Blockwell

Genesis Vision Token

ERC20

This contract is an ERC20 token.

Name Genesis Vision Token
Symbol GVT
Decimals 18
Total Supply 4,436,644 GVT

About link description

Genesis Vision (GVT) is the platform for the private trust management market, built on Blockchain technology and Smart Contracts. Genesis Vision intends to create a service via which managers, brokers, traders, exchanges, and other financial instruments can access a diverse range of assets via one interface.

Stats

Public Functions 13
Event Types 3
Code Size 7,871 bytes

Approval Event

Parameters help
owner
address help
spender
address help
value
uint256 help

Migrate Event

Parameters help
_from
address help
_to
address help
_value
uint help

Transfer Event

Parameters help
from
address help
to
address help
value
uint256 help

Functions Expand All Collapse All

balanceOf keyboard_arrow_up

Parameters help

Name Type
_owner
address help

Properties

Visibility help public
Mutability help constant
Source Code
  function balanceOf(address _owner) constant returns (uint256 balance) {
    return balances[_owner];
  }

transfer keyboard_arrow_up

Parameters help

Name Type
_to
address help
_value
uint256 help

Properties

Visibility help public
Mutability help transaction
Source Code
  function transfer(address _to, uint256 _value) returns (bool) {
    balances[msg.sender] = balances[msg.sender].sub(_value);
    balances[_to] = balances[_to].add(_value);
    Transfer(msg.sender, _to, _value);
    return true;
  }

allowance keyboard_arrow_up

Parameters help

Name Type
_owner
address help
_spender
address help

Properties

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

transferFrom keyboard_arrow_up

Parameters help

Name Type
_from
address help
_to
address help
_value
uint256 help

Properties

Visibility help public
Mutability help transaction
Source Code
  function transferFrom(address _from, address _to, uint256 _value) returns (bool) {
    var _allowance = allowed[_from][msg.sender];

    // Check is not needed because sub(_allowance, _value) will already throw if this condition is not met
    // require (_value <= _allowance);

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

approve keyboard_arrow_up

Parameters help

Name Type
_spender
address help
_value
uint256 help

Properties

Visibility help public
Mutability help transaction

Requirements help

One or more of the following:
Source Code
  function approve(address _spender, uint256 _value) returns (bool) {

    // To change the approve amount you first have to reduce the addresses`
    //  allowance to zero by calling `approve(_spender, 0)` if it is not
    //  already 0 to mitigate the race condition described here:
    //  https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
    require((_value == 0) || (allowed[msg.sender][_spender] == 0));

    allowed[msg.sender][_spender] = _value;
    Approval(msg.sender, _spender, _value);
    return true;
  }

mint keyboard_arrow_up

Parameters help

Name Type
holder
address help
value
uint help

Properties

Visibility help public
Mutability help transaction
Source Code
    function mint(address holder, uint value) {
        require(msg.sender == ico);
        require(value > 0);
        require(totalSupply + value <= TOKEN_LIMIT);

        balances[holder] += value;
        totalSupply += value;
        Transfer(0x0, holder, value);
    }

unfreeze keyboard_arrow_up

Parameters help

This function has no parameters.

Properties

Visibility help public
Mutability help transaction
Source Code
    function unfreeze() {
        require(msg.sender == ico);
        isFrozen = false;
    }

transfer keyboard_arrow_up

Parameters help

Name Type
_to
address help
_value
uint help

Properties

Visibility help public
Mutability help transaction
Source Code
    function transfer(address _to, uint _value) public returns (bool) {
        require(_to != address(0));
        require(!isFrozen);
        return super.transfer(_to, _value);
    }

transferFrom keyboard_arrow_up

Parameters help

Name Type
_from
address help
_to
address help
_value
uint help

Properties

Visibility help public
Mutability help transaction

Requirements help

Source Code
    function transferFrom(address _from, address _to, uint _value) public returns (bool) {
        require(!isFrozen);
        return super.transferFrom(_from, _to, _value);
    }

approve keyboard_arrow_up

Parameters help

Name Type
_spender
address help
_value
uint help

Properties

Visibility help public
Mutability help transaction

Requirements help

Source Code
    function approve(address _spender, uint _value) public returns (bool) {
        require(!isFrozen);
        return super.approve(_spender, _value);
    }

migrate keyboard_arrow_up

Parameters help

Name Type
value
uint help

Properties

Visibility help public
Mutability help transaction
Source Code
    function migrate(uint value) external {
        require(migrationAgent != 0);
        require(value > 0);
        require(value <= balances[msg.sender]);

        balances[msg.sender] -= value;
        totalSupply -= value;
        totalMigrated += value;
        MigrationAgent(migrationAgent).migrateFrom(msg.sender, value);
        Migrate(msg.sender, migrationAgent, value);
    }

setMigrationAgent keyboard_arrow_up

Parameters help

Name Type
_agent
address help

Properties

Visibility help public
Mutability help transaction
Source Code
    function setMigrationAgent(address _agent) external {
        require(migrationAgent == 0);
        require(msg.sender == migrationMaster);
        migrationAgent = _agent;
    }

setMigrationMaster keyboard_arrow_up

Parameters help

Name Type
_master
address help

Properties

Visibility help public
Mutability help transaction
Source Code
    function setMigrationMaster(address _master) external {
        require(msg.sender == migrationMaster);
        require(_master != 0);
        migrationMaster = _master;
    }