Transaction.hs: reduce boilerplate and move towards ShelleyBasedEra#783

Merged

smelc merged 1 commit intomainfrom smelc/reduce-boilerplate-modernize-TxValidationErrors

Jun 18, 2024

+80-228

Commits on Jun 18, 2024

Remove a number of error types, replace by a generic error with one custom Text message instead.
smelc
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