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/**
 *Submitted for verification at Etherscan.io on 2019-04-23
*/

pragma solidity ^0.4.24;

/**
 * @title Proxy
 * @dev Basic proxy that delegates all calls to a fixed implementing contract.
 * The implementing contract cannot be upgraded.
 * @author Julien Niset - <[email protected]>
 */
contract Proxy {

    address implementation;

    event Received(uint indexed value, address indexed sender, bytes data);

    constructor(address _implementation) public {
        implementation = _implementation;
    }

    function() external payable {

        if(msg.data.length == 0 && msg.value > 0) { 
            emit Received(msg.value, msg.sender, msg.data); 
        }
        else {
            // solium-disable-next-line security/no-inline-assembly
            assembly {
                let target := sload(0)
                calldatacopy(0, 0, calldatasize())
                let result := delegatecall(gas, target, 0, calldatasize(), 0, 0)
                returndatacopy(0, 0, returndatasize())
                switch result 
                case 0 {revert(0, returndatasize())} 
                default {return (0, returndatasize())}
            }
        }
    }
}

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[{"inputs":[{"name":"_implementation","type":"address"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"payable":true,"stateMutability":"payable","type":"fallback"},{"anonymous":false,"inputs":[{"indexed":true,"name":"value","type":"uint256"},{"indexed":true,"name":"sender","type":"address"},{"indexed":false,"name":"data","type":"bytes"}],"name":"Received","type":"event"}]

0x60806040523615801560115750600034115b156082573373ffffffffffffffffffffffffffffffffffffffff16347f606834f57405380c4fb88d1f4850326ad3885f014bab3b568dfbf7a041eef7386000366040518080602001828103825284848281815260200192508082843760405192018290039550909350505050a360a8565b6000543660008037600080366000845af43d6000803e80801560a3573d6000f35b3d6000fd5b0000a165627a7a7230582009ad600070879c5d9739059132e69cc1b5b90d2b945f553b3f45ceea43d65c8f0029

bzzr://09ad600070879c5d9739059132e69cc1b5b90d2b945f553b3f45ceea43d65c8f