feat(onBlockFound): add parameter to call file when a block is found

src/main.cpp

@@ -49,6 +49,7 @@ void p2pool_usage()
 		"--no-autodiff        Disable automatic difficulty adjustment for miners connected to stratum\n"
 		"--rpc-login          Specify username[:password] required for Monero RPC server\n"
 		"--on-share-found     Path of file to run when share is found\n"
+		"--on-block-found     Path of file to run when block is found\n"
 		"--help               Show this help message\n\n"
 		"Example command line:\n\n"
 		"%s --host 127.0.0.1 --rpc-port 18081 --zmq-port 18083 --wallet YOUR_WALLET_ADDRESS --stratum 0.0.0.0:%d --p2p 0.0.0.0:%d\n\n",

src/p2pool.cpp

@@ -391,6 +391,37 @@ void p2pool::handle_chain_main(ChainMain& data, const char* extra)
 				LOGINFO(0, log::LightCyan() << "You received a payout of " << log::LightGreen() << log::XMRAmount(payout) << log::LightCyan() << " in block " << log::LightGreen() << data.height);
 			}
 			api_update_block_found(&data);
+
+			if(!params().m_onBlockFound.empty())
+			{
+			    std::stringstream cmd;
+
+			    cmd << params().m_onBlockFound << " BLOCK " << data.id << " " << data.timestamp << " " << data.reward << " " << payout;
+
+			    //Show it as a block
+//			    cmd << " BLOCK";
+			    //Pass the block ID
+//			    cmd << " " << data.id;
+			    //Timestamp
+//			    cmd << " " << data.timestamp;
+			    //Reward
+//			    cmd << " " << data.reward;
+			    //Payout
+//			    cmd << " " << log::XMRAmount(payout);
+
+			    //system() requires char and not string, convert to char
+			    std::string ss(cmd.str());
+
+                char sys[ss.length() + 1];
+                strcpy(sys, ss.c_str());
+
+                //If there is an error, then log it
+                if(!system(sys))
+                {
+                    LOGINFO(4, "ERROR Calling onBlockFound");
+                }
+
+			}
 		}
 		else {
 			side_chain().watch_mainchain_block(data, sidechain_id);

src/params.cpp

@@ -140,6 +140,11 @@ Params::Params(int argc, char* argv[])
 			ok = true;
 		}
 
+		if ((strcmp(argv[i], "--on-block-found") == 0) && (i + 1 < argc)) {
+			m_onBlockFound = argv[++i];
+			ok = true;
+		}
+
 		if (!ok) {
 			fprintf(stderr, "Unknown command line parameter %s\n\n", argv[i]);
 			p2pool_usage();

src/params.h

@@ -51,6 +51,7 @@ struct Params
 	bool m_autoDiff = true;
 	std::string m_rpcLogin;
 	std::string m_onShareFound;
+	std::string m_onBlockFound;
 };
 
 } // namespace p2pool