update userOriginalStake on buy sellStake

contracts/CunaFinanceBsc.sol

@@ -96,7 +96,7 @@ contract CunaFinanceBsc is Initializable, ReentrancyGuardUpgradeable {
     // Epoch-based staking variables
     mapping(uint256 => Epoch) public epochs;
     mapping(address => uint256) public userBigStake;           // User's main stake amount
-    mapping(address => uint256) public userOriginalStake;      // User's original stake amount (never changes)
+    mapping(address => uint256) public userOriginalStake;      // User's cumulative original stake (first stake + marketplace purchases)
     mapping(address => uint256) public userLastClaimedEpoch;   // Last epoch user claimed from
     mapping(address => WithdrawStake[]) public withdrawStakes; // User's withdrawable stakes
     uint256 public currentEpochId;
@@ -757,6 +757,10 @@ contract CunaFinanceBsc is Initializable, ReentrancyGuardUpgradeable {
         userBigStake[seller] -= value;
         userBigStake[msg.sender] += buyerStake;
         pendingSellStakes[seller] -= value;
+        
+        // Increment buyer's original stake tracking (marketplace purchases count as original stake)
+        userOriginalStake[msg.sender] += buyerStake;
+        
         // Note: totalBigStakes decreases by protocolShare
         totalBigStakes -= protocolShare;
         

hardhat.config.js

@@ -1,7 +1,7 @@
 require("@nomicfoundation/hardhat-ethers");
 require("@nomicfoundation/hardhat-chai-matchers");
 require("@openzeppelin/hardhat-upgrades");
-require("@nomiclabs/hardhat-etherscan");
+require("@nomicfoundation/hardhat-verify");
 require("dotenv").config();
 
 const env = process.env;
@@ -15,7 +15,7 @@ module.exports = {
         settings: {
           optimizer: {
             enabled: true,
-            runs: 200,
+            runs: 1,
           },
         },
       },
@@ -33,8 +33,20 @@ module.exports = {
       url: "http://127.0.0.1:8545",
     },
     bscTestnet: {
-      url: "https://virtual.binance.eu.rpc.tenderly.co/863b23c4-3a3a-4cdf-8620-41a2fd0be25b",
+      url: "https://virtual.binance.eu.rpc.tenderly.co/77a9a30c-44ca-45e0-ae2a-9b5ddb41d20e",
-      chainId: 56,
+      chainId: 1337,
+      accounts: env.PRIVATE_KEY ? [env.PRIVATE_KEY] : [],
+    },
+    anvil: {
+      url: "https://rpc.tacopancake.com",
+      chainId: 1337,
+      accounts: [
+        "0xac0974bec39a17e36ba4a6b4d238ff944bacb478cbed5efcae784d7bf4f2ff80", // Default Anvil account 0
+      ],
+    },
+    buildbear: {
+      url: "https://rpc.buildbear.io/stale-bucky-0f42044d",
+      chainId: 31337,
       accounts: env.PRIVATE_KEY ? [env.PRIVATE_KEY] : [],
     },
   },
@@ -42,6 +54,21 @@ module.exports = {
     apiKey: {
       bsc: env.BSCSCAN_API_KEY || "",
       bscTestnet: env.BSCSCAN_API_KEY || "",
-    }
+      buildbear: "abc",  // API key not needed for BuildBear
+    },
+    customChains: [
+      {
+        network: "buildbear",
+        chainId: 31337,
+        urls: {
+          apiURL: "https://rpc.buildbear.io/verify/etherscan/stale-bucky-0f42044d",
+          browserURL: "https://explorer.buildbear.io/stale-bucky-0f42044d"
+        }
+      }
+    ]
+  },
+  sourcify: {
+    enabled: true,
+    apiUrl: "https://rpc.buildbear.io/verify/sourcify/server/stale-bucky-0f42044d"
   },
 };