diff --git a/contrib/sda_checkpoints.pl b/contrib/sda_checkpoints.pl new file mode 100644 index 000000000..ab468af86 --- /dev/null +++ b/contrib/sda_checkpoints.pl @@ -0,0 +1,48 @@ +#!/usr/bin/perl +# Copyright (c) 2016-2022 The Hush developers +# Distributed under the GPLv3 software license, see the accompanying +# file COPYING or https://www.gnu.org/licenses/gpl-3.0.en.html + +# This script is used to generate the checkpoint data used by the SilentDragon Android SDK +# https://git.hush.is/fekt/hush-android-wallet-sdk/src/branch/main/sdk-lib/src/main/assets/co.electriccoin.zcash/checkpoint/mainnet + +use warnings; +use strict; +my $hush = "./src/hush-cli"; +my $getblock= "$hush getblock"; +my $gethash = "$hush getblockhash"; +my $gettree = "$hush getblockmerkletree"; +my $start = shift || 1190000; +my $end = shift || 1260000; +my $stride = shift || 10000; + +my $blocks = qx{$hush getblockcount}; +if($?) { + print "ERROR, is hushd running? exiting...\n"; + exit 1; +} + +if ($end > $blocks) { + print "The block $end is beyond how many blocks this node knows about, exiting...\n"; + exit 1; +} + +if ($start < 1) { + print "Invalid start block $start, exiting...\n"; + exit 1; +} + +my $block = $start; +while (1) { + last if $block > $end; + my $blockhash = qx{$gethash $block}; + my $blocktime = qx{$getblock $block | grep time}; + my $merkle = qx{$gettree $block}; + chomp $merkle; + chomp $blockhash; + chomp $blocktime; + $blocktime =~ s/^\s+|\s+$//g ; + print qq{{\n\t"network": "main",\n\t"height": "$block",\n\t"hash": "$blockhash",\n\t$blocktime\n\t"saplingTree": "$merkle"\n},\n}; + + $block += $stride; +}