bdledger-apis/grpc/README.md
2021-07-22 16:21:15 +08:00

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## BDLedger API
### Documentation
See [API documentation](..\docs\apis.md)
### Development
#### Generating gRPC code in languages
##### Installling tools
Download the [Protocol Buffers compiler](https://github.com/protocolbuffers/protobuf/releases) (protoc-3.17.3-*)+ for
your platform and add `protoc` to `PATH` environment variable
For generating Go code, install `protoc-gen-go` (v1.27.1+):
```shell
GIT_TAG="v1.27.1"
go get -d -u google.golang.org/protobuf/cmd/protoc-gen-go
git -C "$(go env GOPATH)"/src/google.golang.org/protobuf checkout $GIT_TAG
go install google.golang.org/protobuf/cmd/protoc-gen-go
```
Also install `protoc-gen-go-grpc` v1.1.0+:
```shell
go get -u google.golang.org/grpc/cmd/protoc-gen-go-grpc
```
Or install using [gobin](https://github.com/myitcv/gobin):
```shell
gobin google.golang.org/protobuf/cmd/protoc-gen-go
gobin google.golang.org/grpc/cmd/protoc-gen-go-grpc
```
For generating HTTP JSON APIs with [grpc-gateway](https://grpc-ecosystem.github.io/grpc-gateway/), follow
the [documentation](https://github.com/grpc-ecosystem/grpc-gateway/tree/v2#installation).
For generating validators
install [go-proto-validators](https://github.com/mwitkow/go-proto-validators/tree/master/protoc-gen-govalidators):
```shell
go get github.com/mwitkow/go-proto-validators/protoc-gen-govalidators
```
For generating Java code: From `bdledger-sdk-java` run `gradle generateProto`
For generating Node.js code and/or TypeScript definitions), install Node.js then run:
```shell
npm install
```
For frontend JavaScript:
```shell
git clone https://github.com/grpc/grpc-web
cd grpc-web
sudo make install-plugin
```
References:
- [Go Quick Start](https://grpc.io/docs/quickstart/go.html#prerequisites)
- [gRPC Go FAQ](https://github.com/grpc/grpc-go#faq)
**TODO: Look into [protobuf.js](https://github.com/protobufjs/protobuf.js) for Nodes.js and frontend**
**TODO: Look into [Kroto+](https://github.com/marcoferrer/kroto-plus) for Kotlin**
##### Generating code
Run:
For generating TypeScript client code with `ts-proto`, run:
```shell
invoke gen -t ts
```
For generating TypeScript definitions to be used with `@grpc/proto-loader`, run:
```shell
invoke gen -t types
```
Others:
```shell
./scripts/gen [-a, --async] [go] [gohttp] [nodejs] [docs]
```
`nodejs`: For generating static Node.js code and TypeScript definitions
Use `-a` or `--async` to speed up generation by asynchronously and concurrently generating all code and documentation (
script will exit without waiting for completion)
#### Generateing documentation
Install Go then run:
```shell
go get -u github.com/pseudomuto/protoc-gen-doc/cmd/protoc-gen-doc
./scripts/gen [-a, --async] docs
```