Eximchain Token

0x00c4b398500645eb5da00a1a379a88b11683ba01 Copy

ERC20

This contract is an ERC20 token.

Name Eximchain Token

Symbol EXC

Decimals 18

Total Supply 150,000,000 EXC

About

Stats

Public Functions 19

Event Types 9

Code Size 13,607 bytes

Events (9)

Approval Event

Parameters

_owner	address
_spender	address
_value	uint256

Finalized Event

Parameters

Frozen Event

Parameters

OpsAddressUpdated Event

Parameters

_newAddress

address

OwnershipTransferCompleted Event

Parameters

_newOwner

address

OwnershipTransferInitiated Event

Parameters

_proposedOwner

address

TokensBurnt Event

Parameters

_account	address
_amount	uint256

TokensReclaimed Event

Parameters

_amount

uint256

Transfer Event

Parameters

_from	address
_to	address
_value	uint256

Constants (5)

TOKEN_SYMBOL Constant

string

EXC

TOKEN_NAME Constant

string

Eximchain Token

TOKEN_DECIMALS Constant

uint8

DECIMALSFACTOR Constant

uint256

UNKNOWN VALUE

TOKEN_TOTALSUPPLY Constant

uint256

150000000 * DECIMALSFACTOR

State Variables (11)

frozen Variable

bool

opsAddress Variable

address

owner Variable

address

proposedOwner Variable

address

finalized Variable

bool

tokenName Variable

string

Internal Variable

tokenSymbol Variable

string

Internal Variable

tokenDecimals Variable

uint8

Internal Variable

tokenTotalSupply Variable

uint256

Internal Variable

balances Variable

mapping(address => uint256)

Internal Variable

allowed Variable

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

Internal Variable

Functions Expand All Collapse All

isOwner

Parameters

Name	Type
_address	address

Properties

Visibility public

Mutability view

Source Code

function isOwner(address _address) public view returns (bool) {
  return (_address == owner);
}

initiateOwnershipTransfer

Parameters

Name	Type
_proposedOwner	address

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

the result of calling isOwner with the sender's address must be equal to true

Requirements

_proposedOwner must not be equal to UNKNOWN VALUE

_proposedOwner must not be equal to owner

Source Code

function initiateOwnershipTransfer(address _proposedOwner)
  public
  onlyOwner
  returns (bool)
{
  require(_proposedOwner != address(0));
  require(_proposedOwner != address(this));
  require(_proposedOwner != owner);

  proposedOwner = _proposedOwner;

  OwnershipTransferInitiated(proposedOwner);

  return true;
}

completeOwnershipTransfer

Parameters

This function has no parameters.

Properties

Visibility public

Mutability transaction

Requirements

proposedOwner must be equal to the sender's address

Source Code

function completeOwnershipTransfer() public returns (bool) {
  require(msg.sender == proposedOwner);

  owner = msg.sender;
  proposedOwner = address(0);

  OwnershipTransferCompleted(owner);

  return true;
}

finalize

Parameters

This function has no parameters.

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

the result of calling isOwner with the sender's address must be equal to true

Requirements

finalized must not be true

Source Code

function finalize() public onlyOwner returns (bool) {
  require(!finalized);

  finalized = true;

  Finalized();

  return true;
}

isOps

Parameters

Name	Type
_address	address

Properties

Visibility public

Mutability view

Source Code

function isOps(address _address) public view returns (bool) {
  return (opsAddress != address(0) && _address == opsAddress);
}

isOwnerOrOps

Parameters

Name	Type
_address	address

Properties

Visibility public

Mutability view

Source Code

function isOwnerOrOps(address _address) public view returns (bool) {
  return (isOwner(_address) || isOps(_address));
}

setOpsAddress

Parameters

Name	Type
_newOpsAddress	address

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

the result of calling isOwner with the sender's address must be equal to true

Requirements

_newOpsAddress must not be equal to owner

_newOpsAddress must not be equal to UNKNOWN VALUE

Source Code

function setOpsAddress(address _newOpsAddress) public onlyOwner returns (bool) {
  require(_newOpsAddress != owner);
  require(_newOpsAddress != address(this));

  opsAddress = _newOpsAddress;

  OpsAddressUpdated(opsAddress);

  return true;
}

name

Parameters

This function has no parameters.

Properties

Visibility public

Mutability view

Source Code

function name() public view returns (string) {
  return tokenName;
}

symbol

Parameters

This function has no parameters.

Properties

Visibility public

Mutability view

Source Code

function symbol() public view returns (string) {
  return tokenSymbol;
}

decimals

Parameters

This function has no parameters.

Properties

Visibility public

Mutability view

Source Code

function decimals() public view returns (uint8) {
  return tokenDecimals;
}

totalSupply

Parameters

This function has no parameters.

Properties

Visibility public

Mutability view

Source Code

function totalSupply() public view returns (uint256) {
  return tokenTotalSupply;
}

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];
}

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 remaining)
{
  return allowed[_owner][_spender];
}

transfer

Parameters

Name	Type
_to	address
_value	uint256

Properties

Visibility public

Mutability transaction

Requirements

frozen must not be true

null

Source Code

function transfer(address _to, uint256 _value) public returns (bool success) {
  require(!frozen);

  return super.transfer(_to, _value);
}

transferFrom

Parameters

Name	Type
_from	address
_to	address
_value	uint256

Properties

Visibility public

Mutability transaction

Requirements

frozen must not be true

null

Source Code

function transferFrom(
  address _from,
  address _to,
  uint256 _value
) public returns (bool success) {
  require(!frozen);

  return super.transferFrom(_from, _to, _value);
}

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;

  Approval(msg.sender, _spender, _value);

  return true;
}

burn

Parameters

Name	Type
_amount	uint256

Properties

Visibility public

Mutability transaction

Requirements

_amount must be greater than 0

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

Source Code

function burn(uint256 _amount) public returns (bool) {
  require(_amount > 0);

  address account = msg.sender;
  require(_amount <= balanceOf(account));

  balances[account] = balances[account].sub(_amount);
  tokenTotalSupply = tokenTotalSupply.sub(_amount);

  TokensBurnt(account, _amount);

  return true;
}

reclaimTokens

Parameters

This function has no parameters.

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

the result of calling isOwner with the sender's address must be equal to true

Source Code

function reclaimTokens() public onlyOwner returns (bool) {
  address account = address(this);
  uint256 amount = balanceOf(account);

  if (amount == 0) {
    return false;
  }

  balances[account] = balances[account].sub(amount);
  balances[owner] = balances[owner].add(amount);

  Transfer(account, owner, amount);

  TokensReclaimed(amount);

  return true;
}

freeze

Parameters

This function has no parameters.

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

the result of calling isOwner with the sender's address must be equal to true

Requirements

frozen must not be true

Source Code

function freeze() public onlyOwner returns (bool) {
  require(!frozen);

  frozen = true;

  Frozen();

  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 FinalizableToken.validateTransfer

Parameters

Name	Type
_sender	address
_to	address

Properties

Visibility private

Mutability view

Requirements

null

Source Code

function validateTransfer(address _sender, address _to) private view {
  // Once the token is finalized, everybody can transfer tokens.
  if (finalized) {
    return;
  }

  if (isOwner(_to)) {
    return;
  }

  // Before the token is finalized, only owner and ops are allowed to initiate transfers.
  // This allows them to move tokens while the sale is still ongoing for example.
  require(isOwnerOrOps(_sender));
}

Eximchain Token

ERC20

About

Stats

Events (9) keyboard_arrow_up

Approval Event

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

Finalized Event

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

Frozen Event

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

OpsAddressUpdated Event

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

OwnershipTransferCompleted Event

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

OwnershipTransferInitiated Event

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

TokensBurnt Event

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

TokensReclaimed 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

TOKEN_SYMBOL Constant

TOKEN_NAME Constant

TOKEN_DECIMALS Constant

DECIMALSFACTOR Constant

TOKEN_TOTALSUPPLY Constant

State Variables (11) keyboard_arrow_up

frozen Variable

opsAddress Variable

owner Variable

proposedOwner Variable

finalized Variable

tokenName Variable

tokenSymbol Variable

tokenDecimals Variable

tokenTotalSupply Variable

balances Variable

allowed Variable

Functions Expand All Collapse All

isOwner 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

initiateOwnershipTransfer 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

completeOwnershipTransfer 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

finalize 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

isOps 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

isOwnerOrOps 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

setOpsAddress 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

Events (9)

Parameters

Parameters

Parameters

Parameters

Parameters

Parameters

Parameters

Parameters

Parameters

Constants (5)

State Variables (11)

isOwner

Parameters

initiateOwnershipTransfer

Parameters

Modifiers

Requirements

completeOwnershipTransfer

Parameters

Requirements

finalize

Parameters

Modifiers

Requirements

isOps

Parameters

isOwnerOrOps

Parameters

setOpsAddress

Parameters

Modifiers

Requirements

name

Parameters

symbol

Parameters

decimals

Parameters

totalSupply

Parameters

balanceOf

Parameters

allowance

Parameters

transfer

Parameters

Requirements

transferFrom

Parameters

Requirements

approve

Parameters

burn

Parameters

Requirements

reclaimTokens

Parameters

Modifiers

freeze

Parameters

Modifiers

Requirements

internal FinalizableToken.validateTransfer

Parameters

Requirements