fix: revert mistaken variable naming

contracts/src/FastBridgeReceiverOnEthereum.sol

@@ -38,28 +38,28 @@ contract FastBridgeReceiverOnEthereum is IFastBridgeReceiver, ISafeBridgeReceive
 
     function isSentBySafeBridge() internal view virtual override returns (bool) {
         IOutbox outbox = IOutbox(inbox.bridge().activeOutbox());
-        return (msg.sender == address(outbox) && outbox.l2ToL1Sender() == fastBridgeSender);
+        return msg.sender == address(outbox) && outbox.l2ToL1Sender() == safeBridgeSender;
     }
 
     /**
      * @dev Constructor.
      * @param _deposit The deposit amount to submit a claim in wei.
      * @param _epochPeriod The duration of each epoch.
      * @param _challengePeriod The duration of the period allowing to challenge a claim.
-     * @param _fastBridgeSender The address of the Safe Bridge Sender on the connecting chain.
+     * @param _safeBridgeSender The address of the Safe Bridge Sender on the connecting chain.
      * @param _inbox Ethereum receiver specific: The address of the inbox contract on Ethereum.
      */
     constructor(
         uint256 _deposit,
         uint256 _epochPeriod,
         uint256 _challengePeriod,
-        address _fastBridgeSender,
+        address _safeBridgeSender,
         address _inbox // Ethereum receiver specific
     ) {
         deposit = _deposit;
         epochPeriod = _epochPeriod;
         challengePeriod = _challengePeriod;
-        fastBridgeSender = _fastBridgeSender;
+        safeBridgeSender = _safeBridgeSender;
         inbox = IInbox(_inbox); // Ethereum receiver specific
     }
 
@@ -95,7 +95,7 @@ contract FastBridgeReceiverOnEthereum is IFastBridgeReceiver, ISafeBridgeReceive
     uint256 public immutable deposit; // The deposit required to submit a claim or challenge
     uint256 public immutable override epochPeriod; // Epochs mark the period between potential batches of messages.
     uint256 public immutable override challengePeriod; // Epochs mark the period between potential batches of messages.
-    address public immutable fastBridgeSender; // The address of the Safe Bridge Sender on the connecting chain.
+    address public immutable safeBridgeSender; // The address of the Safe Bridge Sender on the connecting chain.
 
     mapping(uint256 => bytes32) public fastInbox; // epoch => validated batch merkle root(optimistically, or challenged and verified with the safe bridge)
     mapping(uint256 => Claim) public claims; // epoch => claim

contracts/src/FastBridgeReceiverOnGnosis.sol

@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT
 
 /**
- *  @authors: [@jaybuidl, @shotaronowhere, @hrishibhat, @adi274]
+ *  @authors: [@jaybuidl, @shotaronowhere, @hrishibhat]
  *  @reviewers: []
  *  @auditors: []
  *  @bounties: []
@@ -36,28 +36,28 @@ contract FastBridgeReceiverOnGnosis is IFastBridgeReceiver, ISafeBridgeReceiver
     // ************************************* //
 
     function isSentBySafeBridge() internal view override returns (bool) {
-        return (msg.sender == address(amb)) && (amb.messageSender() == fastBridgeSender);
+        return (msg.sender == address(amb)) && (amb.messageSender() == safeBridgeSender);
     }
 
     /**
      * @dev Constructor.
      * @param _deposit The deposit amount to submit a claim in wei.
      * @param _epochPeriod The duration of each epoch.
      * @param _challengePeriod The duration of the period allowing to challenge a claim.
-     * @param _fastBridgeSender The address of the Safe Bridge Sender on the connecting chain.
+     * @param _safeBridgeSender The address of the Safe Bridge Sender on the connecting chain.
      * @param _amb The AMB contract on Gnosis Chain.
      */
     constructor(
         uint256 _deposit,
         uint256 _epochPeriod,
         uint256 _challengePeriod,
-        address _fastBridgeSender, // Gnosis receiver specific
+        address _safeBridgeSender, // Gnosis receiver specific
         address _amb // Gnosis receiver specific
     ) {
         deposit = _deposit;
         epochPeriod = _epochPeriod;
         challengePeriod = _challengePeriod;
-        fastBridgeSender = _fastBridgeSender;
+        safeBridgeSender = _safeBridgeSender;
         amb = IAMB(_amb); // Gnosis receiver specific
     }
 
@@ -93,7 +93,7 @@ contract FastBridgeReceiverOnGnosis is IFastBridgeReceiver, ISafeBridgeReceiver
     uint256 public immutable deposit; // The deposit required to submit a claim or challenge
     uint256 public immutable override epochPeriod; // Epochs mark the period between potential batches of messages.
     uint256 public immutable override challengePeriod; // Epochs mark the period between potential batches of messages.
-    address public immutable fastBridgeSender; // The address of the Safe Bridge Sender on the connecting chain.
+    address public immutable safeBridgeSender; // The address of the Safe Bridge Sender on the connecting chain.
 
     mapping(uint256 => bytes32) public fastInbox; // epoch => validated batch merkle root(optimistically, or challenged and verified with the safe bridge)
     mapping(uint256 => Claim) public claims; // epoch => claim

contracts/src/FastBridgeReceiverOnPolygon.sol

@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT
 
 /**
- *  @authors: [@jaybuidl, @shotaronowhere, @hrishibhat, @adi274]
+ *  @authors: [@jaybuidl, @shotaronowhere, @hrishibhat]
  *  @reviewers: []
  *  @auditors: []
  *  @bounties: []
@@ -38,21 +38,21 @@ contract FastBridgeReceiverOnPolygon is FxBaseChildTunnel, IFastBridgeReceiver,
      * @param _deposit The deposit amount to submit a claim in wei.
      * @param _epochPeriod The duration of each epoch.
      * @param _challengePeriod The duration of the period allowing to challenge a claim.
-     * @param _fastBridgeSender The address of the Safe Bridge Sender on the connecting chain. fxRootTunnel contract in ethereum
+     * @param _safeBridgeSender The address of the Safe Bridge Sender on the connecting chain. fxRootTunnel contract in ethereum
      * @param _fxChild The the fxChild contract on Polygon Chain.
      */
     constructor(
         uint256 _deposit,
         uint256 _epochPeriod,
         uint256 _challengePeriod,
-        address _fastBridgeSender, // Polygon receiver specific
+        address _safeBridgeSender, // Polygon receiver specific
         address _fxChild // Polygon receiver specific
     ) FxBaseChildTunnel(_fxChild) {
         deposit = _deposit;
         epochPeriod = _epochPeriod;
         challengePeriod = _challengePeriod;
-        fastBridgeSender = _fastBridgeSender;
-        setFxRootTunnel(_fastBridgeSender);
+        safeBridgeSender = _safeBridgeSender;
+        setFxRootTunnel(_safeBridgeSender);
     }
 
     // ************************************** //
@@ -87,7 +87,7 @@ contract FastBridgeReceiverOnPolygon is FxBaseChildTunnel, IFastBridgeReceiver,
     uint256 public immutable deposit; // The deposit required to submit a claim or challenge
     uint256 public immutable override epochPeriod; // Epochs mark the period between potential batches of messages.
     uint256 public immutable override challengePeriod; // Epochs mark the period between potential batches of messages.
-    address public immutable fastBridgeSender; // The address of the Safe Bridge Sender on the connecting chain.
+    address public immutable safeBridgeSender; // The address of the Safe Bridge Sender on the connecting chain.
 
     mapping(uint256 => bytes32) public fastInbox; // epoch => validated batch merkle root(optimistically, or challenged and verified with the safe bridge)
     mapping(uint256 => Claim) public claims; // epoch => claim

contracts/src/FastBridgeSender.sol

@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT
 
 /**
- *  @authors: [@jaybuidl, @shotaronowhere, @adi274]
+ *  @authors: [@jaybuidl, @shotaronowhere]
  *  @reviewers: []
  *  @auditors: []
  *  @bounties: []
@@ -44,7 +44,7 @@ contract FastBridgeSender is IFastBridgeSender, ISafeBridgeSender {
         bytes4 methodSelector = ISafeBridgeReceiver.verifySafeBatch.selector;
         bytes memory safeMessageData = abi.encodeWithSelector(methodSelector, _epoch, batchMerkleRoot);
 
-        bytes32 ticketID = _sendSafe(fastBridgeReceiver, safeMessageData);
+        bytes32 ticketID = _sendSafe(safeBridgeReceiver, safeMessageData);
         emit SentSafe(_epoch, ticketID);
     }
 
@@ -56,11 +56,11 @@ contract FastBridgeSender is IFastBridgeSender, ISafeBridgeSender {
     /**
      * @dev Constructor.
      * @param _epochPeriod The duration between epochs.
-     * @param _fastBridgeReceiver The the Safe Bridge Router on Ethereum to the receiving chain.
+     * @param _safeBridgeReceiver The the Safe Bridge Router on Ethereum to the receiving chain.
      */
-    constructor(uint256 _epochPeriod, address _fastBridgeReceiver) {
+    constructor(uint256 _epochPeriod, address _safeBridgeReceiver) {
         epochPeriod = _epochPeriod;
-        fastBridgeReceiver = _fastBridgeReceiver;
+        safeBridgeReceiver = _safeBridgeReceiver;
         unchecked {
             currentBatchID = block.timestamp / _epochPeriod - 1;
         }
@@ -79,7 +79,7 @@ contract FastBridgeSender is IFastBridgeSender, ISafeBridgeSender {
     uint256 public immutable epochPeriod; // Epochs mark the period between potential batches of messages.
     uint256 public currentBatchID;
     mapping(uint256 => bytes32) public fastOutbox; // epoch count => merkle root of batched messages
-    address public immutable fastBridgeReceiver;
+    address public immutable safeBridgeReceiver;
 
     // merkle tree representation of a batch of messages
     // supports 2^64 messages.

contracts/src/SafeBridgeRouterToGnosis.sol

@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT
 
 /**
- *  @authors: [@shotaronowhere, @jaybuidl, @adi274]
+ *  @authors: [@shotaronowhere, @jaybuidl]
  *  @reviewers: []
  *  @auditors: []
  *  @bounties: []
@@ -25,25 +25,25 @@ contract SafeBridgeRouter is ISafeBridgeRouter {
 
     IInbox public immutable inbox; // The address of the Arbitrum Inbox contract.
     IAMB public immutable amb; // The address of the AMB contract on Ethereum.
-    address public immutable fastBridgeSender; // The address of the Fast Bridge sender on Arbitrum.
+    address public immutable safeBridgeSender; // The address of the Safe Bridge sender on Arbitrum.
     address public immutable fastBridgeReceiverOnGnosisChain; // The address of the Fast Bridge Receiver on Gnosis Chain.
 
     /**
      * @dev Constructor.
      * @param _inbox The address of the inbox contract on Ethereum.
      * @param _amb The address of the AMB contract on Ethereum.
-     * @param _fastBridgeSender The fast bridge sender on Arbitrum.
+     * @param _safeBridgeSender The safe bridge sender on Arbitrum.
      * @param _fastBridgeReceiverOnGnosisChain The fast bridge receiver on Gnosis Chain.
      */
     constructor(
         IInbox _inbox,
         IAMB _amb,
-        address _fastBridgeSender,
+        address _safeBridgeSender,
         address _fastBridgeReceiverOnGnosisChain
     ) {
         inbox = _inbox;
         amb = _amb;
-        fastBridgeSender = _fastBridgeSender;
+        safeBridgeSender = _safeBridgeSender;
         fastBridgeReceiverOnGnosisChain = _fastBridgeReceiverOnGnosisChain;
     }
 
@@ -74,6 +74,6 @@ contract SafeBridgeRouter is ISafeBridgeRouter {
 
     function isSentBySafeBridge() internal view override returns (bool) {
         IOutbox outbox = IOutbox(inbox.bridge().activeOutbox());
-        return outbox.l2ToL1Sender() == fastBridgeSender;
+        return outbox.l2ToL1Sender() == safeBridgeSender;
     }
 }

contracts/src/SafeBridgeRouterToPolygon.sol

@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT
 
 /**
- *  @authors: [@shotaronowhere, @hrishibhat, @jaybuidl, @adi274]
+ *  @authors: [@shotaronowhere, @hrishibhat, @jaybuidl]
  *  @reviewers: []
  *  @auditors: []
  *  @bounties: []
@@ -24,24 +24,24 @@ contract SafeBridgeRouterToPolygon is ISafeBridgeRouter, FxBaseRootTunnel {
     // ************************************* //
 
     IInbox public immutable inbox; // The address of the Arbitrum Inbox contract.
-    address public immutable fastBridgeSender; // The address of the Safe Bridge sender on Arbitrum.
+    address public immutable safeBridgeSender; // The address of the Safe Bridge sender on Arbitrum.
 
     /**
      * @dev Constructor.
      * @param _inbox The address of the inbox contract on Ethereum.
      * @param _fxRoot The address of the fxRoot contract in Ethereum.
-     * @param _fastBridgeSender The safe bridge sender on Arbitrum.
+     * @param _safeBridgeSender The safe bridge sender on Arbitrum.
      * @param _fastBridgeReceiverOnPolygon The fast bridge receiver on Polygon Chain.
      */
     constructor(
         IInbox _inbox,
         address _checkpointManager,
         address _fxRoot,
-        address _fastBridgeSender,
+        address _safeBridgeSender,
         address _fastBridgeReceiverOnPolygon
     ) FxBaseRootTunnel(_checkpointManager, _fxRoot) {
         inbox = _inbox;
-        fastBridgeSender = _fastBridgeSender;
+        safeBridgeSender = _safeBridgeSender;
         setFxChildTunnel(_fastBridgeReceiverOnPolygon);
     }
 
@@ -80,6 +80,6 @@ contract SafeBridgeRouterToPolygon is ISafeBridgeRouter, FxBaseRootTunnel {
 
     function isSentBySafeBridge() internal view override returns (bool) {
         IOutbox outbox = IOutbox(inbox.bridge().activeOutbox());
-        return outbox.l2ToL1Sender() == fastBridgeSender;
+        return outbox.l2ToL1Sender() == safeBridgeSender;
     }
 }

contracts/src/test/FastBridgeReceiverMock.sol

@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT
 
 /**
- *  @authors: [@adi274]
+ *  @authors: [@jaybuidl, @shotaronowhere, @hrishibhat, @adi274]
  *  @reviewers: []
  *  @auditors: []
  *  @bounties: []
@@ -13,23 +13,38 @@ pragma solidity ^0.8.0;
 import "../FastBridgeReceiverOnEthereum.sol";
 
 /**
- * Fast Bridge Receiver
- * Counterpart of `Fast Sender`
+ * Fast Receiver On Ethereum
+ * Counterpart of `FastSenderFromArbitrum`
  */
 contract FastBridgeReceiverOnEthereumMock is FastBridgeReceiverOnEthereum {
     // **************************************** //
-    // *        Hardhat Specific              * //
+    // *                                      * //
+    // *     Ethereum Receiver Specific       * //
+    // *                                      * //
     // **************************************** //
+
+    // ************************************* //
+    // *              Views                * //
+    // ************************************* //
+
     function isSentBySafeBridge() internal view override returns (bool) {
         IOutbox outbox = IOutbox(inbox.bridge().activeOutbox());
-        return outbox.l2ToL1Sender() == fastBridgeSender;
+        return outbox.l2ToL1Sender() == safeBridgeSender;
     }
 
+    /**
+     * @dev Constructor.
+     * @param _deposit The deposit amount to submit a claim in wei.
+     * @param _epochPeriod The duration of each epoch.
+     * @param _challengePeriod The duration of the period allowing to challenge a claim.
+     * @param _safeBridgeSender The address of the Safe Bridge Sender on the connecting chain.
+     * @param _inbox Ethereum receiver specific: The address of the inbox contract on Ethereum.
+     */
     constructor(
         uint256 _deposit,
         uint256 _epochPeriod,
         uint256 _challengePeriod,
-        address _fastBridgeSender,
+        address _safeBridgeSender,
         address _inbox // Ethereum receiver specific
-    ) FastBridgeReceiverOnEthereum(_deposit, _epochPeriod, _challengePeriod, _fastBridgeSender, _inbox) {}
+    ) FastBridgeReceiverOnEthereum(_deposit, _epochPeriod, _challengePeriod, _safeBridgeSender, _inbox) {}
 }

contracts/test/integration/index.ts

@@ -65,13 +65,13 @@ describe("Integration tests", async () => {
     // FastBridgeSender
     expect(await fastBridgeSender.arbSys()).to.equal(arbsysMock.address);
     expect(await fastBridgeSender.epochPeriod()).to.equal(EPOCH_PERIOD);
-    expect(await fastBridgeSender.fastBridgeReceiver()).to.equal(fastBridgeReceiver.address);
+    expect(await fastBridgeSender.safeBridgeReceiver()).to.equal(fastBridgeReceiver.address);
 
     // FastBridgeReceiver
     expect(await fastBridgeReceiver.deposit()).to.equal(ONE_TENTH_ETH);
     expect(await fastBridgeReceiver.epochPeriod()).to.equal(EPOCH_PERIOD);
     expect(await fastBridgeReceiver.challengePeriod()).to.equal(CHALLENGE_PERIOD);
-    expect(await fastBridgeReceiver.fastBridgeSender()).to.equal(fastBridgeSender.address);
+    expect(await fastBridgeReceiver.safeBridgeSender()).to.equal(fastBridgeSender.address);
     expect(await fastBridgeReceiver.inbox()).to.equal(inbox.address);
 
     // ReceiverGateway