theethernaut

{
	"public_identifier": "johnrmarty",
	"profile_pic_url": "https://s3.us-west-000.backblazeb2.com/proxycurl/person/johnrmarty/profile?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=0004d7f56a0400b0000000001%2F20230807%2Fus-west-000%2Fs3%2Faws4_request&X-Amz-Date=20230807T011526Z&X-Amz-Expires=3600&X-Amz-SignedHeaders=host&X-Amz-Signature=2966fb9cd36c8e26a3fef8efc442e524b969c2a7868d019cce513b7517dbb668",
	"background_cover_image_url": null,
	"first_name": "John",
	"last_name": "Marty",
	"full_name": "John Marty",
	"follower_count": null,
	"occupation": "Co-Founder at FF Real Estate",
	"headline": "LinkedIn Top Voice",

theethernaut

#!/bin/bash

set -x
set -e

lastWordAtLine() {
  tail -$1 | head -1 | grep -oE '[^ ]+$'
}

# Identify main account

theethernaut

/*
 * SPDX-License-Identitifer:    MIT
 */

pragma solidity ^0.4.24;


contract APMNamehash {
    
    string pm = "aragonpm";

theethernaut

/*
 * SPDX-License-Identitifer:    MIT
 */

pragma solidity ^0.4.24;


contract APMNamehash {
    /* Hardcoded constants to save gas
    bytes32 internal constant APM_NODE = keccak256(abi.encodePacked(ETH_TLD_NODE, keccak256(abi.encodePacked("aragonpm"))));

theethernaut

pragma solidity ^0.5.0;

contract Configuration {
    uint256 public val1  = 1;
    uint256 public val2  = 2;
    uint256 public val3  = 3;
    uint256 public val4  = 4;
    uint256 public val5  = 5;
    uint256 public val6  = 6;
    uint256 public val7  = 7;

theethernaut

Keybase proof

I hereby claim:

• I am ajsantander on github.
• I am ajsantander (https://keybase.io/ajsantander) on keybase.
• I have a public key whose fingerprint is A6E1 E886 5788 3183 598C A02B D50A 71EE 4A4C AF5F

To claim this, I am signing this object:

theethernaut

pragma solidity ^0.5.0;

contract BadError {
    function test() public payable {
        require(address(this).balance < msg.value + 1);
        msg.sender.transfer(msg.value + 1);
    }
}

theethernaut

pragma solidity ^0.5.0;

contract Loopy {
    
    // 7750 gas
    // 5732 gas (optimized)
    function loop_1() public pure returns (uint acum) {
        for(uint i = 0; i < 100; i++) {
            acum++;
        }

theethernaut

pragma solidity ^0.5.7;

import "./ImplementationProvider.sol";

contract Changeling {
    
    constructor(address implementationProvider) public {
        
        // Request the current implementation address from the provider.
        address implementation = ImplementationProvider(implementationProvider).getImplementation();

theethernaut

pragma solidity ^0.5.7;

import "./ImplementationProvider.sol";

contract Changeling {
    
    constructor(address implementationProvider) public {
        
        // Request the current implementation address from the provider.
        address implementation = ImplementationProvider(implementationProvider).implementation();