pragma solidity ^0.8.0;

interface ERC1363 is ERC20, ERC165 {
  /*
   * Note: the ERC-165 identifier for this interface is 0xb0202a11.
   * 0xb0202a11 ===
   *   bytes4(keccak256('transferAndCall(address,uint256)')) ^
   *   bytes4(keccak256('transferAndCall(address,uint256,bytes)')) ^
   *   bytes4(keccak256('transferFromAndCall(address,address,uint256)')) ^
   *   bytes4(keccak256('transferFromAndCall(address,address,uint256,bytes)')) ^
   *   bytes4(keccak256('approveAndCall(address,uint256)')) ^
   *   bytes4(keccak256('approveAndCall(address,uint256,bytes)'))
   */

  /**
   * @notice Transfer tokens from `msg.sender` to another address and then call `onTransferReceived` on receiver
   * @param to address The address which you want to transfer to
   * @param amount uint256 The amount of tokens to be transferred
   * @return true unless throwing
   */
  function transferAndCall(address to, uint256 amount) external returns (bool);

  /**
   * @notice Transfer tokens from `msg.sender` to another address and then call `onTransferReceived` on receiver
   * @param to address The address which you want to transfer to
   * @param amount uint256 The amount of tokens to be transferred
   * @param data bytes Additional data with no specified format, sent in call to `to`
   * @return true unless throwing
   */
  function transferAndCall(address to, uint256 amount, bytes memory data) external returns (bool);

  /**
   * @notice Transfer tokens from one address to another and then call `onTransferReceived` on receiver
   * @param sender address The address which you want to send tokens from
   * @param to address The address which you want to transfer to
   * @param amount uint256 The amount of tokens to be transferred
   * @return true unless throwing
   */
  function transferFromAndCall(address sender, address to, uint256 amount) external returns (bool);


  /**
   * @notice Transfer tokens from one address to another and then call `onTransferReceived` on receiver
   * @param sender address The address which you want to send tokens from
   * @param to address The address which you want to transfer to
   * @param amount uint256 The amount of tokens to be transferred
   * @param data bytes Additional data with no specified format, sent in call to `to`
   * @return true unless throwing
   */
  function transferFromAndCall(address sender, address to, uint256 amount, bytes memory data) external returns (bool);

  /**
   * @notice Approve the passed address to spend the specified amount of tokens on behalf of msg.sender
   * and then call `onApprovalReceived` on spender.
   * @param spender address The address which will spend the funds
   * @param amount uint256 The amount of tokens to be spent
   */
  function approveAndCall(address spender, uint256 amount) external returns (bool);

  /**
   * @notice Approve the passed address to spend the specified amount of tokens on behalf of msg.sender
   * and then call `onApprovalReceived` on spender.
   * @param spender address The address which will spend the funds
   * @param amount uint256 The amount of tokens to be spent
   * @param data bytes Additional data with no specified format, sent in call to `spender`
   */
  function approveAndCall(address spender, uint256 amount, bytes memory data) external returns (bool);
}

interface ERC20 {
  function totalSupply() external view returns (uint256);
  function balanceOf(address account) external view returns (uint256);
  function transfer(address recipient, uint256 amount) external returns (bool);
  function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
  function allowance(address owner, address spender) external view returns (uint256);
  function approve(address spender, uint256 amount) external returns (bool);
  event Transfer(address indexed from, address indexed to, uint256 value);
  event Approval(address indexed owner, address indexed spender, uint256 value);
}

interface ERC165 {
  function supportsInterface(bytes4 interfaceId) external view returns (bool);
}

/**
 * @title ERC1363Receiver interface
 * @dev Interface for any contract that wants to support `transferAndCall` or `transferFromAndCall`
 *  from ERC1363 token contracts.
 */
interface ERC1363Receiver {
  /*
   * Note: the ERC-165 identifier for this interface is 0x88a7ca5c.
   * 0x88a7ca5c === bytes4(keccak256("onTransferReceived(address,address,uint256,bytes)"))
   */

  /**
   * @notice Handle the receipt of ERC1363 tokens
   * @dev Any ERC1363 smart contract calls this function on the recipient
   * after a `transfer` or a `transferFrom`. This function MAY throw to revert and reject the
   * transfer. Return of other than the magic value MUST result in the
   * transaction being reverted.
   * Note: the token contract address is always the message sender.
   * @param spender address The address which called `transferAndCall` or `transferFromAndCall` function
   * @param sender address The address which are token transferred from
   * @param amount uint256 The amount of tokens transferred
   * @param data bytes Additional data with no specified format
   * @return `bytes4(keccak256("onTransferReceived(address,address,uint256,bytes)"))`
   *  unless throwing
   */
  function onTransferReceived(address spender, address sender, uint256 amount, bytes memory data) external returns (bytes4);
}

/**
 * @title ERC1363Spender interface
 * @dev Interface for any contract that wants to support `approveAndCall`
 *  from ERC1363 token contracts.
 */
interface ERC1363Spender {
  /*
   * Note: the ERC-165 identifier for this interface is 0x7b04a2d0.
   * 0x7b04a2d0 === bytes4(keccak256("onApprovalReceived(address,uint256,bytes)"))
   */

  /**
   * @notice Handle the approval of ERC1363 tokens
   * @dev Any ERC1363 smart contract calls this function on the recipient
   * after an `approve`. This function MAY throw to revert and reject the
   * approval. Return of other than the magic value MUST result in the
   * transaction being reverted.
   * Note: the token contract address is always the message sender.
   * @param sender address The address which called `approveAndCall` function
   * @param amount uint256 The amount of tokens to be spent
   * @param data bytes Additional data with no specified format
   * @return `bytes4(keccak256("onApprovalReceived(address,uint256,bytes)"))`
   *  unless throwing
   */
  function onApprovalReceived(address sender, uint256 amount, bytes memory data) external returns (bytes4);
}