This is a sample smart contract (chaincode) for the Predix Blockchain Service

• GO Lang
• HyperLedger - Optional

go get github.com/dattnguyen82/ChaincodeSample01

In your GO path you should have a directory called: $GOPATH/src/github.com/dattnguyen82/predix-sample-chaincode Run this command:

go build predix-blockchain-sample01.go

To deploy your smart contract, compress the predix-sample-chaincode directory contents with tar.gz

cd $GOPATH/src/github.com/dattnguyen82/predix-sample-chaincode
tar czvf predix-sample-chaincode.tgz *

Deploy to Predix using this guide

curl -X PUT \
https://{predix-url}/v1/chaincodes/{smart-contract-name} \
-H 'authorization: bearer {token}' \
-H 'content-type: multipart/form-data;' \
-H 'predix-zone-id: {predix-zone-id}' \
-F chaincode=@{path} \
-F 'args=["{predix-zone-id}"]'

A Postman collection and environment have been added for convenience.

• uaa-url - UAA base url

• uaa-auth - UAA token retrieval authorization

• token - Access token from UAA

• api-url - Base URL for predix blockchain service e.g. predix-blockchain-api.run.aws-usw02-pr.ice.predix.io

• tenant - Predix-Zone-Id from VCAP

• user-id - new user Id

• default-user - username from VCAP

• default-password - onetimepassword from VCAP

• chain-code - name of chaincode to deploy

• tx-id - transaction id from chaincode invocation

• deploy-arguments - chaincode deployment argument e.g. ["arg1", "arg2", "arg3" ...],