Create pi_network_module_2: Token.sol

blockchain_integration/pi_network/features/pi_network_smart_contract_architecture/pi_network_module_2: Token.sol

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+pragma solidity ^0.8.0;
+
+import "https://github.com/OpenZeppelin/openzeppelin-solidity/contracts/token/ERC20/SafeERC20.sol";
+
+contract Token {
+    using SafeERC20 for address;
+
+    // Mapping of token balances
+    mapping (address => uint256) public balances;
+
+    // Total supply of tokens
+    uint256 public totalSupply;
+
+    // Event emitted when tokens are transferred
+    event Transfer(address indexed from, address indexed to, uint256 value);
+
+    // Function to transfer tokens
+    function transfer(address _to, uint256 _value) public {
+        require(balances[msg.sender] >= _value, "Insufficient balance");
+        balances[msg.sender] -= _value;
+        balances[_to] += _value;
+        emit Transfer(msg.sender, _to, _value);
+    }
+
+    // Function to mint new tokens
+    function mint(address _to, uint256 _value) public onlyAdmin {
+        totalSupply += _value;
+        balances[_to] += _value;
+        emit Transfer(address(0), _to, _value);
+    }
+
+    // Function to burn tokens
+    function burn(uint256 _value) public {
+        require(balances[msg.sender] >= _value, "Insufficient balance");
+        balances[msg.sender] -= _value;
+        totalSupply -= _value;
+        emit Transfer(msg.sender, address(0), _value);
+    }
+}