1 files changed, 134 insertions, 0 deletions
diff --git a/src/core_write.cpp b/src/core_write.cpp
new file mode 100644
index 000000000..c3babec2f
--- /dev/null
+++ b/src/core_write.cpp
@@ -0,0 +1,134 @@
+// Copyright (c) 2009-2014 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/univalue.h"
+#include "util.h"
+#include "utilmoneystr.h"
+#include "utilstrencodings.h"
+
+#include <boost/foreach.hpp>
+
+using namespace std;
+
+string FormatScript(const CScript& script)
+{
+    string ret;
+    CScript::const_iterator it = script.begin();
+    opcodetype op;
+    while (it != script.end()) {
+        CScript::const_iterator it2 = it;
+        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_CHECKMULTISIGVERIFY) {
+                string str(GetOpName(op));
+                if (str.substr(0, 3) == string("OP_")) {
+                    ret += str.substr(3, 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);
+}
+
+string EncodeHexTx(const CTransaction& tx)
+{
+    CDataStream ssTx(SER_NETWORK, PROTOCOL_VERSION);
+    ssTx << tx;
+    return HexStr(ssTx.begin(), ssTx.end());
+}
+
+void ScriptPubKeyToUniv(const CScript& scriptPubKey,
+                        UniValue& out, bool fIncludeHex)
+{
+    txnouttype type;
+    vector<CTxDestination> addresses;
+    int nRequired;
+
+    out.pushKV("asm", scriptPubKey.ToString());
+    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);
+    BOOST_FOREACH(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("version", tx.nVersion);
+    entry.pushKV("locktime", (int64_t)tx.nLockTime);
+
+    UniValue vin(UniValue::VARR);
+    BOOST_FOREACH(const CTxIn& txin, tx.vin) {
+        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", txin.scriptSig.ToString());
+            o.pushKV("hex", HexStr(txin.scriptSig.begin(), txin.scriptSig.end()));
+            in.pushKV("scriptSig", o);
+        }
+        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".
+}