dsa-connectors/contracts/arbitrum/connectors/uniswap-sell-beta/libraries/IERC20Minimal.sol

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2021-11-19 08:29:07 +00:00
// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity >=0.5.0;
/// @title Minimal ERC20 interface for Uniswap
/// @notice Contains a subset of the full ERC20 interface that is used in Uniswap V3
interface IERC20Minimal {
/// @notice Returns the balance of a token
/// @param account The account for which to look up the number of tokens it has, i.e. its balance
/// @return The number of tokens held by the account
function balanceOf(address account) external view returns (uint256);
/// @notice Transfers the amount of token from the `msg.sender` to the recipient
/// @param recipient The account that will receive the amount transferred
/// @param amount The number of tokens to send from the sender to the recipient
/// @return Returns true for a successful transfer, false for an unsuccessful transfer
function transfer(address recipient, uint256 amount)
external
returns (bool);
/// @notice Returns the current allowance given to a spender by an owner
/// @param owner The account of the token owner
/// @param spender The account of the token spender
/// @return The current allowance granted by `owner` to `spender`
function allowance(address owner, address spender)
external
view
returns (uint256);
/// @notice Sets the allowance of a spender from the `msg.sender` to the value `amount`
/// @param spender The account which will be allowed to spend a given amount of the owners tokens
/// @param amount The amount of tokens allowed to be used by `spender`
/// @return Returns true for a successful approval, false for unsuccessful
function approve(address spender, uint256 amount) external returns (bool);
/// @notice Transfers `amount` tokens from `sender` to `recipient` up to the allowance given to the `msg.sender`
/// @param sender The account from which the transfer will be initiated
/// @param recipient The recipient of the transfer
/// @param amount The amount of the transfer
/// @return Returns true for a successful transfer, false for unsuccessful
function transferFrom(
address sender,
address recipient,
uint256 amount
) external returns (bool);
/// @notice Event emitted when tokens are transferred from one address to another, either via `#transfer` or `#transferFrom`.
/// @param from The account from which the tokens were sent, i.e. the balance decreased
/// @param to The account to which the tokens were sent, i.e. the balance increased
/// @param value The amount of tokens that were transferred
event Transfer(address indexed from, address indexed to, uint256 value);
/// @notice Event emitted when the approval amount for the spender of a given owner's tokens changes.
/// @param owner The account that approved spending of its tokens
/// @param spender The account for which the spending allowance was modified
/// @param value The new allowance from the owner to the spender
event Approval(
address indexed owner,
address indexed spender,
uint256 value
);
}