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5e69a43
Add test for bitcoin-cli -getinfo (John Newbery)3826253
rpc: Handle `getinfo` locally in bitcoin-cli w/ `-getinfo` (Wladimir J. van der Laan) Pull request description: Since @laanwj doesn't want to maintain these changes anymore, I will. This PR is a revival of #8843. I have addressed @jnewbery's comments. Regarding atomicity, I don't think that is a concern here. This is explicitly a new API and those who use it will know that this is different and that it is not atomic. Tree-SHA512: 9664ed13a5557bda8c43f34d6527669a641f260b7830e592409b28c845258fc7e0fdd85dd42bfa88c103fea3ecdfede5f81e3d91870e2accba81c6d6de6b21ff
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119
src/dash-cli.cpp
119
src/dash-cli.cpp
@ -39,6 +39,7 @@ std::string HelpMessageCli()
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strUsage += HelpMessageOpt("-?", _("This help message"));
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strUsage += HelpMessageOpt("-conf=<file>", strprintf(_("Specify configuration file (default: %s)"), BITCOIN_CONF_FILENAME));
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strUsage += HelpMessageOpt("-datadir=<dir>", _("Specify data directory"));
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strUsage += HelpMessageOpt("-getinfo", _("Get general information from the remote server. Note that unlike server-side RPC calls, the results of -getinfo is the result of multiple non-atomic requests. Some entries in the result may represent results from different states (e.g. wallet balance may be as of a different block from the chain state reported)"));
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AppendParamsHelpMessages(strUsage);
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strUsage += HelpMessageOpt("-named", strprintf(_("Pass named instead of positional arguments (default: %s)"), DEFAULT_NAMED));
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strUsage += HelpMessageOpt("-rpcconnect=<ip>", strprintf(_("Send commands to node running on <ip> (default: %s)"), DEFAULT_RPCCONNECT));
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@ -204,7 +205,96 @@ static void http_error_cb(enum evhttp_request_error err, void *ctx)
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}
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#endif
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static UniValue CallRPC(const std::string& strMethod, const UniValue& params)
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/** Class that handles the conversion from a command-line to a JSON-RPC request,
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* as well as converting back to a JSON object that can be shown as result.
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*/
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class BaseRequestHandler
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{
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public:
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virtual UniValue PrepareRequest(const std::string& method, const std::vector<std::string>& args) = 0;
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virtual UniValue ProcessReply(const UniValue &batch_in) = 0;
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};
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/** Process getinfo requests */
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class GetinfoRequestHandler: public BaseRequestHandler
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{
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public:
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const int ID_NETWORKINFO = 0;
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const int ID_BLOCKCHAININFO = 1;
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const int ID_WALLETINFO = 2;
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/** Create a simulated `getinfo` request. */
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UniValue PrepareRequest(const std::string& method, const std::vector<std::string>& args) override
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{
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UniValue result(UniValue::VARR);
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result.push_back(JSONRPCRequestObj("getnetworkinfo", NullUniValue, ID_NETWORKINFO));
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result.push_back(JSONRPCRequestObj("getblockchaininfo", NullUniValue, ID_BLOCKCHAININFO));
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result.push_back(JSONRPCRequestObj("getwalletinfo", NullUniValue, ID_WALLETINFO));
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return result;
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}
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/** Collect values from the batch and form a simulated `getinfo` reply. */
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UniValue ProcessReply(const UniValue &batch_in) override
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{
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UniValue result(UniValue::VOBJ);
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std::vector<UniValue> batch = JSONRPCProcessBatchReply(batch_in, 3);
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// Errors in getnetworkinfo() and getblockchaininfo() are fatal, pass them on
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// getwalletinfo() is allowed to fail in case there is no wallet.
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if (!batch[ID_NETWORKINFO]["error"].isNull()) {
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return batch[ID_NETWORKINFO];
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}
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if (!batch[ID_BLOCKCHAININFO]["error"].isNull()) {
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return batch[ID_BLOCKCHAININFO];
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}
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result.pushKV("version", batch[ID_NETWORKINFO]["result"]["version"]);
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result.pushKV("protocolversion", batch[ID_NETWORKINFO]["result"]["protocolversion"]);
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if (!batch[ID_WALLETINFO].isNull()) {
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result.pushKV("walletversion", batch[ID_WALLETINFO]["result"]["walletversion"]);
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result.pushKV("balance", batch[ID_WALLETINFO]["result"]["balance"]);
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}
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result.pushKV("blocks", batch[ID_BLOCKCHAININFO]["result"]["blocks"]);
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result.pushKV("timeoffset", batch[ID_NETWORKINFO]["result"]["timeoffset"]);
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result.pushKV("connections", batch[ID_NETWORKINFO]["result"]["connections"]);
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result.pushKV("proxy", batch[ID_NETWORKINFO]["result"]["networks"][0]["proxy"]);
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result.pushKV("difficulty", batch[ID_BLOCKCHAININFO]["result"]["difficulty"]);
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result.pushKV("testnet", UniValue(batch[ID_BLOCKCHAININFO]["result"]["chain"].get_str() == "test"));
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if (!batch[ID_WALLETINFO].isNull()) {
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result.pushKV("walletversion", batch[ID_WALLETINFO]["result"]["walletversion"]);
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result.pushKV("balance", batch[ID_WALLETINFO]["result"]["balance"]);
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result.pushKV("keypoololdest", batch[ID_WALLETINFO]["result"]["keypoololdest"]);
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result.pushKV("keypoolsize", batch[ID_WALLETINFO]["result"]["keypoolsize"]);
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if (!batch[ID_WALLETINFO]["result"]["unlocked_until"].isNull()) {
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result.pushKV("unlocked_until", batch[ID_WALLETINFO]["result"]["unlocked_until"]);
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}
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result.pushKV("paytxfee", batch[ID_WALLETINFO]["result"]["paytxfee"]);
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}
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result.pushKV("relayfee", batch[ID_NETWORKINFO]["result"]["relayfee"]);
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result.pushKV("warnings", batch[ID_NETWORKINFO]["result"]["warnings"]);
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return JSONRPCReplyObj(result, NullUniValue, 1);
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}
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};
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/** Process default single requests */
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class DefaultRequestHandler: public BaseRequestHandler {
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public:
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UniValue PrepareRequest(const std::string& method, const std::vector<std::string>& args) override
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{
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UniValue params;
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if(gArgs.GetBoolArg("-named", DEFAULT_NAMED)) {
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params = RPCConvertNamedValues(method, args);
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} else {
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params = RPCConvertValues(method, args);
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}
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return JSONRPCRequestObj(method, params, 1);
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}
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UniValue ProcessReply(const UniValue &reply) override
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{
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return reply.get_obj();
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}
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};
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static UniValue CallRPC(BaseRequestHandler *rh, const std::string& strMethod, const std::vector<std::string>& args)
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{
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std::string host;
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// In preference order, we choose the following for the port:
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@ -251,7 +341,7 @@ static UniValue CallRPC(const std::string& strMethod, const UniValue& params)
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evhttp_add_header(output_headers, "Authorization", (std::string("Basic ") + EncodeBase64(strRPCUserColonPass)).c_str());
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// Attach request data
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std::string strRequest = JSONRPCRequestObj(strMethod, params, 1).write() + "\n";
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std::string strRequest = rh->PrepareRequest(strMethod, args).write() + "\n";
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struct evbuffer* output_buffer = evhttp_request_get_output_buffer(req.get());
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assert(output_buffer);
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evbuffer_add(output_buffer, strRequest.data(), strRequest.size());
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@ -290,7 +380,7 @@ static UniValue CallRPC(const std::string& strMethod, const UniValue& params)
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UniValue valReply(UniValue::VSTR);
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if (!valReply.read(response.body))
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throw std::runtime_error("couldn't parse reply from server");
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const UniValue& reply = valReply.get_obj();
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const UniValue reply = rh->ProcessReply(valReply);
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if (reply.empty())
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throw std::runtime_error("expected reply to have result, error and id properties");
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@ -322,24 +412,25 @@ int CommandLineRPC(int argc, char *argv[])
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args.push_back(line);
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}
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}
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if (args.size() < 1) {
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throw std::runtime_error("too few parameters (need at least command)");
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}
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std::string strMethod = args[0];
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args.erase(args.begin()); // Remove trailing method name from arguments vector
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UniValue params;
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if(gArgs.GetBoolArg("-named", DEFAULT_NAMED)) {
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params = RPCConvertNamedValues(strMethod, args);
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std::unique_ptr<BaseRequestHandler> rh;
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std::string method;
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if (gArgs.GetBoolArg("-getinfo", false)) {
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rh.reset(new GetinfoRequestHandler());
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method = "";
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} else {
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params = RPCConvertValues(strMethod, args);
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rh.reset(new DefaultRequestHandler());
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if (args.size() < 1) {
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throw std::runtime_error("too few parameters (need at least command)");
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}
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method = args[0];
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args.erase(args.begin()); // Remove trailing method name from arguments vector
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}
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// Execute and handle connection failures with -rpcwait
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const bool fWait = gArgs.GetBoolArg("-rpcwait", false);
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do {
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try {
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const UniValue reply = CallRPC(strMethod, params);
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const UniValue reply = CallRPC(rh.get(), method, args);
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// Parse reply
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const UniValue& result = find_value(reply, "result");
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@ -20,7 +20,7 @@
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* JSON-RPC protocol. Bitcoin speaks version 1.0 for maximum compatibility,
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* but uses JSON-RPC 1.1/2.0 standards for parts of the 1.0 standard that were
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* unspecified (HTTP errors and contents of 'error').
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*
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*
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* 1.0 spec: http://json-rpc.org/wiki/specification
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* 1.2 spec: http://jsonrpc.org/historical/json-rpc-over-http.html
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*/
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@ -137,3 +137,22 @@ void DeleteAuthCookie()
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}
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}
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std::vector<UniValue> JSONRPCProcessBatchReply(const UniValue &in, size_t num)
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{
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if (!in.isArray()) {
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throw std::runtime_error("Batch must be an array");
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}
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std::vector<UniValue> batch(num);
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for (size_t i=0; i<in.size(); ++i) {
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const UniValue &rec = in[i];
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if (!rec.isObject()) {
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throw std::runtime_error("Batch member must be object");
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}
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size_t id = rec["id"].get_int();
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if (id >= num) {
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throw std::runtime_error("Batch member id larger than size");
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}
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batch[id] = rec;
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}
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return batch;
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}
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@ -98,5 +98,7 @@ bool GenerateAuthCookie(std::string *cookie_out);
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bool GetAuthCookie(std::string *cookie_out);
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/** Delete RPC authentication cookie from disk */
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void DeleteAuthCookie();
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/** Parse JSON-RPC batch reply into a vector */
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std::vector<UniValue> JSONRPCProcessBatchReply(const UniValue &in, size_t num);
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#endif // BITCOIN_RPCPROTOCOL_H
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@ -35,5 +35,28 @@ class TestBitcoinCli(BitcoinTestFramework):
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assert_equal(["foo", "bar"], self.nodes[0].cli('-rpcuser=%s' % user, '-stdin', '-stdinrpcpass', input=password + "\nfoo\nbar").echo())
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assert_raises_process_error(1, "incorrect rpcuser or rpcpassword", self.nodes[0].cli('-rpcuser=%s' % user, '-stdin', '-stdinrpcpass', input="foo").echo)
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self.log.info("Compare responses from `bitcoin-cli -getinfo` and the RPCs data is retrieved from.")
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cli_get_info = self.nodes[0].cli('-getinfo').help()
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wallet_info = self.nodes[0].getwalletinfo()
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network_info = self.nodes[0].getnetworkinfo()
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blockchain_info = self.nodes[0].getblockchaininfo()
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assert_equal(cli_get_info['version'], network_info['version'])
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assert_equal(cli_get_info['protocolversion'], network_info['protocolversion'])
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assert_equal(cli_get_info['walletversion'], wallet_info['walletversion'])
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assert_equal(cli_get_info['balance'], wallet_info['balance'])
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assert_equal(cli_get_info['blocks'], blockchain_info['blocks'])
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assert_equal(cli_get_info['timeoffset'], network_info['timeoffset'])
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assert_equal(cli_get_info['connections'], network_info['connections'])
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assert_equal(cli_get_info['proxy'], network_info['networks'][0]['proxy'])
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assert_equal(cli_get_info['difficulty'], blockchain_info['difficulty'])
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assert_equal(cli_get_info['testnet'], blockchain_info['chain'] == "test")
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assert_equal(cli_get_info['balance'], wallet_info['balance'])
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assert_equal(cli_get_info['keypoololdest'], wallet_info['keypoololdest'])
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assert_equal(cli_get_info['keypoolsize'], wallet_info['keypoolsize'])
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assert_equal(cli_get_info['paytxfee'], wallet_info['paytxfee'])
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assert_equal(cli_get_info['relayfee'], network_info['relayfee'])
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# unlocked_until is not tested because the wallet is not encrypted
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if __name__ == '__main__':
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TestBitcoinCli().main()
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