Test/integration arbitrum to gnosis

contracts/deploy/01-outbox/01-arb-to-gnosis-outbox.ts

@@ -36,17 +36,17 @@ const paramsByChainId = {
     sequencerLimit: 86400, // 24 hours
   },
   HARDHAT: {
-    deposit: parseEther("5"), // 120 xDAI budget for timeout
+    deposit: parseEther("10"),
     // Average happy path wait time is 22.5 mins, assume no censorship
     epochPeriod: 600, // 10 min
-    challengePeriod: 600, // 10 min (assume no sequencer backdating)
-    numEpochTimeout: 24, // 6 hours
+    minChallengePeriod: 600, // 10 min (assume no sequencer backdating)
+    numEpochTimeout: 21600, // 6 hours
     claimDelay: 2,
     amb: ethers.constants.AddressZero,
     routerAddress: ethers.constants.AddressZero,
     maxMissingBlocks: 10000000000000,
     routerChainId: 31337,
-    sequencerLimit: 86400, // 24 hours
+    sequencerLimit: 864,
   },
 };
 
@@ -56,8 +56,15 @@ const deployOutbox: DeployFunction = async (hre: HardhatRuntimeEnvironment) => {
   const { providers } = ethers;
 
   // fallback to hardhat node signers on local network
-  const deployer = (await getNamedAccounts()).deployer ?? (await hre.ethers.getSigners())[0].address;
-  const chainId = Number(await getChainId());
+  const [namedAccounts, signers, rawChainId] = await Promise.all([
+    getNamedAccounts(),
+    hre.ethers.getSigners(),
+    getChainId(),
+  ]);
+
+  const deployer = namedAccounts.deployer ?? signers[0].address;
+  const chainId = Number(rawChainId);
+
   console.log("deploying to chainId %s with deployer %s", chainId, deployer);
 
   const routerNetworks = {
@@ -84,27 +91,50 @@ const deployOutbox: DeployFunction = async (hre: HardhatRuntimeEnvironment) => {
   // ----------------------------------------------------------------------------------------------
   const hardhatDeployer = async () => {
     let nonce = await ethers.provider.getTransactionCount(deployer);
-    nonce += 4; // SenderGatewayToEthereum deploy tx will be the 5th after this, same network for both sender/receiver.
 
-    const routerAddress = getContractAddress(deployer, nonce);
-    console.log("calculated future router for nonce %d: %s", nonce, routerAddress);
+    const routerAddress = getContractAddress(deployer, nonce + 10);
+    console.log("calculated future router for nonce %d: %s", nonce + 10, routerAddress);
+
+    const senderGatewayAddress = getContractAddress(deployer, nonce + 6); // with the current order of transaction ,nonce for sender gateway would be 14.
+    console.log("calculated future SenderGatewayToGnosis address for nonce %d: %s", nonce + 6, senderGatewayAddress);
 
-    await deploy("VeaOutboxGnosisMock", {
+    const ambMock = await deploy("MockAMB", {
       from: deployer,
+      args: [],
+      log: true,
+    });
+
+    const wethMock = await deploy("MockWETH", {
+      from: deployer,
+      args: [],
+      log: true,
+    });
+
+    const veaOutbox = await deploy("VeaOutboxArbToGnosis", {
+      from: deployer,
+      contract: "VeaOutboxArbToGnosis",
       args: [
         deposit,
         epochPeriod,
         minChallengePeriod,
         numEpochTimeout,
-        amb,
-        ethers.constants.AddressZero,
+        ambMock.address,
+        routerAddress,
         sequencerLimit,
         maxMissingBlocks,
         routerChainId,
-        WETH,
+        wethMock.address,
       ],
       log: true,
     });
+
+    await deploy("ArbToGnosisReceiverGateway", {
+      from: deployer,
+      contract: "ReceiverGatewayMock",
+      args: [veaOutbox.address, senderGatewayAddress],
+      gasLimit: 4000000,
+      log: true,
+    });
   };
 
   // ----------------------------------------------------------------------------------------------

contracts/deploy/02-inbox/02-arb-to-gnosis-inbox.ts

@@ -1,12 +1,14 @@
 import { HardhatRuntimeEnvironment } from "hardhat/types";
 import { DeployFunction } from "hardhat-deploy/types";
 import getContractAddress from "../../deploy-helpers/getContractAddress";
+import { ethers } from "hardhat";
 
 enum SenderChains {
   ARBITRUM = 42161,
   ARBITRUM_SEPOLIA = 421614,
   HARDHAT = 31337,
 }
+
 const paramsByChainId = {
   ARBITRUM: {
     epochPeriod: 3600, // 1 hours
@@ -19,38 +21,69 @@ const paramsByChainId = {
   },
 };
 
-// TODO: use deterministic deployments
 const deployInbox: DeployFunction = async (hre: HardhatRuntimeEnvironment) => {
   const { ethers, deployments, getNamedAccounts, getChainId, config } = hre;
   const { deploy } = deployments;
-  const chainId = Number(await getChainId());
-  const { providers } = ethers;
 
-  const deployer = (await getNamedAccounts()).deployer;
-  console.log("deployer: %s", deployer);
+  // fallback to hardhat node signers on local network
+  const [namedAccounts, signers, rawChainId] = await Promise.all([
+    getNamedAccounts(),
+    hre.ethers.getSigners(),
+    getChainId(),
+  ]);
+
+  const deployer = namedAccounts.deployer ?? signers[0].address;
+  const chainId = Number(rawChainId);
+
+  console.log("deploying to chainId %s with deployer %s", chainId, deployer);
 
   const { epochPeriod } = paramsByChainId[SenderChains[chainId]];
 
-  const routerNetworks = {
-    ARBITRUM: config.networks.mainnet,
-    ARBITRUM_SEPOLIA: config.networks.sepolia,
-    HARDHAT: config.networks.localhost,
-  };
+  // Hack to predict the deployment address on the sender chain.
+  // TODO: use deterministic deployments
 
   // ----------------------------------------------------------------------------------------------
+  const hardhatDeployer = async () => {
+    let nonce = await ethers.provider.getTransactionCount(deployer);
+
+    const arbitrumBridgeAddress = getContractAddress(deployer, nonce + 5);
 
-  const routerChainProvider = new providers.JsonRpcProvider(routerNetworks[SenderChains[chainId]].url);
-  let nonceRouter = await routerChainProvider.getTransactionCount(deployer);
+    const arbSysMock = await deploy("ArbSysMock", {
+      from: deployer,
+      contract: "ArbSysMockWithBridge",
+      args: [arbitrumBridgeAddress],
+      log: true,
+    });
 
-  const routerAddress = getContractAddress(deployer, nonceRouter);
-  console.log("calculated future router for nonce %d: %s", nonceRouter, routerAddress);
+    const routerAddress = getContractAddress(deployer, nonce + 6);
+    console.log("calculated future router for nonce %d: %s", nonce + 6, routerAddress);
 
-  await deploy("VeaInboxArbToGnosis" + (chainId === 42161 ? "" : "Testnet"), {
-    contract: "VeaInboxArbToGnosis",
-    from: deployer,
-    args: [epochPeriod, routerAddress],
-    log: true,
-  });
+    const receiverGateway = await deployments.get("ArbToGnosisReceiverGateway");
+    const veaInbox = await deploy("VeaInboxArbToGnosis", {
+      from: deployer,
+      contract: "VeaInboxArbToGnosisMock",
+      args: [epochPeriod, routerAddress, arbSysMock.address],
+      log: true,
+    });
+
+    await deploy("ArbToGnosisSenderGateway", {
+      from: deployer,
+      contract: "SenderGatewayMock",
+      args: [veaInbox.address, receiverGateway.address],
+      gasLimit: 4000000,
+      log: true,
+    });
+  };
+
+  // ----------------------------------------------------------------------------------------------
+  const liveDeployer = async () => {};
+
+  // ----------------------------------------------------------------------------------------------
+  if (chainId === 31337) {
+    await hardhatDeployer();
+  } else {
+    await liveDeployer();
+  }
 };
 
 deployInbox.tags = ["ArbToGnosisInbox"];

contracts/deploy/03-routers/03-arb-to-gnosis-router.ts

@@ -27,23 +27,50 @@ const paramsByChainId = {
 const deployRouter: DeployFunction = async (hre: HardhatRuntimeEnvironment) => {
   const { deployments, getNamedAccounts, getChainId } = hre;
   const { deploy } = deployments;
-  const chainId = Number(await getChainId());
 
   // fallback to hardhat node signers on local network
-  const deployer = (await getNamedAccounts()).deployer ?? (await hre.ethers.getSigners())[0].address;
-  console.log("deployer: %s", deployer);
+  const [namedAccounts, signers, rawChainId] = await Promise.all([
+    getNamedAccounts(),
+    hre.ethers.getSigners(),
+    getChainId(),
+  ]);
+
+  const deployer = namedAccounts.deployer ?? signers[0].address;
+  const chainId = Number(rawChainId);
+
+  console.log("deploying to chainId %s with deployer %s", chainId, deployer);
 
   const { arbitrumBridge, amb } = paramsByChainId[RouterChains[chainId]];
 
   // ----------------------------------------------------------------------------------------------
   const hardhatDeployer = async () => {
-    const veaOutbox = await deployments.get("VeaOutboxArbToGnosis");
-    const veaInbox = await deployments.get("VeaInboxArbToGnosis");
+    const [veaOutbox, veaInbox, amb] = await Promise.all([
+      deployments.get("VeaOutboxArbToGnosis"),
+      deployments.get("VeaInboxArbToGnosis"),
+      deployments.get("MockAMB"),
+    ]);
+
+    const sequencerInbox = await deploy("SequencerInboxMock", {
+      from: deployer,
+      contract: "SequencerInboxMock",
+      args: ["10"],
+    });
+    const outbox = await deploy("OutboxMock", {
+      from: deployer,
+      args: [veaInbox.address],
+      log: true,
+    });
+
+    const arbitrumBridge = await deploy("BridgeMock", {
+      from: deployer,
+      contract: "BridgeMock",
+      args: [outbox.address, sequencerInbox.address],
+    });
 
     const router = await deploy("RouterArbToGnosis", {
       from: deployer,
       contract: "RouterArbToGnosis",
-      args: [arbitrumBridge, amb, veaInbox.address, veaOutbox.address],
+      args: [arbitrumBridge.address, amb.address, veaInbox.address, veaOutbox.address],
     });
   };
 
@@ -73,7 +100,6 @@ const deployRouter: DeployFunction = async (hre: HardhatRuntimeEnvironment) => {
 deployRouter.tags = ["ArbToGnosisRouter"];
 deployRouter.skip = async ({ getChainId }) => {
   const chainId = Number(await getChainId());
-  console.log(chainId);
   return !RouterChains[chainId];
 };
 deployRouter.runAtTheEnd = true;

contracts/src/test/ArbToGnosis/VeaInboxArbToGnosisMock.sol

@@ -0,0 +1,39 @@
+// SPDX-License-Identifier: MIT
+
+/// @custom:authors: [@madhurMongia]
+/// @custom:reviewers: []
+/// @custom:auditors: []
+/// @custom:bounties: []
+/// @custom:deployments: []
+
+pragma solidity 0.8.24;
+
+import "../../arbitrumToGnosis/VeaInboxArbToGnosis.sol";
+import "../../canonical/arbitrum/IArbSys.sol";
+import "../../interfaces/routers/IRouterToGnosis.sol";
+
+contract VeaInboxArbToGnosisMock is VeaInboxArbToGnosis {
+    IArbSys public immutable mockArbSys;
+
+    constructor(
+        uint256 _epochPeriod,
+        address _routerArbToGnosis,
+        IArbSys _mockArbSys
+    ) VeaInboxArbToGnosis(_epochPeriod, _routerArbToGnosis) {
+        mockArbSys = _mockArbSys;
+    }
+
+    // Override sendSnapshot to use the mock ArbSys
+    function sendSnapshot(uint256 _epoch, uint256 _gasLimit, Claim memory _claim) external override {
+        unchecked {
+            require(_epoch < block.timestamp / epochPeriod, "Can only send past epoch snapshot.");
+        }
+
+        bytes memory data = abi.encodeCall(IRouterToGnosis.route, (_epoch, snapshots[_epoch], _gasLimit, _claim));
+
+        // Use the mock ArbSys instead of the constant ARB_SYS
+        bytes32 ticketID = bytes32(mockArbSys.sendTxToL1(routerArbToGnosis, data));
+
+        emit SnapshotSent(_epoch, ticketID);
+    }
+}

contracts/src/test/bridge-mocks/arbitrum/ArbSysMockWithBridge.sol

@@ -0,0 +1,27 @@
+// SPDX-License-Identifier: MIT
+
+/// @custom:authors: [@madhurMongia]
+/// @custom:reviewers: []
+/// @custom:auditors: []
+/// @custom:bounties: []
+/// @custom:deployments: []
+
+pragma solidity 0.8.24;
+
+import "../../../canonical/arbitrum/IArbSys.sol";
+import "./BridgeMock.sol";
+
+contract ArbSysMockWithBridge is IArbSys {
+    BridgeMock public immutable bridge;
+
+    constructor(BridgeMock _bridge) {
+        bridge = _bridge;
+    }
+
+    function sendTxToL1(
+        address destination,
+        bytes calldata calldataForL1
+    ) external payable returns (uint256 _withdrawal_ID) {
+        return bridge.executeL1Message(destination, calldataForL1);
+    }
+}

contracts/src/test/bridge-mocks/arbitrum/BridgeMock.sol

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: MIT
 
-/// @custom:authors: [@hrishibhat]
+/// @custom:authors: [@hrishibhat,@madhurMongia]
 /// @custom:reviewers: []
 /// @custom:auditors: []
 /// @custom:bounties: []
@@ -27,4 +27,17 @@ contract BridgeMock is IBridge {
         if (index == 0) return sequencerInbox;
         return address(0);
     }
+
+    function executeL1Message(address destination, bytes calldata data) external returns (uint256) {
+        // Simulate the bridge calling the destination contract
+        (bool success, bytes memory returnData) = destination.call(data);
+
+        if (!success) {
+            assembly {
+                revert(add(returnData, 32), mload(returnData))
+            }
+        }
+
+        return 0;
+    }
 }