Charon/blockchain
1
0
Fork 0
forked from lthn/blockchain
Code Pull requests Activity

add runtime check for buffer size

Browse source
This commit is contained in:
cryptozoidberg 2024-11-27 15:34:34 +04:00
parent 6a7c29be51
commit 9763548fa8
No known key found for this signature in database
GPG key ID: 2E10CC61CAC8F36D
1 changed files with 2 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
src/currency_core/basic_pow_helpers.h
View file

@ -37,12 +37,14 @@ namespace currency
inline uint64_t get_nonce_from_blockblob(const blobdata& bd)
{
uint64_t nonce = 0;
CHECK_AND_ASSERT_MES(bd.size() >= CURRENCY_MINER_BLOCK_BLOB_NONCE_OFFSET + sizeof(nonce), 0, "Unexpected block buffer size = " << bd.size());
std::memcpy(&nonce, &bd[CURRENCY_MINER_BLOCK_BLOB_NONCE_OFFSET], sizeof(nonce));
return nonce;
}
inline void set_nonce_to_blockblob(blobdata& bd, const uint64_t nonce)
{
CHECK_AND_ASSERT_MES(bd.size() >= CURRENCY_MINER_BLOCK_BLOB_NONCE_OFFSET + sizeof(nonce), void(), "Unexpected block buffer size = " << bd.size());
std::memcpy(&bd[CURRENCY_MINER_BLOCK_BLOB_NONCE_OFFSET], &nonce, sizeof(nonce));
}
}