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Contract

0xC80c5E40220172B36aDee2c951f26F2a577810C5
 

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Transfer215993822025-01-11 6:14:239 days ago1736576063IN
Bankera: Old BNK Token
0 ETH0.000940682.4922314
Transfer214563442024-12-22 6:48:1129 days ago1734850091IN
Bankera: Old BNK Token
0 ETH0.001740766.63235647
Transfer214166982024-12-16 17:52:5935 days ago1734371579IN
Bankera: Old BNK Token
0 ETH0.0067107128.72675079
Transfer214152422024-12-16 13:01:1135 days ago1734354071IN
Bankera: Old BNK Token
0 ETH0.0008258313.0270585
Transfer214152172024-12-16 12:56:1135 days ago1734353771IN
Bankera: Old BNK Token
0 ETH0.0030000312.84301706
Transfer213829112024-12-12 0:41:5939 days ago1733964119IN
Bankera: Old BNK Token
0 ETH0.0029700516.01606556
Transfer213823392024-12-11 22:47:1139 days ago1733957231IN
Bankera: Old BNK Token
0 ETH0.0056440221.50283137
Transfer213554382024-12-08 4:38:4743 days ago1733632727IN
Bankera: Old BNK Token
0 ETH0.003351538.87975328
Transfer212071742024-11-17 11:37:3564 days ago1731843455IN
Bankera: Old BNK Token
0 ETH0.00095711.02126494
Transfer212071662024-11-17 11:35:5964 days ago1731843359IN
Bankera: Old BNK Token
0 ETH0.001614818.5589225
Transfer211756502024-11-13 2:01:5968 days ago1731463319IN
Bankera: Old BNK Token
0 ETH0.0055679526.0938166
Transfer211139022024-11-04 11:11:2377 days ago1730718683IN
Bankera: Old BNK Token
0 ETH0.000846435.56193091
Transfer211139022024-11-04 11:11:2377 days ago1730718683IN
Bankera: Old BNK Token
0 ETH0.000751665.56193091
Transfer211139022024-11-04 11:11:2377 days ago1730718683IN
Bankera: Old BNK Token
0 ETH0.000751665.56193091
Transfer211139022024-11-04 11:11:2377 days ago1730718683IN
Bankera: Old BNK Token
0 ETH0.000751665.56193091
Transfer211139022024-11-04 11:11:2377 days ago1730718683IN
Bankera: Old BNK Token
0 ETH0.000846565.56193091
Transfer211110662024-11-04 1:41:5977 days ago1730684519IN
Bankera: Old BNK Token
0 ETH0.002249713.73
Transfer208087452024-09-22 21:15:59120 days ago1727039759IN
Bankera: Old BNK Token
0 ETH0.000159177
Transfer207721402024-09-17 18:33:35125 days ago1726598015IN
Bankera: Old BNK Token
0 ETH0.0046142815
Claim Reward Til...206655752024-09-02 21:28:59140 days ago1725312539IN
Bankera: Old BNK Token
0 ETH0.008539477.05688141
Claim Reward Til...206655752024-09-02 21:28:59140 days ago1725312539IN
Bankera: Old BNK Token
0 ETH0.005718497.05688141
Claim Reward Til...206655752024-09-02 21:28:59140 days ago1725312539IN
Bankera: Old BNK Token
0 ETH0.009040477.05688141
Claim Reward Til...206655752024-09-02 21:28:59140 days ago1725312539IN
Bankera: Old BNK Token
0 ETH0.008739637.05688141
Claim Reward Til...206655752024-09-02 21:28:59140 days ago1725312539IN
Bankera: Old BNK Token
0 ETH0.008676677.05688141
Claim Reward Til...206655752024-09-02 21:28:59140 days ago1725312539IN
Bankera: Old BNK Token
0 ETH0.008335467.05688141
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206655752024-09-02 21:28:59140 days ago1725312539
Bankera: Old BNK Token
0.0073685 ETH
206655752024-09-02 21:28:59140 days ago1725312539
Bankera: Old BNK Token
0.03111351 ETH
206655752024-09-02 21:28:59140 days ago1725312539
Bankera: Old BNK Token
0.00756848 ETH
206655752024-09-02 21:28:59140 days ago1725312539
Bankera: Old BNK Token
0.02453279 ETH
206655752024-09-02 21:28:59140 days ago1725312539
Bankera: Old BNK Token
0.00233247 ETH
206655752024-09-02 21:28:59140 days ago1725312539
Bankera: Old BNK Token
0.00166253 ETH
206655752024-09-02 21:28:59140 days ago1725312539
Bankera: Old BNK Token
0.0082108 ETH
191042652024-01-28 9:52:23358 days ago1706435543
Bankera: Old BNK Token
0.11041654 ETH
187340492023-12-07 11:14:59410 days ago1701947699
Bankera: Old BNK Token
0.1422741 ETH
154967642022-09-08 13:07:17865 days ago1662642437
Bankera: Old BNK Token
0.01435 ETH
128331372021-07-15 18:27:291285 days ago1626373649
Bankera: Old BNK Token
0.17964244 ETH
127157932021-06-27 11:24:121303 days ago1624793052
Bankera: Old BNK Token
0.05450478 ETH
126330332021-06-14 14:11:351316 days ago1623679895
Bankera: Old BNK Token
0.1763191 ETH
125773012021-06-05 23:09:071324 days ago1622934547
Bankera: Old BNK Token
0.0603 ETH
122901482021-04-22 12:59:121369 days ago1619096352
Bankera: Old BNK Token
0.01306758 ETH
122509412021-04-16 11:51:271375 days ago1618573887
Bankera: Old BNK Token
0.01206238 ETH
122316602021-04-13 12:13:321378 days ago1618316012
Bankera: Old BNK Token
0.18355091 ETH
122201932021-04-11 18:02:211380 days ago1618164141
Bankera: Old BNK Token
0.22315417 ETH
122124382021-04-10 13:31:251381 days ago1618061485
Bankera: Old BNK Token
0.02886092 ETH
117254532021-01-25 14:32:281456 days ago1611585148
Bankera: Old BNK Token
0.04105444 ETH
115695362021-01-01 16:22:521480 days ago1609518172
Bankera: Old BNK Token
0.00844142 ETH
115561882020-12-30 15:29:101482 days ago1609342150
Bankera: Old BNK Token
0.10571948 ETH
115504872020-12-29 18:17:441483 days ago1609265864
Bankera: Old BNK Token
0.03819756 ETH
115407392020-12-28 6:27:581484 days ago1609136878
Bankera: Old BNK Token
0.0054193 ETH
112964002020-11-20 17:45:151522 days ago1605894315
Bankera: Old BNK Token
0.03148816 ETH
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Contract Source Code Verified (Exact Match)

Contract Name:
BankeraToken

Compiler Version
v0.4.21+commit.dfe3193c

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion

Contract Source Code (Solidity)

/**
 *Submitted for verification at Etherscan.io on 2018-05-17
*/

pragma solidity ^0.4.18;
/**
 * Math operations with safety checks that throw on error
 */
contract SafeMath {

	function safeMul(uint256 a, uint256 b) public pure returns (uint256) {
		uint256 c = a * b;
		assert(a == 0 || c / a == b);
		return c;
	}

	function safeDiv(uint256 a, uint256 b) public pure returns (uint256) {
		//assert(a > 0);// Solidity automatically throws when dividing by 0
		//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  a / b;
	}

	function safeSub(uint256 a, uint256 b) public pure returns (uint256) {
		assert(b <= a);
		return a - b;
	}

	function safeAdd(uint256 a, uint256 b) public pure returns (uint256) {
		uint256 c = a + b;
		assert(c>=a && c>=b);
		return c;
	}

}
/*
 * ERC20 interface
 * see https://github.com/ethereum/EIPs/issues/20
 */
contract ERC20 {

	function totalSupply() public constant returns (uint256);
	function balanceOf(address _owner) public constant returns (uint256);
	function transfer(address _to, uint256 _value) public returns (bool success);
	function transferFrom(address _from, address _to, uint256 _value) public returns (bool success);
	function approve(address _spender, uint256 _value) public returns (bool success);
	function allowance(address _owner, address _spender) public constant returns (uint256);

	/* ERC20 Events */
	event Transfer(address indexed _from, address indexed _to, uint256 _value);
	event Approval(address indexed _owner, address indexed _spender, uint256 _value);
}

contract ContractReceiver {
	function tokenFallback(address _from, uint256 _value, bytes _data) public;
}

contract ERC223 is ERC20 {

	function transfer(address _to, uint256 _value, bytes _data) public returns (bool success);
	function transfer(address _to, uint256 _value, bytes _data, string _custom_fallback) public returns (bool success);

	/* ERC223 Events */
	event Transfer(address indexed _from, address indexed _to, uint256 _value, bytes _data);
}

contract BankeraToken is ERC223, SafeMath {

	string public constant name = "Banker Token";     // Set the name for display purposes
	string public constant symbol = "BNK";      // Set the symbol for display purposes
	uint8 public constant decimals = 8;         // Amount of decimals for display purposes
	uint256 private issued = 0;   				// tokens count issued to addresses
	uint256 private totalTokens = 25000000000 * 100000000; //25,000,000,000.0000 0000 BNK

	address private contractOwner;
	address private rewardManager;
	address private roundManager;
	address private issueManager;
	uint64 public currentRound = 0;

	bool public paused = false;

	mapping (uint64 => Reward) public reward;	//key - round, value - reward in round
	mapping (address => AddressBalanceInfoStructure) public accountBalances;	//key - address, value - address balance info
	mapping (uint64 => uint256) public issuedTokensInRound;	//key - round, value - issued tokens
	mapping (address => mapping (address => uint256)) internal allowed;

	uint256 public blocksPerRound; // blocks per round
	uint256 public lastBlockNumberInRound;

	struct Reward {
		uint64 roundNumber;
		uint256 rewardInWei;
		uint256 rewardRate; //reward rate in wei. 1 sBNK - xxx wei
		bool isConfigured;
	}

	struct AddressBalanceInfoStructure {
		uint256 addressBalance;
		mapping (uint256 => uint256) roundBalanceMap; //key - round number, value - total token amount in round
		mapping (uint64 => bool) wasModifiedInRoundMap; //key - round number, value - is modified in round
		uint64[] mapKeys;	//round balance map keys
		uint64 claimedRewardTillRound;
		uint256 totalClaimedReward;
	}

	/* Initializes contract with initial blocks per round number*/
	function BankeraToken(uint256 _blocksPerRound, uint64 _round) public {
		contractOwner = msg.sender;
		lastBlockNumberInRound = block.number;

		blocksPerRound = _blocksPerRound;
		currentRound = _round;
	}

	function() public whenNotPaused payable {
	}

	// Public functions
	/**
	 * @dev Reject all ERC223 compatible tokens
	 * @param _from address The address that is transferring the tokens
	 * @param _value uint256 the amount of the specified token
	 * @param _data Bytes The data passed from the caller.
	 */
	function tokenFallback(address _from, uint256 _value, bytes _data) public whenNotPaused view {
		revert();
	}

	function setReward(uint64 _roundNumber, uint256 _roundRewardInWei) public whenNotPaused onlyRewardManager {
		isNewRound();

		Reward storage rewardInfo = reward[_roundNumber];

		//validations
		assert(rewardInfo.roundNumber == _roundNumber);
		assert(!rewardInfo.isConfigured); //allow just not configured reward configuration

		rewardInfo.rewardInWei = _roundRewardInWei;
		if(_roundRewardInWei > 0){
			rewardInfo.rewardRate = safeDiv(_roundRewardInWei, issuedTokensInRound[_roundNumber]);
		}
		rewardInfo.isConfigured = true;
	}

	/* Change contract owner */
	function changeContractOwner(address _newContractOwner) public onlyContractOwner {
		isNewRound();
		if (_newContractOwner != contractOwner) {
			contractOwner = _newContractOwner;
		} else {
			revert();
		}
	}

	/* Change reward contract owner */
	function changeRewardManager(address _newRewardManager) public onlyContractOwner {
		isNewRound();
		if (_newRewardManager != rewardManager) {
			rewardManager = _newRewardManager;
		} else {
			revert();
		}
	}

	/* Change round contract owner */
	function changeRoundManager(address _newRoundManager) public onlyContractOwner {
		isNewRound();
		if (_newRoundManager != roundManager) {
			roundManager = _newRoundManager;
		} else {
			revert();
		}
	}

	/* Change issue contract owner */
	function changeIssueManager(address _newIssueManager) public onlyContractOwner {
		isNewRound();
		if (_newIssueManager != issueManager) {
			issueManager = _newIssueManager;
		} else {
			revert();
		}
	}

	function setBlocksPerRound(uint64 _newBlocksPerRound) public whenNotPaused onlyRoundManager {
		blocksPerRound = _newBlocksPerRound;
	}
	/**
   * @dev called by the owner to pause, triggers stopped state
   */
	function pause() onlyContractOwner whenNotPaused public {
		paused = true;
	}

	/**
	 * @dev called by the owner to resume, returns to normal state
	 */
	function resume() onlyContractOwner whenPaused public {
		paused = false;
	}
	/**
	 *
	 * permission checker
	 */
	modifier onlyContractOwner() {
		if(msg.sender != contractOwner){
			revert();
		}
		_;
	}
	/**
	* set reward for round (reward admin)
	*/
	modifier onlyRewardManager() {
		if(msg.sender != rewardManager && msg.sender != contractOwner){
			revert();
		}
		_;
	}
	/**
	* adjust round length (round admin)
	*/
	modifier onlyRoundManager() {
		if(msg.sender != roundManager && msg.sender != contractOwner){
			revert();
		}
		_;
	}
	/**
	* issue tokens to ETH addresses (issue admin)
	*/
	modifier onlyIssueManager() {
		if(msg.sender != issueManager && msg.sender != contractOwner){
			revert();
		}
		_;
	}

	modifier notSelf(address _to) {
		if(msg.sender == _to){
			revert();
		}
		_;
	}
	/**
   	* @dev Modifier to make a function callable only when the contract is not paused.
   	*/
	modifier whenNotPaused() {
		require(!paused);
		_;
	}

	/**
	 * @dev Modifier to make a function callable only when the contract is paused.
	 */
	modifier whenPaused() {
		require(paused);
		_;
	}

	function getRoundBalance(address _address, uint256 _round) public view returns (uint256) {
		return accountBalances[_address].roundBalanceMap[_round];
	}

	function isModifiedInRound(address _address, uint64 _round) public view returns (bool) {
		return accountBalances[_address].wasModifiedInRoundMap[_round];
	}

	function getBalanceModificationRounds(address _address) public view returns (uint64[]) {
		return accountBalances[_address].mapKeys;
	}

	//action for issue tokens
	function issueTokens(address _receiver, uint256 _tokenAmount) public whenNotPaused onlyIssueManager {
		isNewRound();
		issue(_receiver, _tokenAmount);
	}

	function withdrawEther() public onlyContractOwner {
		isNewRound();
		if(this.balance > 0) {
			contractOwner.transfer(this.balance);
		} else {
			revert();
		}
	}

	/* Send coins from owner to other address */
	/*Override*/
	function transfer(address _to, uint256 _value) public notSelf(_to) whenNotPaused returns (bool success){
		require(_to != address(0));
		//added due to backwards compatibility reasons
		bytes memory empty;
		if(isContract(_to)) {
			return transferToContract(msg.sender, _to, _value, empty);
		}
		else {
			return transferToAddress(msg.sender, _to, _value, empty);
		}
	}

	/*Override*/
	function balanceOf(address _owner) public constant returns (uint256 balance) {
		return accountBalances[_owner].addressBalance;
	}

	/*Override*/
	function totalSupply() public constant returns (uint256){
		return totalTokens;
	}

	/**
	 * @dev Transfer tokens from one address to another
	 * @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
	 */
	/*Override*/
	function transferFrom(address _from, address _to, uint256 _value) public whenNotPaused returns (bool) {
		require(_to != address(0));
		require(_value <= allowed[_from][msg.sender]);

		//added due to backwards compatibility reasons
		bytes memory empty;
		if(isContract(_to)) {
			require(transferToContract(_from, _to, _value, empty));
		}
		else {
			require(transferToAddress(_from, _to, _value, empty));
		}
		allowed[_from][msg.sender] = safeSub(allowed[_from][msg.sender], _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.
	 */
	/*Override*/
	function approve(address _spender, uint256 _value) public whenNotPaused returns (bool) {
		allowed[msg.sender][_spender] = _value;
		Approval(msg.sender, _spender, _value);
		return true;
	}

	/**
	  * @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.
	  */
	/*Override*/
	function allowance(address _owner, address _spender) public view whenNotPaused returns (uint256) {
		return allowed[_owner][_spender];
	}

	/**
	 * @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
	 * @param _spender The address which will spend the funds.
	 * @param _addedValue The amount of tokens to increase the allowance by.
	 */

	function increaseApproval(address _spender, uint256 _addedValue) public returns (bool) {
		allowed[msg.sender][_spender] = safeAdd(allowed[msg.sender][_spender], _addedValue);
		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
	 * @param _spender The address which will spend the funds.
	 * @param _subtractedValue The amount of tokens to decrease the allowance by.
	 */
	function decreaseApproval(address _spender, uint256 _subtractedValue) public returns (bool) {
		uint256 oldValue = allowed[msg.sender][_spender];
		if (_subtractedValue > oldValue) {
			allowed[msg.sender][_spender] = 0;
		} else {
			allowed[msg.sender][_spender] = safeSub(oldValue, _subtractedValue);
		}
		Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
		return true;
	}

	// Function that is called when a user or another contract wants to transfer funds .
	/*Override*/
	function transfer(address _to, uint256 _value, bytes _data) public whenNotPaused notSelf(_to) returns (bool success){
		require(_to != address(0));
		if(isContract(_to)) {
			return transferToContract(msg.sender, _to, _value, _data);
		}
		else {
			return transferToAddress(msg.sender, _to, _value, _data);
		}
	}

	// Function that is called when a user or another contract wants to transfer funds.
	/*Override*/
	function transfer(address _to, uint256 _value, bytes _data, string _custom_fallback) public whenNotPaused notSelf(_to) returns (bool success){
		require(_to != address(0));
		if(isContract(_to)) {
			if(accountBalances[msg.sender].addressBalance < _value){		// Check if the sender has enough
				revert();
			}
			if(safeAdd(accountBalances[_to].addressBalance, _value) < accountBalances[_to].addressBalance){		// Check for overflows
				revert();
			}

			isNewRound();
			subFromAddressBalancesInfo(msg.sender, _value);	// Subtract from the sender
			addToAddressBalancesInfo(_to, _value);	// Add the same to the recipient

			assert(_to.call.value(0)(bytes4(keccak256(_custom_fallback)), msg.sender, _value, _data));

			/* Notify anyone listening that this transfer took place */
			Transfer(msg.sender, _to, _value, _data);
			Transfer(msg.sender, _to, _value);
			return true;
		}
		else {
			return transferToAddress(msg.sender, _to, _value, _data);
		}
	}

	function claimReward() public whenNotPaused returns (uint256 rewardAmountInWei) {
		isNewRound();
		return claimRewardTillRound(currentRound);
	}

	function claimRewardTillRound(uint64 _claimTillRound) public whenNotPaused returns (uint256 rewardAmountInWei) {
		isNewRound();
		rewardAmountInWei = calculateClaimableRewardTillRound(msg.sender, _claimTillRound);
		accountBalances[msg.sender].claimedRewardTillRound = _claimTillRound;

		if (rewardAmountInWei > 0){
			accountBalances[msg.sender].totalClaimedReward = safeAdd(accountBalances[msg.sender].totalClaimedReward, rewardAmountInWei);
			msg.sender.transfer(rewardAmountInWei);
		}

		return rewardAmountInWei;
	}

	function calculateClaimableReward(address _address) public constant returns (uint256 rewardAmountInWei) {
		return calculateClaimableRewardTillRound(_address, currentRound);
	}

	function calculateClaimableRewardTillRound(address _address, uint64 _claimTillRound) public constant returns (uint256) {
		uint256 rewardAmountInWei = 0;

		if (_claimTillRound > currentRound) { revert(); }
		if (currentRound < 1) { revert(); }

		AddressBalanceInfoStructure storage accountBalanceInfo = accountBalances[_address];
		if(accountBalanceInfo.mapKeys.length == 0){	revert(); }

		uint64 userLastClaimedRewardRound = accountBalanceInfo.claimedRewardTillRound;
		if (_claimTillRound < userLastClaimedRewardRound) { revert(); }

		for (uint64 workRound = userLastClaimedRewardRound; workRound < _claimTillRound; workRound++) {

			Reward storage rewardInfo = reward[workRound];
			assert(rewardInfo.isConfigured); //don't allow to withdraw reward if affected reward is not configured

			if(accountBalanceInfo.wasModifiedInRoundMap[workRound]){
				rewardAmountInWei = safeAdd(rewardAmountInWei, safeMul(accountBalanceInfo.roundBalanceMap[workRound], rewardInfo.rewardRate));
			} else {
				uint64 lastBalanceModifiedRound = 0;
				for (uint256 i = accountBalanceInfo.mapKeys.length; i > 0; i--) {
					uint64 modificationInRound = accountBalanceInfo.mapKeys[i-1];
					if (modificationInRound <= workRound) {
						lastBalanceModifiedRound = modificationInRound;
						break;
					}
				}
				rewardAmountInWei = safeAdd(rewardAmountInWei, safeMul(accountBalanceInfo.roundBalanceMap[lastBalanceModifiedRound], rewardInfo.rewardRate));
			}
		}
		return rewardAmountInWei;
	}

	function createRounds(uint256 maxRounds) public {
		uint256 blocksAfterLastRound = safeSub(block.number, lastBlockNumberInRound);	//current block number - last round block number = blocks after last round

		if(blocksAfterLastRound >= blocksPerRound){	// need to increase reward round if blocks after last round is greater or equal blocks per round

			uint256 roundsNeedToCreate = safeDiv(blocksAfterLastRound, blocksPerRound);	//calculate how many rounds need to create
			if(roundsNeedToCreate > maxRounds){
				roundsNeedToCreate = maxRounds;
			}
			lastBlockNumberInRound = safeAdd(lastBlockNumberInRound, safeMul(roundsNeedToCreate, blocksPerRound));
			for (uint256 i = 0; i < roundsNeedToCreate; i++) {
				updateRoundInformation();
			}
		}
	}

	// Private functions
	//assemble the given address bytecode. If bytecode exists then the _address is a contract.
	function isContract(address _address) private view returns (bool is_contract) {
		uint256 length;
		assembly {
		//retrieve the size of the code on target address, this needs assembly
			length := extcodesize(_address)
		}
		return (length > 0);
	}

	function isNewRound() private {
		uint256 blocksAfterLastRound = safeSub(block.number, lastBlockNumberInRound);	//current block number - last round block number = blocks after last round
		if(blocksAfterLastRound >= blocksPerRound){	// need to increase reward round if blocks after last round is greater or equal blocks per round
			updateRoundsInformation(blocksAfterLastRound);
		}
	}

	function updateRoundsInformation(uint256 _blocksAfterLastRound) private {
		uint256 roundsNeedToCreate = safeDiv(_blocksAfterLastRound, blocksPerRound);	//calculate how many rounds need to create
		lastBlockNumberInRound = safeAdd(lastBlockNumberInRound, safeMul(roundsNeedToCreate, blocksPerRound));	//calculate last round creation block number
		for (uint256 i = 0; i < roundsNeedToCreate; i++) {
			updateRoundInformation();
		}
	}

	function updateRoundInformation() private {
		issuedTokensInRound[currentRound] = issued;

		Reward storage rewardInfo = reward[currentRound];
		rewardInfo.roundNumber = currentRound;

		currentRound = currentRound + 1;
	}

	function issue(address _receiver, uint256 _tokenAmount) private {
		if(_tokenAmount == 0){
			revert();
		}
		uint256 newIssuedAmount = safeAdd(_tokenAmount, issued);
		if(newIssuedAmount > totalTokens){
			revert();
		}
		addToAddressBalancesInfo(_receiver, _tokenAmount);
		issued = newIssuedAmount;
		bytes memory empty;
		if(isContract(_receiver)) {
			ContractReceiver receiverContract = ContractReceiver(_receiver);
			receiverContract.tokenFallback(msg.sender, _tokenAmount, empty);
		}
		/* Notify anyone listening that this transfer took place */
		Transfer(msg.sender, _receiver, _tokenAmount, empty);
		Transfer(msg.sender, _receiver, _tokenAmount);
	}

	function addToAddressBalancesInfo(address _receiver, uint256 _tokenAmount) private {
		AddressBalanceInfoStructure storage accountBalance = accountBalances[_receiver];

		if(!accountBalance.wasModifiedInRoundMap[currentRound]){	//allow just push one time per round
			// If user first time get update balance set user claimed reward round to round before.
			if(accountBalance.mapKeys.length == 0 && currentRound > 0){
				accountBalance.claimedRewardTillRound = currentRound;
			}
			accountBalance.mapKeys.push(currentRound);
			accountBalance.wasModifiedInRoundMap[currentRound] = true;
		}
		accountBalance.addressBalance = safeAdd(accountBalance.addressBalance, _tokenAmount);
		accountBalance.roundBalanceMap[currentRound] = accountBalance.addressBalance;
	}

	function subFromAddressBalancesInfo(address _adr, uint256 _tokenAmount) private {
		AddressBalanceInfoStructure storage accountBalance = accountBalances[_adr];
		if(!accountBalance.wasModifiedInRoundMap[currentRound]){	//allow just push one time per round
			accountBalance.mapKeys.push(currentRound);
			accountBalance.wasModifiedInRoundMap[currentRound] = true;
		}
		accountBalance.addressBalance = safeSub(accountBalance.addressBalance, _tokenAmount);
		accountBalance.roundBalanceMap[currentRound] = accountBalance.addressBalance;
	}
	//function that is called when transaction target is an address
	function transferToAddress(address _from, address _to, uint256 _value, bytes _data) private returns (bool success) {
		if(accountBalances[_from].addressBalance < _value){		// Check if the sender has enough
			revert();
		}
		if(safeAdd(accountBalances[_to].addressBalance, _value) < accountBalances[_to].addressBalance){		// Check for overflows
			revert();
		}

		isNewRound();
		subFromAddressBalancesInfo(_from, _value);	// Subtract from the sender
		addToAddressBalancesInfo(_to, _value);	// Add the same to the recipient

		/* Notify anyone listening that this transfer took place */
		Transfer(_from, _to, _value, _data);
		Transfer(_from, _to, _value);
		return true;
	}

	//function that is called when transaction target is a contract
	function transferToContract(address _from, address _to, uint256 _value, bytes _data) private returns (bool success) {
		if(accountBalances[_from].addressBalance < _value){		// Check if the sender has enough
			revert();
		}
		if(safeAdd(accountBalances[_to].addressBalance, _value) < accountBalances[_to].addressBalance){		// Check for overflows
			revert();
		}

		isNewRound();
		subFromAddressBalancesInfo(_from, _value);	// Subtract from the sender
		addToAddressBalancesInfo(_to, _value);	// Add the same to the recipient

		ContractReceiver receiver = ContractReceiver(_to);
		receiver.tokenFallback(_from, _value, _data);

		/* Notify anyone listening that this transfer took place */
		Transfer(_from, _to, _value, _data);
		Transfer(_from, _to, _value);
		return true;
	}
}

Contract Security Audit

Contract ABI

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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)

00000000000000000000000000000000000000000000000000000000000053f20000000000000000000000000000000000000000000000000000000000000026

-----Decoded View---------------
Arg [0] : _blocksPerRound (uint256): 21490
Arg [1] : _round (uint64): 38

-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 00000000000000000000000000000000000000000000000000000000000053f2
Arg [1] : 0000000000000000000000000000000000000000000000000000000000000026


Swarm Source

bzzr://0de39c798fd5f56c3400ead577732ed81f31812abd4f012b6991853bbe9d062c

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OVERVIEW

Banker token contract has migrated to 0x7707aada3ce7722ac63b91727daf1999849f6835.

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A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.