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#!/usr/bin/env bash
###
### arching-kaos-tools
### Tools to interact and build an Arching Kaos Infochain
### Copyright (C) 2021 - 2025 kaotisk
###
### This program is free software: you can redistribute it and/or modify
### it under the terms of the GNU General Public License as published by
### the Free Software Foundation, either version 3 of the License, or
### (at your option) any later version.
###
### This program is distributed in the hope that it will be useful,
### but WITHOUT ANY WARRANTY; without even the implied warranty of
### MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
### GNU General Public License for more details.
###
### You should have received a copy of the GNU General Public License
### along with this program. If not, see <http://www.gnu.org/licenses/>.
###
source $AK_LIBDIR/_ak_sblock
AK_SCHAINSDIR=$AK_WORKDIR/schains
GENESIS="00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000"
function _ak_schain_latest_cached(){
if [ ! -f $AK_WORKDIR/schain.latest ]
then
_ak_schain_get_latest > $AK_WORKDIR/schain.latest
fi
cat $AK_WORKDIR/schain.latest
}
function _ak_schain_tidy(){
SLATEST=$(_ak_schain_get_latest | jq -r '.latest_block')
if [ ! -d $AK_SCHAINSDIR ]
then
mkdir $AK_SCHAINSDIR
fi
}
function _ak_schain_block_latest_block_hash(){
_ak_schain_get_latest | jq -r '.latest_block'
}
function _ak_schain_crawl(){
if [ ! -z $1 ] && [ -n "$1" ]
then
CUR_TARGET="$1"
else
_ak_log_warning "No next target found. So long for $1"
exit 1
fi
if [ $counter -eq 0 ]
then
echo '['
counter=$(($counter + 1))
else
_ak_log_info "Counter: $counter, LIMIT_ENABLED: $LIMIT_ENABLED, LIMIT: $LIMIT"
if [ "$LIMIT_ENABLED" == "yes" ]
then
if [ $counter -eq $LIMIT ]
then
echo ']'
exit 0
fi
fi
echo ','
counter=$(($counter + 1))
fi
if [ "$1" == "$GENESIS" ]
then
echo '{"genesis":"genesis"}' | jq
echo ']'
_ak_log_warning "Looks like genesis. Exiting with 0"
exit 0
fi
if [ ! -f "$AK_MINEDBLOCKSDIR/$CUR_TARGET" ]
then
_ak_log_warning "Could not find $CUR_TARGET"
else
( echo -n '{"sblock":"'$1'",' &&
_ak_sblock_show $CUR_TARGET | sed -e 's/^{//g') | jq
NEXT_TARGET="$(_ak_sblock_show $CUR_TARGET | jq -r '.previous')"
_ak_log_info "Found previous: $NEXT_TARGET"
_ak_schain_crawl "$NEXT_TARGET"
fi
}
function _ak_schain_crawl_interface(){
LIMIT_ENABLED="no"
LIMIT=0
counter=0
if [ -z $1 ] || [ ! -n "$1" ]
then
_ak_schain_crawl `_ak_schain_block_latest_block_hash`
else
while [ "$#" ]; do
case "$1" in
-l)
LIMIT_ENABLED="yes"
LIMIT=$2
shift 2
;;
*)
_ak_schain_crawl "$1"
;;
esac
done
fi
}
function _ak_schain_count_schain(){
echo -n $1 | grep -e '[0-9a-f]\{128\}' > /dev/null
if [ $? -ne 0 ]
then
_ak_log_error "Not a SHA512 hash"
exit 1
fi
echo -n $1 | grep -e '0\{128\}' > /dev/null
if [ $? -ne 0 ]
then
_ak_log_info "Genesis block found!"
fi
if [ ! -z $2 ] && [ -n "$2" ]
then
printf '%s' "$(echo $(( $(cat $tempcounters/$2) + 1 )))" > $tempcounters/$2
fi
_ak_log_info "Accessing file: $1"
NEXT_TARGET="$(cat "$AK_MINEDBLOCKSDIR/$1" | jq -r '.previous')"
if [ -n "$NEXT_TARGET" ]
then
_ak_log_info "Found previous: $NEXT_TARGET"
if [ ! -f "$AK_MINEDBLOCKSDIR/$NEXT_TARGET" ]
then
_ak_log_warning "Could not find $NEXT_TARGET"
else
_ak_schain_count_schain "$NEXT_TARGET" "$2"
fi
else
_ak_log_warning "No next target found. So long for $1"
fi
}
function _ak_sblock_get_latest_from_haystack_of_sblocks(){
templistblock="$(_ak_make_temp_file)"
tempcounters="$(_ak_make_temp_directory)"
max="$(_ak_make_temp_file)"
max_holder="$(_ak_make_temp_file)"
echo -n 0 > $max
echo -n "00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000" > $max_holder
find $AK_MINEDBLOCKSDIR -maxdepth 1 -type f | while read line
do
basename "${line}" >> $templistblock
done
if [ "$(cat $templistblock | wc -l)" -eq 0 ]
then
_ak_log_error "No sblocks found"
max_holder="00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000"
printf '{"latest_block":"%s"}' "$max_holder" | tee $AK_WORKDIR/schain.latest
exit
fi
cat $templistblock | while read line
do
if [ "$(echo $line | tr -d '\n' | wc -c)" -eq 128 ]
then
filename="$(basename $line)"
_ak_log_info "Investigating $filename..."
printf '1' > $tempcounters/$filename
_ak_schain_count_schain "$filename" "$filename"
else
_ak_log_warning "Nothing to do with $filename"
fi
done
rm $templistblock
find $tempcounters -type f | while read line
do
_ak_log_debug "Current MAX $(cat $max) on $(cat $max_holder)"
_ak_log_debug "Current $(cat $line) blocks on $(basename $line)"
linesum="$(cat $line)"
if [ $linesum -gt $(cat $max) ]
then
cat $line > $max
basename $line > $max_holder
_ak_log_info "New MAX $(cat $max) on $(cat $max_holder)"
fi
done
printf '{"latest_block":"%s"}' "$(cat $max_holder)" | tee $AK_WORKDIR/schain.latest
}
function _ak_schain_get_latest(){
_ak_sblock_get_latest_from_haystack_of_sblocks
}
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