Moeda Loyalty Points

0x51db5ad35c671a87207d88fc11d593ac0c8415bd Copy

ERC20

This contract is an ERC20 token.

Name Moeda Loyalty Points

Symbol MDA

Decimals 18

Total Supply 19,628,888 MDA

About

Moeda Loyalty Points (MDA) is a cryptocurrency and operates on the Ethereum platform. Moeda Loyalty Points has a current supply of 19,628,888. The last known price of Moeda Loyalty Points is 0.55270964 USD and is up 2.13 over the last 24 hours. It is currently trading on 5 active market(s) with $2,261,660.91 traded over the last 24 hours. More information can be found at https://moedaseeds.com/.

Stats

Public Functions 14

Event Types 6

Code Size 11,771 bytes

Events (6)

Approval Event

Parameters

owner	address
spender	address
value	uint256

LogCreation Event

Parameters

donor	address
tokensReceived	uint256

LogDestruction Event

Parameters

sender	address
amount	uint256

LogMigration Event

Parameters

spender	address
grantee	address
amount	uint256

LogMintingFinished Event

Parameters

Transfer Event

Parameters

from	address
to	address
value	uint256

Constants (6)

name Constant

string

Moeda Loyalty Points

symbol Constant

string

MDA

decimals Constant

uint8

AGENT_MAGIC_ID Constant

uint256

0x6e538c0d750418aae4131a91e5a20363

TOKEN_MULTIPLIER Constant

uint

UNKNOWN VALUE

MAX_TOKENS Constant

uint

20000000 * TOKEN_MULTIPLIER

State Variables (7)

migrationAgent Variable

address

totalMigrated Variable

uint256

mintingFinished Variable

bool

totalSupply Variable

uint256

owner Variable

address

allowed Variable

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

Internal Variable

balances Variable

mapping(address => uint256)

Internal Variable

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

Source Code

function transferOwnership(address newOwner) onlyOwner {
  if (newOwner != address(0)) {
    owner = newOwner;
  }
}

tokenFallback

Parameters

Name	Type
from_	address
value_	uint256
data_	bytes

Properties

Visibility public

Mutability transaction

Source Code

function tokenFallback(
  address from_,
  uint256 value_,
  bytes data_
) external {
  revert();
}

reclaimToken

Parameters

Name	Type
tokenAddr	address

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

owner must be equal to the sender's address

Source Code

function reclaimToken(address tokenAddr) external onlyOwner {
  ERC20Basic tokenInst = ERC20Basic(tokenAddr);
  uint256 balance = tokenInst.balanceOf(this);
  tokenInst.transfer(owner, balance);
}

balanceOf

Parameters

Name	Type
_owner	address

Properties

Visibility public

Mutability constant

Source Code

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

transfer

Parameters

Name	Type
_to	address
_value	uint256

Properties

Visibility public

Mutability 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

Parameters

Name	Type
_owner	address
_spender	address

Properties

Visibility public

Mutability constant

Source Code

function allowance(address _owner, address _spender)
  constant
  returns (uint256 remaining)
{
  return allowed[_owner][_spender];
}

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) {
  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

Parameters

Name	Type
_spender	address
_value	uint256

Properties

Visibility public

Mutability transaction

Requirements

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;
}

setMigrationAgent

Parameters

Name	Type
agent	address

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

owner must be equal to the sender's address

afterMinting checks for the following:

mintingFinished must be true

Requirements

null

agent must not be equal to UNKNOWN VALUE

AGENT_MAGIC_ID must be equal to UNKNOWN VALUE

migrationAgent must be equal to UNKNOWN VALUE

Source Code

function setMigrationAgent(address agent) external onlyOwner afterMinting {
  require(agent != address(0) && isContract(agent));
  require(MigrationAgent(agent).MIGRATE_MAGIC_ID() == AGENT_MAGIC_ID);
  require(migrationAgent == address(0));
  migrationAgent = MigrationAgent(agent);
}

migrate

Parameters

Name	Type
beneficiary	address
amount	uint256

Properties

Visibility public

Mutability transaction

Modifiers

afterMinting checks for the following:

mintingFinished must be true

Requirements

beneficiary must not be equal to UNKNOWN VALUE

migrationAgent must not be equal to UNKNOWN VALUE

amount must be greater than 0

Source Code

function migrate(address beneficiary, uint256 amount) external afterMinting {
  require(beneficiary != address(0));
  require(migrationAgent != address(0));
  require(amount > 0);

  // safemath subtraction will throw if balance < amount
  balances[msg.sender] = balances[msg.sender].sub(amount);
  totalSupply = totalSupply.sub(amount);
  totalMigrated = totalMigrated.add(amount);
  migrationAgent.migrateTo(beneficiary, amount);

  LogMigration(msg.sender, beneficiary, amount);
}

burn

Parameters

Name	Type
amount	uint256

Properties

Visibility public

Mutability transaction

Requirements

amount must be greater than 0

Source Code

function burn(uint256 amount) external {
  require(amount > 0);
  balances[msg.sender] = balances[msg.sender].sub(amount);
  totalSupply = totalSupply.sub(amount);

  LogDestruction(msg.sender, amount);
}

unlock

Parameters

This function has no parameters.

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

owner must be equal to the sender's address

canMint checks for the following:

mintingFinished must not be true

Source Code

function unlock() external onlyOwner canMint {
  mintingFinished = true;
  LogMintingFinished();
}

transfer

Parameters

Name	Type
to	address
_value	uint

Properties

Visibility public

Mutability transaction

Modifiers

canTransfer checks for the following:

to must not be equal to UNKNOWN VALUE

mintingFinished must be true

Source Code

function transfer(address to, uint256 _value)
  public
  canTransfer(to)
  returns (bool)
{
  return super.transfer(to, _value);
}

transferFrom

Parameters

Name	Type
from	address
to	address
value	uint

Properties

Visibility public

Mutability transaction

Modifiers

canTransfer checks for the following:

to must not be equal to UNKNOWN VALUE

mintingFinished must be true

Source Code

function transferFrom(
  address from,
  address to,
  uint256 value
) public canTransfer(to) returns (bool) {
  return super.transferFrom(from, to, value);
}

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 MoedaToken.issueTokens

Parameters

This function has no parameters.

Properties

Visibility internal

Mutability transaction

Requirements

MAX_TOKENS must be greater than 0

MAX_TOKENS must be greater than or equal to UNKNOWN VALUE

Source Code

function issueTokens() internal {
  mint(0x2f37be861699b6127881693010596B4bDD146f5e, MAX_TOKENS);
}

internal MoedaToken.isContract

Parameters

Name	Type
addr	address

Properties

Visibility internal

Mutability constant

Source Code

function isContract(address addr) internal constant returns (bool) {
  uint256 size;
  assembly {
    size := extcodesize(addr)
  }
  return size > 0;
}

internal MoedaToken.mint

Parameters

Name	Type
recipient	address
amount	uint256

Properties

Visibility internal

Mutability transaction

Modifiers

canMint checks for the following:

mintingFinished must not be true

Requirements

MAX_TOKENS must be greater than 0

MAX_TOKENS must be greater than or equal to UNKNOWN VALUE

Source Code

function mint(address recipient, uint256 amount) internal canMint {
  require(amount > 0);
  require(totalSupply.add(amount) <= MAX_TOKENS);

  balances[recipient] = balances[recipient].add(amount);
  totalSupply = totalSupply.add(amount);

  LogCreation(recipient, amount);
}

Moeda Loyalty Points

ERC20

About link description

Stats

Events (6) keyboard_arrow_up

Approval Event

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

LogCreation Event

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

LogDestruction Event

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

LogMigration Event

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

LogMintingFinished 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 (6) keyboard_arrow_up

name Constant

symbol Constant

decimals Constant

AGENT_MAGIC_ID Constant

TOKEN_MULTIPLIER Constant

MAX_TOKENS Constant

State Variables (7) keyboard_arrow_up

migrationAgent Variable

totalMigrated Variable

mintingFinished Variable

totalSupply Variable

owner Variable

allowed Variable

balances Variable

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:

Source Code

tokenFallback 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

reclaimToken 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

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

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

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

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

setMigrationAgent 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:

afterMinting 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

migrate keyboard_arrow_up

Parameters help Function parameters list what input the function expects from the user. Each parameter must be given a value.

About

Events (6)

Parameters

Parameters

Parameters

Parameters

Parameters

Parameters

Constants (6)

State Variables (7)

transferOwnership

Parameters

Modifiers

tokenFallback

Parameters

reclaimToken

Parameters

Modifiers

balanceOf

Parameters

transfer

Parameters

allowance

Parameters

transferFrom

Parameters

approve

Parameters

Requirements

setMigrationAgent

Parameters

Modifiers

Requirements

migrate

Parameters

Modifiers

Requirements

burn

Parameters

Requirements

unlock

Parameters

Modifiers

transfer

Parameters

Modifiers

transferFrom

Parameters

Modifiers

internal MoedaToken.issueTokens

Parameters

Requirements

internal MoedaToken.isContract

Parameters

internal MoedaToken.mint

Parameters

Modifiers

Requirements