[FAB-7160] Samples - readme sample commands

The balance transfer sample commands do not work.
Fixed the readme sample commands along with a few
supporting application code.

Change-Id: I74c5ff150f26e4c1868201499eb616daca316ee8
Signed-off-by: Bret Harrison <beharrison@nc.rr.com>

balance-transfer/README.md

@@ -108,7 +108,7 @@ cd fabric-samples/balance-transfer
   "success": true,
   "secret": "RaxhMgevgJcm",
   "message": "Jim enrolled Successfully",
-  "token": "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJleHAiOjE0OTQ4NjU1OTEsInVzZXJuYW1lIjoiSmltIiwib3JnTmFtZSI6Im9yZzEiLCJpYXQiOjE0OTQ4NjE5OTF9.yWaJhFDuTvMQRaZIqg20Is5t-JJ_1BP58yrNLOKxtNI"
+  "token": "<put JSON Web Token here>"
 }
 ```
 
@@ -119,7 +119,7 @@ The response contains the success/failure status, an **enrollment Secret** and a
 ```
 curl -s -X POST \
   http://localhost:4000/channels \
-  -H "authorization: Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJleHAiOjE0OTQ4NjU1OTEsInVzZXJuYW1lIjoiSmltIiwib3JnTmFtZSI6Im9yZzEiLCJpYXQiOjE0OTQ4NjE5OTF9.yWaJhFDuTvMQRaZIqg20Is5t-JJ_1BP58yrNLOKxtNI" \
+  -H "authorization: Bearer <put JSON Web Token here>" \
   -H "content-type: application/json" \
   -d '{
 	"channelName":"mychannel",
@@ -134,7 +134,7 @@ Please note that the Header **authorization** must contain the JWT returned from
 ```
 curl -s -X POST \
   http://localhost:4000/channels/mychannel/peers \
-  -H "authorization: Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJleHAiOjE0OTQ4NjU1OTEsInVzZXJuYW1lIjoiSmltIiwib3JnTmFtZSI6Im9yZzEiLCJpYXQiOjE0OTQ4NjE5OTF9.yWaJhFDuTvMQRaZIqg20Is5t-JJ_1BP58yrNLOKxtNI" \
+  -H "authorization: Bearer <put JSON Web Token here>" \
   -H "content-type: application/json" \
   -d '{
 	"peers": ["peer0.org1.example.com","peer1.org1.example.com"]
@@ -145,40 +145,41 @@ curl -s -X POST \
 ```
 curl -s -X POST \
   http://localhost:4000/chaincodes \
-  -H "authorization: Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJleHAiOjE0OTQ4NjU1OTEsInVzZXJuYW1lIjoiSmltIiwib3JnTmFtZSI6Im9yZzEiLCJpYXQiOjE0OTQ4NjE5OTF9.yWaJhFDuTvMQRaZIqg20Is5t-JJ_1BP58yrNLOKxtNI" \
+  -H "authorization: Bearer <put JSON Web Token here>" \
   -H "content-type: application/json" \
   -d '{
 	"peers": ["peer0.org1.example.com","peer1.org1.example.com"],
 	"chaincodeName":"mycc",
-	"chaincodePath":"github.com/example_cc",
+	"chaincodePath":"github.com/example_cc/go",
 	"chaincodeType": "golang",
 	"chaincodeVersion":"v0"
 }'
 ```
-**NOTE:** *chaincodeType* must be set to **node** when node.js chaincode is used and *chaincodePath* must be set to the location of the node.js chaincode.
+**NOTE:** *chaincodeType* must be set to **node** when node.js chaincode is used and *chaincodePath* must be set to the location of the node.js chaincode. Also put in the $PWD
 ```
 ex:
 curl -s -X POST \
   http://localhost:4000/chaincodes \
-  -H "authorization: Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJleHAiOjE0OTQ4NjU1OTEsInVzZXJuYW1lIjoiSmltIiwib3JnTmFtZSI6Im9yZzEiLCJpYXQiOjE0OTQ4NjE5OTF9.yWaJhFDuTvMQRaZIqg20Is5t-JJ_1BP58yrNLOKxtNI" \
+  -H "authorization: Bearer <put JSON Web Token here>" \
   -H "content-type: application/json" \
-  -d "{
-	\"peers\": [\"peer0.org1.example.com\",\"peer1.org1.example.com\"],
-	\"chaincodeName\":\"mycc\",
-	\"chaincodePath\":\"$PWD/artifacts/src/github.com/example_cc/node\",
-	\"chaincodeType\": \"node\",
-	\"chaincodeVersion\":\"v0\"
-}"
+  -d '{
+	"peers": ["peer0.org1.example.com","peer1.org1.example.com"],
+	"chaincodeName":"mycc",
+	"chaincodePath":"$PWD/artifacts/src/github.com/example_cc/node",
+	"chaincodeType": "node",
+	"chaincodeVersion":"v0"
+}'
 ```
 
 ### Instantiate chaincode
 
 ```
 curl -s -X POST \
   http://localhost:4000/channels/mychannel/chaincodes \
-  -H "authorization: Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJleHAiOjE0OTQ4NjU1OTEsInVzZXJuYW1lIjoiSmltIiwib3JnTmFtZSI6Im9yZzEiLCJpYXQiOjE0OTQ4NjE5OTF9.yWaJhFDuTvMQRaZIqg20Is5t-JJ_1BP58yrNLOKxtNI" \
+  -H "authorization: Bearer <put JSON Web Token here>" \
   -H "content-type: application/json" \
   -d '{
+	"peers": ["peer0.org1.example.com","peer1.org1.example.com"],
 	"chaincodeName":"mycc",
 	"chaincodeVersion":"v0",
 	"chaincodeType": "golang",
@@ -192,9 +193,10 @@ curl -s -X POST \
 ```
 curl -s -X POST \
   http://localhost:4000/channels/mychannel/chaincodes/mycc \
-  -H "authorization: Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJleHAiOjE0OTQ4NjU1OTEsInVzZXJuYW1lIjoiSmltIiwib3JnTmFtZSI6Im9yZzEiLCJpYXQiOjE0OTQ4NjE5OTF9.yWaJhFDuTvMQRaZIqg20Is5t-JJ_1BP58yrNLOKxtNI" \
+  -H "authorization: Bearer <put JSON Web Token here>" \
   -H "content-type: application/json" \
   -d '{
+	"peers": ["peer0.org1.example.com","peer1.org1.example.com"],
 	"fcn":"move",
 	"args":["a","b","10"]
 }'
@@ -206,7 +208,7 @@ curl -s -X POST \
 ```
 curl -s -X GET \
   "http://localhost:4000/channels/mychannel/chaincodes/mycc?peer=peer0.org1.example.com&fcn=query&args=%5B%22a%22%5D" \
-  -H "authorization: Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJleHAiOjE0OTQ4NjU1OTEsInVzZXJuYW1lIjoiSmltIiwib3JnTmFtZSI6Im9yZzEiLCJpYXQiOjE0OTQ4NjE5OTF9.yWaJhFDuTvMQRaZIqg20Is5t-JJ_1BP58yrNLOKxtNI" \
+  -H "authorization: Bearer <put JSON Web Token here>" \
   -H "content-type: application/json"
 ```
 
@@ -215,26 +217,26 @@ curl -s -X GET \
 ```
 curl -s -X GET \
   "http://localhost:4000/channels/mychannel/blocks/1?peer=peer0.org1.example.com" \
-  -H "authorization: Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJleHAiOjE0OTQ4NjU1OTEsInVzZXJuYW1lIjoiSmltIiwib3JnTmFtZSI6Im9yZzEiLCJpYXQiOjE0OTQ4NjE5OTF9.yWaJhFDuTvMQRaZIqg20Is5t-JJ_1BP58yrNLOKxtNI" \
+  -H "authorization: Bearer <put JSON Web Token here>" \
   -H "content-type: application/json"
 ```
 
 ### Query Transaction by TransactionID
 
 ```
-curl -s -X GET http://localhost:4000/channels/mychannel/transactions/TRX_ID?peer=peer0.org1.example.com \
-  -H "authorization: Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJleHAiOjE0OTQ4NjU1OTEsInVzZXJuYW1lIjoiSmltIiwib3JnTmFtZSI6Im9yZzEiLCJpYXQiOjE0OTQ4NjE5OTF9.yWaJhFDuTvMQRaZIqg20Is5t-JJ_1BP58yrNLOKxtNI" \
+curl -s -X GET http://localhost:4000/channels/mychannel/transactions/<put transaction id here>?peer=peer0.org1.example.com \
+  -H "authorization: Bearer <put JSON Web Token here>" \
   -H "content-type: application/json"
 ```
-**NOTE**: Here the TRX_ID can be from any previous invoke transaction, see results of the invoke request, will look something like `8a95b1794cb17e7772164c3f1292f8410fcfdc1943955a35c9764a21fcd1d1b3`.
+**NOTE**: The transaction id can be from any previous invoke transaction, see results of the invoke request, will look something like `8a95b1794cb17e7772164c3f1292f8410fcfdc1943955a35c9764a21fcd1d1b3`.
 
 
 ### Query ChainInfo
 
 ```
 curl -s -X GET \
   "http://localhost:4000/channels/mychannel?peer=peer0.org1.example.com" \
-  -H "authorization: Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJleHAiOjE0OTQ4NjU1OTEsInVzZXJuYW1lIjoiSmltIiwib3JnTmFtZSI6Im9yZzEiLCJpYXQiOjE0OTQ4NjE5OTF9.yWaJhFDuTvMQRaZIqg20Is5t-JJ_1BP58yrNLOKxtNI" \
+  -H "authorization: Bearer <put JSON Web Token here>" \
   -H "content-type: application/json"
 ```
 
@@ -243,7 +245,7 @@ curl -s -X GET \
 ```
 curl -s -X GET \
   "http://localhost:4000/chaincodes?peer=peer0.org1.example.com&type=installed" \
-  -H "authorization: Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJleHAiOjE0OTQ4NjU1OTEsInVzZXJuYW1lIjoiSmltIiwib3JnTmFtZSI6Im9yZzEiLCJpYXQiOjE0OTQ4NjE5OTF9.yWaJhFDuTvMQRaZIqg20Is5t-JJ_1BP58yrNLOKxtNI" \
+  -H "authorization: Bearer <put JSON Web Token here>" \
   -H "content-type: application/json"
 ```
 
@@ -252,7 +254,7 @@ curl -s -X GET \
 ```
 curl -s -X GET \
   "http://localhost:4000/chaincodes?peer=peer0.org1.example.com&type=instantiated" \
-  -H "authorization: Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJleHAiOjE0OTQ4NjU1OTEsInVzZXJuYW1lIjoiSmltIiwib3JnTmFtZSI6Im9yZzEiLCJpYXQiOjE0OTQ4NjE5OTF9.yWaJhFDuTvMQRaZIqg20Is5t-JJ_1BP58yrNLOKxtNI" \
+  -H "authorization: Bearer <put JSON Web Token here>" \
   -H "content-type: application/json"
 ```
 
@@ -261,7 +263,7 @@ curl -s -X GET \
 ```
 curl -s -X GET \
   "http://localhost:4000/channels?peer=peer0.org1.example.com" \
-  -H "authorization: Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJleHAiOjE0OTQ4NjU1OTEsInVzZXJuYW1lIjoiSmltIiwib3JnTmFtZSI6Im9yZzEiLCJpYXQiOjE0OTQ4NjE5OTF9.yWaJhFDuTvMQRaZIqg20Is5t-JJ_1BP58yrNLOKxtNI" \
+  -H "authorization: Bearer <put JSON Web Token here>" \
   -H "content-type: application/json"
 ```
 

balance-transfer/app.js

@@ -126,11 +126,13 @@ app.post('/users', async function(req, res) {
 		orgName: orgName
 	}, app.get('secret'));
 	let response = await helper.getRegisteredUser(username, orgName, true);
-	logger.debug('Successfully returned from registering the username %s for organization %s',username,orgName);
+	logger.debug('-- returned from registering the username %s for organization %s',username,orgName);
 	if (response && typeof response !== 'string') {
+		logger.debug('Successfully registered the username %s for organization %s',username,orgName);
 		response.token = token;
 		res.json(response);
 	} else {
+		logger.debug('Failed to register the username %s for organization %s with::%s',username,orgName,response);
 		res.json({success: false, message: response});
 	}
 
@@ -215,12 +217,14 @@ app.post('/chaincodes', async function(req, res) {
 // Instantiate chaincode on target peers
 app.post('/channels/:channelName/chaincodes', async function(req, res) {
 	logger.debug('==================== INSTANTIATE CHAINCODE ==================');
+	var peers = req.body.peers;
 	var chaincodeName = req.body.chaincodeName;
 	var chaincodeVersion = req.body.chaincodeVersion;
 	var channelName = req.params.channelName;
 	var chaincodeType = req.body.chaincodeType;
 	var fcn = req.body.fcn;
 	var args = req.body.args;
+	logger.debug('peers  : ' + peers);
 	logger.debug('channelName  : ' + channelName);
 	logger.debug('chaincodeName : ' + chaincodeName);
 	logger.debug('chaincodeVersion  : ' + chaincodeVersion);
@@ -248,7 +252,7 @@ app.post('/channels/:channelName/chaincodes', async function(req, res) {
 		return;
 	}
 
-	let message = await instantiate.instantiateChaincode(channelName, chaincodeName, chaincodeVersion, chaincodeType, fcn, args, req.username, req.orgname);
+	let message = await instantiate.instantiateChaincode(peers, channelName, chaincodeName, chaincodeVersion, chaincodeType, fcn, args, req.username, req.orgname);
 	res.send(message);
 });
 // Invoke transaction on chaincode on target peers

balance-transfer/app/helper.js

@@ -20,9 +20,6 @@ logger.setLevel('DEBUG');
 
 var path = require('path');
 var util = require('util');
-var fs = require('fs-extra');
-var User = require('fabric-client/lib/User.js');
-var crypto = require('crypto');
 var copService = require('fabric-ca-client');
 
 var hfc = require('fabric-client');
@@ -85,6 +82,7 @@ var getRegisteredUser = async function(username, userOrg, isJson) {
 			logger.info('Successfully loaded member from persistence');
 		} else {
 			// user was not enrolled, so we will need an admin user object to register
+			logger.info('User %s was not enrolled, so we will need an admin user object to register',username);
 			var admins = hfc.getConfigSetting('admins');
 			let adminUserObj = await client.setUserContext({username: admins[0].username, password: admins[0].secret});
 			let caClient = client.getCertificateAuthority();

balance-transfer/app/instantiate-chaincode.js

@@ -21,7 +21,7 @@ var hfc = require('fabric-client');
 var helper = require('./helper.js');
 var logger = helper.getLogger('instantiate-chaincode');
 
-var instantiateChaincode = async function(channelName, chaincodeName, chaincodeVersion, functionName, chaincodeType, args, username, org_name) {
+var instantiateChaincode = async function(peers, channelName, chaincodeName, chaincodeVersion, functionName, chaincodeType, args, username, org_name) {
 	logger.debug('\n\n============ Instantiate chaincode on channel ' + channelName +
 		' ============\n');
 	var error_message = null;
@@ -45,6 +45,7 @@ var instantiateChaincode = async function(channelName, chaincodeName, chaincodeV
 
 		// send proposal to endorser
 		var request = {
+			targets : peers,
 			chaincodeId: chaincodeName,
 			chaincodeType: chaincodeType,
 			chaincodeVersion: chaincodeVersion,
@@ -128,10 +129,11 @@ var instantiateChaincode = async function(channelName, chaincodeName, chaincodeV
 			});
 
 			var orderer_request = {
-				txId: tx_id, //must includethe transaction id so that the outbound
+				txId: tx_id, // must include the transaction id so that the outbound
 				             // transaction to the orderer will be signed by the admin
 							 // id as was the proposal above, notice that transactionID
-							 // generated above was based on the admin id not userContext.
+							 // generated above was based on the admin id not the current
+							 // user assigned to the 'client' instance.
 				proposalResponses: proposalResponses,
 				proposal: proposal
 			};

balance-transfer/app/invoke-transaction.js

@@ -42,6 +42,7 @@ var invokeChaincode = async function(peerNames, channelName, chaincodeName, fcn,
 
 		// send proposal to endorser
 		var request = {
+			targets: peerNames,
 			chaincodeId: chaincodeName,
 			fcn: fcn,
 			args: args,
@@ -167,9 +168,10 @@ var invokeChaincode = async function(peerNames, channelName, chaincodeName, fcn,
 
 	if (!error_message) {
 		let message = util.format(
-			'Successfully invoked the chaincode %s to the channel \'%s\'',
-			org_name, channelName);
+			'Successfully invoked the chaincode %s to the channel \'%s\' for transaction ID: %s',
+			org_name, channelName, tx_id_string);
 		logger.info(message);
+
 		return tx_id_string;
 	} else {
 		let message = util.format('Failed to invoke chaincode. cause:%s',error_message);