Setup your Hyperleder Chaincode Dev Environment

You'll need...

Git

$ git version
git version 2.10.1 (Apple Git-78)

Go

$ go version
go version go1.7.3 darwin/amd64

Environment variables for GOTPATH, GOROOT need to be set

$ echo $GOROOT
/usr/local/go

$ echo $GOPATH
/Users/geahaad/dev/go

Docker

$ docker -v
Docker version 1.13.0, build 49bf474

$ docker-compose -v
docker-compose version 1.10.0, build 4bd6f1a

$ docker-machine -v

Eventually you've to upgrade your existing docker image

$ docker-machine upgrade
Waiting for SSH to be available...
Detecting the provisioner...
Upgrading docker...
Stopping machine to do the upgrade...
Upgrading machine "default"...
Default Boot2Docker ISO is out-of-date, downloading the latest release...
Latest release for github.com/boot2docker/boot2docker is v1.13.0
Downloading /Users/geahaad/.docker/machine/cache/boot2docker.iso from https://github.com/boot2docker/boot2docker/releases/download/v1.13.0/boot2docker.iso...
0%....10%....20%....3

hyperledger-fabric

Grab the code from branch v0.6

# The v0.6 release exists as a branch inside the Gerrit fabric repository
git clone -b v0.6 http://gerrit.hyperledger.org/r/fabric

Docker hyperledger/fabric

Run docker-compose to download those 3 docker images:

hyperledger/fabric-membersrvc
hyperledger/fabric-peer
hyperledger/fabric-starter-kit

Bluemix

Let's get started

Start Docker

$ docker-machine start
Starting "default"...
[...]

Start Hyperledger Docker images

$ cd hyperleder-dev-setup
$ docker-compose up
Starting membersrvc
Starting peer
Starting starter
Attaching to membersrvc, peer, starter

Deploy your first chaincode to your local docker hyperledger fabric

Fork a copy of learn-chaincode from https://github.com/IBM-Blockchain/learn-chaincode

Change into sample code directory and register the chaincode via CLI

$ cd learn-chaincode/start
$ CORE_CHAINCODE_ID_NAME=myfirstchaincode CORE_PEER_ADDRESS=0.0.0.0:7051 ./start

Login with a demo user (REST)

POST localhost:7050/registrar

{
  "enrollId": "jim",
  "enrollSecret": "6avZQLwcUe9b"
}

Deploy (init) chaincode (REST)

POST localhost:7050/chaincode

{
  "jsonrpc": "2.0",
  "method": "deploy",
  "params": {
    "type": 1,
    "chaincodeID":{
        "name": "myfirstchaincode"
    },
    "CtorMsg": {
        "args":["init", "foobar"]
    },
    "secureContext": "jim"
  },
  "id": 1
}

Invoke chaincode / Write (REST)

POST localhost:7050/chaincode

{
  "jsonrpc": "2.0",
  "method": "invoke",
  "params": {
      "type": 1,
      "chaincodeID":{
          "name":"myfirstchaincode"
      },
      "CtorMsg": {
         "args":["write", "item1", "blob123"]
      },
      "secureContext": "jim"
  },
  "id": 3
}

Query chaincode / Read (REST)

GET localhost:7050/chaincode

{
  "jsonrpc": "2.0",
  "method": "query",
  "params": {
      "type": 1,
      "chaincodeID":{
          "name":"myfirstchaincode"
      },
      "CtorMsg": {
         "args":["read", "item1"]
      },
      "secureContext": "jim"
  },
  "id": 5
}

Deploy your first chaincode to Bluemix

Add the Blockchain service to your Bluemix account: https://console.eu-gb.bluemix.net/catalog/services/blockchain/
Open the Blockchain Dashboard
Copy one of the peer URLs and use it as PEER_URL in the upcoming snippets
Check the Service Credentials at the bottom right on the Network page and copy credentials from one user, use it as MY_CREDENTIALS

Login with a demo user (REST)

POST https://[PEER_URL]/registrar

{
  "enrollId": "user_type1_2",
  "enrollSecret": "[MY_CREDENTIALS]"
}

Deploy (init) chaincode (REST)

POST https://[PEER_URL]/chaincode

{
     "jsonrpc": "2.0",
     "method": "deploy",
     "params": {
         "type": 1,
         "chaincodeID": {
           "path": "https://github.com/BlueHC/hyperledger-learn-chaincode/finished"
         },
         "ctorMsg": {
             "function": "init",
             "args": [
                 "Welcome to our Hyperledger Genesis Session @ BlueHC!"
             ]
         },
         "secureContext": "user_type1_2"
     },
     "id": 5
 }

Remember chaincode id from response for placeholder CC_ID.

Invoke chaincode / Write (REST)

POST https://[PEER_URL]/chaincode

{
  "jsonrpc": "2.0",
  "method": "invoke",
  "params": {
      "type": 1,
      "chaincodeID":{
          "name":"[CC_ID]"
      },
      "CtorMsg": {
      	"args":["write", "item0", "blob123"]
      },
      "secureContext": "user_type1_2"
  },
  "id": 1
}

Query chaincode / Read (REST)

GET https://[PEER_URL]/chaincode

{
  "jsonrpc": "2.0",
  "method": "query",
  "params": {
      "type": 1,
      "chaincodeID":{
          "name":"[CC_ID]"
      },
      "CtorMsg": {
      	"args":["read", "hello_world"]
      },
      "secureContext": "user_type1_2"
  },
  "id": 1
}

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hyperledger-dev-setup's Introduction

Setup your Hyperleder Chaincode Dev Environment

You'll need...

Git

Go

Docker

hyperledger-fabric

Docker hyperledger/fabric

Bluemix

Let's get started

Deploy your first chaincode to your local docker hyperledger fabric

Login with a demo user (REST)

Deploy (init) chaincode (REST)

Invoke chaincode / Write (REST)

Query chaincode / Read (REST)

Deploy your first chaincode to Bluemix

Login with a demo user (REST)

Deploy (init) chaincode (REST)

Invoke chaincode / Write (REST)

Query chaincode / Read (REST)

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