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Diffstat (limited to 'src/rpc/rawtransaction.cpp')
| -rw-r--r-- | src/rpc/rawtransaction.cpp | 950 |
1 files changed, 950 insertions, 0 deletions
diff --git a/src/rpc/rawtransaction.cpp b/src/rpc/rawtransaction.cpp new file mode 100644 index 000000000..0c3817729 --- /dev/null +++ b/src/rpc/rawtransaction.cpp @@ -0,0 +1,950 @@ +// Copyright (c) 2010 Satoshi Nakamoto +// Copyright (c) 2009-2016 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 "validation.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("hash", tx.GetWitnessHash().GetHex())); + entry.push_back(Pair("size", (int)::GetSerializeSize(tx, SER_NETWORK, PROTOCOL_VERSION))); + entry.push_back(Pair("vsize", (int)::GetVirtualTransactionSize(tx))); + entry.push_back(Pair("version", tx.nVersion)); + entry.push_back(Pair("locktime", (int64_t)tx.nLockTime)); + + UniValue vin(UniValue::VARR); + for (unsigned int i = 0; i < tx.vin.size(); i++) { + const CTxIn& txin = tx.vin[i]; + 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)); + } + if (tx.HasWitness()) { + UniValue txinwitness(UniValue::VARR); + for (unsigned int j = 0; j < tx.vin[i].scriptWitness.stack.size(); j++) { + std::vector<unsigned char> item = tx.vin[i].scriptWitness.stack[j]; + txinwitness.push_back(HexStr(item.begin(), item.end())); + } + in.push_back(Pair("txinwitness", txinwitness)); + } + 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 JSONRPCRequest& request) +{ + if (request.fHelp || request.params.size() < 1 || request.params.size() > 2) + throw runtime_error( + "getrawtransaction \"txid\" ( verbose )\n" + + "\nNOTE: By default this function only works for mempool transactions. If the -txindex option is\n" + "enabled, it also works for blockchain transactions.\n" + "DEPRECATED: for now, it also works for transactions with unspent outputs.\n" + + "\nReturn the raw transaction data.\n" + "\nIf verbose is 'true', returns an Object with information about 'txid'.\n" + "If verbose is 'false' or omitted, returns a string that is serialized, hex-encoded data for 'txid'.\n" + + "\nArguments:\n" + "1. \"txid\" (string, required) The transaction id\n" + "2. verbose (bool, optional, default=false) If false, return a string, otherwise return a json object\n" + + "\nResult (if verbose is not set or set to false):\n" + "\"data\" (string) The serialized, hex-encoded data for 'txid'\n" + + "\nResult (if verbose is set to true):\n" + "{\n" + " \"hex\" : \"data\", (string) The serialized, hex-encoded data for 'txid'\n" + " \"txid\" : \"id\", (string) The transaction id (same as provided)\n" + " \"hash\" : \"id\", (string) The transaction hash (differs from txid for witness transactions)\n" + " \"size\" : n, (numeric) The serialized transaction size\n" + " \"vsize\" : n, (numeric) The virtual transaction size (differs from size for witness transactions)\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" + " \"txinwitness\": [\"hex\", ...] (array of string) hex-encoded witness data (if any)\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" + " \"address\" (string) dogecoin 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\" true") + + HelpExampleRpc("getrawtransaction", "\"mytxid\", true") + ); + + LOCK(cs_main); + + uint256 hash = ParseHashV(request.params[0], "parameter 1"); + + // Accept either a bool (true) or a num (>=1) to indicate verbose output. + bool fVerbose = false; + if (request.params.size() > 1) { + if (request.params[1].isNum()) { + if (request.params[1].get_int() != 0) { + fVerbose = true; + } + } + else if(request.params[1].isBool()) { + if(request.params[1].isTrue()) { + fVerbose = true; + } + } + else { + throw JSONRPCError(RPC_TYPE_ERROR, "Invalid type provided. Verbose parameter must be a boolean."); + } + } + + CTransactionRef tx; + uint256 hashBlock; + // Dogecoin: Is this the best value for consensus height? + if (!GetTransaction(hash, tx, Params().GetConsensus(0), hashBlock, true)) + throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, std::string(fTxIndex ? "No such mempool or blockchain transaction" + : "No such mempool transaction. Use -txindex to enable blockchain transaction queries") + + ". Use gettransaction for wallet transactions."); + + string strHex = EncodeHexTx(*tx, RPCSerializationFlags()); + + if (!fVerbose) + return strHex; + + UniValue result(UniValue::VOBJ); + result.push_back(Pair("hex", strHex)); + TxToJSON(*tx, hashBlock, result); + return result; +} + +UniValue gettxoutproof(const JSONRPCRequest& request) +{ + if (request.fHelp || (request.params.size() != 1 && request.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 manually (by blockhash).\n" + "\nArguments:\n" + "1. \"txids\" (string) A json array of txids to filter\n" + " [\n" + " \"txid\" (string) A transaction hash\n" + " ,...\n" + " ]\n" + "2. \"blockhash\" (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 = request.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 (request.params.size() > 1) + { + hashBlock = uint256S(request.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) + { + CTransactionRef tx; + if (!GetTransaction(oneTxid, tx, Params().GetConsensus(0), 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(pblockindex->nHeight))) + throw JSONRPCError(RPC_INTERNAL_ERROR, "Can't read block from disk"); + + unsigned int ntxFound = 0; + for (const auto& 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 | SERIALIZE_TRANSACTION_NO_WITNESS); + CMerkleBlock mb(block, setTxids); + ssMB << mb; + std::string strHex = HexStr(ssMB.begin(), ssMB.end()); + return strHex; +} + +UniValue verifytxoutproof(const JSONRPCRequest& request) +{ + if (request.fHelp || request.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(request.params[0], "proof"), SER_NETWORK, PROTOCOL_VERSION | SERIALIZE_TRANSACTION_NO_WITNESS); + CMerkleBlock merkleBlock; + ssMB >> merkleBlock; + + UniValue res(UniValue::VARR); + + vector<uint256> vMatch; + vector<unsigned int> vIndex; + if (merkleBlock.txn.ExtractMatches(vMatch, vIndex) != 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 JSONRPCRequest& request) +{ + if (request.fHelp || request.params.size() < 2 || request.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. \"inputs\" (array, 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" + " \"sequence\":n (numeric, optional) The sequence number\n" + " } \n" + " ,...\n" + " ]\n" + "2. \"outputs\" (object, required) a json object with outputs\n" + " {\n" + " \"address\": x.xxx, (numeric or string, required) The key is the dogecoin 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(request.params, boost::assign::list_of(UniValue::VARR)(UniValue::VOBJ)(UniValue::VNUM), true); + if (request.params[0].isNull() || request.params[1].isNull()) + throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid parameter, arguments 1 and 2 must be non-null"); + + UniValue inputs = request.params[0].get_array(); + UniValue sendTo = request.params[1].get_obj(); + + CMutableTransaction rawTx; + + if (request.params.size() > 2 && !request.params[2].isNull()) { + int64_t nLockTime = request.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()); + + // set the sequence number if passed in the parameters object + const UniValue& sequenceObj = find_value(o, "sequence"); + if (sequenceObj.isNum()) { + int64_t seqNr64 = sequenceObj.get_int64(); + if (seqNr64 < 0 || seqNr64 > std::numeric_limits<uint32_t>::max()) + throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid parameter, sequence number is out of range"); + else + nSequence = (uint32_t)seqNr64; + } + + 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 Dogecoin 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 JSONRPCRequest& request) +{ + if (request.fHelp || request.params.size() != 1) + throw runtime_error( + "decoderawtransaction \"hexstring\"\n" + "\nReturn a JSON object representing the serialized, hex-encoded transaction.\n" + + "\nArguments:\n" + "1. \"hexstring\" (string, required) The transaction hex string\n" + + "\nResult:\n" + "{\n" + " \"txid\" : \"id\", (string) The transaction id\n" + " \"hash\" : \"id\", (string) The transaction hash (differs from txid for witness transactions)\n" + " \"size\" : n, (numeric) The transaction size\n" + " \"vsize\" : n, (numeric) The virtual transaction size (differs from size for witness transactions)\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" + " \"txinwitness\": [\"hex\", ...] (array of string) hex-encoded witness data (if any)\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" + " \"D731rRTrFydjJdZCKNzfB5go229p59GUGD\" (string) dogecoin address\n" + " ,...\n" + " ]\n" + " }\n" + " }\n" + " ,...\n" + " ],\n" + "}\n" + + "\nExamples:\n" + + HelpExampleCli("decoderawtransaction", "\"hexstring\"") + + HelpExampleRpc("decoderawtransaction", "\"hexstring\"") + ); + + LOCK(cs_main); + RPCTypeCheck(request.params, boost::assign::list_of(UniValue::VSTR)); + + CMutableTransaction mtx; + + if (!DecodeHexTx(mtx, request.params[0].get_str(), true)) + throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "TX decode failed"); + + UniValue result(UniValue::VOBJ); + TxToJSON(CTransaction(std::move(mtx)), uint256(), result); + + return result; +} + +UniValue decodescript(const JSONRPCRequest& request) +{ + if (request.fHelp || request.params.size() != 1) + throw runtime_error( + "decodescript \"hexstring\"\n" + "\nDecode a hex-encoded script.\n" + "\nArguments:\n" + "1. \"hexstring\" (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) dogecoin address\n" + " ,...\n" + " ],\n" + " \"p2sh\",\"address\" (string) address of P2SH script wrapping this redeem script (not returned if the script is already a P2SH).\n" + "}\n" + "\nExamples:\n" + + HelpExampleCli("decodescript", "\"hexstring\"") + + HelpExampleRpc("decodescript", "\"hexstring\"") + ); + + RPCTypeCheck(request.params, boost::assign::list_of(UniValue::VSTR)); + + UniValue r(UniValue::VOBJ); + CScript script; + if (request.params[0].get_str().size() > 0){ + vector<unsigned char> scriptData(ParseHexV(request.params[0], "argument")); + script = CScript(scriptData.begin(), scriptData.end()); + } else { + // Empty scripts are valid + } + ScriptPubKeyToJSON(script, r, false); + + UniValue type; + type = find_value(r, "type"); + + if (type.isStr() && type.get_str() != "scripthash") { + // P2SH cannot be wrapped in a P2SH. If this script is already a P2SH, + // don't return the address for a P2SH of the P2SH. + 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 JSONRPCRequest& request) +{ + if (request.fHelp || request.params.size() < 1 || request.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 or P2WSH) redeem script\n" + " \"amount\": value (numeric, required) The amount spent\n" + " }\n" + " ,...\n" + " ]\n" + "3. \"privkeys\" (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(request.params, boost::assign::list_of(UniValue::VSTR)(UniValue::VARR)(UniValue::VARR)(UniValue::VSTR), true); + + vector<unsigned char> txData(ParseHexV(request.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 (request.params.size() > 2 && !request.params[2].isNull()) { + fGivenKeys = true; + UniValue keys = request.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 (request.params.size() > 1 && !request.params[1].isNull()) { + UniValue prevTxs = request.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, + { + {"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 (request.params.size() > 3 && !request.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 = request.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); + + // Use CTransaction for the constant parts of the + // transaction to avoid rehashing. + const CTransaction txConst(mergedTx); + // 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; + const CAmount& amount = coins->vout[txin.prevout.n].nValue; + + SignatureData sigdata; + // Only sign SIGHASH_SINGLE if there's a corresponding output: + if (!fHashSingle || (i < mergedTx.vout.size())) + ProduceSignature(MutableTransactionSignatureCreator(&keystore, &mergedTx, i, amount, nHashType), prevPubKey, sigdata); + + // ... and merge in other signatures: + BOOST_FOREACH(const CMutableTransaction& txv, txVariants) { + if (txv.vin.size() > i) { + sigdata = CombineSignatures(prevPubKey, TransactionSignatureChecker(&txConst, i, amount), sigdata, DataFromTransaction(txv, i)); + } + } + + UpdateTransaction(mergedTx, i, sigdata); + + ScriptError serror = SCRIPT_ERR_OK; + if (!VerifyScript(txin.scriptSig, prevPubKey, &txin.scriptWitness, STANDARD_SCRIPT_VERIFY_FLAGS, TransactionSignatureChecker(&txConst, i, amount), &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 JSONRPCRequest& request) +{ + if (request.fHelp || request.params.size() < 1 || request.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(request.params, boost::assign::list_of(UniValue::VSTR)(UniValue::VBOOL)); + + // parse hex string from parameter + CMutableTransaction mtx; + if (!DecodeHexTx(mtx, request.params[0].get_str())) + throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "TX decode failed"); + CTransactionRef tx(MakeTransactionRef(std::move(mtx))); + const uint256& hashTx = tx->GetHash(); + + bool fLimitFree = false; + CAmount nMaxRawTxFee = maxTxFee; + if (request.params.size() > 1 && request.params[1].get_bool()) + nMaxRawTxFee = 0; + + 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, std::move(tx), fLimitFree, &fMissingInputs, NULL, false, nMaxRawTxFee)) { + 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"); + } + if(!g_connman) + throw JSONRPCError(RPC_CLIENT_P2P_DISABLED, "Error: Peer-to-peer functionality missing or disabled"); + + CInv inv(MSG_TX, hashTx); + g_connman->ForEachNode([&inv](CNode* pnode) + { + pnode->PushInventory(inv); + }); + return hashTx.GetHex(); +} + +static const CRPCCommand commands[] = +{ // category name actor (function) okSafeMode + // --------------------- ------------------------ ----------------------- ---------- + { "rawtransactions", "getrawtransaction", &getrawtransaction, true, {"txid","verbose"} }, + { "rawtransactions", "createrawtransaction", &createrawtransaction, true, {"inputs","outputs","locktime"} }, + { "rawtransactions", "decoderawtransaction", &decoderawtransaction, true, {"hexstring"} }, + { "rawtransactions", "decodescript", &decodescript, true, {"hexstring"} }, + { "rawtransactions", "sendrawtransaction", &sendrawtransaction, false, {"hexstring","allowhighfees"} }, + { "rawtransactions", "signrawtransaction", &signrawtransaction, false, {"hexstring","prevtxs","privkeys","sighashtype"} }, /* uses wallet if enabled */ + + { "blockchain", "gettxoutproof", &gettxoutproof, true, {"txids", "blockhash"} }, + { "blockchain", "verifytxoutproof", &verifytxoutproof, true, {"proof"} }, +}; + +void RegisterRawTransactionRPCCommands(CRPCTable &t) +{ + for (unsigned int vcidx = 0; vcidx < ARRAYLEN(commands); vcidx++) + t.appendCommand(commands[vcidx].name, &commands[vcidx]); +} |