Token-as-a-Service

0xe7775a6e9bcf904eb39da2b68c5efb4f9360e08c Copy

ERC20

This contract is an ERC20 token.

Name Token-as-a-Service

Symbol TAAS

Decimals 6

Total Supply 8,146,001 TAAS

About

Stats

Public Functions 34

Event Types 3

Code Size 20,171 bytes

Events (3)

Approval Event

Parameters

from	address
spender	address
value	uint256

Transfer Event

Parameters

from	address
to	address
value	uint256

UpgradeProposal Event

Parameters

newVersion

address

Constants (1)

UPGRADE_FREEZE_TIME Constant

uint

3 days

State Variables (8)

etoken2 Variable

address

etoken2Symbol Variable

bytes32

name Variable

string

symbol Variable

string

latestVersion Variable

address

Internal Variable

pendingVersion Variable

address

Internal Variable

pendingVersionTimestamp Variable

uint

Internal Variable

userOptOutVersion Variable

mapping(address => address)

Internal Variable

Functions Expand All Collapse All

_forwardApprove

Parameters

Name	Type
_spender	address
_value	uint
_sender	address

Properties

Visibility public

Mutability transaction

Modifiers

onlyImplementationFor checks for the following:

Source Code

function _forwardApprove(
  address _spender,
  uint256 _value,
  address _sender
) onlyImplementationFor(_sender) returns (bool) {
  return etoken2.proxyApprove(_spender, _value, etoken2Symbol, _sender);
}

_forwardTransferFromWithReference

Parameters

Name	Type
_from	address
_to	address
_value	uint
_reference	string
_sender	address

Properties

Visibility public

Mutability transaction

Modifiers

onlyImplementationFor checks for the following:

Source Code

function _forwardTransferFromWithReference(
  address _from,
  address _to,
  uint256 _value,
  string _reference,
  address _sender
) onlyImplementationFor(_sender) returns (bool) {
  return
    etoken2.proxyTransferFromWithReference(
      _from,
      _to,
      _value,
      etoken2Symbol,
      _reference,
      _sender
    );
}

_forwardTransferFromToICAPWithReference

Parameters

Name	Type
_from	address
_icap	bytes32
_value	uint
_reference	string
_sender	address

Properties

Visibility public

Mutability transaction

Modifiers

onlyImplementationFor checks for the following:

Source Code

function _forwardTransferFromToICAPWithReference(
  address _from,
  bytes32 _icap,
  uint256 _value,
  string _reference,
  address _sender
) onlyImplementationFor(_sender) returns (bool) {
  return
    etoken2.proxyTransferFromToICAPWithReference(
      _from,
      _icap,
      _value,
      _reference,
      _sender
    );
}

totalSupply

Parameters

This function has no parameters.

Properties

Visibility public

Mutability constant

Source Code

function totalSupply() constant returns (uint256) {
  return etoken2.totalSupply(etoken2Symbol);
}

balanceOf

Parameters

Name	Type
_owner	address

Properties

Visibility public

Mutability constant

Source Code

function balanceOf(address _owner) constant returns (uint256) {
  return etoken2.balanceOf(_owner, etoken2Symbol);
}

transfer

Parameters

Name	Type
_to	address
_value	uint256

Properties

Visibility public

Mutability transaction

Source Code

function transfer(address _to, uint256 _value) returns (bool success);

transferFrom

Parameters

Name	Type
_from	address
_to	address
_value	uint256

Properties

Visibility public

Mutability transaction

Source Code

function transferFrom(
  address _from,
  address _to,
  uint256 _value
) returns (bool success);

approve

Parameters

Name	Type
_spender	address
_value	uint256

Properties

Visibility public

Mutability transaction

Source Code

function approve(address _spender, uint256 _value) returns (bool success);

allowance

Parameters

Name	Type
_from	address
_spender	address

Properties

Visibility public

Mutability constant

Source Code

function allowance(address _from, address _spender) constant returns (uint256) {
  return etoken2.allowance(_from, _spender, etoken2Symbol);
}

decimals

Parameters

This function has no parameters.

Properties

Visibility public

Mutability constant

Source Code

function decimals() constant returns (uint8) {
  return etoken2.baseUnit(etoken2Symbol);
}

init

Parameters

Name	Type
_etoken2	EToken2
_symbol	string
_name	string

Properties

Visibility public

Mutability transaction

Source Code

function init(
  EToken2 _etoken2,
  string _symbol,
  string _name
) returns (bool) {
  if (address(etoken2) != 0x0) {
    return false;
  }
  etoken2 = _etoken2;
  etoken2Symbol = _bytes32(_symbol);
  name = _name;
  symbol = _symbol;
  return true;
}

recoverTokens

Parameters

Name	Type
_value	uint

Properties

Visibility public

Mutability transaction

Modifiers

onlyAssetOwner checks for the following:

Source Code

function recoverTokens(uint256 _value) onlyAssetOwner() returns (bool) {
  return this.transferWithReference(msg.sender, _value, "Tokens recovery");
}

transfer

Parameters

Name	Type
_to	address
_value	uint

Properties

Visibility public

Mutability transaction

Source Code

function transfer(address _to, uint256 _value) returns (bool) {
  return transferWithReference(_to, _value, "");
}

transferWithReference

Parameters

Name	Type
_to	address
_value	uint
_reference	string

Properties

Visibility public

Mutability transaction

Source Code

function transferWithReference(
  address _to,
  uint256 _value,
  string _reference
) returns (bool) {
  return
    _getAsset()._performTransferWithReference(
      _to,
      _value,
      _reference,
      msg.sender
    );
}

transferToICAP

Parameters

Name	Type
_icap	bytes32
_value	uint

Properties

Visibility public

Mutability transaction

Source Code

function transferToICAP(bytes32 _icap, uint256 _value) returns (bool) {
  return transferToICAPWithReference(_icap, _value, "");
}

transferToICAPWithReference

Parameters

Name	Type
_icap	bytes32
_value	uint
_reference	string

Properties

Visibility public

Mutability transaction

Source Code

function transferToICAPWithReference(
  bytes32 _icap,
  uint256 _value,
  string _reference
) returns (bool) {
  return
    _getAsset()._performTransferToICAPWithReference(
      _icap,
      _value,
      _reference,
      msg.sender
    );
}

transferFrom

Parameters

Name	Type
_from	address
_to	address
_value	uint

Properties

Visibility public

Mutability transaction

Source Code

function transferFrom(
  address _from,
  address _to,
  uint256 _value
) returns (bool) {
  return transferFromWithReference(_from, _to, _value, "");
}

transferFromWithReference

Parameters

Name	Type
_from	address
_to	address
_value	uint
_reference	string

Properties

Visibility public

Mutability transaction

Source Code

function transferFromWithReference(
  address _from,
  address _to,
  uint256 _value,
  string _reference
) returns (bool) {
  return
    _getAsset()._performTransferFromWithReference(
      _from,
      _to,
      _value,
      _reference,
      msg.sender
    );
}

transferFromToICAP

Parameters

Name	Type
_from	address
_icap	bytes32
_value	uint

Properties

Visibility public

Mutability transaction

Source Code

function transferFromToICAP(
  address _from,
  bytes32 _icap,
  uint256 _value
) returns (bool) {
  return transferFromToICAPWithReference(_from, _icap, _value, "");
}

transferFromToICAPWithReference

Parameters

Name	Type
_from	address
_icap	bytes32
_value	uint
_reference	string

Properties

Visibility public

Mutability transaction

Source Code

function transferFromToICAPWithReference(
  address _from,
  bytes32 _icap,
  uint256 _value,
  string _reference
) returns (bool) {
  return
    _getAsset()._performTransferFromToICAPWithReference(
      _from,
      _icap,
      _value,
      _reference,
      msg.sender
    );
}

approve

Parameters

Name	Type
_spender	address
_value	uint

Properties

Visibility public

Mutability transaction

Source Code

function approve(address _spender, uint256 _value) returns (bool) {
  return _getAsset()._performApprove(_spender, _value, msg.sender);
}

emitTransfer

Parameters

Name	Type
_from	address
_to	address
_value	uint

Properties

Visibility public

Mutability transaction

Modifiers

onlyEToken2 checks for the following:

Source Code

function emitTransfer(
  address _from,
  address _to,
  uint256 _value
) onlyEToken2() {
  Transfer(_from, _to, _value);
}

emitApprove

Parameters

Name	Type
_from	address
_spender	address
_value	uint

Properties

Visibility public

Mutability transaction

Modifiers

onlyEToken2 checks for the following:

Source Code

function emitApprove(
  address _from,
  address _spender,
  uint256 _value
) onlyEToken2() {
  Approval(_from, _spender, _value);
}

constructor

Parameters

This function has no parameters.

Properties

Visibility public

Mutability payable

Source Code

function() payable {
  bytes32 result = _getAsset()._performGeneric.value(msg.value)(
    msg.data,
    msg.sender
  );
  assembly {
    mstore(0, result)
    return(0, 32)
  }
}

getVersionFor

Parameters

Name	Type
_sender	address

Properties

Visibility public

Mutability constant

Source Code

function getVersionFor(address _sender) constant returns (address) {
  return
    userOptOutVersion[_sender] == 0
      ? latestVersion
      : userOptOutVersion[_sender];
}

getLatestVersion

Parameters

This function has no parameters.

Properties

Visibility public

Mutability constant

Source Code

function getLatestVersion() constant returns (address) {
  return latestVersion;
}

getPendingVersion

Parameters

This function has no parameters.

Properties

Visibility public

Mutability constant

Source Code

function getPendingVersion() constant returns (address) {
  return pendingVersion;
}

getPendingVersionTimestamp

Parameters

This function has no parameters.

Properties

Visibility public

Mutability constant

Source Code

function getPendingVersionTimestamp() constant returns (uint256) {
  return pendingVersionTimestamp;
}

proposeUpgrade

Parameters

Name	Type
_newVersion	address

Properties

Visibility public

Mutability transaction

Modifiers

onlyAssetOwner checks for the following:

Source Code

function proposeUpgrade(address _newVersion) onlyAssetOwner() returns (bool) {
  // Should not already be in the upgrading process.
  if (pendingVersion != 0x0) {
    return false;
  }
  // New version address should be other than 0x0.
  if (_newVersion == 0x0) {
    return false;
  }
  // Don't apply freeze-time for the initial setup.
  if (latestVersion == 0x0) {
    latestVersion = _newVersion;
    return true;
  }
  pendingVersion = _newVersion;
  pendingVersionTimestamp = now;
  UpgradeProposal(_newVersion);
  return true;
}

purgeUpgrade

Parameters

This function has no parameters.

Properties

Visibility public

Mutability transaction

Modifiers

onlyAssetOwner checks for the following:

Source Code

function purgeUpgrade() onlyAssetOwner() returns (bool) {
  if (pendingVersion == 0x0) {
    return false;
  }
  delete pendingVersion;
  delete pendingVersionTimestamp;
  return true;
}

commitUpgrade

Parameters

This function has no parameters.

Properties

Visibility public

Mutability transaction

Source Code

function commitUpgrade() returns (bool) {
  if (pendingVersion == 0x0) {
    return false;
  }
  if (pendingVersionTimestamp + UPGRADE_FREEZE_TIME > now) {
    return false;
  }
  latestVersion = pendingVersion;
  delete pendingVersion;
  delete pendingVersionTimestamp;
  return true;
}

optOut

Parameters

This function has no parameters.

Properties

Visibility public

Mutability transaction

Source Code

function optOut() returns (bool) {
  if (userOptOutVersion[msg.sender] != 0x0) {
    return false;
  }
  userOptOutVersion[msg.sender] = latestVersion;
  return true;
}

optIn

Parameters

This function has no parameters.

Properties

Visibility public

Mutability transaction

Source Code

function optIn() returns (bool) {
  delete userOptOutVersion[msg.sender];
  return true;
}

multiAsset

Parameters

This function has no parameters.

Properties

Visibility public

Mutability constant

Source Code

function multiAsset() constant returns (EToken2) {
  return etoken2;
}

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 TAAS._getAsset

Parameters

This function has no parameters.

Properties

Visibility internal

Mutability transaction

Source Code

function _getAsset() internal returns (Asset) {
  return Asset(getVersionFor(msg.sender));
}

internal Bytes32._bytes32

Parameters

Name	Type
_input	string

Properties

Visibility internal

Mutability constant

Source Code

function _bytes32(string _input) internal constant returns (bytes32 result) {
  assembly {
    result := mload(add(_input, 32))
  }
}

Token-as-a-Service

ERC20

About

Stats

Events (3) keyboard_arrow_up

Approval 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.

UpgradeProposal Event

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

Constants (1) keyboard_arrow_up

UPGRADE_FREEZE_TIME Constant

State Variables (8) keyboard_arrow_up

etoken2 Variable

etoken2Symbol Variable

name Variable

symbol Variable

latestVersion Variable

pendingVersion Variable

pendingVersionTimestamp Variable

userOptOutVersion Variable

Functions Expand All Collapse All

_forwardApprove 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.

onlyImplementationFor checks for the following:

Source Code

_forwardTransferFromWithReference 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.

onlyImplementationFor checks for the following:

Source Code

_forwardTransferFromToICAPWithReference 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.

onlyImplementationFor checks for the following:

Source Code

totalSupply 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

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

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

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

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

decimals 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

init 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

recoverTokens 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.

onlyAssetOwner checks for the following:

Source Code

transfer keyboard_arrow_up

Events (3)

Parameters

Parameters

Parameters

Constants (1)

State Variables (8)

_forwardApprove

Parameters

Modifiers

_forwardTransferFromWithReference

Parameters

Modifiers

_forwardTransferFromToICAPWithReference

Parameters

Modifiers

totalSupply

Parameters

balanceOf

Parameters

transfer

Parameters

transferFrom

Parameters

approve

Parameters

allowance

Parameters

decimals

Parameters

init

Parameters

recoverTokens

Parameters

Modifiers

transfer

Parameters

transferWithReference

Parameters

transferToICAP

Parameters

transferToICAPWithReference

Parameters

transferFrom

Parameters

transferFromWithReference

Parameters

transferFromToICAP

Parameters

transferFromToICAPWithReference

Parameters

approve

Parameters

emitTransfer

Parameters

Modifiers

emitApprove

Parameters

Modifiers

constructor

Parameters

getVersionFor

Parameters

getLatestVersion

Parameters

getPendingVersion

Parameters

getPendingVersionTimestamp

Parameters

proposeUpgrade

Parameters