you21979

	QC3	PE2.0+	USBPD	CABLE	NOTE
Meizu UP0830	○	○	☓	TypeA	usb-cのモバイルバッテリに5V3Aで充電できた
Xiaomi CDQ02ZM	○	☓	○	TypeC
Sony UCH12	○	○	☓	TypeA	Blackviewの端末ではPE2で充電できなかった
Mackertop45WPD	☓	☓	○	TypeC

you21979

  function prepareFee(): Promise<Object> {
    const multiplier = instructions.signersCount === undefined ? 1 :
      instructions.signersCount + 1
    if (instructions.fee !== undefined) {
      txJSON.Fee = scaleValue(common.xrpToDrops(instructions.fee), multiplier)
      return Promise.resolve(txJSON)
    }
    const cushion = api._feeCushion
    return common.serverInfo.getFee(api.connection, cushion).then(fee => {
      return api.connection.getFeeRef().then(feeRef => {

you21979

Keybase proof

I hereby claim:

• I am you21979 on github.
• I am you21979 (https://keybase.io/you21979) on keybase.
• I have a public key ASC3GWEYISkCprbiw64dxyT_FTwKXtRglfDqdm6g-ke1QAo

To claim this, I am signing this object:

you21979

一日分の高値と安値を取得
その間をトラリピ

you21979

const net = require('net');
const responseParser = require('http-string-parser').parseResponse;

const makeCookieAuth = (user, password) => {
    return new Buffer(user + ':' + password).toString('base64')
}

const makeRequest = (method, params, id) => {
    return JSON.stringify({
        jsonrpc : "2.0",

you21979

const fees = require('bitcoinfees-21co');
const task = require('promise-util-task');
const munin = require('munin-plugin');
const api = fees.FeesApi;

const graphRecommended = (res) => {
    const g = new munin.Graph('bitcoin feerate','satoshi/byte','bitcoin');
    Object.keys(res).forEach(key => {
        g.add(new munin.Model.Default(key).setValue(res[key]));
    })

you21979

https://www.youtube.com/watch?v=5yP7pvQynb4

• bitcoinのトランザクションだけでデータを完結している
• bitcoinのトランザクション内にカウンターパーティのデータを紛れ込ませる
• 1of3のmultisig内に偽装してデータを埋め込む
• トランザクションにはトークン名と残高を記録
• counterpartydはビットコインのブロックチェーンをウォッチして独自データベースに集計する

you21979

mnemonic generate

12 word

const mnemonic = bip39.generateMnemonic();

24 word

you21979

const bitcoin = require("bitcoinjs-lib")
const bip39 = require('bip39')
const bip32utils = require('bip32-utils')
const insight = require('insight-cli').RestClient

const bip44_account = (m, BIP44) => m.deriveHardened(BIP44.PURPOSE).deriveHardened(BIP44.COINTYPE).deriveHardened(BIP44.ACCOUNT)

const mnemonic = ""
const seed = bip39.mnemonicToSeed(mnemonic, "")

you21979

* interledger
* lightning
* ipfs
* iota