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Added more integrity checks

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This commit is contained in:
SChernykh
2021-09-04 09:10:44 +02:00
parent c75bc83fc1
commit 1554a44f5c
2 changed files with 46 additions and 1 deletions
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16
src/block_template.cpp
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@@ -911,7 +911,21 @@ uint32_t BlockTemplate::get_hashing_blobs(uint32_t extra_nonce_start, uint32_t c
for (uint32_t i = 0; i < count; ++i) {
uint8_t blob[128];
blob_size = get_hashing_blob_nolock(extra_nonce_start + i, blob);
const uint32_t n = get_hashing_blob_nolock(extra_nonce_start + i, blob);
if (n > sizeof(blob)) {
LOGERR(1, "internal error: get_hashing_blob_nolock returned too large blob size " << n << ", expected <= " << sizeof(blob));
}
else if (n < 76) {
LOGERR(1, "internal error: get_hashing_blob_nolock returned too little blob size " << n << ", expected >= 76");
}
if (blob_size == 0) {
blob_size = n;
}
else if (n != blob_size) {
LOGERR(1, "internal error: get_hashing_blob_nolock returned different blob size " << n << ", expected " << blob_size);
}
blobs.insert(blobs.end(), blob, blob + blob_size);
}