add validatepubkey RPC call
[novacoin.git] / src / bitcoinrpc.cpp
index 147e6b1..a8ad000 100644 (file)
@@ -1,7 +1,7 @@
 // Copyright (c) 2010 Satoshi Nakamoto
 // Copyright (c) 2009-2012 The Bitcoin developers
-// Copyright (c) 2011-2012 The PPCoin developers
-// Copyright (c) 2012-2013 The NovaCoin developers
+// Copyright (c) 2011-2013 The PPCoin developers
+// Copyright (c) 2013 NovaCoin Developers
 // Distributed under the MIT/X11 software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
@@ -47,8 +47,6 @@ static CCriticalSection cs_nWalletUnlockTime;
 extern Value dumpprivkey(const Array& params, bool fHelp);
 extern Value importprivkey(const Array& params, bool fHelp);
 
-extern CBigNum bnProofOfWorkLimit;
-
 Object JSONRPCError(int code, const string& message)
 {
     Object error;
@@ -156,6 +154,11 @@ Object blockToJSON(const CBlock& block, const CBlockIndex* blockindex, bool fPri
         result.push_back(Pair("previousblockhash", blockindex->pprev->GetBlockHash().GetHex()));
     if (blockindex->pnext)
         result.push_back(Pair("nextblockhash", blockindex->pnext->GetBlockHash().GetHex()));
+    result.push_back(Pair("flags", strprintf("%s%s", blockindex->IsProofOfStake()? "proof-of-stake" : "proof-of-work", blockindex->GeneratedStakeModifier()? " stake-modifier": "")));
+    result.push_back(Pair("proofhash", blockindex->IsProofOfStake()? blockindex->hashProofOfStake.GetHex() : blockindex->GetBlockHash().GetHex()));
+    result.push_back(Pair("entropybit", (int)blockindex->GetStakeEntropyBit()));
+    result.push_back(Pair("modifier", strprintf("%016"PRI64x, blockindex->nStakeModifier)));
+    result.push_back(Pair("modifierchecksum", strprintf("%08x", blockindex->nStakeModifierChecksum)));
     Array txinfo;
     BOOST_FOREACH (const CTransaction& tx, block.vtx)
     {
@@ -1019,7 +1022,7 @@ Value addmultisigaddress(const Array& params, bool fHelp)
     {
         string msg = "addmultisigaddress <nrequired> <'[\"key\",\"key\"]'> [account]\n"
             "Add a nrequired-to-sign multisignature address to the wallet\"\n"
-            "each key is a novacoin address or hex-encoded public key\n"
+            "each key is a bitcoin address or hex-encoded public key\n"
             "If [account] is specified, assign address to [account].";
         throw runtime_error(msg);
     }
@@ -1803,6 +1806,50 @@ Value validateaddress(const Array& params, bool fHelp)
     return ret;
 }
 
+Value validatepubkey(const Array& params, bool fHelp)
+{
+    if (fHelp || !params.size() || params.size() > 2)
+        throw runtime_error(
+            "validatepubkey <novacoinpubkey>\n"
+            "Return information about <novacoinpubkey>.");
+
+    std::vector<unsigned char> vchPubKey = ParseHex(params[0].get_str());
+    bool isValid;
+
+    if(vchPubKey.size() == 33) // Compressed key
+        isValid = (vchPubKey[0] == 0x02 || vchPubKey[0] == 0x03);
+    else if(vchPubKey.size() == 65) // Uncompressed key
+        isValid = vchPubKey[0] == 0x04;
+    else
+        isValid = false;
+
+    CBitcoinAddress address(vchPubKey);
+    isValid = isValid ? address.IsValid() : false;
+
+    Object ret;
+    ret.push_back(Pair("isvalid", isValid));
+    if (isValid)
+    {
+        // Call Hash160ToAddress() so we always return current ADDRESSVERSION
+        // version of the address:
+        string currentAddress = address.ToString();
+        ret.push_back(Pair("address", currentAddress));
+        if (pwalletMain->HaveKey(address))
+        {
+            ret.push_back(Pair("ismine", true));
+            CKey key;
+            key.SetPubKey(vchPubKey);
+            ret.push_back(Pair("iscompressed", key.IsCompressed()));
+        }
+        else
+            ret.push_back(Pair("ismine", false));
+        if (pwalletMain->mapAddressBook.count(address))
+            ret.push_back(Pair("account", pwalletMain->mapAddressBook[address]));
+    }
+    return ret;
+}
+
+
 Value getwork(const Array& params, bool fHelp)
 {
     if (fHelp || params.size() > 1)
@@ -1909,6 +1956,190 @@ Value getwork(const Array& params, bool fHelp)
     }
 }
 
+Value getblocktemplate(const Array& params, bool fHelp)
+{
+    if (fHelp || params.size() > 1)
+        throw runtime_error(
+            "getblocktemplate [params]\n"
+            "Returns data needed to construct a block to work on:\n"
+            "  \"version\" : block version\n"
+            "  \"previousblockhash\" : hash of current highest block\n"
+            "  \"transactions\" : contents of non-coinbase transactions that should be included in the next block\n"
+            "  \"coinbaseaux\" : data that should be included in coinbase\n"
+            "  \"coinbasevalue\" : maximum allowable input to coinbase transaction, including the generation award and transaction fees\n"
+            "  \"target\" : hash target\n"
+            "  \"mintime\" : minimum timestamp appropriate for next block\n"
+            "  \"curtime\" : current timestamp\n"
+            "  \"mutable\" : list of ways the block template may be changed\n"
+            "  \"noncerange\" : range of valid nonces\n"
+            "  \"sigoplimit\" : limit of sigops in blocks\n"
+            "  \"sizelimit\" : limit of block size\n"
+            "  \"bits\" : compressed target of next block\n"
+            "  \"height\" : height of the next block\n"
+            "See https://en.bitcoin.it/wiki/BIP_0022 for full specification.");
+
+    std::string strMode = "template";
+    if (params.size() > 0)
+    {
+        const Object& oparam = params[0].get_obj();
+        const Value& modeval = find_value(oparam, "mode");
+        if (modeval.type() == str_type)
+            strMode = modeval.get_str();
+        else
+            throw JSONRPCError(-8, "Invalid mode");
+    }
+
+    if (strMode != "template")
+        throw JSONRPCError(-8, "Invalid mode");
+
+    if (vNodes.empty())
+        throw JSONRPCError(-9, "NovaCoin is not connected!");
+
+    if (IsInitialBlockDownload())
+        throw JSONRPCError(-10, "NovaCoin is downloading blocks...");
+
+    static CReserveKey reservekey(pwalletMain);
+
+    // Update block
+    static unsigned int nTransactionsUpdatedLast;
+    static CBlockIndex* pindexPrev;
+    static int64 nStart;
+    static CBlock* pblock;
+    if (pindexPrev != pindexBest ||
+        (nTransactionsUpdated != nTransactionsUpdatedLast && GetTime() - nStart > 5))
+    {
+        // Clear pindexPrev so future calls make a new block, despite any failures from here on
+        pindexPrev = NULL;
+
+        // Store the pindexBest used before CreateNewBlock, to avoid races
+        nTransactionsUpdatedLast = nTransactionsUpdated;
+        CBlockIndex* pindexPrevNew = pindexBest;
+        nStart = GetTime();
+
+        // Create new block
+        if(pblock)
+        {
+            delete pblock;
+            pblock = NULL;
+        }
+        pblock = CreateNewBlock(pwalletMain);
+        if (!pblock)
+            throw JSONRPCError(-7, "Out of memory");
+
+        // Need to update only after we know CreateNewBlock succeeded
+        pindexPrev = pindexPrevNew;
+    }
+
+    // Update nTime
+    pblock->UpdateTime(pindexPrev);
+    pblock->nNonce = 0;
+
+    Array transactions;
+    map<uint256, int64_t> setTxIndex;
+    int i = 0;
+    CTxDB txdb("r");
+    BOOST_FOREACH (CTransaction& tx, pblock->vtx)
+    {
+        uint256 txHash = tx.GetHash();
+        setTxIndex[txHash] = i++;
+
+        if (tx.IsCoinBase() || tx.IsCoinStake())
+            continue;
+
+        Object entry;
+
+        CDataStream ssTx(SER_NETWORK, PROTOCOL_VERSION);
+        ssTx << tx;
+        entry.push_back(Pair("data", HexStr(ssTx.begin(), ssTx.end())));
+
+        entry.push_back(Pair("hash", txHash.GetHex()));
+
+        MapPrevTx mapInputs;
+        map<uint256, CTxIndex> mapUnused;
+        bool fInvalid = false;
+        if (tx.FetchInputs(txdb, mapUnused, false, false, mapInputs, fInvalid))
+        {
+            entry.push_back(Pair("fee", (int64_t)(tx.GetValueIn(mapInputs) - tx.GetValueOut())));
+
+            Array deps;
+            BOOST_FOREACH (MapPrevTx::value_type& inp, mapInputs)
+            {
+                if (setTxIndex.count(inp.first))
+                    deps.push_back(setTxIndex[inp.first]);
+            }
+            entry.push_back(Pair("depends", deps));
+
+            int64_t nSigOps = tx.GetLegacySigOpCount();
+            nSigOps += tx.GetP2SHSigOpCount(mapInputs);
+            entry.push_back(Pair("sigops", nSigOps));
+        }
+
+        transactions.push_back(entry);
+    }
+
+    Object aux;
+    aux.push_back(Pair("flags", HexStr(COINBASE_FLAGS.begin(), COINBASE_FLAGS.end())));
+
+    uint256 hashTarget = CBigNum().SetCompact(pblock->nBits).getuint256();
+
+    static Array aMutable;
+    if (aMutable.empty())
+    {
+        aMutable.push_back("time");
+        aMutable.push_back("transactions");
+        aMutable.push_back("prevblock");
+    }
+
+    Object result;
+    result.push_back(Pair("version", pblock->nVersion));
+    result.push_back(Pair("previousblockhash", pblock->hashPrevBlock.GetHex()));
+    result.push_back(Pair("transactions", transactions));
+    result.push_back(Pair("coinbaseaux", aux));
+    result.push_back(Pair("coinbasevalue", (int64_t)pblock->vtx[0].vout[0].nValue));
+    result.push_back(Pair("target", hashTarget.GetHex()));
+    result.push_back(Pair("mintime", (int64_t)pindexPrev->GetMedianTimePast()+1));
+    result.push_back(Pair("mutable", aMutable));
+    result.push_back(Pair("noncerange", "00000000ffffffff"));
+    result.push_back(Pair("sigoplimit", (int64_t)MAX_BLOCK_SIGOPS));
+    result.push_back(Pair("sizelimit", (int64_t)MAX_BLOCK_SIZE));
+    result.push_back(Pair("curtime", (int64_t)pblock->nTime));
+    result.push_back(Pair("bits", HexBits(pblock->nBits)));
+    result.push_back(Pair("height", (int64_t)(pindexPrev->nHeight+1)));
+
+    return result;
+}
+
+Value submitblock(const Array& params, bool fHelp)
+{
+    if (fHelp || params.size() < 1 || params.size() > 2)
+        throw runtime_error(
+            "submitblock <hex data> [optional-params-obj]\n"
+            "[optional-params-obj] parameter is currently ignored.\n"
+            "Attempts to submit new block to network.\n"
+            "See https://en.bitcoin.it/wiki/BIP_0022 for full specification.");
+
+    vector<unsigned char> blockData(ParseHex(params[0].get_str()));
+    CDataStream ssBlock(blockData, SER_NETWORK, PROTOCOL_VERSION);
+    CBlock block;
+    try {
+        ssBlock >> block;
+    }
+    catch (std::exception &e) {
+        throw JSONRPCError(-22, "Block decode failed");
+    }
+
+    static CReserveKey reservekey(pwalletMain);
+
+    if(!block.SignBlock(*pwalletMain))
+        throw JSONRPCError(-100, "Unable to sign block, wallet locked?");
+
+    bool fAccepted = CheckWork(&block, *pwalletMain, reservekey);
+    if (!fAccepted)
+        return "rejected";
+
+    return Value::null;
+}
+
 
 Value getmemorypool(const Array& params, bool fHelp)
 {
@@ -1992,10 +2223,42 @@ Value getmemorypool(const Array& params, bool fHelp)
         CBlock pblock;
         ssBlock >> pblock;
 
-        return ProcessBlock(NULL, &pblock);
+        static CReserveKey reservekey(pwalletMain);
+
+        if(!pblock.SignBlock(*pwalletMain))
+            throw JSONRPCError(-100, "Unable to sign block, wallet locked?");
+
+        return CheckWork(&pblock, *pwalletMain, reservekey);
     }
 }
 
+Value getnewpubkey(const Array& params, bool fHelp)
+{
+    if (fHelp || params.size() > 1)
+        throw runtime_error(
+            "getnewpubkey [account]\n"
+            "Returns new public key for coinbase generation.");
+
+    // Parse the account first so we don't generate a key if there's an error
+    string strAccount;
+    if (params.size() > 0)
+        strAccount = AccountFromValue(params[0]);
+
+    if (!pwalletMain->IsLocked())
+        pwalletMain->TopUpKeyPool();
+
+    // Generate a new key that is added to wallet
+    std::vector<unsigned char> newKey = pwalletMain->GenerateNewKey(false);
+
+    if(!newKey.size())
+        throw JSONRPCError(-12, "Error: Unable to create key");
+
+    CBitcoinAddress address(newKey);
+    pwalletMain->SetAddressBookName(address, strAccount);
+
+    return HexStr(newKey.begin(), newKey.end());
+}
+
 Value getblockhash(const Array& params, bool fHelp)
 {
     if (fHelp || params.size() != 1)
@@ -2035,6 +2298,30 @@ Value getblock(const Array& params, bool fHelp)
     return blockToJSON(block, pblockindex, params.size() > 1 ? params[1].get_bool() : false);
 }
 
+Value getblockbynumber(const Array& params, bool fHelp)
+{
+    if (fHelp || params.size() < 1 || params.size() > 2)
+        throw runtime_error(
+            "getblock <number> [txinfo]\n"
+            "txinfo optional to print more detailed tx info\n"
+            "Returns details of a block with given block-number.");
+
+    int nHeight = params[0].get_int();
+    if (nHeight < 0 || nHeight > nBestHeight)
+        throw runtime_error("Block number out of range.");
+
+    CBlock block;
+    CBlockIndex* pblockindex = mapBlockIndex[hashBestChain];
+    while (pblockindex->nHeight > nHeight)
+        pblockindex = pblockindex->pprev;
+
+    uint256 hash = *pblockindex->phashBlock;
+
+    pblockindex = mapBlockIndex[hash];
+    block.ReadFromDisk(pblockindex, true);
+
+    return blockToJSON(block, pblockindex, params.size() > 1 ? params[1].get_bool() : false);
+}
 
 // ppcoin: get information of sync-checkpoint
 Value getcheckpoint(const Array& params, bool fHelp)
@@ -2145,6 +2432,21 @@ Value repairwallet(const Array& params, bool fHelp)
     return result;
 }
 
+// NovaCoin: resend unconfirmed wallet transactions
+Value resendtx(const Array& params, bool fHelp)
+{
+    if (fHelp || params.size() > 1)
+        throw runtime_error(
+            "resendtx\n"
+            "Re-send unconfirmed transactions.\n"
+        );
+
+    ResendWalletTransactions();
+
+    return Value::null;
+}
+
+
 // ppcoin: make a public-private key pair
 Value makekeypair(const Array& params, bool fHelp)
 {
@@ -2264,6 +2566,7 @@ static const CRPCCommand vRPCCommands[] =
     { "getinfo",                &getinfo,                true },
     { "getmininginfo",          &getmininginfo,          true },
     { "getnewaddress",          &getnewaddress,          true },
+    { "getnewpubkey",           &getnewpubkey,           true },
     { "getaccountaddress",      &getaccountaddress,      true },
     { "setaccount",             &setaccount,             true },
     { "getaccount",             &getaccount,             false },
@@ -2280,6 +2583,7 @@ static const CRPCCommand vRPCCommands[] =
     { "walletlock",             &walletlock,             true },
     { "encryptwallet",          &encryptwallet,          false },
     { "validateaddress",        &validateaddress,        true },
+    { "validatepubkey",         &validatepubkey,         true },
     { "getbalance",             &getbalance,             false },
     { "move",                   &movecmd,                false },
     { "sendfrom",               &sendfrom,               false },
@@ -2287,6 +2591,7 @@ static const CRPCCommand vRPCCommands[] =
     { "addmultisigaddress",     &addmultisigaddress,     false },
     { "getblock",               &getblock,               false },
     { "getblockhash",           &getblockhash,           false },
+    { "getblockbynumber",       &getblockbynumber,       false },
     { "gettransaction",         &gettransaction,         false },
     { "listtransactions",       &listtransactions,       false },
     { "signmessage",            &signmessage,            false },
@@ -2295,6 +2600,8 @@ static const CRPCCommand vRPCCommands[] =
     { "listaccounts",           &listaccounts,           false },
     { "settxfee",               &settxfee,               false },
     { "getmemorypool",          &getmemorypool,          true },
+    { "getblocktemplate",       &getblocktemplate,       true },
+    { "submitblock",            &submitblock,            false },
     { "listsinceblock",         &listsinceblock,         false },
     { "dumpprivkey",            &dumpprivkey,            false },
     { "importprivkey",          &importprivkey,          false },
@@ -2302,6 +2609,7 @@ static const CRPCCommand vRPCCommands[] =
     { "reservebalance",         &reservebalance,         false},
     { "checkwallet",            &checkwallet,            false},
     { "repairwallet",           &repairwallet,           false},
+    { "resendtx",               &resendtx,               false},
     { "makekeypair",            &makekeypair,            false},
     { "sendalert",              &sendalert,              false},
 };
@@ -2617,7 +2925,7 @@ void ThreadRPCServer2(void* parg)
         ThreadSafeMessageBox(strprintf(
             _("%s, you must set a rpcpassword in the configuration file:\n %s\n"
               "It is recommended you use the following random password:\n"
-              "rpcuser=bitcoinrpc\n"
+              "rpcuser=novarpc\n"
               "rpcpassword=%s\n"
               "(you do not need to remember this password)\n"
               "If the file does not exist, create it with owner-readable-only file permissions.\n"),
@@ -2907,6 +3215,8 @@ int CommandLineRPC(int argc, char *argv[])
         if (strMethod == "listreceivedbyaccount"  && n > 1) ConvertTo<bool>(params[1]);
         if (strMethod == "getbalance"             && n > 1) ConvertTo<boost::int64_t>(params[1]);
         if (strMethod == "getblockhash"           && n > 0) ConvertTo<boost::int64_t>(params[0]);
+        if (strMethod == "getblockbynumber"       && n > 0) ConvertTo<boost::int64_t>(params[0]);
+        if (strMethod == "getblockbynumber"       && n > 1) ConvertTo<bool>(params[1]);
         if (strMethod == "getblock"               && n > 1) ConvertTo<bool>(params[1]);
         if (strMethod == "move"                   && n > 2) ConvertTo<double>(params[2]);
         if (strMethod == "move"                   && n > 3) ConvertTo<boost::int64_t>(params[3]);