fix dereference error

Author: RenanSouza2

packages/hardhat-chai-matchers/src/internal/addressable.ts

@@ -1,4 +1,5 @@
-import { isAddress, isAddressable, Typed } from "ethers";
+import { isAddress, isAddressable } from "ethers";
+import { tryDereference } from "./typed";
 
 export function supportAddressable(
   Assertion: Chai.AssertionStatic,
@@ -26,7 +27,7 @@ function override(
 // so we are looking for a sync way of getting the address. If an address was recovered, it is returned as a string,
 // otherwise undefined is returned.
 function tryGetAddressSync(value: any): string | undefined {
-  value = Typed.dereference(value, "address");
+  value = tryDereference(value, "address");
   if (isAddress(value)) {
     return value;
   } else if (isAddressable(value)) {

packages/hardhat-chai-matchers/src/internal/typed.ts

@@ -0,0 +1,9 @@
+import { Typed } from "ethers";
+
+export function tryDereference(value: any, type: string) {
+  try {
+    return Typed.dereference(value, type);
+  } catch {
+    return undefined;
+  }
+}

packages/hardhat-chai-matchers/test/addressable.ts

@@ -81,6 +81,8 @@ describe("Addressable matcher", () => {
     }
 
   it("should accept other typed objects", async function () {
-    expect(2).to.equal(ethers.Typed.uint256(2));
+    expect(() => {
+      expect(2).to.equal(ethers.Typed.uint256(2));
+    }).to.throw("expected 2 to equal");
   });
 });