43 lines
1.9 KiB
Solidity
43 lines
1.9 KiB
Solidity
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// SPDX-License-Identifier: MIT
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pragma solidity ^0.8.19;
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import "forge-std/Script.sol";
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import {IRouterClient} from "@chainlink/contracts-ccip/contracts/interfaces/IRouterClient.sol";
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import {Client} from "@chainlink/contracts-ccip/contracts/libraries/Client.sol";
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import {IERC20} from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
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/// @notice CCIP-send canonical mainnet LINK to a destination-chain bridge contract.
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/// Env: PRIVATE_KEY, CCIP_ROUTER_MAINNET, LINK_TOKEN_MAINNET, DEST_SELECTOR, DEST_BRIDGE, LINK_AMOUNT_WEI
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contract FundBridgeLinkViaCcipMainnet is Script {
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function run() external {
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uint256 deployerKey = vm.envUint("PRIVATE_KEY");
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address router = vm.envAddress("CCIP_ROUTER_MAINNET");
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address link = vm.envAddress("LINK_TOKEN_MAINNET");
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uint64 destSelector = uint64(vm.envUint("DEST_SELECTOR"));
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address destBridge = vm.envAddress("DEST_BRIDGE");
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uint256 amount = vm.envUint("LINK_AMOUNT_WEI");
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Client.EVMTokenAmount[] memory tokenAmounts = new Client.EVMTokenAmount[](1);
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tokenAmounts[0] = Client.EVMTokenAmount({token: link, amount: amount});
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Client.EVM2AnyMessage memory message = Client.EVM2AnyMessage({
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receiver: abi.encode(destBridge),
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data: "",
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tokenAmounts: tokenAmounts,
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feeToken: link,
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extraArgs: Client._argsToBytes(Client.EVMExtraArgsV1({gasLimit: 200_000}))
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});
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uint256 fee = IRouterClient(router).getFee(destSelector, message);
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console2.log("destBridge", destBridge);
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console2.log("amount", amount);
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console2.log("fee", fee);
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vm.startBroadcast(deployerKey);
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IERC20(link).approve(router, amount + fee);
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bytes32 messageId = IRouterClient(router).ccipSend(destSelector, message);
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console2.logBytes32(messageId);
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vm.stopBroadcast();
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}
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}
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