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@wanderer
wanderer / index.html
Last active August 7, 2017 19:12 — forked from d3noob/.block
D3.js tree diagram generated from external (JSON) data
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Collapsible Tree Example</title>
<style>
.node circle {
@wanderer
wanderer / gist:17dd8b849e97a10f8598ab75933943bb
Created August 4, 2017 17:29
# 10000 node
Radix Tree
-------
cbor 660 bytes
compressed size 572
Ethereum
-----
rlp 1649 bytes
@wanderer
wanderer / providerupdater.js
Created May 22, 2017 22:03
class ProviderUpdater {
constructor (provider) {
this._provider = provider
this._handler = {
get: (obj, name) => {
return this._provider[name]
},
set: (obj, name, value) => {
this._provider[name] = value
@wanderer
wanderer / add.wast
Created May 5, 2016 08:40
(module
(func $add
(param $a i64)
(param $b i64)
(param $c i64)
(param $d i64)
(param $a1 i64)
(param $b1 i64)
(param $c1 i64)
@wanderer
wanderer / gist:9fa984f7fdadeebdd62e
Last active January 27, 2016 21:19
recover bug in js.js
testing with r as 1
message: f75c6b18a72fabc0f0b888c3da58e004f0af1fe14f7ca5d8c897fe164925d5e9
signature: 0000000000000000000000000000000000000000000000000000000000000001efffd310ac743f371de3b9f7f9cb56c0b28ad43601b4ab949f53faa07bd2c804
recovery: 0
result: 02f08a7cb6296e279bd31b8b382ad5d349113b15048f9cc1d220508eed1d705e62
expected: 03171055193f70bead2e5c90af8c3a3f8da20663c359c16f895c61579218b0717b
@wanderer
wanderer / gist:ffad6c5166e956a6b5a5
Created December 8, 2015 17:38
var Transaction = require('ethereumjs-tx');
var Web3 = require('web3')
var request = require("request");
var rpc = 'http://localhost:8545'
var web3 = new Web3()
web3.setProvider(new web3.providers.HttpProvider(rpc))
var tx = new Transaction();
@wanderer
wanderer / gist:70626eec29f92a4046d2
Last active November 25, 2015 01:08
// imports
var VM = require('ethereumjs-vm')
var Trie = require('merkle-patricia-tree')
var async = require('async')
var ethUtils = require('ethereumjs-util')
var Account = require('ethereumjs-account')
var Tx = require('ethereumjs-tx')
var crypto = require('crypto')
// read in the solidity code and compile it
@wanderer
wanderer / test.js
Created August 10, 2015 16:28
const Ethash = require('./')
const levelup = require('levelup')
const memdown = require('memdown')
Ethash.prototype.verifySubmit = function (number, headerHash, nonce, cb) {
var self = this
console.log(number);
this.loadEpoc(number, function () {
console.log("EPOC set");
console.log(self.seed.toString('hex'));
@wanderer
wanderer / runblockTest.js
Created August 10, 2015 14:19
var async = require('async')
var VM = require('ethereumjs-vm')
var utils = require('ethereumjs-util')
var Block = require('ethereumjs-block')
var Account = require('ethereumjs-account')
var Tx = require('ethereumjs-tx')
var rlp = utils.rlp
var accountAddress = 'cd2a3d9f938e13cd947ec05abc7fe734df8dd826'
var accountKey = 'cow'
@wanderer
wanderer / gist:d2fb3b334e02f7dc3c55
Created June 29, 2015 20:32
geth crash
I0629 16:21:12.855780 23893 queue.go:142] Hash 626c43cae1efee2362cf4b6a9da6a6ba43e0256633218c125e9c14319efa72f7 already scheduled at index 49150
I0629 16:21:12.855794 23893 queue.go:142] Hash 1097bc644b5540b74b15054666de454fc17975d2f05ff8e71379436f6c025527 already scheduled at index 49151
I0629 16:21:12.855808 23893 queue.go:142] Hash 5f2707fcdcacd1c25ff0d76e250b24cbcee32abc7715921cc00a6ab1d5bfe717 already scheduled at index 49152
I0629 16:21:12.855821 23893 queue.go:142] Hash dff8dc1d2538ebde25836ac8f5a5db550d2776cf89eff432a6ee30b7d75b9d52 already scheduled at index 49153
^[[J^[[J^CI0629 16:25:33.780868 23893 cmd.go:60] Shutting down (interrupt) ...
^C^C^CI0629 16:25:50.532086 23893 chain_manager.go:530] Chain manager stopped