IERC20

IERC20

Transfer

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

Emitted when a token is transferred.

Parameters

Name	Type	Description
from	address	Address transferring the tokens.
to	address	Address receiving the tokens.
value	uint256	Number of token units.

Approval

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

Emitted when a token holder sets and approval.

Parameters

Name	Type	Description
owner	address	Address of the account setting the approval.
spender	address	Address of the allowed account.
value	uint256	Number of approved units.

transfer

function transfer(address to, uint256 value) external returns (bool success)

Transfers token from holder to another address.

Parameters

Name	Type	Description
to	address	Address to send tokens to.
value	uint256	Number of token units to send.

Return Values

Name	Type	Description
success	bool	Bool the transaction was successful.

transferFrom

function transferFrom(address from, address to, uint256 value) external returns (bool success)

Allows spender to transfer tokens from the holder.

Parameters

Name	Type	Description
from	address	Address of the token holder.
to	address	Address to send tokens to.
value	uint256	Number of units to transfer.

Return Values

Name	Type	Description
success	bool	Bool the transaction was successful.

approve

function approve(address spender, uint256 value) external returns (bool success)

Allows a holder to approve a spender.

Parameters

Name	Type	Description
spender	address	Address of the token spender.
value	uint256	Number of units to be approved.

Return Values

Name	Type	Description
success	bool	Bool the transaction was successful.

balanceOf

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

Returns token balance for an address.

Parameters

Name	Type	Description
who	address	Address to query balance for.

Return Values

Name	Type	Description
[0]	uint256	Number of units held.

allowance

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

Returns token allowance of an address to another address.

Parameters

Name	Type	Description
owner	address	Address of token hodler.
spender	address	Address of the token spender.

Return Values

Name	Type	Description
[0]	uint256	Number of allowed units.

decimals

function decimals() external view returns (uint8)

Returns token decimals.

Return Values

Name	Type	Description
[0]	uint8	Uint8 number of decimals.