Basic consensus implementation (#45)

Consensus for user connections, user inputs, contract outputs and time.

src/conf.cpp

@@ -38,6 +38,14 @@ int init()
     if (validate_contract_dir_paths() != 0 || load_config() != 0 || validate_config() != 0)
         return -1;
 
+    // Append self peer to peer list.
+    std::string portstr = std::to_string(cfg.peerport);
+    std::string peerid = "0.0.0.0:" + portstr;
+    cfg.peers.emplace(std::move(peerid), std::make_pair("0.0.0.0", portstr));
+
+    // Append self pubkey to unl list.
+    cfg.unl.emplace(cfg.pubkey);
+
     return 0;
 }
 
@@ -457,7 +465,7 @@ int validate_contract_dir_paths()
             {
                 std::cout << path << " does not exist. Please provide self-signed certificates. Can generate using command\n"
                           << "openssl req -newkey rsa:2048 -new -nodes -x509 -days 3650 -keyout key.pem -out cert.pem\n"
-                          << "and add it to " + ctx.configDir;
+                          << "and add it to " + ctx.configDir << std::endl;
             }
             else
             {