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added double-check for 202612 block id

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if a new block has the same block id as 202612 but the wrong blobdata,
this will tell the caller that the block id is actually null_hash rather
than the 202612 block id.
This commit is contained in:
Thomas Winget 2014-09-05 18:32:31 -04:00 committed by fluffypony
parent 115f9523fa
commit 9a16bb9936
1 changed files with 13 additions and 1 deletions
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14
src/cryptonote_core/cryptonote_format_utils.cpp
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@ -638,7 +638,19 @@ namespace cryptonote
string_tools::hex_to_pod(existing_block_id_202612, res);
return true;
}
return get_object_hash(get_block_hashing_blob(b), res);
bool hash_result = get_object_hash(get_block_hashing_blob(b), res);
if (hash_result)
{
// make sure that we aren't looking at a block with the 202612 block id but not the correct blobdata
if (string_tools::pod_to_hex(res) == existing_block_id_202612)
{
LOG_ERROR("Block with block id for 202612 but incorrect block blob hash found!");
res = null_hash;
return false;
}
}
return hash_result;
}
//---------------------------------------------------------------
crypto::hash get_block_hash(const block& b)