ERC 6909

Functions

balanceOf

Owner balance of an id.

function balanceOf(address owner, uint256 id) external view returns (uint256 amount);

Parameters

Name	Type	Description
owner	address	The address of the owner.
id	uint256	The id of the token.

Returns

Name	Type	Description
amount	uint256	The balance of the token.

allowance

Spender allowance of an id.

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

Parameters

Name	Type	Description
owner	address	The address of the owner.
spender	address	The address of the spender.
id	uint256	The id of the token.

Returns

Name	Type	Description
amount	uint256	The allowance of the token.

isOperator

Checks if a spender is approved by an owner as an operator

function isOperator(address owner, address spender) external view returns (bool approved);

Parameters

Name	Type	Description
owner	address	The address of the owner.
spender	address	The address of the spender.

Returns

Name	Type	Description
approved	bool	The approval status.

transfer

Transfers an amount of an id from the caller to a receiver.

function transfer(address receiver, uint256 id, uint256 amount) external returns (bool);

Parameters

Name	Type	Description
receiver	address	The address of the receiver.
id	uint256	The id of the token.
amount	uint256	The amount of the token.

transferFrom

Transfers an amount of an id from a sender to a receiver.

function transferFrom(address sender, address receiver, uint256 id, uint256 amount) external returns (bool);

Parameters

Name	Type	Description
sender	address	The address of the sender.
receiver	address	The address of the receiver.
id	uint256	The id of the token.
amount	uint256	The amount of the token.

approve

Approves an amount of an id to a spender.

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

Parameters

Name	Type	Description
spender	address	The address of the spender.
id	uint256	The id of the token.
amount	uint256	The amount of the token.

setOperator

Sets or removes a spender as an operator for the caller.

function setOperator(address spender, bool approved) external returns (bool);

Parameters

Name	Type	Description
spender	address	The address of the spender.
approved	bool	The approval status.

Events

Transfer

The event emitted when a transfer occurs.

event Transfer(address caller, address indexed sender, address indexed receiver, uint256 indexed id, uint256 amount);

Parameters

Name	Type	Description
caller	address	The caller of the transfer.
sender	address	The address of the sender.
receiver	address	The address of the receiver.
id	uint256	The id of the token.
amount	uint256	The amount of the token.

OperatorSet

The event emitted when an operator is set.

event OperatorSet(address indexed owner, address indexed spender, bool approved);

Parameters

Name	Type	Description
owner	address	The address of the owner.
spender	address	The address of the spender.
approved	bool	The approval status.

Approval

The event emitted when an approval occurs.

event Approval(address indexed owner, address indexed spender, uint256 indexed id, uint256 amount);

Parameters

Name	Type	Description
owner	address	The address of the owner.
spender	address	The address of the spender.
id	uint256	The id of the token.
amount	uint256	The amount of the token.