Rename IRMNV2 => IRMNRemote (#1484)

## Motivation
IRMNRemote is a better name

## Solution
Rename to `IRMNRemote`

contracts/src/v0.8/ccip/interfaces/IRMNV2.sol → contracts/src/v0.8/ccip/interfaces/IRMNRemote.sol

@@ -4,7 +4,7 @@ pragma solidity ^0.8.4;
 import {Internal} from "../libraries/Internal.sol";
 
 /// @notice This interface contains the only RMN-related functions that might be used on-chain by other CCIP contracts.
-interface IRMNV2 {
+interface IRMNRemote {
   /// @notice signature components from RMN nodes
   struct Signature {
     bytes32 r;

contracts/src/v0.8/ccip/offRamp/OffRamp.sol

@@ -7,7 +7,7 @@ import {IFeeQuoter} from "../interfaces/IFeeQuoter.sol";
 import {IMessageInterceptor} from "../interfaces/IMessageInterceptor.sol";
 import {INonceManager} from "../interfaces/INonceManager.sol";
 import {IPoolV1} from "../interfaces/IPool.sol";
-import {IRMNV2} from "../interfaces/IRMNV2.sol";
+import {IRMNRemote} from "../interfaces/IRMNRemote.sol";
 import {IRouter} from "../interfaces/IRouter.sol";
 import {ITokenAdminRegistry} from "../interfaces/ITokenAdminRegistry.sol";
 
@@ -95,7 +95,7 @@ contract OffRamp is ITypeAndVersion, MultiOCR3Base {
   // solhint-disable-next-line gas-struct-packing
   struct StaticConfig {
     uint64 chainSelector; // ───╮  Destination chainSelector
-    IRMNV2 rmn; // ─────────────╯  RMN Verification Contract
+    IRMNRemote rmnRemote; // ───╯  RMN Verification Contract
     address tokenAdminRegistry; // Token admin registry address
     address nonceManager; // Nonce manager address
   }
@@ -130,7 +130,7 @@ contract OffRamp is ITypeAndVersion, MultiOCR3Base {
   struct CommitReport {
     Internal.PriceUpdates priceUpdates; // Collection of gas and price updates to commit
     Internal.MerkleRoot[] merkleRoots; // Collection of merkle roots per source chain to commit
-    IRMNV2.Signature[] rmnSignatures; // RMN signatures on the merkle roots
+    IRMNRemote.Signature[] rmnSignatures; // RMN signatures on the merkle roots
     uint256 rmnRawVs; // Raw v values of the RMN signatures
   }
 
@@ -147,7 +147,7 @@ contract OffRamp is ITypeAndVersion, MultiOCR3Base {
   /// @dev ChainSelector of this chain
   uint64 internal immutable i_chainSelector;
   /// @dev The RMN verification contract
-  IRMNV2 internal immutable i_rmn;
+  IRMNRemote internal immutable i_rmnRemote;
   /// @dev The address of the token admin registry
   address internal immutable i_tokenAdminRegistry;
   /// @dev The address of the nonce manager
@@ -178,7 +178,7 @@ contract OffRamp is ITypeAndVersion, MultiOCR3Base {
     SourceChainConfigArgs[] memory sourceChainConfigs
   ) MultiOCR3Base() {
     if (
-      address(staticConfig.rmn) == address(0) || staticConfig.tokenAdminRegistry == address(0)
+      address(staticConfig.rmnRemote) == address(0) || staticConfig.tokenAdminRegistry == address(0)
         || staticConfig.nonceManager == address(0)
     ) {
       revert ZeroAddressNotAllowed();
@@ -189,7 +189,7 @@ contract OffRamp is ITypeAndVersion, MultiOCR3Base {
     }
 
     i_chainSelector = staticConfig.chainSelector;
-    i_rmn = staticConfig.rmn;
+    i_rmnRemote = staticConfig.rmnRemote;
     i_tokenAdminRegistry = staticConfig.tokenAdminRegistry;
     i_nonceManager = staticConfig.nonceManager;
     emit StaticConfigSet(staticConfig);
@@ -357,7 +357,7 @@ contract OffRamp is ITypeAndVersion, MultiOCR3Base {
   ) internal {
     uint64 sourceChainSelector = report.sourceChainSelector;
     bool manualExecution = manualExecGasExecOverrides.length != 0;
-    if (i_rmn.isCursed(bytes16(uint128(sourceChainSelector)))) {
+    if (i_rmnRemote.isCursed(bytes16(uint128(sourceChainSelector)))) {
       if (manualExecution) {
         // For manual execution we don't want to silently fail so we revert
         revert CursedByRMN(sourceChainSelector);
@@ -785,7 +785,7 @@ contract OffRamp is ITypeAndVersion, MultiOCR3Base {
 
     // Verify RMN signatures
     if (commitReport.merkleRoots.length > 0) {
-      i_rmn.verify(address(this), commitReport.merkleRoots, commitReport.rmnSignatures, commitReport.rmnRawVs);
+      i_rmnRemote.verify(address(this), commitReport.merkleRoots, commitReport.rmnSignatures, commitReport.rmnRawVs);
     }
 
     // Check if the report contains price updates
@@ -811,7 +811,7 @@ contract OffRamp is ITypeAndVersion, MultiOCR3Base {
       Internal.MerkleRoot memory root = commitReport.merkleRoots[i];
       uint64 sourceChainSelector = root.sourceChainSelector;
 
-      if (i_rmn.isCursed(bytes16(uint128(sourceChainSelector)))) {
+      if (i_rmnRemote.isCursed(bytes16(uint128(sourceChainSelector)))) {
         revert CursedByRMN(sourceChainSelector);
       }
 
@@ -900,7 +900,7 @@ contract OffRamp is ITypeAndVersion, MultiOCR3Base {
   function getStaticConfig() external view returns (StaticConfig memory) {
     return StaticConfig({
       chainSelector: i_chainSelector,
-      rmn: i_rmn,
+      rmnRemote: i_rmnRemote,
       tokenAdminRegistry: i_tokenAdminRegistry,
       nonceManager: i_nonceManager
     });

contracts/src/v0.8/ccip/onRamp/OnRamp.sol

@@ -7,7 +7,7 @@ import {IFeeQuoter} from "../interfaces/IFeeQuoter.sol";
 import {IMessageInterceptor} from "../interfaces/IMessageInterceptor.sol";
 import {INonceManager} from "../interfaces/INonceManager.sol";
 import {IPoolV1} from "../interfaces/IPool.sol";
-import {IRMNV2} from "../interfaces/IRMNV2.sol";
+import {IRMNRemote} from "../interfaces/IRMNRemote.sol";
 import {IRouter} from "../interfaces/IRouter.sol";
 import {ITokenAdminRegistry} from "../interfaces/ITokenAdminRegistry.sol";
 
@@ -60,7 +60,7 @@ contract OnRamp is IEVM2AnyOnRampClient, ITypeAndVersion, OwnerIsCreator {
   // solhint-disable-next-line gas-struct-packing
   struct StaticConfig {
     uint64 chainSelector; // ─────╮ Source chain selector
-    IRMNV2 rmn; // ───────────────╯ RMN remote address
+    IRMNRemote rmnRemote; // ─────╯ RMN remote address
     address nonceManager; // Nonce manager address
     address tokenAdminRegistry; // Token admin registry address
   }
@@ -113,7 +113,7 @@ contract OnRamp is IEVM2AnyOnRampClient, ITypeAndVersion, OwnerIsCreator {
   /// @dev The chain ID of the source chain that this contract is deployed to
   uint64 private immutable i_chainSelector;
   /// @dev The rmn contract
-  IRMNV2 private immutable i_rmn;
+  IRMNRemote private immutable i_rmnRemote;
   /// @dev The address of the nonce manager
   address private immutable i_nonceManager;
   /// @dev The address of the token admin registry
@@ -132,14 +132,14 @@ contract OnRamp is IEVM2AnyOnRampClient, ITypeAndVersion, OwnerIsCreator {
     DestChainConfigArgs[] memory destChainConfigArgs
   ) {
     if (
-      staticConfig.chainSelector == 0 || address(staticConfig.rmn) == address(0)
+      staticConfig.chainSelector == 0 || address(staticConfig.rmnRemote) == address(0)
         || staticConfig.nonceManager == address(0) || staticConfig.tokenAdminRegistry == address(0)
     ) {
       revert InvalidConfig();
     }
 
     i_chainSelector = staticConfig.chainSelector;
-    i_rmn = staticConfig.rmn;
+    i_rmnRemote = staticConfig.rmnRemote;
     i_nonceManager = staticConfig.nonceManager;
     i_tokenAdminRegistry = staticConfig.tokenAdminRegistry;
 
@@ -314,7 +314,7 @@ contract OnRamp is IEVM2AnyOnRampClient, ITypeAndVersion, OwnerIsCreator {
   function getStaticConfig() external view returns (StaticConfig memory) {
     return StaticConfig({
       chainSelector: i_chainSelector,
-      rmn: i_rmn,
+      rmnRemote: i_rmnRemote,
       nonceManager: i_nonceManager,
       tokenAdminRegistry: i_tokenAdminRegistry
     });
@@ -351,7 +351,7 @@ contract OnRamp is IEVM2AnyOnRampClient, ITypeAndVersion, OwnerIsCreator {
     emit ConfigSet(
       StaticConfig({
         chainSelector: i_chainSelector,
-        rmn: i_rmn,
+        rmnRemote: i_rmnRemote,
         nonceManager: i_nonceManager,
         tokenAdminRegistry: i_tokenAdminRegistry
       }),
@@ -481,7 +481,7 @@ contract OnRamp is IEVM2AnyOnRampClient, ITypeAndVersion, OwnerIsCreator {
     uint64 destChainSelector,
     Client.EVM2AnyMessage calldata message
   ) external view returns (uint256 feeTokenAmount) {
-    if (i_rmn.isCursed(bytes16(uint128(destChainSelector)))) revert CursedByRMN(destChainSelector);
+    if (i_rmnRemote.isCursed(bytes16(uint128(destChainSelector)))) revert CursedByRMN(destChainSelector);
 
     return IFeeQuoter(s_dynamicConfig.feeQuoter).getValidatedFee(destChainSelector, message);
   }

contracts/src/v0.8/ccip/rmn/RMNRemote.sol

@@ -2,7 +2,7 @@
 pragma solidity 0.8.24;
 
 import {ITypeAndVersion} from "../../shared/interfaces/ITypeAndVersion.sol";
-import {IRMNV2} from "../interfaces/IRMNV2.sol";
+import {IRMNRemote} from "../interfaces/IRMNRemote.sol";
 
 import {OwnerIsCreator} from "../../shared/access/OwnerIsCreator.sol";
 import {EnumerableSet} from "../../shared/enumerable/EnumerableSetWithBytes16.sol";
@@ -19,7 +19,7 @@ bytes16 constant LEGACY_CURSE_SUBJECT = 0x01000000000000000000000000000000;
 bytes16 constant GLOBAL_CURSE_SUBJECT = 0x01000000000000000000000000000001;
 
 /// @notice This contract supports verification of RMN reports for any Any2EVM OffRamp.
-contract RMNRemote is OwnerIsCreator, ITypeAndVersion, IRMNV2 {
+contract RMNRemote is OwnerIsCreator, ITypeAndVersion, IRMNRemote {
   using EnumerableSet for EnumerableSet.Bytes16Set;
 
   error AlreadyCursed(bytes16 subject);
@@ -85,7 +85,7 @@ contract RMNRemote is OwnerIsCreator, ITypeAndVersion, IRMNV2 {
   // │                         Verification                         │
   // ================================================================
 
-  /// @inheritdoc IRMNV2
+  /// @inheritdoc IRMNRemote
   function verify(
     address offrampAddress,
     Internal.MerkleRoot[] calldata merkleRoots,
@@ -224,20 +224,20 @@ contract RMNRemote is OwnerIsCreator, ITypeAndVersion, IRMNV2 {
     emit Uncursed(subjects);
   }
 
-  /// @inheritdoc IRMNV2
+  /// @inheritdoc IRMNRemote
   function getCursedSubjects() external view returns (bytes16[] memory subjects) {
     return s_cursedSubjects.values();
   }
 
-  /// @inheritdoc IRMNV2
+  /// @inheritdoc IRMNRemote
   function isCursed() external view returns (bool) {
     if (s_cursedSubjects.length() == 0) {
       return false;
     }
     return s_cursedSubjects.contains(LEGACY_CURSE_SUBJECT) || s_cursedSubjects.contains(GLOBAL_CURSE_SUBJECT);
   }
 
-  /// @inheritdoc IRMNV2
+  /// @inheritdoc IRMNRemote
   function isCursed(bytes16 subject) external view returns (bool) {
     if (s_cursedSubjects.length() == 0) {
       return false;

contracts/src/v0.8/ccip/test/BaseTest.t.sol

@@ -4,7 +4,7 @@ pragma solidity 0.8.24;
 // Imports to any non-library are not allowed due to the significant cascading
 // compile time increase they cause when imported into this base test.
 
-import {IRMNV2} from "../interfaces/IRMNV2.sol";
+import {IRMNRemote} from "../interfaces/IRMNRemote.sol";
 import {Internal} from "../libraries/Internal.sol";
 import {RateLimiter} from "../libraries/RateLimiter.sol";
 import {MockRMN} from "./mocks/MockRMN.sol";
@@ -71,7 +71,7 @@ contract BaseTest is Test {
   address internal constant ADMIN = 0x11118e64e1FB0c487f25dD6D3601FF6aF8d32E4e;
 
   MockRMN internal s_mockRMN;
-  IRMNV2 internal s_mockRMNRemote;
+  IRMNRemote internal s_mockRMNRemote;
 
   // nonce for pseudo-random number generation, not to be exposed to test suites
   uint256 private randNonce;
@@ -92,9 +92,9 @@ contract BaseTest is Test {
 
     // setup mock RMN & RMNRemote
     s_mockRMN = new MockRMN();
-    s_mockRMNRemote = IRMNV2(makeAddr("MOCK RMN REMOTE"));
+    s_mockRMNRemote = IRMNRemote(makeAddr("MOCK RMN REMOTE"));
     vm.etch(address(s_mockRMNRemote), bytes("fake bytecode"));
-    vm.mockCall(address(s_mockRMNRemote), abi.encodeWithSelector(IRMNV2.verify.selector), bytes(""));
+    vm.mockCall(address(s_mockRMNRemote), abi.encodeWithSelector(IRMNRemote.verify.selector), bytes(""));
     _setMockRMNGlobalCurse(false);
     vm.mockCall(address(s_mockRMNRemote), abi.encodeWithSignature("isCursed(bytes16)"), abi.encode(false)); // no curses by defaule
   }

contracts/src/v0.8/ccip/test/e2e/MultiRampsEnd2End.t.sol

@@ -5,7 +5,7 @@ import {IRMN} from "../../interfaces/IRMN.sol";
 
 import {AuthorizedCallers} from "../../../shared/access/AuthorizedCallers.sol";
 import {NonceManager} from "../../NonceManager.sol";
-import {IRMNV2} from "../../interfaces/IRMNV2.sol";
+import {IRMNRemote} from "../../interfaces/IRMNRemote.sol";
 import {LockReleaseTokenPool} from "../../pools/LockReleaseTokenPool.sol";
 import {TokenAdminRegistry} from "../../tokenAdminRegistry/TokenAdminRegistry.sol";
 import "../helpers/MerkleHelper.sol";
@@ -150,7 +150,7 @@ contract MultiRampsE2E is OnRampSetup, OffRampSetup {
       merkleRoots[1] = MerkleHelper.getMerkleRoot(hashedMessages2);
 
       // TODO make these real sigs :)
-      IRMNV2.Signature[] memory rmnSignatures = new IRMNV2.Signature[](0);
+      IRMNRemote.Signature[] memory rmnSignatures = new IRMNRemote.Signature[](0);
 
       Internal.MerkleRoot[] memory roots = new Internal.MerkleRoot[](2);
       roots[0] = Internal.MerkleRoot({

contracts/src/v0.8/ccip/test/offRamp/OffRamp.t.sol

@@ -3,7 +3,7 @@ pragma solidity 0.8.24;
 
 import {IFeeQuoter} from "../../interfaces/IFeeQuoter.sol";
 import {IMessageInterceptor} from "../../interfaces/IMessageInterceptor.sol";
-import {IRMNV2} from "../../interfaces/IRMNV2.sol";
+import {IRMNRemote} from "../../interfaces/IRMNRemote.sol";
 import {IRouter} from "../../interfaces/IRouter.sol";
 import {ITokenAdminRegistry} from "../../interfaces/ITokenAdminRegistry.sol";
 
@@ -33,7 +33,7 @@ contract OffRamp_constructor is OffRampSetup {
   function test_Constructor_Success() public {
     OffRamp.StaticConfig memory staticConfig = OffRamp.StaticConfig({
       chainSelector: DEST_CHAIN_SELECTOR,
-      rmn: s_mockRMNRemote,
+      rmnRemote: s_mockRMNRemote,
       tokenAdminRegistry: address(s_tokenAdminRegistry),
       nonceManager: address(s_inboundNonceManager)
     });
@@ -102,7 +102,7 @@ contract OffRamp_constructor is OffRampSetup {
     // Static config
     OffRamp.StaticConfig memory gotStaticConfig = s_offRamp.getStaticConfig();
     assertEq(staticConfig.chainSelector, gotStaticConfig.chainSelector);
-    assertEq(address(staticConfig.rmn), address(gotStaticConfig.rmn));
+    assertEq(address(staticConfig.rmnRemote), address(gotStaticConfig.rmnRemote));
     assertEq(staticConfig.tokenAdminRegistry, gotStaticConfig.tokenAdminRegistry);
 
     // Dynamic config
@@ -154,7 +154,7 @@ contract OffRamp_constructor is OffRampSetup {
     s_offRamp = new OffRampHelper(
       OffRamp.StaticConfig({
         chainSelector: DEST_CHAIN_SELECTOR,
-        rmn: s_mockRMNRemote,
+        rmnRemote: s_mockRMNRemote,
         tokenAdminRegistry: address(s_tokenAdminRegistry),
         nonceManager: address(s_inboundNonceManager)
       }),
@@ -180,7 +180,7 @@ contract OffRamp_constructor is OffRampSetup {
     s_offRamp = new OffRampHelper(
       OffRamp.StaticConfig({
         chainSelector: DEST_CHAIN_SELECTOR,
-        rmn: s_mockRMNRemote,
+        rmnRemote: s_mockRMNRemote,
         tokenAdminRegistry: address(s_tokenAdminRegistry),
         nonceManager: address(s_inboundNonceManager)
       }),
@@ -200,7 +200,7 @@ contract OffRamp_constructor is OffRampSetup {
     s_offRamp = new OffRampHelper(
       OffRamp.StaticConfig({
         chainSelector: DEST_CHAIN_SELECTOR,
-        rmn: IRMNV2(ZERO_ADDRESS),
+        rmnRemote: IRMNRemote(ZERO_ADDRESS),
         tokenAdminRegistry: address(s_tokenAdminRegistry),
         nonceManager: address(s_inboundNonceManager)
       }),
@@ -220,7 +220,7 @@ contract OffRamp_constructor is OffRampSetup {
     s_offRamp = new OffRampHelper(
       OffRamp.StaticConfig({
         chainSelector: 0,
-        rmn: s_mockRMNRemote,
+        rmnRemote: s_mockRMNRemote,
         tokenAdminRegistry: address(s_tokenAdminRegistry),
         nonceManager: address(s_inboundNonceManager)
       }),
@@ -240,7 +240,7 @@ contract OffRamp_constructor is OffRampSetup {
     s_offRamp = new OffRampHelper(
       OffRamp.StaticConfig({
         chainSelector: DEST_CHAIN_SELECTOR,
-        rmn: s_mockRMNRemote,
+        rmnRemote: s_mockRMNRemote,
         tokenAdminRegistry: ZERO_ADDRESS,
         nonceManager: address(s_inboundNonceManager)
       }),
@@ -260,7 +260,7 @@ contract OffRamp_constructor is OffRampSetup {
     s_offRamp = new OffRampHelper(
       OffRamp.StaticConfig({
         chainSelector: DEST_CHAIN_SELECTOR,
-        rmn: s_mockRMNRemote,
+        rmnRemote: s_mockRMNRemote,
         tokenAdminRegistry: address(s_tokenAdminRegistry),
         nonceManager: ZERO_ADDRESS
       }),
@@ -3367,7 +3367,7 @@ contract OffRamp_commit is OffRampSetup {
 
   function test_OnlyTokenPriceUpdates_Success() public {
     // force RMN verification to fail
-    vm.mockCallRevert(address(s_mockRMNRemote), abi.encodeWithSelector(IRMNV2.verify.selector), bytes(""));
+    vm.mockCallRevert(address(s_mockRMNRemote), abi.encodeWithSelector(IRMNRemote.verify.selector), bytes(""));
 
     Internal.MerkleRoot[] memory roots = new Internal.MerkleRoot[](0);
     OffRamp.CommitReport memory commitReport = OffRamp.CommitReport({
@@ -3390,7 +3390,7 @@ contract OffRamp_commit is OffRampSetup {
 
   function test_OnlyGasPriceUpdates_Success() public {
     // force RMN verification to fail
-    vm.mockCallRevert(address(s_mockRMNRemote), abi.encodeWithSelector(IRMNV2.verify.selector), bytes(""));
+    vm.mockCallRevert(address(s_mockRMNRemote), abi.encodeWithSelector(IRMNRemote.verify.selector), bytes(""));
 
     Internal.MerkleRoot[] memory roots = new Internal.MerkleRoot[](0);
     OffRamp.CommitReport memory commitReport = OffRamp.CommitReport({
@@ -3561,7 +3561,7 @@ contract OffRamp_commit is OffRampSetup {
 
   function test_FailedRMNVerification_Reverts() public {
     // force RMN verification to fail
-    vm.mockCallRevert(address(s_mockRMNRemote), abi.encodeWithSelector(IRMNV2.verify.selector), bytes(""));
+    vm.mockCallRevert(address(s_mockRMNRemote), abi.encodeWithSelector(IRMNRemote.verify.selector), bytes(""));
 
     OffRamp.CommitReport memory commitReport = _constructCommitReport();
     vm.expectRevert();
@@ -3769,7 +3769,7 @@ contract OffRamp_afterOC3ConfigSet is OffRampSetup {
     s_offRamp = new OffRampHelper(
       OffRamp.StaticConfig({
         chainSelector: DEST_CHAIN_SELECTOR,
-        rmn: s_mockRMNRemote,
+        rmnRemote: s_mockRMNRemote,
         tokenAdminRegistry: address(s_tokenAdminRegistry),
         nonceManager: address(s_inboundNonceManager)
       }),