Here is an article about deploying on two Ethereum chains from a Foundry script:

How ​​to deploy on two Ethereum chains using a Foundry script

In this article, we will explore how to deploy contracts on two different Ethereum chains using a Foundry script. We will walk you through the steps involved in creating a Foundry project and deploying contracts across multiple chains.

Setting up a Foundry project

Before diving into deploying contracts, make sure you have a Foundry project set up. If not, follow these steps:

• Install Foundry on your local machine using pip: pip install foundry'

• Create a new project directory and initialize it using the following command:foundry init myproject’

• Configure your Ethereum environment by setting up a configuration file called ethers' (e.g.ethers.config.js’) to point to your local Ethereum node.

Deploying the contract on chain A

Now that you have your foundry project set up, deploy the contract “contractA” to chain “chainA”. Here are the steps:

• First, start a broadcast to deploy the contract on chainA: “vm.startBroadcast(chainA)”.

• Deploy the contract: “contractA.deploy()”.

• Stop the broadcast: “vm.stopBroadcast()”.

Deploying the contract on chain B

Next, we will deploy the contract “contractB” to chain “chainB”. Here are the steps:

• Start a new broadcast to deploy the contract on chainB: “vm.startBroadcast(chainB)”

• Deploy the contract: “contractB.deploy()”.

• Stop the broadcast: “vm.stopBroadcast()”.

Code example

Here is an example of how you can deploy contracts to multiple chains from a Foundry script:

import foundry





Set up a project
foundry.init('myproject')

Configure the Ethereum environment
foundry.config.ethers.config_file = 'ethers.config.js'

Deploy contract A on chain A
contract_a = foundry CONTRACT_A
vm.startBroadcast('chainA')
contract_a.deploy()
vm.stopBroadcast()

Deploy contract B on chain B
contract_b = foundry CONTRACT_B
vm.startBroadcast('chainB')
contract_b.deploy()
vm.stopBroadcast()

Note: This is just an example, and you should replace the module “foundry contractors” with the actual contract names.

With these steps, you can deploy contracts to two different Ethereum chains from a Foundry script. Remember to always start broadcasting each deployment on the target chain before stopping the broadcast to ensure that the transactions are included in the block.

I hope this helps! Let me know if you have any questions or need further assistance.

ethereum multibit