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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,79 @@ | ||
| // SPDX-License-Identifier: MIT | ||
| // OpenZeppelin Contracts (last updated v5.1.0) (token/ERC20/IERC20.sol) | ||
|
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| pragma solidity ^0.8.15; | ||
|
|
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| /** | ||
| * @dev Interface of the ERC-20 standard as defined in the ERC. | ||
| */ | ||
| interface IERC20 { | ||
| /** | ||
| * @dev Emitted when `value` tokens are moved from one account (`from`) to | ||
| * another (`to`). | ||
| * | ||
| * Note that `value` may be zero. | ||
| */ | ||
| event Transfer(address indexed from, address indexed to, uint256 value); | ||
|
|
||
| /** | ||
| * @dev Emitted when the allowance of a `spender` for an `owner` is set by | ||
| * a call to {approve}. `value` is the new allowance. | ||
| */ | ||
| event Approval(address indexed owner, address indexed spender, uint256 value); | ||
|
|
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| /** | ||
| * @dev Returns the value of tokens in existence. | ||
| */ | ||
| function totalSupply() external view returns (uint256); | ||
|
|
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| /** | ||
| * @dev Returns the value of tokens owned by `account`. | ||
| */ | ||
| function balanceOf(address account) external view returns (uint256); | ||
|
|
||
| /** | ||
| * @dev Moves a `value` amount of tokens from the caller's account to `to`. | ||
| * | ||
| * Returns a boolean value indicating whether the operation succeeded. | ||
| * | ||
| * Emits a {Transfer} event. | ||
| */ | ||
| function transfer(address to, uint256 value) external returns (bool); | ||
|
|
||
| /** | ||
| * @dev Returns the remaining number of tokens that `spender` will be | ||
| * allowed to spend on behalf of `owner` through {transferFrom}. This is | ||
| * zero by default. | ||
| * | ||
| * This value changes when {approve} or {transferFrom} are called. | ||
| */ | ||
| function allowance(address owner, address spender) external view returns (uint256); | ||
|
|
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| /** | ||
| * @dev Sets a `value` amount of tokens as the allowance of `spender` over the | ||
| * caller's tokens. | ||
| * | ||
| * Returns a boolean value indicating whether the operation succeeded. | ||
| * | ||
| * IMPORTANT: Beware that changing an allowance with this method brings the risk | ||
| * that someone may use both the old and the new allowance by unfortunate | ||
| * transaction ordering. One possible solution to mitigate this race | ||
| * condition is to first reduce the spender's allowance to 0 and set the | ||
| * desired value afterwards: | ||
| * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 | ||
| * | ||
| * Emits an {Approval} event. | ||
| */ | ||
| function approve(address spender, uint256 value) external returns (bool); | ||
|
|
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| /** | ||
| * @dev Moves a `value` amount of tokens from `from` to `to` using the | ||
| * allowance mechanism. `value` is then deducted from the caller's | ||
| * allowance. | ||
| * | ||
| * Returns a boolean value indicating whether the operation succeeded. | ||
| * | ||
| * Emits a {Transfer} event. | ||
| */ | ||
| function transferFrom(address from, address to, uint256 value) external returns (bool); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,26 @@ | ||
| // SPDX-License-Identifier: MIT | ||
| // OpenZeppelin Contracts (last updated v5.1.0) (token/ERC20/extensions/IERC20Metadata.sol) | ||
|
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| pragma solidity ^0.8.15; | ||
|
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| import {IERC20} from "./IERC20.sol"; | ||
|
|
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| /** | ||
| * @dev Interface for the optional metadata functions from the ERC-20 standard. | ||
| */ | ||
| interface IERC20Metadata is IERC20 { | ||
| /** | ||
| * @dev Returns the name of the token. | ||
| */ | ||
| function name() external view returns (string memory); | ||
|
|
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| /** | ||
| * @dev Returns the symbol of the token. | ||
| */ | ||
| function symbol() external view returns (string memory); | ||
|
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| /** | ||
| * @dev Returns the decimals places of the token. | ||
| */ | ||
| function decimals() external view returns (uint8); | ||
| } |
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