static void OutputTxJSON(const CTransaction& tx) { UniValue entry(UniValue::VOBJ); TxToUniv(tx, uint256(), entry); std::string jsonOutput = entry.write(4); fprintf(stdout, "%s\n", jsonOutput.c_str()); }
static bool rest_tx(HTTPRequest* req, const std::string& strURIPart) { 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); if (g_txindex) { g_txindex->BlockUntilSyncedToCurrentChain(); } CTransactionRef tx; uint256 hashBlock = uint256(); if (!GetTransaction(hash, tx, Params().GetConsensus(), hashBlock, true)) return RESTERR(req, HTTP_NOT_FOUND, hashStr + " not found"); CDataStream ssTx(SER_NETWORK, PROTOCOL_VERSION | RPCSerializationFlags()); ssTx << tx; switch (rf) { case RetFormat::BINARY: { std::string binaryTx = ssTx.str(); req->WriteHeader("Content-Type", "application/octet-stream"); req->WriteReply(HTTP_OK, binaryTx); return true; } case RetFormat::HEX: { std::string strHex = HexStr(ssTx.begin(), ssTx.end()) + "\n"; req->WriteHeader("Content-Type", "text/plain"); req->WriteReply(HTTP_OK, strHex); return true; } case RetFormat::JSON: { UniValue objTx(UniValue::VOBJ); TxToUniv(*tx, hashBlock, objTx); std::string strJSON = objTx.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() + ")"); } } }
void TxToJSON(const CTransaction& tx, const uint256 hashBlock, UniValue& entry) { // Call into TxToUniv() in bitcoin-common to decode the transaction hex. // // Blockchain contextual information (confirmations and blocktime) is not // available to code in bitcoin-common, so we query them here and push the // data into the returned UniValue. TxToUniv(tx, uint256(), entry, true, RPCSerializationFlags()); 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 decoderawtransaction(const JSONRPCRequest& request) { if (request.fHelp || request.params.size() != 1) throw std::runtime_error( "decoderawtransaction \"hexstring\"\n" "\nReturn a JSON object representing the serialized, hex-encoded transaction.\n" "\nArguments:\n" "1. \"hexstring\" (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) bitcoin address\n" " ,...\n" " ]\n" " }\n" " }\n" " ,...\n" " ],\n" "}\n" "\nExamples:\n" + HelpExampleCli("decoderawtransaction", "\"hexstring\"") + HelpExampleRpc("decoderawtransaction", "\"hexstring\"") ); LOCK(cs_main); RPCTypeCheck(request.params, {UniValue::VSTR}); CMutableTransaction mtx; if (!DecodeHexTx(mtx, request.params[0].get_str(), true)) throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "TX decode failed"); UniValue result(UniValue::VOBJ); TxToUniv(CTransaction(std::move(mtx)), uint256(), result, false); return result; }