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//** | |
//*// https://remix.ethereum.org/#version=soljson-v0.5.9+commit.e560f70d.js&optimize=true&gist=6ba2843f228efec36624338245bd09dd | |
//*// | |
pragma solidity >=0.4.22 <0.6.0; | |
library SafeMath { | |
/** | |
* @dev Multiplies two unsigned integers, reverts on overflow. | |
*/ | |
function mul(uint256 a, uint256 b) internal pure returns (uint256) { | |
// Gas optimization: this is cheaper than requiring 'a' not being zero, but the | |
// benefit is lost if 'b' is also tested. | |
// See: https://github.com/OpenZeppelin/openzeppelin-solidity/pull/522 | |
if (a == 0) { | |
return 0; | |
} | |
uint256 c = a * b; | |
require(c / a == b); | |
return c; | |
} | |
/** | |
* @dev Integer division of two unsigned integers truncating the quotient, reverts on division by zero. | |
*/ | |
function div(uint256 a, uint256 b) internal pure returns (uint256) { | |
// Solidity only automatically asserts when dividing by 0 | |
require(b > 0); | |
uint256 c = a / b; | |
// assert(a == b * c + a % b); // There is no case in which this doesn't hold | |
return c; | |
} | |
/** | |
* @dev Subtracts two unsigned integers, reverts on overflow (i.e. if subtrahend is greater than minuend). | |
*/ | |
function sub(uint256 a, uint256 b) internal pure returns (uint256) { | |
require(b <= a); | |
uint256 c = a - b; | |
return c; | |
} | |
/** | |
* @dev Adds two unsigned integers, reverts on overflow. | |
*/ | |
function add(uint256 a, uint256 b) internal pure returns (uint256) { | |
uint256 c = a + b; | |
require(c >= a); | |
return c; | |
} | |
/** | |
* @dev Divides two unsigned integers and returns the remainder (unsigned integer modulo), | |
* reverts when dividing by zero. | |
*/ | |
function mod(uint256 a, uint256 b) internal pure returns (uint256) { | |
require(b != 0); | |
return a % b; | |
} | |
} | |
interface ERC223 { | |
function transfer(address to, uint256 value) external returns (bool); | |
function approve(address spender, uint256 value) external returns (bool); | |
function transferFrom(address from, address to, uint256 value) external returns (bool); | |
function totalSupply() external view returns (uint256); | |
function balanceOf(address who) external view returns (uint256); | |
function allowance(address owner, address spender) external view returns (uint256); | |
event Transfer(address indexed from, address indexed to, uint256 value); | |
event Approval(address indexed owner, address indexed spender, uint256 value); | |
event ERC223Transfer(address indexed _from, address indexed _to, uint256 _value, bytes _data); | |
} | |
contract ContractReceiver { | |
function tokenFallback(address _from, uint _value, bytes memory _data) public; | |
} | |
contract ERC20 is ERC223 { | |
using SafeMath for uint256; | |
mapping (address => uint256) private _balances; | |
mapping (address => mapping (address => uint256)) private _allowed; | |
uint256 private _totalSupply; | |
/** | |
* @dev Total number of tokens in existence | |
*/ | |
function totalSupply() public view returns (uint256) { | |
return _totalSupply; | |
} | |
/** | |
* @dev Gets the balance of the specified address. | |
* @param owner The address to query the balance of. | |
* @return An uint256 representing the amount owned by the passed address. | |
*/ | |
function balanceOf(address owner) public view returns (uint256) { | |
return _balances[owner]; | |
} | |
/** | |
* @dev Function to check the amount of tokens that an owner allowed to a spender. | |
* @param owner address The address which owns the funds. | |
* @param spender address The address which will spend the funds. | |
* @return A uint256 specifying the amount of tokens still available for the spender. | |
*/ | |
function allowance(address owner, address spender) public view returns (uint256) { | |
return _allowed[owner][spender]; | |
} | |
/** | |
* @dev Transfer token for a specified address | |
* @param to The address to transfer to. | |
* @param value The amount to be transferred. | |
*/ | |
function transfer(address to, uint256 value) external returns (bool success) { | |
_transfer(msg.sender, to, value); | |
return true; | |
} | |
/** | |
* @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender. | |
* Beware that changing an allowance with this method brings the risk that someone may use both the old | |
* and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this | |
* race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards: | |
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 | |
* @param spender The address which will spend the funds. | |
* @param value The amount of tokens to be spent. | |
*/ | |
function approve(address spender, uint256 value) public returns (bool) { | |
require(spender != address(0)); | |
_allowed[msg.sender][spender] = value; | |
emit Approval(msg.sender, spender, value); | |
return true; | |
} | |
/** | |
* @dev Transfer tokens from one address to another. | |
* Note that while this function emits an Approval event, this is not required as per the specification, | |
* and other compliant implementations may not emit the event. | |
* @param from address The address which you want to send tokens from | |
* @param to address The address which you want to transfer to | |
* @param value uint256 the amount of tokens to be transferred | |
*/ | |
function transferFrom(address from, address to, uint256 value) public returns (bool) { | |
_allowed[from][msg.sender] = _allowed[from][msg.sender].sub(value); | |
_transfer(from, to, value); | |
emit Approval(from, msg.sender, _allowed[from][msg.sender]); | |
return true; | |
} | |
/** | |
* @dev Increase the amount of tokens that an owner allowed to a spender. | |
* approve should be called when allowed_[_spender] == 0. To increment | |
* allowed value is better to use this function to avoid 2 calls (and wait until | |
* the first transaction is mined) | |
* From MonolithDAO Token.sol | |
* Emits an Approval event. | |
* @param spender The address which will spend the funds. | |
* @param addedValue The amount of tokens to increase the allowance by. | |
*/ | |
function increaseAllowance(address spender, uint256 addedValue) public returns (bool) { | |
require(spender != address(0)); | |
_allowed[msg.sender][spender] = _allowed[msg.sender][spender].add(addedValue); | |
emit Approval(msg.sender, spender, _allowed[msg.sender][spender]); | |
return true; | |
} | |
/** | |
* @dev Decrease the amount of tokens that an owner allowed to a spender. | |
* approve should be called when allowed_[_spender] == 0. To decrement | |
* allowed value is better to use this function to avoid 2 calls (and wait until | |
* the first transaction is mined) | |
* From MonolithDAO Token.sol | |
* Emits an Approval event. | |
* @param spender The address which will spend the funds. | |
* @param subtractedValue The amount of tokens to decrease the allowance by. | |
*/ | |
function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) { | |
require(spender != address(0)); | |
_allowed[msg.sender][spender] = _allowed[msg.sender][spender].sub(subtractedValue); | |
emit Approval(msg.sender, spender, _allowed[msg.sender][spender]); | |
return true; | |
} | |
/** | |
* @dev Transfer token for a specified addresses | |
* @param from The address to transfer from. | |
* @param to The address to transfer to. | |
* @param value The amount to be transferred. | |
*/ | |
function _transfer(address from, address to, uint256 value) internal { | |
require(to != address(0)); | |
_balances[from] = _balances[from].sub(value); | |
_balances[to] = _balances[to].add(value); | |
emit Transfer(from, to, value); | |
} | |
/** | |
* @dev Internal function that mints an amount of the token and assigns it to | |
* an account. This encapsulates the modification of balances such that the | |
* proper events are emitted. | |
* @param account The account that will receive the created tokens. | |
* @param value The amount that will be created. | |
*/ | |
function _mint(address account, uint256 value) internal { | |
require(account != address(0)); | |
_totalSupply = _totalSupply.add(value); | |
_balances[account] = _balances[account].add(value); | |
emit Transfer(address(0), account, value); | |
} | |
/** | |
* @dev Internal function that burns an amount of the token of a given | |
* account. | |
* @param account The account whose tokens will be burnt. | |
* @param value The amount that will be burnt. | |
*/ | |
function _burn(address account, uint256 value) internal { | |
require(account != address(0)); | |
_totalSupply = _totalSupply.sub(value); | |
_balances[account] = _balances[account].sub(value); | |
emit Transfer(account, address(0), value); | |
} | |
/** | |
* @dev Internal function that burns an amount of the token of a given | |
* account, deducting from the sender's allowance for said account. Uses the | |
* internal burn function. | |
* Emits an Approval event (reflecting the reduced allowance). | |
* @param account The account whose tokens will be burnt. | |
* @param value The amount that will be burnt. | |
*/ | |
function _burnFrom(address account, uint256 value) internal { | |
_allowed[account][msg.sender] = _allowed[account][msg.sender].sub(value); | |
_burn(account, value); | |
emit Approval(account, msg.sender, _allowed[account][msg.sender]); | |
} | |
// Standard function transfer similar to ERC20 transfer with no _data . | |
// Added due to backwards compatibility reasons . | |
function _transfer(address _to, uint _value) internal returns (bool success) { | |
//standard function transfer similar to ERC20 transfer with no _data | |
//added due to backwards compatibility reasons | |
bytes memory empty; | |
if(isContract(_to)) { | |
return transferToContract(_to, _value, empty); | |
} | |
else { | |
return transferToAddress(_to, _value, empty); | |
} | |
} | |
//assemble the given address bytecode. If bytecode exists then the _addr is a contract. | |
function isContract(address _addr) private returns (bool is_contract) { | |
uint length; | |
assembly { | |
//retrieve the size of the code on target address, this needs assembly | |
length := extcodesize(_addr) | |
} | |
if(length>0) { | |
return true; | |
} | |
else { | |
return false; | |
} | |
} | |
//function that is called when transaction target is an address | |
function transferToAddress(address _to, uint _value, bytes memory _data) private returns (bool success) { | |
if (balanceOf(msg.sender) < _value) revert(); | |
_balances[msg.sender] = balanceOf(msg.sender).sub(_value); | |
_balances[_to] = balanceOf(_to).add(_value); | |
emit Transfer(msg.sender, _to, _value); | |
emit ERC223Transfer(msg.sender, _to, _value, _data); | |
return true; | |
} | |
//function that is called when transaction target is a contract | |
function transferToContract(address _to, uint _value, bytes memory _data) private returns (bool success) { | |
if (balanceOf(msg.sender) < _value) revert(); | |
_balances[msg.sender] = balanceOf(msg.sender).sub(_value); | |
_balances[_to] = balanceOf(_to).add(_value); | |
ContractReceiver reciever = ContractReceiver(_to); | |
reciever.tokenFallback(msg.sender, _value, _data); | |
emit Transfer(msg.sender, _to, _value); | |
emit ERC223Transfer(msg.sender, _to, _value, _data); | |
return true; | |
} | |
} | |
contract ERC20Detailed is ERC223 { | |
string private _name; | |
string private _symbol; | |
uint8 private _decimals; | |
constructor (string memory name, string memory symbol, uint8 decimals) public { | |
_name = name; | |
_symbol = symbol; | |
_decimals = decimals; | |
} | |
/** | |
* @return the name of the token. | |
*/ | |
function name() public view returns (string memory) { | |
return _name; | |
} | |
/** | |
* @return the symbol of the token. | |
*/ | |
function symbol() public view returns (string memory) { | |
return _symbol; | |
} | |
/** | |
* @return the number of decimals of the token. | |
*/ | |
function decimals() public view returns (uint8) { | |
return _decimals; | |
} | |
} | |
contract Resonance { | |
function participantFission(address sender, address inviterAddress) public returns(bool); | |
} | |
contract AMISToken is ERC20, ERC20Detailed { | |
uint256 public burned; // Burned AMIS. | |
string private constant NAME = "AMIS"; | |
string private constant SYMBOL = "AMIS"; | |
uint8 private constant DECIMALS = 9; | |
uint256 private constant INITIAL_SUPPLY = 660474*10**9; | |
constructor () public ERC20Detailed(NAME, SYMBOL, DECIMALS) { | |
_mint(msg.sender, INITIAL_SUPPLY); | |
} | |
function isContract(address _addr) private returns (bool is_contract) { | |
uint256 length; | |
assembly { | |
//retrieve the size of the code on target address, this needs assembly | |
length := extcodesize(_addr) | |
} | |
return (length > 0); | |
} | |
function burn(uint256 value) public returns(bool) { | |
burned = burned.add(value); | |
_burn(msg.sender, value); | |
return true; | |
} | |
function burnFrom(address from, uint256 value) public returns(bool) { | |
burned = burned.add(value); | |
_burnFrom(from, value); | |
return true; | |
} | |
// ------------------------------------------------------------------------ | |
// Token holder can notify a contract that it has been approved | |
// to spend _value of tokens | |
// @param to The Resonance contract address | |
// @param value: The constant of 100 * 10**18 | |
// @param inviterAddress The inviter | |
// ------------------------------------------------------------------------ | |
function participantFission(address to, uint256 value, address inviterAddress) public returns (bool) { | |
require(to != address(0) && to != address(this), "invalid contract address!"); | |
require(balanceOf(msg.sender) >= value, "have no enough token!"); | |
if(approve(to, value) && isContract(to)) { | |
Resonance receiver = Resonance(to); | |
receiver.participantFission(msg.sender, inviterAddress); | |
} | |
return true; | |
} | |
} |
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pragma solidity ^0.5.9; | |
import "./SafeMath.sol"; | |
contract ERC223 { | |
uint public totalSupply; | |
function balanceOf(address who) constant returns (uint); | |
function name() constant returns (string _name); | |
function symbol() constant returns (string _symbol); | |
function decimals() constant returns (uint8 _decimals); | |
function totalSupply() constant returns (uint256 _supply); | |
function transfer(address to, uint value) returns (bool ok); | |
function transfer(address to, uint value, bytes data) returns (bool ok); | |
event Transfer(address indexed _from, address indexed _to, uint256 _value); | |
event ERC223Transfer(address indexed _from, address indexed _to, uint256 _value, bytes _data); | |
} | |
contract ContractReceiver { | |
function tokenFallback(address _from, uint _value, bytes _data); | |
} | |
contract ERC223Token is ERC223 { | |
using SafeMath for uint; | |
mapping(address => uint) balances; | |
string public name; | |
string public symbol; | |
uint8 public decimals; | |
uint256 public totalSupply; | |
// Function to access name of token . | |
function name() constant returns (string _name) { | |
return name; | |
} | |
// Function to access symbol of token . | |
function symbol() constant returns (string _symbol) { | |
return symbol; | |
} | |
// Function to access decimals of token . | |
function decimals() constant returns (uint8 _decimals) { | |
return decimals; | |
} | |
// Function to access total supply of tokens . | |
function totalSupply() constant returns (uint256 _totalSupply) { | |
return totalSupply; | |
} | |
// Function that is called when a user or another contract wants to transfer funds . | |
function transfer(address _to, uint _value, bytes _data) returns (bool success) { | |
if(isContract(_to)) { | |
return transferToContract(_to, _value, _data); | |
} | |
else { | |
return transferToAddress(_to, _value, _data); | |
} | |
} | |
// Standard function transfer similar to ERC20 transfer with no _data . | |
// Added due to backwards compatibility reasons . | |
function transfer(address _to, uint _value) returns (bool success) { | |
//standard function transfer similar to ERC20 transfer with no _data | |
//added due to backwards compatibility reasons | |
bytes memory empty; | |
if(isContract(_to)) { | |
return transferToContract(_to, _value, empty); | |
} | |
else { | |
return transferToAddress(_to, _value, empty); | |
} | |
} | |
//assemble the given address bytecode. If bytecode exists then the _addr is a contract. | |
function isContract(address _addr) private returns (bool is_contract) { | |
uint length; | |
assembly { | |
//retrieve the size of the code on target address, this needs assembly | |
length := extcodesize(_addr) | |
} | |
if(length>0) { | |
return true; | |
} | |
else { | |
return false; | |
} | |
} | |
//function that is called when transaction target is an address | |
function transferToAddress(address _to, uint _value, bytes _data) private returns (bool success) { | |
if (balanceOf(msg.sender) < _value) revert(); | |
balances[msg.sender] = balanceOf(msg.sender).sub(_value); | |
balances[_to] = balanceOf(_to).add(_value); | |
Transfer(msg.sender, _to, _value); | |
ERC223Transfer(msg.sender, _to, _value, _data); | |
return true; | |
} | |
//function that is called when transaction target is a contract | |
function transferToContract(address _to, uint _value, bytes _data) private returns (bool success) { | |
if (balanceOf(msg.sender) < _value) revert(); | |
balances[msg.sender] = balanceOf(msg.sender).sub(_value); | |
balances[_to] = balanceOf(_to).add(_value); | |
ContractReceiver reciever = ContractReceiver(_to); | |
reciever.tokenFallback(msg.sender, _value, _data); | |
Transfer(msg.sender, _to, _value); | |
ERC223Transfer(msg.sender, _to, _value, _data); | |
return true; | |
} | |
function balanceOf(address _owner) constant returns (uint balance) { | |
return balances[_owner]; | |
} | |
} |
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pragma solidity ^0.5.9; | |
/** | |
* @title SafeMath | |
* @dev Math operations with safety checks that throw on error | |
*/ | |
library SafeMath { | |
/** | |
* @dev Multiplies two numbers, throws on overflow. | |
*/ | |
function mul(uint256 a, uint256 b) internal pure returns (uint256) { | |
if (a == 0) { | |
return 0; | |
} | |
uint256 c = a * b; | |
assert(c / a == b); | |
return c; | |
} | |
/** | |
* @dev Integer division of two numbers, truncating the quotient. | |
*/ | |
function div(uint256 a, uint256 b) internal pure returns (uint256) { | |
// assert(b > 0); // Solidity automatically throws when dividing by 0 | |
uint256 c = a / b; | |
// assert(a == b * c + a % b); // There is no case in which this doesn't hold | |
return c; | |
} | |
/** | |
* @dev Subtracts two numbers, throws on overflow (i.e. if subtrahend is greater than minuend). | |
*/ | |
function sub(uint256 a, uint256 b) internal pure returns (uint256) { | |
assert(b <= a); | |
return a - b; | |
} | |
/** | |
* @dev Adds two numbers, throws on overflow. | |
*/ | |
function add(uint256 a, uint256 b) internal pure returns (uint256) { | |
uint256 c = a + b; | |
assert(c >= a); | |
return c; | |
} | |
} |
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Load these files into REMIX https://remix.ethereum.org/#version=soljson-v0.5.9+commit.e560f70d.js&optimize=false&gist=6ba2843f228efec36624338245bd09dd