junderw

### new ubuntu 18.04 server
### Be sure to run
# sudo apt-get update && sudo apt-get -y upgrade && sudo reboot
### For security updates
### Then run this script with passwordless sudo account ubuntu (default for ubuntu AWS EC2):
# CERTDOMAIN=something.yourdomain.com [email protected] ./thisScript.sh

# Install Bitcoin 0.17.0 etc.
sudo add-apt-repository -y ppa:bitcoin/bitcoin &>/dev/null
sudo apt-get update &>/dev/null

junderw

// Usage:
// getByteCount({'MULTISIG-P2SH:2-4':45},{'P2PKH':1}) Means "45 inputs of P2SH Multisig and 1 output of P2PKH"
// getByteCount({'P2PKH':1,'MULTISIG-P2SH:2-3':2},{'P2PKH':2}) means "1 P2PKH input and 2 Multisig P2SH (2 of 3) inputs along with 2 P2PKH outputs"
function getByteCount(inputs, outputs) {
    var totalWeight = 0
    var hasWitness = false
    var inputCount = 0
    var outputCount = 0
    // assumes compressed pubkeys in all cases.
    var types = {

junderw

#!/bin/bash

SELECTION=$1
if [ -z "$1" ]
  then
    SELECTION="JPN"
fi

# Default JPN
CODE=108

junderw

async function aesEncrypt(data, password, difficulty = 10) {
  const hashKey = await grindKey(password, difficulty)
  const iv = await getIv(password, data)

  const key = await window.crypto.subtle.importKey(
    'raw',
    hashKey, {
      name: 'AES-GCM',
    },
    false,

junderw

# Get rid of remotes
git fetch --prune --all

# Check branches for stuff you might want to keep
# This will show branches that are NOT on the remote for origin or upstream
git branch | grep -v "$(git branch --remote | grep -e "origin/\|upstream/" | grep -v "\->" | cut -d/ -f2)"

# Here's another one to check. checks your local master and gives any branches that are merged to master
git branch --merged=master | grep -v master

junderw

var POW31 = 0x80000000
var MSK31 = 0x7FFFFFFF

function checkBitSize(bs) {
    if (bs > 53 || bs < 1 || Math.floor(bs) !== bs) {
        throw new Error('Invalid Bit Size')
    }
}

function splitBits(val, size) {

junderw

class CBOREncoder {
  private entryCount: number = 0;
  private data: Uint8Array = Uint8Array.from([]);

  pushBool(key: string, value: boolean): void {
    this.entryCount++;
    this.pushTextInternal(key);
    this.pushBoolInternal(value);
  }

junderw

/*
 * input: "wpkh([d34db33f/84h/0h/0h]0279be667ef9dcbbac55a06295Ce870b07029Bfcdb2dce28d959f2815b16f81798)"
 * output: "wpkh([d34db33f/84h/0h/0h]0279be667ef9dcbbac55a06295Ce870b07029Bfcdb2dce28d959f2815b16f81798)#qwlqgth7"
 * (This has been checked to match bitcoin-core)
 */
function descriptorChecksum(desc) {
  if (!(typeof desc === 'string' || desc instanceof String)) throw new Error('desc must be string')

  const descParts = desc.match(/^(.*?)(?:#([qpzry9x8gf2tvdw0s3jn54khce6mua7l]{8}))?$/);
  if (descParts[1] === '') throw new Error('desc string must not be empty')

junderw

# This is one big command. Fill it out in a text editor and copy-paste
# the whole thing to get tls.key and tls.cert files for use with lnd

openssl \
  req \
  -newkey ec:<(openssl ecparam -name prime256v1) \
  -nodes `# No password` \
  -keyout \
  tls.key `# private key filename` \
  -x509 \

junderw

// Mimics Buffer.from(x, 'hex') logic
// Stops on first non-hex string and returns
// https://github.com/nodejs/node/blob/v14.18.1/src/string_bytes.cc#L246-L261
Uint8Array.fromHex = function (hexString) {
  const MAP_HEX = {0:0,1:1,2:2,3:3,4:4,5:5,6:6,7:7,8:8,9:9,a:10,b:11,c:12,d:13,e:14,f:15,A:10,B:11,C:12,D:13,E:14,F:15};
  const bytes = new this(Math.floor((hexString || "").length / 2));
  let finalLen = bytes.length;
  for (let i = 0; i < finalLen; i++) {
    const a = MAP_HEX[hexString[i * 2]];
    const b = MAP_HEX[hexString[i * 2 + 1]];