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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_log

function _ak_network_yggdrasil_scan_full(){
    # This scan is using HIA resources to scan the whole cjdns network for peers
    #
    # Ref:
    #  - https://github.com/ircerr/yia/
    #  - http://yia.yggdrasil-network.ca/watchlist/yia.iplist
    #
    TEMPDIR="$(_ak_make_temp_directory)"
    cd $TEMPDIR
    pubkeys_ips="$TEMPDIR/pi"
    online_ips="$TEMPDIR/oi"
    filtered_online_pubkeys_ips="$TEMPDIR/fopi"
    curl -s \
        --connect-timeout 5 \
        "http://yia.yggdrasil-network.ca/crawler/crawler-yia.pubkey" > $pubkeys_ips
    if [ $? -ne 0 ]
    then
        _ak_log_error "Couldn't fetch DB from YIA"
        exit 1
    fi
    counter=0
    count=0
    max="$(cat $pubkeys_ips|wc -l)"
    printf '[' > walk.aknet
    cat $pubkeys_ips \
        | sort \
        | uniq \
        | while read -r pkey ip || [ -n "$ip" ]
    do
        count="$(( $count + 1 ))"
        _ak_log_debug "Scanning [${count}/${max}] $ip..."
        node_info="$(curl \
            --connect-timeout 3 \
            -A 'akd/0.1.0; https://github.com/arching-kaos' \
            "http://[$ip]:8610/v0/node_info" 2>/dev/null | jq -c -M)"
        if [ $? -eq 0 ] && [ $(echo -n "$node_info" | wc -c) -gt 0 ]
        then
            if [ "$counter" -ne "0" ]
            then
                printf ',' >> walk.aknet
            fi
            if [ ! -n "$node_info" ]
            then
                node_info="null"
            fi
            printf '{"yggdrasil":{"public_key":"%s","ip":"%s"},"node_info":%s}' \
                "$pkey" "$ip" "$node_info" >> walk.aknet
            counter="`expr $counter + 1`"
        fi
    done
    printf ']' >> walk.aknet
    mv walk.aknet $AK_ZPEERSFILE.yggdrasil
    rm -rf $TEMPDIR
}

function _ak_network_yggdrasil_show_peers(){
    if [ -f $AK_ZPEERSFILE.yggdrasil ]
    then
        cat $AK_ZPEERSFILE.yggdrasil | jq
    else
        _ak_log_debug "No yggdrasil peers found"
    fi
}