Don't accept default argument for eth. Fixes #1250.

Remove pointless exception.
Reduce JS verbosity.

eth/main.cpp

@@ -103,7 +103,7 @@ void interactiveHelp()
 void help()
 {
 	cout
-		<< "Usage eth [OPTIONS] <remote-host>" << endl
+		<< "Usage eth [OPTIONS]" << endl
 		<< "Options:" << endl
 		<< "    -a,--address <addr>  Set the coinbase (mining payout) address to addr (default: auto)." << endl
 		<< "    -b,--bootstrap  Connect to the default Ethereum peerserver." << endl
@@ -407,7 +407,10 @@ int main(int argc, char** argv)
 		else if (arg == "-V" || arg == "--version")
 			version();
 		else
-			remoteHost = argv[i];
+		{
+			cerr << "Invalid argument: " << arg << endl;
+			exit(-1);
+		}
 	}
 
 	if (!clientName.empty())

libethcore/Exceptions.h

@@ -59,7 +59,6 @@ struct InvalidGasUsed: virtual dev::Exception {};
 class InvalidTransactionsHash: virtual public dev::Exception {};
 struct InvalidTransaction: virtual dev::Exception {};
 struct InvalidDifficulty: virtual dev::Exception {};
-struct InvalidSeedHash: virtual dev::Exception {};
 class InvalidGasLimit: virtual public dev::Exception {};
 struct InvalidTransactionGasUsed: virtual dev::Exception {};
 struct InvalidTransactionsStateRoot: virtual dev::Exception {};

libjsqrc/ethereumjs/dist/ethereum.js

@@ -2048,7 +2048,6 @@ var filter = function(options, implementation, formatter) {
     // call the callbacks
     var onMessages = function (messages) {
         messages.forEach(function (message) {
-			console.log("Got message: " + JSON.stringify(message));
 			message = formatter ? formatter(message) : message;
             callbacks.forEach(function (callback) {
 				callback(message);