DeBridgeToken

ERC20 token that is used as wrapped asset to represent the native token value on the other chains.

Variables

MINTER_ROLE

  bytes32 public constant MINTER_ROLE;

Minter role identifier

PAUSER_ROLE

  bytes32 public constant PAUSER_ROLE;

Pauser role identifier

DOMAIN_SEPARATOR

  bytes32 public DOMAIN_SEPARATOR;

Domain separator as described in EIP-712

PERMIT_TYPEHASH

  bytes32 public constant PERMIT_TYPEHASH;

Typehash as described in EIP-712. =keccak256("Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)");

nonces

  mapping(address => uint256) public nonces;

Transfers counter

_decimals

  uint8 internal _decimals;

Asset's decimals

Functions

initialize

  function initialize(
            string name_,
            string symbol_,
            uint8 decimals_,
            address admin,
            address[] minters
  ) public

Constructor that initializes the most important configurations.

Parameters:

Name	Type	Description
name_	string	Asset's name.
symbol_	string	Asset's symbol.
decimals_	uint8	Asset's decimals.
admin	address	Address to set as asset's admin.
minters	address[]	The accounts allowed to int new tokens.

mint

  function mint(
            address _receiver,
            uint256 _amount
  ) external

Issues new tokens.

Parameters:

Name	Type	Description
_receiver	address	Token's receiver.
_amount	uint256	Amount to be minted.

burn

  function burn(
            uint256 _amount
  ) external

Destroys existing tokens.

Parameters:

Name	Type	Description
_amount	uint256	Amount to be burnt.

permit

  function permit(
            address _owner,
            address _spender,
            uint256 _value,
            uint256 _deadline,
            uint8 _v,
            bytes32 _r,
            bytes32 _s
  ) external

Approves the spender by signature.

Parameters:

Name	Type	Description
_owner	address	Token's owner.
_spender	address	Account to be approved.
_value	uint256	Amount to be approved.
_deadline	uint256	The permit valid until.
_v	uint8	Signature part.
_r	bytes32	Signature part.
_s	bytes32	Signature part.

decimals

  function decimals(
  ) public returns (uint8)

Asset's decimals

pause

  function pause(
  ) public

Pauses all token transfers. The caller must have the PAUSER_ROLE.

unpause

  function unpause(
  ) public

Unpauses all token transfers. The caller must have the PAUSER_ROLE.

_beforeTokenTransfer

  function _beforeTokenTransfer(
            address from,
            address to,
            uint256 amount
  ) internal