update ethers (#33)

package.json

@@ -20,7 +20,7 @@
   "dependencies": {
     "@open-web3/scanner": "^0.9.4-19",
     "blakejs": "^1.1.0",
-    "ethers": "^5.0.21",
+    "ethers": "^5.4.6",
     "typescript": "^4.2.4"
   },
   "devDependencies": {

src/Provider.ts

@@ -12,7 +12,8 @@ import type {
   Provider as AbstractProvider,
   TransactionReceipt,
   TransactionRequest,
-  TransactionResponse
+  TransactionResponse,
+  FeeData
 } from '@ethersproject/abstract-provider';
 import { BigNumber, BigNumberish } from '@ethersproject/bignumber';
 import { Logger } from '@ethersproject/logger';
@@ -108,6 +109,14 @@ export class Provider implements AbstractProvider {
     return BigNumber.from(0);
   }
 
+  async getFeeData(): Promise<FeeData> {
+    return {
+      maxFeePerGas: null,
+      maxPriorityFeePerGas: null,
+      gasPrice: null
+    };
+  }
+
   /**
    * Get an account's balance by address or name.
    * @param addressOrName The address or name of the account
@@ -374,40 +383,40 @@ export class Provider implements AbstractProvider {
     });
   }
 
-  on(eventName: EventType, listener: Listener): Provider {
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
+  emit(eventName: EventType, ...args: Array<any>): boolean {
     return logger.throwError('Unsupport Event');
   }
 
-  once(eventName: EventType, listener: Listener): Provider {
+  listenerCount(eventName?: EventType): number {
     return logger.throwError('Unsupport Event');
   }
 
-  // eslint-disable-next-line @typescript-eslint/no-explicit-any
-  emit(eventName: EventType, ...args: Array<any>): boolean {
+  listeners(eventName?: EventType): Array<Listener> {
     return logger.throwError('Unsupport Event');
   }
 
-  listenerCount(eventName?: EventType): number {
+  off(eventName: EventType, listener?: Listener): AbstractProvider {
     return logger.throwError('Unsupport Event');
   }
 
-  listeners(eventName?: EventType): Array<Listener> {
+  on(eventName: EventType, listener: Listener): AbstractProvider {
     return logger.throwError('Unsupport Event');
   }
 
-  off(eventName: EventType, listener?: Listener): Provider {
+  once(eventName: EventType, listener: Listener): AbstractProvider {
     return logger.throwError('Unsupport Event');
   }
 
-  removeAllListeners(eventName?: EventType): Provider {
+  removeAllListeners(eventName?: EventType): AbstractProvider {
     return logger.throwError('Unsupport Event');
   }
 
-  addListener(eventName: EventType, listener: Listener): Provider {
+  addListener(eventName: EventType, listener: Listener): AbstractProvider {
     return this.on(eventName, listener);
   }
 
-  removeListener(eventName: EventType, listener: Listener): Provider {
+  removeListener(eventName: EventType, listener: Listener): AbstractProvider {
     return this.off(eventName, listener);
   }
 
@@ -499,7 +508,9 @@ export class Provider implements AbstractProvider {
       confirmations: 4,
       cumulativeGasUsed: gasUsed,
       byzantium: false,
-      status
+      status,
+      effectiveGasPrice: BigNumber.from('1'),
+      type: 0
     };
   }