Fix issues caused by abi.decode reverting (#3552)

Co-authored-by: Francisco Giordano <frangio.1@gmail.com>
(cherry picked from commit 628a6e2866)

test/utils/cryptography/SignatureChecker.test.js

@@ -4,6 +4,7 @@ const { expect } = require('chai');
 
 const SignatureCheckerMock = artifacts.require('SignatureCheckerMock');
 const ERC1271WalletMock = artifacts.require('ERC1271WalletMock');
+const ERC1271MaliciousMock = artifacts.require('ERC1271MaliciousMock');
 
 const TEST_MESSAGE = web3.utils.sha3('OpenZeppelin');
 const WRONG_MESSAGE = web3.utils.sha3('Nope');
@@ -14,6 +15,7 @@ contract('SignatureChecker (ERC1271)', function (accounts) {
   before('deploying', async function () {
     this.signaturechecker = await SignatureCheckerMock.new();
     this.wallet = await ERC1271WalletMock.new(signer);
+    this.malicious = await ERC1271MaliciousMock.new();
     this.signature = await web3.eth.sign(TEST_MESSAGE, signer);
   });
 
@@ -67,5 +69,13 @@ contract('SignatureChecker (ERC1271)', function (accounts) {
         this.signature,
       )).to.equal(false);
     });
+
+    it('with malicious wallet', async function () {
+      expect(await this.signaturechecker.isValidSignatureNow(
+        this.malicious.address,
+        toEthSignedMessageHash(TEST_MESSAGE),
+        this.signature,
+      )).to.equal(false);
+    });
   });
 });

test/utils/introspection/ERC165Checker.test.js

@@ -4,6 +4,7 @@ const { expect } = require('chai');
 
 const ERC165CheckerMock = artifacts.require('ERC165CheckerMock');
 const ERC165MissingData = artifacts.require('ERC165MissingData');
+const ERC165MaliciousData = artifacts.require('ERC165MaliciousData');
 const ERC165NotSupported = artifacts.require('ERC165NotSupported');
 const ERC165InterfacesSupported = artifacts.require('ERC165InterfacesSupported');
 
@@ -46,6 +47,38 @@ contract('ERC165Checker', function (accounts) {
     });
   });
 
+  context('ERC165 malicious return data', function () {
+    beforeEach(async function () {
+      this.target = await ERC165MaliciousData.new();
+    });
+
+    it('does not support ERC165', async function () {
+      const supported = await this.mock.supportsERC165(this.target.address);
+      expect(supported).to.equal(false);
+    });
+
+    it('does not support mock interface via supportsInterface', async function () {
+      const supported = await this.mock.supportsInterface(this.target.address, DUMMY_ID);
+      expect(supported).to.equal(false);
+    });
+
+    it('does not support mock interface via supportsAllInterfaces', async function () {
+      const supported = await this.mock.supportsAllInterfaces(this.target.address, [DUMMY_ID]);
+      expect(supported).to.equal(false);
+    });
+
+    it('does not support mock interface via getSupportedInterfaces', async function () {
+      const supported = await this.mock.getSupportedInterfaces(this.target.address, [DUMMY_ID]);
+      expect(supported.length).to.equal(1);
+      expect(supported[0]).to.equal(false);
+    });
+
+    it('does not support mock interface via supportsERC165InterfaceUnchecked', async function () {
+      const supported = await this.mock.supportsERC165InterfaceUnchecked(this.target.address, DUMMY_ID);
+      expect(supported).to.equal(true);
+    });
+  });
+
   context('ERC165 not supported', function () {
     beforeEach(async function () {
       this.target = await ERC165NotSupported.new();