Arbitrum publisher

Establishes connection with Arbitrum node and publishes Arbitrum blockchain data to Syntropy Data Layer via NATS connection.

Usage

Building from source.

make build

Running executable.

./arbitrum-publisher --socket /arbitrum.ipc --nats nats://35.198.163.186 --stream-prefix my-org --nats-nkey SA..BC

Environment variables and flags {#env-flags}

Environment variables can be passed to docker container. Flags can be passed as executable arguments.

Environment variable	Flag	Description
SOCKET	socket	Arbitrum node URI to establish IPC/WebSocket connection, e.g.: /tmp/arbvitrum.ipc, ws://a.b.c.d:8546
NATS	nats	NATS connection URL to Syntropy Data Layer broker, e.g.: nats://e.f.g.h. URL to broker. Default value is set to testnet broker: nats://35.198.163.186.
NATS_NKEY	nats-nkey	NATS account NKEY a.k.a access token, e.g.: SA..SI (58 chars). One access token for each publisher, see here.
STREAM_PREFIX	stream-prefix	Stream prefix, e.g.: foo prefix results in foo.arbitrum.<tx,log-even,header,...> stream subjects. Stream prefix should be same as registered wallet alias.
STREAM_PUBLISHER_INFIX	stream-publisher-infix	(optional) Stream publisher infix, e.g.: foo infix results in prefix.foo.<tx,log-even,header,...> stream subjects. Stream publisher infix should be same as registered publisher alias. Default: arbitrum.
STREAM_NETWORK_INFIX	stream-network-infix	(optional) Specify stream network infix, e.g.: mainnet prefix results in <prefix>.arbitrum.mainnet.<tx,...> subjects. Default: empty (prefix.arbitrum.<tx,...>).

See Data Layer Quick Start to learn more.

Docker

Build from source

1. Build image.

docker build -f ./docker/Dockerfile -t arbitrum-publisher .

2. Run container with passed environment variables.

docker run -it --rm --env-file=.env arbitrum-publisher

Prebuilt image

Run container with passed environment variables.

docker run -it --rm --env-file=.env ghcr.io/syntropynet/arbitrum-publisher:latest

Docker Compose

docker-compose.yml file.

version: '3.8'

services:
  arbitrum-publisher:
    image: ghcr.io/syntropynet/arbitrum-publisher:latest
    environment:
      - SOCKET=/tmp/arbitrum.ipc
      - NATS=nats://35.198.163.186
      - NATS_NKEY=secret-access-token
      - STREAM_PREFIX=some-org
      - STREAM_PUBLISHER_INFIX=arbitrum
    volumes:
      - /tmp/arbitrum.ipc:/tmp/arbitrum.ipc:ro

Contributing

We welcome contributions from the community. Whether it's a bug report, a new feature, or a code fix, your input is valued and appreciated.

Syntropy

If you have any questions, ideas, or simply want to connect with us, we encourage you to reach out through any of the following channels:

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