchain/asm.go index 09d6af56f..2697953fd 100644 --- a/ethchain/asm.go +++ b/ethchain/asm.go @@ -24,6 +24,10 @@ func Disassemble(script []byte) (asm []string) { case PUSH1, PUSH2, PUSH3, PUSH4, PUSH5, PUSH6, PUSH7, PUSH8, PUSH9, PUSH10, PUSH11, PUSH12, PUSH13, PUSH14, PUSH15, PUSH16, PUSH17, PUSH18, PUSH19, PUSH20, PUSH21, PUSH22, PUSH23, PUSH24, PUSH25, PUSH26, PUSH27, PUSH28, PUSH29, PUSH30, PUSH31, PUSH32: pc.Add(pc, ethutil.Big1) a := int64(op) - int64(PUSH1) + 1 + if int(pc.Int64()+a) > len(script) { + return nil + } + data := script[pc.Int64() : pc.Int64()+a] if len(data) == 0 { data = []byte{0} |