do not remove peer if there are no others to try

.gitignore

@@ -15,3 +15,5 @@ app_state*
 /config/blockchain_creds_dev.json
 /config/marbles_dev.json
 /config/crypto/hsbn
+/config/blockchain_creds_dev2.json
+/config/marbles_dev2.json

docs/install_chaincode_locally.md

@@ -28,8 +28,8 @@ There are several files, which is fine since our script will send the directory.
 
 The script we will use is `install_chaincode.js` in the `scripts` folder. 
 It will read in our marbles config file and the blockchain creds file. 
-You can change the marbles chaincode ID or version by editing your creds file. 
-Open the config file readme below if you would like to edit these files and want more information.
+You can change the marbles chaincode ID or version by editing the `install_chaincode.js` file. 
+Open the configuration and credential file readme below if you would like to edit these files and want more information on their contents.
 If you are okay with the defaults, then simply leave these files alone and run the command below.
 
 - [Configuration and Credential File Help](./config_file.md)

gulpfile.js

@@ -43,6 +43,7 @@ gulp.task('marbles_tls', ['env_tls', 'watch-sass', 'watch-server', 'server']);
 gulp.task('marbles_local', ['env_local', 'watch-sass', 'watch-server', 'server']);	//run with command `gulp marbles_local` for a local network
 gulp.task('marbles_cs', ['env_cs', 'watch-sass', 'watch-server', 'server']);		//run with command `gulp marbles_cs` for bluemix container service
 gulp.task('marbles_dev', ['env_dev', 'watch-sass', 'watch-server', 'server']);		//run with command `gulp marbles_dev` if you are me
+gulp.task('marbles_dev2', ['env_dev2', 'watch-sass', 'watch-server', 'server']);	//run with command `gulp marbles_dev` if you are me
 gulp.task('build', ['watch-sass']);
 
 // Bluemix IBM Blockchain Service
@@ -63,4 +64,9 @@ gulp.task('env_cs', function () {
 // Dev
 gulp.task('env_dev', function () {
 	env['creds_filename'] = 'marbles_dev.json';
+});
+
+// Dev 2
+gulp.task('env_dev2', function () {
+	env['creds_filename'] = 'marbles_dev2.json';
 });

utils/fc_wrangler/high_availability.js

@@ -55,23 +55,27 @@ module.exports = function (logger) {
 			logger.error('Missing options for switch_peer()');
 			return { error: 'Missing options for switch_peer()' };
 		}
-
-		try {																	//remove current peer
-			logger.debug('Removing peer from sdk   ', options.peer_urls[ha.using_peer_position]);
-			obj.channel.removePeer(new Peer(options.peer_urls[ha.using_peer_position], options.peer_tls_opts));
-		} catch (e) {
-			logger.error('could not remove peer from sdk client', e);
-		}
-
-		ha.using_peer_position++;
-		if (ha.using_peer_position >= options.peer_urls.length) {					//wrap around
-			ha.using_peer_position = 0;
+		let next_peer_position = ha.using_peer_position + 1;
+		if (next_peer_position >= options.peer_urls.length) {						//wrap around
+			next_peer_position = 0;
 		}
 
-		if (ha.using_peer_position === ha.success_peer_position) {					//we've tried all peers, error out
+		// --- Tried All Peers --- //
+		if (next_peer_position === ha.success_peer_position) {						//we've tried all peers, error out
 			logger.error('Exhausted all peers. There are no more peers to try.');
 			return { error: 'Exhausted all peers.' };
+
 		} else {
+
+			try {																	//remove current peer
+				logger.debug('Removing peer from sdk   ', options.peer_urls[ha.using_peer_position]);
+				obj.channel.removePeer(new Peer(options.peer_urls[ha.using_peer_position], options.peer_tls_opts));
+			} catch (e) {
+				logger.error('could not remove peer from sdk client', e);
+			}
+
+			// --- Use Next Peer --- //
+			ha.using_peer_position = next_peer_position;
 			const temp = {
 				peer_url: options.peer_urls[ha.using_peer_position],
 				peer_tls_opts: options.peer_tls_opts