WBTC

0x2577D24a26f8FA19c1058a8b0106E2c7303454a4

State Variables

EIP712_REVISION

bytes public constant EIP712_REVISION = bytes("1");

EIP712_DOMAIN

bytes32 internal constant EIP712_DOMAIN =
    keccak256("EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)");

PERMIT_TYPEHASH

bytes32 public constant PERMIT_TYPEHASH =
    keccak256("Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)");

_nonces

mapping(address => uint256) internal _nonces;

DOMAIN_SEPARATOR

bytes32 public DOMAIN_SEPARATOR;

Functions

constructor

constructor(string memory name, string memory symbol, uint8 decimals, address owner)
    ERC20(name, symbol);

permit

Allow passing a signed message to approve spending

_implements the permit function as for https://github.com/ethereum/EIPs/blob/8a34d644aacf0f9f8f00815307fd7dd5da07655f/EIPS/eip-2612.md_

function permit(
    address owner,
    address spender,
    uint256 value,
    uint256 deadline,
    uint8 v,
    bytes32 r,
    bytes32 s
) external override;

Parameters

Name	Type	Description
owner	address	The owner of the funds
spender	address	The spender
value	uint256	The amount
deadline	uint256	The deadline timestamp, type(uint256).max for max deadline
v	uint8	Signature param
r	bytes32	Signature param
s	bytes32	Signature param

mint

Function to mint tokens

function mint(uint256 value) public virtual onlyOwner returns (bool);

Parameters

Name	Type	Description
value	uint256	The amount of tokens to mint.

Returns

Name	Type	Description
<none>	bool	A boolean that indicates if the operation was successful.

mint

Function to mint tokens to address

function mint(address account, uint256 value) public virtual onlyOwner returns (bool);

Parameters

Name	Type	Description
account	address	The account to mint tokens.
value	uint256	The amount of tokens to mint.

Returns

Name	Type	Description
<none>	bool	A boolean that indicates if the operation was successful.

nonces

function nonces(address owner) public view returns (uint256);