bitcoin/libblkmaker
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blkmk_init_generation*: If possible, check we are not overflowing sigoplimit

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This commit is contained in:
Luke Dashjr 2016-07-26 03:11:46 +00:00
parent 3c7889fa23
commit df9c3e9303
1 changed files with 2 additions and 1 deletions
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blkmaker.c
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@ -180,7 +180,8 @@ uint64_t blkmk_init_generation3(blktemplate_t * const tmpl, const void * const s
memset(&data[off], 0, 4); // lock time
off += 4;
if (tmpl->txns_datasz + off > tmpl->sizelimit) {
if (tmpl->txns_datasz + off > tmpl->sizelimit
|| (tmpl->txns_sigops >= 0 && tmpl->txns_sigops + blkmk_count_sigops(script, scriptsz) > tmpl->sigoplimit)) {
free(data);
return 0;
}