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Lucas H. lucashenning

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lucashenning / aws-kms-eth-sign.ts
Created November 2, 2020 13:51
AWS KMS based Ethereum transaction signing
import { KMS } from 'aws-sdk';
import { keccak256 } from 'js-sha3';
import * as ethutil from 'ethereumjs-util';
import Web3 from 'web3';
import * as asn1 from 'asn1.js';
import BN from 'bn.js';
import { Transaction, TxData } from 'ethereumjs-tx';
import { TransactionReceipt } from 'web3-core/types';
const kms = new KMS({
@lucashenning
lucashenning / StandaloneERC721.sol
Created May 14, 2020 12:10
pragma solidity ^0.5.0;
import "https://github.com/OpenZeppelin/openzeppelin-sdk/blob/v2.5.0/packages/lib/contracts/Initializable.sol";
import "https://github.com/OpenZeppelin/openzeppelin-contracts/blob/v2.5.0/contracts/token/ERC721/ERC721.sol";
import "https://github.com/OpenZeppelin/openzeppelin-contracts/blob/v2.5.0/contracts/token/ERC721/ERC721Enumerable.sol";
import "https://github.com/OpenZeppelin/openzeppelin-contracts/blob/v2.5.0/contracts/token/ERC721/ERC721Metadata.sol";
import "https://github.com/OpenZeppelin/openzeppelin-contracts/blob/v2.5.0/contracts/token/ERC721/ERC721MetadataMintable.sol";
import "https://github.com/OpenZeppelin/openzeppelin-contracts/blob/v2.5.0/contracts/token/ERC721/ERC721Pausable.sol";
@lucashenning
lucashenning / gist:2fd70013254868c40788f83aa041463b
Last active November 15, 2018 17:17
send ethereum transaction
curl -X POST --data '{"jsonrpc":"2.0","method":"eth_sendTransaction","params”:[{ "from": "0xe0e30a6de5ad46c2dd0b8064da49cc65e40adf4e", "to": "0xd46e8dd67c5d32be8058bb8eb970870f07244567", "gas": "0x76c0", "gasPrice": "0x9184e72a000", "value": "0x9184e72a", "data": "0xd46e8dd67c5d32be8d46e8dd67c5d32be8058bb8eb970870f072445675058bb8eb970870f072445675"}],”id":1}' 172.31.34.23:8545