93d20a734d
bf64c3cb3Ignore transactions added to mempool during a reorg for fee estimation purposes. (Alex Morcos)04f78ab5bDo not reject based on mempool min fee when bypass_limits is set. (Alex Morcos)fd849e1b0Change AcceptToMemoryPool function signature (Alex Morcos) Pull request description: First commit just removes default arguments from `AcceptToMemoryPool` and consolidates two arguments, it does not change behavior. Second commit finally fixes the fact that we're not meant to reject based on mempool min fee when adding a transaction from a disconnected block during a reorg as mentioned [here](https://github.com/bitcoin/bitcoin/pull/9602#issue-202197849) Third commit makes fee estimation ignore transactions added from a disconnected block during a reorg. I think this was another source of fee estimates returning estimates below 1000 sat/kB as in #11303. Tree-SHA512: 30925ca8b341915bb214f1d2590b36b7931f2e125b7660150e38ae70338f00db5aa7f1608546dddb181446924177eb7cf62ea8bd2583068acc074d6c3f86bc0c
989 lines
43 KiB
C++
989 lines
43 KiB
C++
// 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/safemode.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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"\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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"\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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"\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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"\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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"\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) bitcoin 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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// 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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"\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 bitcoin 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[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[3].isTrue();
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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<CTxDestination> destinations;
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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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CTxDestination destination = DecodeDestination(name_);
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if (!IsValidDestination(destination)) {
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throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, std::string("Invalid Bitcoin address: ") + name_);
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}
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if (!destinations.insert(destination).second) {
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throw JSONRPCError(RPC_INVALID_PARAMETER, std::string("Invalid parameter, duplicated address: ") + name_);
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}
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CScript scriptPubKey = GetScriptForDestination(destination);
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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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}
|
|
}
|
|
|
|
if (!request.params[3].isNull() && rbfOptIn != SignalsOptInRBF(rawTx)) {
|
|
throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid parameter combination: Sequence number(s) contradict replaceable option");
|
|
}
|
|
|
|
return EncodeHexTx(rawTx);
|
|
}
|
|
|
|
UniValue decoderawtransaction(const JSONRPCRequest& request)
|
|
{
|
|
if (request.fHelp || request.params.size() != 1)
|
|
throw std::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"
|
|
" \"12tvKAXCxZjSmdNbao16dKXC8tRWfcF5oc\" (string) bitcoin 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) bitcoin 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", EncodeDestination(CScriptID(script))));
|
|
}
|
|
|
|
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\"")
|
|
);
|
|
|
|
ObserveSafeMode();
|
|
#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[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[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[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)) {
|
|
if (serror == SCRIPT_ERR_INVALID_STACK_OPERATION) {
|
|
// Unable to sign input and verification failed (possible attempt to partially sign).
|
|
TxInErrorToJSON(txin, vErrors, "Unable to sign input, invalid stack size (possibly missing key)");
|
|
} else {
|
|
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\"")
|
|
);
|
|
|
|
ObserveSafeMode();
|
|
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[1].isNull() && 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;
|
|
if (!AcceptToMemoryPool(mempool, state, std::move(tx), &fMissingInputs,
|
|
nullptr /* plTxnReplaced */, false /* bypass_limits */, 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) argNames
|
|
// --------------------- ------------------------ ----------------------- ----------
|
|
{ "rawtransactions", "getrawtransaction", &getrawtransaction, {"txid","verbose"} },
|
|
{ "rawtransactions", "createrawtransaction", &createrawtransaction, {"inputs","outputs","locktime","replaceable"} },
|
|
{ "rawtransactions", "decoderawtransaction", &decoderawtransaction, {"hexstring"} },
|
|
{ "rawtransactions", "decodescript", &decodescript, {"hexstring"} },
|
|
{ "rawtransactions", "sendrawtransaction", &sendrawtransaction, {"hexstring","allowhighfees"} },
|
|
{ "rawtransactions", "combinerawtransaction", &combinerawtransaction, {"txs"} },
|
|
{ "rawtransactions", "signrawtransaction", &signrawtransaction, {"hexstring","prevtxs","privkeys","sighashtype"} }, /* uses wallet if enabled */
|
|
|
|
{ "blockchain", "gettxoutproof", &gettxoutproof, {"txids", "blockhash"} },
|
|
{ "blockchain", "verifytxoutproof", &verifytxoutproof, {"proof"} },
|
|
};
|
|
|
|
void RegisterRawTransactionRPCCommands(CRPCTable &t)
|
|
{
|
|
for (unsigned int vcidx = 0; vcidx < ARRAYLEN(commands); vcidx++)
|
|
t.appendCommand(commands[vcidx].name, &commands[vcidx]);
|
|
}
|