ERC20Issuance_v1

This contract creates an {ERC20} token with a supply cap and a whitelist-based permission system for minting and burning tokens. Source: src/external/token/ERC20Issuance_v1.sol. Interfaces: IERC20Issuance_v1, IERC7572.

Functions

burn

function burn(address _from, uint _amount) external;

Burns tokens. Parameters

Name	Type	Description
`_from`	`address`	The address of the owner or approved address.
`_amount`	`uint`	The amount of tokens to burn.

IERC20Issuance_v1.sol#L36

mint

function mint(address _to, uint _amount) external;

Mints new tokens. Parameters

Name	Type	Description
`_to`	`address`	The address of the recipient.
`_amount`	`uint`	The amount of tokens to mint.

IERC20Issuance_v1.sol#L31

setContractURI

function setContractURI(string memory newURI_) external;

Sets the contract-level metadata URI. Parameters

Name	Type	Description
`newURI_`	`string`	The new URI pointing to the contract metadata JSON.

IERC7572.sol#L37

setMinter

function setMinter(address _minter, bool _allowed) external;

Sets the minting rights of an address. Parameters

Name	Type	Description
`_minter`	`address`	The address of the minter.
`_allowed`	`bool`	If the address is allowed to mint or not.

IERC20Issuance_v1.sol#L26

spendAllowance

function spendAllowance(address _from, address _spender, uint _amount) external;

Spend allowance. Parameters

Name	Type	Description
`_from`	`address`	The address of the owner.
`_spender`	`address`	The address of the spender.
`_amount`	`uint`	The amount of tokens to spend.

IERC20Issuance_v1.sol#L42

View functions

allowedMinters

function allowedMinters(address _minter) external view returns (bool);

Mapping of allowed minters. Parameters

Name	Type	Description
`_minter`	`address`	The address of the minter.

Returns

Name	Type	Description
	`bool`	If the address is allowed to mint or not.

IERC20Issuance_v1.sol#L50

contractURI

function contractURI() external view returns (string memory contractURI_);

Returns the URI for the contract-level metadata. Returns

Name	Type	Description
`contractURI_`	`string`	URI pointing to the JSON metadata document.

IERC7572.sol#L30

isTrustedForwarder

function isTrustedForwarder(address forwarder_) external view returns (bool isTrusted_);

Checks if the given address is the trusted forwarder. Parameters

Name	Type	Description
`forwarder_`	`address`	The address to check.

Returns

Name	Type	Description
`isTrusted_`	`bool`	True if the address is the trusted forwarder.

IERC20Issuance_v1.sol#L55

Events

ContractURIUpdated

event ContractURIUpdated();

Emitted when the contract metadata URI is updated. IERC7572.sol#L23

MinterSet

event MinterSet(address indexed minter, bool allowed);

Emitted when the minter is set. Parameters

Name	Type	Description
`minter`	`address indexed`
`allowed`	`bool`

IERC20Issuance_v1.sol#L12

Errors

IERC20Issuance__CallerIsNotMinter

error IERC20Issuance__CallerIsNotMinter();

IERC20Issuance_v1.sol#L16

Overview

How it works

Deployments

Reference