Updated dist files.

Author: ricmoo

_version.d.ts

@@ -1 +1 @@
-export declare const version = "4.0.5";
+export declare const version = "4.0.6";

_version.js

@@ -1,3 +1,3 @@
 "use strict";
 Object.defineProperty(exports, "__esModule", { value: true });
-exports.version = "4.0.5";
+exports.version = "4.0.6";

dist/ethers.js

@@ -1,7 +1,7 @@
 (function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.ethers = f()}})(function(){var define,module,exports;return (function(){function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c="function"==typeof require&&require;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){var n=e[i][1][r];return o(n||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u="function"==typeof require&&require,i=0;i<t.length;i++)o(t[i]);return o}return r})()({1:[function(require,module,exports){
 "use strict";
 Object.defineProperty(exports, "__esModule", { value: true });
-exports.version = "4.0.5";
+exports.version = "4.0.6";
 
 },{}],2:[function(require,module,exports){
 "use strict";
@@ -14088,15 +14088,17 @@ var _EventDescription = /** @class */ (function (_super) {
             topics.push(this.topic);
         }
         params.forEach(function (arg, index) {
-            if (arg === null) {
-                topics.push(null);
-                return;
-            }
             var param = _this.inputs[index];
             if (!param.indexed) {
-                errors.throwError('cannot filter non-indexed parameters; must be null', errors.INVALID_ARGUMENT, { argument: (param.name || index), value: arg });
+                if (arg != null) {
+                    errors.throwError('cannot filter non-indexed parameters; must be null', errors.INVALID_ARGUMENT, { argument: (param.name || index), value: arg });
+                }
+                return;
+            }
+            if (arg == null) {
+                topics.push(null);
             }
-            if (param.type === 'string') {
+            else if (param.type === 'string') {
                 topics.push(hash_1.id(arg));
             }
             else if (param.type === 'bytes') {

dist/ethers.min.js

@@ -260,7 +260,7 @@ declare module 'ethers/utils/shims' {
 }
 
 declare module 'ethers/_version' {
-    export const version = "4.0.5";
+    export const version = "4.0.6";
 }
 
 declare module 'ethers/utils/bignumber' {

dist/ethers.min.js.map

@@ -1,6 +1,6 @@
 {
   "name": "ethers",
-  "version": "4.0.5",
+  "version": "4.0.6",
   "description": "Ethereum wallet library.",
   "main": "./index.js",
   "types": "./index.d.ts",

dist/ethers.types.txt

@@ -1 +1 @@
-export const version = "4.0.5";
+export const version = "4.0.6";

package-lock.json

@@ -441,3 +441,72 @@ describe('Test Fixed Bytes Coder', function() {
         });
     });
 });
+
+describe('Test Filters', function() {
+    // @TODO: Add a LOT more tests here
+    function doTest(test) {
+        it(test.name, function() {
+            let iface = new ethers.utils.Interface([ test.signature ]);
+            let eventDescription = iface.events[test.event];
+            let filter = eventDescription.encodeTopics(test.args);
+            assert.equal(filter.length, test.expected.length, 'filter length matches - ' + test.name);
+            filter.forEach(function(expected, index) {
+                assert.equal(expected, test.expected[index], 'signature topic matches - ' + index + ' - ' + test.name);
+            });
+        });
+    }
+
+    var Tests = [
+
+        // Skips null in non-indexed fields
+        // See: https://github.com/ethers-io/ethers.js/issues/305
+        {
+            name: "creates correct filters for null non-indexed fields",
+
+            args: [ null, 2, null, null ],
+            event: "LogSomething",
+            signature: "event LogSomething(int hup, int indexed two, bool three, address indexed four)",
+
+            expected: [
+                "0xf6b983969813047dce97b9ff8a48cfb0a13306eb2caae2ef186b280bc27491c8",
+                "0x0000000000000000000000000000000000000000000000000000000000000002"
+            ]
+        },
+
+        // https://etherscan.io/tx/0x820cc57bc77be44d8f4f024a18e18f64a8b6e62a82a3d7897db5970dbe181ba1
+        {
+            name: "transfer filtering from",
+
+            args: [
+                "0x59DEa134510ebce4a0c7146595dc8A61Eb9D0D79"
+            ],
+            event: "Transfer",
+            signature: "event Transfer(address indexed from, address indexed to, uint value)",
+
+            expected: [
+                "0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef",
+                "0x00000000000000000000000059dea134510ebce4a0c7146595dc8a61eb9d0d79"
+            ]
+        },
+        {
+            name: "transfer filtering to",
+
+            args: [
+                null,
+                "0x851b9167B7cbf772D38eFaf89705b35022880A07"
+            ],
+            event: "Transfer",
+            signature: "event Transfer(address indexed from, address indexed to, uint value)",
+
+            expected: [
+                "0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef",
+                null,
+                "0x000000000000000000000000851b9167b7cbf772d38efaf89705b35022880a07"
+            ]
+        }
+    ];
+
+    Tests.forEach((test) => {
+        doTest(test);
+    });
+});