97b8213674
Inconsistencies prior to this commit: * serializeFlags vs serialFlags src/core_io.h:std::string EncodeHexTx(const CTransaction& tx, const int serializeFlags = 0); src/core_write.cpp:std::string EncodeHexTx(const CTransaction& tx, const int serialFlags) * statusOut vs outStatus src/rpc/server.h:bool RPCIsInWarmup(std::string *statusOut); src/rpc/server.cpp:bool RPCIsInWarmup(std::string *outStatus) * hashesToUpdate vs vHashesToUpdate src/txmempool.h: void UpdateTransactionsFromBlock(const std::vector<uint256> &hashesToUpdate); src/txmempool.cpp:void CTxMemPool::UpdateTransactionsFromBlock(const std::vector<uint256> &vHashesToUpdate) * nPruneUpToHeight vs nManualPruneHeight src/validation.h:void PruneBlockFilesManual(int nPruneUpToHeight); src/validation.cpp:void PruneBlockFilesManual(int nManualPruneHeight);
203 lines
7.9 KiB
C++
203 lines
7.9 KiB
C++
// 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 "core_io.h"
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#include "base58.h"
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#include "primitives/transaction.h"
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#include "script/script.h"
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#include "script/standard.h"
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#include "serialize.h"
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#include "streams.h"
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#include <univalue.h>
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#include "util.h"
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#include "utilmoneystr.h"
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#include "utilstrencodings.h"
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#include <boost/assign/list_of.hpp>
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#include <boost/foreach.hpp>
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std::string FormatScript(const CScript& script)
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{
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std::string ret;
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CScript::const_iterator it = script.begin();
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opcodetype op;
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while (it != script.end()) {
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CScript::const_iterator it2 = it;
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std::vector<unsigned char> vch;
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if (script.GetOp2(it, op, &vch)) {
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if (op == OP_0) {
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ret += "0 ";
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continue;
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} else if ((op >= OP_1 && op <= OP_16) || op == OP_1NEGATE) {
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ret += strprintf("%i ", op - OP_1NEGATE - 1);
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continue;
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} else if (op >= OP_NOP && op <= OP_NOP10) {
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std::string str(GetOpName(op));
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if (str.substr(0, 3) == std::string("OP_")) {
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ret += str.substr(3, std::string::npos) + " ";
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continue;
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}
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}
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if (vch.size() > 0) {
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ret += strprintf("0x%x 0x%x ", HexStr(it2, it - vch.size()), HexStr(it - vch.size(), it));
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} else {
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ret += strprintf("0x%x ", HexStr(it2, it));
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}
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continue;
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}
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ret += strprintf("0x%x ", HexStr(it2, script.end()));
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break;
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}
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return ret.substr(0, ret.size() - 1);
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}
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const std::map<unsigned char, std::string> mapSigHashTypes =
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boost::assign::map_list_of
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(static_cast<unsigned char>(SIGHASH_ALL), std::string("ALL"))
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(static_cast<unsigned char>(SIGHASH_ALL|SIGHASH_ANYONECANPAY), std::string("ALL|ANYONECANPAY"))
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(static_cast<unsigned char>(SIGHASH_NONE), std::string("NONE"))
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(static_cast<unsigned char>(SIGHASH_NONE|SIGHASH_ANYONECANPAY), std::string("NONE|ANYONECANPAY"))
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(static_cast<unsigned char>(SIGHASH_SINGLE), std::string("SINGLE"))
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(static_cast<unsigned char>(SIGHASH_SINGLE|SIGHASH_ANYONECANPAY), std::string("SINGLE|ANYONECANPAY"))
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;
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/**
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* Create the assembly string representation of a CScript object.
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* @param[in] script CScript object to convert into the asm string representation.
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* @param[in] fAttemptSighashDecode Whether to attempt to decode sighash types on data within the script that matches the format
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* of a signature. Only pass true for scripts you believe could contain signatures. For example,
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* pass false, or omit the this argument (defaults to false), for scriptPubKeys.
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*/
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std::string ScriptToAsmStr(const CScript& script, const bool fAttemptSighashDecode)
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{
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std::string str;
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opcodetype opcode;
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std::vector<unsigned char> vch;
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CScript::const_iterator pc = script.begin();
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while (pc < script.end()) {
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if (!str.empty()) {
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str += " ";
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}
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if (!script.GetOp(pc, opcode, vch)) {
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str += "[error]";
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return str;
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}
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if (0 <= opcode && opcode <= OP_PUSHDATA4) {
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if (vch.size() <= static_cast<std::vector<unsigned char>::size_type>(4)) {
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str += strprintf("%d", CScriptNum(vch, false).getint());
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} else {
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// the IsUnspendable check makes sure not to try to decode OP_RETURN data that may match the format of a signature
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if (fAttemptSighashDecode && !script.IsUnspendable()) {
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std::string strSigHashDecode;
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// goal: only attempt to decode a defined sighash type from data that looks like a signature within a scriptSig.
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// this won't decode correctly formatted public keys in Pubkey or Multisig scripts due to
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// the restrictions on the pubkey formats (see IsCompressedOrUncompressedPubKey) being incongruous with the
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// checks in CheckSignatureEncoding.
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if (CheckSignatureEncoding(vch, SCRIPT_VERIFY_STRICTENC, NULL)) {
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const unsigned char chSigHashType = vch.back();
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if (mapSigHashTypes.count(chSigHashType)) {
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strSigHashDecode = "[" + mapSigHashTypes.find(chSigHashType)->second + "]";
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vch.pop_back(); // remove the sighash type byte. it will be replaced by the decode.
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}
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}
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str += HexStr(vch) + strSigHashDecode;
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} else {
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str += HexStr(vch);
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}
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}
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} else {
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str += GetOpName(opcode);
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}
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}
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return str;
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}
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std::string EncodeHexTx(const CTransaction& tx, const int serializeFlags)
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{
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CDataStream ssTx(SER_NETWORK, PROTOCOL_VERSION | serializeFlags);
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ssTx << tx;
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return HexStr(ssTx.begin(), ssTx.end());
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}
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void ScriptPubKeyToUniv(const CScript& scriptPubKey,
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UniValue& out, bool fIncludeHex)
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{
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txnouttype type;
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std::vector<CTxDestination> addresses;
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int nRequired;
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out.pushKV("asm", ScriptToAsmStr(scriptPubKey));
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if (fIncludeHex)
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out.pushKV("hex", HexStr(scriptPubKey.begin(), scriptPubKey.end()));
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if (!ExtractDestinations(scriptPubKey, type, addresses, nRequired)) {
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out.pushKV("type", GetTxnOutputType(type));
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return;
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}
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out.pushKV("reqSigs", nRequired);
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out.pushKV("type", GetTxnOutputType(type));
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UniValue a(UniValue::VARR);
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BOOST_FOREACH(const CTxDestination& addr, addresses)
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a.push_back(CBitcoinAddress(addr).ToString());
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out.pushKV("addresses", a);
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}
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void TxToUniv(const CTransaction& tx, const uint256& hashBlock, UniValue& entry)
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{
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entry.pushKV("txid", tx.GetHash().GetHex());
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entry.pushKV("hash", tx.GetWitnessHash().GetHex());
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entry.pushKV("version", tx.nVersion);
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entry.pushKV("locktime", (int64_t)tx.nLockTime);
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UniValue vin(UniValue::VARR);
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for (unsigned int i = 0; i < tx.vin.size(); i++) {
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const CTxIn& txin = tx.vin[i];
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UniValue in(UniValue::VOBJ);
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if (tx.IsCoinBase())
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in.pushKV("coinbase", HexStr(txin.scriptSig.begin(), txin.scriptSig.end()));
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else {
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in.pushKV("txid", txin.prevout.hash.GetHex());
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in.pushKV("vout", (int64_t)txin.prevout.n);
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UniValue o(UniValue::VOBJ);
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o.pushKV("asm", ScriptToAsmStr(txin.scriptSig, true));
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o.pushKV("hex", HexStr(txin.scriptSig.begin(), txin.scriptSig.end()));
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in.pushKV("scriptSig", o);
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if (!tx.vin[i].scriptWitness.IsNull()) {
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UniValue txinwitness(UniValue::VARR);
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for (const auto& item : tx.vin[i].scriptWitness.stack) {
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txinwitness.push_back(HexStr(item.begin(), item.end()));
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}
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in.pushKV("txinwitness", txinwitness);
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}
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}
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in.pushKV("sequence", (int64_t)txin.nSequence);
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vin.push_back(in);
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}
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entry.pushKV("vin", vin);
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UniValue vout(UniValue::VARR);
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for (unsigned int i = 0; i < tx.vout.size(); i++) {
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const CTxOut& txout = tx.vout[i];
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UniValue out(UniValue::VOBJ);
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UniValue outValue(UniValue::VNUM, FormatMoney(txout.nValue));
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out.pushKV("value", outValue);
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out.pushKV("n", (int64_t)i);
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UniValue o(UniValue::VOBJ);
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ScriptPubKeyToUniv(txout.scriptPubKey, o, true);
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out.pushKV("scriptPubKey", o);
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vout.push_back(out);
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}
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entry.pushKV("vout", vout);
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if (!hashBlock.IsNull())
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entry.pushKV("blockhash", hashBlock.GetHex());
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entry.pushKV("hex", EncodeHexTx(tx)); // the hex-encoded transaction. used the name "hex" to be consistent with the verbose output of "getrawtransaction".
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}
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