smom-dbis-138/script/FundBridgeLinkViaCcip138.s.sol

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.19;

import "forge-std/Script.sol";
import {IRouterClient} from "../contracts/ccip/IRouterClient.sol";
import {IERC20} from "@openzeppelin/contracts/token/ERC20/IERC20.sol";

/// @notice CCIP-send Chain 138 LINK to a destination-chain bridge contract (operator funding).
/// Env: PRIVATE_KEY, CCIP_ROUTER_CHAIN138, LINK_TOKEN_CHAIN138, DEST_SELECTOR, DEST_BRIDGE, LINK_AMOUNT_WEI
contract FundBridgeLinkViaCcip138 is Script {
    function run() external {
        uint256 deployerKey = vm.envUint("PRIVATE_KEY");
        address router = vm.envAddress("CCIP_ROUTER_CHAIN138");
        address link = vm.envAddress("LINK_TOKEN_CHAIN138");
        uint64 destSelector = uint64(vm.envUint("DEST_SELECTOR"));
        address destBridge = vm.envAddress("DEST_BRIDGE");
        uint256 amount = vm.envUint("LINK_AMOUNT_WEI");

        IRouterClient.TokenAmount[] memory tokenAmounts = new IRouterClient.TokenAmount[](1);
        tokenAmounts[0] = IRouterClient.TokenAmount({
            token: link,
            amount: amount,
            amountType: IRouterClient.TokenAmountType.Fiat
        });

        IRouterClient.EVM2AnyMessage memory message = IRouterClient.EVM2AnyMessage({
            receiver: abi.encode(destBridge),
            data: "",
            tokenAmounts: tokenAmounts,
            feeToken: link,
            extraArgs: ""
        });

        uint256 fee = IRouterClient(router).getFee(destSelector, message);
        console2.log("destBridge", destBridge);
        console2.log("amount", amount);
        console2.log("fee", fee);

        vm.startBroadcast(deployerKey);
        IERC20(link).approve(router, amount + fee);
        (bytes32 messageId,) = IRouterClient(router).ccipSend(destSelector, message);
        console2.logBytes32(messageId);
        vm.stopBroadcast();
    }
}