Validate the argument range of getBlockHash #336
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chfast
requested changes
Aug 19, 2018
| @@ -261,6 +261,8 @@ namespace hera { | |||
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| HERA_DEBUG << "getBlockHash " << hex << number << " " << resultOffset << dec << "\n"; | |||
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| ensureCondition(number >= 0 && number <= 256, ArgumentOutOfRange, "getBlockHash only accepts a block number between 0 and 256"); | |||
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That's not correct. It accepts range of (current_block_number - 1, current_block_number - 257) .
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Btw, we could also change getblockhash in EVMC to return an error code for reason of failure.
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Actually this PR doesn't make sense. We have The |
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