Gear Pixel Board

A Pixel Board on top of Gear, inspired by matrix67.com

• UI: ../src/pages/home/Home.tsx
• Contract: ./lib.rs

Live Demo

• DEV_KEY: bottom drive obey lake curtain smoke basket hold race lonely fit walk//Alice
• RPC_NODE: wss://n.up.railway.app/rpc/ws
• PROGRAM_ID: 0xe5046f27ada0b95657215894f64d6c5028f1c5cad59b77c82852169df83d1744

Visit one of the links for a live version

• https://gboard.deno.dev
• https://gboard.vercel.app
• http://127.0.0.1:3000
  • git clone https://github.com/btwiuse/gboard && cd gboard
  • yarn && yarn start

Deploy Contract

Before you proceed, make sure you have git, yarn, rustup, deno, node, jq installed

$ git clone https://github.com/btwiuse/gboard && cd gboard/contract
$ make init
...
$ make deploy
...
Deploying program...
CodeID already exists, skipping upload...
{
  codeId: "0x83239c38c37f77a1943c7ac4d44ab5f09fae588c50ca6c602b1c7a93763b9fc8",
  programId: "0x648df8e155670708c61327f0d9e0aefdea21c257acd5638d6a9a3d31e127ef3d"
}
Posting metadata...
{
  name: "github.com/btwiuse/gboard",
  meta: '{"types":"0x180010146775726c7314636f64656318616374696f6e18416374696f6e0001041841646455726c080110636f...',
  title: "github.com/btwiuse/gboard",
  metaWasm: "AGFzbQEAAAABTw1gAX8AYAF/AX9gAAF/YAN/f38Bf2AAAGADf39/AGACf38Bf2ACf38AYAR/f39/AGAEf39/fwF/YAV/f39/fwBg...",
  signature: "0x2e778426cd1ff638eba215ee6f210828bb7703cd320a45dd80b04f7bb3c7681a6a7d99f45b90d2cce58f887a93551b9439...",
  programId: "0x648df8e155670708c61327f0d9e0aefdea21c257acd5638d6a9a3d31e127ef3d",
  genesis: "0xd144f24baf0b991be22ea8dc7dd4540d9d1e971e6bf17b1770b9fc9c88272484"
}
Program deloyed: https://idea.gear-tech.io/programs/0x648df8e155670708c61327f0d9e0aefdea21c257acd5638d6a9a3d31e127ef3d?node=wss://rpc-node.gear-tech.io

Objectives

In this workshop, you will learn how to

• Implement basic contract logic
• Deploy your contract using Gear Idea
• Use @gear-js/api
  • to interact with published contract
    • read ( get program state )
    • write ( send messages )
    • watch ( subscribe to state changes)

References

• http://matrix67.com
• https://github.com/gear-tech/gear-js/blob/main/api/README.md
  • https://github.com/gear-tech/gear-js/blob/main/api/README.md#read-state-of-program
  • https://github.com/gear-tech/gear-js/blob/main/api/README.md#send-message
  • https://github.com/gear-tech/gear-js/blob/main/api/README.md#subscribe-to-specific-gear-events
• https://polkadot.js.org/docs/api/cookbook/tx/#how-can-i-batch-transactions