void bitclient_generateTxHash(uint32 nonce1, uint32 userExtraNonceLength, uint8* userExtraNonce, uint32 coinBase1Length, uint8* coinBase1, uint32 coinBase2Length, uint8* coinBase2, uint8* txHash)
{
stream_t* streamTXData = streamEx_fromDynamicMemoryRange(1024*32);
stream_writeData(streamTXData, coinBase1, coinBase1Length);
stream_writeData(streamTXData, &nonce1, 4);
stream_writeData(streamTXData, userExtraNonce, userExtraNonceLength);
stream_writeData(streamTXData, coinBase2, coinBase2Length);
sint32 transactionDataLength = 0;
uint8* transactionData = (uint8*)streamEx_map(streamTXData, &transactionDataLength);
// special case, we can use the hash of the transaction
#if 0
int i;
printf("Merkle:\n");
for(i=0; i < transactionDataLength; i++){
printf("%2.2x ", transactionData[i]);
}
printf("\n");
#endif
uint8 hashOut[32];
sha256_context sctx;
sha256_starts(&sctx);
sha256_update(&sctx, transactionData, transactionDataLength);
sha256_finish(&sctx, hashOut);
sha256_starts(&sctx);
sha256_update(&sctx, hashOut, 32);
sha256_finish(&sctx, txHash);
free(transactionData);
stream_destroy(streamTXData);
}
void bitclient_generateTxHash(uint32 userExtraNonceLength, uint8* userExtraNonce, uint32 coinBase1Length, uint8* coinBase1, uint32 coinBase2Length, uint8* coinBase2, uint8* txHash)
{
stream_t* streamTXData = streamEx_fromDynamicMemoryRange(1024*32);
stream_writeData(streamTXData, coinBase1, coinBase1Length);
stream_writeData(streamTXData, userExtraNonce, userExtraNonceLength);
stream_writeData(streamTXData, coinBase2, coinBase2Length);
sint32 transactionDataLength = 0;
uint8* transactionData = (uint8*)streamEx_map(streamTXData, &transactionDataLength);
// special case, we can use the hash of the transaction
uint8 hashOut[32];
sha256_ctx sctx;
sha256_init(&sctx);
sha256_update(&sctx, transactionData, transactionDataLength);
sha256_final(&sctx, hashOut);
sha256_init(&sctx);
sha256_update(&sctx, hashOut, 32);
sha256_final(&sctx, txHash);
free(transactionData);
stream_destroy(streamTXData);
}
