rickhull

#!/bin/bash
set -e

HOSTNAME="dummy"
IFACE="eth0"
LANG="en_US.UTF-8"
TIMEZONE="America/New_York"

# Hostname
echo $HOSTNAME > /etc/hostname

rickhull

require 'async'
require 'async/barrier'
require 'async/http/endpoint'
require 'async/websocket/client'

require 'nostrb/source'

module Nostrb
  class Client
    def initialize(relay_url)

rickhull

    class Pragma
      ENUM = {
        'auto_vacuum' => %w[none full incremental],
        'synchronous' => %w[off normal full],
        'temp_store' => %w[default file memory],
      }

      RO = %w[data_version freelist_count page_count]
      RW =
        %w[application_id analysis_limit auto_vacuum automatic_index

rickhull

# https://github.com/Gerg-L/nix-templates/blob/master/devShell%2Fflake.nix
{
  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
  };
  outputs =
    { nixpkgs, ... }:
    {
      devShells.x86_64-linux =
        let

rickhull

[nix-shell:~/git/compsci]$ sh install_ruzzy.sh
<internal:/home/rwh/.asdf/installs/ruby/3.2.2/lib/ruby/3.2.0/rubygems/core_ext/kernel_require.rb>:85:in `require': libyaml-0.so.2: cannot open shared object file: No such file or directory - /home/rwh/.asdf/installs/ruby/3.2.2/lib/ruby/3.2.0/x86_64-linux/psych.so (LoadError)
        from <internal:/home/rwh/.asdf/installs/ruby/3.2.2/lib/ruby/3.2.0/rubygems/core_ext/kernel_require.rb>:85:in `require'
        from /home/rwh/.asdf/installs/ruby/3.2.2/lib/ruby/3.2.0/psych.rb:13:in `<top (required)>'
        from <internal:/home/rwh/.asdf/installs/ruby/3.2.2/lib/ruby/3.2.0/rubygems/core_ext/kernel_require.rb>:85:in `require'
        from <internal:/home/rwh/.asdf/installs/ruby/3.2.2/lib/ruby/3.2.0/rubygems/core_ext/kernel_require.rb>:85:in `require'
        from /home/rwh/.asdf/installs/ruby/3.2.2/lib/ruby/3.2.0/rubygems.rb:608:in `load_yaml'
        from /home/rwh/.asdf/installs/ruby/3.2.2/lib/ruby/3.2.0/rubygems/config_file.rb:346:in `load_file'
        from /home/r

rickhull

require 'rbconfig/sizeof'  # can we use 64 bit ints?
require 'benchmark/ips'
require 'bitset'

# this should work well up to 64 bits on 64 bit platforms
# using native integers
# beyond that, Bignums will be generated
class BitsInt
  attr_reader :int

rickhull

require 'zlib'
require 'digest'
require 'openssl'
require 'benchmark/ips'

DIGESTS = %w[MD5 SHA1 SHA256 SHA384 SHA512 RMD160].map { |name|
  Digest(name).new
}

OPENSSL_DIGESTS = %w[SHA1

rickhull

[rwh@nixos:~/code/59774592dbaf12d47fa53d0c29c13e6d]$ ruby --version
ruby 3.2.2 (2023-03-30 revision e51014f9c0) [x86_64-linux]

[rwh@nixos:~/code/59774592dbaf12d47fa53d0c29c13e6d]$ ruby test_digest.rb
Run options: --seed 50097

# Running:

..........

rickhull

require 'bitset'
require 'zlib'

class BloomFilter
  # just defaults, overrideable
  SEED = 0
  FPR = 0.01

  def self.num_bits(num_items, fpr: FPR)
    (-1 * num_items * Math.log(fpr) / Math.log(2) ** 2).ceil

rickhull

require 'thread'

class ThreadInterrupt < RuntimeError; end

def try_ip
  if rand(2).zero?
    sleep 0.5
    true
  else
    sleep(rand(5) + 1)