Quickswap

0x6c28aef8977c9b773996d0e8376d2ee379446f2f Copy

ERC20

This contract is an ERC20 token.

Name Quickswap

Symbol QUICK

Decimals 18

Total Supply 1,000,000 QUICK

About

QuickSwap (QUICK) is a cryptocurrency and operates on the Ethereum platform. QuickSwap has a current supply of 1,000,000 with 159,753 in circulation. The last known price of QuickSwap is 307.66191571 USD and is down -4.51 over the last 24 hours. It is currently trading on 31 active market(s) with $9,143,855.55 traded over the last 24 hours. More information can be found at https://quickswap.exchange/.

Stats

Public Functions 7

Event Types 3

Code Size 14,818 bytes

Events (3)

Approval Event

Parameters

owner	address
spender	address
amount	uint256

MinterChanged Event

Parameters

minter	address
newMinter	address

Transfer Event

Parameters

from	address
to	address
amount	uint256

Constants (5)

name Constant

string

Quickswap

symbol Constant

string

QUICK

decimals Constant

uint8

minimumTimeBetweenMints Constant

uint32

1 days * 365

mintCap Constant

uint8

State Variables (5)

totalSupply Variable

uint

minter Variable

address

mintingAllowedAfter Variable

uint

allowances Variable

mapping(address => mapping(address => uint96))

Internal Variable

balances Variable

mapping(address => uint96)

Internal Variable

Functions Expand All Collapse All

setMinter

Parameters

Name	Type
minter_	address

Properties

Visibility public

Mutability transaction

Requirements

minter must be equal to the sender's address

Source Code

function setMinter(address minter_) external {
  require(
    msg.sender == minter,
    "Quick::setMinter: only the minter can change the minter address"
  );
  emit MinterChanged(minter, minter_);
  minter = minter_;
}

mint

Parameters

Name	Type
dst	address
rawAmount	uint

Properties

Visibility public

Mutability transaction

Requirements

minter must be equal to the sender's address

mintingAllowedAfter must be less than or equal to block.timestamp

dst must not be equal to UNKNOWN VALUE

amount must be less than or equal to UNKNOWN VALUE

Source Code

function mint(address dst, uint256 rawAmount) external {
  require(msg.sender == minter, "Quick::mint: only the minter can mint");
  require(
    block.timestamp >= mintingAllowedAfter,
    "Quick::mint: minting not allowed yet"
  );
  require(
    dst != address(0),
    "Quick::mint: cannot transfer to the zero address"
  );

  // record the mint
  mintingAllowedAfter = SafeMath.add(block.timestamp, minimumTimeBetweenMints);

  // mint the amount
  uint96 amount = safe96(rawAmount, "Quick::mint: amount exceeds 96 bits");
  require(
    amount <= SafeMath.div(SafeMath.mul(totalSupply, mintCap), 100),
    "Quick::mint: exceeded mint cap"
  );
  totalSupply = safe96(
    SafeMath.add(totalSupply, amount),
    "Quick::mint: totalSupply exceeds 96 bits"
  );

  // transfer the amount to the recipient
  balances[dst] = add96(
    balances[dst],
    amount,
    "Quick::mint: transfer amount overflows"
  );
  emit Transfer(address(0), dst, amount);
}

allowance

Parameters

Name	Type
account	address
spender	address

Properties

Visibility public

Mutability view

Source Code

function allowance(address account, address spender)
  external
  view
  returns (uint256)
{
  return allowances[account][spender];
}

approve

Parameters

Name	Type
spender	address
rawAmount	uint

Properties

Visibility public

Mutability transaction

Source Code

function approve(address spender, uint256 rawAmount) external returns (bool) {
  uint96 amount;
  if (rawAmount == uint256(-1)) {
    amount = uint96(-1);
  } else {
    amount = safe96(rawAmount, "Quick::approve: amount exceeds 96 bits");
  }

  allowances[msg.sender][spender] = amount;

  emit Approval(msg.sender, spender, amount);
  return true;
}

balanceOf

Parameters

Name	Type
account	address

Properties

Visibility public

Mutability view

Source Code

function balanceOf(address account) external view returns (uint256) {
  return balances[account];
}

transfer

Parameters

Name	Type
dst	address
rawAmount	uint

Properties

Visibility public

Mutability transaction

Requirements

the sender's address must not be equal to UNKNOWN VALUE

dst must not be equal to UNKNOWN VALUE

Source Code

function transfer(address dst, uint256 rawAmount) external returns (bool) {
  uint96 amount = safe96(rawAmount, "Quick::transfer: amount exceeds 96 bits");
  _transferTokens(msg.sender, dst, amount);
  return true;
}

transferFrom

Parameters

Name	Type
src	address
dst	address
rawAmount	uint

Properties

Visibility public

Mutability transaction

Requirements

the sender's address must not be equal to UNKNOWN VALUE

dst must not be equal to UNKNOWN VALUE

Source Code

function transferFrom(
  address src,
  address dst,
  uint256 rawAmount
) external returns (bool) {
  address spender = msg.sender;
  uint96 spenderAllowance = allowances[src][spender];
  uint96 amount = safe96(rawAmount, "Quick::approve: amount exceeds 96 bits");

  if (spender != src && spenderAllowance != uint96(-1)) {
    uint96 newAllowance = sub96(
      spenderAllowance,
      amount,
      "Quick::transferFrom: transfer amount exceeds spender allowance"
    );
    allowances[src][spender] = newAllowance;

    emit Approval(src, spender, newAllowance);
  }

  _transferTokens(src, dst, amount);
  return true;
}

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 QuickToken._transferTokens

Parameters

Name	Type
src	address
dst	address
amount	uint96

Properties

Visibility internal

Mutability transaction

Requirements

the sender's address must not be equal to UNKNOWN VALUE

dst must not be equal to UNKNOWN VALUE

Source Code

function _transferTokens(
  address src,
  address dst,
  uint96 amount
) internal {
  require(
    src != address(0),
    "Quick::_transferTokens: cannot transfer from the zero address"
  );
  require(
    dst != address(0),
    "Quick::_transferTokens: cannot transfer to the zero address"
  );

  balances[src] = sub96(
    balances[src],
    amount,
    "Quick::_transferTokens: transfer amount exceeds balance"
  );
  balances[dst] = add96(
    balances[dst],
    amount,
    "Quick::_transferTokens: transfer amount overflows"
  );
  emit Transfer(src, dst, amount);
}

internal QuickToken.safe32

Parameters

Name	Type
n	uint
errorMessage	string

Properties

Visibility internal

Mutability pure

Requirements

n must be less than UNKNOWN VALUE

Source Code

function safe32(uint256 n, string memory errorMessage)
  internal
  pure
  returns (uint32)
{
  require(n < 2**32, errorMessage);
  return uint32(n);
}

internal QuickToken.safe96

Parameters

Name	Type
n	uint
errorMessage	string

Properties

Visibility internal

Mutability pure

Requirements

n must be less than UNKNOWN VALUE

Source Code

function safe96(uint256 n, string memory errorMessage)
  internal
  pure
  returns (uint96)
{
  require(n < 2**96, errorMessage);
  return uint96(n);
}

internal QuickToken.add96

Parameters

Name	Type
a	uint96
b	uint96
errorMessage	string

Properties

Visibility internal

Mutability pure

Requirements

c must be greater than or equal to a

Source Code

function add96(
  uint96 a,
  uint96 b,
  string memory errorMessage
) internal pure returns (uint96) {
  uint96 c = a + b;
  require(c >= a, errorMessage);
  return c;
}

internal QuickToken.sub96

Parameters

Name	Type
a	uint96
b	uint96
errorMessage	string

Properties

Visibility internal

Mutability pure

Requirements

b must be less than or equal to a

Source Code

function sub96(
  uint96 a,
  uint96 b,
  string memory errorMessage
) internal pure returns (uint96) {
  require(b <= a, errorMessage);
  return a - b;
}

Quickswap

ERC20

About link description

Stats

Events (3) keyboard_arrow_up

Approval Event

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

MinterChanged 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 (5) keyboard_arrow_up

name Constant

symbol Constant

decimals Constant

minimumTimeBetweenMints Constant

mintCap Constant

State Variables (5) keyboard_arrow_up

totalSupply Variable

minter Variable

mintingAllowedAfter Variable

allowances Variable

balances Variable

Functions Expand All Collapse All

setMinter 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

mint 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

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

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

Internal Functions Expand All Collapse All

internal QuickToken._transferTokens 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

internal QuickToken.safe32 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

internal QuickToken.safe96 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

internal QuickToken.add96 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

internal QuickToken.sub96 keyboard_arrow_up

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

Properties

About

Events (3)

Parameters

Parameters

Parameters

Constants (5)

State Variables (5)

setMinter

Parameters

Requirements

mint

Parameters

Requirements

allowance

Parameters

approve

Parameters

balanceOf

Parameters

transfer

Parameters

Requirements

transferFrom

Parameters

Requirements

internal QuickToken._transferTokens

Parameters

Requirements

internal QuickToken.safe32

Parameters

Requirements

internal QuickToken.safe96

Parameters

Requirements

internal QuickToken.add96

Parameters

Requirements

internal QuickToken.sub96

Parameters

Requirements