Display H256
instances in events as hex encoded string
#550
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Following #547, instances of
H256
in events are displayed as raw byte arrays. Like so (see Code::Stored::code_hash):.
This PR introduces a customer decoder for
H256
instances which displays it as a hex encoded string instead:In doing this I have split the custom type transcoders into separate encoders and decoders so that a type can have only one or both.