initial commit

.gitignore

@@ -12,3 +12,4 @@ docs/
 
 # Dotenv file
 .env
+node_modules

.gitmodules

@@ -1,3 +1,9 @@
 [submodule "lib/forge-std"]
 	path = lib/forge-std
 	url = https://github.com/foundry-rs/forge-std
+[submodule "lib/ccip"]
+	path = lib/ccip
+	url = https://github.com/smartcontractkit/ccip
+[submodule "lib/chainlink-local"]
+	path = lib/chainlink-local
+	url = https://github.com/smartcontractkit/chainlink-local

foundry.toml

@@ -1,6 +1,18 @@
 [profile.default]
+viaIrl = true
+
 src = "src"
 out = "out"
 libs = ["lib"]
-
-# See more config options https://github.com/foundry-rs/foundry/blob/master/crates/config/README.md#all-options
+remappings = ['@chainlink/local=lib/chainlink-local/src/ccip/']
+solc = '0.8.27'
+[rpc_endpoints]
+ethereumSepolia = "${ETHEREUM_SEPOLIA_RPC_URL}"
+optimismGoerli = "${OPTIMISM_GOERLI_RPC_URL}"
+avalancheFuji = "${AVALANCHE_FUJI_RPC_URL}"
+arbitrumSepolia = "${ARBITRUM_SEPOLIA_RPC_URL}"
+polygonMumbai = "${POLYGON_MUMBAI_RPC_URL}"
+bnbChainTestnet = "${BNB_CHAIN_TESTNET_RPC_URL}"
+baseSepolia = "${BASE_SEPOLIA_RPC_URL}"
+metisSepolia = "${METIS_SEPOLIA_RPC_URL}"
+zksyncSepolia = "${ZKSYNC_SEPOLIA_RPC_URL}"

lcov.info

@@ -0,0 +1,126 @@
+TN:
+SF:src/Answer.sol
+FN:21,Answer.
+FNDA:3,Answer.
+DA:22,3
+DA:23,3
+DA:24,3
+FN:27,Answer._ccipReceive
+FNDA:3,Answer._ccipReceive
+DA:28,3
+DA:29,3
+DA:31,3
+DA:33,3
+DA:41,3
+DA:42,3
+DA:44,3
+FN:47,Answer.getLastReceivedMessageDetails
+FNDA:3,Answer.getLastReceivedMessageDetails
+DA:52,3
+FN:55,Answer.previewFees
+FNDA:3,Answer.previewFees
+DA:60,6
+DA:61,6
+FN:64,Answer.answerTier
+FNDA:0,Answer.answerTier
+DA:68,3
+DA:70,3
+DA:72,3
+BRDA:72,0,0,-
+BRDA:72,0,1,3
+DA:77,3
+DA:78,3
+DA:79,3
+DA:83,3
+FN:86,Answer.mountMessage
+FNDA:9,Answer.mountMessage
+DA:91,9
+DA:99,9
+FNF:6
+FNH:5
+LF:22
+LH:22
+BRF:2
+BRH:1
+end_of_record
+TN:
+SF:src/Ask.sol
+FN:17,Ask.
+FNDA:3,Ask.
+DA:18,3
+DA:19,3
+FN:22,Ask.previewFees
+FNDA:3,Ask.previewFees
+DA:27,6
+DA:28,6
+FN:31,Ask.askTier
+FNDA:3,Ask.askTier
+DA:35,3
+DA:36,3
+DA:38,3
+BRDA:38,0,0,-
+BRDA:38,0,1,3
+DA:43,3
+DA:44,3
+DA:45,3
+DA:49,3
+FN:52,Ask._ccipReceive
+FNDA:3,Ask._ccipReceive
+DA:53,3
+DA:55,3
+FN:58,Ask.mountMessage
+FNDA:9,Ask.mountMessage
+DA:59,9
+DA:67,9
+FNF:5
+FNH:5
+LF:15
+LH:15
+BRF:2
+BRH:1
+end_of_record
+TN:
+SF:src/Points.sol
+FN:7,Points.grantPoints
+FNDA:9,Points.grantPoints
+DA:8,9
+FNF:1
+FNH:1
+LF:1
+LH:1
+BRF:0
+BRH:0
+end_of_record
+TN:
+SF:src/Tiers.sol
+FN:13,Tiers.
+FNDA:3,Tiers.
+DA:14,3
+FN:23,Tiers.addTier
+FNDA:15,Tiers.addTier
+DA:24,15
+DA:25,15
+DA:26,15
+FN:34,Tiers.getTier
+FNDA:3,Tiers.getTier
+DA:36,3
+DA:39,3
+DA:41,10
+DA:42,3
+BRDA:42,0,0,3
+DA:43,3
+DA:48,0
+FN:56,Tiers.getTierByName
+FNDA:0,Tiers.getTierByName
+DA:57,0
+DA:59,0
+DA:60,0
+DA:61,0
+DA:65,0
+FNF:4
+FNH:3
+LF:15
+LH:9
+BRF:1
+BRH:1
+end_of_record

src/Answer.sol

@@ -0,0 +1,101 @@
+// SPDX-License-Identifier: MIT
+pragma solidity 0.8.27;
+
+import {console} from "forge-std/Test.sol";
+import {Client} from "@chainlink/contracts-ccip/src/v0.8/ccip/libraries/Client.sol";
+import {CCIPReceiver} from "@chainlink/contracts-ccip/src/v0.8/ccip/applications/CCIPReceiver.sol";
+import {IRouterClient} from "@chainlink/contracts-ccip/src/v0.8/ccip/interfaces/IRouterClient.sol";
+import {IERC20} from
+    "@chainlink/contracts-ccip/src/v0.8/vendor/openzeppelin-solidity/v4.8.3/contracts/token/ERC20/IERC20.sol";
+import {ICrossChainMessages} from "./interfaces/ICrossChainMessages.sol";
+import {ITiers} from "./interfaces/ITiers.sol";
+
+contract Answer is CCIPReceiver {
+    bytes32 private lastReceivedMessageId;
+    address private lastReceivedWallet;
+    string private lastAnswer;
+    ITiers private samuraiTiers;
+    IRouterClient private router;
+    IERC20 private linkToken;
+
+    constructor(address _router, address _samuraiTiers, address _link) CCIPReceiver(_router) {
+        router = IRouterClient(_router);
+        samuraiTiers = ITiers(_samuraiTiers);
+        linkToken = IERC20(_link);
+    }
+
+    function _ccipReceive(Client.Any2EVMMessage memory any2EvmMessage) internal override {
+        lastReceivedMessageId = any2EvmMessage.messageId;
+        lastReceivedWallet = abi.decode(any2EvmMessage.data, (address));
+
+        address receiver = abi.decode(any2EvmMessage.sender, (address));
+
+        emit ICrossChainMessages.MessageReceived(
+            any2EvmMessage.messageId,
+            any2EvmMessage.sourceChainSelector,
+            abi.decode(any2EvmMessage.sender, (address)),
+            abi.decode(any2EvmMessage.data, (address)),
+            ""
+        );
+
+        ITiers.Tier memory tier = samuraiTiers.getTier(lastReceivedWallet);
+        lastAnswer = tier.name;
+
+        answerTier(any2EvmMessage.sourceChainSelector, receiver, lastReceivedWallet, tier.name);
+    }
+
+    function getLastReceivedMessageDetails()
+        external
+        view
+        returns (bytes32 messageId, address wallet, string memory answer)
+    {
+        return (lastReceivedMessageId, lastReceivedWallet, lastAnswer);
+    }
+
+    function previewFees(uint64 destinationChainSelector, address receiver, address wallet, string memory tierName)
+        public
+        view
+        returns (uint256)
+    {
+        Client.EVM2AnyMessage memory evm2AnyMessage = mountMessage(receiver, wallet, tierName);
+        return router.getFee(destinationChainSelector, evm2AnyMessage);
+    }
+
+    function answerTier(uint64 destinationChainSelector, address receiver, address wallet, string memory tierName)
+        public
+        returns (bytes32 messageId)
+    {
+        Client.EVM2AnyMessage memory evm2AnyMessage = mountMessage(receiver, wallet, tierName);
+
+        uint256 fees = previewFees(destinationChainSelector, receiver, wallet, tierName);
+
+        require(
+            fees <= linkToken.balanceOf(address(this)),
+            ICrossChainMessages.NotEnoughBalance(linkToken.balanceOf(address(this)), fees)
+        );
+
+        linkToken.approve(address(router), fees);
+        messageId = router.ccipSend(destinationChainSelector, evm2AnyMessage);
+        emit ICrossChainMessages.MessageSent(
+            messageId, destinationChainSelector, receiver, wallet, tierName, address(linkToken), fees
+        );
+
+        return messageId;
+    }
+
+    function mountMessage(address receiver, address wallet, string memory tierName)
+        private
+        view
+        returns (Client.EVM2AnyMessage memory)
+    {
+        Client.EVM2AnyMessage memory evm2AnyMessage = Client.EVM2AnyMessage({
+            receiver: abi.encode(receiver),
+            data: abi.encode(wallet, tierName),
+            tokenAmounts: new Client.EVMTokenAmount[](0),
+            extraArgs: Client._argsToBytes(Client.EVMExtraArgsV1({gasLimit: 500_000})),
+            feeToken: address(linkToken)
+        });
+
+        return evm2AnyMessage;
+    }
+}

src/Ask.sol

@@ -0,0 +1,69 @@
+// SPDX-License-Identifier: MIT
+pragma solidity 0.8.27;
+
+import {CCIPReceiver} from "@chainlink/contracts-ccip/src/v0.8/ccip/applications/CCIPReceiver.sol";
+import {IRouterClient} from "@chainlink/contracts-ccip/src/v0.8/ccip/interfaces/IRouterClient.sol";
+import {Client} from "@chainlink/contracts-ccip/src/v0.8/ccip/libraries/Client.sol";
+import {IERC20} from
+    "@chainlink/contracts-ccip/src/v0.8/vendor/openzeppelin-solidity/v4.8.3/contracts/token/ERC20/IERC20.sol";
+import {ICrossChainMessages} from "./interfaces/ICrossChainMessages.sol";
+import {console} from "forge-std/Test.sol";
+
+contract Ask is CCIPReceiver {
+    IRouterClient private router;
+    IERC20 private linkToken;
+    mapping(address wallet => string name) public tiers;
+
+    constructor(address _router, address _link) CCIPReceiver(_router) {
+        router = IRouterClient(_router);
+        linkToken = IERC20(_link);
+    }
+
+    function previewFees(uint64 destinationChainSelector, address receiver, address wallet)
+        public
+        view
+        returns (uint256)
+    {
+        Client.EVM2AnyMessage memory evm2AnyMessage = mountMessage(receiver, wallet);
+        return router.getFee(destinationChainSelector, evm2AnyMessage);
+    }
+
+    function askTier(uint64 destinationChainSelector, address receiver, address wallet)
+        external
+        returns (bytes32 messageId)
+    {
+        Client.EVM2AnyMessage memory evm2AnyMessage = mountMessage(receiver, wallet);
+        uint256 fees = previewFees(destinationChainSelector, receiver, wallet);
+
+        require(
+            fees <= linkToken.balanceOf(address(this)),
+            ICrossChainMessages.NotEnoughBalance(linkToken.balanceOf(address(this)), fees)
+        );
+
+        linkToken.approve(address(router), fees);
+        messageId = router.ccipSend(destinationChainSelector, evm2AnyMessage);
+        emit ICrossChainMessages.MessageSent(
+            messageId, destinationChainSelector, receiver, wallet, "", address(linkToken), fees
+        );
+
+        return messageId;
+    }
+
+    function _ccipReceive(Client.Any2EVMMessage memory any2EvmMessage) internal override {
+        (address wallet, string memory tierName) = abi.decode(any2EvmMessage.data, (address, string));
+
+        tiers[wallet] = tierName;
+    }
+
+    function mountMessage(address receiver, address wallet) private view returns (Client.EVM2AnyMessage memory) {
+        Client.EVM2AnyMessage memory evm2AnyMessage = Client.EVM2AnyMessage({
+            receiver: abi.encode(receiver),
+            data: abi.encode(wallet),
+            tokenAmounts: new Client.EVMTokenAmount[](0),
+            extraArgs: Client._argsToBytes(Client.EVMExtraArgsV1({gasLimit: 500_000})),
+            feeToken: address(linkToken)
+        });
+
+        return evm2AnyMessage;
+    }
+}

src/Points.sol

@@ -0,0 +1,10 @@
+// SPDX-License-Identifier: MIT
+pragma solidity 0.8.27;
+
+contract Points {
+    mapping(address wallet => uint256 walletPoints) public walletsPoints;
+
+    function grantPoints(address wallet, uint256 points) external {
+        walletsPoints[wallet] = points;
+    }
+}