Simple Arbitrary Message Bridge for Counter SC

Relaying increments of a counter between two EVM blockchains. Example is using Mumbai -> Mumbai configuration.

Prerequisites:

• NodeJS v16+
• Truffle v5.6.5
• Two wallets, for AMB role and ADMIN role

Automatic relay:

• Rust v1.65+
• One more wallet for DAPP role

Deploy Smart Contracts:

cd amb
edit env.example and rename to .env
npm run deploy
Make a note of contract addresses

Run Tests:

npm run test

Build Relayer:

npm run compile (if not done in previous steps)
npm run build
Edit relayer/env.relayer.example rename to relayer/.env.relayer

Start Relayer Process:

npm run relayer

Increment Counter N1:

open new shell console
npm run increment

Magic should happen at N2!