Fixed lookupAddress when bad resolver is present (ethers-io#3782).

src.ts/_tests/test-providers-data.ts

@@ -207,11 +207,21 @@ describe("Test Provider Transaction operations", function() {
 
             // Cloudflare doesn't return the root in legacy receipts; but it isn't
             // *actually* that important, so we'll give it a pass...
-            if (providerName === "CloudflareProvider") {
+            if (providerName === "CloudflareProvider" || providerName === "AnkrProvider" || providerName === "PocketProvider") {
                 test = Object.assign({ } , test, { root: undefined });
             }
 
+            //if (providerName === "PocketProvider") {
+            //}
+
             assertReceipt(receipt, test);
         };
     });
+
+    forEach("test lookupAddress(addr) == null", testReceipt, (providerName, test) => {
+        return async (provider) => {
+            const name = await provider.lookupAddress("0x0123456789012345678901234567890123456789")
+            assert.ok(name == null, "name == null");
+        };
+    });
 });

src.ts/providers/abstract-provider.ts

@@ -20,7 +20,7 @@ import { Transaction } from "../transaction/index.js";
 import {
     concat, dataLength, dataSlice, hexlify, isHexString,
     getBigInt, getBytes, getNumber,
-    isCallException, makeError, assert, assertArgument,
+    isCallException, isError, makeError, assert, assertArgument,
     FetchRequest,
     toBeArray, toQuantity,
     defineProperties, EventPayload, resolveProperties,
@@ -988,14 +988,21 @@ export class AbstractProvider implements Provider {
             ], this);
             const name = await resolverContract.name(node);
 
+            // Failed forward resolution
             const check = await this.resolveName(name);
-            if (check !== address) {
-                console.log("FAIL", address, check);
-            }
+            if (check !== address) { return null; }
 
             return name;
         } catch (error) {
-            console.log("TEMP", error);
+            // No data was returned from the resolver
+            if (isError(error, "BAD_DATA") && error.value === "0x") {
+                return null;
+            }
+
+            // Something reerted
+            if (isError(error, "CALL_EXCEPTION")) { return null; }
+
+            throw error;
         }
 
         return null;