IERC20

ERC token interface

Functions

totalSupply

Returns the amount of tokens in existence.

balanceOf

Returns the amount of tokens owned by account.

Parameters

Parameter	Type	Description
account	address	Account to be checked

transfer

Moves amount tokens from the caller's account to recipient. Returns a boolean value indicating whether the operation succeeded. Emits a Transfer event.

Parameters

Parameter	Type	Description
recipient	address	Recipient's address
amount	uint256	Amount to be transfered

allowance

Returns the remaining number of tokens that spender will be allowed to spend on behalf of owner through transferFrom. This is zero by default.

Parameters

Parameter	Type	Description
owner	address	Owner's address
spender	address	Spender's address

approve

Sets amount as the allowance of spender over the caller's tokens.

Parameters

Parameter	Type	Description
spender	address	Sped's address
amount	uint256	Allowance amount

transferFrom

Moves amount tokens from sender to recipient using the allowance mechanism.

Parameters

Parameter	Type	Description
sender	address	Sender's address
recipients	address	Recipient's address
amount	uint256	Allowance amount

Events

Transfer

Emitted when value tokens are moved from one account (from) to another (to).

Parameters

Parameter	Type	Description
from	address	Sender's address
to	address	Recipient's address
value	uint256	Allowance amount

Approval

Emitted when the allowance of a spender for an owner is set by a call to approve. value is the new allowance.

Parameters

Parameter	Type	Description
owner	address	Owner's address
spender	address	Spender's address
value	uint256	New allowance