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Financial mathematics of JoinMarket fidelity bonds

13/7/2019

4/4/2021 (edited fixing formula and adding two graphs)

7/5/2021 (added appendix 1)

To read the context see the main document Design for improving joinmarket's resistance to sybil attacks using fidelity bonds.

xanoni

#! /usr/bin/env bash

PCT_INIT=100
PCT_MIN=25
PCT_DROP=25

MIN_AMOUNT=10000 # don't rebalance below this amount (def: 10k)
MIN_LOCAL=1000000 # min outbound sats per chan (def: 1M)
MIN_REMOTE=1000000 # min inbound sats per chan (def: 1M)
FEE_FACTOR=0.95 # (def: 1.0)

xanoni

#! /usr/bin/env -S bash -ex

if [ -z "${1}" ]; then
    echo -en "\nPlease provide number of Gs (as integer or float)!\n\n" && exit 1
fi

disk_size=$(bc -l <<< "2048*1024*${1}")

diskutil erasevolume HFS+ "ram" $(hdiutil attach -nomount ram://${disk_size})

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#! /usr/bin/env sh

echo "$(cd "$(dirname "$1")"; pwd -P)/$(basename "$1")"

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#!/usr/bin/env python2

import Quartz

#wl = Quartz.CGWindowListCopyWindowInfo( Quartz.kCGWindowListOptionOnScreenOnly | Quartz.kCGWindowListExcludeDesktopElements, Quartz.kCGNullWindowID)
wl = Quartz.CGWindowListCopyWindowInfo( Quartz.kCGWindowListOptionAll, Quartz.kCGNullWindowID)

wl = sorted(wl, key=lambda k: k.valueForKey_('kCGWindowOwnerPID'))

#print wl

xanoni

#! /usr/bin/env -S bash -ex

ps -A | grep diskimages-helper | awk '{print $1}' | xargs kill -9

xanoni

#! /usr/bin/env bash

for n in {1..1000}; do
    dd if=/dev/urandom of="file-${1}-$( printf %03d "$n" ).bin" bs=1 count="$(( RANDOM + 1024 ))"
done

xanoni

Moved here: https://github.com/xanoni/RaspberryPi-4B-LUKS-Scripts/blob/main/scripts/chroot-on-off.sh

xanoni

#! /usr/bin/env -S bash -x

echo "Starting ..."

rm -rf ~/Library/Caches/Apple\ -\ Safari\ -\ Safari\ Extensions\ Gallery
rm -rf ~/Library/Caches/Metadata/Safari
rm -rf ~/Library/Caches/com.apple.Safari
rm -rf ~/Library/Caches/com.apple.WebKit.PluginProcess
rm -rf ~/Library/Cookies/Cookies.binarycookies
rm -rf ~/Library/Preferences/Apple\ -\ Safari\ -\ Safari\ Extensions\ Gallery

xanoni

#! /usr/bin/env bash

servers="srv1 srv12srv3 srv4 srv5 srv6"
script_dir="$HOME/.configs-shared"
username="xyz"

for server in ${servers}; do
    echo -en "\n--------------------\nServer: ${server}\n--------------------\n"
    set -v
    scp -r "${script_dir}"/* "${username}@${server}:/usr/local/etc/shared/"