Using Chainlink Local to Test CCIP in RemixIDE

If you use NPM, install the @chainlink/local NPM package:

npm install @chainlink/local@0.2.2

If you use Yarn, install the @chainlink/local NPM package:

yarn add @chainlink/local@0.2.2

If you use Foundry:

forge install smartcontractkit/chainlink-local@cd3bfb8c42716cfb791174314eba2c0d178551b9

and then set remappings to: @chainlink/local/=lib/chainlink-local/ in either remappings.txt or foundry.toml file

Import the CCIPLocalSimulator contract from the @chainlink/local package:

import {CCIPLocalSimulator} from "@chainlink/local@0.2.2/src/ccip/CCIPLocalSimulator.sol";

There is one comprehensive guide to help you test Chainlink CCIP in Remix IDE using Chainlink Local - without forking. Testing in forked environments is currently supported only for Foundry and Hardhat.

Guides

Using CCIP Local Simulator in Remix IDE

This guide helps you to test Chainlink CCIP getting started guide locally in Remix IDE. You will:

Deploy a CCIP sender contract
Deploy CCIP receiver contract
Use the local simulator to send data from the sender contract to the receiver contract

Using Chainlink Local to Test CCIP in RemixIDE

Guides

Using CCIP Local Simulator in Remix IDE

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