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[FAB-4996] NodeSDK - move sample to fabric-samples
Move the Balance Transfer sample application from fabric-sdk-node to fabric-samples. This cr will add the files to the fabric-samples. There will another one to remove the files from fabric-sdk-node. Change-Id: I2344ee00bcd47793ae07f203070af93bc2ee69d6 Signed-off-by: Bret Harrison <beharrison@nc.rr.com>
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## Balance transfer | ||
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A sample Node.js app to demonstrate **__fabric-client__** & **__fabric-ca-client__** Node.js SDK APIs | ||
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### Prerequisites and setup: | ||
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* [Docker](https://www.docker.com/products/overview) - v1.12 or higher | ||
* [Docker Compose](https://docs.docker.com/compose/overview/) - v1.8 or higher | ||
* [Git client](https://git-scm.com/downloads) - needed for clone commands | ||
* **Node.js** v6.9.0 - 6.10.0 ( __Node v7+ is not supported__ ) | ||
* Download docker images | ||
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``` | ||
cd fabric-sdk-node/examples/balance-transfer/ | ||
docker-compose -f artifacts/docker-compose.yaml pull | ||
``` | ||
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Once you have completed the above setup, you will have provisioned a local network with the following docker container configuration: | ||
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* 2 CAs | ||
* A SOLO orderer | ||
* 4 peers (2 peers per Org) | ||
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#### Artifacts | ||
* Crypto material has been generated using the **cryptogen** tool from Hyperledger Fabric and mounted to all peers, the orderering node and CA containers. More details regarding the cryptogen tool are available [here](http://hyperledger-fabric.readthedocs.io/en/latest/build_network.html#crypto-generator). | ||
* An Orderer genesis block (genesis.block) and channel configuration transaction (mychannel.tx) has been pre generated using the **configtxgen** tool from Hyperledger Fabric and placed within the artifacts folder. More details regarding the configtxgen tool are available [here](http://hyperledger-fabric.readthedocs.io/en/latest/build_network.html#configuration-transaction-generator). | ||
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## Running the sample program | ||
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There are two options available for running the balance-transfer sample | ||
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### Option 1: | ||
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##### Terminal Window 1 | ||
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* Launch the network using docker-compose | ||
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``` | ||
docker-compose -f artifacts/docker-compose.yaml up | ||
``` | ||
##### Terminal Window 2 | ||
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* Execute the REST APIs from the section [Sample REST APIs Requests](https://github.com/hyperledger/fabric-sdk-node/tree/master/examples/balance-transfer#running-the-sample-program) | ||
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### Option 2: | ||
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##### Terminal Window 1 | ||
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``` | ||
cd fabric-sdk-node/examples/balance-transfer | ||
./runApp.sh | ||
``` | ||
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* This lauches the required network on your local machine | ||
* Installs the fabric-client and fabric-ca-client node modules | ||
* And, starts the node app on PORT 4000 | ||
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##### Terminal Window 2 | ||
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In order for the following shell script to properly parse the JSON, you must install ``jq``: | ||
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instructions [https://stedolan.github.io/jq/](https://stedolan.github.io/jq/) | ||
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With the application started in terminal 1, next, test the APIs by executing the script - **testAPIs.sh**: | ||
``` | ||
cd fabric-sdk-node/examples/balance-transfer | ||
./testAPIs.sh | ||
``` | ||
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## Sample REST APIs Requests | ||
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### Login Request | ||
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* Register and enroll new users in Organization - **Org1**: | ||
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`curl -s -X POST http://localhost:4000/users -H "content-type: application/x-www-form-urlencoded" -d 'username=Jim&orgName=org1'` | ||
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**OUTPUT:** | ||
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``` | ||
{ | ||
"success": true, | ||
"secret": "RaxhMgevgJcm", | ||
"message": "Jim enrolled Successfully", | ||
"token": "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJleHAiOjE0OTQ4NjU1OTEsInVzZXJuYW1lIjoiSmltIiwib3JnTmFtZSI6Im9yZzEiLCJpYXQiOjE0OTQ4NjE5OTF9.yWaJhFDuTvMQRaZIqg20Is5t-JJ_1BP58yrNLOKxtNI" | ||
} | ||
``` | ||
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The response contains the success/failure status, an **enrollment Secret** and a **JSON Web Token (JWT)** that is a required string in the Request Headers for subsequent requests. | ||
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### Create Channel request | ||
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``` | ||
curl -s -X POST \ | ||
http://localhost:4000/channels \ | ||
-H "authorization: Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJleHAiOjE0OTQ4NjU1OTEsInVzZXJuYW1lIjoiSmltIiwib3JnTmFtZSI6Im9yZzEiLCJpYXQiOjE0OTQ4NjE5OTF9.yWaJhFDuTvMQRaZIqg20Is5t-JJ_1BP58yrNLOKxtNI" \ | ||
-H "content-type: application/json" \ | ||
-d '{ | ||
"channelName":"mychannel", | ||
"channelConfigPath":"../artifacts/channel/mychannel.tx" | ||
}' | ||
``` | ||
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Please note that the Header **authorization** must contain the JWT returned from the `POST /users` call | ||
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### Join Channel request | ||
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``` | ||
curl -s -X POST \ | ||
http://localhost:4000/channels/mychannel/peers \ | ||
-H "authorization: Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJleHAiOjE0OTQ4NjU1OTEsInVzZXJuYW1lIjoiSmltIiwib3JnTmFtZSI6Im9yZzEiLCJpYXQiOjE0OTQ4NjE5OTF9.yWaJhFDuTvMQRaZIqg20Is5t-JJ_1BP58yrNLOKxtNI" \ | ||
-H "content-type: application/json" \ | ||
-d '{ | ||
"peers": ["localhost:7051","localhost:7056"] | ||
}' | ||
``` | ||
### Install chaincode | ||
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``` | ||
curl -s -X POST \ | ||
http://localhost:4000/chaincodes \ | ||
-H "authorization: Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJleHAiOjE0OTQ4NjU1OTEsInVzZXJuYW1lIjoiSmltIiwib3JnTmFtZSI6Im9yZzEiLCJpYXQiOjE0OTQ4NjE5OTF9.yWaJhFDuTvMQRaZIqg20Is5t-JJ_1BP58yrNLOKxtNI" \ | ||
-H "content-type: application/json" \ | ||
-d '{ | ||
"peers": ["localhost:7051","localhost:7056"], | ||
"chaincodeName":"mycc", | ||
"chaincodePath":"github.com/example_cc", | ||
"chaincodeVersion":"v0" | ||
}' | ||
``` | ||
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### Instantiate chaincode | ||
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``` | ||
curl -s -X POST \ | ||
http://localhost:4000/channels/mychannel/chaincodes \ | ||
-H "authorization: Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJleHAiOjE0OTQ4NjU1OTEsInVzZXJuYW1lIjoiSmltIiwib3JnTmFtZSI6Im9yZzEiLCJpYXQiOjE0OTQ4NjE5OTF9.yWaJhFDuTvMQRaZIqg20Is5t-JJ_1BP58yrNLOKxtNI" \ | ||
-H "content-type: application/json" \ | ||
-d '{ | ||
"peers": ["localhost:7051"], | ||
"chaincodeName":"mycc", | ||
"chaincodeVersion":"v0", | ||
"functionName":"init", | ||
"args":["a","100","b","200"] | ||
}' | ||
``` | ||
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### Invoke request | ||
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``` | ||
curl -s -X POST \ | ||
http://localhost:4000/channels/mychannel/chaincodes/mycc \ | ||
-H "authorization: Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJleHAiOjE0OTQ4NjU1OTEsInVzZXJuYW1lIjoiSmltIiwib3JnTmFtZSI6Im9yZzEiLCJpYXQiOjE0OTQ4NjE5OTF9.yWaJhFDuTvMQRaZIqg20Is5t-JJ_1BP58yrNLOKxtNI" \ | ||
-H "content-type: application/json" \ | ||
-d '{ | ||
"peers": ["localhost:7051", "localhost:7056"], | ||
"fcn":"move", | ||
"args":["a","b","10"] | ||
}' | ||
``` | ||
**NOTE:** Ensure that you save the Transaction ID from the response in order to pass this string in the subsequent query transactions. | ||
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### Chaincode Query | ||
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``` | ||
curl -s -X GET \ | ||
"http://localhost:4000/channels/mychannel/chaincodes/mycc?peer=peer1&fcn=query&args=%5B%22a%22%5D" \ | ||
-H "authorization: Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJleHAiOjE0OTQ4NjU1OTEsInVzZXJuYW1lIjoiSmltIiwib3JnTmFtZSI6Im9yZzEiLCJpYXQiOjE0OTQ4NjE5OTF9.yWaJhFDuTvMQRaZIqg20Is5t-JJ_1BP58yrNLOKxtNI" \ | ||
-H "content-type: application/json" | ||
``` | ||
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### Query Block by BlockNumber | ||
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``` | ||
curl -s -X GET \ | ||
"http://localhost:4000/channels/mychannel/blocks/1?peer=peer1" \ | ||
-H "authorization: Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJleHAiOjE0OTQ4NjU1OTEsInVzZXJuYW1lIjoiSmltIiwib3JnTmFtZSI6Im9yZzEiLCJpYXQiOjE0OTQ4NjE5OTF9.yWaJhFDuTvMQRaZIqg20Is5t-JJ_1BP58yrNLOKxtNI" \ | ||
-H "content-type: application/json" | ||
``` | ||
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### Query Transaction by TransactionID | ||
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``` | ||
curl -s -X GET http://localhost:4000/channels/mychannel/transactions/TRX_ID?peer=peer1 \ | ||
-H "authorization: Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJleHAiOjE0OTQ4NjU1OTEsInVzZXJuYW1lIjoiSmltIiwib3JnTmFtZSI6Im9yZzEiLCJpYXQiOjE0OTQ4NjE5OTF9.yWaJhFDuTvMQRaZIqg20Is5t-JJ_1BP58yrNLOKxtNI" \ | ||
-H "content-type: application/json" | ||
``` | ||
**NOTE**: Here the TRX_ID can be from any previous invoke transaction | ||
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### Query ChainInfo | ||
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``` | ||
curl -s -X GET \ | ||
"http://localhost:4000/channels/mychannel?peer=peer1" \ | ||
-H "authorization: Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJleHAiOjE0OTQ4NjU1OTEsInVzZXJuYW1lIjoiSmltIiwib3JnTmFtZSI6Im9yZzEiLCJpYXQiOjE0OTQ4NjE5OTF9.yWaJhFDuTvMQRaZIqg20Is5t-JJ_1BP58yrNLOKxtNI" \ | ||
-H "content-type: application/json" | ||
``` | ||
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### Query Installed chaincodes | ||
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``` | ||
curl -s -X GET \ | ||
"http://localhost:4000/chaincodes?peer=peer1&type=installed" \ | ||
-H "authorization: Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJleHAiOjE0OTQ4NjU1OTEsInVzZXJuYW1lIjoiSmltIiwib3JnTmFtZSI6Im9yZzEiLCJpYXQiOjE0OTQ4NjE5OTF9.yWaJhFDuTvMQRaZIqg20Is5t-JJ_1BP58yrNLOKxtNI" \ | ||
-H "content-type: application/json" | ||
``` | ||
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### Query Instantiated chaincodes | ||
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``` | ||
curl -s -X GET \ | ||
"http://localhost:4000/chaincodes?peer=peer1&type=instantiated" \ | ||
-H "authorization: Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJleHAiOjE0OTQ4NjU1OTEsInVzZXJuYW1lIjoiSmltIiwib3JnTmFtZSI6Im9yZzEiLCJpYXQiOjE0OTQ4NjE5OTF9.yWaJhFDuTvMQRaZIqg20Is5t-JJ_1BP58yrNLOKxtNI" \ | ||
-H "content-type: application/json" | ||
``` | ||
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### Query Channels | ||
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``` | ||
curl -s -X GET \ | ||
"http://localhost:4000/channels?peer=peer1" \ | ||
-H "authorization: Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJleHAiOjE0OTQ4NjU1OTEsInVzZXJuYW1lIjoiSmltIiwib3JnTmFtZSI6Im9yZzEiLCJpYXQiOjE0OTQ4NjE5OTF9.yWaJhFDuTvMQRaZIqg20Is5t-JJ_1BP58yrNLOKxtNI" \ | ||
-H "content-type: application/json" | ||
``` | ||
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### Network configuration considerations | ||
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You have the ability to change configuration parameters by editing the network-config.json file. | ||
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#### IP Address** and PORT information | ||
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If you choose to customize your docker-compose yaml file by hardcoding IP Addresses and PORT information for your peers and orderer, then you MUST also add the identical values into the network-config.json file. The paths shown below will need to be adjusted to match your docker-compose yaml file. | ||
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``` | ||
"orderer": { | ||
"url": "grpcs://x.x.x.x:7050", | ||
"server-hostname": "orderer0", | ||
"tls_cacerts": "../artifacts/tls/orderer/ca-cert.pem" | ||
}, | ||
"org1": { | ||
"ca": "http://x.x.x.x:7054", | ||
"peer1": { | ||
"requests": "grpcs://x.x.x.x:7051", | ||
"events": "grpcs://x.x.x.x:7053", | ||
... | ||
}, | ||
"peer2": { | ||
"requests": "grpcs://x.x.x.x:7056", | ||
"events": "grpcs://x.x.x.x:7058", | ||
... | ||
} | ||
}, | ||
"org2": { | ||
"ca": "http://x.x.x.x:8054", | ||
"peer1": { | ||
"requests": "grpcs://x.x.x.x:8051", | ||
"events": "grpcs://x.x.x.x:8053", | ||
... }, | ||
"peer2": { | ||
"requests": "grpcs://x.x.x.x:8056", | ||
"events": "grpcs://x.x.x.x:8058", | ||
... | ||
} | ||
} | ||
``` | ||
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#### Discover IP Address | ||
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To retrieve the IP Address for one of your network entities, issue the following command: | ||
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``` | ||
# this will return the IP Address for peer0 | ||
docker inspect peer0 | grep IPAddress | ||
``` | ||
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<a rel="license" href="http://creativecommons.org/licenses/by/4.0/"><img alt="Creative Commons License" style="border-width:0" src="https://i.creativecommons.org/l/by/4.0/88x31.png" /></a><br />This work is licensed under a <a rel="license" href="http://creativecommons.org/licenses/by/4.0/">Creative Commons Attribution 4.0 International License</a>. |
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