C++ UniValue::exists方法代码示例

本文整理汇总了C++中UniValue::exists方法的典型用法代码示例。如果您正苦于以下问题：C++ UniValue::exists方法的具体用法？C++ UniValue::exists怎么用？C++ UniValue::exists使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类UniValue的用法示例。

在下文中一共展示了UniValue::exists方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: MutateTxSign

static void MutateTxSign(CMutableTransaction& tx, const string& flagStr)
{
    int nHashType = SIGHASH_ALL;

    if (flagStr.size() > 0)
        if (!findSighashFlags(nHashType, flagStr))
            throw runtime_error("unknown sighash flag/sign option");

    vector<CTransaction> txVariants;
    txVariants.push_back(tx);

    // mergedTx will end up with all the signatures; it
    // starts as a clone of the raw tx:
    CMutableTransaction mergedTx(txVariants[0]);
    bool fComplete = true;
    CCoinsView viewDummy;
    CCoinsViewCache view(&viewDummy);

    if (!registers.count("privatekeys"))
        throw runtime_error("privatekeys register variable must be set.");
    bool fGivenKeys = false;
    CBasicKeyStore tempKeystore;
    UniValue keysObj = registers["privatekeys"];
    fGivenKeys = true;

    for (unsigned int kidx = 0; kidx < keysObj.size(); kidx++) {
        if (!keysObj[kidx].isStr())
            throw runtime_error("privatekey not a string");
        COnlineSecret vchSecret;
        bool fGood = vchSecret.SetString(keysObj[kidx].getValStr());
        if (!fGood)
            throw runtime_error("privatekey not valid");

        CKey key = vchSecret.GetKey();
        tempKeystore.AddKey(key);
    }

    // Add previous txouts given in the RPC call:
    if (!registers.count("prevtxs"))
        throw runtime_error("prevtxs register variable must be set.");
    UniValue prevtxsObj = registers["prevtxs"];
    {
        for (unsigned int previdx = 0; previdx < prevtxsObj.size(); previdx++) {
            UniValue prevOut = prevtxsObj[previdx];
            if (!prevOut.isObject())
                throw runtime_error("expected prevtxs internal object");

            map<string,UniValue::VType> types = boost::assign::map_list_of("txid", UniValue::VSTR)("vout",UniValue::VNUM)("scriptPubKey",UniValue::VSTR);
            if (!prevOut.checkObject(types))
                throw runtime_error("prevtxs internal object typecheck fail");

            uint256 txid = ParseHashUV(prevOut["txid"], "txid");

            int nOut = atoi(prevOut["vout"].getValStr());
            if (nOut < 0)
                throw runtime_error("vout must be positive");

            vector<unsigned char> pkData(ParseHexUV(prevOut["scriptPubKey"], "scriptPubKey"));
            CScript scriptPubKey(pkData.begin(), pkData.end());

            {
                CCoinsModifier coins = view.ModifyCoins(txid);
                if (coins->IsAvailable(nOut) && coins->vout[nOut].scriptPubKey != scriptPubKey) {
                    string err("Previous output scriptPubKey mismatch:\n");
                    err = err + coins->vout[nOut].scriptPubKey.ToString() + "\nvs:\n"+
                        scriptPubKey.ToString();
                    throw runtime_error(err);
                }
                if ((unsigned int)nOut >= coins->vout.size())
                    coins->vout.resize(nOut+1);
                coins->vout[nOut].scriptPubKey = scriptPubKey;
                coins->vout[nOut].nValue = 0; // we don't know the actual output value
            }

            // if redeemScript given and private keys given,
            // add redeemScript to the tempKeystore so it can be signed:
            if (fGivenKeys && scriptPubKey.IsPayToScriptHash() &&
                prevOut.exists("redeemScript")) {
                UniValue v = prevOut["redeemScript"];
                vector<unsigned char> rsData(ParseHexUV(v, "redeemScript"));
                CScript redeemScript(rsData.begin(), rsData.end());
                tempKeystore.AddCScript(redeemScript);
            }
        }
    }

    const CKeyStore& keystore = tempKeystore;

    bool fHashSingle = ((nHashType & ~SIGHASH_ANYONECANPAY) == SIGHASH_SINGLE);

    // Sign what we can:
    for (unsigned int i = 0; i < mergedTx.vin.size(); i++) {
        CTxIn& txin = mergedTx.vin[i];
        const CCoins* coins = view.AccessCoins(txin.prevout.hash);
        if (!coins || !coins->IsAvailable(txin.prevout.n)) {
            fComplete = false;
            continue;
        }
        const CScript& prevPubKey = coins->vout[txin.prevout.n].scriptPubKey;

//.........这里部分代码省略.........

开发者ID:Onlinebeta，项目名称:online-1，代码行数:101，代码来源:online-tx.cpp

示例2: MutateTxSign

static void MutateTxSign(CMutableTransaction& tx, const std::string& flagStr)
{
    int nHashType = SIGHASH_ALL;

    if (flagStr.size() > 0)
        if (!findSighashFlags(nHashType, flagStr))
            throw std::runtime_error("unknown sighash flag/sign option");

    // mergedTx will end up with all the signatures; it
    // starts as a clone of the raw tx:
    CMutableTransaction mergedTx{tx};
    const CMutableTransaction txv{tx};
    CCoinsView viewDummy;
    CCoinsViewCache view(&viewDummy);

    if (!registers.count("privatekeys"))
        throw std::runtime_error("privatekeys register variable must be set.");
    CBasicKeyStore tempKeystore;
    UniValue keysObj = registers["privatekeys"];

    for (unsigned int kidx = 0; kidx < keysObj.size(); kidx++) {
        if (!keysObj[kidx].isStr())
            throw std::runtime_error("privatekey not a std::string");
        CKey key = DecodeSecret(keysObj[kidx].getValStr());
        if (!key.IsValid()) {
            throw std::runtime_error("privatekey not valid");
        }
        tempKeystore.AddKey(key);
    }

    // Add previous txouts given in the RPC call:
    if (!registers.count("prevtxs"))
        throw std::runtime_error("prevtxs register variable must be set.");
    UniValue prevtxsObj = registers["prevtxs"];
    {
        for (unsigned int previdx = 0; previdx < prevtxsObj.size(); previdx++) {
            UniValue prevOut = prevtxsObj[previdx];
            if (!prevOut.isObject())
                throw std::runtime_error("expected prevtxs internal object");

            std::map<std::string, UniValue::VType> types = {
                {"txid", UniValue::VSTR},
                {"vout", UniValue::VNUM},
                {"scriptPubKey", UniValue::VSTR},
            };
            if (!prevOut.checkObject(types))
                throw std::runtime_error("prevtxs internal object typecheck fail");

            uint256 txid = ParseHashStr(prevOut["txid"].get_str(), "txid");

            int nOut = atoi(prevOut["vout"].getValStr());
            if (nOut < 0)
                throw std::runtime_error("vout must be positive");

            COutPoint out(txid, nOut);
            std::vector<unsigned char> pkData(ParseHexUV(prevOut["scriptPubKey"], "scriptPubKey"));
            CScript scriptPubKey(pkData.begin(), pkData.end());

            {
                const Coin& coin = view.AccessCoin(out);
                if (!coin.IsSpent() && coin.out.scriptPubKey != scriptPubKey) {
                    std::string err("Previous output scriptPubKey mismatch:\n");
                    err = err + ScriptToAsmStr(coin.out.scriptPubKey) + "\nvs:\n"+
                        ScriptToAsmStr(scriptPubKey);
                    throw std::runtime_error(err);
                }
                Coin newcoin;
                newcoin.out.scriptPubKey = scriptPubKey;
                newcoin.out.nValue = 0;
                if (prevOut.exists("amount")) {
                    newcoin.out.nValue = AmountFromValue(prevOut["amount"]);
                }
                newcoin.nHeight = 1;
                view.AddCoin(out, std::move(newcoin), true);
            }

            // if redeemScript given and private keys given,
            // add redeemScript to the tempKeystore so it can be signed:
            if ((scriptPubKey.IsPayToScriptHash() || scriptPubKey.IsPayToWitnessScriptHash()) &&
                prevOut.exists("redeemScript")) {
                UniValue v = prevOut["redeemScript"];
                std::vector<unsigned char> rsData(ParseHexUV(v, "redeemScript"));
                CScript redeemScript(rsData.begin(), rsData.end());
                tempKeystore.AddCScript(redeemScript);
            }
        }
    }

    const CKeyStore& keystore = tempKeystore;

    bool fHashSingle = ((nHashType & ~SIGHASH_ANYONECANPAY) == SIGHASH_SINGLE);

    // Sign what we can:
    for (unsigned int i = 0; i < mergedTx.vin.size(); i++) {
        CTxIn& txin = mergedTx.vin[i];
        const Coin& coin = view.AccessCoin(txin.prevout);
        if (coin.IsSpent()) {
            continue;
        }
        const CScript& prevPubKey = coin.out.scriptPubKey;
//.........这里部分代码省略.........

开发者ID:RichardW35，项目名称:bitcoin，代码行数:101，代码来源:bitcoin-tx.cpp

示例3: signrawtransaction


//.........这里部分代码省略.........
            if (!p.isObject())
                throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "expected object with {\"txid'\",\"vout\",\"scriptPubKey\"}");

            UniValue prevOut = p.get_obj();

            RPCTypeCheckObj(prevOut,
                {
                    {"txid", UniValueType(UniValue::VSTR)},
                    {"vout", UniValueType(UniValue::VNUM)},
                    {"scriptPubKey", UniValueType(UniValue::VSTR)},
                });

            uint256 txid = ParseHashO(prevOut, "txid");

            int nOut = find_value(prevOut, "vout").get_int();
            if (nOut < 0)
                throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "vout must be positive");

            vector<unsigned char> pkData(ParseHexO(prevOut, "scriptPubKey"));
            CScript scriptPubKey(pkData.begin(), pkData.end());

            {
                CCoinsModifier coins = view.ModifyCoins(txid);
                if (coins->IsAvailable(nOut) && coins->vout[nOut].scriptPubKey != scriptPubKey) {
                    string err("Previous output scriptPubKey mismatch:\n");
                    err = err + ScriptToAsmStr(coins->vout[nOut].scriptPubKey) + "\nvs:\n"+
                        ScriptToAsmStr(scriptPubKey);
                    throw JSONRPCError(RPC_DESERIALIZATION_ERROR, err);
                }
                if ((unsigned int)nOut >= coins->vout.size())
                    coins->vout.resize(nOut+1);
                coins->vout[nOut].scriptPubKey = scriptPubKey;
                coins->vout[nOut].nValue = 0;
                if (prevOut.exists("amount")) {
                    coins->vout[nOut].nValue = AmountFromValue(find_value(prevOut, "amount"));
                }
            }

            // if redeemScript given and not using the local wallet (private keys
            // given), add redeemScript to the tempKeystore so it can be signed:
            if (fGivenKeys && (scriptPubKey.IsPayToScriptHash() || scriptPubKey.IsPayToWitnessScriptHash())) {
                RPCTypeCheckObj(prevOut,
                    {
                        {"txid", UniValueType(UniValue::VSTR)},
                        {"vout", UniValueType(UniValue::VNUM)},
                        {"scriptPubKey", UniValueType(UniValue::VSTR)},
                        {"redeemScript", UniValueType(UniValue::VSTR)},
                    });
                UniValue v = find_value(prevOut, "redeemScript");
                if (!v.isNull()) {
                    vector<unsigned char> rsData(ParseHexV(v, "redeemScript"));
                    CScript redeemScript(rsData.begin(), rsData.end());
                    tempKeystore.AddCScript(redeemScript);
                }
            }
        }
    }

#ifdef ENABLE_WALLET
    const CKeyStore& keystore = ((fGivenKeys || !pwalletMain) ? tempKeystore : *pwalletMain);
#else
    const CKeyStore& keystore = tempKeystore;
#endif

    int nHashType = SIGHASH_ALL;
    if (params.size() > 3 && !params[3].isNull()) {

开发者ID:metacoin，项目名称:florincoin，代码行数:67，代码来源:rawtransaction.cpp

示例4: signrawtransaction


//.........这里部分代码省略.........
            if (!p.isObject())
                throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "expected object with {\"txid'\",\"vout\",\"scriptPubKey\"}");

            UniValue prevOut = p.get_obj();

            RPCTypeCheckObj(prevOut,
                {
                    {"txid", UniValueType(UniValue::VSTR)},
                    {"vout", UniValueType(UniValue::VNUM)},
                    {"scriptPubKey", UniValueType(UniValue::VSTR)},
                });

            uint256 txid = ParseHashO(prevOut, "txid");

            int nOut = find_value(prevOut, "vout").get_int();
            if (nOut < 0)
                throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "vout must be positive");

            COutPoint out(txid, nOut);
            std::vector<unsigned char> pkData(ParseHexO(prevOut, "scriptPubKey"));
            CScript scriptPubKey(pkData.begin(), pkData.end());

            {
                const Coin& coin = view.AccessCoin(out);
                if (!coin.IsSpent() && coin.out.scriptPubKey != scriptPubKey) {
                    std::string err("Previous output scriptPubKey mismatch:\n");
                    err = err + ScriptToAsmStr(coin.out.scriptPubKey) + "\nvs:\n"+
                        ScriptToAsmStr(scriptPubKey);
                    throw JSONRPCError(RPC_DESERIALIZATION_ERROR, err);
                }
                Coin newcoin;
                newcoin.out.scriptPubKey = scriptPubKey;
                newcoin.out.nValue = 0;
                if (prevOut.exists("amount")) {
                    newcoin.out.nValue = AmountFromValue(find_value(prevOut, "amount"));
                }
                newcoin.nHeight = 1;
                view.AddCoin(out, std::move(newcoin), true);
            }

            // if redeemScript given and not using the local wallet (private keys
            // given), add redeemScript to the tempKeystore so it can be signed:
            if (fGivenKeys && (scriptPubKey.IsPayToScriptHash() || scriptPubKey.IsPayToWitnessScriptHash())) {
                RPCTypeCheckObj(prevOut,
                    {
                        {"txid", UniValueType(UniValue::VSTR)},
                        {"vout", UniValueType(UniValue::VNUM)},
                        {"scriptPubKey", UniValueType(UniValue::VSTR)},
                        {"redeemScript", UniValueType(UniValue::VSTR)},
                    });
                UniValue v = find_value(prevOut, "redeemScript");
                if (!v.isNull()) {
                    std::vector<unsigned char> rsData(ParseHexV(v, "redeemScript"));
                    CScript redeemScript(rsData.begin(), rsData.end());
                    tempKeystore.AddCScript(redeemScript);
                }
            }
        }
    }

#ifdef ENABLE_WALLET
    const CKeyStore& keystore = ((fGivenKeys || !pwallet) ? tempKeystore : *pwallet);
#else
    const CKeyStore& keystore = tempKeystore;
#endif

开发者ID:21E14，项目名称:bitcoin，代码行数:66，代码来源:rawtransaction.cpp

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