Basic support for testnet3 (WIP)

Author: kristapsk

rootfiles/etc/sv/bitcoind-testnet3/log/run

@@ -0,0 +1,2 @@
+#!/bin/sh
+exec vlogger -t bitcoind-testnet3 -p daemon

rootfiles/etc/sv/bitcoind-testnet3/run

@@ -0,0 +1,2 @@
+#!/bin/sh
+exec chpst -u bitcoind /home/bitcoind/bitcoin-26.1/bin/bitcoind -conf=/home/bitcoind/testnet3.conf 2>&1

rootfiles/etc/sv/lnd-testnet3/log/run

@@ -0,0 +1,2 @@
+#!/bin/sh
+exec vlogger -t lnd-testnet3 -p daemon

rootfiles/etc/sv/lnd-testnet3/run

@@ -0,0 +1,12 @@
+#!/bin/sh
+# shellcheck source=/dev/null
+[ -r conf ] && . ./conf
+exec 2>&1
+# wait for OS to acquire a clock sync.
+# random date in the past: Oct 22 06:40:00 PM UTC 2023
+while [ "$(date +%s)" -lt 1698000000 ]
+do
+    echo "service start suspended until clock sync"
+    sleep 5
+done
+exec chpst -u lnd /home/lnd/lnd-linux-arm64-v0.17.4-beta/lnd -C /home/lnd/lnd.testnet3.conf 2>&1

rootfiles/home/bitcoind/testnet3.conf

@@ -0,0 +1,36 @@
+testnet=1
+datadir=/ssd/bitcoind/testnet3
+
+# lower resources since we're running on a raspberry pi.
+maxuploadtarget=2048
+maxconnections=80
+# allow local electrs and others to grab as much data as they need.
+whitelist=127.0.0.1
+
+# make bitcoin p2p accessible over tor but use clearnet for ipv4 and ipv6.
+onion=127.0.0.1:9050
+# cat /ssd/tor/bitcoind/hostname
+externalip=${hostname.onion}
+# force discovering own clearnet addresses.
+discover=1
+
+# listen to RPC commands.
+server=1
+rpcbind=127.0.0.1
+rpcport=18332
+rpcallowip=127.0.0.1
+# rpcauth.py rpc
+# ${rpcauth}
+rpcauth=${rpcauth_hash}
+
+# push data over ZMQ to lnd
+zmqpubrawblock=tcp://127.0.0.1:18331
+zmqpubrawtx=tcp://127.0.0.1:18330
+
+# no use for built-in hot wallet.
+disablewallet=1
+
+# log to stderr for the syslog to pick it up.
+printtoconsole=1
+#nodebuglogfile=1
+logtimestamps=0

rootfiles/home/lnd/lnd.testnet3.conf

@@ -0,0 +1,41 @@
+; https://docs.lightning.engineering/lightning-network-tools/lnd/lnd.conf
+
+[application options]
+alias=nakamochi
+;wallet-unlock-password-file=/home/lnd/walletunlock.txt
+debuglevel=info
+maxpendingchannels=10
+datadir=/ssd/lnd/data
+logdir=/ssd/lnd/logs
+maxlogfiles=3
+tlsautorefresh=true
+tlsextradomain=${hostname.onion}
+externalhosts=${hostname.onion}
+listen=[::]:9735
+rpclisten=0.0.0.0:10009
+restlisten=0.0.0.0:10010
+
+[autopilot]
+autopilot.active=false
+
+[bitcoin]
+bitcoin.active=true
+bitcoin.chaindir=/ssd/lnd/data/chain/testnet3
+bitcoin.mainnet=false
+bitcoin.testnet=true
+bitcoin.regtest=false
+bitcoin.simnet=false
+bitcoin.node=bitcoind
+
+[bitcoind]
+bitcoind.rpchost=127.0.0.1
+bitcoind.rpcuser=rpc
+bitcoind.rpcpass=${rpcauth}
+bitcoind.zmqpubrawblock=tcp://127.0.0.1:18331
+bitcoind.zmqpubrawtx=tcp://127.0.0.1:18330
+; Defaults to CONSERVATIVE
+; bitcoind.estimatemode=ECONOMICAL
+
+[tor]
+tor.active=true
+tor.skip-proxy-for-clearnet-targets=true

tools/finalize-nakamochi.sh

@@ -129,6 +129,7 @@ run_main()
     fi
 
     # check for existing lightning wallet
+    # only check for mainnet wallet as accidentally deleting it might lose funds, other stuff is not so important
     if [[ -f "$SSD_MOUNT_POINT/lnd/data/chain/bitcoin/mainnet/wallet.db" ]]; then
         echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
         echo "Existing lightning wallet found on SSD."
@@ -141,6 +142,7 @@ run_main()
             echo -n "Removing wallet unlock file and clearing LND config ... "
             rm "$USD_MOUNT_POINT"/home/lnd/walletunlock.txt
             sed -i "s/^wallet-unlock-password-file=.*/;wallet-unlock-password-file=\/home\/lnd\/walletunlock.txt/" "$USD_MOUNT_POINT"/home/lnd/lnd.mainnet.conf
+            sed -i "s/^wallet-unlock-password-file=.*/;wallet-unlock-password-file=\/home\/lnd\/walletunlock.txt/" "$USD_MOUNT_POINT"/home/lnd/lnd.testnet3.conf
             echo "done."
         else
             echo "Aborted."
@@ -160,18 +162,22 @@ run_main()
     echo "$NAKAMOCHI_ID" > "$USD_MOUNT_POINT"/etc/nakamochi-id
     echo "$NAKAMOCHI_ID" > "$SSD_MOUNT_POINT"/nakamochi-id
 
-    # generate 2 onion services, one for bitcoind and one for lnd
+    # generate onion services for bitcoind and lnd
     echo -n "Generating onion services ... "
     onion_tmp_dir="$(mktemp -d)"
     mkp224o -d "$onion_tmp_dir" -n 1 b
+    mkp224o -d "$onion_tmp_dir" -n 1 tb
     mkp224o -d "$onion_tmp_dir" -n 1 l
+    mkp224o -d "$onion_tmp_dir" -n 1 tl
     echo "done."
 
     # copy the generated service directories to the SSD and fix user/group
     echo -n "Configuring onion services ... "
-    mkdir -p "$SSD_MOUNT_POINT"/tor/{bitcoind,lnd}
+    mkdir -p "$SSD_MOUNT_POINT"/tor/{bitcoind,bitcoind-testnet3,lnd,lnd-testnet3}
     cp -r "$onion_tmp_dir"/b*/* "$SSD_MOUNT_POINT"/tor/bitcoind/
+    cp -r "$onion_tmp_dir"/tb*/* "$SSD_MOUNT_POINT"/tor/bitcoind-testnet3/
     cp -r "$onion_tmp_dir"/l*/* "$SSD_MOUNT_POINT"/tor/lnd/
+    cp -r "$onion_tmp_dir"/tl*/* "$SSD_MOUNT_POINT"/tor/lnd-testnet3/
     onion_user_group="$(grep tor "$USD_MOUNT_POINT"/etc/passwd | cut -d: -f 3-4)"
     chown -R "$onion_user_group" "$SSD_MOUNT_POINT"/tor
     echo "done."
@@ -190,20 +196,32 @@ run_main()
     echo "done."
 
     # modify bitcoin configuration
-    bitcoind_conf="$USD_MOUNT_POINT"/home/bitcoind/mainnet.conf
-    echo -n "Finalizing bitcoin configuration ($bitcoind_conf) ..."
-    bitcoind_onion_hostname="$(cat "$SSD_MOUNT_POINT"/tor/bitcoind/hostname)"
-    patch_bitcoind_conf "$bitcoind_conf" "$bitcoind_rpcauth" "$bitcoind_rpcpass" "$bitcoind_onion_hostname"
-    echo "done."
-    grep rpc "$bitcoind_conf"
+    for bitcoind_network in mainnet testnet3; do
+        bitcoind_conf="$USD_MOUNT_POINT"/home/bitcoind/$bitcoind_network.conf
+        echo -n "Finalizing bitcoin configuration ($bitcoind_conf) ..."
+        if [[ "$bitcoind_network" == "mainnet" ]]; then
+            bitcoind_onion_hostname="$(cat "$SSD_MOUNT_POINT"/tor/bitcoind/hostname)"
+        else
+            bitcoind_onion_hostname="$(cat "$SSD_MOUNT_POINT"/tor/bitcoind-$bitcoind_network/hostname)"
+        fi
+        patch_bitcoind_conf "$bitcoind_conf" "$bitcoind_rpcauth" "$bitcoind_rpcpass" "$bitcoind_onion_hostname"
+        echo "done."
+        grep rpc "$bitcoind_conf"
+    done
 
     # modify lnd configuration
-    lnd_conf="$USD_MOUNT_POINT"/home/lnd/lnd.mainnet.conf
-    echo -n "Finalizing lnd configuration ($lnd_conf) ..."
-    lnd_onion_hostname="$(cat "$SSD_MOUNT_POINT"/tor/lnd/hostname)"
-    patch_lnd_conf "$lnd_conf" "$bitcoind_rpcuser" "$bitcoind_rpcpass" "$lnd_onion_hostname"
-    echo "done."
-    grep rpc "$lnd_conf"
+    for bitcoind_network in mainnet testnet3; do
+        lnd_conf="$USD_MOUNT_POINT"/home/lnd/lnd.$bitcoind_network.conf
+        echo -n "Finalizing lnd configuration ($lnd_conf) ..."
+        if [[ "$bitcoind_network" == "mainnet" ]]; then
+            lnd_onion_hostname="$(cat "$SSD_MOUNT_POINT"/tor/lnd/hostname)"
+        else
+            lnd_onion_hostname="$(cat "$SSD_MOUNT_POINT"/tor/lnd-$bitcoind_network/hostname)"
+        fi
+        patch_lnd_conf "$lnd_conf" "$bitcoind_rpcuser" "$bitcoind_rpcpass" "$lnd_onion_hostname"
+        echo "done."
+        grep rpc "$lnd_conf"
+    done
 
     # fix bitcoin and lnd user/group on SSD to match uSD (just in case)
     echo -n "Checking / fixing bitcoin and lnd user/group on SSD ... "