dominicrume/cantor8_kya_rails: step-0-refusal/test/daml/ShardedTest.daml

Daml contract source - dominicrume/cantor8_kya_rails/step-0-refusal/test/daml/ShardedTest.daml ```daml -- Sharded journals. Test 1 is the whole point: it demonstrates the -- serialisation PREDGE named on forum 9114, and then demonstrates it gone. -- Everything after it checks that nothing was traded