Create BankingContract.sol

banking/BankingContract.sol

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+pragma solidity ^0.8.0;
+
+import "https://github.com/OpenZeppelin/openzeppelin-solidity/contracts/access/Roles.sol";
+import "https://github.com/OpenZeppelin/openzeppelin-solidity/contracts/access/AccessControl.sol";
+import "https://github.com/OpenZeppelin/openzeppelin-solidity/contracts/token/ERC20/SafeERC20.sol";
+import "https://github.com/uport-project/erc725/blob/master/contracts/ERC725.sol";
+
+contract BankingContract {
+    // Mapping of user addresses to their respective identities
+    mapping (address => ERC725.Identity) public identities;
+
+    // Mapping of asset addresses to their respective balances
+    mapping (address => mapping (address => uint256)) public balances;
+
+    // Mapping of escrow contracts to their respective transactions
+    mapping (address => mapping (uint256 => EscrowTransaction)) public escrows;
+
+    // Event emitted when a user creates a new identity
+    event NewIdentity(address indexed user, ERC725.Identity identity);
+
+    // Event emitted when a user deposits an asset
+    event Deposit(address indexed user, address indexed asset, uint256 amount);
+
+    // Event emitted when a user withdraws an asset
+    event Withdrawal(address indexed user, address indexed asset, uint256 amount);
+
+    // Event emitted when an escrow transaction is created
+    event EscrowCreated(address indexed user, uint256 transactionId, address asset, uint256 amount);
+
+    // Event emitted when an escrow transaction is resolved
+    event EscrowResolved(address indexed user, uint256 transactionId, address asset, uint256 amount);
+
+    // Role definitions
+    enum Role { ADMIN, USER, ESCROW_AGENT }
+
+    // Access control
+    Roles.Role[] public roles;
+
+    // Constructor
+    constructor() public {
+        roles.push(Role.ADMIN);
+        roles.push(Role.USER);
+        roles.push(Role.ESCROW_AGENT);
+    }
+
+    // Create a new identity for a user
+    function createIdentity(ERC725.Identity _identity) public {
+        identities[msg.sender] = _identity;
+        emit NewIdentity(msg.sender, _identity);
+    }
+
+    // Deposit an asset into a user's account
+    function deposit(address _asset, uint256 _amount) public {
+        balances[msg.sender][_asset] += _amount;
+        emit Deposit(msg.sender, _asset, _amount);
+    }
+
+    // Withdraw an asset from a user's account
+    function withdraw(address _asset, uint256 _amount) public {
+        require(balances[msg.sender][_asset] >= _amount, "Insufficient balance");
+        balances[msg.sender][_asset] -= _amount;
+        emit Withdrawal(msg.sender, _asset, _amount);
+    }
+
+    // Create a new escrow transaction
+    function createEscrow(address _asset, uint256 _amount, address _counterparty) public {
+        uint256 transactionId = uint256(keccak256(abi.encodePacked(_asset, _amount, _counterparty)));
+        escrows[msg.sender][transactionId] = EscrowTransaction(_asset, _amount, _counterparty);
+        emit EscrowCreated(msg.sender, transactionId, _asset, _amount);
+    }
+
+    // Resolve an escrow transaction
+    function resolveEscrow(uint256 _transactionId) public {
+        EscrowTransaction storage escrow = escrows[msg.sender][_transactionId];
+        require(escrow.asset != address(0), "Escrow transaction not found");
+        balances[msg.sender][escrow.asset] += escrow.amount;
+        emit EscrowResolved(msg.sender, _transactionId, escrow.asset, escrow.amount);
+    }
+
+    // Machine learning-based risk assessment and anomaly detection
+    function assessRisk(address _user, address _asset, uint256 _amount) internal {
+        // TO-DO: Implement risk assessment logic
+    }
+
+    // AML and KYC checks
+    function performAMLKYC(address _user) internal {
+        // TO-DO: Implement AML and KYC checks
+    }
+}
+
+// EscrowTransaction struct
+struct EscrowTransaction {
+    address asset;
+    uint256 amount;
+    address counterparty;
+}