Sawtooth Event Listner in Go

Set-up steps.

Install golang 1.9 or higher
Set $GOPATH and $GOROOT environment variables.
Install Git, Python3 and Openssl
Using PIP, install grpcio, grpcio-tools, setuptools with --upgrade flag.
Install brew install pkg-config && brew install zmq
Install sawtooth go SDK go get github.com/hyperledger/sawtooth-sdk-go
Go to $GOPATH/src/github.com/hyperledger/sawtooth-sdk-go and run go generate
Copy $GOPATH/src/github.com/hyperledger/sawtooth-sdk-go/protobuf/events_pb2 to $GOPATH/src/protobuf/events_pb2

Calculate the TP prefix
To run, start the validator then type the following on the command line:
go run events_subcribe_client.go

Note: If you're using docker-compose file default IP is already set.
Otherwise, please set global environment variable as VALIDATOR_URL="tcp://:4004"

Please following the instructions in the following Dockerfile