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Releases

lens@0.3.0

Minor Changes

• 81d8e59: Add seller-side Bazaar discovery helpers (src/bazaar/declare.ts): param.*
  constructors that make per-parameter descriptions a required positional
  argument, declareHttpResource / declareMcpTool builders that assemble the
  extensions.bazaar declaration and its JSON Schema, and
  validateDeclaration / assertDeclaration which run the catalog's own
  validateListing plus seller-side metadata-quality rules so malformed listings
  fail at development time rather than in production. Lens's own gated routes
  (/price, /candles, /pools, /price/twap, and the MCP price tool) are
  declared with them in src/bazaar/lensListings.ts.
• 059ca5a: Add a priceUpdated(pair: String!, network: String) GraphQL subscription that streams live prices over the existing /graphql endpoint (graphql-transport-ws protocol). Every ingester (SDEX, Horizon AMM, Soroswap) publishes { pair, price, ts, network } on each new price; subscribers receive only the pair they request. network is optional and narrows the stream to one chain — omitting it delivers every enabled network, which is only safe if the subscriber reads the network field on each message, since a dual-network deployment otherwise interleaves two chains' prices for the same pair.

Patch Changes

• e091749: Partition the aggregation layer by network. Every function in
  src/aggregator/vwap.ts now takes a required network and filters
  price_points/pool_snapshots on it, and getAMMPrice filters both the
  pool_snapshots scan and the pool_id subquery. Previously an unfiltered read
  returned a volume-weighted blend of both chains' rows for a pair key that
  exists on both, so /price/:a/:b answered with a number nobody traded at and
  stamped it "network":"mainnet".

  /price/:assetA/:assetB passes req.network through to the aggregator, so the
  network field in the response is the one the numbers came from. The aggregate
  refresh worker now runs once per enabled network — its own queue name, its own
  pair list, and price_aggregates upserts stamped with its network — where it
  previously pinned all three to STELLAR_NETWORK, leaving the second network's
  /price/*/history and /screener permanently empty. The Redis price key it
  writes is network-prefixed, matching what the REST route reads.

• 7ba1f47: Preserve TWAP timestamp alignment when outlier prices are rejected.

• d546b0b: GET /prices/history now honours ?network= / x-network instead of always
  querying the deployment's default network, and echoes the resolved network
  in the response. queryHistory() takes network as a parameter.

• 5ef1591: Add a network label to the four ingest metrics — trades_ingested_total,
  amm_snapshots_total, price_snapshots_total and last_trade_timestamp — so a
  dual-network deployment (ENABLED_NETWORKS=testnet,mainnet) reports each
  network separately instead of folding them together.

  last_trade_timestamp is the one that mattered: it is a gauge, so the testnet
  ingester's set() was overwriting mainnet's value for the same pair every poll
  interval, making Lens's only staleness signal silently unusable — it still
  looked like a plausible timestamp. The counters were less broken but equally
  unqueryable per network, since the two loops summed into one series.

  Cardinality is unchanged in character: pairs x networks (plus pools on
  amm_snapshots_total), all bounded by WATCHED_PAIRS and ENABLED_NETWORKS.
  No issuer or pool label was added. Existing queries that did not filter by
  network keep working and now return one series per network instead of a
  merged one, so a recording rule that aggregated across networks before will see
  one additional series per pair.

  Documented in docs/ingest-metrics.md.

• 3c43cfe: Fix network-blind webhooks and price tracking across SDEX, Horizon AMM, Soroswap, and Aquarius ingesters:

  • Key module-level lastPrice maps by (network, pairKey) so price ticks on one chain do not supply the previous price for another chain.
  • Dispatch webhook price updates for the network the event originated from rather than falling back to the process active network.
  • Allow specifying network on webhook subscription (POST /webhooks) with validation.

• 2ea353b: Document the full public route surface in openapi.yaml (params, the shared
  ?network= query, and response schemas) and add tests/openapi.test.ts, which
  boots the app, enumerates every registered route and fails when a non-internal
  route is missing from the spec. Operator-only and non-HTTP routes are excluded
  through an explicit, commented allow-list in src/openapi/coverage.ts. The
  generator is now importable and deterministic, and a test asserts the committed
  openapi.json matches it.

• 7ecd06d: GET /pairs and GET /pools no longer scan the whole history of every network
  on each request. Both now filter by network (req.network, default the active
  network) and read one index entry per pair / pool, so cost no longer grows with
  table size. Response shape is unchanged. A pair or pool that has gone quiet is
  still listed with its real last-update timestamp (it is never dropped).

• 2c9d8a4: Snapshot retention now prunes price_snapshots for every network in
  ENABLED_NETWORKS, not just the active one, so the second network of a
  dual-network process no longer grows unbounded. The startup prune, the BullMQ
  worker and the in-process fallback timer all use the new pruneAllNetworks(),
  and the pruned row count is logged per network. pruneOldSnapshots() gains an
  optional network argument (defaulting to the active network).

• 9abd1f0: /screener no longer reports market_cap. It was a copy of liquidity under another name, so sorting or filtering by market cap silently sorted or filtered liquidity. Lens has no circulating-supply data to compute a real one, so the field is removed from the response and the sort allowlist, and ?market_cap= and ?sortBy=market_cap now return a 400 instead of being ignored. The three CTEs behind /screener are also now scoped to one network (?network= / x-network, defaulting to the active network) instead of pooling testnet and mainnet rows.

• d53ac14: Fix slippagePct on /price/:a/:b/route, which was always exactly 0 because
  the execution price was compared with itself. It is now the shortfall of the
  execution price against the AMM reserve-ratio spot price, so it grows with
  order size against a fixed pool. Route selection and estimatedOutput are
  unchanged. Slippage is only reported for an AMM route; SDEX and SPLIT routes
  (and pairs with no AMM pool) have no size-independent spot reference, so the
  value stays 0 rather than reporting a cross-venue spread as slippage.

• 61c1854: Fix GET /status: scope indexer_state to the requested network (?network=
  / x-network, defaulting to STELLAR_NETWORK) instead of returning whichever
  chain wrote most recently, and report the answering network and its watched
  pairs in the response.

  The SDEX and AMM ingesters now derive each trade's ledger from the TOID prefix
  of its Horizon id — Horizon sends no ledger field on a trade — so price points
  carry a real ledger again and lastIndexedLedger is no longer permanently null.
  A malformed id falls back to the last stored ledger, and the batch is deferred
  if no ledger can be established. A new ingestLagSeconds field surfaces a
  stalled ingester without Prometheus.

• 29e834a: Config now validates every Soroban contract id it hands out (Soroswap factory,
  Reflector oracle) with StrKey.isValidContract. A malformed id no longer boots
  the feature "enabled" and fails on every RPC call: it logs a warning naming the
  env var and disables that feature on that network. Two built-in defaults were
  55 characters and therefore invalid; the testnet Soroswap factory default is
  replaced with the address from Soroswap's published testnet deployment, and the
  mainnet Reflector default is removed, so the oracle stays off until
  REFLECTOR_CONTRACT_ID_MAINNET is set. .env.example and the deploy docs are
  updated.

• 789b054: GET /volumes/:asset now filters price_points by network instead of summing
  testnet and mainnet volume together. It accepts ?network=testnet|mainnet
  (default: the active network), returns 400 for any other value, and echoes the
  resolved network in the response body.

• dca5ff3: Add docs/x402-conformance.md: a conformance baseline for the public x402.org
  facilitator on stellar:testnet, established by settling a real payment through
  it with an unmodified @stellar/stellar-sdk client and feeding it deliberately
  bad input. Records /supported verbatim, a settled transaction hash, a
  reason-per-rejection table, and five divergences between the reference
  implementation's advertised and actual behaviour. This is the baseline the Lens
  facilitator (x402 facilitator: implement GET /supported #124, x402 facilitator: implement POST /verify (including __check_auth contract accounts) #125, x402 facilitator: implement POST /settle (design note first) #126) is measured against.