Add autobinding to subscriptions and address

package.json

@@ -1,6 +1,6 @@
 {
   "name": "everscale-inpage-provider",
-  "version": "0.3.27",
+  "version": "0.3.28",
   "description": "Web3-like interface to the Everscale blockchain",
   "repository": "https://github.com/broxus/everscale-inpage-provider",
   "main": "dist/index.js",

src/index.ts

@@ -365,7 +365,7 @@ export class ProviderRpcClient {
         return this;
       }
 
-      async subscribe(): Promise<void> {
+      subscribe = async (): Promise<void> => {
         if (this._subscribed) {
           return;
         }
@@ -375,9 +375,9 @@ export class ProviderRpcClient {
         for (const handler of this._listeners['subscribed']) {
           handler();
         }
-      }
+      };
 
-      async unsubscribe(): Promise<void> {
+      unsubscribe = async (): Promise<void> => {
         if (!this._subscribed) {
           return;
         }
@@ -387,7 +387,7 @@ export class ProviderRpcClient {
         for (const handler of this._listeners['unsubscribed']) {
           handler();
         }
-      }
+      };
 
       notify(data: ProviderEventData<T>) {
         for (const handler of this._listeners['data']) {
@@ -923,12 +923,12 @@ export interface Subscription<T extends ProviderEvent> {
   /**
    * Can be used to re-subscribe with the same parameters.
    */
-  subscribe(): Promise<void>;
+  subscribe: () => Promise<void>;
 
   /**
    * Unsubscribes the subscription.
    */
-  unsubscribe(): Promise<void>;
+  unsubscribe: () => Promise<void>;
 }
 
 type SubscriptionEvent = 'data' | 'subscribed' | 'unsubscribed';

src/stream.ts

@@ -113,7 +113,9 @@ export class Subscriber {
     return this._addSubscription('contractStateChanged', address, false);
   }
 
-  public async unsubscribe(): Promise<void> {
+  public unsubscribe = async (): Promise<void> => this._unsubscribe();
+
+  private async _unsubscribe(): Promise<void> {
     const subscriptions = Object.assign({}, this.subscriptions);
     for (const address of Object.keys(this.subscriptions)) {
       delete this.subscriptions[address];

src/utils.ts

@@ -39,7 +39,9 @@ export class Address {
     return this._address;
   }
 
-  public equals(other: Address | string): boolean {
+  public equals = (other: Address | string): boolean => this._equals(other);
+
+  private _equals(other: Address | string): boolean {
     if (other instanceof Address) {
       return this._address == other._address;
     } else {