Spaces:
Build error
Build error
File size: 3,503 Bytes
1295969 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 | // SPDX-License-Identifier: MIT OR Apache-2.0
pragma solidity >=0.8.13 <0.9.0;
import {IERC165} from "./IERC165.sol";
/// @dev Required interface of an ERC-6909 compliant contract, as defined in
/// https://eips.ethereum.org/EIPS/eip-6909
interface IERC6909 is IERC165 {
/// @dev Emitted when the allowance of a `spender` for an `owner` is set for a token of type `id`.
event Approval(address indexed owner, address indexed spender, uint256 indexed id, uint256 amount);
/// @dev Emitted when `owner` grants or revokes operator status for a `spender`.
event OperatorSet(address indexed owner, address indexed spender, bool approved);
/// @dev Emitted when `amount` tokens of type `id` are moved from `sender` to `receiver` initiated by `caller`.
event Transfer(
address caller, address indexed sender, address indexed receiver, uint256 indexed id, uint256 amount
);
///@dev Returns the amount of tokens of type `id` owned by `owner`.
function balanceOf(address owner, uint256 id) external view returns (uint256);
/// @dev Returns the amount of tokens of type `id` that `spender` is allowed to spend on behalf of `owner`.
/// NOTE: Does not include operator allowances.
function allowance(address owner, address spender, uint256 id) external view returns (uint256);
/// @dev Returns true if `spender` is set as an operator for `owner`.
function isOperator(address owner, address spender) external view returns (bool);
/// @dev Sets an approval to `spender` for `amount` tokens of type `id` from the caller's tokens.
/// Must return true.
function approve(address spender, uint256 id, uint256 amount) external returns (bool);
/// @dev Grants or revokes unlimited transfer permission of any token id to `spender` for the caller's tokens.
/// Must return true.
function setOperator(address spender, bool approved) external returns (bool);
/// @dev Transfers `amount` of token type `id` from the caller's account to `receiver`.
/// Must return true.
function transfer(address receiver, uint256 id, uint256 amount) external returns (bool);
/// @dev Transfers `amount` of token type `id` from `sender` to `receiver`.
/// Must return true.
function transferFrom(address sender, address receiver, uint256 id, uint256 amount) external returns (bool);
}
/// @dev Optional extension of {IERC6909} that adds metadata functions.
interface IERC6909Metadata is IERC6909 {
/// @dev Returns the name of the token of type `id`.
function name(uint256 id) external view returns (string memory);
/// @dev Returns the ticker symbol of the token of type `id`.
function symbol(uint256 id) external view returns (string memory);
/// @dev Returns the number of decimals for the token of type `id`.
function decimals(uint256 id) external view returns (uint8);
}
/// @dev Optional extension of {IERC6909} that adds content URI functions.
interface IERC6909ContentURI is IERC6909 {
/// @dev Returns URI for the contract.
function contractURI() external view returns (string memory);
/// @dev Returns the URI for the token of type `id`.
function tokenURI(uint256 id) external view returns (string memory);
}
/// @dev Optional extension of {IERC6909} that adds a token supply function.
interface IERC6909TokenSupply is IERC6909 {
/// @dev Returns the total supply of the token of type `id`.
function totalSupply(uint256 id) external view returns (uint256);
}
|