Cardano Updates

This will allow chain observers to use these valueu directly without
further conversion to 'OnChainTx'. The latter will be the hydra-node
specific type which contains already converted time fields.

The change here is incomplete as HeadObservation is missing several
instances and breaks the explorer API.

This was helpful during debugging (until we have a proper GET /deposits).

This will mark the creation of the deposit.

This will allow chain observers to use these valueu directly without
further conversion to 'OnChainTx'. The latter will be the hydra-node
specific type which contains already converted time fields.

The change here is incomplete as HeadObservation is missing several
instances and breaks the explorer API.

This will mark the creation of the deposit.

By adding Enum, Num and Integral instances we can easily create, compute
and convert contestation periods. The same pitfalls as with Natural do
exist.

This also moves the specs to the hydra-tx package (where the data type is).

This is now using the default period unless overridden.

It's only used there, so no point in keeping it in hydra-tx

This parameter is used to set the deadline, but also to check whether
deposits are still active.

We are not testing deposits in particular there.

It's only used there, so no point in keeping it in hydra-tx

I unified function to create outputs which resolved the problem with
await. Need to refactor some more in order to get the same api for
creating inputs too (there are two ways right now).

Signed-off-by: Sasha Bogicevic <[email protected]>

This will be needed to determine when a deposit was placed.

This will mark the creation of the deposit.

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