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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