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fixes memory write: no padding

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andri lim 2019-02-15 08:37:54 +07:00 committed by zah
parent fdc34a4cf6
commit 17188dfcb1
1 changed files with 6 additions and 5 deletions
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11
nimbus/vm/interpreter/opcodes_impl.nim
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@ -223,13 +223,14 @@ proc writePaddedResult(mem: var Memory,
mem.extend(memPos, len)
let dataEndPosition = dataPos.int64 + len - 1
let sourceBytes = data[min(dataPos, data.len) .. min(data.len - 1, dataEndPosition)]
mem.write(memPos, sourceBytes)
# Don't duplicate zero-padding of mem.extend
let paddingOffset = memPos + sourceBytes.len
# TODO: avoid unnecessary memory allocation
mem.write(paddingOffset, repeat(paddingValue, max(prevLen - paddingOffset, 0)))
# geth doesn't do padding, it causes block validation error
when false:
# Don't duplicate zero-padding of mem.extend
let paddingOffset = memPos + sourceBytes.len
# TODO: avoid unnecessary memory allocation
mem.write(paddingOffset, repeat(paddingValue, max(prevLen - paddingOffset, 0)))
op address, inline = true:
## 0x30, Get address of currently executing account.