diff --git a/src/cc/prices.cpp b/src/cc/prices.cpp index 246d02329..be4d68e7d 100644 --- a/src/cc/prices.cpp +++ b/src/cc/prices.cpp @@ -202,18 +202,20 @@ uint8_t prices_costbasisopretdecode(CScript scriptPubKey,uint256 &bettxid,CPubKe return(0); } -CScript prices_finalopret(bool isRekt, uint256 bettxid, CPubKey pk, int32_t lastheight, int64_t costbasis, int64_t lastprice, int64_t liquidationprice, int64_t equity, int64_t exitfee) +CScript prices_finalopret(bool isRekt, uint256 bettxid, CPubKey pk, int32_t lastheight, int64_t costbasis, int64_t lastprice, int64_t liquidationprice, int64_t equity, int64_t exitfee, uint32_t nonce) { CScript opret; - opret << OP_RETURN << E_MARSHAL(ss << EVAL_PRICES << (isRekt ? 'R' : 'F') << bettxid << pk << lastheight << costbasis << lastprice << liquidationprice << equity << exitfee); + opret << OP_RETURN << E_MARSHAL(ss << EVAL_PRICES << (isRekt ? 'R' : 'F') << bettxid << pk << lastheight << costbasis << lastprice << liquidationprice << equity << exitfee << nonce); return(opret); } uint8_t prices_finalopretdecode(CScript scriptPubKey, uint256 &bettxid, CPubKey &pk, int32_t &lastheight, int64_t &costbasis, int64_t &lastprice, int64_t &liquidationprice, int64_t &equity, int64_t &exitfee) { std::vector vopret; uint8_t e,f; + uint32_t nonce; + GetOpReturnData(scriptPubKey,vopret); - if (vopret.size() > 2 && E_UNMARSHAL(vopret, ss >> e; ss >> f; ss >> bettxid; ss >> pk; ss >> lastheight; ss >> costbasis; ss >> lastprice; ss >> liquidationprice; ss >> equity; ss >> exitfee) != 0 && e == EVAL_PRICES && (f == 'F' || f == 'R')) + if (vopret.size() > 2 && E_UNMARSHAL(vopret, ss >> e; ss >> f; ss >> bettxid; ss >> pk; ss >> lastheight; ss >> costbasis; ss >> lastprice; ss >> liquidationprice; ss >> equity; ss >> exitfee; if (!ss.eof()) ss >> nonce; ) != 0 && e == EVAL_PRICES && (f == 'F' || f == 'R')) { return(f); } @@ -1947,8 +1949,35 @@ UniValue PricesRekt(int64_t txfee, uint256 bettxid, int32_t rektheight) mtx.vout.push_back(MakeCC1vout(cp->evalcode, CCchange, pricespk)); /// mtx.vout.push_back(MakeCC1vout(cp->evalcode, bettx.vout[2].nValue - myfee - txfee, pricespk)); // change - rawtx = FinalizeCCTx(0, cp, mtx, mypk, txfee, prices_finalopret(true, bettxid, mypk, betinfo.lastheight, betinfo.averageCostbasis, betinfo.lastprice, betinfo.liquidationprice, betinfo.equity, myfee)); - return(prices_rawtxresult(result, rawtx, 0)); + + // make some PoW to get txid=0x00.....00 to 'faucet' rekts + fprintf(stderr, "start PoW at %u\n", (uint32_t)time(NULL)); + uint32_t nonce = rand() & 0xfffffff; + for (int i = 0; i<1000000; i++, nonce++) + { + CMutableTransaction tmpmtx = mtx; + int32_t len; + uint8_t txbuf[32768]; + + rawtx = FinalizeCCTx(0, cp, tmpmtx, mypk, txfee, prices_finalopret(true, bettxid, mypk, betinfo.lastheight, betinfo.averageCostbasis, betinfo.lastprice, betinfo.liquidationprice, betinfo.equity, myfee, nonce)); + if ((len = (int32_t)rawtx.size()) > 0 && len < sizeof(txbuf) / sizeof(txbuf[0]) * 2) + { + len >>= 1; // sizeof hex divide by 2 + decode_hex(txbuf, len, (char *)rawtx.c_str()); + bits256 hash = bits256_doublesha256(0, txbuf, len); + if ((hash.bytes[0] & 0xff) == 0 && (hash.bytes[31] & 0xff) == 0) + { + fprintf(stderr, "found valid txid after %d iterations %u\n", i, (uint32_t)time(NULL)); + return(prices_rawtxresult(result, rawtx, 0)); + } + //fprintf(stderr,"%02x%02x ",hash.bytes[0],hash.bytes[31]); + } + } + fprintf(stderr, "couldnt generate valid txid %u\n", (uint32_t)time(NULL)); + + result.push_back(Pair("result", "error")); + result.push_back(Pair("error", "could not generate valid txid")); + return(result); } else { @@ -2031,7 +2060,7 @@ UniValue PricesCashout(int64_t txfee, uint256 bettxid) if (CCchange >= txfee) mtx.vout.push_back(MakeCC1vout(cp->evalcode, CCchange, pricespk)); // TODO: what should the opret param be: - rawtx = FinalizeCCTx(0, cp, mtx, mypk, txfee, prices_finalopret(false, bettxid, mypk, nextheight-1, betinfo.averageCostbasis, betinfo.lastprice, betinfo.liquidationprice, betinfo.equity, txfee)); + rawtx = FinalizeCCTx(0, cp, mtx, mypk, txfee, prices_finalopret(false, bettxid, mypk, nextheight-1, betinfo.averageCostbasis, betinfo.lastprice, betinfo.liquidationprice, betinfo.equity, txfee, 0)); return(prices_rawtxresult(result, rawtx, 0)); }