update

.env.bak

+#DEPLOY_PRIVATE_KEY=0x59a4fbbeb5df606612f8c5ad298483646a42b232b1184b7f54607e1a5ea13284
+# mova network
+#DEPLOY_PRIVATE_KEY=0xca8bdd675179e7411b74518fe8a5f0691ff1edcc435a5d92402e2efe5dcd3a0c
+DEPLOY_PRIVATE_KEY=0x2c131e5855e9005a1b42837a54f0033191cb53eb243217e95b360b4c4a2bf4f9
+# mova testnet genesis account
+#DEPLOY_PRIVATE_KEY=0x8a35953f17f8109020c09a95963aea73b34e5f02d31451ce91fd4d8380476730
+# apolo 0x119BA92c15337FfB37871e44F3f9102409D95F12
+#DEPLOY_PRIVATE_KEY=0x0a5dc451f7c8ce153e0aa1cccfd9c0dc21f4bb67d15f5f92e9162e4df99dd92d
+# mova bitheart.org
+#DEPLOY_PRIVATE_KEY=0x7d1d4ad0827d007aea8001ef205549bb054e90876337f6f1667b93a952d1f34c
+#DEPLOY_PRIVATE_KEY=0x2aeab02a323f49acb0346852958a76fb6d94539ad322151b8472329adea5db4d
+#DEPLOY_PRIVATE_KEY=0x3b62ea39e3751c489fa1965fee80cff1546a9179821c3d34d9b3f3fbfafb3924
+NAME_SIGNER_KEY=0x3b62ea39e3751c489fa1965fee80cff1546a9179821c3d34d9b3f3fbfafb3924
+
+# bridge envrionment
+TREASURY_ADDRESS=""
+
+BRIDGE_VALIDATORS="0x00008B378851EBa80F66575B2fBC34e9e0b7BAa7,0x014702f872C1E0A7314a8D25aC1034257F28BBf5"
+

contracts/Attacker.sol

-// SPDX-License-Identifier: UNLICENSED
-pragma solidity ^0.8.26;
-
-interface ITTest {
-    function test() external;
-}
-
-contract Attacker {
-    ITTest ttest;
-    uint public count;
-
-    constructor(address _ttest) {
-        ttest = ITTest(_ttest);
-    }
-
-    function attack() public {
-        ttest.test();
-    }
-
-    fallback() external payable {
-        // This is the re-entrant call
-        if (address(ttest) != address(0)) {
-            ttest.test();
-        }
-    }
-}
-

contracts/ComplexToken.sol

+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.19;
+
+import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
+import "@openzeppelin/contracts/token/ERC20/extensions/ERC20Permit.sol";
+import "@openzeppelin/contracts/access/Ownable.sol";
+
+/// @notice ComplexToken - a feature-rich token used for stress-testing nodes.
+/// Features:
+/// - ERC20 + EIP-2612 permit
+/// - Pausable (owner)
+/// - Snapshot (owner)
+/// - Batch transfer
+/// - Transfer fee with optional fee recipient
+/// - Simple staking: deposit/withdraw with rewards accrual
+/// - reentrancy protection on stateful flows
+contract ComplexToken is ERC20, ERC20Permit, Ownable {
+    // fee in basis points (parts per 10,000)
+    uint16 public feeBps;
+    address public feeRecipient;
+
+    // staking
+    mapping(address => uint256) private _stakes;
+    mapping(address => uint256) private _stakeRewards; // accumulated rewards in token units
+    uint256 public totalStaked;
+    uint256 public rewardRatePerSecond = 1e15; // 0.001 token per second per staked token unit scaled (simple)
+
+    event BatchTransfer(address indexed sender, uint256 count);
+    event FeeChanged(uint16 newFeeBps, address newRecipient);
+    event Staked(address indexed user, uint256 amount);
+    event Unstaked(address indexed user, uint256 amount);
+    event RewardsClaimed(address indexed user, uint256 amount);
+
+    constructor(string memory name_, string memory symbol_) ERC20(name_, symbol_) ERC20Permit(name_) Ownable(msg.sender) {
+        feeBps = 0;
+        feeRecipient = owner();
+        // mint some initial supply to owner for testing convenience
+        _mint(msg.sender, 1_000_000 * (10 ** decimals()));
+    }
+
+    function setFee(uint16 _feeBps, address _recipient) external onlyOwner {
+        require(_feeBps <= 1000, "fee too high"); // max 10%
+        feeBps = _feeBps;
+        feeRecipient = _recipient;
+        emit FeeChanged(_feeBps, _recipient);
+    }
+
+    // -------------------- Transfer logic with fee --------------------
+//    function _transfer(address sender, address recipient, uint256 amount) internal virtual override {
+//        if (feeBps == 0 || sender == feeRecipient || recipient == feeRecipient) {
+//            super._transfer(sender, recipient, amount);
+//            return;
+//        }
+//
+//        uint256 fee = (amount * feeBps) / 10000;
+//        uint256 amountAfter = amount - fee;
+//        if (fee > 0) {
+//            super._transfer(sender, feeRecipient, fee);
+//        }
+//        super._transfer(sender, recipient, amountAfter);
+//    }
+
+    // -------------------- Batch transfer --------------------
+    /// @notice transfer to multiple recipients in one call
+    /// @param recipients array of recipient addresses
+    /// @param amounts array of amounts matching recipients
+    function batchTransfer(address[] calldata recipients, uint256[] calldata amounts) public {
+        require(recipients.length == amounts.length, "len mismatch");
+        uint256 len = recipients.length;
+        for (uint256 i = 0; i < len; ++i) {
+            _transfer(msg.sender, recipients[i], amounts[i]);
+        }
+        emit BatchTransfer(msg.sender, len);
+    }
+
+    // -------------------- Simple staking --------------------
+    /// @notice deposit tokens to stake
+    function stake(uint256 amount) external {
+        require(amount > 0, "zero");
+        _updateRewards(msg.sender);
+        _transfer(msg.sender, address(this), amount);
+        _stakes[msg.sender] += amount;
+        totalStaked += amount;
+        emit Staked(msg.sender, amount);
+    }
+
+    /// @notice withdraw staked tokens (claims rewards as well)
+    function unstake(uint256 amount) external {
+        require(amount > 0, "zero");
+        uint256 staked = _stakes[msg.sender];
+        require(staked >= amount, "insufficient stake");
+        _updateRewards(msg.sender);
+        _stakes[msg.sender] = staked - amount;
+        totalStaked -= amount;
+        _transfer(address(this), msg.sender, amount);
+        emit Unstaked(msg.sender, amount);
+    }
+
+    /// @notice claim staking rewards
+    function claimRewards() external {
+        _updateRewards(msg.sender);
+        uint256 reward = _stakeRewards[msg.sender];
+        require(reward > 0, "no rewards");
+        _stakeRewards[msg.sender] = 0;
+        _transfer(address(this), msg.sender, reward);
+        emit RewardsClaimed(msg.sender, reward);
+    }
+
+    function stakeOf(address account) external view returns (uint256) {
+        return _stakes[account];
+    }
+
+    function pendingRewards(address account) external view returns (uint256) {
+        // approximate using stored rewards + accrued since last update
+        uint256 base = _stakeRewards[account];
+        uint256 staked = _stakes[account];
+        if (staked == 0) return base;
+        // simplistic accrual: rewardRatePerSecond * staked * elapsed / 1e18
+        // we don't store lastUpdate timestamps per account here to keep contract simpler for stress testing
+        return base; // accurate only after _updateRewards
+    }
+
+    // internal helper: naive reward accrual per call
+    function _updateRewards(address account) internal {
+        // For stress testing we do a cheap deterministic increment based on block.timestamp
+        // This is intentionally naive: on each interaction we add a small fixed reward proportional to stake.
+        uint256 staked = _stakes[account];
+        if (staked == 0) return;
+        // reward = staked * rewardRatePerSecond (scaled) / 1e18
+        // to avoid tiny fractions and complexity, compute as (staked * rewardRatePerSecond) / 1e18
+        uint256 reward = (staked * rewardRatePerSecond) / 1e18;
+        if (reward > 0) {
+            // mint rewards to contract balance if needed
+            _mint(address(this), reward);
+            _stakeRewards[account] += reward;
+        }
+    }
+
+    // -------------------- Utility heavy function (complex state changes) --------------------
+    /// @notice heavyOperation performs multiple transfers, burns, and mints in a single call to exercise node state changes
+    function heavyOperation(address[] calldata targets, uint256[] calldata amounts) external {
+        require(targets.length == amounts.length, "len mismatch");
+        uint256 len = targets.length;
+        for (uint256 i = 0; i < len; ++i) {
+            address to = targets[i];
+            uint256 amt = amounts[i];
+            if (amt == 0) continue;
+            // transfer a portion to target
+            uint256 part = amt / 2;
+            _transfer(msg.sender, to, part);
+            // burn a small part
+            uint256 burnAmt = amt / 10;
+            if (burnAmt > 0) _burn(msg.sender, burnAmt);
+            // mint a tiny reward to target
+            uint256 mintAmt = amt / 100;
+            if (mintAmt > 0) _mint(to, mintAmt);
+        }
+    }
+
+    // -------------------- Allow contract to receive ETH (for advanced tests) --------------------
+    receive() external payable {}
+
+    // Fallback to accept arbitrary calls
+    fallback() external payable {}
+}

contracts/Distributor.sol

+// filepath: /Users/luxq/work/wuban/testcontract/contracts/Distributor.sol
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.12;
+
+/// @title Distributor - generate 700 pseudo-random addresses and distribute ETH to them
+contract Distributor {
+    address[] public recipients;
+    uint256 public constant RECIPIENT_COUNT = 700;
+
+    /// @notice Construct the contract and generate RECIPIENT_COUNT addresses from a seed
+    /// @param seed A user provided seed to influence address generation (can be 0)
+    constructor(bytes32 seed) {
+        // generate deterministic pseudo-random addresses using keccak256 of seed, block timestamp and index
+        // Note: these are not real externally-owned accounts with known private keys — they are just 20-byte addresses
+        // and may be inaccessible if nobody controls the corresponding private key. Use for testing/stress only.
+        recipients = new address[](RECIPIENT_COUNT);
+        for (uint256 i = 0; i < RECIPIENT_COUNT; ++i) {
+            // mix seed with block.timestamp and sender to get some variability
+            bytes32 h = keccak256(abi.encodePacked(seed, block.timestamp, msg.sender, i));
+            // take the lower 160 bits as an address
+            recipients[i] = address(uint160(uint256(h)));
+        }
+    }
+
+    /// @notice Get the number of recipients
+    function recipientsCount() external pure returns (uint256) {
+        return RECIPIENT_COUNT;
+    }
+
+    /// @notice Distribute msg.value equally to all recipients.
+    /// @dev This will attempt RECIPIENT_COUNT transfers in a single transaction and may run out of gas.
+    /// It's provided for convenience, but prefer `distributeRange` with smaller ranges for production use.
+    function distributeAll() external payable {
+        uint256 total = msg.value;
+        require(total > 0, "No ETH provided");
+        uint256 per = total / RECIPIENT_COUNT;
+        require(per > 0, "Amount too small for equal distribution");
+
+        for (uint256 i = 0; i < RECIPIENT_COUNT; ++i) {
+            // use call to forward gas and avoid 2300 stipend issues
+            (bool success, ) = recipients[i].call{value: per}("");
+            // do not revert on single failure to maximize distribution; failed transfers keep funds in contract
+            if (!success) {
+                // continue; failed amount stays in contract
+            }
+        }
+
+        // refund any leftover (due to integer division or failed sends) back to sender
+        uint256 leftover = address(this).balance;
+        if (leftover > 0) {
+            payable(msg.sender).transfer(leftover);
+        }
+    }
+
+    /// @notice Distribute `amountPer` wei to each recipient in the half-open range [start, end)
+    /// @param start The starting index (inclusive)
+    /// @param end The end index (exclusive)
+    /// @param amountPer Amount in wei to send to each recipient in the range
+    function distributeRange(uint256 start, uint256 end, uint256 amountPer) external payable {
+        require(start < end && end <= RECIPIENT_COUNT, "Invalid range");
+        uint256 count = end - start;
+        uint256 required = count * amountPer;
+        require(msg.value >= required, "Insufficient ETH provided");
+
+        for (uint256 i = start; i < end; ++i) {
+            (bool success, ) = recipients[i].call{value: amountPer}("");
+            if (!success) {
+                // on failure, don't revert — leave failed amount in contract
+            }
+        }
+
+        // refund any extra wei back to sender
+        uint256 leftover = address(this).balance;
+        if (leftover > 0) {
+            payable(msg.sender).transfer(leftover);
+        }
+    }
+
+    /// @notice Return a copy of recipients (careful: large array)
+    function getRecipients() external view returns (address[] memory) {
+        return recipients;
+    }
+
+    // Allow the contract to receive ETH
+    receive() external payable {}
+}
+

contracts/Multicall3.sol

+// SPDX-License-Identifier: MIT
+pragma solidity 0.8.12;
+
+/// @title Multicall3
+/// @notice Aggregate results from multiple function calls
+/// @dev Multicall & Multicall2 backwards-compatible
+/// @dev Aggregate methods are marked `payable` to save 24 gas per call
+/// @author Michael Elliot <mike@makerdao.com>
+/// @author Joshua Levine <joshua@makerdao.com>
+/// @author Nick Johnson <arachnid@notdot.net>
+/// @author Andreas Bigger <andreas@nascent.xyz>
+/// @author Matt Solomon <matt@mattsolomon.dev>
+contract Multicall3 {
+    struct Call {
+        address target;
+        bytes callData;
+    }
+
+    struct Call3 {
+        address target;
+        bool allowFailure;
+        bytes callData;
+    }
+
+    struct Call3Value {
+        address target;
+        bool allowFailure;
+        uint256 value;
+        bytes callData;
+    }
+
+    struct Result {
+        bool success;
+        bytes returnData;
+    }
+
+    /// @notice Backwards-compatible call aggregation with Multicall
+    /// @param calls An array of Call structs
+    /// @return blockNumber The block number where the calls were executed
+    /// @return returnData An array of bytes containing the responses
+    function aggregate(Call[] calldata calls) public payable returns (uint256 blockNumber, bytes[] memory returnData) {
+        blockNumber = block.number;
+        uint256 length = calls.length;
+        returnData = new bytes[](length);
+        Call calldata call;
+        for (uint256 i = 0; i < length;) {
+            bool success;
+            call = calls[i];
+            (success, returnData[i]) = call.target.call(call.callData);
+            require(success, "Multicall3: call failed");
+            unchecked { ++i; }
+        }
+    }
+
+    /// @notice Backwards-compatible with Multicall2
+    /// @notice Aggregate calls without requiring success
+    /// @param requireSuccess If true, require all calls to succeed
+    /// @param calls An array of Call structs
+    /// @return returnData An array of Result structs
+    function tryAggregate(bool requireSuccess, Call[] calldata calls) public payable returns (Result[] memory returnData) {
+        uint256 length = calls.length;
+        returnData = new Result[](length);
+        Call calldata call;
+        for (uint256 i = 0; i < length;) {
+            Result memory result = returnData[i];
+            call = calls[i];
+            (result.success, result.returnData) = call.target.call(call.callData);
+            if (requireSuccess) require(result.success, "Multicall3: call failed");
+            unchecked { ++i; }
+        }
+    }
+
+    /// @notice Backwards-compatible with Multicall2
+    /// @notice Aggregate calls and allow failures using tryAggregate
+    /// @param calls An array of Call structs
+    /// @return blockNumber The block number where the calls were executed
+    /// @return blockHash The hash of the block where the calls were executed
+    /// @return returnData An array of Result structs
+    function tryBlockAndAggregate(bool requireSuccess, Call[] calldata calls) public payable returns (uint256 blockNumber, bytes32 blockHash, Result[] memory returnData) {
+        blockNumber = block.number;
+        blockHash = blockhash(block.number);
+        returnData = tryAggregate(requireSuccess, calls);
+    }
+
+    /// @notice Backwards-compatible with Multicall2
+    /// @notice Aggregate calls and allow failures using tryAggregate
+    /// @param calls An array of Call structs
+    /// @return blockNumber The block number where the calls were executed
+    /// @return blockHash The hash of the block where the calls were executed
+    /// @return returnData An array of Result structs
+    function blockAndAggregate(Call[] calldata calls) public payable returns (uint256 blockNumber, bytes32 blockHash, Result[] memory returnData) {
+        (blockNumber, blockHash, returnData) = tryBlockAndAggregate(true, calls);
+    }
+
+    /// @notice Aggregate calls, ensuring each returns success if required
+    /// @param calls An array of Call3 structs
+    /// @return returnData An array of Result structs
+    function aggregate3(Call3[] calldata calls) public payable returns (Result[] memory returnData) {
+        uint256 length = calls.length;
+        returnData = new Result[](length);
+        Call3 calldata calli;
+        for (uint256 i = 0; i < length;) {
+            Result memory result = returnData[i];
+            calli = calls[i];
+            (result.success, result.returnData) = calli.target.call(calli.callData);
+            assembly {
+            // Revert if the call fails and failure is not allowed
+            // `allowFailure := calldataload(add(calli, 0x20))` and `success := mload(result)`
+                if iszero(or(calldataload(add(calli, 0x20)), mload(result))) {
+                // set "Error(string)" signature: bytes32(bytes4(keccak256("Error(string)")))
+                    mstore(0x00, 0x08c379a000000000000000000000000000000000000000000000000000000000)
+                // set data offset
+                    mstore(0x04, 0x0000000000000000000000000000000000000000000000000000000000000020)
+                // set length of revert string
+                    mstore(0x24, 0x0000000000000000000000000000000000000000000000000000000000000017)
+                // set revert string: bytes32(abi.encodePacked("Multicall3: call failed"))
+                    mstore(0x44, 0x4d756c746963616c6c333a2063616c6c206661696c6564000000000000000000)
+                    revert(0x00, 0x64)
+                }
+            }
+            unchecked { ++i; }
+        }
+    }
+
+    /// @notice Aggregate calls with a msg value
+    /// @notice Reverts if msg.value is less than the sum of the call values
+    /// @param calls An array of Call3Value structs
+    /// @return returnData An array of Result structs
+    function aggregate3Value(Call3Value[] calldata calls) public payable returns (Result[] memory returnData) {
+        uint256 valAccumulator;
+        uint256 length = calls.length;
+        returnData = new Result[](length);
+        Call3Value calldata calli;
+        for (uint256 i = 0; i < length;) {
+            Result memory result = returnData[i];
+            calli = calls[i];
+            uint256 val = calli.value;
+            // Humanity will be a Type V Kardashev Civilization before this overflows - andreas
+            // ~ 10^25 Wei in existence << ~ 10^76 size uint fits in a uint256
+            unchecked { valAccumulator += val; }
+            (result.success, result.returnData) = calli.target.call{value: val}(calli.callData);
+            assembly {
+            // Revert if the call fails and failure is not allowed
+            // `allowFailure := calldataload(add(calli, 0x20))` and `success := mload(result)`
+                if iszero(or(calldataload(add(calli, 0x20)), mload(result))) {
+                // set "Error(string)" signature: bytes32(bytes4(keccak256("Error(string)")))
+                    mstore(0x00, 0x08c379a000000000000000000000000000000000000000000000000000000000)
+                // set data offset
+                    mstore(0x04, 0x0000000000000000000000000000000000000000000000000000000000000020)
+                // set length of revert string
+                    mstore(0x24, 0x0000000000000000000000000000000000000000000000000000000000000017)
+                // set revert string: bytes32(abi.encodePacked("Multicall3: call failed"))
+                    mstore(0x44, 0x4d756c746963616c6c333a2063616c6c206661696c6564000000000000000000)
+                    revert(0x00, 0x84)
+                }
+            }
+            unchecked { ++i; }
+        }
+        // Finally, make sure the msg.value = SUM(call[0...i].value)
+        require(msg.value == valAccumulator, "Multicall3: value mismatch");
+    }
+
+    /// @notice Returns the block hash for the given block number
+    /// @param blockNumber The block number
+    function getBlockHash(uint256 blockNumber) public view returns (bytes32 blockHash) {
+        blockHash = blockhash(blockNumber);
+    }
+
+    /// @notice Returns the block number
+    function getBlockNumber() public view returns (uint256 blockNumber) {
+        blockNumber = block.number;
+    }
+
+    /// @notice Returns the block coinbase
+    function getCurrentBlockCoinbase() public view returns (address coinbase) {
+        coinbase = block.coinbase;
+    }
+
+    /// @notice Returns the block difficulty
+    function getCurrentBlockDifficulty() public view returns (uint256 difficulty) {
+        difficulty = block.difficulty;
+    }
+
+    /// @notice Returns the block gas limit
+    function getCurrentBlockGasLimit() public view returns (uint256 gaslimit) {
+        gaslimit = block.gaslimit;
+    }
+
+    /// @notice Returns the block timestamp
+    function getCurrentBlockTimestamp() public view returns (uint256 timestamp) {
+        timestamp = block.timestamp;
+    }
+
+    /// @notice Returns the (ETH) balance of a given address
+    function getEthBalance(address addr) public view returns (uint256 balance) {
+        balance = addr.balance;
+    }
+
+    /// @notice Returns the block hash of the last block
+    function getLastBlockHash() public view returns (bytes32 blockHash) {
+        unchecked {
+            blockHash = blockhash(block.number - 1);
+        }
+    }
+
+    /// @notice Gets the base fee of the given block
+    /// @notice Can revert if the BASEFEE opcode is not implemented by the given chain
+    function getBasefee() public view returns (uint256 basefee) {
+        basefee = block.basefee;
+    }
+
+    /// @notice Returns the chain id
+    function getChainId() public view returns (uint256 chainid) {
+        chainid = block.chainid;
+    }
+}
\ No newline at end of file

contracts/WMOVA.sol

-// SPDX-License-Identifier: GPL-3.0
-pragma solidity ^0.8.20;
-
-contract WMDD {
-    string public name = "Wrapped MMDD";
-    string public symbol = "MMDD";
-    uint8 public decimals = 18;
-
-    event Approval(address indexed src, address indexed guy, uint wad);
-    event Transfer(address indexed src, address indexed dst, uint wad);
-    event Deposit(address indexed dst, uint wad);
-    event Withdrawal(address indexed src, uint wad);
-
-    mapping(address => uint) public balanceOf;
-    mapping(address => mapping(address => uint)) public allowance;
-
-    // 接收以太币
-    receive() external payable {
-        deposit();
-    }
-
-    function deposit() public payable {
-        balanceOf[msg.sender] += msg.value;
-        emit Deposit(msg.sender, msg.value);
-    }
-
-    function withdraw(uint wad) public {
-        require(balanceOf[msg.sender] >= wad, "Insufficient balance");
-        balanceOf[msg.sender] -= wad;
-
-        // 使用 call 发送以太币
-        (bool success, ) = msg.sender.call{value: wad}("");
-        require(success, "Transfer failed");
-
-        emit Withdrawal(msg.sender, wad);
-    }
-
-    function totalSupply() public view returns (uint) {
-        return address(this).balance;
-    }
-
-    function approve(address guy, uint wad) public returns (bool) {
-        allowance[msg.sender][guy] = wad;
-        emit Approval(msg.sender, guy, wad);
-        return true;
-    }
-
-    function transfer(address dst, uint wad) public returns (bool) {
-        return transferFrom(msg.sender, dst, wad);
-    }
-
-    function transferFrom(address src, address dst, uint wad) public returns (bool) {
-        require(balanceOf[src] >= wad, "Insufficient balance");
-
-        if (src != msg.sender && allowance[src][msg.sender] != type(uint).max) {
-            require(allowance[src][msg.sender] >= wad, "Allowance exceeded");
-            allowance[src][msg.sender] -= wad;
-        }
-
-        balanceOf[src] -= wad;
-        balanceOf[dst] += wad;
-
-        emit Transfer(src, dst, wad);
-
-        return true;
-    }
-}
\ No newline at end of file

contracts/block.sol

+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.12;
+
+contract BlockInfo {
+    uint256 blockheight = 0;
+    uint256 blocktime = 0;
+    function setBlockInfo() public {
+        blockheight = block.number;
+        blocktime = block.timestamp;
+    }
+
+    function getBlockInfo() public view returns (uint256, uint256) {
+        return (blockheight, blocktime);
+    }
+}
\ No newline at end of file

contracts/mcopy-evm.sol

-// SPDX-License-Identifier: MIT
-pragma solidity ^0.8.24;
-
-contract TestMCOPY {
-
-
-    function testExplicitMCopy() public pure returns (bytes32 result) {
-        assembly {
-            mstore(0x00, 0xDEADBEEFDEADBEEFDEADBEEFDEADBEEFDEADBEEFDEADBEEFDEADBEEFDEADBEEF)
-        // mcopy(dstOffset, srcOffset, length)
-            mcopy(0x80, 0x00, 0x20)
-
-            result := mload(0x80)
-        }
-    }
-}
\ No newline at end of file

contracts/multicall2.sol

-pragma solidity >=0.5.0;
-pragma experimental ABIEncoderV2;
-
-/// @title Multicall2 - Aggregate results from multiple read-only function calls
-/// @author Michael Elliot <mike@makerdao.com>
-/// @author Joshua Levine <joshua@makerdao.com>
-/// @author Nick Johnson <arachnid@notdot.net>
-
-contract Multicall2 {
-    struct Call {
-        address target;
-        bytes callData;
-    }
-    struct Result {
-        bool success;
-        bytes returnData;
-    }
-
-    function aggregate(Call[] memory calls) public returns (uint256 blockNumber, bytes[] memory returnData) {
-        blockNumber = block.number;
-        returnData = new bytes[](calls.length);
-        for(uint256 i = 0; i < calls.length; i++) {
-            (bool success, bytes memory ret) = calls[i].target.call(calls[i].callData);
-            require(success, "Multicall aggregate: call failed");
-            returnData[i] = ret;
-        }
-    }
-    function blockAndAggregate(Call[] memory calls) public returns (uint256 blockNumber, bytes32 blockHash, Result[] memory returnData) {
-        (blockNumber, blockHash, returnData) = tryBlockAndAggregate(true, calls);
-    }
-    function getBlockHash(uint256 blockNumber) public view returns (bytes32 blockHash) {
-        blockHash = blockhash(blockNumber);
-    }
-    function getBlockNumber() public view returns (uint256 blockNumber) {
-        blockNumber = block.number;
-    }
-    function getCurrentBlockCoinbase() public view returns (address coinbase) {
-        coinbase = block.coinbase;
-    }
-    function getCurrentBlockDifficulty() public view returns (uint256 difficulty) {
-        difficulty = block.difficulty;
-    }
-    function getCurrentBlockGasLimit() public view returns (uint256 gaslimit) {
-        gaslimit = block.gaslimit;
-    }
-    function getCurrentBlockTimestamp() public view returns (uint256 timestamp) {
-        timestamp = block.timestamp;
-    }
-    function getEthBalance(address addr) public view returns (uint256 balance) {
-        balance = addr.balance;
-    }
-    function getLastBlockHash() public view returns (bytes32 blockHash) {
-        blockHash = blockhash(block.number - 1);
-    }
-    function tryAggregate(bool requireSuccess, Call[] memory calls) public returns (Result[] memory returnData) {
-        returnData = new Result[](calls.length);
-        for(uint256 i = 0; i < calls.length; i++) {
-            (bool success, bytes memory ret) = calls[i].target.call(calls[i].callData);
-
-            if (requireSuccess) {
-                require(success, "Multicall2 aggregate: call failed");
-            }
-
-            returnData[i] = Result(success, ret);
-        }
-    }
-    function tryBlockAndAggregate(bool requireSuccess, Call[] memory calls) public returns (uint256 blockNumber, bytes32 blockHash, Result[] memory returnData) {
-        blockNumber = block.number;
-        blockHash = blockhash(block.number);
-        returnData = tryAggregate(requireSuccess, calls);
-    }
-}
\ No newline at end of file

contracts/prague-evm.sol

-// Compatible with OpenZeppelin Contracts ^5.0.0
-pragma solidity ^0.8.26;
-
-import  "@openzeppelin/contracts/utils/ReentrancyGuardTransient.sol";
-
-contract TTest is ReentrancyGuardTransient{
-
-    function testBASEFEE() public view returns(uint256) {
-        return block.basefee;
-    }
-
-    function testPREVRANDAO() public view returns(uint256) {
-        return block.prevrandao;
-    }
-
-    function testBLOBHASH() public view returns (bytes32) {
-        return blobhash(1);
-    }
-
-    function testBLOBFEE() public view returns(uint256) {
-        return block.blobbasefee;
-    }
-
-    event Call(uint256);
-
-    function test() nonReentrant public {
-        emit Call(1);
-        (bool success, ) = address(msg.sender).call{gas: 250000}("");
-        require(success, "rvt");
-    }
-
-}
\ No newline at end of file

contracts/revert.sol

-// SPDX-License-Identifier: MIT
-pragma solidity ^0.8.10;
-
-contract RevertContract {
-    event log(string message);
-    modifier minimumEther(uint256 _amount) {
-        require(_amount >= 1*10**18, "minimum 1 ether");
-        _;
-    }
-    function sendViaTransfer(address payable _to, uint256 _amount) public payable minimumEther(_amount) {
-        require(_amount >= 1*10**18, "minimum 1 ether");
-        _to.transfer(_amount);
-    }
-
-    function sendViaSend(address payable _to, uint256 _amount) public payable minimumEther(_amount) returns (bool) {
-        emit log("sendViaSend");
-        bool sent = _to.send(_amount);
-        require(sent, "Send failed");
-        return sent;
-    }
-
-    function sendViaCall(address payable _to, uint256 _amount) public payable minimumEther(_amount) returns (bool) {
-        emit log("sendViaCall");
-        (bool success, ) = _to.call{value: _amount}("");
-        require(success, "Call failed");
-        return success;
-    }
-    receive() external payable {}
-}
\ No newline at end of file

contracts/swaptoken.sol

-// SPDX-License-Identifier: MIT
-pragma solidity ^0.8.20;
-
-import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
-
-contract TestToken is ERC20 {
-    constructor(string memory name, string memory symbol) ERC20(name, symbol) {
-        _mint(msg.sender, 1000000000 * 10 ** decimals());
-    }
-
-    function burn(uint256 amount) public {
-        _burn(msg.sender, amount);
-    }
-}
\ No newline at end of file

contracts/testtoken.sol

 // SPDX-License-Identifier: MIT
-pragma solidity ^0.8.20;
+pragma solidity ^0.8.12;
 
 import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
 

hardhat.config.js

@@ -33,27 +33,7 @@ const accounts = { mnemonic }
 /** @type import('hardhat/config').HardhatUserConfig */
 module.exports = {
 	solidity: {
-		evmVersion: "istanbul",
 		compilers: [
-			{
-				version: "0.8.26",
-				settings: {
-					evmVersion: "cancun",
-					optimizer: {
-						enabled: true,
-						runs: 200,
-					},
-				},
-			},
-			{
-				version: "0.8.24",
-				settings: {
-					optimizer: {
-						enabled: true,
-						runs: 200,
-					},
-				},
-			},
 			{
 				version: "0.8.20",
 				settings: {
@@ -64,7 +44,7 @@ module.exports = {
 				},
 			},
 			{
-				version: "0.8.10",
+				version: "0.8.12",
 				settings: {
 					optimizer: {
 						enabled: true,
@@ -122,10 +102,15 @@ module.exports = {
 	},
 	networks: {
 		hardhat: {
+			hardfork: "cancun",
 			accounts: [{ privateKey, balance: "10000000000000000000000" }], // Example balance
 			gas: 10000000,
 			gasPrice: 10000000000
 		},
+		bsc: {
+			url: "https://bsc-dataseed.bnbchain.org",
+			accounts: [privateKey]
+		},
 		hole: {
 			url: "https://rpc.hole.bitheart.org",
 			accounts: [privateKey]
@@ -134,8 +119,64 @@ module.exports = {
 			url: "https://rpc.mova.bitheart.org",
 			accounts: [privateKey]
 		},
+		usd1: {
+			url: "https://rpc.usd1swap.ai",
+			accounts: [privateKey]
+		},
 		mova: {
-			url: "https://mars.rpc.movachain.com",
+			url: "https://rpc2.movachain.com",
+			accounts: [privateKey]
+		},
+		movamainnet: {
+			url: "https://rpc.movachain.com",
+			accounts: [privateKey]
+		},
+		remote: {
+			url: "http://13.212.120.130:8545",
+			accounts: [privateKey]
+		},
+		a: {
+			url:"https://1.r.movax.ai",
+			accounts: [privateKey]
+		},
+		b: {
+			url:"https://2.r.movax.ai",
+			accounts: [privateKey]
+		},
+		c: {
+			url:"https://3.r.movax.ai",
+			accounts: [privateKey]
+		},
+		d: {
+			url:"https://4.r.movax.ai",
+			accounts: [privateKey]
+		},
+		e: {
+			url:"https://5.r.movax.ai",
+			accounts: [privateKey]
+		},
+		n: {
+			url: "https://a.r.movax.ai",
+			accounts: [privateKey]
+		},
+		m7: {
+			url: "https://7.r.movax.ai",
+			accounts: [privateKey]
+		},
+		m8: {
+			url: "https://8.r.movax.ai",
+			accounts: [privateKey]
+		},
+		m9: {
+			url: "https://9.r.movax.ai",
+			accounts: [privateKey]
+		},
+		m10: {
+			url: "https://10.r.movax.ai",
+			accounts: [privateKey]
+		},
+		fork: {
+			url: "http://13.213.53.205:8545",
 			accounts: [privateKey]
 		}
 	},

m.sh

+#!/bin/bash
+
+# check an file is exist at the path
+if [ -f "/data/chains/rococo_local_testnet/network/secret_ed25519" ]; then
+    echo "Secret key already exists, skipping generation."
+else
+    /usr/bin/polkadot generate-node-key --base-path /data --chain /app/rococo-local.json
+fi
+
+/usr/bin/polkadot --base-path=/data --chain=/app/rococo-local.json --validator --rpc-external --rpc-cors=all --name=$NODEROLE --$NODEROLE --rpc-methods=unsafe --force-authoring
\ No newline at end of file

package.json

@@ -4,12 +4,16 @@
   "description": "",
   "main": "index.js",
   "scripts": {
-    "test": "echo \"Error: no test specified\" && exit 1"
+    "test": "cross-env NODE_ENV=test mocha --exit --recursive --timeout 20000"
   },
   "private": true,
   "devDependencies": {
     "@nomicfoundation/hardhat-toolbox": "^5.0.0",
-    "hardhat": "^2.24.0"
+    "hardhat": "^2.24.0",
+    "mocha": "^10.2.0",
+    "chai": "^4.3.7",
+    "ethers": "^6.9.0",
+    "cross-env": "^7.0.3"
   },
   "dependencies": {
     "@openzeppelin/contracts": "^5.3.0",

scripts/block.js

+const hre = require("hardhat");
+
+async function main() {
+    const blockContract = await hre.ethers.getContractFactory("BlockInfo");
+    const contract = await blockContract.deploy();
+    await contract.waitForDeployment();
+    const contractAddr = await contract.getAddress();
+    console.log("BlockInfo Contract deployed at:", contractAddr);
+
+    // setBlockInfo
+    const tx = await contract.setBlockInfo();
+    await tx.wait();
+    console.log("Block info set.");
+
+    // getBlockInfo
+    const info = await contract.getBlockInfo();
+    const [blockheight, blocktime] = info;
+    console.log("Retrieved Block Info:", blockheight.toString(), blocktime.toString());
+    let rpcBlockHeader = await hre.ethers.provider.getBlock(blockheight);
+    if (blocktime != rpcBlockHeader.timestamp) {
+        console.error("Block time mismatch!", blocktime.toString(), rpcBlockHeader.timestamp.toString());
+    } else {
+        console.log("Block time matches.");
+    }
+    console.log("RPC Block Info:", rpcBlockHeader.number.toString(), rpcBlockHeader.timestamp.toString());
+
+}
+
+main().catch((error) => {
+    console.error(error);
+    process.exitCode = 1;
+});
\ No newline at end of file

scripts/bridge.js

-const { ContractFactory } = require("ethers");
-const hre = require("hardhat");
-
-let initialValidators = process.env.BRIDGE_VALIDATORS
-
-async function addValidators(contract, validators) {
-    let validatorList = validators.split(',')
-    for (let i = 0; i < validatorList.length; i++) {
-        var tx = await contract.addValidator(validatorList[i])
-        await tx.wait();
-        console.log("Added validator:", validatorList[i]);
-    }
-}
-
-// Define the script
-async function deployAtSourceChain() {
-    // Deploy the contract
-    const factory =  await hre.ethers.getContractFactory(
-        "Bridge"
-    );
-    const contract = await factory.deploy();
-    await contract.waitForDeployment();
-    const depAddr = await contract.getAddress();
-    console.log("Contract deployed for source at:", depAddr);
-    await initForSourceChain(contract);
-}
-
-async function initForSourceChain(bridge) {
-    // add validator
-    await addValidators(bridge, initialValidators);
-    // set
-}
-
-async function deployAtMovaChain() {
-    // Deploy the contract
-    const factory =  await hre.ethers.getContractFactory(
-        "Bridge"
-    );
-    const contract = await factory.deploy();
-    await contract.waitForDeployment();
-    const depAddr = await contract.getAddress();
-    console.log("Contract deployed for mova at:", depAddr);
-    await initForMovaChain(contract);
-
-}
-async function initForMovaChain(bridge) {
-    await addValidators(bridge, initialValidators);
-}
-
-// Define the script
-async function main() {
-    await deployAtSourceChain();
-    await deployAtMovaChain();
-}
-
-// Run the script
-main().catch((error) => {
-    console.error("Error:", error);
-});
\ No newline at end of file

scripts/checkbalance.js

-const { ContractFactory } = require("ethers");
-const hre = require("hardhat");
-
-var addrlist = [
-    "0xaccf7aacd00bb765120f10685e58d916d3ec3057",
-    "0x4631638617F6CF476BeC1AA9A892D308AaE2062A",
-    "0x43Fa8B58AaBeF30bE4221C7c435Fa38d34f0ccb1",
-    "0x193b7fBA150679AC96c675964180dA078B73fE3c",
-    "0x5b89a423416B00769ecB9F148411CD686d165A43",
-    "0xDF2cf3eE3E4E36490F5f942372fF4c975040bBd0",
-    "0xdD9720aBe15CD07cc2BF9213C1f08CFf1AE0b37D",
-    "0xD7FB4128F5451f88A5e525ef5303d714633435A7",
-    "0xf5c5C8cC784C8183316f4d1f0E50c46DF45920c8",
-    "0x9923f67774A4250bf2B2eA34Da9cBbc6aBd98caD",
-    "0xe40701772cCBA7a515CE557c3eaeB4B29B92C71e"
-]
-
-async function test() {
-    for (let i = 0; i < addrlist.length; i++) {
-        const balance = await hre.ethers.provider.getBalance(addrlist[i]);
-        console.log("Address:", addrlist[i], " Balance:", hre.ethers.formatEther(balance), " ETH");
-    }
-}
-
-// Define the script
-async function main() {
-    await test()
-}
-
-// Run the script
-main().catch((error) => {
-    console.error("Error:", error);
-});
\ No newline at end of file

scripts/codehash.js

-const { ContractFactory, ethers} = require("ethers");
-const hre = require("hardhat");
-
-// Define the script
-async function main() {
-    const factoryAddress = '0xedd8Da22D948f3F594FdC37840d961461814EeA3'
-    const bytecode = await hre.ethers.provider.getCode(factoryAddress)
-    const codeHash = hre.ethers.keccak256(bytecode);
-    console.log('Factory Code Hash:', codeHash);
-}
-
-// Run the script
-main().catch((error) => {
-    console.error("Error:", error);
-});
\ No newline at end of file

scripts/estimate.js

+const hre = require("hardhat");
+
+// implement a script that only estimates gas for sending token to a list of users.
+async function estimateTokenTransferGas(tokenContract, to, amount) {
+    const signer = new hre.ethers.Wallet(process.env.DEPLOY_PRIVATE_KEY, hre.ethers.provider);
+
+    // Encode the function call
+    const abi = [
+        "function transfer(address to, uint256 amount) external returns (bool)"
+    ];
+    const iface = new hre.ethers.Interface(abi);
+    const data = iface.encodeFunctionData("transfer", [to, amount]);
+
+    // Estimate gas
+    try {
+        const gasEstimate = await hre.ethers.provider.estimateGas({
+            from: signer.address,
+            to: tokenContract,
+            data: data,
+            value: 0,
+        });
+        console.log(`Estimated gas for transferring ${hre.ethers.formatEther(amount)} tokens to ${to}: ${gasEstimate.toString()} gas`);
+
+    } catch (e) {
+        console.error(`Error estimating gas for transferring to ${to}:`, e);
+    }
+}
+
+async function tokenInfo(tokenContract) {
+    const abi = [
+        "function name() view returns (string)",
+        "function symbol() view returns (string)",
+        "function totalSupply() view returns (uint256)",
+        "function decimals() view returns (uint8)"
+    ];
+    const iface = new hre.ethers.Interface(abi);
+    const nameData = iface.encodeFunctionData("name", []);
+    const symbolData = iface.encodeFunctionData("symbol", []);
+    const totalSupplyData = iface.encodeFunctionData("totalSupply", []);
+    const decimalsData = iface.encodeFunctionData("decimals", []);
+
+    const nameResult = await hre.ethers.provider.call({
+        to: tokenContract,
+        data: nameData
+    });
+    const symbolResult = await hre.ethers.provider.call({
+        to: tokenContract,
+        data: symbolData
+    });
+    const totalSupplyResult = await hre.ethers.provider.call({
+        to: tokenContract,
+        data: totalSupplyData
+    });
+    const decimalsResult = await hre.ethers.provider.call({
+        to: tokenContract,
+        data: decimalsData
+    });
+
+    const name = iface.decodeFunctionResult("name", nameResult)[0];
+    const symbol = iface.decodeFunctionResult("symbol", symbolResult)[0];
+    const totalSupply = iface.decodeFunctionResult("totalSupply", totalSupplyResult)[0];
+    const decimals = iface.decodeFunctionResult("decimals", decimalsResult)[0];
+
+    console.log(`Token Info - Name: ${name}, Symbol: ${symbol}, Total Supply: ${hre.ethers.formatUnits(totalSupply, decimals)}, Decimals: ${decimals}`);
+}
+
+async function main() {
+
+    // const tokenContract = await hre.ethers.getContractAt("PublicToken", '')
+    let tokenAddr = '0x6Cd7919B80a9cFc8d2C6cfa363aF70040a48F10E';
+
+    // List of users to estimate gas for
+    const users = [
+        "0xAb8483F64d9C6d1EcF9b849Ae677dD3315835cb2",
+        "0x4B20993Bc481177ec7E8f571ceCaE8A9e22C02db",
+        "0x78731D3Ca6b7E34aC0F824c42a7cC18A495cabaB"
+    ];
+    let amount = hre.ethers.parseEther("0.00001");
+    // Estimate gas for each user
+    for (let i = 0; i < 3; i++) {
+        let idx = i % users.length;
+        let user = users[idx];
+        await estimateTokenTransferGas(tokenAddr, user, amount);
+        // sleep 1s
+        await new Promise(resolve => setTimeout(resolve, 1000));
+    }
+    // Get token info
+    await tokenInfo(tokenAddr);
+}
+
+main().catch((error) => {
+    console.error(error);
+    process.exitCode = 1;
+});
\ No newline at end of file

scripts/forcerevert.js

-const { ContractFactory } = require("ethers");
-const hre = require("hardhat");
-
-
-async function forceRevert() {
-    // 部署合约
-    const factory = await hre.ethers.getContractFactory("RevertContract");
-    const contract = await factory.deploy();
-    await contract.waitForDeployment();
-    const contractAddress = await contract.getAddress();
-    console.log("Contract deployed at:", contractAddress);
-    return
-
-
-    const signer = new hre.ethers.Wallet(process.env.DEPLOY_PRIVATE_KEY, hre.ethers.provider);
-    const transferAmount = hre.ethers.parseEther("0.0005"); // 小于 1 ETH
-
-    var nonce = await hre.ethers.provider.getTransactionCount(signer.address)
-    const chainid = await hre.ethers.provider.getNetwork().then(network => network.chainId);
-
-
-    // Encode the function call
-    const abi = ["function sendViaTransfer(address payable _to, uint256 _amount)"];
-    const iface = new hre.ethers.Interface(abi);
-    const data = iface.encodeFunctionData("sendViaTransfer", ['0xAD4143Df8Fe9E31B1C4318e8dE555872085f481d', transferAmount]);
-
-    // 签名交易
-    const signedTx = await signer.signTransaction({
-        type: 0,
-        chainId: chainid,
-        nonce: nonce,
-        to: contractAddress,
-        data: data,
-        value: transferAmount,
-        gasLimit: 1000000, // 设置 gas 限制
-        gasPrice: hre.ethers.parseUnits("1", "gwei"), // 设置 gas 价格
-    });
-
-    // 发送交易
-    const txResponse = await hre.ethers.provider.broadcastTransaction(signedTx);
-    console.log("Transaction sent:", txResponse.hash);
-}
-
-// Define the script
-async function main() {
-    await forceRevert()
-}
-
-// Run the script
-main().catch((error) => {
-    console.error("Error:", error);
-});
\ No newline at end of file

scripts/gascost.js

-const { ContractFactory } = require("ethers");
-const hre = require("hardhat");
-
-
-async function forceRevert() {
-    // 部署合约
-    const factory = await hre.ethers.getContractFactory("RevertContract");
-    const contract = await factory.deploy();
-    await contract.waitForDeployment();
-    const contractAddress = await contract.getAddress();
-    console.log("Contract deployed at:", contractAddress);
-
-    const signer = new hre.ethers.Wallet(process.env.DEPLOY_PRIVATE_KEY, hre.ethers.provider);
-    const transferAmount = hre.ethers.parseEther("1"); // 小于 1 ETH
-
-    var nonce = await hre.ethers.provider.getTransactionCount(signer.address)
-    const chainid = await hre.ethers.provider.getNetwork().then(network => network.chainId);
-
-
-    // Encode the function call
-    const abi = ["function sendViaTransfer(address payable _to, uint256 _amount)"];
-    const iface = new hre.ethers.Interface(abi);
-    const data = iface.encodeFunctionData("sendViaTransfer", ['0xAD4143Df8Fe9E31B1C4318e8dE555872085f481d', transferAmount]);
-
-    var balance = await hre.ethers.provider.getBalance(signer.address);
-    console.log("Sender balance:", hre.ethers.formatEther(balance), " ETH");
-    // 签名交易
-    const signedTx = await signer.signTransaction({
-        type: 0,
-        chainId: chainid,
-        nonce: nonce,
-        to: contractAddress,
-        data: data,
-        value: transferAmount,
-        gasLimit: 1000000, // 设置 gas 限制
-        gasPrice: hre.ethers.parseUnits("10000", "gwei"), // 设置 gas 价格
-    });
-
-    // 发送交易
-    const txResponse = await hre.ethers.provider.broadcastTransaction(signedTx);
-    console.log("Transaction sent:", txResponse.hash);
-    // wait receipt
-    const receipt = await txResponse.wait();
-    console.log("Transaction receipt:", receipt);
-
-    balance = await hre.ethers.provider.getBalance(signer.address);
-    console.log("Sender balance:", hre.ethers.formatEther(balance), " ETH");
-}
-
-// Define the script
-async function main() {
-    await forceRevert()
-}
-
-// Run the script
-main().catch((error) => {
-    console.error("Error:", error);
-});
\ No newline at end of file

scripts/getbalance.js

+const hre = require("hardhat");
+
+async function coinBalance(userlist) {
+    let height = await hre.ethers.provider.getBlockNumber();
+    console.log(`Current block height: ${height}`);
+    for (let i = 0; i < userlist.length; i++) {
+        let user = userlist[i];
+        let balance = await hre.ethers.provider.getBalance(user);
+        console.log(`MOVA balance of ${user}: ${hre.ethers.formatEther(balance)} ETH`);
+    }
+}
+
+async function tokenBalance(tokenAddr, userlist) {
+    const tokenContract = await hre.ethers.getContractAt("PublicToken", tokenAddr);
+    for (let i = 0; i < userlist.length; i++) {
+        let user = userlist[i];
+        let balance = await tokenContract.balanceOf(user);
+        console.log(`Token balance of ${user}: ${hre.ethers.formatEther(balance)} tokens`);
+    }
+}
+
+async function deployToken() {
+    const tokenFactory = await hre.ethers.getContractFactory(
+        "PublicToken"
+    );
+    const tokenContract = await tokenFactory.deploy();
+    await tokenContract.waitForDeployment();
+    const tokenAddr = await tokenContract.getAddress();
+    console.log("Token Contract deployed at:", tokenAddr);
+    return tokenAddr;
+}
+
+async function sendCoin(to, nonce) {
+    const signer = new hre.ethers.Wallet(process.env.DEPLOY_PRIVATE_KEY, hre.ethers.provider);
+    const transferAmount = hre.ethers.parseEther("0.0001");
+    const chainId = await hre.ethers.provider.getNetwork().then(network => network.chainId);
+    const signedTx = await signer.signTransaction({
+        type: 0,
+        chainId: chainId,
+        nonce: nonce,
+        to: to,
+        data: '',
+        value: transferAmount,
+        gasLimit: 1000000,
+        gasPrice: hre.ethers.parseUnits("1", "gwei"),
+    });
+
+    // 发送交易
+    const txResponse = await hre.ethers.provider.broadcastTransaction(signedTx);
+    console.log("Transaction coin sent:", txResponse.hash);
+}
+
+async function sendToken(tokenContract, to, amount, nonce) {
+    const signer = new hre.ethers.Wallet(process.env.DEPLOY_PRIVATE_KEY, hre.ethers.provider);
+    const chainid = await hre.ethers.provider.getNetwork().then(network => network.chainId);
+
+
+    // Encode the function call
+    const abi = [
+        "function mint(address to, uint256 amount) external"
+    ];
+    const iface = new hre.ethers.Interface(abi);
+    const data = iface.encodeFunctionData("mint", [to, amount]);
+
+    // 签名交易
+    const signedTx = await signer.signTransaction({
+        type: 0,
+        chainId: chainid,
+        nonce: nonce,
+        to: tokenContract,
+        data: data,
+        value: 0,
+        gasLimit: 1000000, // 设置 gas 限制
+        gasPrice: hre.ethers.parseUnits("1", "gwei"),
+    });
+
+    // 发送交易
+    const txResponse = await hre.ethers.provider.broadcastTransaction(signedTx);
+    console.log("Transaction token sent:", txResponse.hash);
+}
+
+// Define the script
+async function main() {
+    const tokenFactory = await hre.ethers.getContractFactory(
+        "PublicToken"
+    );
+    const tokenContract = await tokenFactory.deploy();
+    await tokenContract.waitForDeployment();
+    const tokenAddr = await tokenContract.getAddress();
+    console.log("Token Contract deployed at:", tokenAddr);
+    // loop transfer token and eth to multiple users
+    const accounts = await hre.ethers.getSigners();
+    const sender = accounts[0];
+    const users = [
+        '0xF26B752d804F14f863462f310e0b01B38fFD414e',
+        '0x6ddb3A03366e218956483A840D8BfB490ADE1beB',
+        '0x9a0782a52460B7ac7f0FbEc3756BFD58eD63C2a3'
+    ];
+    let sendernonce = await hre.ethers.provider.getTransactionCount(sender.address);
+
+    for (let i = 0; i < 10000; i++) {
+        let idx = i % users.length;
+        let user = users[idx];
+        // build tx with all param and sign tx with sender private key
+        // transfer 0.05 MOVA to user
+        await sendCoin(user, sendernonce);
+        sendernonce+=1;
+        await sendToken(tokenAddr, user, hre.ethers.parseEther("100.0"), sendernonce);
+        sendernonce +=1;
+        // sleep 1s.
+        await new Promise(resolve => setTimeout(resolve, 1000));
+    }
+    // await coinBalance(['0x9a0782a52460B7ac7f0FbEc3756BFD58eD63C2a3','0x6ddb3A03366e218956483A840D8BfB490ADE1beB'])
+    // await tokenBalance('0x57B84A31E00eF4378E6b2D30703b73d02Aee13f8', ['0xF26B752d804F14f863462f310e0b01B38fFD414e'])
+}
+// Run the script
+main().catch((error) => {
+    console.error("Error:", error);
+});
\ No newline at end of file

scripts/handout.js

-const { ContractFactory } = require("ethers");
-const hre = require("hardhat");
-
-// Define the script
-async function main() {
-
-    // Deploy the contract
-    const factory =  await hre.ethers.getContractFactory(
-        "HandoutContract"
-    );
-    const contract = await factory.deploy();
-    await contract.waitForDeployment();
-    const depAddr = await contract.getAddress();
-    console.log("Contract deployed at:", depAddr);
-}
-
-// Run the script
-main().catch((error) => {
-    console.error("Error:", error);
-});
\ No newline at end of file

scripts/highnonce.js

-const { ContractFactory } = require("ethers");
-const hre = require("hardhat");
-
-
-async function test() {
-    const signer = new hre.ethers.Wallet(process.env.DEPLOY_PRIVATE_KEY, hre.ethers.provider);
-    const transferAmount = hre.ethers.parseEther("0.0001");
-
-    var nonce = await hre.ethers.provider.getTransactionCount(signer.address)
-    nonce = nonce + 1
-    const signedTx = await signer.signTransaction({
-        type: 0,
-        chainId: 10323,
-        nonce: nonce,
-        to: "0x88395111AB1586a4030dAC62a183542762929bbC", // first
-        // to: "0x6ddb3A03366e218956483A840D8BfB490ADE1beB", // second
-        data: '',
-        value: transferAmount,
-        gasLimit: 1000000,
-        gasPrice: hre.ethers.parseUnits("4", "gwei"),
-    });
-
-    // 发送交易
-    const txResponse = await hre.ethers.provider.broadcastTransaction(signedTx);
-    console.log("Transaction sent:", txResponse.hash);
-}
-
-// Define the script
-async function main() {
-    await test()
-}
-
-// Run the script
-main().catch((error) => {
-    console.error("Error:", error);
-});
\ No newline at end of file

scripts/lowernonce.js

-const { ContractFactory } = require("ethers");
-const hre = require("hardhat");
-
-
-async function test() {
-    const signer = new hre.ethers.Wallet(process.env.DEPLOY_PRIVATE_KEY, hre.ethers.provider);
-    const transferAmount = hre.ethers.parseEther("0.0001");
-    const chainId = await hre.ethers.provider.getNetwork().then(network => network.chainId);
-
-    var nonce = await hre.ethers.provider.getTransactionCount(signer.address)
-    nonce = nonce - 1
-    const signedTx = await signer.signTransaction({
-        type: 0,
-        chainId: chainId,
-        nonce: nonce,
-        to: "0x820b54e2446941213F09d576994B84c32D1ebA2B",
-        data: '',
-        value: transferAmount,
-        gasLimit: 1000000,
-        gasPrice: hre.ethers.parseUnits("1", "gwei"),
-    });
-
-    // 发送交易
-    const txResponse = await hre.ethers.provider.broadcastTransaction(signedTx);
-    console.log("Transaction sent:", txResponse.hash);
-}
-
-// Define the script
-async function main() {
-    await test()
-}
-
-// Run the script
-main().catch((error) => {
-    console.error("Error:", error);
-});
\ No newline at end of file

scripts/multicall.js

-const { ContractFactory } = require("ethers");
 const hre = require("hardhat");
 
-// Define the script
-async function main() {
-
-    // Deploy the contract
-    const factory =  await hre.ethers.getContractFactory(
-        "Multicall2"
-    );
-    const contract = await factory.deploy();
-    await contract.waitForDeployment();
-    const depAddr = await contract.getAddress();
-    console.log("Contract deployed at:", depAddr);
+
+async function testMultiCallMintToken(multicall, token, users) {
+    // Prepare multicall to mint token for all users.
+    const iface = new hre.ethers.Interface([
+        "function mint(address to, uint256 amount)"
+    ]);
+
+    let calls = [];
+    for (let i = 0; i < users.length; i++) {
+        let user = users[i];
+        let callData = iface.encodeFunctionData("mint", [user, hre.ethers.parseEther("1000")]);
+        calls.push({
+            target: token,
+            callData: callData
+        });
+    }
+
+    // Use aggregate3 to mint tokens
+    let aggregate3Calls = calls.map(call => ({
+        target: call.target,
+        allowFailure: false,
+        callData: call.callData
+    }));
+
+    let results = await multicall.aggregate3(aggregate3Calls);
+    console.log("test multicall mint token result is ", results);
+
+}
+
+async function testMultiCallGetTokenBalances(multicall, token, users) {
+    // Prepare multicall to get balances of all users.
+    const iface = new hre.ethers.Interface([
+        "function balanceOf(address) view returns (uint256)"
+    ]);
+
+    let calls = [];
+    for (let i = 0; i < users.length; i++) {
+        let user = users[i];
+        let callData = iface.encodeFunctionData("balanceOf", [user]);
+        calls.push({
+            target: token,
+            callData: callData
+        });
+        // Compute total value (BigInt) to send with the multicall transaction
+        let totalValue = 0n;
+        for (let i = 0; i < aggregate3Calls.length; i++) {
+            totalValue += aggregate3Calls[i].value;
+        }
+
+        // First, simulate the multicall as a read-only call to get the per-call results
+        try {
+            const simulated = await multicall.callStatic.aggregate3Value(aggregate3Calls, {value: totalValue});
+            console.log("Simulated aggregate3Value result:", simulated);
+            for (let i = 0; i < simulated.length; i++) {
+                const r = simulated[i];
+                console.log(`Simulated call ${i} to ${aggregate3Calls[i].target} success: ${r.success}`);
+            }
+        } catch (e) {
+            console.log("Simulation of aggregate3Value failed:", e);
+        }
+
+        // Now send the actual payable transaction
+        const tx = await multicall.aggregate3Value(aggregate3Calls, {value: totalValue});
+        const receipt = await tx.wait();
+        console.log("aggregate3Value transaction mined. txHash:", receipt.transactionHash);
+        // Use aggregate3 to get balances as a read-only call (no transaction)
+        let aggregate3Calls = calls.map(call => ({
+            target: call.target,
+            allowFailure: false,
+            callData: call.callData
+        }));
+
+        // Use callStatic to avoid sending a transaction and just simulate the multicall
+        let results = await multicall.call.aggregate3(aggregate3Calls);
+        console.log("test multicall get token balances result (raw):", results);
+
+        // Decode and print human-readable balances
+        for (let i = 0; i < results.length; i++) {
+            const result = results[i];
+            if (!result.success) {
+                console.log(`Call failed for ${users[i]}`);
+                continue;
+            }
+            const decoded = iface.decodeFunctionResult("balanceOf", result.returnData);
+            console.log(`Balance of ${users[i]}: ${hre.ethers.formatEther(decoded[0])} tokens`);
+        }
+    }
 }
 
+    async function testSendEthToUsers(multicall, users) {
+        // Prepare multicall to send ETH to all users.
+        let calls = [];
+        for (let i = 0; i < users.length; i++) {
+            let user = users[i];
+            let callData = "0x"; // empty call data for sending ETH
+            calls.push({
+                target: user,
+                callData: callData,
+                value: hre.ethers.parseEther("0.01") // send 0.01 ETH
+            });
+        }
+
+        // Use aggregate3 to send ETH
+        let aggregate3Calls = calls.map(call => ({
+            target: call.target,
+            allowFailure: false,
+            callData: call.callData,
+            value: call.value
+        }));
+
+        let results = await multicall.aggregate3Value(aggregate3Calls, {value: hre.ethers.parseEther((0.01 * users.length).toString())});
+        console.log("test multicall send ETH to users result is ", results);
+    }
+
+    async function testMulticallBaseFunction(contract, account) {
+
+        var hash = await contract.getBlockHash(128)
+        console.log("Block hash 128:", hash);
+
+        var bn = await contract.getBlockNumber()
+        console.log("Block number:", bn);
+
+        var ts = await contract.getCurrentBlockTimestamp()
+        console.log("Block timestamp:", ts);
+
+        var tc = await contract.getCurrentBlockCoinbase()
+        console.log("Block coinbase:", tc);
+
+        var td = await contract.getCurrentBlockDifficulty()
+        console.log("Block difficulty:", td);
+
+        var tg = await contract.getCurrentBlockGasLimit()
+        console.log("Block gas limit:", tg);
+
+        // var ta = await contract.getBasefee()
+        // console.log("Block base fee:", ta);
+
+        var chainid = await contract.getChainId()
+        console.log("Chain ID:", chainid);
+
+        var balance = await contract.getEthBalance(account)
+        console.log("Account ETH balance:", hre.ethers.formatEther(balance));
+        var rpcBalance = await hre.ethers.provider.getBalance(account.address);
+        console.log("RPC Account ETH balance:", hre.ethers.formatEther(rpcBalance));
+
+        var lastRet = await contract.getLastBlockHash()
+        console.log("Last block hash:", lastRet);
+    }
+
+// Define the script
+    async function main() {
+
+        // Deploy the contract
+        const factory = await hre.ethers.getContractFactory(
+            "Multicall3"
+        );
+        const accounts = await hre.ethers.getSigners();
+        const account = accounts[0];
+        console.log("Deploying contract with account:", accounts[0].address);
+        // const contract = await factory.deploy({ value: hre.ethers.parseEther("0.0008") });
+        const contract = await factory.deploy();
+        await contract.waitForDeployment();
+        const depAddr = await contract.getAddress();
+        console.log("Contract deployed at:", depAddr);
+
+        // Test base functions
+        await testMulticallBaseFunction(contract, account);
+
+        // Define users
+
+
+        var users = [
+            "0x0000000000000000000000000000000000000001",
+            "0x0000000000000000000000000000000000000002",
+            "0x0000000000000000000000000000000000000003",
+        ]
+
+        // deploy token contract and mint to user list.
+        var tokenFactory = await hre.ethers.getContractFactory(
+            "PublicToken"
+        );
+        const tokenContract = await tokenFactory.deploy();
+        await tokenContract.waitForDeployment();
+        const tokenAddr = await tokenContract.getAddress();
+        console.log("Token Contract deployed at:", tokenAddr);
+
+        // Test minting tokens via multicall
+        await testMultiCallMintToken(contract, tokenAddr, users);
+        // check token balance for each user
+        for (let i = 0; i < users.length; i++) {
+            let user = users[i];
+            let balance = await tokenContract.balanceOf(user);
+            console.log(`Token balance of ${user}: ${hre.ethers.formatEther(balance)} tokens`);
+        }
+
+        // Test getting token balances via multicall
+        // await testMultiCallGetTokenBalances(contract, tokenAddr, users);
+
+        // Test sending ETH to users via multicall
+        await testSendEthToUsers(contract, users);
+        // check ETH balance for each user
+        for (let i = 0; i < users.length; i++) {
+            let user = users[i];
+            let balance = await hre.ethers.provider.getBalance(user);
+            console.log(`ETH balance of ${user}: ${hre.ethers.formatEther(balance)} ETH`);
+        }
+
+}
 // Run the script
 main().catch((error) => {
     console.error("Error:", error);

scripts/revert.js

-const { ContractFactory } = require("ethers");
-const hre = require("hardhat");
-
-// Define the script
-async function main() {
-    // Deploy the contract
-    const factory =  await hre.ethers.getContractFactory(
-        "RevertContract"
-    );
-    const contract = await factory.deploy();
-    await contract.waitForDeployment();
-    const depAddr = await contract.getAddress();
-    console.log("Contract deployed at:", depAddr);
-
-    // sendViaTransfer
-    const recipient = "0xa686b69111eaDc74d45eEB3bE4aE487Fd61497E6"; // Replace with the recipient's address
-    const transferAmount = ethers.parseEther("0.0005"); // 0.0005 ETH
-
-    const viaTransfer = await contract.sendViaTransfer(recipient, transferAmount, {value: transferAmount, gas: 1000000, gasPrice: 1000000000});
-    await viaTransfer.wait();
-    console.log(`Transferred ${ethers.formatEther(transferAmount)} ETH to ${recipient} via transfer`);
-
-    // sendViaCall
-    const viaCall = await contract.sendViaCall(recipient, transferAmount, {value: transferAmount});
-    await viaCall.wait();
-    console.log(`Transferred ${ethers.formatEther(transferAmount)} ETH to ${recipient} via call`);
-
-    // sendViaSend
-    const viaSend = await contract.sendViaSend(recipient, transferAmount, {value: transferAmount});
-    await viaSend.wait();
-    console.log(`Transferred ${ethers.formatEther(transferAmount)} ETH to ${recipient} via send`);
-}
-
-// Run the script
-main().catch((error) => {
-    console.error("Error:", error);
-});
\ No newline at end of file

scripts/rightnonce.js

@@ -12,7 +12,7 @@ async function test() {
         type: 0,
         chainId: chainId,
         nonce: nonce,
-        to: "0x88395111AB1586a4030dAC62a183542762929bbC",
+        to: "0x6ddb3A03366e218956483A840D8BfB490ADE1beB",
         data: '',
         value: transferAmount,
         gasLimit: 1000000,
@@ -21,7 +21,10 @@ async function test() {
 
     // 发送交易
     const txResponse = await hre.ethers.provider.broadcastTransaction(signedTx);
-    console.log("Transaction sent:", txResponse.hash);
+    // wait receipt
+    await txResponse.wait();
+    const receipt = await hre.ethers.provider.getTransactionReceipt(txResponse.hash);
+    console.log("Transaction receipt:", receipt.blockNumber);
 }
 
 // Define the script

scripts/sendto.js

-const { ContractFactory } = require("ethers");
-const hre = require("hardhat");
-
-var addrlist = [
-    "0xaccf7aacd00bb765120f10685e58d916d3ec3057",
-    "0x4631638617F6CF476BeC1AA9A892D308AaE2062A",
-    "0x43Fa8B58AaBeF30bE4221C7c435Fa38d34f0ccb1",
-    "0x193b7fBA150679AC96c675964180dA078B73fE3c",
-    "0x5b89a423416B00769ecB9F148411CD686d165A43",
-    "0xDF2cf3eE3E4E36490F5f942372fF4c975040bBd0",
-    "0xdD9720aBe15CD07cc2BF9213C1f08CFf1AE0b37D",
-    "0xD7FB4128F5451f88A5e525ef5303d714633435A7",
-    "0xf5c5C8cC784C8183316f4d1f0E50c46DF45920c8",
-    "0x9923f67774A4250bf2B2eA34Da9cBbc6aBd98caD",
-    "0xe40701772cCBA7a515CE557c3eaeB4B29B92C71e"
-]
-
-async function test() {
-    const transferAmount = hre.ethers.parseEther("100000");
-    const signer = new hre.ethers.Wallet(process.env.DEPLOY_PRIVATE_KEY, hre.ethers.provider);
-
-    const chainId = await hre.ethers.provider.getNetwork().then(network => network.chainId);
-
-    var nonce = await hre.ethers.provider.getTransactionCount(signer.address)
-    for (let i = 0; i < addrlist.length; i++) {
-        const signedTx = await signer.signTransaction({
-            type: 0,
-            chainId: chainId,
-            nonce: nonce + i,
-            to: addrlist[i],
-            data: '',
-            value: transferAmount,
-            gasLimit: 210000,
-            gasPrice: hre.ethers.parseUnits("1", "gwei"),
-        });
-
-        // 发送交易
-        const txResponse = await hre.ethers.provider.broadcastTransaction(signedTx);
-        console.log("Transaction sent to:", addrlist[i], " tx hash:", txResponse.hash);
-    }
-
-
-    console.log("All transactions sent.");
-}
-
-// Define the script
-async function main() {
-    await test()
-}
-
-// Run the script
-main().catch((error) => {
-    console.error("Error:", error);
-});
\ No newline at end of file

scripts/specialnonce.js

-const { ContractFactory } = require("ethers");
-const hre = require("hardhat");
-
-
-async function test() {
-    const signer = new hre.ethers.Wallet(process.env.DEPLOY_PRIVATE_KEY, hre.ethers.provider);
-    const transferAmount = hre.ethers.parseEther("0.0005");
-
-    var nonce = await hre.ethers.provider.getTransactionCount(signer.address)
-    nonce = 27;
-    const signedTx = await signer.signTransaction({
-        type: 0,
-        chainId: 100,
-        nonce: nonce,
-        to: "0x88395111AB1586a4030dAC62a183542762929bbC", // first
-        // to: "0x6ddb3A03366e218956483A840D8BfB490ADE1beB", // second
-        data: '',
-        value: transferAmount,
-        gasLimit: 1000000,
-        gasPrice: hre.ethers.parseUnits("1", "gwei"),
-    });
-
-    // 发送交易
-    const txResponse = await hre.ethers.provider.broadcastTransaction(signedTx);
-    console.log("Transaction sent:", txResponse.hash);
-}
-
-// Define the script
-async function main() {
-    await test()
-}
-
-// Run the script
-main().catch((error) => {
-    console.error("Error:", error);
-});
\ No newline at end of file

scripts/stress.js

+const hre = require("hardhat");
+const { ethers } = hre;
+
+// Stress test script: sends contract transactions at a target rate (txs/sec).
+// Usage examples:
+//  DEPLOY_PRIVATE_KEY=... TOKEN_ADDRESS=0x... TPS=20 DURATION_SECONDS=60 node scripts/stress.js
+//  DEPLOY_PRIVATE_KEY=... DEPLOY_TOKEN=true TPS=50 DURATION_SECONDS=30 node scripts/stress.js
+//  CONTRACT_TYPE=complex DEPLOY_PRIVATE_KEY=... TPS=20 DURATION_SECONDS=60 node scripts/stress.js
+
+async function main() {
+  const tps = parseInt(process.env.TPS, 10) || 20; // transactions per second
+  const durationSeconds = parseInt(process.env.DURATION_SECONDS, 10) || 60; // how long to run
+  const deployTokenIfMissing = process.env.DEPLOY_TOKEN !== 'false';
+  let tokenAddr = process.env.TOKEN_ADDRESS || '';
+  const contractType = (process.env.CONTRACT_TYPE || 'complex').toLowerCase(); // 'simple' or 'complex'
+
+  const privateKey = process.env.DEPLOY_PRIVATE_KEY;
+  // If no private key provided and we're running inside Hardhat (npx hardhat run),
+  // we can use the provider's unlocked signer (signer[0]) which is pre-funded.
+  const useProviderSigner = !privateKey;
+
+  // Deploy a simple PublicToken if no token address provided
+  if (!tokenAddr) {
+    if (!deployTokenIfMissing) {
+      console.error('No TOKEN_ADDRESS provided and DEPLOY_TOKEN is false. Exiting.');
+      process.exit(1);
+    }
+    if (contractType === 'complex') {
+      console.log('No TOKEN_ADDRESS provided — deploying a new ComplexToken...');
+      const tokenFactory = await ethers.getContractFactory('ComplexToken');
+      const tokenContract = await tokenFactory.deploy('ComplexToken', 'CPLX');
+      await tokenContract.waitForDeployment();
+      tokenAddr = await tokenContract.getAddress();
+      console.log('Deployed ComplexToken at', tokenAddr);
+    } else {
+      console.log('No TOKEN_ADDRESS provided — deploying a new PublicToken...');
+      const tokenFactory = await ethers.getContractFactory('PublicToken');
+      const tokenContract = await tokenFactory.deploy();
+      await tokenContract.waitForDeployment();
+      tokenAddr = await tokenContract.getAddress();
+      console.log('Deployed PublicToken at', tokenAddr);
+    }
+  } else {
+    console.log('Using token at', tokenAddr);
+  }
+
+  let signer;
+  let chainId = await ethers.provider.getNetwork().then(n => n.chainId);
+  let startNonce = undefined;
+  if (useProviderSigner) {
+    signer = ethers.provider.getSigner(0);
+    const addr = await signer.getAddress();
+    console.log('Using provider signer (no DEPLOY_PRIVATE_KEY). signer=', addr);
+    // when using provider signer, we will not manually manage nonces; provider handles it
+  } else {
+    signer = new ethers.Wallet(privateKey, ethers.provider);
+    startNonce = await ethers.provider.getTransactionCount(signer.address, 'pending');
+    console.log('Using wallet signer', signer.address, 'startNonce=', startNonce);
+  }
+
+  // Prepare interface for mint(address,uint256)
+  let iface;
+  let mintAmount = ethers.parseEther('1.0');
+  if (contractType === 'complex') {
+    const abi = ["function heavyOperation(address[] targets, uint256[] amounts) external"];
+    iface = new ethers.Interface(abi);
+    console.log('Configured to call ComplexToken.heavyOperation for each tx');
+  } else {
+    const abi = ["function mint(address to, uint256 amount) external"];
+    iface = new ethers.Interface(abi);
+    console.log('Configured to call PublicToken.mint for each tx');
+  }
+
+  // Pre-generate a set of recipient addresses to vary targets
+  const recipients = Array.from({ length: Math.max(100, tps * 5) }, () => ethers.Wallet.createRandom().address);
+
+  // Start nonce when using wallet signer; provider signer will auto-manage nonce
+  let nonce = startNonce;
+  try {
+    const signerAddress = useProviderSigner ? await signer.getAddress() : signer.address;
+    console.log('Starting stress test: TPS=%d, duration=%ds, signer=%s, startNonce=%s', tps, durationSeconds, signerAddress, nonce === undefined ? 'auto' : nonce);
+  } catch (e) {
+    console.log('Starting stress test');
+  }
+
+  const stopAt = Date.now() + durationSeconds * 1000;
+  let totalSent = 0;
+  const batchIntervalMs = 1000; // send batches every second
+
+  // Helper sleep
+  const sleep = (ms) => new Promise((r) => setTimeout(r, ms));
+
+  while (Date.now() < stopAt) {
+    const batchStart = Date.now();
+    // Target interval between transactions (ms). If TPS is high, this can be 0.
+    const perTxInterval = Math.floor(1000 / tps);
+
+    for (let i = 0; i < tps; i++) {
+      if (Date.now() >= stopAt) break;
+      const recipient = recipients[(totalSent + i) % recipients.length];
+      let data;
+      if (contractType === 'complex') {
+        // build arrays for heavyOperation to exercise state changes
+        const targets = [recipient, recipients[(totalSent + i + 1) % recipients.length], recipients[(totalSent + i + 2) % recipients.length]];
+        const amounts = [ethers.parseEther('0.1'), ethers.parseEther('0.05'), ethers.parseEther('0.02')];
+        data = iface.encodeFunctionData('heavyOperation', [targets, amounts]);
+      } else {
+        data = iface.encodeFunctionData('mint', [recipient, mintAmount]);
+      }
+
+      const baseTx = {
+        to: tokenAddr,
+        data: data,
+        value: 0,
+        gasLimit: 500000,
+        gasPrice: ethers.parseUnits('1', 'gwei'),
+      };
+      let tx = Object.assign({}, baseTx);
+      if (!useProviderSigner) {
+        tx = Object.assign(tx, { nonce: nonce++, chainId: chainId, type: 0 });
+      }
+
+      const sendStart = Date.now();
+      try {
+        if (useProviderSigner) {
+          const res = await signer.sendTransaction(tx);
+          console.log('sent tx', res.hash);
+        } else {
+          const signed = await signer.signTransaction(tx);
+          const res = await ethers.provider.broadcastTransaction(signed);
+          console.log('broadcasted', res.hash, 'nonce', tx.nonce);
+        }
+      } catch (err) {
+        console.error('tx send/broadcast error (nonce=' + (tx.nonce ? tx.nonce : 'n/a') + '):', err && err.message ? err.message : err);
+      }
+
+      totalSent += 1;
+      // pace to target TPS
+      const elapsedTx = Date.now() - sendStart;
+      const waitFor = Math.max(0, perTxInterval - elapsedTx);
+      if (waitFor > 0) await sleep(waitFor);
+    }
+
+    // Sleep until the next second boundary if we finished early
+    const elapsed = Date.now() - batchStart;
+    const waitNext = Math.max(0, batchIntervalMs - elapsed);
+    if (waitNext > 0) await sleep(waitNext);
+  }
+
+  console.log('Stress test finished. Total txs attempted:', totalSent);
+}
+
+main().catch(err => {
+  console.error('Fatal error in stress script:', err);
+  process.exit(1);
+});

scripts/swaptoken.js

-const { ContractFactory } = require("ethers");
-const hre = require("hardhat");
-
-async function getTokenInfo(contract) {
-    const name = await contract.name();
-    console.log("Token Name:", name);
-    const symbol = await contract.symbol();
-    const totalSupply = await contract.totalSupply();
-
-    console.log("Token Symbol:", symbol);
-    console.log("Total Supply:", totalSupply.toString());
-}
-
-// Define the script
-async function main() {
-
-    // Deploy the contract
-    const factory =  await hre.ethers.getContractFactory(
-        "TestToken"
-    );
-    {
-        const contract = await factory.deploy("TestTokenAlice", "TTA");
-        await contract.waitForDeployment();
-        const depAddr = await contract.getAddress();
-        console.log("TTA deployed at:", depAddr);
-        await getTokenInfo(contract);
-
-    }
-    {
-        const contract = await factory.deploy("TestTokenBob", "TTB");
-        await contract.waitForDeployment();
-        const depAddr = await contract.getAddress();
-        console.log("TTB deployed at:", depAddr);
-        await getTokenInfo(contract);
-
-    }
-    {
-        const contract = await factory.deploy("TestTokenCharlie", "TTC");
-        await contract.waitForDeployment();
-        const depAddr = await contract.getAddress();
-        console.log("TTC deployed at:", depAddr);
-        await getTokenInfo(contract);
-
-    }
-    {
-        const contract = await factory.deploy("TestTokenDoody", "TTD");
-        await contract.waitForDeployment();
-        const depAddr = await contract.getAddress();
-        console.log("TTD deployed at:", depAddr);
-        await getTokenInfo(contract);
-
-    }
-}
-
-// Run the script
-main().catch((error) => {
-    console.error("Error:", error);
-});
\ No newline at end of file

scripts/testabi.js

-const { ContractFactory } = require("ethers");
-const hre = require("hardhat");
-const {ethers} = require("hardhat");
-
-async function deploy() {
-    [owner] = await ethers.getSigners();
-    // Deploy the contract
-    const factory =  await hre.ethers.getContractFactory(
-        "TestAbi"
-    );
-    const contract = await factory.deploy(owner.address);
-    await contract.waitForDeployment();
-    const depAddr = await contract.getAddress();
-    console.log("Contract deployed for mova at:", depAddr);
-
-    const params = {
-        toChainID: 2,
-        receiver: "0x000000000000000000000000000000000000dead",
-        token: "0x000000000000000000000000000000000000beef",
-        amount: hre.ethers.parseEther("10"),
-        outId: 1,
-        fromChainID: 1,
-        sender: "0x000000000000000000000000000000000000cafe",
-        sendToken: "0x000000000000000000000000000000000000babe",
-        sendAmount: hre.ethers.parseEther("10"),
-        signature: "0x000000000000000000000000000000000000babe000000000000000000000000",
-    };
-    const tx = await contract.getSubmitData(params);
-    console.log("Computed hash:", tx);
-}
-async function initForMovaChain(bridge) {
-    await addValidators(bridge, initialValidators);
-}
-
-// Define the script
-async function main() {
-    await deploy();
-}
-
-// Run the script
-main().catch((error) => {
-    console.error("Error:", error);
-});
\ No newline at end of file

scripts/testevm.js

-const { ContractFactory } = require("ethers");
-const hre = require("hardhat");
-
-
-async function test() {
-    const signer = new hre.ethers.Wallet(process.env.DEPLOY_PRIVATE_KEY, hre.ethers.provider);
-    const chainId = await hre.ethers.provider.getNetwork().then(network => network.chainId);
-
-    const TestMCOPY = await ethers.getContractFactory("TestMCOPY");
-    testMCOPY = await TestMCOPY.deploy();
-    await testMCOPY.waitForDeployment();
-    console.log("Deployed TestMCOPY at address:", testMCOPY.target);
-
-    console.log("Calling TestMCOPY.testExplicitMCopy()");
-    const result = await testMCOPY.testExplicitMCopy();
-    console.log("Result:", result);
-
-    const TTest = await ethers.getContractFactory("TTest");
-    ttest = await TTest.deploy();
-    await ttest.waitForDeployment();
-    console.log("Deployed TTest at address:", ttest.target);
-
-    try {
-        console.log("Calling TTest.testBASEFEE()");
-        const basefee = await ttest.testBASEFEE();
-        console.log("Result:", basefee.toString());
-    } catch (error) {
-        console.error("Error calling testBASEFEE:", error.message);
-    }
-
-    try {
-        console.log("Calling TTest.testPREVRANDAO()");
-        const prevrandao = await ttest.testPREVRANDAO();
-        console.log("Result:", prevrandao.toString());
-
-    } catch (error) {
-        console.error("Error calling testPREVRANDAO:", error.message);
-    }
-
-
-
-    try {
-        console.log("Calling TTest.testBLOBHASH()");
-        const blobhash = await ttest.testBLOBHASH();
-        console.log("Result:", blobhash);
-    } catch (error) {
-        console.error("Error calling testBLOBHASH:", error.message);
-    }
-
-    try {
-        console.log("Calling TTest.testBLOBFEE()");
-        const blobfee = await ttest.testBLOBFEE();
-        console.log("Result:", blobfee.toString());
-    } catch (error) {
-        console.error("Error calling test:", error.message);
-    }
-
-    try {
-        console.log("Calling TTest.test()");
-        const tx = await ttest.test();
-        await tx.wait();
-        console.log("TTest.test() called successfully");
-    } catch (error) {
-        console.error("Error calling test:", error.message);
-    }
-}
-
-// Define the script
-async function main() {
-    await test()
-}
-
-// Run the script
-main().catch((error) => {
-    console.error("Error:", error);
-});
\ No newline at end of file

scripts/token.js

-const { ContractFactory } = require("ethers");
-const hre = require("hardhat");
-
-async function getTokenInfo(contract) {
-    const name = await contract.name();
-    console.log("Token Name:", name);
-    const symbol = await contract.symbol();
-    const totalSupply = await contract.totalSupply();
-
-    console.log("Token Symbol:", symbol);
-    console.log("Total Supply:", totalSupply.toString());
-}
-
-// Define the script
-async function main() {
-
-    // Deploy the contract
-    const factory =  await hre.ethers.getContractFactory(
-        "PublicToken"
-    );
-    // const contract = await factory.deploy({ value: hre.ethers.parseEther("0.0008") });
-    const contract = await factory.deploy();
-    await contract.waitForDeployment();
-    const depAddr = await contract.getAddress();
-    console.log("Contract deployed at:", depAddr);
-    await getTokenInfo(contract);
-    // const minttx = await contract.mint('0x88395111AB1586a4030dAC62a183542762929bbC', 10000);
-    // console.log("mint tx:", minttx.hash);
-
-
-}
-
-// Run the script
-main().catch((error) => {
-    console.error("Error:", error);
-});
\ No newline at end of file

scripts/wmova.js

-const { ContractFactory } = require("ethers");
-const hre = require("hardhat");
-
-// Define the script
-async function main() {
-
-    // Deploy the contract
-    const factory =  await hre.ethers.getContractFactory(
-        "WMDD"
-    );
-    const contract = await factory.deploy();
-    await contract.waitForDeployment();
-    const depAddr = await contract.getAddress();
-    console.log("Contract deployed at:", depAddr);
-}
-
-// Run the script
-main().catch((error) => {
-    console.error("Error:", error);
-});
\ No newline at end of file