You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
203 lines
8.1 KiB
203 lines
8.1 KiB
// Copyright (c) 2009-2016 The Bitcoin Core developers |
|
// Distributed under the MIT software license, see the accompanying |
|
// file COPYING or http://www.opensource.org/licenses/mit-license.php. |
|
|
|
#include "core_io.h" |
|
|
|
#include "base58.h" |
|
#include "primitives/transaction.h" |
|
#include "script/script.h" |
|
#include "script/standard.h" |
|
#include "serialize.h" |
|
#include "streams.h" |
|
#include <univalue.h> |
|
#include "util.h" |
|
#include "utilmoneystr.h" |
|
#include "utilstrencodings.h" |
|
|
|
#include <boost/foreach.hpp> |
|
|
|
std::string FormatScript(const CScript& script) |
|
{ |
|
std::string ret; |
|
CScript::const_iterator it = script.begin(); |
|
opcodetype op; |
|
while (it != script.end()) { |
|
CScript::const_iterator it2 = it; |
|
std::vector<unsigned char> vch; |
|
if (script.GetOp2(it, op, &vch)) { |
|
if (op == OP_0) { |
|
ret += "0 "; |
|
continue; |
|
} else if ((op >= OP_1 && op <= OP_16) || op == OP_1NEGATE) { |
|
ret += strprintf("%i ", op - OP_1NEGATE - 1); |
|
continue; |
|
} else if (op >= OP_NOP && op <= OP_NOP10) { |
|
std::string str(GetOpName(op)); |
|
if (str.substr(0, 3) == std::string("OP_")) { |
|
ret += str.substr(3, std::string::npos) + " "; |
|
continue; |
|
} |
|
} |
|
if (vch.size() > 0) { |
|
ret += strprintf("0x%x 0x%x ", HexStr(it2, it - vch.size()), HexStr(it - vch.size(), it)); |
|
} else { |
|
ret += strprintf("0x%x ", HexStr(it2, it)); |
|
} |
|
continue; |
|
} |
|
ret += strprintf("0x%x ", HexStr(it2, script.end())); |
|
break; |
|
} |
|
return ret.substr(0, ret.size() - 1); |
|
} |
|
|
|
const std::map<unsigned char, std::string> mapSigHashTypes = { |
|
{static_cast<unsigned char>(SIGHASH_ALL), std::string("ALL")}, |
|
{static_cast<unsigned char>(SIGHASH_ALL|SIGHASH_ANYONECANPAY), std::string("ALL|ANYONECANPAY")}, |
|
{static_cast<unsigned char>(SIGHASH_NONE), std::string("NONE")}, |
|
{static_cast<unsigned char>(SIGHASH_NONE|SIGHASH_ANYONECANPAY), std::string("NONE|ANYONECANPAY")}, |
|
{static_cast<unsigned char>(SIGHASH_SINGLE), std::string("SINGLE")}, |
|
{static_cast<unsigned char>(SIGHASH_SINGLE|SIGHASH_ANYONECANPAY), std::string("SINGLE|ANYONECANPAY")}, |
|
}; |
|
|
|
/** |
|
* Create the assembly string representation of a CScript object. |
|
* @param[in] script CScript object to convert into the asm string representation. |
|
* @param[in] fAttemptSighashDecode Whether to attempt to decode sighash types on data within the script that matches the format |
|
* of a signature. Only pass true for scripts you believe could contain signatures. For example, |
|
* pass false, or omit the this argument (defaults to false), for scriptPubKeys. |
|
*/ |
|
std::string ScriptToAsmStr(const CScript& script, const bool fAttemptSighashDecode) |
|
{ |
|
std::string str; |
|
opcodetype opcode; |
|
std::vector<unsigned char> vch; |
|
CScript::const_iterator pc = script.begin(); |
|
while (pc < script.end()) { |
|
if (!str.empty()) { |
|
str += " "; |
|
} |
|
if (!script.GetOp(pc, opcode, vch)) { |
|
str += "[error]"; |
|
return str; |
|
} |
|
if (0 <= opcode && opcode <= OP_PUSHDATA4) { |
|
if (vch.size() <= static_cast<std::vector<unsigned char>::size_type>(4)) { |
|
str += strprintf("%d", CScriptNum(vch, false).getint()); |
|
} else { |
|
// the IsUnspendable check makes sure not to try to decode OP_RETURN data that may match the format of a signature |
|
if (fAttemptSighashDecode && !script.IsUnspendable()) { |
|
std::string strSigHashDecode; |
|
// goal: only attempt to decode a defined sighash type from data that looks like a signature within a scriptSig. |
|
// this won't decode correctly formatted public keys in Pubkey or Multisig scripts due to |
|
// the restrictions on the pubkey formats (see IsCompressedOrUncompressedPubKey) being incongruous with the |
|
// checks in CheckSignatureEncoding. |
|
if (CheckSignatureEncoding(vch, SCRIPT_VERIFY_STRICTENC, NULL)) { |
|
const unsigned char chSigHashType = vch.back(); |
|
if (mapSigHashTypes.count(chSigHashType)) { |
|
strSigHashDecode = "[" + mapSigHashTypes.find(chSigHashType)->second + "]"; |
|
vch.pop_back(); // remove the sighash type byte. it will be replaced by the decode. |
|
} |
|
} |
|
str += HexStr(vch) + strSigHashDecode; |
|
} else { |
|
str += HexStr(vch); |
|
} |
|
} |
|
} else { |
|
str += GetOpName(opcode); |
|
} |
|
} |
|
return str; |
|
} |
|
|
|
std::string EncodeHexTx(const CTransaction& tx, const int serializeFlags) |
|
{ |
|
CDataStream ssTx(SER_NETWORK, PROTOCOL_VERSION | serializeFlags); |
|
ssTx << tx; |
|
return HexStr(ssTx.begin(), ssTx.end()); |
|
} |
|
|
|
void ScriptPubKeyToUniv(const CScript& scriptPubKey, |
|
UniValue& out, bool fIncludeHex) |
|
{ |
|
txnouttype type; |
|
std::vector<CTxDestination> addresses; |
|
int nRequired; |
|
|
|
out.pushKV("asm", ScriptToAsmStr(scriptPubKey)); |
|
if (fIncludeHex) |
|
out.pushKV("hex", HexStr(scriptPubKey.begin(), scriptPubKey.end())); |
|
|
|
if (!ExtractDestinations(scriptPubKey, type, addresses, nRequired)) { |
|
out.pushKV("type", GetTxnOutputType(type)); |
|
return; |
|
} |
|
|
|
out.pushKV("reqSigs", nRequired); |
|
out.pushKV("type", GetTxnOutputType(type)); |
|
|
|
UniValue a(UniValue::VARR); |
|
for (const CTxDestination& addr : addresses) |
|
a.push_back(CBitcoinAddress(addr).ToString()); |
|
out.pushKV("addresses", a); |
|
} |
|
|
|
void TxToUniv(const CTransaction& tx, const uint256& hashBlock, UniValue& entry) |
|
{ |
|
entry.pushKV("txid", tx.GetHash().GetHex()); |
|
entry.pushKV("hash", tx.GetWitnessHash().GetHex()); |
|
entry.pushKV("version", tx.nVersion); |
|
entry.pushKV("size", (int)::GetSerializeSize(tx, SER_NETWORK, PROTOCOL_VERSION)); |
|
entry.pushKV("vsize", (GetTransactionWeight(tx) + WITNESS_SCALE_FACTOR - 1) / WITNESS_SCALE_FACTOR); |
|
entry.pushKV("locktime", (int64_t)tx.nLockTime); |
|
|
|
UniValue vin(UniValue::VARR); |
|
for (unsigned int i = 0; i < tx.vin.size(); i++) { |
|
const CTxIn& txin = tx.vin[i]; |
|
UniValue in(UniValue::VOBJ); |
|
if (tx.IsCoinBase()) |
|
in.pushKV("coinbase", HexStr(txin.scriptSig.begin(), txin.scriptSig.end())); |
|
else { |
|
in.pushKV("txid", txin.prevout.hash.GetHex()); |
|
in.pushKV("vout", (int64_t)txin.prevout.n); |
|
UniValue o(UniValue::VOBJ); |
|
o.pushKV("asm", ScriptToAsmStr(txin.scriptSig, true)); |
|
o.pushKV("hex", HexStr(txin.scriptSig.begin(), txin.scriptSig.end())); |
|
in.pushKV("scriptSig", o); |
|
if (!tx.vin[i].scriptWitness.IsNull()) { |
|
UniValue txinwitness(UniValue::VARR); |
|
for (const auto& item : tx.vin[i].scriptWitness.stack) { |
|
txinwitness.push_back(HexStr(item.begin(), item.end())); |
|
} |
|
in.pushKV("txinwitness", txinwitness); |
|
} |
|
} |
|
in.pushKV("sequence", (int64_t)txin.nSequence); |
|
vin.push_back(in); |
|
} |
|
entry.pushKV("vin", vin); |
|
|
|
UniValue vout(UniValue::VARR); |
|
for (unsigned int i = 0; i < tx.vout.size(); i++) { |
|
const CTxOut& txout = tx.vout[i]; |
|
|
|
UniValue out(UniValue::VOBJ); |
|
|
|
UniValue outValue(UniValue::VNUM, FormatMoney(txout.nValue)); |
|
out.pushKV("value", outValue); |
|
out.pushKV("n", (int64_t)i); |
|
|
|
UniValue o(UniValue::VOBJ); |
|
ScriptPubKeyToUniv(txout.scriptPubKey, o, true); |
|
out.pushKV("scriptPubKey", o); |
|
vout.push_back(out); |
|
} |
|
entry.pushKV("vout", vout); |
|
|
|
if (!hashBlock.IsNull()) |
|
entry.pushKV("blockhash", hashBlock.GetHex()); |
|
|
|
entry.pushKV("hex", EncodeHexTx(tx)); // the hex-encoded transaction. used the name "hex" to be consistent with the verbose output of "getrawtransaction". |
|
}
|
|
|