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Subscan Essentials

License: GPL Go Report Card subscan

Subscan Essentials is a high-precision blockchain explorer scaffold project. It supports substrate-based blockchain networks with developer-friendly interface, standard or custom module parsing capabilities. It's developed by the Subscan team and used in subscan.io. Developers are free to use the codebase to extend functionalities and develop unique user experiences for their audiences.

Contents

Feature

  1. Support Substrate network custom type registration
  2. Support index Block, Extrinsic, Event, log
  3. More data can be indexed by custom plugins
  4. Gen tool can automatically generate plugin templates
  5. Built-in default HTTP API DOC

QuickStart

Requirement

  • Linux / Mac OSX
  • Git
  • Golang 1.12.4+
  • Redis 3.0.4+
  • MySQL 5.6+
  • Node 8.9.0+

Install

./build.sh build

//UI
cd ui && yarn && yarn dev

UI

The ui part is built with nuxt.js and amis

Demo: blocks, refer to amis docs for further detail.

Online Demo

Please change proxy target in nuxt.config.js to your server name in development.

proxy: {
   "/api": {
      target: "https://your_server_name.com",
      secure: false,
      changeOrigin: true,
      pathRewrite: {
         "^/api": "/api"
      }
   },
}

Please change browserBaseURL in nuxt.config.js to your server name in production.

axios: {
   proxy: process.env.NODE_ENV !== 'production',
    browserBaseURL: process.env.NODE_ENV !== 'production' ? "" : "https://your_server_name.com"
},

Example

ui_demo

First choose a search type, and enter search content. Then click search button, result will be shown in the output section.

Feature Supported

  • search block detail by block number or block hash
  • search extrinsic detail by extrinsic index or extrinsic hash
  • search runtime info by spec version
  • plugin (blocks, events)

Config

Init config file

cp configs/config.yaml.example configs/config.yaml

Set

  1. Redis configs/redis.toml

addr： redis host and port (default: 127.0.0.1:6379)

  1. Mysql configs/mysql.toml

host: mysql host (default: 127.0.0.1) user: mysql user (default: root) pass: mysql user passwd (default: "") db: mysql db name (default: "subscan")

  1. Http configs/http.toml

addr: local http server port (default: 0.0.0.0:4399)

Usage

  • Start DB

Make sure you have started redis and mysql

  • Substrate Daemon
cd cmd
./subscan start substrate
  • Api Server
cd cmd
./subscan
  • Help
NAME:
   SubScan - SubScan Backend Service, use -h get help

USAGE:
   main [global options] command [command options] [arguments...]

VERSION:
   1.0

DESCRIPTION:
   SubScan Backend Service, substrate blockchain explorer

COMMANDS:
     start    Start one worker, E.g substrate
     install  Create database and create default conf file
     help, h  Shows a list of commands or help for one command

GLOBAL OPTIONS:
   --conf value   (default: "../configs")
   --help, -h     show help
   --version, -v  print the version

Docker

Use docker-compose can start projects quickly

Create local network

docker network create app_net

Run mysql and redis container

docker-compose -f docker-compose.db.yml up  -d

Run subscan service

docker-compose build
docker-compose up -d

Test

default test mysql database is subscan_test. Please CREATE it or change configs/mysql.toml

go test ./...

//UI
cd ui && yarn && yarn test

Contributions

We welcome contributions of any kind. Issues labeled can be good (first) contributions.

LICENSE

GPL-3.0

Resource