IERC20Minimal

Contains a subset of the full ERC20 interface that is used in Uniswap V3

Functions#

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

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

Type	Description
uint256	number of tokens held by the account

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

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

Type	Description
bool	true for a successful transfer, false for an unsuccessful transfer

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

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

Type	Description
uint256	current allowance granted by `owner` to `spender`

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

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`

Type	Description
bool	true for a successful approval, false for unsuccessful

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

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

Type	Description
bool	true for a successful transfer, false for unsuccessful

  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

  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