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sample.sol

pragma solidity ^0.4.0;
contract Sample {

    mapping(address => address) arr;
    uint8 limit;

    function Sample(uint8 _limit) {
        limit = _limit;
    }
    
    //i am the sender. if my balance > limit this receiver can take my 1 ether 
    function Accept(address _receiver){
        arr[msg.sender] = _receiver;
    }
    
    //i am the receiver and the sender gave me 1 ether. i wants to receive it.
    function Take(address sender){
        if(msg.sender != arr[sender]) 
          return;
        if(sender.balance < limit)
          return;
        //how can contract send 1 ether from sender to receiver(msg.sender)
        
    }
   
}