printf("datachain_checkpoint.%s for %s.%u to %u lastheight.%d %s\n",bits256_str(str,merkle),coin->symbol,lastcheckpoint,timestamp,lastheight,bits256_str(str2,lasthash2));
printf("datachain_checkpoint.%s for %s.%u to %u lastheight.%d %s\n",bits256_str(str,merkle),coin->symbol,lastcheckpoint,timestamp,lastheight,bits256_str(str2,lasthash2));