aqua-playground/aqua/examples/tryCatch.aqua

import "@fluencelabs/aqua-lib/builtin.aqua"

service Unexisted("unex"):
  getStr() -> string

data LastError:
  instruction: string
  message: string
  peer_id: string

service OpA("op"):
  identity(s: string) -> string

func tryCatchTest(node_id: string) -> []string:
    on node_id:
        f: *string
        try:
          f <- Unexisted.getStr()
        catch err:
          c: *string
          f <- OpA.identity(err.message)
          -- check if the call takes place on the node
          i <- Peer.identify()
          f <- OpA.identity(i.external_addresses!)
    <- f