78 lines
3.3 KiB
Bash
78 lines
3.3 KiB
Bash
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#!/usr/bin/env bats
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# tests/lifecycle/bats/lnd-api-compat.bats
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#
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# Regression guard for the 2026-09-01 fleet breakage: LND 0.21 REMOVED the
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# deprecated Lightning.SendPaymentSync REST route (`/v1/channels/transactions`)
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# that the backend paid through — every Lightning send answered the literal
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# HTTP 404 "Not Found" and the wallet UI showed "Payment failed: Not Found".
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# The backend now pays via Router.SendPaymentV2 (`/v2/router/send`).
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#
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# This test does not send sats. It POSTs a deliberately-invalid invoice to the
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# v2 route on the RUNNING LND and asserts the route itself answers: a
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# 400/500 "cannot parse" proves the endpoint exists; a 404 means the pinned
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# image no longer serves the route the backend calls — the exact image/backend
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# skew that shipped silently last time because no gate test ever spoke the
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# payment endpoint.
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#
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# Tiers: read-only (invalid payment request; nothing is sent).
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#
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# Runs on the archy host (sudo for the macaroon, curl to localhost).
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LND_MAINNET_DIR="/var/lib/archipelago/lnd/data/chain/bitcoin/mainnet"
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_lnd_rest_host_port() {
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local mf
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for mf in \
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"${ARCHIPELAGO_APPS_DIR:-/opt/archipelago/apps}/lnd/manifest.yml" \
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"${ARCHIPELAGO_APPS_DIR:-/opt/archipelago/apps}/lnd/manifest.yaml" \
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"$BATS_TEST_DIRNAME/../../../apps/lnd/manifest.yml"; do
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[[ -r "$mf" ]] || continue
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awk '
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/- host:/ { host=$3 }
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/container:/ { if ($2 == 8080 && host != "") { print host; exit } }
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' "$mf"
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return 0
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done
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}
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@test "running LND serves /v2/router/send (the route the backend pays through)" {
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if ! podman ps --format '{{.Names}}' 2>/dev/null | grep -qx lnd; then
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skip "lnd not running"
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fi
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local port
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port=$(_lnd_rest_host_port)
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[[ -n "$port" ]] || skip "could not resolve LND REST host port from manifest"
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local mac
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mac=$(sudo cat "$LND_MAINNET_DIR/admin.macaroon" 2>/dev/null | od -An -tx1 -v | tr -d " \n")
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[[ -n "$mac" ]] || skip "LND admin macaroon not readable (LND installed but wallet not initialized?)"
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local code body
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body=$(mktemp)
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code=$(curl -sk -o "$body" -w '%{http_code}' --max-time 10 -X POST \
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-H "Grpc-Metadata-macaroon: $mac" \
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-H 'Content-Type: application/json' \
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--data '{"payment_request":"lnbc1notarealinvoice","timeout_seconds":5,"no_inflight_updates":true}' \
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"https://127.0.0.1:${port}/v2/router/send" || echo 000)
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rm -f "$body"
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# 000 = LND REST unreachable at all — that is port-drift's failure class
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# (port-drift.bats), but it also breaks payments, so fail loudly here too.
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if [[ "$code" == "000" ]]; then
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fail "LND REST not reachable on ${port} — payments cannot be sent at all"
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fi
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if [[ "$code" == "404" ]]; then
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fail "running LND does not serve /v2/router/send (HTTP 404) — the backend's payment route is gone; every Lightning send fails 'Not Found'"
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fi
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}
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@test "backend no longer references the removed /v1/channels/transactions route" {
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# Source-level guard: the removed route must not creep back into the
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# payment path (the runtime fix is in api/rpc/lnd/payments.rs).
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local src="$BATS_TEST_DIRNAME/../../../core/archipelago/src/api/rpc/lnd/payments.rs"
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[[ -r "$src" ]] || skip "source tree not present"
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if grep -q 'v1/channels/transactions' "$src"; then
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fail "payments.rs references /v1/channels/transactions — removed in LND 0.21, answers 404"
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fi
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}
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