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980 lines
43 KiB
980 lines
43 KiB
// Copyright (c) 2010 Satoshi Nakamoto |
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// Copyright (c) 2009-2016 The Bitcoin Core developers |
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// Distributed under the MIT 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 "base58.h" |
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#include "chain.h" |
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#include "coins.h" |
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#include "consensus/validation.h" |
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#include "core_io.h" |
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#include "init.h" |
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#include "keystore.h" |
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#include "validation.h" |
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#include "merkleblock.h" |
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#include "net.h" |
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#include "policy/policy.h" |
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#include "policy/rbf.h" |
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#include "primitives/transaction.h" |
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#include "rpc/server.h" |
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#include "script/script.h" |
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#include "script/script_error.h" |
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#include "script/sign.h" |
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#include "script/standard.h" |
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#include "txmempool.h" |
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#include "uint256.h" |
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#include "utilstrencodings.h" |
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#ifdef ENABLE_WALLET |
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#include "wallet/rpcwallet.h" |
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#include "wallet/wallet.h" |
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#endif |
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#include <stdint.h> |
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#include <univalue.h> |
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void TxToJSON(const CTransaction& tx, const uint256 hashBlock, UniValue& entry) |
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{ |
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// Call into TxToUniv() in bitcoin-common to decode the transaction hex. |
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// |
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// Blockchain contextual information (confirmations and blocktime) is not |
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// available to code in bitcoin-common, so we query them here and push the |
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// data into the returned UniValue. |
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TxToUniv(tx, uint256(), entry, true, RPCSerializationFlags()); |
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if (!hashBlock.IsNull()) { |
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entry.push_back(Pair("blockhash", hashBlock.GetHex())); |
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BlockMap::iterator mi = mapBlockIndex.find(hashBlock); |
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if (mi != mapBlockIndex.end() && (*mi).second) { |
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CBlockIndex* pindex = (*mi).second; |
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if (chainActive.Contains(pindex)) { |
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entry.push_back(Pair("confirmations", 1 + chainActive.Height() - pindex->nHeight)); |
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entry.push_back(Pair("time", pindex->GetBlockTime())); |
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entry.push_back(Pair("blocktime", pindex->GetBlockTime())); |
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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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UniValue getrawtransaction(const JSONRPCRequest& request) |
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{ |
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if (request.fHelp || request.params.size() < 1 || request.params.size() > 2) |
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throw std::runtime_error( |
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"getrawtransaction \"txid\" ( verbose )\n" |
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|
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"\nNOTE: By default this function only works for mempool transactions. If the -txindex option is\n" |
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"enabled, it also works for blockchain transactions.\n" |
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"DEPRECATED: for now, it also works for transactions with unspent outputs.\n" |
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|
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"\nReturn the raw transaction data.\n" |
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"\nIf verbose is 'true', returns an Object with information about 'txid'.\n" |
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"If verbose is 'false' or omitted, returns a string that is serialized, hex-encoded data for 'txid'.\n" |
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|
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"\nArguments:\n" |
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"1. \"txid\" (string, required) The transaction id\n" |
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"2. verbose (bool, optional, default=false) If false, return a string, otherwise return a json object\n" |
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|
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"\nResult (if verbose is not set or set to false):\n" |
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"\"data\" (string) The serialized, hex-encoded data for 'txid'\n" |
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|
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"\nResult (if verbose is set to true):\n" |
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"{\n" |
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" \"hex\" : \"data\", (string) The serialized, hex-encoded data for 'txid'\n" |
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" \"txid\" : \"id\", (string) The transaction id (same as provided)\n" |
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" \"hash\" : \"id\", (string) The transaction hash (differs from txid for witness transactions)\n" |
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" \"size\" : n, (numeric) The serialized transaction size\n" |
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" \"vsize\" : n, (numeric) The virtual transaction size (differs from size for witness transactions)\n" |
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" \"version\" : n, (numeric) The version\n" |
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" \"locktime\" : ttt, (numeric) The lock time\n" |
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" \"vin\" : [ (array of json objects)\n" |
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" {\n" |
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" \"txid\": \"id\", (string) The transaction id\n" |
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" \"vout\": n, (numeric) \n" |
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" \"scriptSig\": { (json object) The script\n" |
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" \"asm\": \"asm\", (string) asm\n" |
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" \"hex\": \"hex\" (string) hex\n" |
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" },\n" |
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" \"sequence\": n (numeric) The script sequence number\n" |
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" \"txinwitness\": [\"hex\", ...] (array of string) hex-encoded witness data (if any)\n" |
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" }\n" |
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" ,...\n" |
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" ],\n" |
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" \"vout\" : [ (array of json objects)\n" |
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" {\n" |
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" \"value\" : x.xxx, (numeric) The value in " + CURRENCY_UNIT + "\n" |
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" \"n\" : n, (numeric) index\n" |
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" \"scriptPubKey\" : { (json object)\n" |
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" \"asm\" : \"asm\", (string) the asm\n" |
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" \"hex\" : \"hex\", (string) the hex\n" |
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" \"reqSigs\" : n, (numeric) The required sigs\n" |
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" \"type\" : \"pubkeyhash\", (string) The type, eg 'pubkeyhash'\n" |
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" \"addresses\" : [ (json array of string)\n" |
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" \"address\" (string) litecoin address\n" |
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" ,...\n" |
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" ]\n" |
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" }\n" |
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" }\n" |
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" ,...\n" |
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" ],\n" |
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" \"blockhash\" : \"hash\", (string) the block hash\n" |
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" \"confirmations\" : n, (numeric) The confirmations\n" |
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" \"time\" : ttt, (numeric) The transaction time in seconds since epoch (Jan 1 1970 GMT)\n" |
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" \"blocktime\" : ttt (numeric) The block time in seconds since epoch (Jan 1 1970 GMT)\n" |
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"}\n" |
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"\nExamples:\n" |
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+ HelpExampleCli("getrawtransaction", "\"mytxid\"") |
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+ HelpExampleCli("getrawtransaction", "\"mytxid\" true") |
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+ HelpExampleRpc("getrawtransaction", "\"mytxid\", true") |
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); |
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LOCK(cs_main); |
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uint256 hash = ParseHashV(request.params[0], "parameter 1"); |
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|
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// Accept either a bool (true) or a num (>=1) to indicate verbose output. |
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bool fVerbose = false; |
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if (!request.params[1].isNull()) { |
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if (request.params[1].isNum()) { |
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if (request.params[1].get_int() != 0) { |
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fVerbose = true; |
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} |
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} |
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else if(request.params[1].isBool()) { |
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if(request.params[1].isTrue()) { |
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fVerbose = true; |
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} |
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} |
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else { |
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throw JSONRPCError(RPC_TYPE_ERROR, "Invalid type provided. Verbose parameter must be a boolean."); |
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} |
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} |
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CTransactionRef tx; |
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uint256 hashBlock; |
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if (!GetTransaction(hash, tx, Params().GetConsensus(), hashBlock, true)) |
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throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, std::string(fTxIndex ? "No such mempool or blockchain transaction" |
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: "No such mempool transaction. Use -txindex to enable blockchain transaction queries") + |
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". Use gettransaction for wallet transactions."); |
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if (!fVerbose) |
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return EncodeHexTx(*tx, RPCSerializationFlags()); |
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UniValue result(UniValue::VOBJ); |
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TxToJSON(*tx, hashBlock, result); |
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return result; |
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} |
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UniValue gettxoutproof(const JSONRPCRequest& request) |
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{ |
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if (request.fHelp || (request.params.size() != 1 && request.params.size() != 2)) |
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throw std::runtime_error( |
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"gettxoutproof [\"txid\",...] ( blockhash )\n" |
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"\nReturns a hex-encoded proof that \"txid\" was included in a block.\n" |
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"\nNOTE: By default this function only works sometimes. This is when there is an\n" |
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"unspent output in the utxo for this transaction. To make it always work,\n" |
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"you need to maintain a transaction index, using the -txindex command line option or\n" |
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"specify the block in which the transaction is included manually (by blockhash).\n" |
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"\nArguments:\n" |
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"1. \"txids\" (string) A json array of txids to filter\n" |
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" [\n" |
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" \"txid\" (string) A transaction hash\n" |
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" ,...\n" |
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" ]\n" |
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"2. \"blockhash\" (string, optional) If specified, looks for txid in the block with this hash\n" |
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"\nResult:\n" |
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"\"data\" (string) A string that is a serialized, hex-encoded data for the proof.\n" |
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); |
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std::set<uint256> setTxids; |
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uint256 oneTxid; |
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UniValue txids = request.params[0].get_array(); |
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for (unsigned int idx = 0; idx < txids.size(); idx++) { |
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const UniValue& txid = txids[idx]; |
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if (txid.get_str().length() != 64 || !IsHex(txid.get_str())) |
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throw JSONRPCError(RPC_INVALID_PARAMETER, std::string("Invalid txid ")+txid.get_str()); |
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uint256 hash(uint256S(txid.get_str())); |
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if (setTxids.count(hash)) |
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throw JSONRPCError(RPC_INVALID_PARAMETER, std::string("Invalid parameter, duplicated txid: ")+txid.get_str()); |
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setTxids.insert(hash); |
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oneTxid = hash; |
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} |
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LOCK(cs_main); |
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CBlockIndex* pblockindex = nullptr; |
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uint256 hashBlock; |
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if (!request.params[1].isNull()) |
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{ |
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hashBlock = uint256S(request.params[1].get_str()); |
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if (!mapBlockIndex.count(hashBlock)) |
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throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Block not found"); |
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pblockindex = mapBlockIndex[hashBlock]; |
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} else { |
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// Loop through txids and try to find which block they're in. Exit loop once a block is found. |
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for (const auto& tx : setTxids) { |
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const Coin& coin = AccessByTxid(*pcoinsTip, tx); |
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if (!coin.IsSpent()) { |
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pblockindex = chainActive[coin.nHeight]; |
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break; |
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} |
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} |
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} |
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if (pblockindex == nullptr) |
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{ |
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CTransactionRef tx; |
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if (!GetTransaction(oneTxid, tx, Params().GetConsensus(), hashBlock, false) || hashBlock.IsNull()) |
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throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Transaction not yet in block"); |
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if (!mapBlockIndex.count(hashBlock)) |
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throw JSONRPCError(RPC_INTERNAL_ERROR, "Transaction index corrupt"); |
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pblockindex = mapBlockIndex[hashBlock]; |
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} |
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CBlock block; |
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if(!ReadBlockFromDisk(block, pblockindex, Params().GetConsensus())) |
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throw JSONRPCError(RPC_INTERNAL_ERROR, "Can't read block from disk"); |
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unsigned int ntxFound = 0; |
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for (const auto& tx : block.vtx) |
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if (setTxids.count(tx->GetHash())) |
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ntxFound++; |
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if (ntxFound != setTxids.size()) |
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throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Not all transactions found in specified or retrieved block"); |
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CDataStream ssMB(SER_NETWORK, PROTOCOL_VERSION | SERIALIZE_TRANSACTION_NO_WITNESS); |
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CMerkleBlock mb(block, setTxids); |
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ssMB << mb; |
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std::string strHex = HexStr(ssMB.begin(), ssMB.end()); |
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return strHex; |
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} |
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UniValue verifytxoutproof(const JSONRPCRequest& request) |
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{ |
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if (request.fHelp || request.params.size() != 1) |
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throw std::runtime_error( |
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"verifytxoutproof \"proof\"\n" |
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"\nVerifies that a proof points to a transaction in a block, returning the transaction it commits to\n" |
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"and throwing an RPC error if the block is not in our best chain\n" |
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"\nArguments:\n" |
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"1. \"proof\" (string, required) The hex-encoded proof generated by gettxoutproof\n" |
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"\nResult:\n" |
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"[\"txid\"] (array, strings) The txid(s) which the proof commits to, or empty array if the proof is invalid\n" |
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); |
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CDataStream ssMB(ParseHexV(request.params[0], "proof"), SER_NETWORK, PROTOCOL_VERSION | SERIALIZE_TRANSACTION_NO_WITNESS); |
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CMerkleBlock merkleBlock; |
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ssMB >> merkleBlock; |
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UniValue res(UniValue::VARR); |
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std::vector<uint256> vMatch; |
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std::vector<unsigned int> vIndex; |
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if (merkleBlock.txn.ExtractMatches(vMatch, vIndex) != merkleBlock.header.hashMerkleRoot) |
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return res; |
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LOCK(cs_main); |
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if (!mapBlockIndex.count(merkleBlock.header.GetHash()) || !chainActive.Contains(mapBlockIndex[merkleBlock.header.GetHash()])) |
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throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Block not found in chain"); |
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for (const uint256& hash : vMatch) |
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res.push_back(hash.GetHex()); |
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return res; |
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} |
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UniValue createrawtransaction(const JSONRPCRequest& request) |
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{ |
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if (request.fHelp || request.params.size() < 2 || request.params.size() > 4) |
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throw std::runtime_error( |
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"createrawtransaction [{\"txid\":\"id\",\"vout\":n},...] {\"address\":amount,\"data\":\"hex\",...} ( locktime ) ( replaceable )\n" |
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"\nCreate a transaction spending the given inputs and creating new outputs.\n" |
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"Outputs can be addresses or data.\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.\n" |
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|
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"\nArguments:\n" |
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"1. \"inputs\" (array, required) A json array of json objects\n" |
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" [\n" |
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" {\n" |
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" \"txid\":\"id\", (string, required) The transaction id\n" |
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" \"vout\":n, (numeric, required) The output number\n" |
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" \"sequence\":n (numeric, optional) The sequence number\n" |
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" } \n" |
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" ,...\n" |
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" ]\n" |
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"2. \"outputs\" (object, required) a json object with outputs\n" |
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" {\n" |
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" \"address\": x.xxx, (numeric or string, required) The key is the litecoin address, the numeric value (can be string) is the " + CURRENCY_UNIT + " amount\n" |
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" \"data\": \"hex\" (string, required) The key is \"data\", the value is hex encoded data\n" |
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" ,...\n" |
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" }\n" |
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"3. locktime (numeric, optional, default=0) Raw locktime. Non-0 value also locktime-activates inputs\n" |
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"4. replaceable (boolean, optional, default=false) Marks this transaction as BIP125 replaceable.\n" |
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" Allows this transaction to be replaced by a transaction with higher fees. If provided, it is an error if explicit sequence numbers are incompatible.\n" |
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"\nResult:\n" |
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"\"transaction\" (string) hex string of the transaction\n" |
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"\nExamples:\n" |
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+ HelpExampleCli("createrawtransaction", "\"[{\\\"txid\\\":\\\"myid\\\",\\\"vout\\\":0}]\" \"{\\\"address\\\":0.01}\"") |
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+ HelpExampleCli("createrawtransaction", "\"[{\\\"txid\\\":\\\"myid\\\",\\\"vout\\\":0}]\" \"{\\\"data\\\":\\\"00010203\\\"}\"") |
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+ HelpExampleRpc("createrawtransaction", "\"[{\\\"txid\\\":\\\"myid\\\",\\\"vout\\\":0}]\", \"{\\\"address\\\":0.01}\"") |
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+ HelpExampleRpc("createrawtransaction", "\"[{\\\"txid\\\":\\\"myid\\\",\\\"vout\\\":0}]\", \"{\\\"data\\\":\\\"00010203\\\"}\"") |
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); |
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RPCTypeCheck(request.params, {UniValue::VARR, UniValue::VOBJ, UniValue::VNUM}, true); |
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if (request.params[0].isNull() || request.params[1].isNull()) |
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throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid parameter, arguments 1 and 2 must be non-null"); |
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UniValue inputs = request.params[0].get_array(); |
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UniValue sendTo = request.params[1].get_obj(); |
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CMutableTransaction rawTx; |
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if (request.params.size() > 2 && !request.params[2].isNull()) { |
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int64_t nLockTime = request.params[2].get_int64(); |
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if (nLockTime < 0 || nLockTime > std::numeric_limits<uint32_t>::max()) |
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throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid parameter, locktime out of range"); |
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rawTx.nLockTime = nLockTime; |
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} |
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bool rbfOptIn = request.params.size() > 3 ? request.params[3].isTrue() : false; |
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for (unsigned int idx = 0; idx < inputs.size(); idx++) { |
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const UniValue& input = inputs[idx]; |
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const UniValue& o = input.get_obj(); |
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uint256 txid = ParseHashO(o, "txid"); |
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const UniValue& vout_v = find_value(o, "vout"); |
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if (!vout_v.isNum()) |
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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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uint32_t nSequence; |
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if (rbfOptIn) { |
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nSequence = MAX_BIP125_RBF_SEQUENCE; |
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} else if (rawTx.nLockTime) { |
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nSequence = std::numeric_limits<uint32_t>::max() - 1; |
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} else { |
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nSequence = std::numeric_limits<uint32_t>::max(); |
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} |
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// set the sequence number if passed in the parameters object |
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const UniValue& sequenceObj = find_value(o, "sequence"); |
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if (sequenceObj.isNum()) { |
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int64_t seqNr64 = sequenceObj.get_int64(); |
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if (seqNr64 < 0 || seqNr64 > std::numeric_limits<uint32_t>::max()) { |
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throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid parameter, sequence number is out of range"); |
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} else { |
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nSequence = (uint32_t)seqNr64; |
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} |
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} |
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CTxIn in(COutPoint(txid, nOutput), CScript(), nSequence); |
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rawTx.vin.push_back(in); |
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} |
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std::set<CBitcoinAddress> setAddress; |
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std::vector<std::string> addrList = sendTo.getKeys(); |
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for (const std::string& name_ : addrList) { |
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if (name_ == "data") { |
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std::vector<unsigned char> data = ParseHexV(sendTo[name_].getValStr(),"Data"); |
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CTxOut out(0, CScript() << OP_RETURN << data); |
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rawTx.vout.push_back(out); |
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} else { |
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CBitcoinAddress address(name_); |
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if (!address.IsValid()) |
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throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, std::string("Invalid Litecoin address: ")+name_); |
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if (setAddress.count(address)) |
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throw JSONRPCError(RPC_INVALID_PARAMETER, std::string("Invalid parameter, duplicated address: ")+name_); |
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setAddress.insert(address); |
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CScript scriptPubKey = GetScriptForDestination(address.Get()); |
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CAmount nAmount = AmountFromValue(sendTo[name_]); |
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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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} |
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if (!request.params[3].isNull() && rbfOptIn != SignalsOptInRBF(rawTx)) { |
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throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid parameter combination: Sequence number(s) contradict replaceable option"); |
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} |
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return EncodeHexTx(rawTx); |
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} |
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UniValue decoderawtransaction(const JSONRPCRequest& request) |
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{ |
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if (request.fHelp || request.params.size() != 1) |
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throw std::runtime_error( |
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"decoderawtransaction \"hexstring\"\n" |
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"\nReturn a JSON object representing the serialized, hex-encoded transaction.\n" |
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|
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"\nArguments:\n" |
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"1. \"hexstring\" (string, required) The transaction hex string\n" |
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|
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"\nResult:\n" |
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"{\n" |
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" \"txid\" : \"id\", (string) The transaction id\n" |
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" \"hash\" : \"id\", (string) The transaction hash (differs from txid for witness transactions)\n" |
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" \"size\" : n, (numeric) The transaction size\n" |
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" \"vsize\" : n, (numeric) The virtual transaction size (differs from size for witness transactions)\n" |
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" \"version\" : n, (numeric) The version\n" |
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" \"locktime\" : ttt, (numeric) The lock time\n" |
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" \"vin\" : [ (array of json objects)\n" |
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" {\n" |
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" \"txid\": \"id\", (string) The transaction id\n" |
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" \"vout\": n, (numeric) The output number\n" |
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" \"scriptSig\": { (json object) The script\n" |
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" \"asm\": \"asm\", (string) asm\n" |
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" \"hex\": \"hex\" (string) hex\n" |
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" },\n" |
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" \"txinwitness\": [\"hex\", ...] (array of string) hex-encoded witness data (if any)\n" |
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" \"sequence\": n (numeric) The script sequence number\n" |
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" }\n" |
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" ,...\n" |
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" ],\n" |
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" \"vout\" : [ (array of json objects)\n" |
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" {\n" |
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" \"value\" : x.xxx, (numeric) The value in " + CURRENCY_UNIT + "\n" |
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" \"n\" : n, (numeric) index\n" |
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" \"scriptPubKey\" : { (json object)\n" |
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" \"asm\" : \"asm\", (string) the asm\n" |
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" \"hex\" : \"hex\", (string) the hex\n" |
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" \"reqSigs\" : n, (numeric) The required sigs\n" |
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" \"type\" : \"pubkeyhash\", (string) The type, eg 'pubkeyhash'\n" |
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" \"addresses\" : [ (json array of string)\n" |
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" \"12tvKAXCxZjSmdNbao16dKXC8tRWfcF5oc\" (string) litecoin address\n" |
|
" ,...\n" |
|
" ]\n" |
|
" }\n" |
|
" }\n" |
|
" ,...\n" |
|
" ],\n" |
|
"}\n" |
|
|
|
"\nExamples:\n" |
|
+ HelpExampleCli("decoderawtransaction", "\"hexstring\"") |
|
+ HelpExampleRpc("decoderawtransaction", "\"hexstring\"") |
|
); |
|
|
|
LOCK(cs_main); |
|
RPCTypeCheck(request.params, {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); |
|
TxToUniv(CTransaction(std::move(mtx)), uint256(), result, false); |
|
|
|
return result; |
|
} |
|
|
|
UniValue decodescript(const JSONRPCRequest& request) |
|
{ |
|
if (request.fHelp || request.params.size() != 1) |
|
throw std::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) litecoin 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, {UniValue::VSTR}); |
|
|
|
UniValue r(UniValue::VOBJ); |
|
CScript script; |
|
if (request.params[0].get_str().size() > 0){ |
|
std::vector<unsigned char> scriptData(ParseHexV(request.params[0], "argument")); |
|
script = CScript(scriptData.begin(), scriptData.end()); |
|
} else { |
|
// Empty scripts are valid |
|
} |
|
ScriptPubKeyToUniv(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)); |
|
UniValue witness(UniValue::VARR); |
|
for (unsigned int i = 0; i < txin.scriptWitness.stack.size(); i++) { |
|
witness.push_back(HexStr(txin.scriptWitness.stack[i].begin(), txin.scriptWitness.stack[i].end())); |
|
} |
|
entry.push_back(Pair("witness", witness)); |
|
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 combinerawtransaction(const JSONRPCRequest& request) |
|
{ |
|
|
|
if (request.fHelp || request.params.size() != 1) |
|
throw std::runtime_error( |
|
"combinerawtransaction [\"hexstring\",...]\n" |
|
"\nCombine multiple partially signed transactions into one transaction.\n" |
|
"The combined transaction may be another partially signed transaction or a \n" |
|
"fully signed transaction." |
|
|
|
"\nArguments:\n" |
|
"1. \"txs\" (string) A json array of hex strings of partially signed transactions\n" |
|
" [\n" |
|
" \"hexstring\" (string) A transaction hash\n" |
|
" ,...\n" |
|
" ]\n" |
|
|
|
"\nResult:\n" |
|
"\"hex\" (string) The hex-encoded raw transaction with signature(s)\n" |
|
|
|
"\nExamples:\n" |
|
+ HelpExampleCli("combinerawtransaction", "[\"myhex1\", \"myhex2\", \"myhex3\"]") |
|
); |
|
|
|
|
|
UniValue txs = request.params[0].get_array(); |
|
std::vector<CMutableTransaction> txVariants(txs.size()); |
|
|
|
for (unsigned int idx = 0; idx < txs.size(); idx++) { |
|
if (!DecodeHexTx(txVariants[idx], txs[idx].get_str(), true)) { |
|
throw JSONRPCError(RPC_DESERIALIZATION_ERROR, strprintf("TX decode failed for tx %d", idx)); |
|
} |
|
} |
|
|
|
if (txVariants.empty()) { |
|
throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "Missing transactions"); |
|
} |
|
|
|
// 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(cs_main); |
|
LOCK(mempool.cs); |
|
CCoinsViewCache &viewChain = *pcoinsTip; |
|
CCoinsViewMemPool viewMempool(&viewChain, mempool); |
|
view.SetBackend(viewMempool); // temporarily switch cache backend to db+mempool view |
|
|
|
for (const CTxIn& txin : mergedTx.vin) { |
|
view.AccessCoin(txin.prevout); // Load entries from viewChain into view; can fail. |
|
} |
|
|
|
view.SetBackend(viewDummy); // switch back to avoid locking mempool for too long |
|
} |
|
|
|
// 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 Coin& coin = view.AccessCoin(txin.prevout); |
|
if (coin.IsSpent()) { |
|
throw JSONRPCError(RPC_VERIFY_ERROR, "Input not found or already spent"); |
|
} |
|
const CScript& prevPubKey = coin.out.scriptPubKey; |
|
const CAmount& amount = coin.out.nValue; |
|
|
|
SignatureData sigdata; |
|
|
|
// ... and merge in other signatures: |
|
for (const CMutableTransaction& txv : txVariants) { |
|
if (txv.vin.size() > i) { |
|
sigdata = CombineSignatures(prevPubKey, TransactionSignatureChecker(&txConst, i, amount), sigdata, DataFromTransaction(txv, i)); |
|
} |
|
} |
|
|
|
UpdateTransaction(mergedTx, i, sigdata); |
|
} |
|
|
|
return EncodeHexTx(mergedTx); |
|
} |
|
|
|
UniValue signrawtransaction(const JSONRPCRequest& request) |
|
{ |
|
#ifdef ENABLE_WALLET |
|
CWallet * const pwallet = GetWalletForJSONRPCRequest(request); |
|
#endif |
|
|
|
if (request.fHelp || request.params.size() < 1 || request.params.size() > 4) |
|
throw std::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(pwallet) + "\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, pwallet ? &pwallet->cs_wallet : nullptr); |
|
#else |
|
LOCK(cs_main); |
|
#endif |
|
RPCTypeCheck(request.params, {UniValue::VSTR, UniValue::VARR, UniValue::VARR, UniValue::VSTR}, true); |
|
|
|
CMutableTransaction mtx; |
|
if (!DecodeHexTx(mtx, request.params[0].get_str(), true)) |
|
throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "TX decode failed"); |
|
|
|
// 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 |
|
|
|
for (const CTxIn& txin : mtx.vin) { |
|
view.AccessCoin(txin.prevout); // Load entries from viewChain into view; can 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 (pwallet) { |
|
EnsureWalletIsUnlocked(pwallet); |
|
} |
|
#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"); |
|
|
|
COutPoint out(txid, nOut); |
|
std::vector<unsigned char> pkData(ParseHexO(prevOut, "scriptPubKey")); |
|
CScript scriptPubKey(pkData.begin(), pkData.end()); |
|
|
|
{ |
|
const Coin& coin = view.AccessCoin(out); |
|
if (!coin.IsSpent() && coin.out.scriptPubKey != scriptPubKey) { |
|
std::string err("Previous output scriptPubKey mismatch:\n"); |
|
err = err + ScriptToAsmStr(coin.out.scriptPubKey) + "\nvs:\n"+ |
|
ScriptToAsmStr(scriptPubKey); |
|
throw JSONRPCError(RPC_DESERIALIZATION_ERROR, err); |
|
} |
|
Coin newcoin; |
|
newcoin.out.scriptPubKey = scriptPubKey; |
|
newcoin.out.nValue = 0; |
|
if (prevOut.exists("amount")) { |
|
newcoin.out.nValue = AmountFromValue(find_value(prevOut, "amount")); |
|
} |
|
newcoin.nHeight = 1; |
|
view.AddCoin(out, std::move(newcoin), true); |
|
} |
|
|
|
// if redeemScript given and not using the local wallet (private keys |
|
// given), add redeemScript to the tempKeystore so it can be signed: |
|
if (fGivenKeys && (scriptPubKey.IsPayToScriptHash() || scriptPubKey.IsPayToWitnessScriptHash())) { |
|
RPCTypeCheckObj(prevOut, |
|
{ |
|
{"txid", UniValueType(UniValue::VSTR)}, |
|
{"vout", UniValueType(UniValue::VNUM)}, |
|
{"scriptPubKey", UniValueType(UniValue::VSTR)}, |
|
{"redeemScript", UniValueType(UniValue::VSTR)}, |
|
}); |
|
UniValue v = find_value(prevOut, "redeemScript"); |
|
if (!v.isNull()) { |
|
std::vector<unsigned char> rsData(ParseHexV(v, "redeemScript")); |
|
CScript redeemScript(rsData.begin(), rsData.end()); |
|
tempKeystore.AddCScript(redeemScript); |
|
} |
|
} |
|
} |
|
} |
|
|
|
#ifdef ENABLE_WALLET |
|
const CKeyStore& keystore = ((fGivenKeys || !pwallet) ? tempKeystore : *pwallet); |
|
#else |
|
const CKeyStore& keystore = tempKeystore; |
|
#endif |
|
|
|
int nHashType = SIGHASH_ALL; |
|
if (request.params.size() > 3 && !request.params[3].isNull()) { |
|
static std::map<std::string, int> mapSigHashValues = { |
|
{std::string("ALL"), int(SIGHASH_ALL)}, |
|
{std::string("ALL|ANYONECANPAY"), int(SIGHASH_ALL|SIGHASH_ANYONECANPAY)}, |
|
{std::string("NONE"), int(SIGHASH_NONE)}, |
|
{std::string("NONE|ANYONECANPAY"), int(SIGHASH_NONE|SIGHASH_ANYONECANPAY)}, |
|
{std::string("SINGLE"), int(SIGHASH_SINGLE)}, |
|
{std::string("SINGLE|ANYONECANPAY"), int(SIGHASH_SINGLE|SIGHASH_ANYONECANPAY)}, |
|
}; |
|
std::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(mtx); |
|
// Sign what we can: |
|
for (unsigned int i = 0; i < mtx.vin.size(); i++) { |
|
CTxIn& txin = mtx.vin[i]; |
|
const Coin& coin = view.AccessCoin(txin.prevout); |
|
if (coin.IsSpent()) { |
|
TxInErrorToJSON(txin, vErrors, "Input not found or already spent"); |
|
continue; |
|
} |
|
const CScript& prevPubKey = coin.out.scriptPubKey; |
|
const CAmount& amount = coin.out.nValue; |
|
|
|
SignatureData sigdata; |
|
// Only sign SIGHASH_SINGLE if there's a corresponding output: |
|
if (!fHashSingle || (i < mtx.vout.size())) |
|
ProduceSignature(MutableTransactionSignatureCreator(&keystore, &mtx, i, amount, nHashType), prevPubKey, sigdata); |
|
sigdata = CombineSignatures(prevPubKey, TransactionSignatureChecker(&txConst, i, amount), sigdata, DataFromTransaction(mtx, i)); |
|
|
|
UpdateTransaction(mtx, 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(mtx))); |
|
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 std::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, {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(); |
|
|
|
CAmount nMaxRawTxFee = maxTxFee; |
|
if (request.params.size() > 1 && request.params[1].get_bool()) |
|
nMaxRawTxFee = 0; |
|
|
|
CCoinsViewCache &view = *pcoinsTip; |
|
bool fHaveChain = false; |
|
for (size_t o = 0; !fHaveChain && o < tx->vout.size(); o++) { |
|
const Coin& existingCoin = view.AccessCoin(COutPoint(hashTx, o)); |
|
fHaveChain = !existingCoin.IsSpent(); |
|
} |
|
bool fHaveMempool = mempool.exists(hashTx); |
|
if (!fHaveMempool && !fHaveChain) { |
|
// push to local node and sync with wallets |
|
CValidationState state; |
|
bool fMissingInputs; |
|
bool fLimitFree = true; |
|
if (!AcceptToMemoryPool(mempool, state, std::move(tx), fLimitFree, &fMissingInputs, nullptr, 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","replaceable"} }, |
|
{ "rawtransactions", "decoderawtransaction", &decoderawtransaction, true, {"hexstring"} }, |
|
{ "rawtransactions", "decodescript", &decodescript, true, {"hexstring"} }, |
|
{ "rawtransactions", "sendrawtransaction", &sendrawtransaction, false, {"hexstring","allowhighfees"} }, |
|
{ "rawtransactions", "combinerawtransaction", &combinerawtransaction, true, {"txs"} }, |
|
{ "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]); |
|
}
|
|
|