UTRUST Token

0x70a72833d6bf7f508c8224ce59ea1ef3d0ea3a38 Copy

ERC20

This contract is an ERC20 token.

Name UTRUST Token

Symbol UTK

Decimals 18

Total Supply 500,000,000 UTK

About

The Utrust platform allows merchants to accept digital currencies as a means of payment. It aims to bring digital currencies to mainstream consumers while providing the buyer protection and credibility of traditional payment platforms. With an API for merchants and UX for buyers. Utrust stands at the intersection of e-commerce, mobile payments, and cryptocurrency. The team believes that digital currency is the future of money and the genesis of a more open and more inclusive financial system. Utrust's long-term vision is to become the leading platform for digital consumer currency payments, delivering a trusted blockchain payment solution to the world’s most successful companies. The project aims to become a mainstream means-of-payment: The Utrust platform supports multiple digital currencies, including its own native token - UTK. Users can purchase goods and services, with a zero-fee exchange rate. It is also used on refunds and as part of our affiliate referral program.

Stats

Public Functions 9

Event Types 4

Code Size 8,110 bytes

Library Use

Uses SafeMath for uint256.

Events (4)

Approval Event

Parameters

owner	address
spender	address
value	uint256

Burn Event

Parameters

from	address
value	uint256

OwnershipTransferred Event

Parameters

previousOwner	address
newOwner	address

Transfer Event

Parameters

from	address
to	address
value	uint256

Functions Expand All Collapse All

transferOwnership

Parameters

Name	Type
newOwner	address

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

owner must be equal to the sender's address

Requirements

newOwner must not be equal to 0x0000000000000000000000000000000000000000

Source Code

  function transferOwnership(address newOwner) public onlyOwner {
    require(newOwner != address(0));
    OwnershipTransferred(owner, newOwner);
    owner = newOwner;
  }

balanceOf

Parameters

Name	Type
_owner	address

Properties

Visibility public

Mutability view

Source Code

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

transfer

Parameters

Name	Type
_to	address
_value	uint256

Properties

Visibility public

Mutability transaction

Requirements

_to must not be equal to 0x0000000000000000000000000000000000000000

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

Source Code

  function transfer(address _to, uint256 _value) public returns (bool) {
    require(_to != address(0));
    require(_value <= balances[msg.sender]);

    // SafeMath.sub will throw if there is not enough balance.
    balances[msg.sender] = balances[msg.sender].sub(_value);
    balances[_to] = balances[_to].add(_value);
    Transfer(msg.sender, _to, _value);
    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 returns (uint256) {
    return allowed[_owner][_spender];
  }

transferFrom

Parameters

Name	Type
_from	address
_to	address
_value	uint256

Properties

Visibility public

Mutability transaction

Requirements

_to must not be equal to 0x0000000000000000000000000000000000000000

_value must be less than or equal to balances for _from

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

Source Code

  function transferFrom(address _from, address _to, uint256 _value) public returns (bool) {
    require(_to != address(0));
    require(_value <= balances[_from]);
    require(_value <= allowed[_from][msg.sender]);

    balances[_from] = balances[_from].sub(_value);
    balances[_to] = balances[_to].add(_value);
    allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value);
    Transfer(_from, _to, _value);
    return true;
  }

approve

Parameters

Name	Type
_spender	address
_value	uint256

Properties

Visibility public

Mutability transaction

Source Code

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

increaseApproval

Parameters

Name	Type
_spender	address
_addedValue	uint

Properties

Visibility public

Mutability transaction

Source Code

  function increaseApproval(address _spender, uint _addedValue) public returns (bool) {
    allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(_addedValue);
    Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
    return true;
  }

decreaseApproval

Parameters

Name	Type
_spender	address
_subtractedValue	uint

Properties

Visibility public

Mutability transaction

Source Code

  function decreaseApproval(address _spender, uint _subtractedValue) public returns (bool) {
    uint oldValue = allowed[msg.sender][_spender];
    if (_subtractedValue > oldValue) {
      allowed[msg.sender][_spender] = 0;
    } else {
      allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue);
    }
    Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
    return true;
  }

burn

Parameters

Name	Type
_value	uint256

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

owner must be equal to the sender's address

Requirements

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

Source Code

    function burn(uint256 _value) public onlyOwner returns (bool success) {
        // Check if the sender has enough
        require(balances[msg.sender] >= _value);
        // Subtract from the sender
        balances[msg.sender] = balances[msg.sender].sub(_value);
        // Updates totalSupply
        totalSupply = totalSupply.sub(_value);
        Burn(msg.sender, _value);
        return true;
    }

UTRUST Token

ERC20

About link description

Stats

Library Use

Events (4) keyboard_arrow_up

Approval Event

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

Burn Event

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

OwnershipTransferred 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.

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:

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

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

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

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

increaseApproval 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

decreaseApproval 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

burn 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:

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

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About

Events (4)

Parameters

Parameters

Parameters

Parameters

transferOwnership

Parameters

Modifiers

Requirements

balanceOf

Parameters

transfer

Parameters

Requirements

allowance

Parameters

transferFrom

Parameters

Requirements

approve

Parameters

increaseApproval

Parameters

decreaseApproval

Parameters

burn

Parameters

Modifiers

Requirements