feat: add basic erc20

Author: shottah

contracts/Lock.sol

@@ -0,0 +1,49 @@
+// SPDX-License-Identifier: UNLICENSED
+pragma solidity >=0.8.9;
+
+import "@openzeppelin/contracts/access/Ownable.sol" as Ownable;
+import "@openzeppelin/contracts/utils/Pausable.sol" as Pausable;
+import "@openzeppelin/contracts/token/ERC20/ERC20.sol" as ERC20;
+
+/// @title Kolektivo TTD Token
+/// @author wasteofintel.eth
+/// @notice This its the ERC20 representing a collateralized
+/// TTD stable coin of the Trinidad & Tobago Dollar by the
+/// Kolektivo Project.
+/// @dev This contract is Ownable to allow minting by an
+/// authorized signatory. It is also Pausable to control
+/// flow of tokens during an initial gathering phase.
+contract KolektivoTTD is Ownable, Pausable {
+    uint256 private perUserFaucetLimit = 1 ether;
+
+    constructor() ERC20("Kolektivo TTD", "KTTD") {
+        init();
+    }
+
+    /// @notice Disburse tokens to an account.
+    /// @dev Only the owner can disburse tokens.
+    /// @param address account to be disbursed tokens
+    /// @param uint256 amount of tokens to be disbursed
+    function mint(address account, uint256 amount) public onlyOwner {
+        if (ERC20.balanceOf(account) < perUserFaucetLimit) {
+            revert FaucetDripLimitReached();
+        }
+        _mint(account, amount);
+    }
+
+    /// @notice Transfers tokens from the sender to the recipient.
+    /// @dev Internal accounting for managing sender / recipient balances
+    /// this logic is pausable to incentivice the accumulation phase.
+    /// @param address Sender's address
+    /// @param address Recipient's address
+    /// @param uint256 Amount of tokens to transfer
+    function _transfer(address sender, address recipient, uint256 amount) internal override whenNotPaused {
+        super._transfer(sender, recipient, amount);
+    }
+
+    /// @notice This account has reached the maximum threshold to be
+    /// dripped any more tokens.
+    /// @dev The maximum drip limit is controlled by _faucetLimit
+    /// and is not configurable.
+    error FaucetDripLimitReached();
+}

contracts/Token.sol

@@ -75,5 +75,8 @@
     "task:withdraw": "hardhat task:withdraw",
     "test": "hardhat test",
     "typechain": "cross-env TS_NODE_TRANSPILE_ONLY=true hardhat typechain"
+  },
+  "dependencies": {
+    "@openzeppelin/contracts": "^5.0.1"
   }
 }