Tracker endpoints (Transaction Monitoring Lifecycle API)

[arnaubennassar]

• implemented on the proxy]
  /track/tx/{tx hash, net id}
  TBD

/track/bridge/{GI}
--> parse GI --> net ID, dep count
-- query origin --> LER, settled? (GER), cert WIP?
-- query dest (GER, GI) --> injected? is claimed?
-- claimerS/status --> {claimed? will not claim}
- configure multiple claimers per network
- ETA claim automatic?