Merge #7348: MOVE ONLY: move rpc* to rpc/

d13f65e rpc: update inline comments to refer to new file paths (Daniel Cousens)
a0eaff8 move rpc* to rpc/ (Daniel Cousens)

1 files changed, 841 insertions, 0 deletions

diff --git a/src/rpc/rawtransaction.cpp b/src/rpc/rawtransaction.cpp
new file mode 100644
index 0000000000..2ec80f468c
--- /dev/null
+++ b/src/rpc/rawtransaction.cpp
@@ -0,0 +1,841 @@
+// Copyright (c) 2010 Satoshi Nakamoto
+// Copyright (c) 2009-2015 The Bitcoin Core developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#include "base58.h"
+#include "chain.h"
+#include "coins.h"
+#include "consensus/validation.h"
+#include "core_io.h"
+#include "init.h"
+#include "keystore.h"
+#include "main.h"
+#include "merkleblock.h"
+#include "net.h"
+#include "policy/policy.h"
+#include "primitives/transaction.h"
+#include "rpc/server.h"
+#include "script/script.h"
+#include "script/script_error.h"
+#include "script/sign.h"
+#include "script/standard.h"
+#include "txmempool.h"
+#include "uint256.h"
+#include "utilstrencodings.h"
+#ifdef ENABLE_WALLET
+#include "wallet/wallet.h"
+#endif
+
+#include <stdint.h>
+
+#include <boost/assign/list_of.hpp>
+
+#include <univalue.h>
+
+using namespace std;
+
+void ScriptPubKeyToJSON(const CScript& scriptPubKey, UniValue& out, bool fIncludeHex)
+{
+    txnouttype type;
+    vector<CTxDestination> addresses;
+    int nRequired;
+
+    out.push_back(Pair("asm", ScriptToAsmStr(scriptPubKey)));
+    if (fIncludeHex)
+        out.push_back(Pair("hex", HexStr(scriptPubKey.begin(), scriptPubKey.end())));
+
+    if (!ExtractDestinations(scriptPubKey, type, addresses, nRequired)) {
+        out.push_back(Pair("type", GetTxnOutputType(type)));
+        return;
+    }
+
+    out.push_back(Pair("reqSigs", nRequired));
+    out.push_back(Pair("type", GetTxnOutputType(type)));
+
+    UniValue a(UniValue::VARR);
+    BOOST_FOREACH(const CTxDestination& addr, addresses)
+        a.push_back(CBitcoinAddress(addr).ToString());
+    out.push_back(Pair("addresses", a));
+}
+
+void TxToJSON(const CTransaction& tx, const uint256 hashBlock, UniValue& entry)
+{
+    entry.push_back(Pair("txid", tx.GetHash().GetHex()));
+    entry.push_back(Pair("size", (int)::GetSerializeSize(tx, SER_NETWORK, PROTOCOL_VERSION)));
+    entry.push_back(Pair("version", tx.nVersion));
+    entry.push_back(Pair("locktime", (int64_t)tx.nLockTime));
+    UniValue vin(UniValue::VARR);
+    BOOST_FOREACH(const CTxIn& txin, tx.vin) {
+        UniValue in(UniValue::VOBJ);
+        if (tx.IsCoinBase())
+            in.push_back(Pair("coinbase", HexStr(txin.scriptSig.begin(), txin.scriptSig.end())));
+        else {
+            in.push_back(Pair("txid", txin.prevout.hash.GetHex()));
+            in.push_back(Pair("vout", (int64_t)txin.prevout.n));
+            UniValue o(UniValue::VOBJ);
+            o.push_back(Pair("asm", ScriptToAsmStr(txin.scriptSig, true)));
+            o.push_back(Pair("hex", HexStr(txin.scriptSig.begin(), txin.scriptSig.end())));
+            in.push_back(Pair("scriptSig", o));
+        }
+        in.push_back(Pair("sequence", (int64_t)txin.nSequence));
+        vin.push_back(in);
+    }
+    entry.push_back(Pair("vin", vin));
+    UniValue vout(UniValue::VARR);
+    for (unsigned int i = 0; i < tx.vout.size(); i++) {
+        const CTxOut& txout = tx.vout[i];
+        UniValue out(UniValue::VOBJ);
+        out.push_back(Pair("value", ValueFromAmount(txout.nValue)));
+        out.push_back(Pair("n", (int64_t)i));
+        UniValue o(UniValue::VOBJ);
+        ScriptPubKeyToJSON(txout.scriptPubKey, o, true);
+        out.push_back(Pair("scriptPubKey", o));
+        vout.push_back(out);
+    }
+    entry.push_back(Pair("vout", vout));
+
+    if (!hashBlock.IsNull()) {
+        entry.push_back(Pair("blockhash", hashBlock.GetHex()));
+        BlockMap::iterator mi = mapBlockIndex.find(hashBlock);
+        if (mi != mapBlockIndex.end() && (*mi).second) {
+            CBlockIndex* pindex = (*mi).second;
+            if (chainActive.Contains(pindex)) {
+                entry.push_back(Pair("confirmations", 1 + chainActive.Height() - pindex->nHeight));
+                entry.push_back(Pair("time", pindex->GetBlockTime()));
+                entry.push_back(Pair("blocktime", pindex->GetBlockTime()));
+            }
+            else
+                entry.push_back(Pair("confirmations", 0));
+        }
+    }
+}
+
+UniValue getrawtransaction(const UniValue& params, bool fHelp)
+{
+    if (fHelp || params.size() < 1 || params.size() > 2)
+        throw runtime_error(
+            "getrawtransaction \"txid\" ( verbose )\n"
+            "\nNOTE: By default this function only works sometimes. This is when the tx is in the mempool\n"
+            "or there is an unspent output in the utxo for this transaction. To make it always work,\n"
+            "you need to maintain a transaction index, using the -txindex command line option.\n"
+            "\nReturn the raw transaction data.\n"
+            "\nIf verbose=0, returns a string that is serialized, hex-encoded data for 'txid'.\n"
+            "If verbose is non-zero, returns an Object with information about 'txid'.\n"
+
+            "\nArguments:\n"
+            "1. \"txid\"      (string, required) The transaction id\n"
+            "2. verbose       (numeric, optional, default=0) If 0, return a string, other return a json object\n"
+
+            "\nResult (if verbose is not set or set to 0):\n"
+            "\"data\"      (string) The serialized, hex-encoded data for 'txid'\n"
+
+            "\nResult (if verbose > 0):\n"
+            "{\n"
+            "  \"hex\" : \"data\",       (string) The serialized, hex-encoded data for 'txid'\n"
+            "  \"txid\" : \"id\",        (string) The transaction id (same as provided)\n"
+            "  \"size\" : n,             (numeric) The transaction size\n"
+            "  \"version\" : n,          (numeric) The version\n"
+            "  \"locktime\" : ttt,       (numeric) The lock time\n"
+            "  \"vin\" : [               (array of json objects)\n"
+            "     {\n"
+            "       \"txid\": \"id\",    (string) The transaction id\n"
+            "       \"vout\": n,         (numeric) \n"
+            "       \"scriptSig\": {     (json object) The script\n"
+            "         \"asm\": \"asm\",  (string) asm\n"
+            "         \"hex\": \"hex\"   (string) hex\n"
+            "       },\n"
+            "       \"sequence\": n      (numeric) The script sequence number\n"
+            "     }\n"
+            "     ,...\n"
+            "  ],\n"
+            "  \"vout\" : [              (array of json objects)\n"
+            "     {\n"
+            "       \"value\" : x.xxx,            (numeric) The value in " + CURRENCY_UNIT + "\n"
+            "       \"n\" : n,                    (numeric) index\n"
+            "       \"scriptPubKey\" : {          (json object)\n"
+            "         \"asm\" : \"asm\",          (string) the asm\n"
+            "         \"hex\" : \"hex\",          (string) the hex\n"
+            "         \"reqSigs\" : n,            (numeric) The required sigs\n"
+            "         \"type\" : \"pubkeyhash\",  (string) The type, eg 'pubkeyhash'\n"
+            "         \"addresses\" : [           (json array of string)\n"
+            "           \"bitcoinaddress\"        (string) bitcoin address\n"
+            "           ,...\n"
+            "         ]\n"
+            "       }\n"
+            "     }\n"
+            "     ,...\n"
+            "  ],\n"
+            "  \"blockhash\" : \"hash\",   (string) the block hash\n"
+            "  \"confirmations\" : n,      (numeric) The confirmations\n"
+            "  \"time\" : ttt,             (numeric) The transaction time in seconds since epoch (Jan 1 1970 GMT)\n"
+            "  \"blocktime\" : ttt         (numeric) The block time in seconds since epoch (Jan 1 1970 GMT)\n"
+            "}\n"
+
+            "\nExamples:\n"
+            + HelpExampleCli("getrawtransaction", "\"mytxid\"")
+            + HelpExampleCli("getrawtransaction", "\"mytxid\" 1")
+            + HelpExampleRpc("getrawtransaction", "\"mytxid\", 1")
+        );
+
+    LOCK(cs_main);
+
+    uint256 hash = ParseHashV(params[0], "parameter 1");
+
+    bool fVerbose = false;
+    if (params.size() > 1)
+        fVerbose = (params[1].get_int() != 0);
+
+    CTransaction tx;
+    uint256 hashBlock;
+    if (!GetTransaction(hash, tx, Params().GetConsensus(), hashBlock, true))
+        throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "No information available about transaction");
+
+    string strHex = EncodeHexTx(tx);
+
+    if (!fVerbose)
+        return strHex;
+
+    UniValue result(UniValue::VOBJ);
+    result.push_back(Pair("hex", strHex));
+    TxToJSON(tx, hashBlock, result);
+    return result;
+}
+
+UniValue gettxoutproof(const UniValue& params, bool fHelp)
+{
+    if (fHelp || (params.size() != 1 && params.size() != 2))
+        throw runtime_error(
+            "gettxoutproof [\"txid\",...] ( blockhash )\n"
+            "\nReturns a hex-encoded proof that \"txid\" was included in a block.\n"
+            "\nNOTE: By default this function only works sometimes. This is when there is an\n"
+            "unspent output in the utxo for this transaction. To make it always work,\n"
+            "you need to maintain a transaction index, using the -txindex command line option or\n"
+            "specify the block in which the transaction is included in manually (by blockhash).\n"
+            "\nReturn the raw transaction data.\n"
+            "\nArguments:\n"
+            "1. \"txids\"       (string) A json array of txids to filter\n"
+            "    [\n"
+            "      \"txid\"     (string) A transaction hash\n"
+            "      ,...\n"
+            "    ]\n"
+            "2. \"block hash\"  (string, optional) If specified, looks for txid in the block with this hash\n"
+            "\nResult:\n"
+            "\"data\"           (string) A string that is a serialized, hex-encoded data for the proof.\n"
+        );
+
+    set<uint256> setTxids;
+    uint256 oneTxid;
+    UniValue txids = params[0].get_array();
+    for (unsigned int idx = 0; idx < txids.size(); idx++) {
+        const UniValue& txid = txids[idx];
+        if (txid.get_str().length() != 64 || !IsHex(txid.get_str()))
+            throw JSONRPCError(RPC_INVALID_PARAMETER, string("Invalid txid ")+txid.get_str());
+        uint256 hash(uint256S(txid.get_str()));
+        if (setTxids.count(hash))
+            throw JSONRPCError(RPC_INVALID_PARAMETER, string("Invalid parameter, duplicated txid: ")+txid.get_str());
+       setTxids.insert(hash);
+       oneTxid = hash;
+    }
+
+    LOCK(cs_main);
+
+    CBlockIndex* pblockindex = NULL;
+
+    uint256 hashBlock;
+    if (params.size() > 1)
+    {
+        hashBlock = uint256S(params[1].get_str());
+        if (!mapBlockIndex.count(hashBlock))
+            throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Block not found");
+        pblockindex = mapBlockIndex[hashBlock];
+    } else {
+        CCoins coins;
+        if (pcoinsTip->GetCoins(oneTxid, coins) && coins.nHeight > 0 && coins.nHeight <= chainActive.Height())
+            pblockindex = chainActive[coins.nHeight];
+    }
+
+    if (pblockindex == NULL)
+    {
+        CTransaction tx;
+        if (!GetTransaction(oneTxid, tx, Params().GetConsensus(), hashBlock, false) || hashBlock.IsNull())
+            throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Transaction not yet in block");
+        if (!mapBlockIndex.count(hashBlock))
+            throw JSONRPCError(RPC_INTERNAL_ERROR, "Transaction index corrupt");
+        pblockindex = mapBlockIndex[hashBlock];
+    }
+
+    CBlock block;
+    if(!ReadBlockFromDisk(block, pblockindex, Params().GetConsensus()))
+        throw JSONRPCError(RPC_INTERNAL_ERROR, "Can't read block from disk");
+
+    unsigned int ntxFound = 0;
+    BOOST_FOREACH(const CTransaction&tx, block.vtx)
+        if (setTxids.count(tx.GetHash()))
+            ntxFound++;
+    if (ntxFound != setTxids.size())
+        throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "(Not all) transactions not found in specified block");
+
+    CDataStream ssMB(SER_NETWORK, PROTOCOL_VERSION);
+    CMerkleBlock mb(block, setTxids);
+    ssMB << mb;
+    std::string strHex = HexStr(ssMB.begin(), ssMB.end());
+    return strHex;
+}
+
+UniValue verifytxoutproof(const UniValue& params, bool fHelp)
+{
+    if (fHelp || params.size() != 1)
+        throw runtime_error(
+            "verifytxoutproof \"proof\"\n"
+            "\nVerifies that a proof points to a transaction in a block, returning the transaction it commits to\n"
+            "and throwing an RPC error if the block is not in our best chain\n"
+            "\nArguments:\n"
+            "1. \"proof\"    (string, required) The hex-encoded proof generated by gettxoutproof\n"
+            "\nResult:\n"
+            "[\"txid\"]      (array, strings) The txid(s) which the proof commits to, or empty array if the proof is invalid\n"
+        );
+
+    CDataStream ssMB(ParseHexV(params[0], "proof"), SER_NETWORK, PROTOCOL_VERSION);
+    CMerkleBlock merkleBlock;
+    ssMB >> merkleBlock;
+
+    UniValue res(UniValue::VARR);
+
+    vector<uint256> vMatch;
+    if (merkleBlock.txn.ExtractMatches(vMatch) != merkleBlock.header.hashMerkleRoot)
+        return res;
+
+    LOCK(cs_main);
+
+    if (!mapBlockIndex.count(merkleBlock.header.GetHash()) || !chainActive.Contains(mapBlockIndex[merkleBlock.header.GetHash()]))
+        throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Block not found in chain");
+
+    BOOST_FOREACH(const uint256& hash, vMatch)
+        res.push_back(hash.GetHex());
+    return res;
+}
+
+UniValue createrawtransaction(const UniValue& params, bool fHelp)
+{
+    if (fHelp || params.size() < 2 || params.size() > 3)
+        throw runtime_error(
+            "createrawtransaction [{\"txid\":\"id\",\"vout\":n},...] {\"address\":amount,\"data\":\"hex\",...} ( locktime )\n"
+            "\nCreate a transaction spending the given inputs and creating new outputs.\n"
+            "Outputs can be addresses or data.\n"
+            "Returns hex-encoded raw transaction.\n"
+            "Note that the transaction's inputs are not signed, and\n"
+            "it is not stored in the wallet or transmitted to the network.\n"
+
+            "\nArguments:\n"
+            "1. \"transactions\"        (string, required) A json array of json objects\n"
+            "     [\n"
+            "       {\n"
+            "         \"txid\":\"id\",    (string, required) The transaction id\n"
+            "         \"vout\":n        (numeric, required) The output number\n"
+            "       }\n"
+            "       ,...\n"
+            "     ]\n"
+            "2. \"outputs\"             (string, required) a json object with outputs\n"
+            "    {\n"
+            "      \"address\": x.xxx   (numeric or string, required) The key is the bitcoin address, the numeric value (can be string) is the " + CURRENCY_UNIT + " amount\n"
+            "      \"data\": \"hex\",     (string, required) The key is \"data\", the value is hex encoded data\n"
+            "      ...\n"
+            "    }\n"
+            "3. locktime                (numeric, optional, default=0) Raw locktime. Non-0 value also locktime-activates inputs\n"
+            "\nResult:\n"
+            "\"transaction\"            (string) hex string of the transaction\n"
+
+            "\nExamples\n"
+            + HelpExampleCli("createrawtransaction", "\"[{\\\"txid\\\":\\\"myid\\\",\\\"vout\\\":0}]\" \"{\\\"address\\\":0.01}\"")
+            + HelpExampleCli("createrawtransaction", "\"[{\\\"txid\\\":\\\"myid\\\",\\\"vout\\\":0}]\" \"{\\\"data\\\":\\\"00010203\\\"}\"")
+            + HelpExampleRpc("createrawtransaction", "\"[{\\\"txid\\\":\\\"myid\\\",\\\"vout\\\":0}]\", \"{\\\"address\\\":0.01}\"")
+            + HelpExampleRpc("createrawtransaction", "\"[{\\\"txid\\\":\\\"myid\\\",\\\"vout\\\":0}]\", \"{\\\"data\\\":\\\"00010203\\\"}\"")
+        );
+
+    RPCTypeCheck(params, boost::assign::list_of(UniValue::VARR)(UniValue::VOBJ)(UniValue::VNUM), true);
+    if (params[0].isNull() || params[1].isNull())
+        throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid parameter, arguments 1 and 2 must be non-null");
+
+    UniValue inputs = params[0].get_array();
+    UniValue sendTo = params[1].get_obj();
+
+    CMutableTransaction rawTx;
+
+    if (params.size() > 2 && !params[2].isNull()) {
+        int64_t nLockTime = params[2].get_int64();
+        if (nLockTime < 0 || nLockTime > std::numeric_limits<uint32_t>::max())
+            throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid parameter, locktime out of range");
+        rawTx.nLockTime = nLockTime;
+    }
+
+    for (unsigned int idx = 0; idx < inputs.size(); idx++) {
+        const UniValue& input = inputs[idx];
+        const UniValue& o = input.get_obj();
+
+        uint256 txid = ParseHashO(o, "txid");
+
+        const UniValue& vout_v = find_value(o, "vout");
+        if (!vout_v.isNum())
+            throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid parameter, missing vout key");
+        int nOutput = vout_v.get_int();
+        if (nOutput < 0)
+            throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid parameter, vout must be positive");
+
+        uint32_t nSequence = (rawTx.nLockTime ? std::numeric_limits<uint32_t>::max() - 1 : std::numeric_limits<uint32_t>::max());
+        CTxIn in(COutPoint(txid, nOutput), CScript(), nSequence);
+
+        rawTx.vin.push_back(in);
+    }
+
+    set<CBitcoinAddress> setAddress;
+    vector<string> addrList = sendTo.getKeys();
+    BOOST_FOREACH(const string& name_, addrList) {
+
+        if (name_ == "data") {
+            std::vector<unsigned char> data = ParseHexV(sendTo[name_].getValStr(),"Data");
+
+            CTxOut out(0, CScript() << OP_RETURN << data);
+            rawTx.vout.push_back(out);
+        } else {
+            CBitcoinAddress address(name_);
+            if (!address.IsValid())
+                throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, string("Invalid Bitcoin address: ")+name_);
+
+            if (setAddress.count(address))
+                throw JSONRPCError(RPC_INVALID_PARAMETER, string("Invalid parameter, duplicated address: ")+name_);
+            setAddress.insert(address);
+
+            CScript scriptPubKey = GetScriptForDestination(address.Get());
+            CAmount nAmount = AmountFromValue(sendTo[name_]);
+
+            CTxOut out(nAmount, scriptPubKey);
+            rawTx.vout.push_back(out);
+        }
+    }
+
+    return EncodeHexTx(rawTx);
+}
+
+UniValue decoderawtransaction(const UniValue& params, bool fHelp)
+{
+    if (fHelp || params.size() != 1)
+        throw runtime_error(
+            "decoderawtransaction \"hexstring\"\n"
+            "\nReturn a JSON object representing the serialized, hex-encoded transaction.\n"
+
+            "\nArguments:\n"
+            "1. \"hex\"      (string, required) The transaction hex string\n"
+
+            "\nResult:\n"
+            "{\n"
+            "  \"txid\" : \"id\",        (string) The transaction id\n"
+            "  \"size\" : n,             (numeric) The transaction size\n"
+            "  \"version\" : n,          (numeric) The version\n"
+            "  \"locktime\" : ttt,       (numeric) The lock time\n"
+            "  \"vin\" : [               (array of json objects)\n"
+            "     {\n"
+            "       \"txid\": \"id\",    (string) The transaction id\n"
+            "       \"vout\": n,         (numeric) The output number\n"
+            "       \"scriptSig\": {     (json object) The script\n"
+            "         \"asm\": \"asm\",  (string) asm\n"
+            "         \"hex\": \"hex\"   (string) hex\n"
+            "       },\n"
+            "       \"sequence\": n     (numeric) The script sequence number\n"
+            "     }\n"
+            "     ,...\n"
+            "  ],\n"
+            "  \"vout\" : [             (array of json objects)\n"
+            "     {\n"
+            "       \"value\" : x.xxx,            (numeric) The value in " + CURRENCY_UNIT + "\n"
+            "       \"n\" : n,                    (numeric) index\n"
+            "       \"scriptPubKey\" : {          (json object)\n"
+            "         \"asm\" : \"asm\",          (string) the asm\n"
+            "         \"hex\" : \"hex\",          (string) the hex\n"
+            "         \"reqSigs\" : n,            (numeric) The required sigs\n"
+            "         \"type\" : \"pubkeyhash\",  (string) The type, eg 'pubkeyhash'\n"
+            "         \"addresses\" : [           (json array of string)\n"
+            "           \"12tvKAXCxZjSmdNbao16dKXC8tRWfcF5oc\"   (string) bitcoin address\n"
+            "           ,...\n"
+            "         ]\n"
+            "       }\n"
+            "     }\n"
+            "     ,...\n"
+            "  ],\n"
+            "}\n"
+
+            "\nExamples:\n"
+            + HelpExampleCli("decoderawtransaction", "\"hexstring\"")
+            + HelpExampleRpc("decoderawtransaction", "\"hexstring\"")
+        );
+
+    LOCK(cs_main);
+    RPCTypeCheck(params, boost::assign::list_of(UniValue::VSTR));
+
+    CTransaction tx;
+
+    if (!DecodeHexTx(tx, params[0].get_str()))
+        throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "TX decode failed");
+
+    UniValue result(UniValue::VOBJ);
+    TxToJSON(tx, uint256(), result);
+
+    return result;
+}
+
+UniValue decodescript(const UniValue& params, bool fHelp)
+{
+    if (fHelp || params.size() != 1)
+        throw runtime_error(
+            "decodescript \"hex\"\n"
+            "\nDecode a hex-encoded script.\n"
+            "\nArguments:\n"
+            "1. \"hex\"     (string) the hex encoded script\n"
+            "\nResult:\n"
+            "{\n"
+            "  \"asm\":\"asm\",   (string) Script public key\n"
+            "  \"hex\":\"hex\",   (string) hex encoded public key\n"
+            "  \"type\":\"type\", (string) The output type\n"
+            "  \"reqSigs\": n,    (numeric) The required signatures\n"
+            "  \"addresses\": [   (json array of string)\n"
+            "     \"address\"     (string) bitcoin address\n"
+            "     ,...\n"
+            "  ],\n"
+            "  \"p2sh\",\"address\" (string) script address\n"
+            "}\n"
+            "\nExamples:\n"
+            + HelpExampleCli("decodescript", "\"hexstring\"")
+            + HelpExampleRpc("decodescript", "\"hexstring\"")
+        );
+
+    RPCTypeCheck(params, boost::assign::list_of(UniValue::VSTR));
+
+    UniValue r(UniValue::VOBJ);
+    CScript script;
+    if (params[0].get_str().size() > 0){
+        vector<unsigned char> scriptData(ParseHexV(params[0], "argument"));
+        script = CScript(scriptData.begin(), scriptData.end());
+    } else {
+        // Empty scripts are valid
+    }
+    ScriptPubKeyToJSON(script, r, false);
+
+    r.push_back(Pair("p2sh", CBitcoinAddress(CScriptID(script)).ToString()));
+    return r;
+}
+
+/** Pushes a JSON object for script verification or signing errors to vErrorsRet. */
+static void TxInErrorToJSON(const CTxIn& txin, UniValue& vErrorsRet, const std::string& strMessage)
+{
+    UniValue entry(UniValue::VOBJ);
+    entry.push_back(Pair("txid", txin.prevout.hash.ToString()));
+    entry.push_back(Pair("vout", (uint64_t)txin.prevout.n));
+    entry.push_back(Pair("scriptSig", HexStr(txin.scriptSig.begin(), txin.scriptSig.end())));
+    entry.push_back(Pair("sequence", (uint64_t)txin.nSequence));
+    entry.push_back(Pair("error", strMessage));
+    vErrorsRet.push_back(entry);
+}
+
+UniValue signrawtransaction(const UniValue& params, bool fHelp)
+{
+    if (fHelp || params.size() < 1 || params.size() > 4)
+        throw runtime_error(
+            "signrawtransaction \"hexstring\" ( [{\"txid\":\"id\",\"vout\":n,\"scriptPubKey\":\"hex\",\"redeemScript\":\"hex\"},...] [\"privatekey1\",...] sighashtype )\n"
+            "\nSign inputs for raw transaction (serialized, hex-encoded).\n"
+            "The second optional argument (may be null) is an array of previous transaction outputs that\n"
+            "this transaction depends on but may not yet be in the block chain.\n"
+            "The third optional argument (may be null) is an array of base58-encoded private\n"
+            "keys that, if given, will be the only keys used to sign the transaction.\n"
+#ifdef ENABLE_WALLET
+            + HelpRequiringPassphrase() + "\n"
+#endif
+
+            "\nArguments:\n"
+            "1. \"hexstring\"     (string, required) The transaction hex string\n"
+            "2. \"prevtxs\"       (string, optional) An json array of previous dependent transaction outputs\n"
+            "     [               (json array of json objects, or 'null' if none provided)\n"
+            "       {\n"
+            "         \"txid\":\"id\",             (string, required) The transaction id\n"
+            "         \"vout\":n,                  (numeric, required) The output number\n"
+            "         \"scriptPubKey\": \"hex\",   (string, required) script key\n"
+            "         \"redeemScript\": \"hex\"    (string, required for P2SH) redeem script\n"
+            "       }\n"
+            "       ,...\n"
+            "    ]\n"
+            "3. \"privatekeys\"     (string, optional) A json array of base58-encoded private keys for signing\n"
+            "    [                  (json array of strings, or 'null' if none provided)\n"
+            "      \"privatekey\"   (string) private key in base58-encoding\n"
+            "      ,...\n"
+            "    ]\n"
+            "4. \"sighashtype\"     (string, optional, default=ALL) The signature hash type. Must be one of\n"
+            "       \"ALL\"\n"
+            "       \"NONE\"\n"
+            "       \"SINGLE\"\n"
+            "       \"ALL|ANYONECANPAY\"\n"
+            "       \"NONE|ANYONECANPAY\"\n"
+            "       \"SINGLE|ANYONECANPAY\"\n"
+
+            "\nResult:\n"
+            "{\n"
+            "  \"hex\" : \"value\",           (string) The hex-encoded raw transaction with signature(s)\n"
+            "  \"complete\" : true|false,   (boolean) If the transaction has a complete set of signatures\n"
+            "  \"errors\" : [                 (json array of objects) Script verification errors (if there are any)\n"
+            "    {\n"
+            "      \"txid\" : \"hash\",           (string) The hash of the referenced, previous transaction\n"
+            "      \"vout\" : n,                (numeric) The index of the output to spent and used as input\n"
+            "      \"scriptSig\" : \"hex\",       (string) The hex-encoded signature script\n"
+            "      \"sequence\" : n,            (numeric) Script sequence number\n"
+            "      \"error\" : \"text\"           (string) Verification or signing error related to the input\n"
+            "    }\n"
+            "    ,...\n"
+            "  ]\n"
+            "}\n"
+
+            "\nExamples:\n"
+            + HelpExampleCli("signrawtransaction", "\"myhex\"")
+            + HelpExampleRpc("signrawtransaction", "\"myhex\"")
+        );
+
+#ifdef ENABLE_WALLET
+    LOCK2(cs_main, pwalletMain ? &pwalletMain->cs_wallet : NULL);
+#else
+    LOCK(cs_main);
+#endif
+    RPCTypeCheck(params, boost::assign::list_of(UniValue::VSTR)(UniValue::VARR)(UniValue::VARR)(UniValue::VSTR), true);
+
+    vector<unsigned char> txData(ParseHexV(params[0], "argument 1"));
+    CDataStream ssData(txData, SER_NETWORK, PROTOCOL_VERSION);
+    vector<CMutableTransaction> txVariants;
+    while (!ssData.empty()) {
+        try {
+            CMutableTransaction tx;
+            ssData >> tx;
+            txVariants.push_back(tx);
+        }
+        catch (const std::exception&) {
+            throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "TX decode failed");
+        }
+    }
+
+    if (txVariants.empty())
+        throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "Missing transaction");
+
+    // mergedTx will end up with all the signatures; it
+    // starts as a clone of the rawtx:
+    CMutableTransaction mergedTx(txVariants[0]);
+
+    // Fetch previous transactions (inputs):
+    CCoinsView viewDummy;
+    CCoinsViewCache view(&viewDummy);
+    {
+        LOCK(mempool.cs);
+        CCoinsViewCache &viewChain = *pcoinsTip;
+        CCoinsViewMemPool viewMempool(&viewChain, mempool);
+        view.SetBackend(viewMempool); // temporarily switch cache backend to db+mempool view
+
+        BOOST_FOREACH(const CTxIn& txin, mergedTx.vin) {
+            const uint256& prevHash = txin.prevout.hash;
+            CCoins coins;
+            view.AccessCoins(prevHash); // this is certainly allowed to fail
+        }
+
+        view.SetBackend(viewDummy); // switch back to avoid locking mempool for too long
+    }
+
+    bool fGivenKeys = false;
+    CBasicKeyStore tempKeystore;
+    if (params.size() > 2 && !params[2].isNull()) {
+        fGivenKeys = true;
+        UniValue keys = params[2].get_array();
+        for (unsigned int idx = 0; idx < keys.size(); idx++) {
+            UniValue k = keys[idx];
+            CBitcoinSecret vchSecret;
+            bool fGood = vchSecret.SetString(k.get_str());
+            if (!fGood)
+                throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid private key");
+            CKey key = vchSecret.GetKey();
+            if (!key.IsValid())
+                throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Private key outside allowed range");
+            tempKeystore.AddKey(key);
+        }
+    }
+#ifdef ENABLE_WALLET
+    else if (pwalletMain)
+        EnsureWalletIsUnlocked();
+#endif
+
+    // Add previous txouts given in the RPC call:
+    if (params.size() > 1 && !params[1].isNull()) {
+        UniValue prevTxs = params[1].get_array();
+        for (unsigned int idx = 0; idx < prevTxs.size(); idx++) {
+            const UniValue& p = prevTxs[idx];
+            if (!p.isObject())
+                throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "expected object with {\"txid'\",\"vout\",\"scriptPubKey\"}");
+
+            UniValue prevOut = p.get_obj();
+
+            RPCTypeCheckObj(prevOut, boost::assign::map_list_of("txid", UniValue::VSTR)("vout", UniValue::VNUM)("scriptPubKey", 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; // we don't know the actual output value
+            }
+
+            // 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()) {
+                RPCTypeCheckObj(prevOut, boost::assign::map_list_of("txid", UniValue::VSTR)("vout", UniValue::VNUM)("scriptPubKey", UniValue::VSTR)("redeemScript",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()) {
+        static map<string, int> mapSigHashValues =
+            boost::assign::map_list_of
+            (string("ALL"), int(SIGHASH_ALL))
+            (string("ALL|ANYONECANPAY"), int(SIGHASH_ALL|SIGHASH_ANYONECANPAY))
+            (string("NONE"), int(SIGHASH_NONE))
+            (string("NONE|ANYONECANPAY"), int(SIGHASH_NONE|SIGHASH_ANYONECANPAY))
+            (string("SINGLE"), int(SIGHASH_SINGLE))
+            (string("SINGLE|ANYONECANPAY"), int(SIGHASH_SINGLE|SIGHASH_ANYONECANPAY))
+            ;
+        string strHashType = params[3].get_str();
+        if (mapSigHashValues.count(strHashType))
+            nHashType = mapSigHashValues[strHashType];
+        else
+            throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid sighash param");
+    }
+
+    bool fHashSingle = ((nHashType & ~SIGHASH_ANYONECANPAY) == SIGHASH_SINGLE);
+
+    // Script verification errors
+    UniValue vErrors(UniValue::VARR);
+
+    // 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 == NULL || !coins->IsAvailable(txin.prevout.n)) {
+            TxInErrorToJSON(txin, vErrors, "Input not found or already spent");
+            continue;
+        }
+        const CScript& prevPubKey = coins->vout[txin.prevout.n].scriptPubKey;
+
+        txin.scriptSig.clear();
+        // Only sign SIGHASH_SINGLE if there's a corresponding output:
+        if (!fHashSingle || (i < mergedTx.vout.size()))
+            SignSignature(keystore, prevPubKey, mergedTx, i, nHashType);
+
+        // ... and merge in other signatures:
+        BOOST_FOREACH(const CMutableTransaction& txv, txVariants) {
+            txin.scriptSig = CombineSignatures(prevPubKey, mergedTx, i, txin.scriptSig, txv.vin[i].scriptSig);
+        }
+        ScriptError serror = SCRIPT_ERR_OK;
+        if (!VerifyScript(txin.scriptSig, prevPubKey, STANDARD_SCRIPT_VERIFY_FLAGS, MutableTransactionSignatureChecker(&mergedTx, i), &serror)) {
+            TxInErrorToJSON(txin, vErrors, ScriptErrorString(serror));
+        }
+    }
+    bool fComplete = vErrors.empty();
+
+    UniValue result(UniValue::VOBJ);
+    result.push_back(Pair("hex", EncodeHexTx(mergedTx)));
+    result.push_back(Pair("complete", fComplete));
+    if (!vErrors.empty()) {
+        result.push_back(Pair("errors", vErrors));
+    }
+
+    return result;
+}
+
+UniValue sendrawtransaction(const UniValue& params, bool fHelp)
+{
+    if (fHelp || params.size() < 1 || params.size() > 2)
+        throw runtime_error(
+            "sendrawtransaction \"hexstring\" ( allowhighfees )\n"
+            "\nSubmits raw transaction (serialized, hex-encoded) to local node and network.\n"
+            "\nAlso see createrawtransaction and signrawtransaction calls.\n"
+            "\nArguments:\n"
+            "1. \"hexstring\"    (string, required) The hex string of the raw transaction)\n"
+            "2. allowhighfees    (boolean, optional, default=false) Allow high fees\n"
+            "\nResult:\n"
+            "\"hex\"             (string) The transaction hash in hex\n"
+            "\nExamples:\n"
+            "\nCreate a transaction\n"
+            + HelpExampleCli("createrawtransaction", "\"[{\\\"txid\\\" : \\\"mytxid\\\",\\\"vout\\\":0}]\" \"{\\\"myaddress\\\":0.01}\"") +
+            "Sign the transaction, and get back the hex\n"
+            + HelpExampleCli("signrawtransaction", "\"myhex\"") +
+            "\nSend the transaction (signed hex)\n"
+            + HelpExampleCli("sendrawtransaction", "\"signedhex\"") +
+            "\nAs a json rpc call\n"
+            + HelpExampleRpc("sendrawtransaction", "\"signedhex\"")
+        );
+
+    LOCK(cs_main);
+    RPCTypeCheck(params, boost::assign::list_of(UniValue::VSTR)(UniValue::VBOOL));
+
+    // parse hex string from parameter
+    CTransaction tx;
+    if (!DecodeHexTx(tx, params[0].get_str()))
+        throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "TX decode failed");
+    uint256 hashTx = tx.GetHash();
+
+    bool fOverrideFees = false;
+    if (params.size() > 1)
+        fOverrideFees = params[1].get_bool();
+
+    CCoinsViewCache &view = *pcoinsTip;
+    const CCoins* existingCoins = view.AccessCoins(hashTx);
+    bool fHaveMempool = mempool.exists(hashTx);
+    bool fHaveChain = existingCoins && existingCoins->nHeight < 1000000000;
+    if (!fHaveMempool && !fHaveChain) {
+        // push to local node and sync with wallets
+        CValidationState state;
+        bool fMissingInputs;
+        if (!AcceptToMemoryPool(mempool, state, tx, false, &fMissingInputs, false, !fOverrideFees)) {
+            if (state.IsInvalid()) {
+                throw JSONRPCError(RPC_TRANSACTION_REJECTED, strprintf("%i: %s", state.GetRejectCode(), state.GetRejectReason()));
+            } else {
+                if (fMissingInputs) {
+                    throw JSONRPCError(RPC_TRANSACTION_ERROR, "Missing inputs");
+                }
+                throw JSONRPCError(RPC_TRANSACTION_ERROR, state.GetRejectReason());
+            }
+        }
+    } else if (fHaveChain) {
+        throw JSONRPCError(RPC_TRANSACTION_ALREADY_IN_CHAIN, "transaction already in block chain");
+    }
+    RelayTransaction(tx);
+
+    return hashTx.GetHex();
+}