sontuphan

var db = global.db;

var ethBlock = require('ethereumjs-block');
var rlp = require('rlp');

var utils = require('./libs/utils');
var geth = require('./libs/geth');
var trie = require('./libs/trie');

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var merklePatriciaTree = require('merkle-patricia-tree');
var rlp = require('rlp');
var db = global.db;

var Trie = function () {}

Trie.getInfoByAddress = function (root, address) {
    var root = new Buffer(root, 'hex');
    var address = new Buffer(address, 'hex');
    var trie = new merklePatriciaTree(db, root);

sontuphan

var path = require('path');
var levelup = require('levelup');
var leveldown = require('leveldown');

/**
 * Level DB
 */
var levelDBPath = path.relative('./', '/Users/User/Library/Ethereum/ropsten/geth/chaindata');
var db = levelup(leveldown(levelDBPath));

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var Web3 = require('web3');
var web3 = new Web3(new Web3.providers.HttpProvider("http://localhost:8545"));

console.log("\n===========================================");
console.log("========== Geth connected:", web3.isConnected(), "===========");
console.log("===========================================\n");

var Geth = function () {}

Geth.getStateRoot = function (blockNumber) {

sontuphan

{
  'cab8': 'dog',
  'cabe': 'cat',
  '39': 'chicken',
  '395': 'duck',
  '56f0': 'horse'
}

sontuphan

{
  do: 0,
  dog: 1,
  dax: 2,
  dogu: 3,
  dodo: 4,
  house: 5,
  houses: 6
}

sontuphan

> [ 1, 2, 3, 4, 5]
'11 23 45'
> [ 0, 1, 2, 3, 4, 5]
'00 01 23 45'
> [ 0, f, 1, c, b, 8, 16]
'20 0f 1c b8'
> [ f, 1, c, b, 8, 16]
'3f 1c b8'

sontuphan

node type    path length    |    prefix    hexchar
--------------------------------------------------
extension    even           |    0000      0x0
extension    odd            |    0001      0x1
leaf         even           |    0010      0x2
leaf         odd            |    0011      0x3

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Root: {1: 'Dog', 2: B, 3: A}
A: {1: C, 2: D, 3: 'Cat'}
B: {1: 'Goat', 2: 'Bear', 3: 'Rat'}
C: {1: 'Eagle', 2: 'Parrot', 3: E}
D: {1: 'Shark', 2: 'Dolphin', 3: 'Whale'}
E: {1: 'Duck', 2: 'Chinken', 3: 'Pig'}

sontuphan

// Hash algorithm is Keccak256

var s = Math.floor((Math.random() * 1000000000) + 1); // s = 830178382
var selection = ‘rock’;
var combination = selection + s; // combination = ‘rock830178382’
var hashOfCombination = keccak256(combination);
// hashOfCombination = 4d49bb261ecb887e152051da601d028e070635d24da07da2828fca8fecedee50