Optional provider arg. Update eslint conf

.eslintrc.json

@@ -11,7 +11,7 @@
     "SharedArrayBuffer": "readonly"
   },
   "parserOptions": {
-    "ecmaVersion": 2018
+    "ecmaVersion": 2020
   },
   "rules": {
     "indent": [
@@ -21,12 +21,30 @@
         "SwitchCase": 1
       }
     ],
-    "linebreak-style": ["error", "unix"],
-    "quotes": ["error", "single", { "avoidEscape": true }],
-    "semi": ["error", "never"],
-    "object-curly-spacing": ["error", "always"],
+    "linebreak-style": [
+      "error",
+      "unix"
+    ],
+    "quotes": [
+      "error",
+      "single",
+      {
+        "avoidEscape": true
+      }
+    ],
+    "semi": [
+      "error",
+      "never"
+    ],
+    "object-curly-spacing": [
+      "error",
+      "always"
+    ],
     "require-await": "error",
-    "comma-dangle": ["error", "only-multiline"],
+    "comma-dangle": [
+      "error",
+      "only-multiline"
+    ],
     "space-before-function-paren": [
       "error",
       {

index.d.ts

@@ -5,6 +5,7 @@ import PromiEvent from 'web3-core-promievent'
 import { GasPriceOracle } from 'gas-price-oracle'
 import { Mutex } from 'async-mutex'
 import { Options as GasOracleOptions } from 'gas-price-oracle/lib/types'
+import { JsonRpcProvider } from '@ethersproject/providers'
 
 export interface TransactionData {
   to: string
@@ -45,6 +46,7 @@ export interface TxManagerParams {
   broadcastNodes?: string[]
   config?: TxManagerConfig
   gasPriceOracleConfig?: GasOracleOptions
+  provider: JsonRpcProvider
 }
 
 export class TxManager {
@@ -81,7 +83,9 @@ type TEventEmitter = typeof EventEmitter
 
 declare interface TxManagerEventEmmiter extends TEventEmitter {
   on<U extends TxManagerEvents>(event: U, listener: MessageEvents[U]): this
+
   on(event: 'confirmations', listener: MessageEvents['confirmations']): Promise<TransactionReceipt>
+
   emit<U extends TxManagerEvents>(event: U, ...args: Parameters<MessageEvents[U]>): boolean
 }
 

package.json

@@ -4,6 +4,9 @@
   "description": "",
   "main": "index.js",
   "types": "index.d.ts",
+  "engines": {
+    "node": ">=14.0.0"
+  },
   "scripts": {
     "eslint": "eslint --ext .js --ignore-path .gitignore .",
     "prettier:check": "prettier --check . --config .prettierrc",
@@ -19,7 +22,8 @@
     "url": "git://github.com/tornadocash/tx-manager.git"
   },
   "files": [
-    "src/*"
+    "src/*",
+    "index.d.ts"
   ],
   "dependencies": {
     "async-mutex": "^0.2.4",

src/Transaction.js

@@ -26,14 +26,13 @@ const sameTxErrors = [
   'Transaction with the same hash was already imported.',
   'already known',
   'AlreadyKnown',
-  'Known transaction'
+  'Known transaction',
 ]
 
 class Transaction {
   constructor(tx, manager) {
     this.manager = manager
     this.tx = { ...tx }
-    this.nonce = manager._nonce
     this._promise = PromiEvent()
     this._emitter = this._promise.eventEmitter
     this.executed = false
@@ -73,7 +72,7 @@ class Transaction {
     if (!tx.gasLimit) {
       const estimatedGasLimit = await this._estimateGas(tx)
       tx.gasLimit = min(
-        estimatedGasLimit.mul(this.manager.config.GAS_LIMIT_MULTIPLIER * 100).div(100),
+        estimatedGasLimit.mul(Math.floor(this.manager.config.GAS_LIMIT_MULTIPLIER * 100)).div(100),
         this.manager.config.BLOCK_GAS_LIMIT,
       )
     }
@@ -301,7 +300,8 @@ class Transaction {
   }
 
   _handleRpcError(e, method) {
-    if (e.error.error) {
+    console.log('_handleRpcError', e, method)
+    if (e.error?.error) {
       // Sometimes ethers wraps known errors, unwrap it in this case
       e = e.error
     }

src/TxManager.js

@@ -22,10 +22,10 @@ const defaultConfig = {
 }
 
 class TxManager {
-  constructor({ privateKey, rpcUrl, broadcastNodes = [], config = {}, gasPriceOracleConfig = {} }) {
+  constructor({ privateKey, rpcUrl, broadcastNodes = [], config = {}, gasPriceOracleConfig = {}, provider }) {
     this.config = Object.assign({ ...defaultConfig }, config)
     this._privateKey = privateKey.startsWith('0x') ? privateKey : '0x' + privateKey
-    this._provider = new ethers.providers.JsonRpcProvider(rpcUrl)
+    this._provider = provider || new ethers.providers.JsonRpcProvider(rpcUrl)
     this._wallet = new ethers.Wallet(this._privateKey, this._provider)
     this.address = this._wallet.address
     this._broadcastNodes = broadcastNodes