Davinci coin

0xaad54c9f27b876d2538455dda69207279ff673a5 Copy

ERC20

This contract is an ERC20 token.

Name Davinci coin

Symbol DAC

Decimals 18

Total Supply 8,800,000,000 DAC

About

Davinci Coin (DAC) is a cryptocurrency and operates on the Ethereum platform. Davinci Coin has a current supply of 8,800,000,000 with 8,478,561,024.7997 in circulation. The last known price of Davinci Coin is 0.00154204 USD and is up 13.50 over the last 24 hours. It is currently trading on 4 active market(s) with $5,077,731.78 traded over the last 24 hours. More information can be found at https://davinci.vision.

Stats

Public Functions 11

Event Types 7

Code Size 4,449 bytes

Events (7)

Approval Event

Parameters

_owner	address
_spender	address
_value	uint256

Blacklisted Event

Parameters

target

address

DeleteFromBlacklist Event

Parameters

target

address

RejectedPaymentFromBlacklistedAddr Event

Parameters

from	address
to	address
value	uint256

RejectedPaymentToBlacklistedAddr Event

Parameters

from	address
to	address
value	uint256

Transfer Event

Parameters

_from	address
_to	address
_value	uint256

TransferOwnership Event

Parameters

oldaddr	address
newaddr	address

Constants (4)

symbol Constant

string

DAC

name Constant

string

Davinci coin

decimals Constant

uint8

totalSupply Constant

uint256

8800000000000000000000000000

State Variables (6)

stopped Variable

bool

totalSupply Variable

uint256

owner Variable

address

blackList Variable

mapping(address => int8)

balances Variable

mapping(address => uint256)

allowed Variable

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

Internal Variable

Functions Expand All Collapse All

transferOwnership

Parameters

Name	Type
_new	address

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

Source Code

function transferOwnership(address _new) public onlyOwner {
  address oldaddr = owner;
  owner = _new;
  emit TransferOwnership(oldaddr, owner);
}

balanceOf

Parameters

Name	Type
_owner	address

Properties

Visibility public

Mutability constant

Source Code

function balanceOf(address _owner) public constant returns (uint256 balance) {
  return balances[_owner];
}

transfer

Parameters

Name	Type
_to	address
_value	uint256

Properties

Visibility public

Mutability transaction

Modifiers

notStopped checks for the following:

stopped must not be true

Requirements

_value must be less than or equal to balances for the sender's address

Source Code

function transfer(address _to, uint256 _value)
  public
  notStopped
  returns (bool success)
{
  require(balances[msg.sender] >= _value);

  if (blackList[msg.sender] > 0) {
    emit RejectedPaymentFromBlacklistedAddr(msg.sender, _to, _value);
    return false;
  }
  if (blackList[_to] > 0) {
    emit RejectedPaymentToBlacklistedAddr(msg.sender, _to, _value);
    return false;
  }

  balances[msg.sender] -= _value;
  balances[_to] += _value;
  emit Transfer(msg.sender, _to, _value);
  return true;
}

transferFrom

Parameters

Name	Type
_from	address
_to	address
_value	uint256

Properties

Visibility public

Mutability transaction

Modifiers

notStopped checks for the following:

stopped must not be true

Requirements

_value must be less than or equal to allowed for _from for the sender's address

_value must be less than or equal to balances for _from

Source Code

function transferFrom(
  address _from,
  address _to,
  uint256 _value
) public notStopped returns (bool success) {
  require(balances[_from] >= _value && allowed[_from][msg.sender] >= _value);

  if (blackList[_from] > 0) {
    emit RejectedPaymentFromBlacklistedAddr(_from, _to, _value);
    return false;
  }
  if (blackList[_to] > 0) {
    emit RejectedPaymentToBlacklistedAddr(_from, _to, _value);
    return false;
  }

  balances[_from] -= _value;
  allowed[_from][msg.sender] -= _value;
  balances[_to] += _value;
  emit Transfer(_from, _to, _value);
  return true;
}

approve

Parameters

Name	Type
_spender	address
_value	uint256

Properties

Visibility public

Mutability transaction

Modifiers

notStopped checks for the following:

stopped must not be true

Source Code

function approve(address _spender, uint256 _value)
  public
  notStopped
  returns (bool success)
{
  allowed[msg.sender][_spender] = _value;
  emit Approval(msg.sender, _spender, _value);
  return true;
}

allowance

Parameters

Name	Type
_owner	address
_spender	address

Properties

Visibility public

Mutability constant

Source Code

function allowance(address _owner, address _spender)
  public
  constant
  returns (uint256 remaining)
{
  return allowed[_owner][_spender];
}

airdrop

Parameters

Name	Type
_to	address[]
_value	uint256[]

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

notStopped checks for the following:

stopped must not be true

Source Code

function airdrop(address[] _to, uint256[] _value) public onlyOwner notStopped {
  for (uint256 i = 0; i < _to.length; i++) {
    if (balances[_to[i]] > 0) {
      continue;
    }
    transfer(_to[i], _value[i]);
  }
}

blacklisting

Parameters

Name	Type
_addr	address

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

Source Code

function blacklisting(address _addr) public onlyOwner {
  blackList[_addr] = 1;
  emit Blacklisted(_addr);
}

deleteFromBlacklist

Parameters

Name	Type
_addr	address

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

Source Code

function deleteFromBlacklist(address _addr) public onlyOwner {
  blackList[_addr] = -1;
  emit DeleteFromBlacklist(_addr);
}

stop

Parameters

This function has no parameters.

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

Source Code

function stop() onlyOwner {
  stopped = true;
}

start

Parameters

This function has no parameters.

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

Source Code

function start() onlyOwner {
  stopped = false;
}

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.

Davinci coin

ERC20

About link

Stats

Events (7) keyboard_arrow_up

Approval Event

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

Blacklisted Event

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

DeleteFromBlacklist Event

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

RejectedPaymentFromBlacklistedAddr Event

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

RejectedPaymentToBlacklistedAddr 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.

TransferOwnership Event

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

Constants (4) keyboard_arrow_up

symbol Constant

name Constant

decimals Constant

totalSupply Constant

State Variables (6) keyboard_arrow_up

stopped Variable

totalSupply Variable

owner Variable

blackList Variable

balances Variable

allowed Variable

Functions Expand All Collapse All

transferOwnership keyboard_arrow_up

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

Properties

Modifiers help Modifiers are additions to a function that typically make various checks before the function is run.

onlyOwner checks for the following:

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

Modifiers help Modifiers are additions to a function that typically make various checks before the function is run.

notStopped checks for the following:

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

Modifiers help Modifiers are additions to a function that typically make various checks before the function is run.

notStopped checks for the following:

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

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

Modifiers help Modifiers are additions to a function that typically make various checks before the function is run.

notStopped checks for the following:

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

airdrop keyboard_arrow_up

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

Properties

Modifiers help Modifiers are additions to a function that typically make various checks before the function is run.

onlyOwner checks for the following:

notStopped checks for the following:

Source Code

blacklisting keyboard_arrow_up

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

Properties

Modifiers help Modifiers are additions to a function that typically make various checks before the function is run.

onlyOwner checks for the following:

Source Code

deleteFromBlacklist keyboard_arrow_up

About

Events (7)

Parameters

Parameters

Parameters

Parameters

Parameters

Parameters

Parameters

Constants (4)

State Variables (6)

transferOwnership

Parameters

Modifiers

balanceOf

Parameters

transfer

Parameters

Modifiers

Requirements

transferFrom

Parameters

Modifiers

Requirements

approve

Parameters

Modifiers

allowance

Parameters

airdrop

Parameters

Modifiers

blacklisting

Parameters

Modifiers

deleteFromBlacklist

Parameters

Modifiers

stop

Parameters

Modifiers

start

Parameters

Modifiers