add test +account-abstraction submodule + test contracts

.gitignore

@@ -12,4 +12,5 @@ typechain-types
 #Hardhat files
 cache
 artifacts
+account-abstraction
 

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "account-abstraction"]
+	path = account-abstraction
+	url = https://github.com/eth-infinitism/account-abstraction

.npmignore

@@ -13,4 +13,5 @@ coverage
 walletUtils.*
 coverage.json
 arguments.js
-typings/
+typings/
+account-abstraction

contracts/test/helpers/MockPriceFeed.sol

@@ -0,0 +1,31 @@
+// SPDX-License-Identifier: MIT
+pragma solidity 0.8.17;
+
+import "@chainlink/contracts/src/v0.8/interfaces/AggregatorV3Interface.sol";
+
+//@review againsnt chainlink reference PriceConverter https://docs.chain.link/docs/get-the-latest-price/
+//@review decimals for individual feeds
+contract MockPriceFeed {
+    AggregatorV3Interface internal priceFeed1;
+    AggregatorV3Interface internal priceFeed2;
+
+    constructor() {
+        // todo // do not hard code // polygon values
+        priceFeed1 = AggregatorV3Interface(
+            0xAB594600376Ec9fD91F8e885dADF0CE036862dE0
+        ); // matic usd
+        priceFeed2 = AggregatorV3Interface(
+            0xfE4A8cc5b5B2366C1B58Bea3858e81843581b2F7
+        ); // usdc usd
+    }
+
+    function decimals() public view returns (uint8) {
+        return 18;
+    }
+
+    function getThePrice() public view returns (int) {
+        // Always using decimals 18 for derived price feeds
+        int usdcMatic = 1043 * 1e15;
+        return usdcMatic;
+    }
+}

contracts/token/BiconomyTokenPaymaster.sol

@@ -54,7 +54,7 @@ contract BiconomyTokenPaymaster is BasePaymaster, ReentrancyGuard, TokenPaymaste
 
     // Review it's basically same as above
     // calculated cost of the postOp
-    uint256 private constant COST_OF_POST = 40000; // TBD
+    uint256 private constant COST_OF_POST = 45000; // TBD
 
     // (Potentially) Always rely on verifyingSigner..
     address public verifyingSigner;
@@ -129,7 +129,7 @@ contract BiconomyTokenPaymaster is BasePaymaster, ReentrancyGuard, TokenPaymaste
             sstore(verifyingSigner.slot, _verifyingSigner)
         }
         oracleAggregator = _oracleAggregator;
-        unaccountedEPGasOverhead = 40000; // TBD
+        unaccountedEPGasOverhead = 45000; // TBD
         feeReceiver = address(this); // initialize with self (could also be _owner)
     }
 

hardhat.config.ts

@@ -1,6 +1,12 @@
 import { HardhatUserConfig } from "hardhat/config";
 import "@nomicfoundation/hardhat-toolbox";
 
+import * as dotenv from "dotenv";
+
+import "@typechain/hardhat";
+import "hardhat-gas-reporter";
+import "solidity-coverage";
+
 const config: HardhatUserConfig = {
   solidity: {
   compilers: [

package.json

@@ -42,17 +42,17 @@
     "typescript": "^5.0.4"
   },
   "dependencies": {
-    "@chainlink/contracts": "^0.6.0",
     "@account-abstraction/contracts": "^0.6.0",
     "@biconomy/account-contracts": "^2.0.0",
+    "@chainlink/contracts": "^0.6.0",
     "@ethersproject/abstract-signer": "^5.6.2",
     "@ethersproject/constants": "^5.6.1",
     "@openzeppelin/contracts": "4.8.1",
     "@openzeppelin/contracts-upgradeable": "4.8.1",
-    "@typechain/hardhat": "^2.3.0",
     "@types/mocha": "^9.0.0",
     "chai-as-promised": "^7.1.1",
     "chai-string": "^1.5.0",
+    "dotenv": "^16.0.3",
     "eth-gas-reporter": "^0.2.24",
     "ethereumjs-util": "^7.1.0",
     "ethereumjs-wallet": "^1.0.1",