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proper midstates are back!

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Skot Croshere 2023-05-23 23:17:34 -04:00 committed by johnny9
parent 1f2f520024
commit f00ef85016
1 changed files with 10 additions and 6 deletions
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16
components/stratum/mining.c
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@ -62,26 +62,30 @@ bm_job construct_bm_job(mining_notify * params, const char * merkle_root) {
new_job.target = params->target;
new_job.ntime = params->ntime;
hex2bin(merkle_root, new_job.merkle_root, 32);
hex2bin(params->prev_block_hash, new_job.prev_block_hash, 32);
swap_endian_words(params->prev_block_hash, new_job.prev_block_hash); //copy prev_block_hash
swap_endian_words(merkle_root, new_job.merkle_root); //copy merkle_root
////make the midstate hash
uint8_t midstate_data[64];
uint8_t midstate_data[68];
//print the header
printf("header: %08x%s%s%08x%08x000000000000008000000000000000000000000000000000000000000000000000000000\n", params->version, params->prev_block_hash, merkle_root, params->ntime, params->target);
//copy 68 bytes header data into midstate (and deal with endianess)
memcpy(midstate_data, &new_job.version, 4); //copy version
swap_endian_words(params->prev_block_hash, midstate_data + 4); //copy prev_block_hash
swap_endian_words(merkle_root, midstate_data + 36); //copy merkle_root
memcpy(midstate_data + 4, new_job.prev_block_hash, 32); //copy prev_block_hash
memcpy(midstate_data + 36, new_job.merkle_root, 32); //copy merkle_root
printf("midstate_data: ");
prettyHex(midstate_data, 64);
printf("\n");
midstate_sha256_bin(midstate_data, 64, new_job.midstate); //make the midstate hash
printf("midstate_hash: ");
prettyHex(new_job.midstate, 32);
printf("\n");
reverse_bytes(new_job.midstate, 32); //reverse the midstate bytes for the BM job packet
return new_job;