Merge pull request #284 from hyperledger-labs/module-erc165

Add ERC-165 to IIBCModule

Signed-off-by: Jun Kimura <jun.kimura@datachain.jp>

Author: bluele

.gas-snapshot

@@ -1,20 +1,20 @@
-IBCMockAppTest:testHandshake() (gas: 4420488)
-IBCMockAppTest:testHandshakeBetweenDifferentPorts() (gas: 3334373)
-IBCMockAppTest:testPacketRelay() (gas: 13935239)
-IBCMockAppTest:testPacketTimeout() (gas: 4284263)
+IBCMockAppTest:testHandshake() (gas: 4420576)
+IBCMockAppTest:testHandshakeBetweenDifferentPorts() (gas: 3339589)
+IBCMockAppTest:testPacketRelay() (gas: 13935831)
+IBCMockAppTest:testPacketTimeout() (gas: 4284259)
 IBCTest:testBenchmarkCreateMockClient() (gas: 233366)
 IBCTest:testBenchmarkLCUpdateMockClient() (gas: 62005)
-IBCTest:testBenchmarkRecvPacket() (gas: 158870)
+IBCTest:testBenchmarkRecvPacket() (gas: 158888)
 IBCTest:testBenchmarkSendPacket() (gas: 128432)
 IBCTest:testBenchmarkUpdateMockClient() (gas: 160229)
 IBCTest:testToUint128((uint64,uint64)) (runs: 256, μ: 947, ~: 947)
-TestICS02:testCreateClient() (gas: 36576736)
-TestICS02:testInvalidCreateClient() (gas: 36473955)
-TestICS02:testInvalidUpdateClient() (gas: 36472863)
-TestICS02:testRegisterClient() (gas: 36128529)
-TestICS02:testRegisterClientDuplicatedClientType() (gas: 36113838)
-TestICS02:testRegisterClientInvalidClientType() (gas: 36143299)
-TestICS02:testUpdateClient() (gas: 36641063)
+TestICS02:testCreateClient() (gas: 36633805)
+TestICS02:testInvalidCreateClient() (gas: 36530922)
+TestICS02:testInvalidUpdateClient() (gas: 36529932)
+TestICS02:testRegisterClient() (gas: 36185598)
+TestICS02:testRegisterClientDuplicatedClientType() (gas: 36170907)
+TestICS02:testRegisterClientInvalidClientType() (gas: 36200368)
+TestICS02:testUpdateClient() (gas: 36698132)
 TestICS03Handshake:testConnOpenAck() (gas: 1858230)
 TestICS03Handshake:testConnOpenConfirm() (gas: 2054143)
 TestICS03Handshake:testConnOpenInit() (gas: 1429838)
@@ -29,43 +29,44 @@ TestICS03Version:testIsSupportedVersion() (gas: 7864)
 TestICS03Version:testPickVersion() (gas: 25327)
 TestICS03Version:testVerifyProposedVersion() (gas: 11777)
 TestICS03Version:testVerifySupportedFeature() (gas: 4153)
-TestICS04Handshake:testBindPort() (gas: 124350)
-TestICS04Handshake:testChanClose() (gas: 12973854)
-TestICS04Handshake:testChanOpenAck() (gas: 3459404)
-TestICS04Handshake:testChanOpenConfirm() (gas: 3770673)
-TestICS04Handshake:testChanOpenInit() (gas: 2543524)
-TestICS04Handshake:testChanOpenTry() (gas: 3099898)
-TestICS04Handshake:testInvalidChanOpenAck() (gas: 2439749)
-TestICS04Handshake:testInvalidChanOpenConfirm() (gas: 2517338)
+TestICS04Handshake:testBindPort() (gas: 458549)
+TestICS04Handshake:testChanClose() (gas: 12973942)
+TestICS04Handshake:testChanOpenAck() (gas: 3459492)
+TestICS04Handshake:testChanOpenConfirm() (gas: 3770761)
+TestICS04Handshake:testChanOpenInit() (gas: 2543590)
+TestICS04Handshake:testChanOpenTry() (gas: 3099942)
+TestICS04Handshake:testInvalidChanOpenAck() (gas: 2439771)
+TestICS04Handshake:testInvalidChanOpenConfirm() (gas: 2517382)
 TestICS04Handshake:testInvalidChanOpenInit() (gas: 1760558)
 TestICS04Handshake:testInvalidChanOpenTry() (gas: 1775528)
-TestICS04Packet:testAcknowledgementPacket() (gas: 3351116)
-TestICS04Packet:testInvalidSendPacket() (gas: 3579083)
-TestICS04Packet:testRecvPacket() (gas: 11006942)
-TestICS04Packet:testRecvPacketTimeoutHeight() (gas: 3259727)
-TestICS04Packet:testRecvPacketTimeoutTimestamp() (gas: 3284103)
-TestICS04Packet:testSendPacket() (gas: 6412442)
-TestICS04Packet:testTimeoutOnClose() (gas: 3553289)
-TestICS04Upgrade:testUpgradeAuthorityCancel() (gas: 46744545)
-TestICS04Upgrade:testUpgradeCannotCancelWithOldErrorReceipt() (gas: 3456630)
-TestICS04Upgrade:testUpgradeCannotRecvNextUpgradePacket() (gas: 5265976)
-TestICS04Upgrade:testUpgradeCounterpartyAdvanceNextSequenceBeforeOpen() (gas: 5236229)
-TestICS04Upgrade:testUpgradeCrossingHelloIncompatibleProposals() (gas: 4996384)
-TestICS04Upgrade:testUpgradeFull() (gas: 56608897)
-TestICS04Upgrade:testUpgradeInit() (gas: 3071908)
-TestICS04Upgrade:testUpgradeNoChanges() (gas: 2471936)
-TestICS04Upgrade:testUpgradeOutOfSync() (gas: 3904992)
-TestICS04Upgrade:testUpgradeRelaySuccessAtCounterpartyFlushComplete() (gas: 5237741)
-TestICS04Upgrade:testUpgradeRelaySuccessAtFlushing() (gas: 5610928)
-TestICS04Upgrade:testUpgradeSendPacketFailAtFlushingOrFlushComplete() (gas: 4070996)
-TestICS04Upgrade:testUpgradeTimeoutAbortAck() (gas: 17693913)
-TestICS04Upgrade:testUpgradeTimeoutAbortConfirm() (gas: 21333170)
-TestICS04Upgrade:testUpgradeTimeoutUpgrade() (gas: 71048576)
-TestICS04Upgrade:testUpgradeToOrdered() (gas: 56509239)
-TestICS04Upgrade:testUpgradeToUnordered() (gas: 45113597)
+TestICS04Packet:testAcknowledgementPacket() (gas: 3351204)
+TestICS04Packet:testInvalidSendPacket() (gas: 3579171)
+TestICS04Packet:testRecvPacket() (gas: 11007558)
+TestICS04Packet:testRecvPacketTimeoutHeight() (gas: 3259769)
+TestICS04Packet:testRecvPacketTimeoutTimestamp() (gas: 3284145)
+TestICS04Packet:testSendPacket() (gas: 6411842)
+TestICS04Packet:testTimeoutOnClose() (gas: 3553375)
+TestICS04Upgrade:testUpgradeAuthorityCancel() (gas: 46723464)
+TestICS04Upgrade:testUpgradeCannotCancelWithOldErrorReceipt() (gas: 3458838)
+TestICS04Upgrade:testUpgradeCannotRecvNextUpgradePacket() (gas: 5259191)
+TestICS04Upgrade:testUpgradeCounterpartyAdvanceNextSequenceBeforeOpen() (gas: 5230069)
+TestICS04Upgrade:testUpgradeCrossingHelloIncompatibleProposals() (gas: 5068281)
+TestICS04Upgrade:testUpgradeFull() (gas: 56559261)
+TestICS04Upgrade:testUpgradeInit() (gas: 3074224)
+TestICS04Upgrade:testUpgradeNoChanges() (gas: 2473090)
+TestICS04Upgrade:testUpgradeNotUpgradableModule() (gas: 3648610)
+TestICS04Upgrade:testUpgradeOutOfSync() (gas: 3905908)
+TestICS04Upgrade:testUpgradeRelaySuccessAtCounterpartyFlushComplete() (gas: 5230956)
+TestICS04Upgrade:testUpgradeRelaySuccessAtFlushing() (gas: 5604165)
+TestICS04Upgrade:testUpgradeSendPacketFailAtFlushingOrFlushComplete() (gas: 4069212)
+TestICS04Upgrade:testUpgradeTimeoutAbortAck() (gas: 17708385)
+TestICS04Upgrade:testUpgradeTimeoutAbortConfirm() (gas: 21315818)
+TestICS04Upgrade:testUpgradeTimeoutUpgrade() (gas: 70973805)
+TestICS04Upgrade:testUpgradeToOrdered() (gas: 56461648)
+TestICS04Upgrade:testUpgradeToUnordered() (gas: 45074517)
 TestICS04UpgradeApp:testUpgradeAuthorizationChanneNotFound() (gas: 61690)
-TestICS04UpgradeApp:testUpgradeAuthorizationRePropose() (gas: 2565532)
-TestICS04UpgradeApp:testUpgradeAuthorizationRemove() (gas: 2475992)
+TestICS04UpgradeApp:testUpgradeAuthorizationRePropose() (gas: 2565379)
+TestICS04UpgradeApp:testUpgradeAuthorizationRemove() (gas: 2475938)
 TestICS20:testAddressToHex(address) (runs: 256, μ: 22668, ~: 22804)
 TestICS20:testHexToAddress(string) (runs: 256, μ: 4776, ~: 4734)
 TestICS20:testIsEscapedString() (gas: 48979)

contracts/apps/commons/IBCAppBase.sol

@@ -1,12 +1,13 @@
 // SPDX-License-Identifier: Apache-2.0
 pragma solidity ^0.8.20;
 
+import {IERC165} from "@openzeppelin/contracts/utils/introspection/IERC165.sol";
 import {Context} from "@openzeppelin/contracts/utils/Context.sol";
 import {Packet} from "../../core/04-channel/IIBCChannel.sol";
 import {IIBCModule} from "../../core/26-router/IIBCModule.sol";
 import {IIBCModuleErrors} from "../../core/26-router/IIBCModuleErrors.sol";
 
-abstract contract AppBase is Context, IIBCModuleErrors {
+abstract contract AppBase is IERC165, Context, IIBCModuleErrors {
     /**
      * @dev Throws if called by any account other than the IBC contract.
      */
@@ -28,14 +29,24 @@ abstract contract AppBase is Context, IIBCModuleErrors {
             revert IBCModuleInvalidSender(_msgSender());
         }
     }
+
+    /**
+     * @dev Returns true if this contract implements the interface defined by
+     * `interfaceId`. See the corresponding
+     * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[ERC section]
+     * to learn more about how these ids are created.
+     */
+    function supportsInterface(bytes4 interfaceId) public view virtual returns (bool) {
+        return interfaceId == type(IERC165).interfaceId || interfaceId == this.ibcAddress.selector;
+    }
 }
 
 /**
  * @dev Base contract of the IBC App protocol
  */
 abstract contract IBCAppBase is AppBase, IIBCModule {
     /**
-     * @dev See IIBCModule-onChanOpenInit
+     * @dev See {IIBCModule-onChanOpenInit}
      *
      * NOTE: You should apply an `onlyIBC` modifier to the function if a derived contract overrides it.
      */
@@ -48,7 +59,7 @@ abstract contract IBCAppBase is AppBase, IIBCModule {
     {}
 
     /**
-     * @dev See IIBCModule-onChanOpenTry
+     * @dev See {IIBCModule-onChanOpenTry}
      *
      * NOTE: You should apply an `onlyIBC` modifier to the function if a derived contract overrides it.
      */
@@ -61,35 +72,35 @@ abstract contract IBCAppBase is AppBase, IIBCModule {
     {}
 
     /**
-     * @dev See IIBCModule-onChanOpenAck
+     * @dev See {IIBCModule-onChanOpenAck}
      *
      * NOTE: You should apply an `onlyIBC` modifier to the function if a derived contract overrides it.
      */
     function onChanOpenAck(IIBCModule.MsgOnChanOpenAck calldata) external virtual override onlyIBC {}
 
     /**
-     * @dev See IIBCModule-onChanOpenConfirm
+     * @dev See {IIBCModule-onChanOpenConfirm}
      *
      * NOTE: You should apply an `onlyIBC` modifier to the function if a derived contract overrides it.
      */
     function onChanOpenConfirm(IIBCModule.MsgOnChanOpenConfirm calldata) external virtual override onlyIBC {}
 
     /**
-     * @dev See IIBCModule-onChanCloseInit
+     * @dev See {IIBCModule-onChanCloseInit}
      *
      * NOTE: You should apply an `onlyIBC` modifier to the function if a derived contract overrides it.
      */
     function onChanCloseInit(IIBCModule.MsgOnChanCloseInit calldata) external virtual override onlyIBC {}
 
     /**
-     * @dev See IIBCModule-onChanCloseConfirm
+     * @dev See {IIBCModule-onChanCloseConfirm}
      *
      * NOTE: You should apply an `onlyIBC` modifier to the function if a derived contract overrides it.
      */
     function onChanCloseConfirm(IIBCModule.MsgOnChanCloseConfirm calldata) external virtual override onlyIBC {}
 
     /**
-     * @dev See IIBCModule-onRecvPacket
+     * @dev See {IIBCModule-onRecvPacket}
      *
      * NOTE: You should apply an `onlyIBC` modifier to the function if a derived contract overrides it.
      */
@@ -102,16 +113,25 @@ abstract contract IBCAppBase is AppBase, IIBCModule {
     {}
 
     /**
-     * @dev See IIBCModule-onAcknowledgementPacket
+     * @dev See {IIBCModule-onAcknowledgementPacket}
      *
      * NOTE: You should apply an `onlyIBC` modifier to the function if a derived contract overrides it.
      */
     function onAcknowledgementPacket(Packet calldata, bytes calldata, address) external virtual override onlyIBC {}
 
     /**
-     * @dev See IIBCModule-onTimeoutPacket
+     * @dev See {IIBCModule-onTimeoutPacket}
      *
      * NOTE: You should apply an `onlyIBC` modifier to the function if a derived contract overrides it.
      */
-    function onTimeoutPacket(Packet calldata, address relayer) external virtual onlyIBC {}
+    function onTimeoutPacket(Packet calldata, address relayer) external virtual override onlyIBC {}
+
+    /**
+     * @dev See {IERC165-supportsInterface}
+     *
+     * NOTE: This must return true if the `interfaceId` is equal to the `IIBCModule` interface.
+     */
+    function supportsInterface(bytes4 interfaceId) public view virtual override(IERC165, AppBase) returns (bool) {
+        return interfaceId == type(IIBCModule).interfaceId || super.supportsInterface(interfaceId);
+    }
 }