Primas Token

0x5d4abc77b8405ad177d8ac6682d584ecbfd46cec Copy

ERC20

This contract is an ERC20 token.

Name Primas Token

Symbol PST

Decimals 18

Total Supply 120,980,822 PST

About

Primas (PST) is a cryptocurrency and operates on the Ethereum platform. Primas has a current supply of 101,342,465.753 with 52,692,564.7534 in circulation. The last known price of Primas is 0.01987922 USD and is up 0.93 over the last 24 hours. It is currently trading on 4 active market(s) with $2,804,640.17 traded over the last 24 hours. More information can be found at https://primas.io/.

Stats

Public Functions 16

Event Types 7

Code Size 8,757 bytes

Library Use

Uses SafeMath for uint256.

Events (7)

Approval Event

Parameters

_owner	address
_spender	address
_value	uint256

Inflate Event

Parameters

incentivesPoolValue

uint256

Lock Event

Parameters

userAddress	address
amount	uint256

RoleAdded Event

Parameters

addr	address
roleName	string

RoleRemoved Event

Parameters

addr	address
roleName	string

Transfer Event

Parameters

_from	address
_to	address
_value	uint256

Unlock Event

Parameters

userAddress	address
amount	uint256

State Variables (14)

name Variable

string

decimals Variable

uint256

symbol Variable

string

version Variable

string

checkRole

Parameters

Name	Type
addr	address
roleName	string

Properties

Visibility public

Mutability view

Source Code

function checkRole(address addr, string roleName) public view {
  roles[roleName].check(addr);
}

hasRole

Parameters

Name	Type
addr	address
roleName	string

Properties

Visibility public

Mutability view

Source Code

function hasRole(address addr, string roleName) public view returns (bool) {
  return roles[roleName].has(addr);
}

addRole

Parameters

Name	Type
addr	address
roleName	string

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

initialOwner must be equal to the sender's address

Source Code

function addRole(address addr, string roleName) public onlyOwner {
  roles[roleName].add(addr);
  emit RoleAdded(addr, roleName);
}

removeRole

Parameters

Name	Type
addr	address
roleName	string

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

initialOwner must be equal to the sender's address

Source Code

function removeRole(address addr, string roleName) public onlyOwner {
  roles[roleName].remove(addr);
  emit RoleRemoved(addr, roleName);
}

inflate

Parameters

This function has no parameters.

Properties

Visibility public

Mutability transaction

Modifiers

onlyRole checks for the following:

Requirements

lastInflationDayStart must not be equal to currentDayStart

Source Code

function inflate() public onlyRole("InflationOperator") returns (uint256) {
  uint256 currentTime = block.timestamp;
  uint256 currentDayStart = currentTime / 1 days;
  uint256 inflationAmount;
  require(lastInflationDayStart != currentDayStart);
  lastInflationDayStart = currentDayStart;
  uint256 createDurationYears = (currentTime - deployTime) / 1 years;
  if (createDurationYears < 1) {
    inflationAmount = initialAmount / 10 / 365;
  } else if (createDurationYears >= 20) {
    inflationAmount = 0;
  } else {
    inflationAmount =
      (initialAmount * (100 - (5 * createDurationYears))) /
      365 /
      1000;
  }
  incentivesPool = incentivesPool.add(inflationAmount);
  totalSupply = totalSupply.add(inflationAmount);
  emit Inflate(incentivesPool);
  return incentivesPool;
}

getIncentivesPool

Parameters

This function has no parameters.

Properties

Visibility public

Mutability view

Source Code

function getIncentivesPool() public view returns (uint256) {
  return incentivesPool;
}

incentivesIn

Parameters

Name	Type
_users	address[]
_values	uint256[]

Properties

Visibility public

Mutability transaction

Modifiers

onlyRole checks for the following:

Requirements

the number of values in _users must be equal to the number of values in _values

Source Code

function incentivesIn(address[] _users, uint256[] _values)
  public
  onlyRole("IncentivesCollector")
  returns (bool success)
{
  require(_users.length == _values.length);
  for (uint256 i = 0; i < _users.length; i++) {
    userLockedTokens[_users[i]] = userLockedTokens[_users[i]].sub(_values[i]);
    balances[_users[i]] = balances[_users[i]].sub(_values[i]);
    incentivesPool = incentivesPool.add(_values[i]);
    emit Transfer(_users[i], address(0), _values[i]);
  }
  return true;
}

incentivesOut

Parameters

Name	Type
_users	address[]
_values	uint256[]

Properties

Visibility public

Mutability transaction

Modifiers

onlyRole checks for the following:

Requirements

the number of values in _users must be equal to the number of values in _values

Source Code

function incentivesOut(address[] _users, uint256[] _values)
  public
  onlyRole("IncentivesDistributor")
  returns (bool success)
{
  require(_users.length == _values.length);
  for (uint256 i = 0; i < _users.length; i++) {
    incentivesPool = incentivesPool.sub(_values[i]);
    balances[_users[i]] = balances[_users[i]].add(_values[i]);
    emit Transfer(address(0), _users[i], _values[i]);
  }
  return true;
}

tokenLock

Parameters

Name	Type
_userAddress	address
_amount	uint256

Properties

Visibility public

Mutability transaction

Modifiers

onlyRole checks for the following:

Requirements

_amount must be less than or equal to the result of calling balanceOf with _userAddress

Source Code

function tokenLock(address _userAddress, uint256 _amount)
  public
  onlyRole("Locker")
{
  require(balanceOf(_userAddress) >= _amount);
  userLockedTokens[_userAddress] = userLockedTokens[_userAddress].add(_amount);
  emit Lock(_userAddress, _amount);
}

tokenUnlock

Parameters

Name	Type
_userAddress	address
_amount	uint256
_to	address
_toAmount	uint256

Properties

Visibility public

Mutability transaction

Modifiers

onlyRole checks for the following:

Requirements

_amount must be greater than or equal to _toAmount

_amount must be less than or equal to userLockedTokens for _userAddress

Source Code

function tokenUnlock(
  address _userAddress,
  uint256 _amount,
  address _to,
  uint256 _toAmount
) public onlyRole("Unlocker") {
  require(_amount >= _toAmount);
  require(userLockedTokens[_userAddress] >= _amount);
  userLockedTokens[_userAddress] = userLockedTokens[_userAddress].sub(_amount);
  emit Unlock(_userAddress, _amount);
  if (_to != address(0) && _toAmount != 0) {
    balances[_userAddress] = balances[_userAddress].sub(_toAmount);
    balances[_to] = balances[_to].add(_toAmount);
    emit Transfer(_userAddress, _to, _toAmount);
  }
}

transferAndLock

Parameters

Name	Type
_userAddress	address
_to	address
_amount	uint256

Properties

Visibility public

Mutability transaction

Modifiers

onlyRole checks for the following:

Requirements

_amount must be less than or equal to the result of calling balanceOf with _userAddress

Source Code

function transferAndLock(
  address _userAddress,
  address _to,
  uint256 _amount
) public onlyRole("Locker") {
  require(balanceOf(_userAddress) >= _amount);
  balances[_userAddress] = balances[_userAddress].sub(_amount);
  balances[_to] = balances[_to].add(_amount);
  userLockedTokens[_to] = userLockedTokens[_to].add(_amount);
  emit Transfer(_userAddress, _to, _amount);
  emit Lock(_to, _amount);
}

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] - userLockedTokens[_owner];
}

transfer

Parameters

Name	Type
_to	address
_value	uint256

Properties

Visibility public

Mutability transaction

Requirements

_value must be less than or equal to the result of calling balanceOf with the sender's address

Source Code

function transfer(address _to, uint256 _value) public returns (bool success) {
  require(balanceOf(msg.sender) >= _value);
  balances[msg.sender] = balances[msg.sender].sub(_value);
  balances[_to] = balances[_to].add(_value);
  emit Transfer(msg.sender, _to, _value);
  return true;
}

transferFrom

Parameters

Name	Type
_from	address
_to	address
_value	uint256

Properties

Visibility public

Mutability transaction

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 the result of calling balanceOf with _from

Source Code

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

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.

Primas Token

ERC20

About link description

Stats

Library Use

Events (7) keyboard_arrow_up

Approval Event

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

Inflate Event

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

Lock Event

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

RoleAdded Event

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

RoleRemoved 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.

Unlock Event

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

State Variables (14) keyboard_arrow_up

name Variable

decimals Variable

symbol Variable

version Variable

totalSupply Variable

initialAmount Variable

deployTime Variable

lastInflationDayStart Variable

incentivesPool Variable

userLockedTokens Variable

balances Variable

allowed Variable

initialOwner Variable

roles Variable

Functions Expand All Collapse All

checkRole 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

hasRole 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

addRole 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

removeRole 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

inflate 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.

onlyRole 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

getIncentivesPool 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

incentivesIn 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.

onlyRole 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

incentivesOut 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.

onlyRole 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.

About

Events (7)

Parameters

Parameters

Parameters

Parameters

Parameters

Parameters

Parameters

State Variables (14)

checkRole

Parameters

hasRole

Parameters

addRole

Parameters

Modifiers

removeRole

Parameters

Modifiers

inflate

Parameters

Modifiers

Requirements

getIncentivesPool

Parameters

incentivesIn

Parameters

Modifiers

Requirements

incentivesOut

Parameters

Modifiers

Requirements

tokenLock

Parameters

Modifiers

Requirements

tokenUnlock

Parameters

Modifiers

Requirements

transferAndLock

Parameters

Modifiers

Requirements

balanceOf

Parameters

transfer

Parameters

Requirements

transferFrom

Parameters

Requirements

approve

Parameters

allowance

Parameters