add `/cursor/latest` as plain/text

[DenisCarriere]

Use case

Allows Webhook sinks to connect directly to WebSocket sink's latest cursor endpoint

Params

• chain
• module_hash

SQL Statement

SELECT latest_cursor
FROM module_hashes
WHERE chain = '${chain}' AND module_hash = '${moduleHash}'
LIMIT 1

Endpoint /cursor/latest

• status 200: returns cursor as plain/text
• status 400: bad request

Reference

https://github.com/pinax-network/substreams-sink/releases/tag/v0.13.4

Simple HTTP text response

n-5SB30M-16YouthlRFszqWwLpcyB1JpXQPsLRNL1...

Reference

• https://github.com/pinax-network/substreams-sink-clickhouse/blob/main/src/fetch/cursor.ts#L7-L34