Senkyou

Senkyou provides an Ethereum RPC gateway over message broker systems such as Kafka.

Meaning: Senkyou is a Japanese word for boat's bridge ( 桟橋 )

• Install
• Examples

Install

With a correctly configured Go toolchain:

go get -u https://github.com/abdelhamidbakhta/senkyou

Build from source

make all

Usage

Usage:
  senkyou [flags]

Flags:
      --apm-enabled                  enable application performance monitoring using elk stack
      --broker-type string           message broker type (nats, kafka) (default "nats")
  -h, --help                         help for senkyou
      --http-enabled                 start http server for administration
      --http-port int                http port (default 8080)
      --kafka-url string             kafka bootstrap server (default "127.0.0.1:9092")
      --logging logLevel             log level (DEBUG, INFO, WARN, ERROR) (default DEBUG)
      --nats-url string              nats server url (default "nats://127.0.0.1:4222")
      --rpc-url string               ethereum rpc url (default "http://127.0.0.1:8545")
      --topic-errors string          topic to use for error handling (default "errors")
      --topic-rpc-requests string    topic to use for receiving incoming RPC requests (default "rpc.request")
      --topic-rpc-responses string   topic to use for pushing RPC responses (default "rpc.response")```

## Examples

Run NATS server.
```sh 
docker-compose -f build/package/nats/docker-compose.yml up -d

Run Senkyou.

senkyou \
--topic-rpc-requests=ethereum.rpc.requests \
--topic-rpc-responses=ethereum.rpc.responses \ 
--topic-errors=senkyou.errors \
--logging=INFO \
--http-enabled --http-port=9000 \
--rpc-url=http://127.0.0.1:8545 \
--nats-url=nats://127.0.0.1:4222 --broker-type=nats \
--apm-enabled

Application performance monitoring

Configure APM server.

export ELASTIC_APM_SERVER_URL=https://....apm.europe-west1.gcp.cloud.es.io:443
export ELASTIC_APM_SECRET_TOKEN=secret

ELASTIC_APM_SERVICE_NAME=senkyou senkyou \
--topic-rpc-requests=ethereum.rpc.requests \
--topic-rpc-responses=ethereum.rpc.responses \ 
--topic-errors=senkyou.errors \
--logging=INFO \
--http-enabled --http-port=9000 \
--rpc-url=http://127.0.0.1:8545 \
--nats-url=nats://127.0.0.1:4222 --broker-type=nats \
--apm-enabled