nix-bitcoin/test/tests.py

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from collections import OrderedDict
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import json
def succeed(*cmds):
"""Returns the concatenated output of all cmds"""
return machine.succeed(*cmds)
def assert_matches(cmd, regexp):
out = succeed(cmd)
if not re.search(regexp, out):
raise Exception(f"Pattern '{regexp}' not found in '{out}'")
def assert_full_match(cmd, regexp):
out = succeed(cmd)
if not re.fullmatch(regexp, out):
raise Exception(f"Pattern '{regexp}' doesn't match '{out}'")
def log_has_string(unit, str):
return f"journalctl -b --output=cat -u {unit} --grep='{str}'"
def assert_no_failure(unit):
"""Unit should not have failed since the system is running"""
machine.fail(log_has_string(unit, "Failed with result"))
def assert_running(unit):
with machine.nested(f"waiting for unit: {unit}"):
machine.wait_for_unit(unit)
assert_no_failure(unit)
def wait_for_open_port(address, port):
def is_port_open(_):
status, _ = machine.execute(f"nc -z {address} {port}")
return status == 0
with log.nested(f"Waiting for TCP port {address}:{port}"):
retry(is_port_open)
### Test runner
tests = OrderedDict()
def test(name):
def x(fn):
tests[name] = fn
return x
def run_tests():
enabled = enabled_tests.copy()
to_run = []
for test in tests:
if test in enabled:
enabled.remove(test)
to_run.append(test)
if enabled:
raise RuntimeError(f"The following tests are enabled but not defined: {enabled}")
machine.connect() # Visually separate boot output from the test output
for test in to_run:
with log.nested(f"test: {test}"):
tests[test]()
def run_test(test):
tests[test]()
### Tests
# All tests are executed in the order they are defined here
@test("security")
def _():
assert_running("setup-secrets")
# Unused secrets should be inaccessible
succeed('[[ $(stat -c "%U:%G %a" /secrets/dummy) = "root:root 440" ]]')
if "secure-node" in enabled_tests:
# Access to '/proc' should be restricted
machine.succeed("grep -Fq hidepid=2 /proc/mounts")
machine.wait_for_unit("bitcoind")
# `systemctl status` run by unprivileged users shouldn't leak cgroup info
assert_matches(
"runuser -u electrs -- systemctl status bitcoind 2>&1 >/dev/null",
"Failed to dump process list for 'bitcoind.service', ignoring: Access denied",
)
# The 'operator' with group 'proc' has full access
assert_full_match("runuser -u operator -- systemctl status bitcoind 2>&1 >/dev/null", "")
@test("bitcoind")
def _():
assert_running("bitcoind")
machine.wait_until_succeeds("bitcoin-cli getnetworkinfo")
assert_matches("runuser -u operator -- bitcoin-cli getnetworkinfo | jq", '"version"')
regtest = "regtest/" if "regtest" in enabled_tests else ""
assert_full_match(f"stat -c '%a' /var/lib/bitcoind/{regtest}.cookie", "640\n")
# RPC access for user 'public' should be restricted
machine.fail(
"bitcoin-cli -rpcuser=public -rpcpassword=$(cat /secrets/bitcoin-rpcpassword-public) stop"
)
machine.wait_until_succeeds(
log_has_string("bitcoind", "RPC User public not allowed to call method stop")
)
@test("electrs")
def _():
assert_running("electrs")
wait_for_open_port(ip("electrs"), 4224) # prometeus metrics provider
# Check RPC connection to bitcoind
machine.wait_until_succeeds(log_has_string("electrs", "NetworkInfo"))
# Impure: Stops electrs
# Stop electrs from spamming the test log with 'WARN - wait until IBD is over' messages
@test("stop-electrs")
def _():
succeed("systemctl stop electrs")
@test("liquidd")
def _():
assert_running("liquidd")
machine.wait_until_succeeds("elements-cli getnetworkinfo")
assert_matches("runuser -u operator -- elements-cli getnetworkinfo | jq", '"version"')
succeed("runuser -u operator -- liquidswap-cli --help")
@test("clightning")
def _():
assert_running("clightning")
assert_matches("runuser -u operator -- lightning-cli getinfo | jq", '"id"')
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if test_data["clightning-plugins"]:
plugin_list = succeed("lightning-cli plugin list")
plugins = json.loads(plugin_list)["plugins"]
active = set(plugin["name"] for plugin in plugins if plugin["active"])
failed = set(test_data["clightning-plugins"]).difference(active)
if failed:
raise Exception(
f"The following clightning plugins are inactive:\n{failed}.\n\n"
f"Output of 'lightning-cli plugin list':\n{plugin_list}"
)
else:
log.log("Active clightning plugins:")
for p in test_data["clightning-plugins"]:
log.log(os.path.basename(p))
@test("lnd")
def _():
assert_running("lnd")
assert_matches("runuser -u operator -- lncli getinfo | jq", '"version"')
assert_no_failure("lnd")
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@test("lnd-rest-onion-service")
def _():
assert_matches("runuser -u operator -- lndconnect-rest-onion -j", ".onion")
@test("lightning-loop")
def _():
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assert_running("lightning-loop")
assert_matches("runuser -u operator -- loop --version", "version")
# Check that lightning-loop fails with the right error, making sure
# lightning-loop can connect to lnd
machine.wait_until_succeeds(
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log_has_string(
"lightning-loop",
"Waiting for lnd to be fully synced to its chain backend, this might take a while",
)
)
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@test("lightning-pool")
def _():
assert_running("lightning-pool")
assert_matches("su operator -c 'pool --version'", "version")
# Check that lightning-pool fails with the right error, making sure
# lightning-pool can connect to lnd
machine.wait_until_succeeds(
log_has_string(
"lightning-pool",
"Waiting for lnd to be fully synced to its chain backend, this might take a while",
)
)
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@test("charge-lnd")
def _():
# charge-lnd is a oneshot service that is started by a timer under regular operation
succeed("systemctl start charge-lnd")
assert_no_failure("charge-lnd")
@test("btcpayserver")
def _():
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assert_running("nbxplorer")
machine.wait_until_succeeds(log_has_string("nbxplorer", "BTC: RPC connection successful"))
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machine.wait_until_succeeds(log_has_string("nbxplorer", "LBTC: RPC connection successful"))
wait_for_open_port(ip("nbxplorer"), 24444)
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assert_running("btcpayserver")
machine.wait_until_succeeds(log_has_string("btcpayserver", "Listening on"))
wait_for_open_port(ip("btcpayserver"), 23000)
# test lnd custom macaroon
assert_matches(
"runuser -u btcpayserver -- curl -s --cacert /secrets/lnd-cert "
'--header "Grpc-Metadata-macaroon: $(xxd -ps -u -c 1000 /run/lnd/btcpayserver.macaroon)" '
f"-X GET https://{ip('lnd')}:8080/v1/getinfo | jq",
'"version"',
)
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@test("spark-wallet")
def _():
assert_running("spark-wallet")
wait_for_open_port(ip("spark-wallet"), 9737)
spark_auth = re.search("login=(.*)", succeed("cat /secrets/spark-wallet-login"))[1]
assert_matches(f"curl -s {spark_auth}@{ip('spark-wallet')}:9737", "Spark")
@test("joinmarket")
def _():
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assert_running("joinmarket")
machine.wait_until_succeeds(
log_has_string("joinmarket", "JMDaemonServerProtocolFactory starting on 27183")
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)
@test("joinmarket-yieldgenerator")
def _():
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machine.wait_until_succeeds(
log_has_string("joinmarket-yieldgenerator", "Critical error updating blockheight.",)
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)
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@test("joinmarket-ob-watcher")
def _():
assert_running("joinmarket-ob-watcher")
machine.wait_until_succeeds(log_has_string("joinmarket-ob-watcher", "Starting ob-watcher"))
@test("nodeinfo")
def _():
status, _ = machine.execute("systemctl is-enabled --quiet onion-addresses 2> /dev/null")
if status == 0:
machine.wait_for_unit("onion-addresses")
json_info = succeed("runuser -u operator -- nodeinfo")
info = json.loads(json_info)
assert info["bitcoind"]["local_address"]
@test("secure-node")
def _():
assert_running("onion-addresses")
# Run this test before the following tests that shut down services
# (and their corresponding network namespaces).
@test("netns-isolation")
def _():
def get_ips(services):
enabled = enabled_tests.intersection(services)
return " ".join(ip(service) for service in enabled)
def assert_reachable(src, dests):
dest_ips = get_ips(dests)
if src in enabled_tests and dest_ips:
machine.succeed(f"ip netns exec nb-{src} fping -c1 -t100 {dest_ips}")
def assert_unreachable(src, dests):
dest_ips = get_ips(dests)
if src in enabled_tests and dest_ips:
machine.fail(
# This fails when no host is reachable within 100 ms
f"ip netns exec nb-{src} fping -c1 -t100 --reachable=1 {dest_ips}"
)
# These reachability tests are non-exhaustive
assert_reachable("bitcoind", ["clightning", "lnd", "liquidd"])
assert_unreachable("bitcoind", ["btcpayserver", "spark-wallet", "lightning-loop"])
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assert_unreachable("btcpayserver", ["bitcoind", "lightning-loop"])
# netns addresses can not be bound to in the main netns.
# This prevents processes in the main netns from impersonating nix-bitcoin services.
assert_matches(
f"nc -l {ip('bitcoind')} 1080 2>&1 || true", "nc: Cannot assign requested address"
)
if "joinmarket" in enabled_tests:
# netns-exec should drop capabilities
assert_full_match(
"runuser -u operator -- netns-exec nb-joinmarket capsh --print | grep Current",
"Current: =\n",
)
if "clightning" in enabled_tests:
# netns-exec should fail for unauthorized namespaces
machine.fail("netns-exec nb-clightning ip a")
# netns-exec should only be executable by the operator user
machine.fail("runuser -u clightning -- netns-exec nb-bitcoind ip a")
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# Impure: stops bitcoind (and dependent services)
@test("backups")
def _():
# For testing that bitcoind wallets are backed up
succeed("bitcoin-cli -named createwallet wallet_name=test blank=true >/dev/null")
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succeed("systemctl stop bitcoind")
succeed("systemctl start duplicity")
machine.wait_until_succeeds(log_has_string("duplicity", "duplicity.service: Succeeded."))
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run_duplicity = "export $(cat /secrets/backup-encryption-env); duplicity"
# Files in backup and /var/lib should be identical
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assert_matches(
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f"{run_duplicity} verify --archive-dir /var/lib/duplicity file:///var/lib/localBackups /var/lib",
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"0 differences found",
)
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# Backup should include important files
files = {
"bitcoind": "var/lib/bitcoind/test/wallet.dat",
"clightning": "var/lib/clightning/bitcoin/hsm_secret",
"lnd": "var/lib/lnd/lnd-seed-mnemonic",
"joinmarket": "var/lib/joinmarket/jm-wallet-seed",
"btcpayserver": "var/backup/postgresql/btcpaydb.sql.gz",
}
actual_files = succeed(f"{run_duplicity} list-current-files file:///var/lib/localBackups")
def assert_file_exists(file):
if file not in actual_files:
raise Exception(f"Backup file '{file}' is missing.")
for test, file in files.items():
if test in enabled_tests:
assert_file_exists(file)
assert_file_exists("secrets/lnd-wallet-password")
# Impure: restarts services
@test("banlist-and-restart")
def _():
machine.wait_until_succeeds(log_has_string("bitcoind-import-banlist", "Importing node banlist"))
assert_no_failure("bitcoind-import-banlist")
# Current time in µs
pre_restart = succeed("date +%s.%6N").rstrip()
# Sanity-check system by restarting bitcoind.
# This also restarts all services depending on bitcoind.
succeed("systemctl restart bitcoind")
# Now that the bitcoind restart triggered a banlist import restart, check that
# re-importing already banned addresses works
machine.wait_until_succeeds(
log_has_string(f"bitcoind-import-banlist --since=@{pre_restart}", "Importing node banlist")
)
assert_no_failure("bitcoind-import-banlist")
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@test("regtest")
def _():
def enabled(unit):
if unit in enabled_tests:
# Wait because the unit might have been restarted in the preceding
# 'banlist-and-restart' test
machine.wait_for_unit(unit)
return True
else:
return False
if enabled("electrs"):
machine.wait_for_unit("onion-addresses")
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machine.wait_until_succeeds(log_has_string("electrs", "BlockchainInfo"))
get_block_height_cmd = (
"""echo '{"method": "blockchain.headers.subscribe", "id": 0, "params": []}'"""
f" | nc -N {ip('electrs')} 50001 | jq -M .result.height"
)
assert_full_match(get_block_height_cmd, "10\n")
if enabled("clightning"):
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machine.wait_until_succeeds(
"[[ $(runuser -u operator -- lightning-cli getinfo | jq -M .blockheight) == 10 ]]"
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)
if enabled("lnd"):
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machine.wait_until_succeeds(
"[[ $(runuser -u operator -- lncli getinfo | jq -M .block_height) == 10 ]]"
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)
if enabled("lightning-loop"):
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machine.wait_until_succeeds(
log_has_string("lightning-loop", "Starting event loop at height 10")
)
succeed("runuser -u operator -- loop getparams")
if enabled("lightning-pool"):
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machine.wait_until_succeeds(
log_has_string("lightning-pool", "lnd is now fully synced to its chain backend")
)
succeed("runuser -u operator -- pool orders list")
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if "netns-isolation" in enabled_tests:
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def ip(name):
return test_data["netns"][name]["address"]
else:
def ip(_):
return "127.0.0.1"