roller-rpc: add %hash-transaction
hysterical raisins, deprecated in newer version of roller-api
%prepare-for-signing `(hash-transaction id +.params chain:scry | &)
%get-unsigned-tx `(hash-transaction id +.params chain:scry & |)
%get-predicted-state `(get-naive id +.params predicted:scry)
+ :: TODO: deprecated, remove]
+ ::
+ %hash-transaction `(hash-transaction id +.params chain:scry & |)
==
--
::
