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);
BOOST_FOREACH(const CTxDestination& addr, addresses)
a.push_back(CSyscoinAddress(addr).ToString());
out.pushKV("addresses", a);
}
UniValue generate(const UniValue& params, bool fHelp)
{
if (fHelp || params.size() < 1 || params.size() > 1)
throw runtime_error(
"generate numblocks\n"
"\nMine blocks immediately (before the RPC call returns)\n"
"\nNote: this function can only be used on the regtest network\n"
"1. numblocks (numeric) How many blocks are generated immediately.\n"
"\nResult\n"
"[ blockhashes ] (array) hashes of blocks generated\n"
"\nExamples:\n"
"\nGenerate 11 blocks\n"
+ HelpExampleCli("generate", "11")
);
if (!Params().MineBlocksOnDemand())
throw JSONRPCError(RPC_METHOD_NOT_FOUND, "This method can only be used on regtest");
int nHeightStart = 0;
int nHeightEnd = 0;
int nHeight = 0;
int nGenerate = params[0].get_int();
boost::shared_ptr<CReserveScript> coinbaseScript;
GetMainSignals().ScriptForMining(coinbaseScript);
//throw an error if no script was provided
if (!coinbaseScript->reserveScript.size())
throw JSONRPCError(RPC_INTERNAL_ERROR, "No coinbase script available (mining requires a wallet)");
{ // Don't keep cs_main locked
LOCK(cs_main);
nHeightStart = chainActive.Height();
nHeight = nHeightStart;
nHeightEnd = nHeightStart+nGenerate;
}
unsigned int nExtraNonce = 0;
UniValue blockHashes(UniValue::VARR);
while (nHeight < nHeightEnd)
{
auto_ptr<CBlockTemplate> pblocktemplate(CreateNewBlock(coinbaseScript->reserveScript));
if (!pblocktemplate.get())
throw JSONRPCError(RPC_INTERNAL_ERROR, "Couldn't create new block");
CBlock *pblock = &pblocktemplate->block;
{
LOCK(cs_main);
IncrementExtraNonce(pblock, chainActive.Tip(), nExtraNonce);
}
while (!CheckProofOfWork(pblock->GetHash(), pblock->nBits, Params().GetConsensus())) {
// Yes, there is a chance every nonce could fail to satisfy the -regtest
// target -- 1 in 2^(2^32). That ain't gonna happen.
++pblock->nNonce;
}
CValidationState state;
if (!ProcessNewBlock(state, NULL, pblock, true, NULL))
throw JSONRPCError(RPC_INTERNAL_ERROR, "ProcessNewBlock, block not accepted");
++nHeight;
blockHashes.push_back(pblock->GetHash().GetHex());
//mark script as important because it was used at least for one coinbase output
coinbaseScript->KeepScript();
}
return blockHashes;
}
static bool HTTPReq_JSONRPC(HTTPRequest* req, const std::string &)
{
// JSONRPC handles only POST
if (req->GetRequestMethod() != HTTPRequest::POST) {
req->WriteReply(HTTP_BAD_METHOD, "JSONRPC server handles only POST requests");
return false;
}
// Check authorization
std::pair<bool, std::string> authHeader = req->GetHeader("authorization");
if (!authHeader.first) {
req->WriteHeader("WWW-Authenticate", WWW_AUTH_HEADER_DATA);
req->WriteReply(HTTP_UNAUTHORIZED);
return false;
}
JSONRPCRequest jreq;
if (!RPCAuthorized(authHeader.second, jreq.authUser)) {
LogPrintf("ThreadRPCServer incorrect password attempt from %s\n", req->GetPeer().ToString());
/* Deter brute-forcing
If this results in a DoS the user really
shouldn't have their RPC port exposed. */
MilliSleep(250);
req->WriteHeader("WWW-Authenticate", WWW_AUTH_HEADER_DATA);
req->WriteReply(HTTP_UNAUTHORIZED);
return false;
}
try {
// Parse request
UniValue valRequest;
if (!valRequest.read(req->ReadBody()))
throw JSONRPCError(RPC_PARSE_ERROR, "Parse error");
// Set the URI
jreq.URI = req->GetURI();
std::string strReply;
// singleton request
if (valRequest.isObject()) {
jreq.parse(valRequest);
UniValue result = tableRPC.execute(jreq);
// Send reply
strReply = JSONRPCReply(result, NullUniValue, jreq.id);
// array of requests
} else if (valRequest.isArray())
strReply = JSONRPCExecBatch(jreq, valRequest.get_array());
else
throw JSONRPCError(RPC_PARSE_ERROR, "Top-level object parse error");
req->WriteHeader("Content-Type", "application/json");
req->WriteReply(HTTP_OK, strReply);
} catch (const UniValue& objError) {
JSONErrorReply(req, objError, jreq.id);
return false;
} catch (const std::exception& e) {
JSONErrorReply(req, JSONRPCError(RPC_PARSE_ERROR, e.what()), jreq.id);
return false;
}
return true;
}
int CommandLineRPC(int argc, char *argv[])
{
string strPrint;
int nRet = 0;
try {
// Skip switches
while (argc > 1 && IsSwitchChar(argv[1][0])) {
argc--;
argv++;
}
std::vector<std::string> args = std::vector<std::string>(&argv[1], &argv[argc]);
if (GetBoolArg("-stdin", false)) {
// Read one arg per line from stdin and append
std::string line;
while (std::getline(std::cin,line))
args.push_back(line);
}
if (args.size() < 1)
throw runtime_error("too few parameters (need at least command)");
std::string strMethod = args[0];
UniValue params = RPCConvertValues(strMethod, std::vector<std::string>(args.begin()+1, args.end()));
// Execute and handle connection failures with -rpcwait
const bool fWait = GetBoolArg("-rpcwait", false);
do {
try {
const UniValue reply = CallRPC(strMethod, params);
// Parse reply
const UniValue& result = find_value(reply, "result");
const UniValue& error = find_value(reply, "error");
if (!error.isNull()) {
// Error
int code = error["code"].get_int();
if (fWait && code == RPC_IN_WARMUP)
throw CConnectionFailed("server in warmup");
strPrint = "error: " + error.write();
nRet = abs(code);
if (error.isObject())
{
UniValue errCode = find_value(error, "code");
UniValue errMsg = find_value(error, "message");
strPrint = errCode.isNull() ? "" : "error code: "+errCode.getValStr()+"\n";
if (errMsg.isStr())
strPrint += "error message:\n"+errMsg.get_str();
}
} else {
// Result
if (result.isNull())
strPrint = "";
else if (result.isStr())
strPrint = result.get_str();
else
strPrint = result.write(2);
}
// Connection succeeded, no need to retry.
break;
}
catch (const CConnectionFailed&) {
if (fWait)
MilliSleep(1000);
else
throw;
}
} while (fWait);
}
catch (const boost::thread_interrupted&) {
throw;
}
catch (const std::exception& e) {
strPrint = string("error: ") + e.what();
nRet = EXIT_FAILURE;
}
catch (...) {
PrintExceptionContinue(NULL, "CommandLineRPC()");
throw;
}
if (strPrint != "") {
fprintf((nRet == 0 ? stdout : stderr), "%s\n", strPrint.c_str());
}
return nRet;
}
UniValue signrawtransaction(const UniValue& params, bool fHelp)
{
if (fHelp || params.size() < 1 || params.size() > 4)
throw runtime_error(
"signrawtransaction \"hexstring\" ( [{\"txid\":\"id\",\"vout\":n,\"scriptPubKey\":\"hex\",\"redeemScript\":\"hex\"},...] [\"privatekey1\",...] sighashtype )\n"
"\nSign inputs for raw transaction (serialized, hex-encoded).\n"
"The second optional argument (may be null) is an array of previous transaction outputs that\n"
"this transaction depends on but may not yet be in the block chain.\n"
"The third optional argument (may be null) is an array of base58-encoded private\n"
"keys that, if given, will be the only keys used to sign the transaction.\n"
#ifdef ENABLE_WALLET
+ HelpRequiringPassphrase() + "\n"
#endif
"\nArguments:\n"
"1. \"hexstring\" (string, required) The transaction hex string\n"
"2. \"prevtxs\" (string, optional) An json array of previous dependent transaction outputs\n"
" [ (json array of json objects, or 'null' if none provided)\n"
" {\n"
" \"txid\":\"id\", (string, required) The transaction id\n"
" \"vout\":n, (numeric, required) The output number\n"
" \"scriptPubKey\": \"hex\", (string, required) script key\n"
" \"redeemScript\": \"hex\", (string, required for P2SH or P2WSH) redeem script\n"
" \"amount\": value (numeric, required) The amount spent\n"
" }\n"
" ,...\n"
" ]\n"
"3. \"privatekeys\" (string, optional) A json array of base58-encoded private keys for signing\n"
" [ (json array of strings, or 'null' if none provided)\n"
" \"privatekey\" (string) private key in base58-encoding\n"
" ,...\n"
" ]\n"
"4. \"sighashtype\" (string, optional, default=ALL) The signature hash type. Must be one of\n"
" \"ALL\"\n"
" \"NONE\"\n"
" \"SINGLE\"\n"
" \"ALL|ANYONECANPAY\"\n"
" \"NONE|ANYONECANPAY\"\n"
" \"SINGLE|ANYONECANPAY\"\n"
"\nResult:\n"
"{\n"
" \"hex\" : \"value\", (string) The hex-encoded raw transaction with signature(s)\n"
" \"complete\" : true|false, (boolean) If the transaction has a complete set of signatures\n"
" \"errors\" : [ (json array of objects) Script verification errors (if there are any)\n"
" {\n"
" \"txid\" : \"hash\", (string) The hash of the referenced, previous transaction\n"
" \"vout\" : n, (numeric) The index of the output to spent and used as input\n"
" \"scriptSig\" : \"hex\", (string) The hex-encoded signature script\n"
" \"sequence\" : n, (numeric) Script sequence number\n"
" \"error\" : \"text\" (string) Verification or signing error related to the input\n"
" }\n"
" ,...\n"
" ]\n"
"}\n"
"\nExamples:\n"
+ HelpExampleCli("signrawtransaction", "\"myhex\"")
+ HelpExampleRpc("signrawtransaction", "\"myhex\"")
);
#ifdef ENABLE_WALLET
LOCK2(cs_main, pwalletMain ? &pwalletMain->cs_wallet : NULL);
#else
LOCK(cs_main);
#endif
RPCTypeCheck(params, boost::assign::list_of(UniValue::VSTR)(UniValue::VARR)(UniValue::VARR)(UniValue::VSTR), true);
vector<unsigned char> txData(ParseHexV(params[0], "argument 1"));
CDataStream ssData(txData, SER_NETWORK, PROTOCOL_VERSION);
vector<CMutableTransaction> txVariants;
while (!ssData.empty()) {
try {
CMutableTransaction tx;
ssData >> tx;
txVariants.push_back(tx);
}
catch (const std::exception&) {
throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "TX decode failed");
}
}
if (txVariants.empty())
throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "Missing transaction");
// mergedTx will end up with all the signatures; it
// starts as a clone of the rawtx:
CMutableTransaction mergedTx(txVariants[0]);
// Fetch previous transactions (inputs):
CCoinsView viewDummy;
CCoinsViewCache view(&viewDummy);
{
LOCK(mempool.cs);
CCoinsViewCache &viewChain = *pcoinsTip;
CCoinsViewMemPool viewMempool(&viewChain, mempool);
view.SetBackend(viewMempool); // temporarily switch cache backend to db+mempool view
BOOST_FOREACH(const CTxIn& txin, mergedTx.vin) {
const uint256& prevHash = txin.prevout.hash;
CCoins coins;
view.AccessCoins(prevHash); // this is certainly allowed to fail
}
view.SetBackend(viewDummy); // switch back to avoid locking mempool for too long
}
bool fGivenKeys = false;
CBasicKeyStore tempKeystore;
if (params.size() > 2 && !params[2].isNull()) {
fGivenKeys = true;
UniValue keys = params[2].get_array();
for (unsigned int idx = 0; idx < keys.size(); idx++) {
UniValue k = keys[idx];
CBitcoinSecret vchSecret;
bool fGood = vchSecret.SetString(k.get_str());
if (!fGood)
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid private key");
CKey key = vchSecret.GetKey();
if (!key.IsValid())
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Private key outside allowed range");
tempKeystore.AddKey(key);
}
}
#ifdef ENABLE_WALLET
else if (pwalletMain)
EnsureWalletIsUnlocked();
#endif
// Add previous txouts given in the RPC call:
if (params.size() > 1 && !params[1].isNull()) {
UniValue prevTxs = params[1].get_array();
for (unsigned int idx = 0; idx < prevTxs.size(); idx++) {
const UniValue& p = prevTxs[idx];
if (!p.isObject())
throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "expected object with {\"txid'\",\"vout\",\"scriptPubKey\"}");
UniValue prevOut = p.get_obj();
RPCTypeCheckObj(prevOut,
{
{"txid", UniValueType(UniValue::VSTR)},
{"vout", UniValueType(UniValue::VNUM)},
{"scriptPubKey", UniValueType(UniValue::VSTR)},
});
uint256 txid = ParseHashO(prevOut, "txid");
int nOut = find_value(prevOut, "vout").get_int();
if (nOut < 0)
throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "vout must be positive");
vector<unsigned char> pkData(ParseHexO(prevOut, "scriptPubKey"));
CScript scriptPubKey(pkData.begin(), pkData.end());
{
CCoinsModifier coins = view.ModifyCoins(txid);
if (coins->IsAvailable(nOut) && coins->vout[nOut].scriptPubKey != scriptPubKey) {
string err("Previous output scriptPubKey mismatch:\n");
err = err + ScriptToAsmStr(coins->vout[nOut].scriptPubKey) + "\nvs:\n"+
ScriptToAsmStr(scriptPubKey);
throw JSONRPCError(RPC_DESERIALIZATION_ERROR, err);
}
if ((unsigned int)nOut >= coins->vout.size())
coins->vout.resize(nOut+1);
coins->vout[nOut].scriptPubKey = scriptPubKey;
coins->vout[nOut].nValue = 0;
if (prevOut.exists("amount")) {
coins->vout[nOut].nValue = AmountFromValue(find_value(prevOut, "amount"));
}
}
// if redeemScript given and not using the local wallet (private keys
// given), add redeemScript to the tempKeystore so it can be signed:
if (fGivenKeys && (scriptPubKey.IsPayToScriptHash() || scriptPubKey.IsPayToWitnessScriptHash())) {
RPCTypeCheckObj(prevOut,
{
{"txid", UniValueType(UniValue::VSTR)},
{"vout", UniValueType(UniValue::VNUM)},
{"scriptPubKey", UniValueType(UniValue::VSTR)},
{"redeemScript", UniValueType(UniValue::VSTR)},
});
UniValue v = find_value(prevOut, "redeemScript");
if (!v.isNull()) {
vector<unsigned char> rsData(ParseHexV(v, "redeemScript"));
CScript redeemScript(rsData.begin(), rsData.end());
tempKeystore.AddCScript(redeemScript);
}
}
}
}
#ifdef ENABLE_WALLET
const CKeyStore& keystore = ((fGivenKeys || !pwalletMain) ? tempKeystore : *pwalletMain);
#else
const CKeyStore& keystore = tempKeystore;
#endif
int nHashType = SIGHASH_ALL;
if (params.size() > 3 && !params[3].isNull()) {
static map<string, int> mapSigHashValues =
boost::assign::map_list_of
(string("ALL"), int(SIGHASH_ALL))
(string("ALL|ANYONECANPAY"), int(SIGHASH_ALL|SIGHASH_ANYONECANPAY))
(string("NONE"), int(SIGHASH_NONE))
(string("NONE|ANYONECANPAY"), int(SIGHASH_NONE|SIGHASH_ANYONECANPAY))
(string("SINGLE"), int(SIGHASH_SINGLE))
(string("SINGLE|ANYONECANPAY"), int(SIGHASH_SINGLE|SIGHASH_ANYONECANPAY))
;
string strHashType = params[3].get_str();
if (mapSigHashValues.count(strHashType))
nHashType = mapSigHashValues[strHashType];
else
throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid sighash param");
}
bool fHashSingle = ((nHashType & ~SIGHASH_ANYONECANPAY) == SIGHASH_SINGLE);
// Script verification errors
UniValue vErrors(UniValue::VARR);
// Use CTransaction for the constant parts of the
// transaction to avoid rehashing.
const CTransaction txConst(mergedTx);
// Sign what we can:
for (unsigned int i = 0; i < mergedTx.vin.size(); i++) {
CTxIn& txin = mergedTx.vin[i];
const CCoins* coins = view.AccessCoins(txin.prevout.hash);
if (coins == NULL || !coins->IsAvailable(txin.prevout.n)) {
TxInErrorToJSON(txin, vErrors, "Input not found or already spent");
continue;
}
const CScript& prevPubKey = coins->vout[txin.prevout.n].scriptPubKey;
const CAmount& amount = coins->vout[txin.prevout.n].nValue;
SignatureData sigdata;
// Only sign SIGHASH_SINGLE if there's a corresponding output:
if (!fHashSingle || (i < mergedTx.vout.size()))
ProduceSignature(MutableTransactionSignatureCreator(&keystore, &mergedTx, i, amount, nHashType), prevPubKey, sigdata);
// ... and merge in other signatures:
BOOST_FOREACH(const CMutableTransaction& txv, txVariants) {
sigdata = CombineSignatures(prevPubKey, TransactionSignatureChecker(&txConst, i, amount), sigdata, DataFromTransaction(txv, i));
}
UpdateTransaction(mergedTx, i, sigdata);
ScriptError serror = SCRIPT_ERR_OK;
if (!VerifyScript(txin.scriptSig, prevPubKey, mergedTx.wit.vtxinwit.size() > i ? &mergedTx.wit.vtxinwit[i].scriptWitness : NULL, STANDARD_SCRIPT_VERIFY_FLAGS, TransactionSignatureChecker(&txConst, i, amount), &serror)) {
TxInErrorToJSON(txin, vErrors, ScriptErrorString(serror));
}
}
UniValue createrawtransaction(const UniValue& params, bool fHelp)
{
if (fHelp || params.size() < 3 || params.size() > 4)
throw runtime_error(
"createrawtransaction [{\"txid\":\"id\",\"vout\":n},...] {\"address\":amount,\"data\":\"hex\",...} ( locktime )\n"
"\nCreate a transaction spending the given inputs and creating new outputs.\n"
"Outputs can be addresses or data.\n"
"Returns hex-encoded raw transaction.\n"
"Note that the transaction's inputs are not signed, and\n"
"it is not stored in the wallet or transmitted to the network.\n"
"\nArguments:\n"
"1. \"transactions\" (string, required) A json array of json objects\n"
" [\n"
" {\n"
" \"txid\":\"id\", (string, required) The transaction id\n"
" \"vout\":n (numeric, required) The output number\n"
" \"sequence\":n (numeric, optional) The sequence number\n"
" }\n"
" ,...\n"
" ]\n"
"2. \"outputs\" (string, required) a json object with outputs\n"
" {\n"
" \"address\": x.xxx (numeric or string, required) The key is the florincoin address, the numeric value (can be string) is the " + CURRENCY_UNIT + " amount\n"
" \"data\": \"hex\", (string, required) The key is \"data\", the value is hex encoded data\n"
" ...\n"
" }\n"
"3. locktime (numeric, optional, default=0) Raw locktime. Non-0 value also locktime-activates inputs\n"
"4. tx-comment (string, optional) Transaction comment\n"
"\nResult:\n"
"\"transaction\" (string) hex string of the transaction\n"
"\nExamples\n"
+ HelpExampleCli("createrawtransaction", "\"[{\\\"txid\\\":\\\"myid\\\",\\\"vout\\\":0}]\" \"{\\\"address\\\":0.01}\"")
+ HelpExampleCli("createrawtransaction", "\"[{\\\"txid\\\":\\\"myid\\\",\\\"vout\\\":0}]\" \"{\\\"data\\\":\\\"00010203\\\"}\"")
+ HelpExampleRpc("createrawtransaction", "\"[{\\\"txid\\\":\\\"myid\\\",\\\"vout\\\":0}]\", \"{\\\"address\\\":0.01}\"")
+ HelpExampleRpc("createrawtransaction", "\"[{\\\"txid\\\":\\\"myid\\\",\\\"vout\\\":0}]\", \"{\\\"data\\\":\\\"00010203\\\"}\"")
);
RPCTypeCheck(params, boost::assign::list_of(UniValue::VARR)(UniValue::VOBJ)(UniValue::VNUM), true);
if (params[0].isNull() || params[1].isNull())
throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid parameter, arguments 1 and 2 must be non-null");
UniValue inputs = params[0].get_array();
UniValue sendTo = params[1].get_obj();
CMutableTransaction rawTx;
// Florincoin: include tx-comment in rawTx
if (params.size() == 4) {
std::string txcomment = params[3].get_str();
if (txcomment.length() > CTransaction::MAX_TX_COMMENT_LEN_V2)
{
txcomment.resize(CTransaction::MAX_TX_COMMENT_LEN_V2);
}
rawTx.strTxComment = txcomment;
}
if (params.size() > 2 && !params[2].isNull()) {
int64_t nLockTime = params[2].get_int64();
if (nLockTime < 0 || nLockTime > std::numeric_limits<uint32_t>::max())
throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid parameter, locktime out of range");
rawTx.nLockTime = nLockTime;
}
for (unsigned int idx = 0; idx < inputs.size(); idx++) {
const UniValue& input = inputs[idx];
const UniValue& o = input.get_obj();
uint256 txid = ParseHashO(o, "txid");
const UniValue& vout_v = find_value(o, "vout");
if (!vout_v.isNum())
throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid parameter, missing vout key");
int nOutput = vout_v.get_int();
if (nOutput < 0)
throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid parameter, vout must be positive");
uint32_t nSequence = (rawTx.nLockTime ? std::numeric_limits<uint32_t>::max() - 1 : std::numeric_limits<uint32_t>::max());
// set the sequence number if passed in the parameters object
const UniValue& sequenceObj = find_value(o, "sequence");
if (sequenceObj.isNum()) {
int64_t seqNr64 = sequenceObj.get_int64();
if (seqNr64 < 0 || seqNr64 > std::numeric_limits<uint32_t>::max())
throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid parameter, sequence number is out of range");
else
nSequence = (uint32_t)seqNr64;
}
CTxIn in(COutPoint(txid, nOutput), CScript(), nSequence);
rawTx.vin.push_back(in);
}
set<CBitcoinAddress> setAddress;
vector<string> addrList = sendTo.getKeys();
BOOST_FOREACH(const string& name_, addrList) {
if (name_ == "data") {
std::vector<unsigned char> data = ParseHexV(sendTo[name_].getValStr(),"Data");
CTxOut out(0, CScript() << OP_RETURN << data);
rawTx.vout.push_back(out);
} else {
CBitcoinAddress address(name_);
if (!address.IsValid())
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, string("Invalid Florincoin address: ")+name_);
if (setAddress.count(address))
throw JSONRPCError(RPC_INVALID_PARAMETER, string("Invalid parameter, duplicated address: ")+name_);
setAddress.insert(address);
CScript scriptPubKey = GetScriptForDestination(address.Get());
CAmount nAmount = AmountFromValue(sendTo[name_]);
CTxOut out(nAmount, scriptPubKey);
rawTx.vout.push_back(out);
}
}
return EncodeHexTx(rawTx);
}
UniValue getrawtransaction(const UniValue& params, bool fHelp)
{
if (fHelp || params.size() < 1 || params.size() > 2)
throw runtime_error(
"getrawtransaction \"txid\" ( verbose )\n"
"\nNOTE: By default this function only works sometimes. This is when the tx is in the mempool\n"
"or there is an unspent output in the utxo for this transaction. To make it always work,\n"
"you need to maintain a transaction index, using the -txindex command line option.\n"
"\nReturn the raw transaction data.\n"
"\nIf verbose=0, returns a string that is serialized, hex-encoded data for 'txid'.\n"
"If verbose is non-zero, returns an Object with information about 'txid'.\n"
"\nArguments:\n"
"1. \"txid\" (string, required) The transaction id\n"
"2. verbose (numeric, optional, default=0) If 0, return a string, other return a json object\n"
"\nResult (if verbose is not set or set to 0):\n"
"\"data\" (string) The serialized, hex-encoded data for 'txid'\n"
"\nResult (if verbose > 0):\n"
"{\n"
" \"hex\" : \"data\", (string) The serialized, hex-encoded data for 'txid'\n"
" \"txid\" : \"id\", (string) The transaction id (same as provided)\n"
" \"hash\" : \"id\", (string) The transaction hash (differs from txid for witness transactions)\n"
" \"size\" : n, (numeric) The serialized transaction size\n"
" \"vsize\" : n, (numeric) The virtual transaction size (differs from size for witness transactions)\n"
" \"version\" : n, (numeric) The version\n"
" \"locktime\" : ttt, (numeric) The lock time\n"
" \"vin\" : [ (array of json objects)\n"
" {\n"
" \"txid\": \"id\", (string) The transaction id\n"
" \"vout\": n, (numeric) \n"
" \"scriptSig\": { (json object) The script\n"
" \"asm\": \"asm\", (string) asm\n"
" \"hex\": \"hex\" (string) hex\n"
" },\n"
" \"sequence\": n (numeric) The script sequence number\n"
" \"txinwitness\": [\"hex\", ...] (array of string) hex-encoded witness data (if any)\n"
" }\n"
" ,...\n"
" ],\n"
" \"vout\" : [ (array of json objects)\n"
" {\n"
" \"value\" : x.xxx, (numeric) The value in " + CURRENCY_UNIT + "\n"
" \"n\" : n, (numeric) index\n"
" \"scriptPubKey\" : { (json object)\n"
" \"asm\" : \"asm\", (string) the asm\n"
" \"hex\" : \"hex\", (string) the hex\n"
" \"reqSigs\" : n, (numeric) The required sigs\n"
" \"type\" : \"pubkeyhash\", (string) The type, eg 'pubkeyhash'\n"
" \"addresses\" : [ (json array of string)\n"
" \"florincoinaddress\" (string) florincoin address\n"
" ,...\n"
" ]\n"
" }\n"
" }\n"
" ,...\n"
" ],\n"
" \"blockhash\" : \"hash\", (string) the block hash\n"
" \"confirmations\" : n, (numeric) The confirmations\n"
" \"time\" : ttt, (numeric) The transaction time in seconds since epoch (Jan 1 1970 GMT)\n"
" \"blocktime\" : ttt (numeric) The block time in seconds since epoch (Jan 1 1970 GMT)\n"
"}\n"
"\nExamples:\n"
+ HelpExampleCli("getrawtransaction", "\"mytxid\"")
+ HelpExampleCli("getrawtransaction", "\"mytxid\" 1")
+ HelpExampleRpc("getrawtransaction", "\"mytxid\", 1")
);
LOCK(cs_main);
uint256 hash = ParseHashV(params[0], "parameter 1");
bool fVerbose = false;
if (params.size() > 1)
fVerbose = (params[1].get_int() != 0);
CTransaction tx;
uint256 hashBlock;
if (!GetTransaction(hash, tx, Params().GetConsensus(), hashBlock, true))
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "No information available about transaction");
string strHex = EncodeHexTx(tx, RPCSerializationFlags());
if (!fVerbose)
return strHex;
UniValue result(UniValue::VOBJ);
result.push_back(Pair("hex", strHex));
TxToJSON(tx, hashBlock, result);
return result;
}
bool RPCConsole::RPCParseCommandLine(std::string &strResult, const std::string &strCommand, const bool fExecute, std::string * const pstrFilteredOut)
{
std::vector< std::vector<std::string> > stack;
stack.push_back(std::vector<std::string>());
enum CmdParseState
{
STATE_EATING_SPACES,
STATE_EATING_SPACES_IN_ARG,
STATE_EATING_SPACES_IN_BRACKETS,
STATE_ARGUMENT,
STATE_SINGLEQUOTED,
STATE_DOUBLEQUOTED,
STATE_ESCAPE_OUTER,
STATE_ESCAPE_DOUBLEQUOTED,
STATE_COMMAND_EXECUTED,
STATE_COMMAND_EXECUTED_INNER
} state = STATE_EATING_SPACES;
std::string curarg;
UniValue lastResult;
unsigned nDepthInsideSensitive = 0;
size_t filter_begin_pos = 0, chpos;
std::vector<std::pair<size_t, size_t>> filter_ranges;
auto add_to_current_stack = [&](const std::string& strArg) {
if (stack.back().empty() && (!nDepthInsideSensitive) && historyFilter.contains(QString::fromStdString(strArg), Qt::CaseInsensitive)) {
nDepthInsideSensitive = 1;
filter_begin_pos = chpos;
}
// Make sure stack is not empty before adding something
if (stack.empty()) {
stack.push_back(std::vector<std::string>());
}
stack.back().push_back(strArg);
};
auto close_out_params = [&]() {
if (nDepthInsideSensitive) {
if (!--nDepthInsideSensitive) {
assert(filter_begin_pos);
filter_ranges.push_back(std::make_pair(filter_begin_pos, chpos));
filter_begin_pos = 0;
}
}
stack.pop_back();
};
std::string strCommandTerminated = strCommand;
if (strCommandTerminated.back() != '\n')
strCommandTerminated += "\n";
for (chpos = 0; chpos < strCommandTerminated.size(); ++chpos)
{
char ch = strCommandTerminated[chpos];
switch(state)
{
case STATE_COMMAND_EXECUTED_INNER:
case STATE_COMMAND_EXECUTED:
{
bool breakParsing = true;
switch(ch)
{
case '[': curarg.clear(); state = STATE_COMMAND_EXECUTED_INNER; break;
default:
if (state == STATE_COMMAND_EXECUTED_INNER)
{
if (ch != ']')
{
// append char to the current argument (which is also used for the query command)
curarg += ch;
break;
}
if (curarg.size() && fExecute)
{
// if we have a value query, query arrays with index and objects with a string key
UniValue subelement;
if (lastResult.isArray())
{
for(char argch: curarg)
if (!std::isdigit(argch))
throw std::runtime_error("Invalid result query");
subelement = lastResult[atoi(curarg.c_str())];
}
else if (lastResult.isObject())
subelement = find_value(lastResult, curarg);
else
throw std::runtime_error("Invalid result query"); //no array or object: abort
lastResult = subelement;
}
state = STATE_COMMAND_EXECUTED;
break;
}
// don't break parsing when the char is required for the next argument
breakParsing = false;
// pop the stack and return the result to the current command arguments
close_out_params();
// don't stringify the json in case of a string to avoid doublequotes
if (lastResult.isStr())
curarg = lastResult.get_str();
else
curarg = lastResult.write(2);
// if we have a non empty result, use it as stack argument otherwise as general result
if (curarg.size())
{
if (stack.size())
add_to_current_stack(curarg);
else
strResult = curarg;
}
curarg.clear();
// assume eating space state
state = STATE_EATING_SPACES;
}
if (breakParsing)
break;
}
case STATE_ARGUMENT: // In or after argument
case STATE_EATING_SPACES_IN_ARG:
case STATE_EATING_SPACES_IN_BRACKETS:
case STATE_EATING_SPACES: // Handle runs of whitespace
switch(ch)
{
case '"': state = STATE_DOUBLEQUOTED; break;
case '\'': state = STATE_SINGLEQUOTED; break;
case '\\': state = STATE_ESCAPE_OUTER; break;
case '(': case ')': case '\n':
if (state == STATE_EATING_SPACES_IN_ARG)
throw std::runtime_error("Invalid Syntax");
if (state == STATE_ARGUMENT)
{
if (ch == '(' && stack.size() && stack.back().size() > 0)
{
if (nDepthInsideSensitive) {
++nDepthInsideSensitive;
}
stack.push_back(std::vector<std::string>());
}
// don't allow commands after executed commands on baselevel
if (!stack.size())
throw std::runtime_error("Invalid Syntax");
add_to_current_stack(curarg);
curarg.clear();
state = STATE_EATING_SPACES_IN_BRACKETS;
}
if ((ch == ')' || ch == '\n') && stack.size() > 0)
{
if (fExecute) {
// Convert argument list to JSON objects in method-dependent way,
// and pass it along with the method name to the dispatcher.
JSONRPCRequest req;
req.params = RPCConvertValues(stack.back()[0], std::vector<std::string>(stack.back().begin() + 1, stack.back().end()));
req.strMethod = stack.back()[0];
#ifdef ENABLE_WALLET
// TODO: Move this logic to WalletModel
if (!vpwallets.empty()) {
// in Qt, use always the wallet with index 0 when running with multiple wallets
QByteArray encodedName = QUrl::toPercentEncoding(QString::fromStdString(vpwallets[0]->GetName()));
req.URI = "/wallet/"+std::string(encodedName.constData(), encodedName.length());
}
#endif
lastResult = tableRPC.execute(req);
}
state = STATE_COMMAND_EXECUTED;
curarg.clear();
}
break;
case ' ': case ',': case '\t':
if(state == STATE_EATING_SPACES_IN_ARG && curarg.empty() && ch == ',')
throw std::runtime_error("Invalid Syntax");
else if(state == STATE_ARGUMENT) // Space ends argument
{
add_to_current_stack(curarg);
curarg.clear();
}
if ((state == STATE_EATING_SPACES_IN_BRACKETS || state == STATE_ARGUMENT) && ch == ',')
{
state = STATE_EATING_SPACES_IN_ARG;
break;
}
state = STATE_EATING_SPACES;
break;
default: curarg += ch; state = STATE_ARGUMENT;
}
break;
case STATE_SINGLEQUOTED: // Single-quoted string
switch(ch)
{
case '\'': state = STATE_ARGUMENT; break;
default: curarg += ch;
}
break;
case STATE_DOUBLEQUOTED: // Double-quoted string
switch(ch)
{
case '"': state = STATE_ARGUMENT; break;
case '\\': state = STATE_ESCAPE_DOUBLEQUOTED; break;
default: curarg += ch;
}
break;
case STATE_ESCAPE_OUTER: // '\' outside quotes
curarg += ch; state = STATE_ARGUMENT;
break;
case STATE_ESCAPE_DOUBLEQUOTED: // '\' in double-quoted text
if(ch != '"' && ch != '\\') curarg += '\\'; // keep '\' for everything but the quote and '\' itself
curarg += ch; state = STATE_DOUBLEQUOTED;
break;
}
}
if (pstrFilteredOut) {
if (STATE_COMMAND_EXECUTED == state) {
assert(!stack.empty());
close_out_params();
}
*pstrFilteredOut = strCommand;
for (auto i = filter_ranges.rbegin(); i != filter_ranges.rend(); ++i) {
pstrFilteredOut->replace(i->first, i->second - i->first, "(…)");
}
}
switch(state) // final state
{
case STATE_COMMAND_EXECUTED:
if (lastResult.isStr())
strResult = lastResult.get_str();
else
strResult = lastResult.write(2);
case STATE_ARGUMENT:
case STATE_EATING_SPACES:
return true;
default: // ERROR to end in one of the other states
return false;
}
}
void NewMessageDialog::loadAliases()
{
ui->aliasEdit->clear();
string strMethod = string("aliaslist");
UniValue params(UniValue::VARR);
UniValue result ;
string name_str;
int expired = 0;
try {
result = tableRPC.execute(strMethod, params);
if (result.type() == UniValue::VARR)
{
name_str = "";
expired = 0;
const UniValue &arr = result.get_array();
for (unsigned int idx = 0; idx < arr.size(); idx++) {
const UniValue& input = arr[idx];
if (input.type() != UniValue::VOBJ)
continue;
const UniValue& o = input.get_obj();
name_str = "";
expired = 0;
const UniValue& name_value = find_value(o, "name");
if (name_value.type() == UniValue::VSTR)
name_str = name_value.get_str();
const UniValue& expired_value = find_value(o, "expired");
if (expired_value.type() == UniValue::VNUM)
expired = expired_value.get_int();
if(expired == 0)
{
QString name = QString::fromStdString(name_str);
ui->aliasEdit->addItem(name);
}
}
}
}
catch (UniValue& objError)
{
string strError = find_value(objError, "message").get_str();
QMessageBox::critical(this, windowTitle(),
tr("Could not refresh alias list: %1").arg(QString::fromStdString(strError)),
QMessageBox::Ok, QMessageBox::Ok);
}
catch(std::exception& e)
{
QMessageBox::critical(this, windowTitle(),
tr("There was an exception trying to refresh the alias list: ") + QString::fromStdString(e.what()),
QMessageBox::Ok, QMessageBox::Ok);
}
}
bool NewMessageDialog::saveCurrentRow()
{
if(walletModel)
{
WalletModel::UnlockContext ctx(walletModel->requestUnlock());
if(model && !ctx.isValid())
{
model->editStatus = MessageTableModel::WALLET_UNLOCK_FAILURE;
return false;
}
}
UniValue params(UniValue::VARR);
string strMethod;
switch(mode)
{
case NewMessage:
if (ui->messageEdit->toPlainText().trimmed().isEmpty()) {
QMessageBox::information(this, windowTitle(),
tr("Empty message not allowed. Please try again"),
QMessageBox::Ok, QMessageBox::Ok);
return false;
}
strMethod = string("messagenew");
params.push_back(ui->topicEdit->text().toStdString());
params.push_back(ui->messageEdit->toPlainText().trimmed().toStdString());
params.push_back(ui->aliasEdit->currentText().toStdString());
params.push_back(ui->toEdit->text().toStdString());
try {
UniValue result = tableRPC.execute(strMethod, params);
if (result.type() != UniValue::VNULL)
{
message = ui->messageEdit->toPlainText();
}
}
catch (UniValue& objError)
{
string strError = find_value(objError, "message").get_str();
QMessageBox::critical(this, windowTitle(),
tr("Error creating new message: \"%1\"").arg(QString::fromStdString(strError)),
QMessageBox::Ok, QMessageBox::Ok);
break;
}
catch(std::exception& e)
{
QMessageBox::critical(this, windowTitle(),
tr("General exception creating new message"),
QMessageBox::Ok, QMessageBox::Ok);
break;
}
break;
case ReplyMessage:
if (ui->messageEdit->toPlainText().trimmed().isEmpty()) {
QMessageBox::information(this, windowTitle(),
tr("Empty message not allowed. Please try again"),
QMessageBox::Ok, QMessageBox::Ok);
return false;
}
if(mapper->submit())
{
strMethod = string("messagenew");
params.push_back(ui->topicEdit->text().toStdString());
params.push_back(ui->messageEdit->toPlainText().trimmed().toStdString());
params.push_back(ui->aliasEdit->currentText().toStdString());
params.push_back(ui->toEdit->text().toStdString());
try {
UniValue result = tableRPC.execute(strMethod, params);
if (result.type() != UniValue::VNULL)
{
message = ui->messageEdit->toPlainText();
}
}
catch (UniValue& objError)
{
string strError = find_value(objError, "message").get_str();
QMessageBox::critical(this, windowTitle(),
tr("Error replying to message: \"%1\"").arg(QString::fromStdString(strError)),
QMessageBox::Ok, QMessageBox::Ok);
break;
}
catch(std::exception& e)
{
QMessageBox::critical(this, windowTitle(),
tr("General exception replying to message"),
QMessageBox::Ok, QMessageBox::Ok);
break;
}
}
break;
}
return !message.isEmpty();
}
static UniValue getblocktemplate(const JSONRPCRequest& request)
{
if (request.fHelp || request.params.size() > 1)
throw std::runtime_error(
"getblocktemplate ( TemplateRequest )\n"
"\nIf the request parameters include a 'mode' key, that is used to explicitly select between the default 'template' request or a 'proposal'.\n"
"It returns data needed to construct a block to work on.\n"
"For full specification, see BIPs 22, 23, 9, and 145:\n"
" https://github.com/bitcoin/bips/blob/master/bip-0022.mediawiki\n"
" https://github.com/bitcoin/bips/blob/master/bip-0023.mediawiki\n"
" https://github.com/bitcoin/bips/blob/master/bip-0009.mediawiki#getblocktemplate_changes\n"
" https://github.com/bitcoin/bips/blob/master/bip-0145.mediawiki\n"
"\nArguments:\n"
"1. template_request (json object, optional) A json object in the following spec\n"
" {\n"
" \"mode\":\"template\" (string, optional) This must be set to \"template\", \"proposal\" (see BIP 23), or omitted\n"
" \"capabilities\":[ (array, optional) A list of strings\n"
" \"support\" (string) client side supported feature, 'longpoll', 'coinbasetxn', 'coinbasevalue', 'proposal', 'serverlist', 'workid'\n"
" ,...\n"
" ],\n"
" \"rules\":[ (array, optional) A list of strings\n"
" \"support\" (string) client side supported softfork deployment\n"
" ,...\n"
" ]\n"
" }\n"
"\n"
"\nResult:\n"
"{\n"
" \"version\" : n, (numeric) The preferred block version\n"
" \"rules\" : [ \"rulename\", ... ], (array of strings) specific block rules that are to be enforced\n"
" \"vbavailable\" : { (json object) set of pending, supported versionbit (BIP 9) softfork deployments\n"
" \"rulename\" : bitnumber (numeric) identifies the bit number as indicating acceptance and readiness for the named softfork rule\n"
" ,...\n"
" },\n"
" \"vbrequired\" : n, (numeric) bit mask of versionbits the server requires set in submissions\n"
" \"previousblockhash\" : \"xxxx\", (string) The hash of current highest block\n"
" \"transactions\" : [ (array) contents of non-coinbase transactions that should be included in the next block\n"
" {\n"
" \"data\" : \"xxxx\", (string) transaction data encoded in hexadecimal (byte-for-byte)\n"
" \"txid\" : \"xxxx\", (string) transaction id encoded in little-endian hexadecimal\n"
" \"hash\" : \"xxxx\", (string) hash encoded in little-endian hexadecimal (including witness data)\n"
" \"depends\" : [ (array) array of numbers \n"
" n (numeric) transactions before this one (by 1-based index in 'transactions' list) that must be present in the final block if this one is\n"
" ,...\n"
" ],\n"
" \"fee\": n, (numeric) difference in value between transaction inputs and outputs (in satoshis); for coinbase transactions, this is a negative Number of the total collected block fees (ie, not including the block subsidy); if key is not present, fee is unknown and clients MUST NOT assume there isn't one\n"
" \"sigops\" : n, (numeric) total SigOps cost, as counted for purposes of block limits; if key is not present, sigop cost is unknown and clients MUST NOT assume it is zero\n"
" \"weight\" : n, (numeric) total transaction weight, as counted for purposes of block limits\n"
" }\n"
" ,...\n"
" ],\n"
" \"coinbaseaux\" : { (json object) data that should be included in the coinbase's scriptSig content\n"
" \"flags\" : \"xx\" (string) key name is to be ignored, and value included in scriptSig\n"
" },\n"
" \"coinbasevalue\" : n, (numeric) maximum allowable input to coinbase transaction, including the generation award and transaction fees (in satoshis)\n"
" \"coinbasetxn\" : { ... }, (json object) information for coinbase transaction\n"
" \"target\" : \"xxxx\", (string) The hash target\n"
" \"mintime\" : xxx, (numeric) The minimum timestamp appropriate for next block time in seconds since epoch (Jan 1 1970 GMT)\n"
" \"mutable\" : [ (array of string) list of ways the block template may be changed \n"
" \"value\" (string) A way the block template may be changed, e.g. 'time', 'transactions', 'prevblock'\n"
" ,...\n"
" ],\n"
" \"noncerange\" : \"00000000ffffffff\",(string) A range of valid nonces\n"
" \"sigoplimit\" : n, (numeric) limit of sigops in blocks\n"
" \"sizelimit\" : n, (numeric) limit of block size\n"
" \"weightlimit\" : n, (numeric) limit of block weight\n"
" \"curtime\" : ttt, (numeric) current timestamp in seconds since epoch (Jan 1 1970 GMT)\n"
" \"bits\" : \"xxxxxxxx\", (string) compressed target of next block\n"
" \"height\" : n (numeric) The height of the next block\n"
"}\n"
"\nExamples:\n"
+ HelpExampleCli("getblocktemplate", "{\"rules\": [\"segwit\"]}")
+ HelpExampleRpc("getblocktemplate", "{\"rules\": [\"segwit\"]}")
);
LOCK(cs_main);
std::string strMode = "template";
UniValue lpval = NullUniValue;
std::set<std::string> setClientRules;
int64_t nMaxVersionPreVB = -1;
if (!request.params[0].isNull())
{
const UniValue& oparam = request.params[0].get_obj();
const UniValue& modeval = find_value(oparam, "mode");
if (modeval.isStr())
strMode = modeval.get_str();
else if (modeval.isNull())
{
/* Do nothing */
}
else
throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid mode");
lpval = find_value(oparam, "longpollid");
if (strMode == "proposal")
{
const UniValue& dataval = find_value(oparam, "data");
if (!dataval.isStr())
throw JSONRPCError(RPC_TYPE_ERROR, "Missing data String key for proposal");
CBlock block;
if (!DecodeHexBlk(block, dataval.get_str()))
throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "Block decode failed");
uint256 hash = block.GetHash();
const CBlockIndex* pindex = LookupBlockIndex(hash);
if (pindex) {
if (pindex->IsValid(BLOCK_VALID_SCRIPTS))
return "duplicate";
if (pindex->nStatus & BLOCK_FAILED_MASK)
return "duplicate-invalid";
return "duplicate-inconclusive";
}
CBlockIndex* const pindexPrev = chainActive.Tip();
// TestBlockValidity only supports blocks built on the current Tip
if (block.hashPrevBlock != pindexPrev->GetBlockHash())
return "inconclusive-not-best-prevblk";
CValidationState state;
TestBlockValidity(state, Params(), block, pindexPrev, false, true);
return BIP22ValidationResult(state);
}
const UniValue& aClientRules = find_value(oparam, "rules");
if (aClientRules.isArray()) {
for (unsigned int i = 0; i < aClientRules.size(); ++i) {
const UniValue& v = aClientRules[i];
setClientRules.insert(v.get_str());
}
} else {
// NOTE: It is important that this NOT be read if versionbits is supported
const UniValue& uvMaxVersion = find_value(oparam, "maxversion");
if (uvMaxVersion.isNum()) {
nMaxVersionPreVB = uvMaxVersion.get_int64();
}
}
}
if (strMode != "template")
throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid mode");
if(!g_connman)
throw JSONRPCError(RPC_CLIENT_P2P_DISABLED, "Error: Peer-to-peer functionality missing or disabled");
if (g_connman->GetNodeCount(CConnman::CONNECTIONS_ALL) == 0)
throw JSONRPCError(RPC_CLIENT_NOT_CONNECTED, "Bitcoin is not connected!");
if (IsInitialBlockDownload())
throw JSONRPCError(RPC_CLIENT_IN_INITIAL_DOWNLOAD, "Bitcoin is downloading blocks...");
static unsigned int nTransactionsUpdatedLast;
if (!lpval.isNull())
{
// Wait to respond until either the best block changes, OR a minute has passed and there are more transactions
uint256 hashWatchedChain;
std::chrono::steady_clock::time_point checktxtime;
unsigned int nTransactionsUpdatedLastLP;
if (lpval.isStr())
{
// Format: <hashBestChain><nTransactionsUpdatedLast>
std::string lpstr = lpval.get_str();
hashWatchedChain = ParseHashV(lpstr.substr(0, 64), "longpollid");
nTransactionsUpdatedLastLP = atoi64(lpstr.substr(64));
}
else
{
// NOTE: Spec does not specify behaviour for non-string longpollid, but this makes testing easier
hashWatchedChain = chainActive.Tip()->GetBlockHash();
nTransactionsUpdatedLastLP = nTransactionsUpdatedLast;
}
// Release the wallet and main lock while waiting
LEAVE_CRITICAL_SECTION(cs_main);
{
checktxtime = std::chrono::steady_clock::now() + std::chrono::minutes(1);
WAIT_LOCK(g_best_block_mutex, lock);
while (g_best_block == hashWatchedChain && IsRPCRunning())
{
if (g_best_block_cv.wait_until(lock, checktxtime) == std::cv_status::timeout)
{
// Timeout: Check transactions for update
if (mempool.GetTransactionsUpdated() != nTransactionsUpdatedLastLP)
break;
checktxtime += std::chrono::seconds(10);
}
}
}
ENTER_CRITICAL_SECTION(cs_main);
if (!IsRPCRunning())
throw JSONRPCError(RPC_CLIENT_NOT_CONNECTED, "Shutting down");
// TODO: Maybe recheck connections/IBD and (if something wrong) send an expires-immediately template to stop miners?
}
const struct VBDeploymentInfo& segwit_info = VersionBitsDeploymentInfo[Consensus::DEPLOYMENT_SEGWIT];
// If the caller is indicating segwit support, then allow CreateNewBlock()
// to select witness transactions, after segwit activates (otherwise
// don't).
bool fSupportsSegwit = setClientRules.find(segwit_info.name) != setClientRules.end();
// Update block
static CBlockIndex* pindexPrev;
static int64_t nStart;
static std::unique_ptr<CBlockTemplate> pblocktemplate;
// Cache whether the last invocation was with segwit support, to avoid returning
// a segwit-block to a non-segwit caller.
static bool fLastTemplateSupportsSegwit = true;
if (pindexPrev != chainActive.Tip() ||
(mempool.GetTransactionsUpdated() != nTransactionsUpdatedLast && GetTime() - nStart > 5) ||
fLastTemplateSupportsSegwit != fSupportsSegwit)
{
// Clear pindexPrev so future calls make a new block, despite any failures from here on
pindexPrev = nullptr;
// Store the pindexBest used before CreateNewBlock, to avoid races
nTransactionsUpdatedLast = mempool.GetTransactionsUpdated();
CBlockIndex* pindexPrevNew = chainActive.Tip();
nStart = GetTime();
fLastTemplateSupportsSegwit = fSupportsSegwit;
// Create new block
CScript scriptDummy = CScript() << OP_TRUE;
pblocktemplate = BlockAssembler(Params()).CreateNewBlock(scriptDummy, fSupportsSegwit);
if (!pblocktemplate)
throw JSONRPCError(RPC_OUT_OF_MEMORY, "Out of memory");
// Need to update only after we know CreateNewBlock succeeded
pindexPrev = pindexPrevNew;
}
assert(pindexPrev);
CBlock* pblock = &pblocktemplate->block; // pointer for convenience
const Consensus::Params& consensusParams = Params().GetConsensus();
// Update nTime
UpdateTime(pblock, consensusParams, pindexPrev);
pblock->nNonce = 0;
// NOTE: If at some point we support pre-segwit miners post-segwit-activation, this needs to take segwit support into consideration
const bool fPreSegWit = (ThresholdState::ACTIVE != VersionBitsState(pindexPrev, consensusParams, Consensus::DEPLOYMENT_SEGWIT, versionbitscache));
UniValue aCaps(UniValue::VARR); aCaps.push_back("proposal");
UniValue transactions(UniValue::VARR);
std::map<uint256, int64_t> setTxIndex;
int i = 0;
for (const auto& it : pblock->vtx) {
const CTransaction& tx = *it;
uint256 txHash = tx.GetHash();
setTxIndex[txHash] = i++;
if (tx.IsCoinBase())
continue;
UniValue entry(UniValue::VOBJ);
entry.pushKV("data", EncodeHexTx(tx));
entry.pushKV("txid", txHash.GetHex());
entry.pushKV("hash", tx.GetWitnessHash().GetHex());
UniValue deps(UniValue::VARR);
for (const CTxIn &in : tx.vin)
{
if (setTxIndex.count(in.prevout.hash))
deps.push_back(setTxIndex[in.prevout.hash]);
}
entry.pushKV("depends", deps);
int index_in_template = i - 1;
entry.pushKV("fee", pblocktemplate->vTxFees[index_in_template]);
int64_t nTxSigOps = pblocktemplate->vTxSigOpsCost[index_in_template];
if (fPreSegWit) {
assert(nTxSigOps % WITNESS_SCALE_FACTOR == 0);
nTxSigOps /= WITNESS_SCALE_FACTOR;
}
entry.pushKV("sigops", nTxSigOps);
entry.pushKV("weight", GetTransactionWeight(tx));
transactions.push_back(entry);
}
UniValue aux(UniValue::VOBJ);
aux.pushKV("flags", HexStr(COINBASE_FLAGS.begin(), COINBASE_FLAGS.end()));
arith_uint256 hashTarget = arith_uint256().SetCompact(pblock->nBits);
UniValue aMutable(UniValue::VARR);
aMutable.push_back("time");
aMutable.push_back("transactions");
aMutable.push_back("prevblock");
UniValue result(UniValue::VOBJ);
result.pushKV("capabilities", aCaps);
UniValue aRules(UniValue::VARR);
UniValue vbavailable(UniValue::VOBJ);
for (int j = 0; j < (int)Consensus::MAX_VERSION_BITS_DEPLOYMENTS; ++j) {
Consensus::DeploymentPos pos = Consensus::DeploymentPos(j);
ThresholdState state = VersionBitsState(pindexPrev, consensusParams, pos, versionbitscache);
switch (state) {
case ThresholdState::DEFINED:
case ThresholdState::FAILED:
// Not exposed to GBT at all
break;
case ThresholdState::LOCKED_IN:
// Ensure bit is set in block version
pblock->nVersion |= VersionBitsMask(consensusParams, pos);
// FALL THROUGH to get vbavailable set...
case ThresholdState::STARTED:
{
const struct VBDeploymentInfo& vbinfo = VersionBitsDeploymentInfo[pos];
vbavailable.pushKV(gbt_vb_name(pos), consensusParams.vDeployments[pos].bit);
if (setClientRules.find(vbinfo.name) == setClientRules.end()) {
if (!vbinfo.gbt_force) {
// If the client doesn't support this, don't indicate it in the [default] version
pblock->nVersion &= ~VersionBitsMask(consensusParams, pos);
}
}
break;
}
case ThresholdState::ACTIVE:
{
// Add to rules only
const struct VBDeploymentInfo& vbinfo = VersionBitsDeploymentInfo[pos];
aRules.push_back(gbt_vb_name(pos));
if (setClientRules.find(vbinfo.name) == setClientRules.end()) {
// Not supported by the client; make sure it's safe to proceed
if (!vbinfo.gbt_force) {
// If we do anything other than throw an exception here, be sure version/force isn't sent to old clients
throw JSONRPCError(RPC_INVALID_PARAMETER, strprintf("Support for '%s' rule requires explicit client support", vbinfo.name));
}
}
break;
}
}
}
result.pushKV("version", pblock->nVersion);
result.pushKV("rules", aRules);
result.pushKV("vbavailable", vbavailable);
result.pushKV("vbrequired", int(0));
if (nMaxVersionPreVB >= 2) {
// If VB is supported by the client, nMaxVersionPreVB is -1, so we won't get here
// Because BIP 34 changed how the generation transaction is serialized, we can only use version/force back to v2 blocks
// This is safe to do [otherwise-]unconditionally only because we are throwing an exception above if a non-force deployment gets activated
// Note that this can probably also be removed entirely after the first BIP9 non-force deployment (ie, probably segwit) gets activated
aMutable.push_back("version/force");
}
result.pushKV("previousblockhash", pblock->hashPrevBlock.GetHex());
result.pushKV("transactions", transactions);
result.pushKV("coinbaseaux", aux);
result.pushKV("coinbasevalue", (int64_t)pblock->vtx[0]->vout[0].nValue);
result.pushKV("longpollid", chainActive.Tip()->GetBlockHash().GetHex() + i64tostr(nTransactionsUpdatedLast));
result.pushKV("target", hashTarget.GetHex());
result.pushKV("mintime", (int64_t)pindexPrev->GetMedianTimePast()+1);
result.pushKV("mutable", aMutable);
result.pushKV("noncerange", "00000000ffffffff");
int64_t nSigOpLimit = MAX_BLOCK_SIGOPS_COST;
int64_t nSizeLimit = MAX_BLOCK_SERIALIZED_SIZE;
if (fPreSegWit) {
assert(nSigOpLimit % WITNESS_SCALE_FACTOR == 0);
nSigOpLimit /= WITNESS_SCALE_FACTOR;
assert(nSizeLimit % WITNESS_SCALE_FACTOR == 0);
nSizeLimit /= WITNESS_SCALE_FACTOR;
}
result.pushKV("sigoplimit", nSigOpLimit);
result.pushKV("sizelimit", nSizeLimit);
if (!fPreSegWit) {
result.pushKV("weightlimit", (int64_t)MAX_BLOCK_WEIGHT);
}
result.pushKV("curtime", pblock->GetBlockTime());
result.pushKV("bits", strprintf("%08x", pblock->nBits));
result.pushKV("height", (int64_t)(pindexPrev->nHeight+1));
if (!pblocktemplate->vchCoinbaseCommitment.empty() && fSupportsSegwit) {
result.pushKV("default_witness_commitment", HexStr(pblocktemplate->vchCoinbaseCommitment.begin(), pblocktemplate->vchCoinbaseCommitment.end()));
}
return result;
}
void refreshEscrowTable(EscrowModelType type)
{
cachedEscrowTable.clear();
{
string strMethod = string("escrowlist");
UniValue params(UniValue::VARR);
UniValue result ;
string name_str;
string time_str;
string seller_str;
string arbiter_str;
string status_str;
string offeraccept_str;
string offer_str;
string offertitle_str;
string total_str;
string buyer_str;
int unixTime;
QDateTime dateTime;
try {
result = tableRPC.execute(strMethod, params);
if (result.type() == UniValue::VARR)
{
name_str = "";
time_str = "";
seller_str = "";
arbiter_str = "";
status_str = "";
offeraccept_str = "";
offer_str = "";
offertitle_str = "";
total_str = "";
buyer_str = "";
const UniValue &arr = result.get_array();
for (unsigned int idx = 0; idx < arr.size(); idx++) {
const UniValue& input = arr[idx];
if (input.type() != UniValue::VOBJ)
continue;
const UniValue& o = input.get_obj();
name_str = "";
name_str = "";
seller_str = "";
arbiter_str = "";
status_str = "";
offeraccept_str = "";
offer_str = "";
total_str = "";
const UniValue& name_value = find_value(o, "escrow");
if (name_value.type() == UniValue::VSTR)
name_str = name_value.get_str();
const UniValue& time_value = find_value(o, "time");
if (time_value.type() == UniValue::VSTR)
time_str = time_value.get_str();
const UniValue& seller_value = find_value(o, "seller");
if (seller_value.type() == UniValue::VSTR)
seller_str = seller_value.get_str();
const UniValue& arbiter_value = find_value(o, "arbiter");
if (arbiter_value.type() == UniValue::VSTR)
arbiter_str = arbiter_value.get_str();
const UniValue& buyer_value = find_value(o, "buyer");
if (buyer_value.type() == UniValue::VSTR)
buyer_str = buyer_value.get_str();
const UniValue& offer_value = find_value(o, "offer");
if (offer_value.type() == UniValue::VSTR)
offer_str = offer_value.get_str();
const UniValue& offertitle_value = find_value(o, "offertitle");
if (offertitle_value.type() == UniValue::VSTR)
offertitle_str = offertitle_value.get_str();
const UniValue& offeraccept_value = find_value(o, "offeracceptlink");
if (offeraccept_value.type() == UniValue::VSTR)
offeraccept_str = offeraccept_value.get_str();
const UniValue& total_value = find_value(o, "total");
if (total_value.type() == UniValue::VSTR)
total_str = total_value.get_str();
const UniValue& status_value = find_value(o, "status");
if (status_value.type() == UniValue::VSTR)
status_str = status_value.get_str();
unixTime = atoi(time_str.c_str());
dateTime.setTime_t(unixTime);
time_str = dateTime.toString().toStdString();
updateEntry(QString::fromStdString(name_str), QString::fromStdString(time_str), QString::fromStdString(seller_str), QString::fromStdString(arbiter_str), QString::fromStdString(offer_str), QString::fromStdString(offertitle_str), QString::fromStdString(offeraccept_str), QString::fromStdString(total_str), QString::fromStdString(status_str), QString::fromStdString(buyer_str), type, CT_NEW);
}
}
}
catch (UniValue& objError)
{
return;
}
catch(std::exception& e)
{
return;
}
}
// qLowerBound() and qUpperBound() require our cachedEscrowTable list to be sorted in asc order
qSort(cachedEscrowTable.begin(), cachedEscrowTable.end(), EscrowTableEntryLessThan());
}
BOOST_FIXTURE_TEST_CASE(rescan, TestChain100Setup)
{
LOCK(cs_main);
// Cap last block file size, and mine new block in a new block file.
CBlockIndex* const nullBlock = nullptr;
CBlockIndex* oldTip = chainActive.Tip();
GetBlockFileInfo(oldTip->GetBlockPos().nFile)->nSize = MAX_BLOCKFILE_SIZE;
CreateAndProcessBlock({}, GetScriptForRawPubKey(coinbaseKey.GetPubKey()));
CBlockIndex* newTip = chainActive.Tip();
// Verify ScanForWalletTransactions picks up transactions in both the old
// and new block files.
{
CWallet wallet;
LOCK(wallet.cs_wallet);
wallet.AddKeyPubKey(coinbaseKey, coinbaseKey.GetPubKey());
BOOST_CHECK_EQUAL(nullBlock, wallet.ScanForWalletTransactions(oldTip));
BOOST_CHECK_EQUAL(wallet.GetImmatureBalance(), 100 * COIN);
}
// Prune the older block file.
PruneOneBlockFile(oldTip->GetBlockPos().nFile);
UnlinkPrunedFiles({oldTip->GetBlockPos().nFile});
// Verify ScanForWalletTransactions only picks transactions in the new block
// file.
{
CWallet wallet;
LOCK(wallet.cs_wallet);
wallet.AddKeyPubKey(coinbaseKey, coinbaseKey.GetPubKey());
BOOST_CHECK_EQUAL(oldTip, wallet.ScanForWalletTransactions(oldTip));
BOOST_CHECK_EQUAL(wallet.GetImmatureBalance(), 50 * COIN);
}
// Verify importmulti RPC returns failure for a key whose creation time is
// before the missing block, and success for a key whose creation time is
// after.
{
CWallet wallet;
vpwallets.insert(vpwallets.begin(), &wallet);
UniValue keys;
keys.setArray();
UniValue key;
key.setObject();
key.pushKV("scriptPubKey", HexStr(GetScriptForRawPubKey(coinbaseKey.GetPubKey())));
key.pushKV("timestamp", 0);
key.pushKV("internal", UniValue(true));
keys.push_back(key);
key.clear();
key.setObject();
CKey futureKey;
futureKey.MakeNewKey(true);
key.pushKV("scriptPubKey", HexStr(GetScriptForRawPubKey(futureKey.GetPubKey())));
key.pushKV("timestamp", newTip->GetBlockTimeMax() + TIMESTAMP_WINDOW + 1);
key.pushKV("internal", UniValue(true));
keys.push_back(key);
JSONRPCRequest request;
request.params.setArray();
request.params.push_back(keys);
UniValue response = importmulti(request);
BOOST_CHECK_EQUAL(response.write(),
strprintf("[{\"success\":false,\"error\":{\"code\":-1,\"message\":\"Rescan failed for key with creation "
"timestamp %d. There was an error reading a block from time %d, which is after or within %d "
"seconds of key creation, and could contain transactions pertaining to the key. As a result, "
"transactions and coins using this key may not appear in the wallet. This error could be caused "
"by pruning or data corruption (see bitcoind log for details) and could be dealt with by "
"downloading and rescanning the relevant blocks (see -reindex and -rescan "
"options).\"}},{\"success\":true}]",
0, oldTip->GetBlockTimeMax(), TIMESTAMP_WINDOW));
vpwallets.erase(vpwallets.begin());
}
}
UniValue getauxblock(const UniValue& params, bool fHelp)
{
if (fHelp || (params.size() != 0 && params.size() != 2))
throw std::runtime_error(
"getauxblock (hash auxpow)\n"
"\nCreate or submit a merge-mined block.\n"
"\nWithout arguments, create a new block and return information\n"
"required to merge-mine it. With arguments, submit a solved\n"
"auxpow for a previously returned block.\n"
"\nArguments:\n"
"1. \"hash\" (string, optional) hash of the block to submit\n"
"2. \"auxpow\" (string, optional) serialised auxpow found\n"
"\nResult (without arguments):\n"
"{\n"
" \"hash\" (string) hash of the created block\n"
" \"chainid\" (numeric) chain ID for this block\n"
" \"previousblockhash\" (string) hash of the previous block\n"
" \"coinbasevalue\" (numeric) value of the block's coinbase\n"
" \"bits\" (string) compressed target of the block\n"
" \"height\" (numeric) height of the block\n"
" \"_target\" (string) target in reversed byte order, deprecated\n"
"}\n"
"\nResult (with arguments):\n"
"xxxxx (boolean) whether the submitted block was correct\n"
"\nExamples:\n"
+ HelpExampleCli("getauxblock", "")
+ HelpExampleCli("getauxblock", "\"hash\" \"serialised auxpow\"")
+ HelpExampleRpc("getauxblock", "")
);
boost::shared_ptr<CReserveScript> coinbaseScript;
GetMainSignals().ScriptForMining(coinbaseScript);
//throw an error if no script was provided
if (!coinbaseScript->reserveScript.size())
throw JSONRPCError(RPC_INTERNAL_ERROR, "No coinbase script available (mining requires a wallet)");
if (vNodes.empty() && !Params().MineBlocksOnDemand())
throw JSONRPCError(RPC_CLIENT_NOT_CONNECTED,
"Namecoin is not connected!");
if (IsInitialBlockDownload() && !Params().MineBlocksOnDemand())
throw JSONRPCError(RPC_CLIENT_IN_INITIAL_DOWNLOAD,
"Namecoin is downloading blocks...");
/* This should never fail, since the chain is already
past the point of merge-mining start. Check nevertheless. */
{
LOCK(cs_main);
if (chainActive.Height() + 1 < Params().GetConsensus().nAuxpowStartHeight)
throw std::runtime_error("getauxblock method is not yet available");
}
/* The variables below are used to keep track of created and not yet
submitted auxpow blocks. Lock them to be sure even for multiple
RPC threads running in parallel. */
static CCriticalSection cs_auxblockCache;
LOCK(cs_auxblockCache);
static std::map<uint256, CBlock*> mapNewBlock;
static std::vector<CBlockTemplate*> vNewBlockTemplate;
/* Create a new block? */
if (params.size() == 0)
{
static unsigned nTransactionsUpdatedLast;
static const CBlockIndex* pindexPrev = NULL;
static uint64_t nStart;
static CBlockTemplate* pblocktemplate;
static unsigned nExtraNonce = 0;
// Update block
{
LOCK(cs_main);
if (pindexPrev != chainActive.Tip()
|| (mempool.GetTransactionsUpdated() != nTransactionsUpdatedLast
&& GetTime() - nStart > 60))
{
if (pindexPrev != chainActive.Tip())
{
// Deallocate old blocks since they're obsolete now
mapNewBlock.clear();
BOOST_FOREACH(CBlockTemplate* pbt, vNewBlockTemplate)
delete pbt;
vNewBlockTemplate.clear();
}
// Create new block with nonce = 0 and extraNonce = 1
pblocktemplate = CreateNewBlock(coinbaseScript->reserveScript);
if (!pblocktemplate)
throw JSONRPCError(RPC_OUT_OF_MEMORY, "out of memory");
// Update state only when CreateNewBlock succeeded
nTransactionsUpdatedLast = mempool.GetTransactionsUpdated();
pindexPrev = chainActive.Tip();
nStart = GetTime();
// Finalise it by setting the version and building the merkle root
CBlock* pblock = &pblocktemplate->block;
IncrementExtraNonce(pblock, pindexPrev, nExtraNonce);
pblock->nVersion.SetAuxpow(true);
pblock->hashMerkleRoot = pblock->BuildMerkleTree();
// Save
mapNewBlock[pblock->GetHash()] = pblock;
vNewBlockTemplate.push_back(pblocktemplate);
}
}
const CBlock& block = pblocktemplate->block;
arith_uint256 target;
bool fNegative, fOverflow;
target.SetCompact(block.nBits, &fNegative, &fOverflow);
if (fNegative || fOverflow || target == 0)
throw std::runtime_error("invalid difficulty bits in block");
UniValue result(UniValue::VOBJ);
result.push_back(Pair("hash", block.GetHash().GetHex()));
result.push_back(Pair("chainid", block.nVersion.GetChainId()));
result.push_back(Pair("previousblockhash", block.hashPrevBlock.GetHex()));
result.push_back(Pair("coinbasevalue", (int64_t)block.vtx[0].vout[0].nValue));
result.push_back(Pair("bits", strprintf("%08x", block.nBits)));
result.push_back(Pair("height", static_cast<int64_t> (pindexPrev->nHeight + 1)));
result.push_back(Pair("_target", HexStr(BEGIN(target), END(target))));
return result;
}
/* Submit a block instead. Note that this need not lock cs_main,
since ProcessBlockFound below locks it instead. */
assert(params.size() == 2);
uint256 hash;
hash.SetHex(params[0].get_str());
const std::map<uint256, CBlock*>::iterator mit = mapNewBlock.find(hash);
if (mit == mapNewBlock.end())
throw JSONRPCError(RPC_INVALID_PARAMETER, "block hash unknown");
CBlock& block = *mit->second;
const std::vector<unsigned char> vchAuxPow = ParseHex(params[1].get_str());
CDataStream ss(vchAuxPow, SER_GETHASH, PROTOCOL_VERSION);
CAuxPow pow;
ss >> pow;
block.SetAuxpow(new CAuxPow(pow));
assert(block.GetHash() == hash);
const bool ok = ProcessBlockFound(&block, Params());
if (ok)
coinbaseScript->KeepScript();
return ok;
}
UniValue getblocktemplate(const UniValue& params, bool fHelp)
{
if (fHelp || params.size() > 1)
throw runtime_error(
"getblocktemplate ( \"jsonrequestobject\" )\n"
"\nIf the request parameters include a 'mode' key, that is used to explicitly select between the default 'template' request or a 'proposal'.\n"
"It returns data needed to construct a block to work on.\n"
"See https://en.bitcoin.it/wiki/BIP_0022 for full specification.\n"
"\nArguments:\n"
"1. \"jsonrequestobject\" (string, optional) A json object in the following spec\n"
" {\n"
" \"mode\":\"template\" (string, optional) This must be set to \"template\" or omitted\n"
" \"capabilities\":[ (array, optional) A list of strings\n"
" \"support\" (string) client side supported feature, 'longpoll', 'coinbasetxn', 'coinbasevalue', 'proposal', 'serverlist', 'workid'\n"
" ,...\n"
" ]\n"
" }\n"
"\n"
"\nResult:\n"
"{\n"
" \"version\" : n, (numeric) The block version\n"
" \"previousblockhash\" : \"xxxx\", (string) The hash of current highest block\n"
" \"transactions\" : [ (array) contents of non-coinbase transactions that should be included in the next block\n"
" {\n"
" \"data\" : \"xxxx\", (string) transaction data encoded in hexadecimal (byte-for-byte)\n"
" \"hash\" : \"xxxx\", (string) hash/id encoded in little-endian hexadecimal\n"
" \"depends\" : [ (array) array of numbers \n"
" n (numeric) transactions before this one (by 1-based index in 'transactions' list) that must be present in the final block if this one is\n"
" ,...\n"
" ],\n"
" \"fee\": n, (numeric) difference in value between transaction inputs and outputs (in Satoshis); for coinbase transactions, this is a negative Number of the total collected block fees (ie, not including the block subsidy); if key is not present, fee is unknown and clients MUST NOT assume there isn't one\n"
" \"sigops\" : n, (numeric) total number of SigOps, as counted for purposes of block limits; if key is not present, sigop count is unknown and clients MUST NOT assume there aren't any\n"
" \"required\" : true|false (boolean) if provided and true, this transaction must be in the final block\n"
" }\n"
" ,...\n"
" ],\n"
" \"coinbaseaux\" : { (json object) data that should be included in the coinbase's scriptSig content\n"
" \"flags\" : \"flags\" (string) \n"
" },\n"
" \"coinbasevalue\" : n, (numeric) maximum allowable input to coinbase transaction, including the generation award and transaction fees (in Satoshis)\n"
" \"coinbasetxn\" : { ... }, (json object) information for coinbase transaction\n"
" \"target\" : \"xxxx\", (string) The hash target\n"
" \"mintime\" : xxx, (numeric) The minimum timestamp appropriate for next block time in seconds since epoch (Jan 1 1970 GMT)\n"
" \"mutable\" : [ (array of string) list of ways the block template may be changed \n"
" \"value\" (string) A way the block template may be changed, e.g. 'time', 'transactions', 'prevblock'\n"
" ,...\n"
" ],\n"
" \"noncerange\" : \"00000000ffffffff\", (string) A range of valid nonces\n"
" \"sigoplimit\" : n, (numeric) limit of sigops in blocks\n"
" \"sizelimit\" : n, (numeric) limit of block size\n"
" \"curtime\" : ttt, (numeric) current timestamp in seconds since epoch (Jan 1 1970 GMT)\n"
" \"bits\" : \"xxx\", (string) compressed target of next block\n"
" \"height\" : n (numeric) The height of the next block\n"
"}\n"
"\nExamples:\n"
+ HelpExampleCli("getblocktemplate", "")
+ HelpExampleRpc("getblocktemplate", "")
);
LOCK(cs_main);
std::string strMode = "template";
UniValue lpval = NullUniValue;
if (params.size() > 0)
{
const UniValue& oparam = params[0].get_obj();
const UniValue& modeval = find_value(oparam, "mode");
if (modeval.isStr())
strMode = modeval.get_str();
else if (modeval.isNull())
{
/* Do nothing */
}
else
throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid mode");
lpval = find_value(oparam, "longpollid");
if (strMode == "proposal")
{
const UniValue& dataval = find_value(oparam, "data");
if (!dataval.isStr())
throw JSONRPCError(RPC_TYPE_ERROR, "Missing data String key for proposal");
CBlock block;
if (!DecodeHexBlk(block, dataval.get_str()))
throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "Block decode failed");
uint256 hash = block.GetHash();
BlockMap::iterator mi = mapBlockIndex.find(hash);
if (mi != mapBlockIndex.end()) {
CBlockIndex *pindex = mi->second;
if (pindex->IsValid(BLOCK_VALID_SCRIPTS))
return "duplicate";
if (pindex->nStatus & BLOCK_FAILED_MASK)
return "duplicate-invalid";
return "duplicate-inconclusive";
}
CBlockIndex* const pindexPrev = chainActive.Tip();
// TestBlockValidity only supports blocks built on the current Tip
if (block.hashPrevBlock != pindexPrev->GetBlockHash())
return "inconclusive-not-best-prevblk";
CValidationState state;
TestBlockValidity(state, block, pindexPrev, false, true);
return BIP22ValidationResult(state);
}
}
if (strMode != "template")
throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid mode");
if (vNodes.empty())
throw JSONRPCError(RPC_CLIENT_NOT_CONNECTED, "Namecoin is not connected!");
if (IsInitialBlockDownload())
throw JSONRPCError(RPC_CLIENT_IN_INITIAL_DOWNLOAD, "Namecoin is downloading blocks...");
static unsigned int nTransactionsUpdatedLast;
if (!lpval.isNull())
{
// Wait to respond until either the best block changes, OR a minute has passed and there are more transactions
uint256 hashWatchedChain;
boost::system_time checktxtime;
unsigned int nTransactionsUpdatedLastLP;
if (lpval.isStr())
{
// Format: <hashBestChain><nTransactionsUpdatedLast>
std::string lpstr = lpval.get_str();
hashWatchedChain.SetHex(lpstr.substr(0, 64));
nTransactionsUpdatedLastLP = atoi64(lpstr.substr(64));
}
else
{
// NOTE: Spec does not specify behaviour for non-string longpollid, but this makes testing easier
hashWatchedChain = chainActive.Tip()->GetBlockHash();
nTransactionsUpdatedLastLP = nTransactionsUpdatedLast;
}
// Release the wallet and main lock while waiting
LEAVE_CRITICAL_SECTION(cs_main);
{
checktxtime = boost::get_system_time() + boost::posix_time::minutes(1);
boost::unique_lock<boost::mutex> lock(csBestBlock);
while (chainActive.Tip()->GetBlockHash() == hashWatchedChain && IsRPCRunning())
{
if (!cvBlockChange.timed_wait(lock, checktxtime))
{
// Timeout: Check transactions for update
if (mempool.GetTransactionsUpdated() != nTransactionsUpdatedLastLP)
break;
checktxtime += boost::posix_time::seconds(10);
}
}
}
ENTER_CRITICAL_SECTION(cs_main);
if (!IsRPCRunning())
throw JSONRPCError(RPC_CLIENT_NOT_CONNECTED, "Shutting down");
// TODO: Maybe recheck connections/IBD and (if something wrong) send an expires-immediately template to stop miners?
}
// Update block
static CBlockIndex* pindexPrev;
static int64_t nStart;
static CBlockTemplate* pblocktemplate;
if (pindexPrev != chainActive.Tip() ||
(mempool.GetTransactionsUpdated() != 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 = mempool.GetTransactionsUpdated();
CBlockIndex* pindexPrevNew = chainActive.Tip();
nStart = GetTime();
// Create new block
if(pblocktemplate)
{
delete pblocktemplate;
pblocktemplate = NULL;
}
CScript scriptDummy = CScript() << OP_TRUE;
pblocktemplate = CreateNewBlock(scriptDummy);
if (!pblocktemplate)
throw JSONRPCError(RPC_OUT_OF_MEMORY, "Out of memory");
// Need to update only after we know CreateNewBlock succeeded
pindexPrev = pindexPrevNew;
}
CBlock* pblock = &pblocktemplate->block; // pointer for convenience
// Update nTime
UpdateTime(pblock, Params().GetConsensus(), pindexPrev);
pblock->nNonce = 0;
UniValue aCaps(UniValue::VARR); aCaps.push_back("proposal");
UniValue transactions(UniValue::VARR);
map<uint256, int64_t> setTxIndex;
int i = 0;
BOOST_FOREACH (const CTransaction& tx, pblock->vtx) {
uint256 txHash = tx.GetHash();
setTxIndex[txHash] = i++;
if (tx.IsCoinBase())
continue;
UniValue entry(UniValue::VOBJ);
entry.push_back(Pair("data", EncodeHexTx(tx)));
entry.push_back(Pair("hash", txHash.GetHex()));
UniValue deps(UniValue::VARR);
BOOST_FOREACH (const CTxIn &in, tx.vin)
{
if (setTxIndex.count(in.prevout.hash))
deps.push_back(setTxIndex[in.prevout.hash]);
}
entry.push_back(Pair("depends", deps));
int index_in_template = i - 1;
entry.push_back(Pair("fee", pblocktemplate->vTxFees[index_in_template]));
entry.push_back(Pair("sigops", pblocktemplate->vTxSigOps[index_in_template]));
transactions.push_back(entry);
}
UniValue aux(UniValue::VOBJ);
aux.push_back(Pair("flags", HexStr(COINBASE_FLAGS.begin(), COINBASE_FLAGS.end())));
arith_uint256 hashTarget = arith_uint256().SetCompact(pblock->nBits);
static UniValue aMutable(UniValue::VARR);
if (aMutable.empty())
{
aMutable.push_back("time");
aMutable.push_back("transactions");
aMutable.push_back("prevblock");
}
UniValue result(UniValue::VOBJ);
result.push_back(Pair("capabilities", aCaps));
result.push_back(Pair("version", pblock->nVersion.GetFullVersion()));
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("longpollid", chainActive.Tip()->GetBlockHash().GetHex() + i64tostr(nTransactionsUpdatedLast)));
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", pblock->GetBlockTime()));
result.push_back(Pair("bits", strprintf("%08x", pblock->nBits)));
result.push_back(Pair("height", (int64_t)(pindexPrev->nHeight+1)));
return result;
}
void CProRegTx::ToJson(UniValue& obj) const
{
obj.clear();
obj.setObject();
obj.push_back(Pair("version", nVersion));
obj.push_back(Pair("collateralHash", collateralOutpoint.hash.ToString()));
obj.push_back(Pair("collateralIndex", (int)collateralOutpoint.n));
obj.push_back(Pair("service", addr.ToString(false)));
obj.push_back(Pair("ownerAddress", CBitcoinAddress(keyIDOwner).ToString()));
obj.push_back(Pair("votingAddress", CBitcoinAddress(keyIDVoting).ToString()));
CTxDestination dest;
if (ExtractDestination(scriptPayout, dest)) {
CBitcoinAddress bitcoinAddress(dest);
obj.push_back(Pair("payoutAddress", bitcoinAddress.ToString()));
}
obj.push_back(Pair("pubKeyOperator", pubKeyOperator.ToString()));
obj.push_back(Pair("operatorReward", (double)nOperatorReward / 100));
obj.push_back(Pair("inputsHash", inputsHash.ToString()));
}
string JSONRPCReply(const UniValue& result, const UniValue& error, const UniValue& id)
{
UniValue reply = JSONRPCReplyObj(result, error, id);
return reply.write() + "\n";
}
static UniValue ValueFromString(const std::string &str)
{
UniValue value;
BOOST_CHECK(value.setNumStr(str));
return value;
}
static bool rest_block(HTTPRequest* req,
const std::string& strURIPart,
bool showTxDetails)
{
if (!CheckWarmup(req))
return false;
std::string hashStr;
const RetFormat rf = ParseDataFormat(hashStr, strURIPart);
uint256 hash;
if (!ParseHashStr(hashStr, hash))
return RESTERR(req, HTTP_BAD_REQUEST, "Invalid hash: " + hashStr);
CBlock block;
CBlockIndex* pblockindex = nullptr;
{
LOCK(cs_main);
if (mapBlockIndex.count(hash) == 0)
return RESTERR(req, HTTP_NOT_FOUND, hashStr + " not found");
pblockindex = mapBlockIndex[hash];
if (fHavePruned && !(pblockindex->nStatus & BLOCK_HAVE_DATA) && pblockindex->nTx > 0)
return RESTERR(req, HTTP_NOT_FOUND, hashStr + " not available (pruned data)");
if (!ReadBlockFromDisk(block, pblockindex, Params().GetConsensus()))
return RESTERR(req, HTTP_NOT_FOUND, hashStr + " not found");
}
CDataStream ssBlock(SER_NETWORK, PROTOCOL_VERSION | RPCSerializationFlags());
ssBlock << block;
switch (rf) {
case RF_BINARY: {
std::string binaryBlock = ssBlock.str();
req->WriteHeader("Content-Type", "application/octet-stream");
req->WriteReply(HTTP_OK, binaryBlock);
return true;
}
case RF_HEX: {
std::string strHex = HexStr(ssBlock.begin(), ssBlock.end()) + "\n";
req->WriteHeader("Content-Type", "text/plain");
req->WriteReply(HTTP_OK, strHex);
return true;
}
case RF_JSON: {
UniValue objBlock = blockToJSON(block, pblockindex, showTxDetails);
std::string strJSON = objBlock.write() + "\n";
req->WriteHeader("Content-Type", "application/json");
req->WriteReply(HTTP_OK, strJSON);
return true;
}
default: {
return RESTERR(req, HTTP_NOT_FOUND, "output format not found (available: " + AvailableDataFormatsString() + ")");
}
}
// not reached
return true; // continue to process further HTTP reqs on this cxn
}
UniValue
name_filter (const UniValue& params, bool fHelp)
{
if (fHelp || params.size () > 5)
throw std::runtime_error (
"name_filter (\"regexp\" (\"maxage\" (\"from\" (\"nb\" (\"stat\")))))\n"
"\nScan and list names matching a regular expression.\n"
"\nArguments:\n"
"1. \"regexp\" (string, optional) filter names with this regexp\n"
"2. \"maxage\" (numeric, optional, default=36000) only consider names updated in the last \"maxage\" blocks; 0 means all names\n"
"3. \"from\" (numeric, optional, default=0) return from this position onward; index starts at 0\n"
"4. \"nb\" (numeric, optional, default=0) return only \"nb\" entries; 0 means all\n"
"5. \"stat\" (string, optional) if set to the string \"stat\", print statistics instead of returning the names\n"
"\nResult:\n"
"[\n"
+ getNameInfoHelp (" ", ",") +
" ...\n"
"]\n"
"\nExamples:\n"
+ HelpExampleCli ("name_filter", "\"\" 5")
+ HelpExampleCli ("name_filter", "\"^id/\"")
+ HelpExampleCli ("name_filter", "\"^id/\" 36000 0 0 \"stat\"")
+ HelpExampleRpc ("name_scan", "\"^d/\"")
);
if (IsInitialBlockDownload ())
throw JSONRPCError(RPC_CLIENT_IN_INITIAL_DOWNLOAD,
"Namecoin is downloading blocks...");
/* ********************** */
/* Interpret parameters. */
bool haveRegexp(false);
boost::xpressive::sregex regexp;
int maxage(36000), from(0), nb(0);
bool stats(false);
if (params.size () >= 1)
{
haveRegexp = true;
regexp = boost::xpressive::sregex::compile (params[0].get_str ());
}
if (params.size () >= 2)
maxage = params[1].get_int ();
if (maxage < 0)
throw JSONRPCError (RPC_INVALID_PARAMETER,
"'maxage' should be non-negative");
if (params.size () >= 3)
from = params[2].get_int ();
if (from < 0)
throw JSONRPCError (RPC_INVALID_PARAMETER, "'from' should be non-negative");
if (params.size () >= 4)
nb = params[3].get_int ();
if (nb < 0)
throw JSONRPCError (RPC_INVALID_PARAMETER, "'nb' should be non-negative");
if (params.size () >= 5)
{
if (params[4].get_str () != "stat")
throw JSONRPCError (RPC_INVALID_PARAMETER,
"fifth argument must be the literal string 'stat'");
stats = true;
}
/* ******************************************* */
/* Iterate over names to build up the result. */
UniValue names(UniValue::VARR);
unsigned count(0);
LOCK (cs_main);
valtype name;
CNameData data;
std::unique_ptr<CNameIterator> iter(pcoinsTip->IterateNames ());
while (iter->next (name, data))
{
const int age = chainActive.Height () - data.getHeight ();
assert (age >= 0);
if (maxage != 0 && age >= maxage)
continue;
if (haveRegexp)
{
const std::string nameStr = ValtypeToString (name);
boost::xpressive::smatch matches;
if (!boost::xpressive::regex_search (nameStr, matches, regexp))
continue;
}
if (from > 0)
{
--from;
continue;
}
assert (from == 0);
if (stats)
++count;
else
names.push_back (getNameInfo (name, data));
if (nb > 0)
{
--nb;
if (nb == 0)
break;
}
}
/* ********************************************************** */
/* Return the correct result (take stats mode into account). */
if (stats)
{
UniValue res(UniValue::VOBJ);
res.push_back (Pair ("blocks", chainActive.Height ()));
res.push_back (Pair ("count", static_cast<int> (count)));
return res;
}
return names;
}
UniValue gettxoutproof(const UniValue& params, bool fHelp)
{
if (fHelp || (params.size() != 1 && params.size() != 2))
throw runtime_error(
"gettxoutproof [\"txid\",...] ( blockhash )\n"
"\nReturns a hex-encoded proof that \"txid\" was included in a block.\n"
"\nNOTE: By default this function only works sometimes. This is when there is an\n"
"unspent output in the utxo for this transaction. To make it always work,\n"
"you need to maintain a transaction index, using the -txindex command line option or\n"
"specify the block in which the transaction is included manually (by blockhash).\n"
"\nReturn the raw transaction data.\n"
"\nArguments:\n"
"1. \"txids\" (string) A json array of txids to filter\n"
" [\n"
" \"txid\" (string) A transaction hash\n"
" ,...\n"
" ]\n"
"2. \"block hash\" (string, optional) If specified, looks for txid in the block with this hash\n"
"\nResult:\n"
"\"data\" (string) A string that is a serialized, hex-encoded data for the proof.\n"
);
set<uint256> setTxids;
uint256 oneTxid;
UniValue txids = params[0].get_array();
for (unsigned int idx = 0; idx < txids.size(); idx++) {
const UniValue& txid = txids[idx];
if (txid.get_str().length() != 64 || !IsHex(txid.get_str()))
throw JSONRPCError(RPC_INVALID_PARAMETER, string("Invalid txid ")+txid.get_str());
uint256 hash(uint256S(txid.get_str()));
if (setTxids.count(hash))
throw JSONRPCError(RPC_INVALID_PARAMETER, string("Invalid parameter, duplicated txid: ")+txid.get_str());
setTxids.insert(hash);
oneTxid = hash;
}
LOCK(cs_main);
CBlockIndex* pblockindex = NULL;
uint256 hashBlock;
if (params.size() > 1)
{
hashBlock = uint256S(params[1].get_str());
if (!mapBlockIndex.count(hashBlock))
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Block not found");
pblockindex = mapBlockIndex[hashBlock];
} else {
CCoins coins;
if (pcoinsTip->GetCoins(oneTxid, coins) && coins.nHeight > 0 && coins.nHeight <= chainActive.Height())
pblockindex = chainActive[coins.nHeight];
}
if (pblockindex == NULL)
{
CTransaction tx;
if (!GetTransaction(oneTxid, tx, Params().GetConsensus(), hashBlock, false) || hashBlock.IsNull())
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Transaction not yet in block");
if (!mapBlockIndex.count(hashBlock))
throw JSONRPCError(RPC_INTERNAL_ERROR, "Transaction index corrupt");
pblockindex = mapBlockIndex[hashBlock];
}
CBlock block;
if(!ReadBlockFromDisk(block, pblockindex, Params().GetConsensus()))
throw JSONRPCError(RPC_INTERNAL_ERROR, "Can't read block from disk");
unsigned int ntxFound = 0;
BOOST_FOREACH(const CTransaction&tx, block.vtx)
if (setTxids.count(tx.GetHash()))
ntxFound++;
if (ntxFound != setTxids.size())
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "(Not all) transactions not found in specified block");
CDataStream ssMB(SER_NETWORK, PROTOCOL_VERSION | SERIALIZE_TRANSACTION_NO_WITNESS);
CMerkleBlock mb(block, setTxids);
ssMB << mb;
std::string strHex = HexStr(ssMB.begin(), ssMB.end());
return strHex;
}
UniValue
name_pending (const UniValue& params, bool fHelp)
{
if (fHelp || params.size () > 1)
throw std::runtime_error (
"name_pending (\"name\")\n"
"\nList unconfirmed name operations in the mempool.\n"
"\nIf a name is given, only check for operations on this name.\n"
"\nArguments:\n"
"1. \"name\" (string, optional) only look for this name\n"
"\nResult:\n"
"[\n"
" {\n"
" \"op\": xxxx (string) the operation being performed\n"
" \"name\": xxxx (string) the name operated on\n"
" \"value\": xxxx (string) the name's new value\n"
" \"txid\": xxxx (string) the txid corresponding to the operation\n"
" \"ismine\": xxxx (boolean) whether the name is owned by the wallet\n"
" },\n"
" ...\n"
"]\n"
+ HelpExampleCli ("name_pending", "")
+ HelpExampleCli ("name_pending", "\"d/domob\"")
+ HelpExampleRpc ("name_pending", "")
);
#ifdef ENABLE_WALLET
LOCK2 (pwalletMain ? &pwalletMain->cs_wallet : NULL, mempool.cs);
#else
LOCK (mempool.cs);
#endif
std::vector<uint256> txHashes;
if (params.size () == 0)
mempool.queryHashes (txHashes);
else
{
const std::string name = params[0].get_str ();
const valtype vchName = ValtypeFromString (name);
const uint256 txid = mempool.getTxForName (vchName);
if (!txid.IsNull ())
txHashes.push_back (txid);
}
UniValue arr(UniValue::VARR);
for (std::vector<uint256>::const_iterator i = txHashes.begin ();
i != txHashes.end (); ++i)
{
std::shared_ptr<const CTransaction> tx = mempool.get (*i);
if (!tx || !tx->IsNamecoin ())
continue;
for (const auto& txOut : tx->vout)
{
const CNameScript op(txOut.scriptPubKey);
if (!op.isNameOp () || !op.isAnyUpdate ())
continue;
const valtype vchName = op.getOpName ();
const valtype vchValue = op.getOpValue ();
const std::string name = ValtypeToString (vchName);
const std::string value = ValtypeToString (vchValue);
std::string strOp;
switch (op.getNameOp ())
{
case OP_NAME_FIRSTUPDATE:
strOp = "name_firstupdate";
break;
case OP_NAME_UPDATE:
strOp = "name_update";
break;
default:
assert (false);
}
UniValue obj(UniValue::VOBJ);
obj.push_back (Pair ("op", strOp));
obj.push_back (Pair ("name", name));
obj.push_back (Pair ("value", value));
obj.push_back (Pair ("txid", tx->GetHash ().GetHex ()));
#ifdef ENABLE_WALLET
isminetype mine = ISMINE_NO;
if (pwalletMain)
mine = IsMine (*pwalletMain, op.getAddress ());
const bool isMine = (mine & ISMINE_SPENDABLE);
obj.push_back (Pair ("ismine", isMine));
#endif
arr.push_back (obj);
}
}
return arr;
}
UniValue decoderawtransaction(const UniValue& params, bool fHelp)
{
if (fHelp || params.size() != 1)
throw runtime_error(
"decoderawtransaction \"hexstring\"\n"
"\nReturn a JSON object representing the serialized, hex-encoded transaction.\n"
"\nArguments:\n"
"1. \"hex\" (string, required) The transaction hex string\n"
"\nResult:\n"
"{\n"
" \"txid\" : \"id\", (string) The transaction id\n"
" \"hash\" : \"id\", (string) The transaction hash (differs from txid for witness transactions)\n"
" \"size\" : n, (numeric) The transaction size\n"
" \"vsize\" : n, (numeric) The virtual transaction size (differs from size for witness transactions)\n"
" \"version\" : n, (numeric) The version\n"
" \"locktime\" : ttt, (numeric) The lock time\n"
" \"vin\" : [ (array of json objects)\n"
" {\n"
" \"txid\": \"id\", (string) The transaction id\n"
" \"vout\": n, (numeric) The output number\n"
" \"scriptSig\": { (json object) The script\n"
" \"asm\": \"asm\", (string) asm\n"
" \"hex\": \"hex\" (string) hex\n"
" },\n"
" \"txinwitness\": [\"hex\", ...] (array of string) hex-encoded witness data (if any)\n"
" \"sequence\": n (numeric) The script sequence number\n"
" }\n"
" ,...\n"
" ],\n"
" \"vout\" : [ (array of json objects)\n"
" {\n"
" \"value\" : x.xxx, (numeric) The value in " + CURRENCY_UNIT + "\n"
" \"n\" : n, (numeric) index\n"
" \"scriptPubKey\" : { (json object)\n"
" \"asm\" : \"asm\", (string) the asm\n"
" \"hex\" : \"hex\", (string) the hex\n"
" \"reqSigs\" : n, (numeric) The required sigs\n"
" \"type\" : \"pubkeyhash\", (string) The type, eg 'pubkeyhash'\n"
" \"addresses\" : [ (json array of string)\n"
" \"12tvKAXCxZjSmdNbao16dKXC8tRWfcF5oc\" (string) florincoin address\n"
" ,...\n"
" ]\n"
" }\n"
" }\n"
" ,...\n"
" ],\n"
"}\n"
"\nExamples:\n"
+ HelpExampleCli("decoderawtransaction", "\"hexstring\"")
+ HelpExampleRpc("decoderawtransaction", "\"hexstring\"")
);
LOCK(cs_main);
RPCTypeCheck(params, boost::assign::list_of(UniValue::VSTR));
CTransaction tx;
if (!DecodeHexTx(tx, params[0].get_str(), true))
throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "TX decode failed");
UniValue result(UniValue::VOBJ);
TxToJSON(tx, uint256(), result);
return result;
}
/**
* @note Do not add or change anything in the information returned by this
* method. `getinfo` exists for backwards-compatibility only. It combines
* information from wildly different sources in the program, which is a mess,
* and is thus planned to be deprecated eventually.
*
* Based on the source of the information, new information should be added to:
* - `getblockchaininfo`,
* - `getnetworkinfo` or
* - `getwalletinfo`
*
* Or alternatively, create a specific query method for the information.
**/
UniValue getinfo(const UniValue& params, bool fHelp)
{
if (fHelp || params.size() != 0)
throw runtime_error(
"getinfo\n"
"Returns an object containing various state info.\n"
"\nResult:\n"
"{\n"
" \"version\": xxxxx, (numeric) the server version\n"
" \"protocolversion\": xxxxx, (numeric) the protocol version\n"
" \"walletversion\": xxxxx, (numeric) the wallet version\n"
" \"balance\": xxxxxxx, (numeric) the total Zcash balance of the wallet\n"
" \"blocks\": xxxxxx, (numeric) the current number of blocks processed in the server\n"
" \"timeoffset\": xxxxx, (numeric) the time offset\n"
" \"connections\": xxxxx, (numeric) the number of connections\n"
" \"proxy\": \"host:port\", (string, optional) the proxy used by the server\n"
" \"difficulty\": xxxxxx, (numeric) the current difficulty\n"
" \"testnet\": true|false, (boolean) if the server is using testnet or not\n"
" \"keypoololdest\": xxxxxx, (numeric) the timestamp (seconds since GMT epoch) of the oldest pre-generated key in the key pool\n"
" \"keypoolsize\": xxxx, (numeric) how many new keys are pre-generated\n"
" \"unlocked_until\": ttt, (numeric) the timestamp in seconds since epoch (midnight Jan 1 1970 GMT) that the wallet is unlocked for transfers, or 0 if the wallet is locked\n"
" \"paytxfee\": x.xxxx, (numeric) the transaction fee set in " + CURRENCY_UNIT + "/kB\n"
" \"relayfee\": x.xxxx, (numeric) minimum relay fee for non-free transactions in " + CURRENCY_UNIT + "/kB\n"
" \"errors\": \"...\" (string) any error messages\n"
"}\n"
"\nExamples:\n"
+ HelpExampleCli("getinfo", "")
+ HelpExampleRpc("getinfo", "")
);
#ifdef ENABLE_WALLET
LOCK2(cs_main, pwalletMain ? &pwalletMain->cs_wallet : NULL);
#else
LOCK(cs_main);
#endif
proxyType proxy;
GetProxy(NET_IPV4, proxy);
UniValue obj(UniValue::VOBJ);
obj.push_back(Pair("version", CLIENT_VERSION));
obj.push_back(Pair("protocolversion", PROTOCOL_VERSION));
#ifdef ENABLE_WALLET
if (pwalletMain) {
obj.push_back(Pair("walletversion", pwalletMain->GetVersion()));
obj.push_back(Pair("balance", ValueFromAmount(pwalletMain->GetBalance())));
}
#endif
obj.push_back(Pair("blocks", (int)chainActive.Height()));
obj.push_back(Pair("timeoffset", GetTimeOffset()));
obj.push_back(Pair("connections", (int)vNodes.size()));
obj.push_back(Pair("proxy", (proxy.IsValid() ? proxy.proxy.ToStringIPPort() : string())));
obj.push_back(Pair("difficulty", (double)GetDifficulty()));
obj.push_back(Pair("testnet", Params().TestnetToBeDeprecatedFieldRPC()));
#ifdef ENABLE_WALLET
if (pwalletMain) {
obj.push_back(Pair("keypoololdest", pwalletMain->GetOldestKeyPoolTime()));
obj.push_back(Pair("keypoolsize", (int)pwalletMain->GetKeyPoolSize()));
}
if (pwalletMain && pwalletMain->IsCrypted())
obj.push_back(Pair("unlocked_until", nWalletUnlockTime));
obj.push_back(Pair("paytxfee", ValueFromAmount(payTxFee.GetFeePerK())));
#endif
obj.push_back(Pair("relayfee", ValueFromAmount(::minRelayTxFee.GetFeePerK())));
obj.push_back(Pair("errors", GetWarnings("statusbar")));
return obj;
}
void TxToJSON(const CTransaction& tx, const uint256 hashBlock, UniValue& entry)
{
entry.push_back(Pair("txid", tx.GetHash().GetHex()));
entry.push_back(Pair("hash", tx.GetWitnessHash().GetHex()));
entry.push_back(Pair("size", (int)::GetSerializeSize(tx, SER_NETWORK, PROTOCOL_VERSION)));
entry.push_back(Pair("vsize", (int)::GetVirtualTransactionSize(tx)));
entry.push_back(Pair("version", tx.nVersion));
entry.push_back(Pair("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.push_back(Pair("coinbase", HexStr(txin.scriptSig.begin(), txin.scriptSig.end())));
else {
in.push_back(Pair("txid", txin.prevout.hash.GetHex()));
in.push_back(Pair("vout", (int64_t)txin.prevout.n));
UniValue o(UniValue::VOBJ);
o.push_back(Pair("asm", ScriptToAsmStr(txin.scriptSig, true)));
o.push_back(Pair("hex", HexStr(txin.scriptSig.begin(), txin.scriptSig.end())));
in.push_back(Pair("scriptSig", o));
}
if (!tx.wit.IsNull()) {
if (!tx.wit.vtxinwit[i].IsNull()) {
UniValue txinwitness(UniValue::VARR);
for (unsigned int j = 0; j < tx.wit.vtxinwit[i].scriptWitness.stack.size(); j++) {
std::vector<unsigned char> item = tx.wit.vtxinwit[i].scriptWitness.stack[j];
txinwitness.push_back(HexStr(item.begin(), item.end()));
}
in.push_back(Pair("txinwitness", txinwitness));
}
}
in.push_back(Pair("sequence", (int64_t)txin.nSequence));
vin.push_back(in);
}
entry.push_back(Pair("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);
out.push_back(Pair("value", ValueFromAmount(txout.nValue)));
out.push_back(Pair("n", (int64_t)i));
UniValue o(UniValue::VOBJ);
ScriptPubKeyToJSON(txout.scriptPubKey, o, true);
out.push_back(Pair("scriptPubKey", o));
vout.push_back(out);
}
entry.push_back(Pair("vout", vout));
if (!hashBlock.IsNull()) {
entry.push_back(Pair("blockhash", hashBlock.GetHex()));
BlockMap::iterator mi = mapBlockIndex.find(hashBlock);
if (mi != mapBlockIndex.end() && (*mi).second) {
CBlockIndex* pindex = (*mi).second;
if (chainActive.Contains(pindex)) {
entry.push_back(Pair("confirmations", 1 + chainActive.Height() - pindex->nHeight));
entry.push_back(Pair("time", pindex->GetBlockTime()));
entry.push_back(Pair("blocktime", pindex->GetBlockTime()));
}
else
entry.push_back(Pair("confirmations", 0));
}
}
}
UniValue ProcessReply(const UniValue &reply) override
{
return reply.get_obj();
}
void RPCTypeCheckArgument(const UniValue& value, const UniValueType& typeExpected)
{
if (!typeExpected.typeAny && value.type() != typeExpected.type) {
throw JSONRPCError(RPC_TYPE_ERROR, strprintf("Expected type %s, got %s", uvTypeName(typeExpected.type), uvTypeName(value.type())));
}
}
static UniValue CallRPC(BaseRequestHandler *rh, const std::string& strMethod, const std::vector<std::string>& args)
{
std::string host;
// In preference order, we choose the following for the port:
// 1. -rpcport
// 2. port in -rpcconnect (ie following : in ipv4 or ]: in ipv6)
// 3. default port for chain
int port = BaseParams().RPCPort();
SplitHostPort(gArgs.GetArg("-rpcconnect", DEFAULT_RPCCONNECT), port, host);
port = gArgs.GetArg("-rpcport", port);
// Obtain event base
raii_event_base base = obtain_event_base();
// Synchronously look up hostname
raii_evhttp_connection evcon = obtain_evhttp_connection_base(base.get(), host, port);
evhttp_connection_set_timeout(evcon.get(), gArgs.GetArg("-rpcclienttimeout", DEFAULT_HTTP_CLIENT_TIMEOUT));
HTTPReply response;
raii_evhttp_request req = obtain_evhttp_request(http_request_done, (void*)&response);
if (req == nullptr)
throw std::runtime_error("create http request failed");
#if LIBEVENT_VERSION_NUMBER >= 0x02010300
evhttp_request_set_error_cb(req.get(), http_error_cb);
#endif
// Get credentials
std::string strRPCUserColonPass;
bool failedToGetAuthCookie = false;
if (gArgs.GetArg("-rpcpassword", "") == "") {
// Try fall back to cookie-based authentication if no password is provided
if (!GetAuthCookie(&strRPCUserColonPass)) {
failedToGetAuthCookie = true;
}
} else {
strRPCUserColonPass = gArgs.GetArg("-rpcuser", "") + ":" + gArgs.GetArg("-rpcpassword", "");
}
struct evkeyvalq* output_headers = evhttp_request_get_output_headers(req.get());
assert(output_headers);
evhttp_add_header(output_headers, "Host", host.c_str());
evhttp_add_header(output_headers, "Connection", "close");
evhttp_add_header(output_headers, "Authorization", (std::string("Basic ") + EncodeBase64(strRPCUserColonPass)).c_str());
// Attach request data
std::string strRequest = rh->PrepareRequest(strMethod, args).write() + "\n";
struct evbuffer* output_buffer = evhttp_request_get_output_buffer(req.get());
assert(output_buffer);
evbuffer_add(output_buffer, strRequest.data(), strRequest.size());
// check if we should use a special wallet endpoint
std::string endpoint = "/";
if (!gArgs.GetArgs("-rpcwallet").empty()) {
std::string walletName = gArgs.GetArg("-rpcwallet", "");
char *encodedURI = evhttp_uriencode(walletName.c_str(), walletName.size(), false);
if (encodedURI) {
endpoint = "/wallet/"+ std::string(encodedURI);
free(encodedURI);
}
else {
throw CConnectionFailed("uri-encode failed");
}
}
int r = evhttp_make_request(evcon.get(), req.get(), EVHTTP_REQ_POST, endpoint.c_str());
req.release(); // ownership moved to evcon in above call
if (r != 0) {
throw CConnectionFailed("send http request failed");
}
event_base_dispatch(base.get());
if (response.status == 0) {
std::string responseErrorMessage;
if (response.error != -1) {
responseErrorMessage = strprintf(" (error code %d - \"%s\")", response.error, http_errorstring(response.error));
}
throw CConnectionFailed(strprintf("Could not connect to the server %s:%d%s\n\nMake sure the bitcoind server is running and that you are connecting to the correct RPC port.", host, port, responseErrorMessage));
} else if (response.status == HTTP_UNAUTHORIZED) {
if (failedToGetAuthCookie) {
throw std::runtime_error(strprintf(
"Could not locate RPC credentials. No authentication cookie could be found, and RPC password is not set. See -rpcpassword and -stdinrpcpass. Configuration file: (%s)",
GetConfigFile(gArgs.GetArg("-conf", BITCOIN_CONF_FILENAME)).string().c_str()));
} else {
throw std::runtime_error("Authorization failed: Incorrect rpcuser or rpcpassword");
}
} else if (response.status >= 400 && response.status != HTTP_BAD_REQUEST && response.status != HTTP_NOT_FOUND && response.status != HTTP_INTERNAL_SERVER_ERROR)
throw std::runtime_error(strprintf("server returned HTTP error %d", response.status));
else if (response.body.empty())
throw std::runtime_error("no response from server");
// Parse reply
UniValue valReply(UniValue::VSTR);
if (!valReply.read(response.body))
throw std::runtime_error("couldn't parse reply from server");
const UniValue reply = rh->ProcessReply(valReply);
if (reply.empty())
throw std::runtime_error("expected reply to have result, error and id properties");
return reply;
}
static void MutateTxSign(CMutableTransaction& tx, const string& flagStr)
{
int nHashType = SIGHASH_ALL;
if (flagStr.size() > 0)
if (!findSighashFlags(nHashType, flagStr))
throw runtime_error("unknown sighash flag/sign option");
vector<CTransaction> txVariants;
txVariants.push_back(tx);
// mergedTx will end up with all the signatures; it
// starts as a clone of the raw tx:
CMutableTransaction mergedTx(txVariants[0]);
bool fComplete = true;
CCoinsView viewDummy;
CCoinsViewCache view(&viewDummy);
if (!registers.count("privatekeys"))
throw runtime_error("privatekeys register variable must be set.");
bool fGivenKeys = false;
CBasicKeyStore tempKeystore;
UniValue keysObj = registers["privatekeys"];
fGivenKeys = true;
for (unsigned int kidx = 0; kidx < keysObj.size(); kidx++) {
if (!keysObj[kidx].isStr())
throw runtime_error("privatekey not a string");
COnlineSecret vchSecret;
bool fGood = vchSecret.SetString(keysObj[kidx].getValStr());
if (!fGood)
throw runtime_error("privatekey not valid");
CKey key = vchSecret.GetKey();
tempKeystore.AddKey(key);
}
// Add previous txouts given in the RPC call:
if (!registers.count("prevtxs"))
throw runtime_error("prevtxs register variable must be set.");
UniValue prevtxsObj = registers["prevtxs"];
{
for (unsigned int previdx = 0; previdx < prevtxsObj.size(); previdx++) {
UniValue prevOut = prevtxsObj[previdx];
if (!prevOut.isObject())
throw runtime_error("expected prevtxs internal object");
map<string,UniValue::VType> types = boost::assign::map_list_of("txid", UniValue::VSTR)("vout",UniValue::VNUM)("scriptPubKey",UniValue::VSTR);
if (!prevOut.checkObject(types))
throw runtime_error("prevtxs internal object typecheck fail");
uint256 txid = ParseHashUV(prevOut["txid"], "txid");
int nOut = atoi(prevOut["vout"].getValStr());
if (nOut < 0)
throw runtime_error("vout must be positive");
vector<unsigned char> pkData(ParseHexUV(prevOut["scriptPubKey"], "scriptPubKey"));
CScript scriptPubKey(pkData.begin(), pkData.end());
{
CCoinsModifier coins = view.ModifyCoins(txid);
if (coins->IsAvailable(nOut) && coins->vout[nOut].scriptPubKey != scriptPubKey) {
string err("Previous output scriptPubKey mismatch:\n");
err = err + coins->vout[nOut].scriptPubKey.ToString() + "\nvs:\n"+
scriptPubKey.ToString();
throw runtime_error(err);
}
if ((unsigned int)nOut >= coins->vout.size())
coins->vout.resize(nOut+1);
coins->vout[nOut].scriptPubKey = scriptPubKey;
coins->vout[nOut].nValue = 0; // we don't know the actual output value
}
// if redeemScript given and private keys given,
// add redeemScript to the tempKeystore so it can be signed:
if (fGivenKeys && scriptPubKey.IsPayToScriptHash() &&
prevOut.exists("redeemScript")) {
UniValue v = prevOut["redeemScript"];
vector<unsigned char> rsData(ParseHexUV(v, "redeemScript"));
CScript redeemScript(rsData.begin(), rsData.end());
tempKeystore.AddCScript(redeemScript);
}
}
}
const CKeyStore& keystore = tempKeystore;
bool fHashSingle = ((nHashType & ~SIGHASH_ANYONECANPAY) == SIGHASH_SINGLE);
// Sign what we can:
for (unsigned int i = 0; i < mergedTx.vin.size(); i++) {
CTxIn& txin = mergedTx.vin[i];
const CCoins* coins = view.AccessCoins(txin.prevout.hash);
if (!coins || !coins->IsAvailable(txin.prevout.n)) {
fComplete = false;
continue;
}
const CScript& prevPubKey = coins->vout[txin.prevout.n].scriptPubKey;
txin.scriptSig.clear();
// Only sign SIGHASH_SINGLE if there's a corresponding output:
if (!fHashSingle || (i < mergedTx.vout.size()))
SignSignature(keystore, prevPubKey, mergedTx, i, nHashType);
// ... and merge in other signatures:
BOOST_FOREACH(const CTransaction& txv, txVariants) {
txin.scriptSig = CombineSignatures(prevPubKey, mergedTx, i, txin.scriptSig, txv.vin[i].scriptSig);
}
if (!VerifyScript(txin.scriptSig, prevPubKey, STANDARD_SCRIPT_VERIFY_FLAGS, MutableTransactionSignatureChecker(&mergedTx, i)))
fComplete = false;
}
static int CommandLineRPC(int argc, char *argv[])
{
std::string strPrint;
int nRet = 0;
try {
// Skip switches
while (argc > 1 && IsSwitchChar(argv[1][0])) {
argc--;
argv++;
}
std::string rpcPass;
if (gArgs.GetBoolArg("-stdinrpcpass", false)) {
if (!std::getline(std::cin, rpcPass)) {
throw std::runtime_error("-stdinrpcpass specified but failed to read from standard input");
}
gArgs.ForceSetArg("-rpcpassword", rpcPass);
}
std::vector<std::string> args = std::vector<std::string>(&argv[1], &argv[argc]);
if (gArgs.GetBoolArg("-stdin", false)) {
// Read one arg per line from stdin and append
std::string line;
while (std::getline(std::cin, line)) {
args.push_back(line);
}
}
std::unique_ptr<BaseRequestHandler> rh;
std::string method;
if (gArgs.GetBoolArg("-getinfo", false)) {
rh.reset(new GetinfoRequestHandler());
method = "";
} else {
rh.reset(new DefaultRequestHandler());
if (args.size() < 1) {
throw std::runtime_error("too few parameters (need at least command)");
}
method = args[0];
args.erase(args.begin()); // Remove trailing method name from arguments vector
}
// Execute and handle connection failures with -rpcwait
const bool fWait = gArgs.GetBoolArg("-rpcwait", false);
do {
try {
const UniValue reply = CallRPC(rh.get(), method, args);
// Parse reply
const UniValue& result = find_value(reply, "result");
const UniValue& error = find_value(reply, "error");
if (!error.isNull()) {
// Error
int code = error["code"].get_int();
if (fWait && code == RPC_IN_WARMUP)
throw CConnectionFailed("server in warmup");
strPrint = "error: " + error.write();
nRet = abs(code);
if (error.isObject())
{
UniValue errCode = find_value(error, "code");
UniValue errMsg = find_value(error, "message");
strPrint = errCode.isNull() ? "" : "error code: "+errCode.getValStr()+"\n";
if (errMsg.isStr())
strPrint += "error message:\n"+errMsg.get_str();
if (errCode.isNum() && errCode.get_int() == RPC_WALLET_NOT_SPECIFIED) {
strPrint += "\nTry adding \"-rpcwallet=<filename>\" option to bitcoin-cli command line.";
}
}
} else {
// Result
if (result.isNull())
strPrint = "";
else if (result.isStr())
strPrint = result.get_str();
else
strPrint = result.write(2);
}
// Connection succeeded, no need to retry.
break;
}
catch (const CConnectionFailed&) {
if (fWait)
MilliSleep(1000);
else
throw;
}
} while (fWait);
}
catch (const boost::thread_interrupted&) {
throw;
}
catch (const std::exception& e) {
strPrint = std::string("error: ") + e.what();
nRet = EXIT_FAILURE;
}
catch (...) {
PrintExceptionContinue(nullptr, "CommandLineRPC()");
throw;
}
if (strPrint != "") {
fprintf((nRet == 0 ? stdout : stderr), "%s\n", strPrint.c_str());
}
return nRet;
}
