improve nodeinfo
- enable usage outside of secure-node.nix - use json as the output format - show ports - also show local addresses, which is particularly useful when netns-isolation is enabled - only show enabled services
This commit is contained in:
Erik Arvstedt
parent
f6b883a9ac
commit
323a431aba
@ -49,7 +49,6 @@ Features
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---
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A [configuration preset](modules/presets/secure-node.nix) for setting up a secure node
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* All applications use Tor for outbound connections and support accepting inbound connections via onion services.
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* Includes a [nodeinfo](modules/nodeinfo.nix) script which prints basic info about the node.
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NixOS modules
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* Application services
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@ -74,6 +73,7 @@ NixOS modules
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* [bitcoin-core-hwi](https://github.com/bitcoin-core/HWI)
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* Helper
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* [netns-isolation](modules/netns-isolation.nix): isolates applications on the network-level via network namespaces
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* [nodeinfo](modules/nodeinfo.nix): script which prints info about the node's services
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* [backups](modules/backups.nix): daily duplicity backups of all your node's important files
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* [operator](modules/operator.nix): adds non-root user `operator` who has access to client tools (e.g. `bitcoin-cli`, `lightning-cli`)
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@ -8,7 +8,7 @@ fetch-release > nix-bitcoin-release.nix
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Nodeinfo
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---
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Run `nodeinfo` to see the onion addresses for enabled services.
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Run `nodeinfo` to see onion addresses and local addresses for enabled services.
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Connect to spark-wallet
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---
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@ -86,10 +86,10 @@ Connect to electrs
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nixops deploy -d bitcoin-node
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```
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3. Get electrs onion address
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3. Get electrs onion address with format `<onion-address>:<port>`
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```
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nodeinfo | grep 'ELECTRS_ONION'
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nodeinfo | jq -r .electrs.onion_address
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```
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4. Connect to electrs
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@ -98,7 +98,7 @@ Connect to electrs
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On Desktop
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```
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electrum --oneserver -1 -s "<ELECTRS_ONION>:50001:t" -p socks5:localhost:9050
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electrum --oneserver -1 -s "<electrs onion address>:t" -p socks5:localhost:9050
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```
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On Android
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@ -107,16 +107,16 @@ Connect to electrs
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Network > Proxy mode: socks5, Host: 127.0.0.1, Port: 9050
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Network > Auto-connect: OFF
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Network > One-server mode: ON
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Network > Server: <ELECTRS_ONION>:50001:t
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Network > Server: <electrs onion address>:t
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```
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Connect to nix-bitcoin node through ssh Tor Hidden Service
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Connect to nix-bitcoin node through the SSH onion service
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---
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1. Run `nodeinfo` on your nix-bitcoin node and note the `SSHD_ONION`
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1. Get the SSH onion address (excluding the port suffix)
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```
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nixops ssh operator@bitcoin-node
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nodeinfo | grep 'SSHD_ONION'
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nodeinfo | jq -r .sshd.onion_address | sed 's/:.*//'
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```
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2. Create a SSH key
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@ -131,14 +131,14 @@ Connect to nix-bitcoin node through ssh Tor Hidden Service
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# FIXME: Add your SSH pubkey
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services.openssh.enable = true;
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users.users.root = {
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openssh.authorizedKeys.keys = [ "[contents of ~/.ssh/id_ed25519.pub]" ];
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openssh.authorizedKeys.keys = [ "<contents of ~/.ssh/id_ed25519.pub>" ];
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};
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```
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4. Connect to your nix-bitcoin node's ssh Tor Hidden Service, forwarding a local port to the nix-bitcoin node's ssh server
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4. Connect to your nix-bitcoin node's SSH onion service, forwarding a local port to the nix-bitcoin node's SSH server
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```
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ssh -i ~/.ssh/id_ed25519 -L [random port of your choosing]:localhost:22 root@[your SSHD_ONION]
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ssh -i ~/.ssh/id_ed25519 -L <random port of your choosing>:localhost:22 root@<SSH onion address>
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```
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5. Edit your `network-nixos.nix` to look like this
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@ -148,12 +148,12 @@ Connect to nix-bitcoin node through ssh Tor Hidden Service
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bitcoin-node =
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{ config, pkgs, ... }:
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{ deployment.targetHost = "127.0.0.1";
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deployment.targetPort = [random port of your choosing];
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deployment.targetPort = <random port of your choosing>;
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};
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}
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```
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6. Now you can run `nixops deploy -d bitcoin-node` and it will connect through the ssh tunnel you established in step iv. This also allows you to do more complex ssh setups that `nixops ssh` doesn't support. An example would be authenticating with [Trezor's ssh agent](https://github.com/romanz/trezor-agent), which provides extra security.
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6. Now you can run `nixops deploy -d bitcoin-node` and it will connect through the SSH tunnel you established in step iv. This also allows you to do more complex SSH setups that `nixops ssh` doesn't support. An example would be authenticating with [Trezor's SSH agent](https://github.com/romanz/trezor-agent), which provides extra security.
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Initialize a Trezor for Bitcoin Core's Hardware Wallet Interface
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---
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@ -263,7 +263,7 @@ you. If however, you want to manually initialize your wallet, follow these steps
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## Run the tumbler
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The tumbler needs to be able to run in the background for a long time, use screen
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to run it accross ssh sessions. You can also use tmux in the same fashion.
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to run it accross SSH sessions. You can also use tmux in the same fashion.
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1. Add screen to your `environment.systemPackages`, for example
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@ -27,6 +27,7 @@ with lib;
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./onion-addresses.nix
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./onion-services.nix
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./netns-isolation.nix
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./nodeinfo.nix
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./backups.nix
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];
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@ -1,74 +1,117 @@
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{ config, lib, pkgs, ... }:
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with lib;
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let
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operatorName = config.nix-bitcoin.operator.name;
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cfg = config.nix-bitcoin.nodeinfo;
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# Services included in the output
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services = {
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bitcoind = mkInfo "";
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clightning = mkInfo ''
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info["nodeid"] = shell("lightning-cli getinfo | jq -r '.id'")
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if 'onion_address' in info:
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info["id"] = f"{info['nodeid']}@{info['onion_address']}"
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'';
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lnd = mkInfo ''
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info["nodeid"] = shell("lightning-cli getinfo | jq -r '.id'")
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'';
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electrs = mkInfo "";
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spark-wallet = mkInfo "";
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btcpayserver = mkInfo "";
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liquidd = mkInfo "";
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# Only add sshd when it has an onion service
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sshd = name: cfg: mkIfOnionPort "sshd" (onionPort: ''
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add_service("sshd", """set_onion_address(info, "sshd", ${onionPort})""")
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'');
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};
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script = pkgs.writeScriptBin "nodeinfo" ''
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set -eo pipefail
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#!${pkgs.python3}/bin/python
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BITCOIND_ONION="$(cat /var/lib/onion-addresses/${operatorName}/bitcoind)"
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echo BITCOIND_ONION="$BITCOIND_ONION"
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import json
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import subprocess
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from collections import OrderedDict
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if systemctl is-active --quiet clightning; then
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CLIGHTNING_NODEID=$(lightning-cli getinfo | jq -r '.id')
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CLIGHTNING_ONION="$(cat /var/lib/onion-addresses/${operatorName}/clightning)"
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CLIGHTNING_ID="$CLIGHTNING_NODEID@$CLIGHTNING_ONION:9735"
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echo CLIGHTNING_NODEID="$CLIGHTNING_NODEID"
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echo CLIGHTNING_ONION="$CLIGHTNING_ONION"
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echo CLIGHTNING_ID="$CLIGHTNING_ID"
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fi
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def success(*args):
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return subprocess.call(args, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL) == 0
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if systemctl is-active --quiet lnd; then
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LND_NODEID=$(lncli getinfo | jq -r '.uris[0]')
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echo LND_NODEID="$LND_NODEID"
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fi
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def is_active(unit):
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return success("systemctl", "is-active", "--quiet", unit)
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NGINX_ONION_FILE=/var/lib/onion-addresses/${operatorName}/nginx
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if [ -e "$NGINX_ONION_FILE" ]; then
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NGINX_ONION="$(cat $NGINX_ONION_FILE)"
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echo NGINX_ONION="$NGINX_ONION"
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fi
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def is_enabled(unit):
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return success("systemctl", "is-enabled", "--quiet", unit)
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LIQUIDD_ONION_FILE=/var/lib/onion-addresses/${operatorName}/liquidd
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if [ -e "$LIQUIDD_ONION_FILE" ]; then
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LIQUIDD_ONION="$(cat $LIQUIDD_ONION_FILE)"
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echo LIQUIDD_ONION="$LIQUIDD_ONION"
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fi
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def cmd(*args):
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return subprocess.run(args, stdout=subprocess.PIPE).stdout.decode('utf-8')
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SPARKWALLET_ONION_FILE=/var/lib/onion-addresses/${operatorName}/spark-wallet
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if [ -e "$SPARKWALLET_ONION_FILE" ]; then
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SPARKWALLET_ONION="$(cat $SPARKWALLET_ONION_FILE)"
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echo SPARKWALLET_ONION="http://$SPARKWALLET_ONION"
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fi
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def shell(*args):
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return cmd("bash", "-c", *args).strip()
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ELECTRS_ONION_FILE=/var/lib/onion-addresses/${operatorName}/electrs
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if [ -e "$ELECTRS_ONION_FILE" ]; then
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ELECTRS_ONION="$(cat $ELECTRS_ONION_FILE)"
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echo ELECTRS_ONION="$ELECTRS_ONION"
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fi
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infos = OrderedDict()
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operator = "${config.nix-bitcoin.operator.name}"
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BTCPAYSERVER_ONION_FILE=/var/lib/onion-addresses/${operatorName}/btcpayserver
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if [ -e "$BTCPAYSERVER_ONION_FILE" ]; then
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BTCPAYSERVER_ONION="$(cat $BTCPAYSERVER_ONION_FILE)"
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echo BTCPAYSERVER_ONION="$BTCPAYSERVER_ONION"
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fi
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def set_onion_address(info, name, port):
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path = f"/var/lib/onion-addresses/{operator}/{name}"
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try:
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with open(path, "r") as f:
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onion_address = f.read().strip()
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except OSError:
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print(f"error reading file {path}", file=sys.stderr)
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return
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info["onion_address"] = f"{onion_address}:{port}"
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SSHD_ONION_FILE=/var/lib/onion-addresses/${operatorName}/sshd
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if [ -e "$SSHD_ONION_FILE" ]; then
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SSHD_ONION="$(cat $SSHD_ONION_FILE)"
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echo SSHD_ONION="$SSHD_ONION"
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fi
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def add_service(service, make_info):
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if not is_active(service):
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infos[service] = "service is not running"
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else:
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info = OrderedDict()
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exec(make_info, globals(), locals())
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infos[service] = info
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if is_enabled("onion-adresses") and not is_active("onion-adresses"):
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print("error: service 'onion-adresses' is not running")
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exit(1)
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${concatStrings infos}
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print(json.dumps(infos, indent=2))
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'';
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infos = map (service:
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let cfg = config.services.${service};
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in optionalString cfg.enable (services.${service} service cfg)
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) (builtins.attrNames services);
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mkInfo = extraCode: name: cfg:
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''
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add_service("${name}", """
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info["local_address"] = "${cfg.address}:${toString cfg.port}"
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'' + mkIfOnionPort name (onionPort: ''
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set_onion_address(info, "${name}", ${onionPort})
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'') + extraCode + ''
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""")
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'';
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mkIfOnionPort = name: fn:
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if hiddenServices ? ${name} then
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fn (toString (builtins.elemAt hiddenServices.${name}.map 0).port)
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else
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"";
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inherit (config.services.tor) hiddenServices;
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in {
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options = {
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programs.nodeinfo = mkOption {
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readOnly = true;
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default = script;
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nix-bitcoin.nodeinfo = {
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enable = mkEnableOption "nodeinfo";
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program = mkOption {
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readOnly = true;
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default = script;
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};
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};
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};
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config = {
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environment.systemPackages = [ script ];
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environment.systemPackages = optional cfg.enable script;
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};
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}
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@ -14,7 +14,6 @@ let
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in {
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imports = [
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../modules.nix
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../nodeinfo.nix
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./enable-tor.nix
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];
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@ -75,5 +74,7 @@ in {
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cp "${config.users.users.root.home}/.vbox-nixops-client-key" "${config.users.users.${operatorName}.home}"
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'';
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};
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nix-bitcoin.nodeinfo.enable = true;
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};
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}
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@ -68,6 +68,8 @@ let testEnv = rec {
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'';
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};
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tests.nodeinfo = config.nix-bitcoin.nodeinfo.enable;
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tests.backups = cfg.backups.enable;
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# To test that unused secrets are made inaccessible by 'setup-secrets'
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@ -119,6 +121,8 @@ let testEnv = rec {
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services.joinmarket.enable = true;
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services.backups.enable = true;
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nix-bitcoin.nodeinfo.enable = true;
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services.hardware-wallets = {
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trezor = true;
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ledger = true;
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@ -216,6 +216,16 @@ def _():
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)
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@test("nodeinfo")
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def _():
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status, _ = machine.execute("systemctl is-enabled --quiet onion-addresses 2> /dev/null")
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if status == 0:
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machine.wait_for_unit("onion-addresses")
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json_info = succeed("sudo -u operator nodeinfo")
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info = json.loads(json_info)
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assert info["bitcoind"]["local_address"]
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@test("secure-node")
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def _():
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assert_running("onion-addresses")
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