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Coding guidelines

Coding Golang

We code in Go™ and strictly follow the best practices and will not accept any deviations. You must run the following tools against your Go code and fix all errors and warnings:

Generating gRPC code

If you modify any .proto files, run the following command to generate/update the respective .pb.go files.

cd $GOPATH/src/github.com/hyperledger/fabric
make protos

Adding or updating Go packages

The Hyperledger Fabric Project uses Go 1.6 vendoring for package management. This means that all required packages reside in the vendor folder within the fabric project. Go will use packages in this folder instead of the GOPATH when the go install or go build commands are executed. To manage the packages in the vendor folder, we use Govendor, which is installed in the Vagrant environment. The following commands can be used for package management:

  # Add external packages.
  govendor add +external

  # Add a specific package.
  govendor add github.com/kardianos/osext

  # Update vendor packages.
  govendor update +vendor

  # Revert back to normal GOPATH packages.
  govendor remove +vendor

  # List package.
  govendor list