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565 lines
20 KiB
565 lines
20 KiB
// Copyright (c) 2010 Satoshi Nakamoto
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// Copyright (c) 2009-2012 The Bitcoin developers
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// Distributed under the MIT/X11 software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#include <boost/assign/list_of.hpp>
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#include "base58.h"
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#include "bitcoinrpc.h"
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#include "db.h"
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#include "init.h"
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#include "main.h"
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#include "net.h"
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#include "wallet.h"
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using namespace std;
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using namespace boost;
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using namespace boost::assign;
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using namespace json_spirit;
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//
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// Utilities: convert hex-encoded Values
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// (throws error if not hex).
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//
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uint256 ParseHashV(const Value& v, string strName)
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{
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string strHex;
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if (v.type() == str_type)
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strHex = v.get_str();
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if (!IsHex(strHex)) // Note: IsHex("") is false
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throw JSONRPCError(RPC_INVALID_PARAMETER, strName+" must be hexadecimal string (not '"+strHex+"')");
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uint256 result;
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result.SetHex(strHex);
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return result;
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}
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uint256 ParseHashO(const Object& o, string strKey)
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{
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return ParseHashV(find_value(o, strKey), strKey);
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}
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vector<unsigned char> ParseHexV(const Value& v, string strName)
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{
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string strHex;
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if (v.type() == str_type)
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strHex = v.get_str();
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if (!IsHex(strHex))
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throw JSONRPCError(RPC_INVALID_PARAMETER, strName+" must be hexadecimal string (not '"+strHex+"')");
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return ParseHex(strHex);
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}
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vector<unsigned char> ParseHexO(const Object& o, string strKey)
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{
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return ParseHexV(find_value(o, strKey), strKey);
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}
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void ScriptPubKeyToJSON(const CScript& scriptPubKey, Object& out)
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{
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txnouttype type;
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vector<CTxDestination> addresses;
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int nRequired;
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out.push_back(Pair("asm", scriptPubKey.ToString()));
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out.push_back(Pair("hex", HexStr(scriptPubKey.begin(), scriptPubKey.end())));
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if (!ExtractDestinations(scriptPubKey, type, addresses, nRequired))
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{
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out.push_back(Pair("type", GetTxnOutputType(TX_NONSTANDARD)));
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return;
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}
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out.push_back(Pair("reqSigs", nRequired));
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out.push_back(Pair("type", GetTxnOutputType(type)));
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Array a;
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BOOST_FOREACH(const CTxDestination& addr, addresses)
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a.push_back(CBitcoinAddress(addr).ToString());
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out.push_back(Pair("addresses", a));
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}
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void TxToJSON(const CTransaction& tx, const uint256 hashBlock, Object& entry)
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{
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entry.push_back(Pair("txid", tx.GetHash().GetHex()));
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entry.push_back(Pair("version", tx.nVersion));
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entry.push_back(Pair("locktime", (boost::int64_t)tx.nLockTime));
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Array vin;
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BOOST_FOREACH(const CTxIn& txin, tx.vin)
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{
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Object in;
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if (tx.IsCoinBase())
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in.push_back(Pair("coinbase", HexStr(txin.scriptSig.begin(), txin.scriptSig.end())));
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else
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{
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in.push_back(Pair("txid", txin.prevout.hash.GetHex()));
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in.push_back(Pair("vout", (boost::int64_t)txin.prevout.n));
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Object o;
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o.push_back(Pair("asm", txin.scriptSig.ToString()));
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o.push_back(Pair("hex", HexStr(txin.scriptSig.begin(), txin.scriptSig.end())));
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in.push_back(Pair("scriptSig", o));
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}
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in.push_back(Pair("sequence", (boost::int64_t)txin.nSequence));
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vin.push_back(in);
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}
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entry.push_back(Pair("vin", vin));
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Array vout;
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for (unsigned int i = 0; i < tx.vout.size(); i++)
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{
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const CTxOut& txout = tx.vout[i];
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Object out;
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out.push_back(Pair("value", ValueFromAmount(txout.nValue)));
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out.push_back(Pair("n", (boost::int64_t)i));
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Object o;
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ScriptPubKeyToJSON(txout.scriptPubKey, o);
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out.push_back(Pair("scriptPubKey", o));
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vout.push_back(out);
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}
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entry.push_back(Pair("vout", vout));
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if (hashBlock != 0)
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{
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entry.push_back(Pair("blockhash", hashBlock.GetHex()));
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map<uint256, CBlockIndex*>::iterator mi = mapBlockIndex.find(hashBlock);
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if (mi != mapBlockIndex.end() && (*mi).second)
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{
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CBlockIndex* pindex = (*mi).second;
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if (pindex->IsInMainChain())
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{
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entry.push_back(Pair("confirmations", 1 + nBestHeight - pindex->nHeight));
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entry.push_back(Pair("time", (boost::int64_t)pindex->nTime));
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entry.push_back(Pair("blocktime", (boost::int64_t)pindex->nTime));
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}
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else
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entry.push_back(Pair("confirmations", 0));
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}
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}
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}
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Value getrawtransaction(const Array& params, bool fHelp)
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{
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if (fHelp || params.size() < 1 || params.size() > 2)
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throw runtime_error(
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"getrawtransaction <txid> [verbose=0]\n"
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"If verbose=0, returns a string that is\n"
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"serialized, hex-encoded data for <txid>.\n"
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"If verbose is non-zero, returns an Object\n"
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"with information about <txid>.");
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uint256 hash = ParseHashV(params[0], "parameter 1");
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bool fVerbose = false;
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if (params.size() > 1)
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fVerbose = (params[1].get_int() != 0);
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CTransaction tx;
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uint256 hashBlock = 0;
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if (!GetTransaction(hash, tx, hashBlock, true))
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throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "No information available about transaction");
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CDataStream ssTx(SER_NETWORK, PROTOCOL_VERSION);
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ssTx << tx;
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string strHex = HexStr(ssTx.begin(), ssTx.end());
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if (!fVerbose)
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return strHex;
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Object result;
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result.push_back(Pair("hex", strHex));
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TxToJSON(tx, hashBlock, result);
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return result;
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}
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Value listunspent(const Array& params, bool fHelp)
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{
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if (fHelp || params.size() > 3)
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throw runtime_error(
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"listunspent [minconf=1] [maxconf=9999999] [\"address\",...]\n"
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"Returns array of unspent transaction outputs\n"
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"with between minconf and maxconf (inclusive) confirmations.\n"
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"Optionally filtered to only include txouts paid to specified addresses.\n"
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"Results are an array of Objects, each of which has:\n"
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"{txid, vout, scriptPubKey, amount, confirmations}");
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RPCTypeCheck(params, list_of(int_type)(int_type)(array_type));
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int nMinDepth = 1;
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if (params.size() > 0)
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nMinDepth = params[0].get_int();
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int nMaxDepth = 9999999;
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if (params.size() > 1)
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nMaxDepth = params[1].get_int();
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set<CBitcoinAddress> setAddress;
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if (params.size() > 2)
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{
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Array inputs = params[2].get_array();
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BOOST_FOREACH(Value& input, inputs)
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{
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CBitcoinAddress address(input.get_str());
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if (!address.IsValid())
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throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, string("Invalid Bitcoin address: ")+input.get_str());
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if (setAddress.count(address))
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throw JSONRPCError(RPC_INVALID_PARAMETER, string("Invalid parameter, duplicated address: ")+input.get_str());
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setAddress.insert(address);
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}
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}
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Array results;
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vector<COutput> vecOutputs;
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pwalletMain->AvailableCoins(vecOutputs, false);
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BOOST_FOREACH(const COutput& out, vecOutputs)
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{
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if (out.nDepth < nMinDepth || out.nDepth > nMaxDepth)
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continue;
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if (setAddress.size())
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{
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CTxDestination address;
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if (!ExtractDestination(out.tx->vout[out.i].scriptPubKey, address))
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continue;
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if (!setAddress.count(address))
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continue;
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}
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int64 nValue = out.tx->vout[out.i].nValue;
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const CScript& pk = out.tx->vout[out.i].scriptPubKey;
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Object entry;
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entry.push_back(Pair("txid", out.tx->GetHash().GetHex()));
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entry.push_back(Pair("vout", out.i));
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entry.push_back(Pair("scriptPubKey", HexStr(pk.begin(), pk.end())));
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if (pk.IsPayToScriptHash())
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{
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CTxDestination address;
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if (ExtractDestination(pk, address))
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{
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const CScriptID& hash = boost::get<const CScriptID&>(address);
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CScript redeemScript;
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if (pwalletMain->GetCScript(hash, redeemScript))
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entry.push_back(Pair("redeemScript", HexStr(redeemScript.begin(), redeemScript.end())));
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}
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}
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entry.push_back(Pair("amount",ValueFromAmount(nValue)));
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entry.push_back(Pair("confirmations",out.nDepth));
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results.push_back(entry);
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}
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return results;
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}
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Value createrawtransaction(const Array& params, bool fHelp)
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{
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if (fHelp || params.size() != 2)
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throw runtime_error(
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"createrawtransaction [{\"txid\":txid,\"vout\":n},...] {address:amount,...}\n"
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"Create a transaction spending given inputs\n"
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"(array of objects containing transaction id and output number),\n"
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"sending to given address(es).\n"
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"Returns hex-encoded raw transaction.\n"
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"Note that the transaction's inputs are not signed, and\n"
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"it is not stored in the wallet or transmitted to the network.");
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RPCTypeCheck(params, list_of(array_type)(obj_type));
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Array inputs = params[0].get_array();
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Object sendTo = params[1].get_obj();
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CTransaction rawTx;
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BOOST_FOREACH(const Value& input, inputs)
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{
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const Object& o = input.get_obj();
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uint256 txid = ParseHashO(o, "txid");
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const Value& vout_v = find_value(o, "vout");
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if (vout_v.type() != int_type)
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throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid parameter, missing vout key");
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int nOutput = vout_v.get_int();
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if (nOutput < 0)
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throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid parameter, vout must be positive");
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CTxIn in(COutPoint(txid, nOutput));
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rawTx.vin.push_back(in);
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}
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set<CBitcoinAddress> setAddress;
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BOOST_FOREACH(const Pair& s, sendTo)
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{
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CBitcoinAddress address(s.name_);
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if (!address.IsValid())
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throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, string("Invalid Bitcoin address: ")+s.name_);
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if (setAddress.count(address))
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throw JSONRPCError(RPC_INVALID_PARAMETER, string("Invalid parameter, duplicated address: ")+s.name_);
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setAddress.insert(address);
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CScript scriptPubKey;
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scriptPubKey.SetDestination(address.Get());
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int64 nAmount = AmountFromValue(s.value_);
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CTxOut out(nAmount, scriptPubKey);
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rawTx.vout.push_back(out);
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}
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CDataStream ss(SER_NETWORK, PROTOCOL_VERSION);
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ss << rawTx;
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return HexStr(ss.begin(), ss.end());
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}
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Value decoderawtransaction(const Array& params, bool fHelp)
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{
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if (fHelp || params.size() != 1)
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throw runtime_error(
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"decoderawtransaction <hex string>\n"
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"Return a JSON object representing the serialized, hex-encoded transaction.");
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vector<unsigned char> txData(ParseHexV(params[0], "argument"));
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CDataStream ssData(txData, SER_NETWORK, PROTOCOL_VERSION);
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CTransaction tx;
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try {
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ssData >> tx;
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}
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catch (std::exception &e) {
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throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "TX decode failed");
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}
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Object result;
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TxToJSON(tx, 0, result);
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return result;
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}
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Value signrawtransaction(const Array& params, bool fHelp)
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{
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if (fHelp || params.size() < 1 || params.size() > 4)
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throw runtime_error(
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"signrawtransaction <hex string> [{\"txid\":txid,\"vout\":n,\"scriptPubKey\":hex,\"redeemScript\":hex},...] [<privatekey1>,...] [sighashtype=\"ALL\"]\n"
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"Sign inputs for raw transaction (serialized, hex-encoded).\n"
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"Second optional argument (may be null) is an array of previous transaction outputs that\n"
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"this transaction depends on but may not yet be in the block chain.\n"
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"Third optional argument (may be null) is an array of base58-encoded private\n"
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"keys that, if given, will be the only keys used to sign the transaction.\n"
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"Fourth optional argument is a string that is one of six values; ALL, NONE, SINGLE or\n"
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"ALL|ANYONECANPAY, NONE|ANYONECANPAY, SINGLE|ANYONECANPAY.\n"
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"Returns json object with keys:\n"
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" hex : raw transaction with signature(s) (hex-encoded string)\n"
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" complete : 1 if transaction has a complete set of signature (0 if not)"
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+ HelpRequiringPassphrase());
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RPCTypeCheck(params, list_of(str_type)(array_type)(array_type)(str_type), true);
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vector<unsigned char> txData(ParseHexV(params[0], "argument 1"));
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CDataStream ssData(txData, SER_NETWORK, PROTOCOL_VERSION);
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vector<CTransaction> txVariants;
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while (!ssData.empty())
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{
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try {
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CTransaction tx;
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ssData >> tx;
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txVariants.push_back(tx);
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}
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catch (std::exception &e) {
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throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "TX decode failed");
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}
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}
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if (txVariants.empty())
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throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "Missing transaction");
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// mergedTx will end up with all the signatures; it
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// starts as a clone of the rawtx:
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CTransaction mergedTx(txVariants[0]);
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bool fComplete = true;
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// Fetch previous transactions (inputs):
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CCoinsView viewDummy;
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CCoinsViewCache view(viewDummy);
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{
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LOCK(mempool.cs);
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CCoinsViewCache &viewChain = *pcoinsTip;
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CCoinsViewMemPool viewMempool(viewChain, mempool);
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view.SetBackend(viewMempool); // temporarily switch cache backend to db+mempool view
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BOOST_FOREACH(const CTxIn& txin, mergedTx.vin) {
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const uint256& prevHash = txin.prevout.hash;
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CCoins coins;
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view.GetCoins(prevHash, coins); // this is certainly allowed to fail
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}
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view.SetBackend(viewDummy); // switch back to avoid locking mempool for too long
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}
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bool fGivenKeys = false;
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CBasicKeyStore tempKeystore;
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if (params.size() > 2 && params[2].type() != null_type)
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{
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fGivenKeys = true;
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Array keys = params[2].get_array();
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BOOST_FOREACH(Value k, keys)
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{
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CBitcoinSecret vchSecret;
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bool fGood = vchSecret.SetString(k.get_str());
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if (!fGood)
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throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid private key");
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CKey key;
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bool fCompressed;
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CSecret secret = vchSecret.GetSecret(fCompressed);
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key.SetSecret(secret, fCompressed);
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tempKeystore.AddKey(key);
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}
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}
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else
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EnsureWalletIsUnlocked();
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// Add previous txouts given in the RPC call:
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if (params.size() > 1 && params[1].type() != null_type)
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{
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Array prevTxs = params[1].get_array();
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BOOST_FOREACH(Value& p, prevTxs)
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{
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if (p.type() != obj_type)
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throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "expected object with {\"txid'\",\"vout\",\"scriptPubKey\"}");
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Object prevOut = p.get_obj();
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RPCTypeCheck(prevOut, map_list_of("txid", str_type)("vout", int_type)("scriptPubKey", str_type)("redeemScript",str_type));
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uint256 txid = ParseHashO(prevOut, "txid");
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int nOut = find_value(prevOut, "vout").get_int();
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if (nOut < 0)
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throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "vout must be positive");
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vector<unsigned char> pkData(ParseHexO(prevOut, "scriptPubKey"));
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CScript scriptPubKey(pkData.begin(), pkData.end());
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CCoins coins;
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if (view.GetCoins(txid, coins)) {
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if (coins.IsAvailable(nOut) && coins.vout[nOut].scriptPubKey != scriptPubKey) {
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string err("Previous output scriptPubKey mismatch:\n");
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err = err + coins.vout[nOut].scriptPubKey.ToString() + "\nvs:\n"+
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scriptPubKey.ToString();
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throw JSONRPCError(RPC_DESERIALIZATION_ERROR, err);
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}
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// what todo if txid is known, but the actual output isn't?
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}
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if ((unsigned int)nOut >= coins.vout.size())
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coins.vout.resize(nOut+1);
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coins.vout[nOut].scriptPubKey = scriptPubKey;
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coins.vout[nOut].nValue = 0; // we don't know the actual output value
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view.SetCoins(txid, coins);
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// if redeemScript given and not using the local wallet (private keys
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// given), add redeemScript to the tempKeystore so it can be signed:
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Value v = find_value(prevOut, "redeemScript");
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if (fGivenKeys && scriptPubKey.IsPayToScriptHash() && !(v == Value::null))
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{
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vector<unsigned char> rsData(ParseHexV(v, "redeemScript"));
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CScript redeemScript(rsData.begin(), rsData.end());
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tempKeystore.AddCScript(redeemScript);
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}
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}
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}
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const CKeyStore& keystore = (fGivenKeys ? tempKeystore : *pwalletMain);
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int nHashType = SIGHASH_ALL;
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if (params.size() > 3 && params[3].type() != null_type)
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{
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static map<string, int> mapSigHashValues =
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boost::assign::map_list_of
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(string("ALL"), int(SIGHASH_ALL))
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(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);
|
|
|
|
// Sign what we can:
|
|
for (unsigned int i = 0; i < mergedTx.vin.size(); i++)
|
|
{
|
|
CTxIn& txin = mergedTx.vin[i];
|
|
CCoins coins;
|
|
if (!view.GetCoins(txin.prevout.hash, coins) || !coins.IsAvailable(txin.prevout.n))
|
|
{
|
|
fComplete = false;
|
|
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 CTransaction& txv, txVariants)
|
|
{
|
|
txin.scriptSig = CombineSignatures(prevPubKey, mergedTx, i, txin.scriptSig, txv.vin[i].scriptSig);
|
|
}
|
|
if (!VerifyScript(txin.scriptSig, prevPubKey, mergedTx, i, true, true, 0))
|
|
fComplete = false;
|
|
}
|
|
|
|
Object result;
|
|
CDataStream ssTx(SER_NETWORK, PROTOCOL_VERSION);
|
|
ssTx << mergedTx;
|
|
result.push_back(Pair("hex", HexStr(ssTx.begin(), ssTx.end())));
|
|
result.push_back(Pair("complete", fComplete));
|
|
|
|
return result;
|
|
}
|
|
|
|
Value sendrawtransaction(const Array& params, bool fHelp)
|
|
{
|
|
if (fHelp || params.size() < 1 || params.size() > 1)
|
|
throw runtime_error(
|
|
"sendrawtransaction <hex string>\n"
|
|
"Submits raw transaction (serialized, hex-encoded) to local node and network.");
|
|
|
|
// parse hex string from parameter
|
|
vector<unsigned char> txData(ParseHexV(params[0], "parameter"));
|
|
CDataStream ssData(txData, SER_NETWORK, PROTOCOL_VERSION);
|
|
CTransaction tx;
|
|
|
|
// deserialize binary data stream
|
|
try {
|
|
ssData >> tx;
|
|
}
|
|
catch (std::exception &e) {
|
|
throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "TX decode failed");
|
|
}
|
|
uint256 hashTx = tx.GetHash();
|
|
|
|
bool fHave = false;
|
|
CCoinsViewCache &view = *pcoinsTip;
|
|
CCoins existingCoins;
|
|
{
|
|
fHave = view.GetCoins(hashTx, existingCoins);
|
|
if (!fHave) {
|
|
// push to local node
|
|
if (!tx.AcceptToMemoryPool())
|
|
throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "TX rejected");
|
|
}
|
|
}
|
|
if (fHave) {
|
|
if (existingCoins.nHeight < 1000000000)
|
|
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "transaction already in block chain");
|
|
// Not in block, but already in the memory pool; will drop
|
|
// through to re-relay it.
|
|
} else {
|
|
SyncWithWallets(hashTx, tx, NULL, true);
|
|
}
|
|
RelayMessage(CInv(MSG_TX, hashTx), tx);
|
|
|
|
return hashTx.GetHex();
|
|
}
|