Bridge Mutual

0x725c263e32c72ddc3a19bea12c5a0479a81ee688 Copy

ERC20

This contract is an ERC20 token.

Name Bridge Mutual

Symbol BMI

Decimals 18

Total Supply 160,000,000 BMI

About

Bridge Mutual (BMI) is a cryptocurrency and operates on the Ethereum platform. Bridge Mutual has a current supply of 160,000,000 with 52,615,203.5006837 in circulation. The last known price of Bridge Mutual is 0.52667987 USD and is up 0.97 over the last 24 hours. It is currently trading on 10 active market(s) with $200,341.88 traded over the last 24 hours. More information can be found at https://bridgemutual.io.

Stats

Public Functions 14

Event Types 2

Code Size 32,640 bytes

Events (2)

Approval Event

Parameters

owner	address
spender	address
value	uint256

Transfer Event

Parameters

from	address
to	address
value	uint256

Constants (1)

TOTAL_SUPPLY Constant

uint256

160 * UNKNOWN VALUE * UNKNOWN VALUE

State Variables (13)

_nonces Variable

mapping(address => Counters.Counter)

Internal Variable

_PERMIT_TYPEHASH Variable

bytes32

Internal Variable

_balances Variable

mapping(address => uint256)

Internal Variable

_allowances Variable

mapping(address => mapping(address => uint256))

Internal Variable

_totalSupply Variable

uint256

Internal Variable

_name Variable

string

Internal Variable

_symbol Variable

string

Internal Variable

_decimals Variable

uint8

Internal Variable

_CACHED_DOMAIN_SEPARATOR Variable

bytes32

Internal Variable

_CACHED_CHAIN_ID Variable

uint256

Internal Variable

_HASHED_NAME Variable

bytes32

Internal Variable

_HASHED_VERSION Variable

bytes32

Internal Variable

_TYPE_HASH Variable

bytes32

Internal Variable

Functions Expand All Collapse All

name

Parameters

This function has no parameters.

Properties

Visibility public

Mutability view

Source Code

function name() public view returns (string memory) {
  return _name;
}

symbol

Parameters

This function has no parameters.

Properties

Visibility public

Mutability view

Source Code

function symbol() public view returns (string memory) {
  return _symbol;
}

decimals

Parameters

This function has no parameters.

Properties

Visibility public

Mutability view

Source Code

function decimals() public view returns (uint8) {
  return _decimals;
}

totalSupply

Parameters

This function has no parameters.

Properties

Visibility public

Mutability view

Source Code

function totalSupply() public view override returns (uint256) {
  return _totalSupply;
}

balanceOf

Parameters

Name	Type
account	address

Properties

Visibility public

Mutability view

Source Code

function balanceOf(address account) public view override returns (uint256) {
  return _balances[account];
}

transfer

Parameters

Name	Type
recipient	address
amount	uint256

Properties

Visibility public

Mutability transaction

Requirements

the result of calling _msgSender must not be equal to UNKNOWN VALUE

recipient must not be equal to UNKNOWN VALUE

Source Code

function transfer(address recipient, uint256 amount)
  public
  virtual
  override
  returns (bool)
{
  _transfer(_msgSender(), recipient, amount);
  return true;
}

allowance

Parameters

Name	Type
owner	address
spender	address

Properties

Visibility public

Mutability view

Source Code

function allowance(address owner, address spender)
  public
  view
  virtual
  override
  returns (uint256)
{
  return _allowances[owner][spender];
}

approve

Parameters

Name	Type
spender	address
amount	uint256

Properties

Visibility public

Mutability transaction

Requirements

the result of calling _msgSender must not be equal to UNKNOWN VALUE

spender must not be equal to UNKNOWN VALUE

Source Code

function approve(address spender, uint256 amount)
  public
  virtual
  override
  returns (bool)
{
  _approve(_msgSender(), spender, amount);
  return true;
}

transferFrom

Parameters

Name	Type
sender	address
recipient	address
amount	uint256

Properties

Visibility public

Mutability transaction

Requirements

the result of calling _msgSender must not be equal to UNKNOWN VALUE

recipient must not be equal to UNKNOWN VALUE

the result of calling _msgSender must not be equal to UNKNOWN VALUE

Source Code

function transferFrom(
  address sender,
  address recipient,
  uint256 amount
) public virtual override returns (bool) {
  _transfer(sender, recipient, amount);
  _approve(
    sender,
    _msgSender(),
    _allowances[sender][_msgSender()].sub(
      amount,
      "ERC20: transfer amount exceeds allowance"
    )
  );
  return true;
}

increaseAllowance

Parameters

Name	Type
spender	address
addedValue	uint256

Properties

Visibility public

Mutability transaction

Requirements

the result of calling _msgSender must not be equal to UNKNOWN VALUE

Source Code

function increaseAllowance(address spender, uint256 addedValue)
  public
  virtual
  returns (bool)
{
  _approve(
    _msgSender(),
    spender,
    _allowances[_msgSender()][spender].add(addedValue)
  );
  return true;
}

decreaseAllowance

Parameters

Name	Type
spender	address
subtractedValue	uint256

Properties

Visibility public

Mutability transaction

Requirements

the result of calling _msgSender must not be equal to UNKNOWN VALUE

Source Code

function decreaseAllowance(address spender, uint256 subtractedValue)
  public
  virtual
  returns (bool)
{
  _approve(
    _msgSender(),
    spender,
    _allowances[_msgSender()][spender].sub(
      subtractedValue,
      "ERC20: decreased allowance below zero"
    )
  );
  return true;
}

permit

Parameters

Name	Type
owner	address
spender	address
value	uint256
deadline	uint256
v	uint8
r	bytes32
s	bytes32

Properties

Visibility public

Mutability transaction

Requirements

deadline must be greater than or equal to block.timestamp

signer must be equal to owner

the result of calling _msgSender must not be equal to UNKNOWN VALUE

Source Code

function permit(
  address owner,
  address spender,
  uint256 value,
  uint256 deadline,
  uint8 v,
  bytes32 r,
  bytes32 s
) public virtual override {
  // solhint-disable-next-line not-rely-on-time
  require(block.timestamp <= deadline, "ERC20Permit: expired deadline");

  bytes32 structHash = keccak256(
    abi.encode(
      _PERMIT_TYPEHASH,
      owner,
      spender,
      value,
      _nonces[owner].current(),
      deadline
    )
  );

  bytes32 hash = _hashTypedDataV4(structHash);

  address signer = recover(hash, v, r, s);
  require(signer == owner, "ERC20Permit: invalid signature");

  _nonces[owner].increment();
  _approve(owner, spender, value);
}

nonces

Parameters

Name	Type
owner	address

Properties

Visibility public

Mutability view

Source Code

function nonces(address owner) public view override returns (uint256) {
  return _nonces[owner].current();
}

DOMAIN_SEPARATOR

Parameters

This function has no parameters.

Properties

Visibility public

Mutability view

Source Code

function DOMAIN_SEPARATOR() external view override returns (bytes32) {
  return _domainSeparatorV4();
}

Internal Functions Expand All Collapse All

Internal functions are parts of the contract that can't be used directly, but instead are used by the public functions listed above.

internal ERC20Permit.constructor

Parameters

Name	Type
name	string

Properties

Visibility internal

Mutability transaction

Source Code

constructor(string memory name) internal EIP712(name, "1") {}

internal ERC20Permit.recover

Parameters

Name	Type
hash	bytes32
v	uint8
r	bytes32
s	bytes32

Properties

Visibility internal

Mutability pure

Requirements

UNKNOWN VALUE must be less than or equal to 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0

One or more of the following: - v must be equal to 28 - OR v must be equal to 27

signer must not be equal to UNKNOWN VALUE

Source Code

function recover(
  bytes32 hash,
  uint8 v,
  bytes32 r,
  bytes32 s
) internal pure returns (address) {
  // EIP-2 still allows signature malleability for ecrecover(). Remove this possibility and make the signature
  // unique. Appendix F in the Ethereum Yellow paper (https://ethereum.github.io/yellowpaper/paper.pdf), defines
  // the valid range for s in (281): 0 < s < secp256k1n ÷ 2 + 1, and for v in (282): v ∈ {27, 28}. Most
  // signatures from current libraries generate a unique signature with an s-value in the lower half order.
  //
  // If your library generates malleable signatures, such as s-values in the upper range, calculate a new s-value
  // with 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 - s1 and flip v from 27 to 28 or
  // vice versa. If your library also generates signatures with 0/1 for v instead 27/28, add 27 to v to accept
  // these malleable signatures as well.
  require(
    uint256(s) <=
      0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0,
    "ECDSA: invalid signature 's' value"
  );
  require(v == 27 || v == 28, "ECDSA: invalid signature 'v' value");

  // If the signature is valid (and not malleable), return the signer address
  address signer = ecrecover(hash, v, r, s);
  require(signer != address(0), "ECDSA: invalid signature");

  return signer;
}

internal ERC20._transfer

Parameters

Name	Type
sender	address
recipient	address
amount	uint256

Properties

Visibility internal

Mutability transaction

Requirements

the result of calling _msgSender must not be equal to UNKNOWN VALUE

recipient must not be equal to UNKNOWN VALUE

Source Code

function _transfer(
  address sender,
  address recipient,
  uint256 amount
) internal virtual {
  require(sender != address(0), "ERC20: transfer from the zero address");
  require(recipient != address(0), "ERC20: transfer to the zero address");

  _beforeTokenTransfer(sender, recipient, amount);

  _balances[sender] = _balances[sender].sub(
    amount,
    "ERC20: transfer amount exceeds balance"
  );
  _balances[recipient] = _balances[recipient].add(amount);
  emit Transfer(sender, recipient, amount);
}

internal ERC20._mint

Parameters

Name	Type
account	address
amount	uint256

Properties

Visibility internal

Mutability transaction

Requirements

account must not be equal to UNKNOWN VALUE

Source Code

function _mint(address account, uint256 amount) internal virtual {
  require(account != address(0), "ERC20: mint to the zero address");

  _beforeTokenTransfer(address(0), account, amount);

  _totalSupply = _totalSupply.add(amount);
  _balances[account] = _balances[account].add(amount);
  emit Transfer(address(0), account, amount);
}

internal ERC20._burn

Parameters

Name	Type
account	address
amount	uint256

Properties

Visibility internal

Mutability transaction

Requirements

account must not be equal to UNKNOWN VALUE

Source Code

function _burn(address account, uint256 amount) internal virtual {
  require(account != address(0), "ERC20: burn from the zero address");

  _beforeTokenTransfer(account, address(0), amount);

  _balances[account] = _balances[account].sub(
    amount,
    "ERC20: burn amount exceeds balance"
  );
  _totalSupply = _totalSupply.sub(amount);
  emit Transfer(account, address(0), amount);
}

internal ERC20._approve

Parameters

Name	Type
owner	address
spender	address
amount	uint256

Properties

Visibility internal

Mutability transaction

Requirements

the result of calling _msgSender must not be equal to UNKNOWN VALUE

Source Code

function _approve(
  address owner,
  address spender,
  uint256 amount
) internal virtual {
  require(owner != address(0), "ERC20: approve from the zero address");
  require(spender != address(0), "ERC20: approve to the zero address");

  _allowances[owner][spender] = amount;
  emit Approval(owner, spender, amount);
}

internal ERC20._setupDecimals

Parameters

Name	Type
decimals_	uint8

Properties

Visibility internal

Mutability transaction

Source Code

function _setupDecimals(uint8 decimals_) internal {
  _decimals = decimals_;
}

internal ERC20._beforeTokenTransfer

Parameters

Name	Type
from	address
to	address
amount	uint256

Properties

Visibility internal

Mutability transaction

Source Code

function _beforeTokenTransfer(
  address from,
  address to,
  uint256 amount
) internal virtual {}

internal Context._msgSender

Parameters

This function has no parameters.

Properties

Visibility internal

Mutability view

Source Code

function _msgSender() internal view virtual returns (address payable) {
  return msg.sender;
}

internal Context._msgData

Parameters

This function has no parameters.

Properties

Visibility internal

Mutability view

Source Code

function _msgData() internal view virtual returns (bytes memory) {
  this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
  return msg.data;
}

internal EIP712.constructor

Parameters

Name	Type
name	string
version	string

Properties

Visibility internal

Mutability transaction

Source Code

constructor(string memory name, string memory version) internal {
  bytes32 hashedName = keccak256(bytes(name));
  bytes32 hashedVersion = keccak256(bytes(version));
  bytes32 typeHash = keccak256(
    "EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)"
  );
  _HASHED_NAME = hashedName;
  _HASHED_VERSION = hashedVersion;
  _CACHED_CHAIN_ID = _getChainId();
  _CACHED_DOMAIN_SEPARATOR = _buildDomainSeparator(
    typeHash,
    hashedName,
    hashedVersion
  );
  _TYPE_HASH = typeHash;
}

internal EIP712._domainSeparatorV4

Parameters

This function has no parameters.

Properties

Visibility internal

Mutability view

Source Code

function _domainSeparatorV4() internal view returns (bytes32) {
  if (_getChainId() == _CACHED_CHAIN_ID) {
    return _CACHED_DOMAIN_SEPARATOR;
  } else {
    return _buildDomainSeparator(_TYPE_HASH, _HASHED_NAME, _HASHED_VERSION);
  }
}

internal EIP712._buildDomainSeparator

Parameters

Name	Type
typeHash	bytes32
name	bytes32
version	bytes32

Properties

Visibility private

Mutability view

Source Code

function _buildDomainSeparator(
  bytes32 typeHash,
  bytes32 name,
  bytes32 version
) private view returns (bytes32) {
  return
    keccak256(
      abi.encode(typeHash, name, version, _getChainId(), address(this))
    );
}

internal EIP712._hashTypedDataV4

Parameters

Name	Type
structHash	bytes32

Properties

Visibility internal

Mutability view

Source Code

function _hashTypedDataV4(bytes32 structHash) internal view returns (bytes32) {
  return
    keccak256(abi.encodePacked("\x19\x01", _domainSeparatorV4(), structHash));
}

internal EIP712._getChainId

Parameters

This function has no parameters.

Properties

Visibility private

Mutability view

Source Code

function _getChainId() private view returns (uint256 chainId) {
  this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
  // solhint-disable-next-line no-inline-assembly
  assembly {
    chainId := chainid()
  }
}

Bridge Mutual

ERC20

About link

Stats

Events (2) keyboard_arrow_up

Approval Event

Parameters help Event parameters list the data that an event contains.

Transfer Event

Parameters help Event parameters list the data that an event contains.

Constants (1) keyboard_arrow_up

TOTAL_SUPPLY Constant

State Variables (13) keyboard_arrow_up

_nonces Variable

_PERMIT_TYPEHASH Variable

_balances Variable

_allowances Variable

_totalSupply Variable

_name Variable

_symbol Variable

_decimals Variable

_CACHED_DOMAIN_SEPARATOR Variable

_CACHED_CHAIN_ID Variable

_HASHED_NAME Variable

_HASHED_VERSION Variable

_TYPE_HASH Variable

Functions Expand All Collapse All

name keyboard_arrow_up

Parameters help Function parameters list what input the function expects from the user. Each parameter must be given a value.

Properties

Source Code

symbol keyboard_arrow_up

Parameters help Function parameters list what input the function expects from the user. Each parameter must be given a value.

Properties

Source Code

decimals keyboard_arrow_up

Parameters help Function parameters list what input the function expects from the user. Each parameter must be given a value.

Properties

Source Code

totalSupply keyboard_arrow_up

Parameters help Function parameters list what input the function expects from the user. Each parameter must be given a value.

Properties

Source Code

balanceOf keyboard_arrow_up

Parameters help Function parameters list what input the function expects from the user. Each parameter must be given a value.

Properties

Source Code

transfer keyboard_arrow_up

Parameters help Function parameters list what input the function expects from the user. Each parameter must be given a value.

Properties

Requirements help Requirements are checks that the function makes when it runs, and give you insight on what conditions are required for the function to succeed.

Source Code

allowance keyboard_arrow_up

Parameters help Function parameters list what input the function expects from the user. Each parameter must be given a value.

Properties

Source Code

approve keyboard_arrow_up

Parameters help Function parameters list what input the function expects from the user. Each parameter must be given a value.

Properties

Requirements help Requirements are checks that the function makes when it runs, and give you insight on what conditions are required for the function to succeed.

Source Code

transferFrom keyboard_arrow_up

Parameters help Function parameters list what input the function expects from the user. Each parameter must be given a value.

Properties

Requirements help Requirements are checks that the function makes when it runs, and give you insight on what conditions are required for the function to succeed.

Source Code

increaseAllowance keyboard_arrow_up

Parameters help Function parameters list what input the function expects from the user. Each parameter must be given a value.

Properties

Requirements help Requirements are checks that the function makes when it runs, and give you insight on what conditions are required for the function to succeed.

Source Code

decreaseAllowance keyboard_arrow_up

Parameters help Function parameters list what input the function expects from the user. Each parameter must be given a value.

Properties

Requirements help Requirements are checks that the function makes when it runs, and give you insight on what conditions are required for the function to succeed.

Source Code

permit keyboard_arrow_up

Parameters help Function parameters list what input the function expects from the user. Each parameter must be given a value.

Properties

Requirements help Requirements are checks that the function makes when it runs, and give you insight on what conditions are required for the function to succeed.

Source Code

About

Events (2)

Parameters

Parameters

Constants (1)

State Variables (13)

name

Parameters

symbol

Parameters

decimals

Parameters

totalSupply

Parameters

balanceOf

Parameters

transfer

Parameters

Requirements

allowance

Parameters

approve

Parameters

Requirements

transferFrom

Parameters

Requirements

increaseAllowance

Parameters

Requirements

decreaseAllowance

Parameters

Requirements

permit

Parameters

Requirements

nonces

Parameters

DOMAIN_SEPARATOR

Parameters

internal ERC20Permit.constructor

Parameters

internal ERC20Permit.recover

Parameters

Requirements

internal ERC20._transfer

Parameters

Requirements

internal ERC20._mint

Parameters

Requirements

internal ERC20._burn

Parameters

Requirements

internal ERC20._approve

Parameters

Requirements

internal ERC20._setupDecimals

Parameters

internal ERC20._beforeTokenTransfer

Parameters

internal Context._msgSender

Parameters

internal Context._msgData

Parameters

internal EIP712.constructor

Parameters

internal EIP712._domainSeparatorV4

Parameters

internal EIP712._buildDomainSeparator

Parameters

internal EIP712._hashTypedDataV4

Parameters