added buffer dependency (#39)

CHANGELOG.md

@@ -1,8 +1,13 @@
 # Changelog
 
+## [1.2.10] - 2023-09-27
+### Fixes
+- Added `buffer` dependency to support both node and browser environments
+
 ## [1.2.9] - 2023-09-26
 ### New
 - Added Mantle testnet
+
 ## [1.2.8] - 2023-09-21
 ### Fixes
 - Fixed the issue with getExchangeOffers endpoint (Account must need to be deployed to access this endpoint)

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@etherspot/prime-sdk",
-  "version": "1.2.9",
+  "version": "1.2.10",
   "description": "Etherspot Prime (Account Abstraction) SDK",
   "keywords": [
     "ether",
@@ -53,8 +53,9 @@
     "@lifi/sdk": "2.2.3",
     "@nerdwallet/apollo-cache-policies": "1.2.1",
     "@thehubbleproject/bls": "0.5.1",
-    "apollo-link-ws": "1.0.20",
     "@walletconnect/universal-provider": "2.10.0",
+    "apollo-link-ws": "1.0.20",
+    "buffer": "^6.0.3",
     "class-transformer": "0.5.1",
     "class-validator": "0.14.0",
     "commander": "10.0.1",
@@ -68,10 +69,10 @@
     "@types/prettier": "2.7.3",
     "@typescript-eslint/eslint-plugin": "2.34.0",
     "@typescript-eslint/parser": "2.34.0",
+    "dotenv": "16.0.3",
     "eslint": "6.8.0",
     "eslint-config-prettier": "6.11.0",
     "eslint-plugin-import": "2.20.2",
-    "dotenv": "16.0.3",
     "npm": "9.6.4",
     "ts-node": "8.10.2",
     "typescript": "4.5.2"

src/sdk/base/VerifyingPaymasterAPI.ts

@@ -1,5 +1,6 @@
 import { ethers } from 'ethers';
 import fetch from 'cross-fetch';
+import { Buffer } from 'buffer';
 import { calcPreVerificationGas } from './calcPreVerificationGas';
 import { PaymasterAPI } from './PaymasterAPI';
 import { UserOperationStruct } from '../contracts/account-abstraction/contracts/core/BaseAccount';

src/sdk/base/calcPreVerificationGas.ts

@@ -2,6 +2,7 @@ import { UserOperationStruct } from '../contracts/account-abstraction/contracts/
 
 import { NotPromise, packUserOp } from '../common';
 import { arrayify, hexlify } from 'ethers/lib/utils';
+import { Buffer } from 'buffer';
 
 export interface GasOverheads {
   /**

src/sdk/common/ERC4337Utils.ts

@@ -2,6 +2,7 @@ import { defaultAbiCoder, hexConcat, hexlify, keccak256 } from 'ethers/lib/utils
 import { EntryPoint__factory } from '../contracts';
 import { UserOperationStruct } from '../contracts/account-abstraction/contracts/core/BaseAccount';
 import { ethers } from 'ethers';
+import { Buffer } from 'buffer';
 
 const entryPointAbi: any = EntryPoint__factory.abi;
 
@@ -98,7 +99,7 @@ export function decodeErrorReason(error: string): DecodedError | undefined {
     return {
       message: formattedMessage,
       opIndex,
-    };    
+    };
   }
 }