mirror of
				https://github.com/ethereum/solidity
				synced 2023-10-03 13:03:40 +00:00 
			
		
		
		
	
		
			
				
	
	
		
			34 lines
		
	
	
		
			746 B
		
	
	
	
		
			Solidity
		
	
	
	
	
	
			
		
		
	
	
			34 lines
		
	
	
		
			746 B
		
	
	
	
		
			Solidity
		
	
	
	
	
	
| pragma solidity ^0.4.11;
 | |
| 
 | |
| 
 | |
| /**
 | |
|  * @title LimitBalance
 | |
|  * @dev Simple contract to limit the balance of child contract.
 | |
|  * @dev Note this doesn't prevent other contracts to send funds by using selfdestruct(address);
 | |
|  * @dev See: https://github.com/ConsenSys/smart-contract-best-practices#remember-that-ether-can-be-forcibly-sent-to-an-account
 | |
|  */
 | |
| contract LimitBalance {
 | |
| 
 | |
|   uint256 public limit;
 | |
| 
 | |
|   /**
 | |
|    * @dev Constructor that sets the passed value as a limit. 
 | |
|    * @param _limit uint256 to represent the limit.
 | |
|    */
 | |
|   constructor(uint256 _limit) {
 | |
|     limit = _limit;
 | |
|   }
 | |
| 
 | |
|   /**
 | |
|    * @dev Checks if limit was reached. Case true, it throws.
 | |
|    */
 | |
|   modifier limitedPayable() {
 | |
|     if (this.balance > limit) {
 | |
|       throw;
 | |
|     }
 | |
|     _;
 | |
| 
 | |
|   }
 | |
| 
 | |
| }
 |