Playing around with 2.0. This throws:

(def node (xt.node/start-node {}))

(xt/submit-tx node
              [#_[:put :blocks {:xt/id 1 :text "foo" :status 1}]
               [:put :blocks {:xt/id 1 :text "foo" :status :todo}]])

(xt/q node
      '{:find [xt/*]
        :where [($ :blocks [xt/*])]})
;; =>
; Execution error (IllegalArgumentException) at xt$eval33447$fn$reify__33449/readObject (REPL:57).
; No matching clause: status