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Local Development

Pre-requisites:

  • Install the Foundry toolkit.
  • Clone repository: 
    $   git clone https://github.com/MultiMessageAggregation/multibridge

Step 1: Install required forge submodules

$  forge install

Step 2: Build the project

$  forge build

Step 3: Run Tests

To run the tests, you will need a local fork of Ethereum, Polygon, and BSC mainnet states. To accomplish this, you must specify RPC endpoints for each of these networks. You can obtain RPC endpoints to use for Ethereum and Polygon, from Alchemy, Infura, or other infrastructure providers. For BSC, you can choose from a list of public RPC endpoints available here.

To set the RPC endpoints, make a copy of the .env.sample file and name it .env. The file contains a list of parameter names (e.g. ETH_FORK_URL) that correspond to each network. Set the respective values of each of these parameters to the RPC endpoints you wish to use.

Once you have set these values, you can run both the unit and integration tests using the following command:

$  forge test

note: We use pigeon to simulate the cross-chain behavior on forked mainnets.