IERC20Minimal

Minimal ERC20 interface for Algebra

Contains a subset of the full ERC20 interface that is used in Algebra

Developer note: Credit to Uniswap Labs under GPL-2.0-or-later license: https://github.com/Uniswap/v3-core/tree/main/contracts/interfaces

Events

Transfer

event Transfer(address from, address to, uint256 value)

Event emitted when tokens are transferred from one address to another, either via `#transfer` or `#transferFrom`.

Name	Type	Description
from	address	The account from which the tokens were sent, i.e. the balance decreased
to	address	The account to which the tokens were sent, i.e. the balance increased
value	uint256	The amount of tokens that were transferred

Approval

event Approval(address owner, address spender, uint256 value)

Event emitted when the approval amount for the spender of a given owner's tokens changes.

Name	Type	Description
owner	address	The account that approved spending of its tokens
spender	address	The account for which the spending allowance was modified
value	uint256	The new allowance from the owner to the spender

Functions

balanceOf

function balanceOf(address account) external view returns (uint256) view external

Returns the balance of a token

Name	Type	Description
account	address	The account for which to look up the number of tokens it has, i.e. its balance

Returns:

Name	Type	Description
[0]	uint256	The number of tokens held by the account

transfer

function transfer(address recipient, uint256 amount) external returns (bool) external

Transfers the amount of token from the `msg.sender` to the recipient

Name	Type	Description
recipient	address	The account that will receive the amount transferred
amount	uint256	The number of tokens to send from the sender to the recipient

Returns:

Name	Type	Description
[0]	bool	Returns true for a successful transfer, false for an unsuccessful transfer

allowance

function allowance(address owner, address spender) external view returns (uint256) view external

Returns the current allowance given to a spender by an owner

Name	Type	Description
owner	address	The account of the token owner
spender	address	The account of the token spender

Returns:

Name	Type	Description
[0]	uint256	The current allowance granted by `owner` to `spender`

approve

function approve(address spender, uint256 amount) external returns (bool) external

Sets the allowance of a spender from the `msg.sender` to the value `amount`

Name	Type	Description
spender	address	The account which will be allowed to spend a given amount of the owners tokens
amount	uint256	The amount of tokens allowed to be used by `spender`

Returns:

Name	Type	Description
[0]	bool	Returns true for a successful approval, false for unsuccessful

transferFrom

function transferFrom(address sender, address recipient, uint256 amount) external returns (bool) external

Transfers `amount` tokens from `sender` to `recipient` up to the allowance given to the `msg.sender`

Name	Type	Description
sender	address	The account from which the transfer will be initiated
recipient	address	The recipient of the transfer
amount	uint256	The amount of the transfer

Returns:

Name	Type	Description
[0]	bool	Returns true for a successful transfer, false for unsuccessful