src/core_write.cpp

   1 // Copyright (c) 2009-2014 The Bitcoin Core developers
   2 // Distributed under the MIT software license, see the accompanying
   3 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
   4
   5 #include "core_io.h"
   6
   7 #include "base58.h"
   8 #include "primitives/transaction.h"
   9 #include "script/script.h"
  10 #include "script/standard.h"
  11 #include "serialize.h"
  12 #include "streams.h"
  13 #include "univalue/univalue.h"
  14 #include "util.h"
  15 #include "utilmoneystr.h"
  16 #include "utilstrencodings.h"
  17
  18 #include <boost/foreach.hpp>
  19
  20 using namespace std;
  21
  22 string FormatScript(const CScript& script)
  23 {
  24     string ret;
  25     CScript::const_iterator it = script.begin();
  26     opcodetype op;
  27     while (it != script.end()) {
  28         CScript::const_iterator it2 = it;
  29         vector<unsigned char> vch;
  30         if (script.GetOp2(it, op, &vch)) {
  31             if (op == OP_0) {
  32                 ret += "0 ";
  33                 continue;
  34             } else if ((op >= OP_1 && op <= OP_16) || op == OP_1NEGATE) {
  35                 ret += strprintf("%i ", op - OP_1NEGATE - 1);
  36                 continue;
  37             } else if (op >= OP_NOP && op <= OP_CHECKMULTISIGVERIFY) {
  38                 string str(GetOpName(op));
  39                 if (str.substr(0, 3) == string("OP_")) {
  40                     ret += str.substr(3, string::npos) + " ";
  41                     continue;
  42                 }
  43             }
  44             if (vch.size() > 0) {
  45                 ret += strprintf("0x%x 0x%x ", HexStr(it2, it - vch.size()), HexStr(it - vch.size(), it));
  46             } else {
  47                 ret += strprintf("0x%x", HexStr(it2, it));
  48             }
  49             continue;
  50         }
  51         ret += strprintf("0x%x ", HexStr(it2, script.end()));
  52         break;
  53     }
  54     return ret.substr(0, ret.size() - 1);
  55 }
  56
  57 string EncodeHexTx(const CTransaction& tx)
  58 {
  59     CDataStream ssTx(SER_NETWORK, PROTOCOL_VERSION);
  60     ssTx << tx;
  61     return HexStr(ssTx.begin(), ssTx.end());
  62 }
  63
  64 void ScriptPubKeyToUniv(const CScript& scriptPubKey,
  65                         UniValue& out, bool fIncludeHex)
  66 {
  67     txnouttype type;
  68     vector<CTxDestination> addresses;
  69     int nRequired;
  70
  71     out.pushKV("asm", scriptPubKey.ToString());
  72     if (fIncludeHex)
  73         out.pushKV("hex", HexStr(scriptPubKey.begin(), scriptPubKey.end()));
  74
  75     if (!ExtractDestinations(scriptPubKey, type, addresses, nRequired)) {
  76         out.pushKV("type", GetTxnOutputType(type));
  77         return;
  78     }
  79
  80     out.pushKV("reqSigs", nRequired);
  81     out.pushKV("type", GetTxnOutputType(type));
  82
  83     UniValue a(UniValue::VARR);
  84     BOOST_FOREACH(const CTxDestination& addr, addresses)
  85         a.push_back(CBitcoinAddress(addr).ToString());
  86     out.pushKV("addresses", a);
  87 }
  88
  89 void TxToUniv(const CTransaction& tx, const uint256& hashBlock, UniValue& entry)
  90 {
  91     entry.pushKV("txid", tx.GetHash().GetHex());
  92     entry.pushKV("version", tx.nVersion);
  93     entry.pushKV("locktime", (int64_t)tx.nLockTime);
  94
  95     UniValue vin(UniValue::VARR);
  96     BOOST_FOREACH(const CTxIn& txin, tx.vin) {
  97         UniValue in(UniValue::VOBJ);
  98         if (tx.IsCoinBase())
  99             in.pushKV("coinbase", HexStr(txin.scriptSig.begin(), txin.scriptSig.end()));
 100         else {
 101             in.pushKV("txid", txin.prevout.hash.GetHex());
 102             in.pushKV("vout", (int64_t)txin.prevout.n);
 103             UniValue o(UniValue::VOBJ);
 104             o.pushKV("asm", txin.scriptSig.ToString());
 105             o.pushKV("hex", HexStr(txin.scriptSig.begin(), txin.scriptSig.end()));
 106             in.pushKV("scriptSig", o);
 107         }
 108         in.pushKV("sequence", (int64_t)txin.nSequence);
 109         vin.push_back(in);
 110     }
 111     entry.pushKV("vin", vin);
 112
 113     UniValue vout(UniValue::VARR);
 114     for (unsigned int i = 0; i < tx.vout.size(); i++) {
 115         const CTxOut& txout = tx.vout[i];
 116
 117         UniValue out(UniValue::VOBJ);
 118
 119         UniValue outValue(UniValue::VNUM, FormatMoney(txout.nValue));
 120         out.pushKV("value", outValue);
 121         out.pushKV("n", (int64_t)i);
 122
 123         UniValue o(UniValue::VOBJ);
 124         ScriptPubKeyToUniv(txout.scriptPubKey, o, true);
 125         out.pushKV("scriptPubKey", o);
 126         vout.push_back(out);
 127     }
 128     entry.pushKV("vout", vout);
 129
 130     if (!hashBlock.IsNull())
 131         entry.pushKV("blockhash", hashBlock.GetHex());
 132
 133     entry.pushKV("hex", EncodeHexTx(tx)); // the hex-encoded transaction. used the name "hex" to be consistent with the verbose output of "getrawtransaction".
 134 }