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Describe interaction changes when importing a seed

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Jack Grigg 2018-10-27 15:20:49 +13:00 committed by Daira Hopwood
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zip-XXX-light-payment-detection.rst
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@ -391,7 +391,19 @@ some time later.
- Scans for any relevant transactions for addresses generated since ``Y`` was fetched.
These are handled as in phase B.
[TODO: Describe differences when importing a pre-existing wallet seed.]
Importing a pre-existing seed
`````````````````````````````
Phase A of the interaction assumes that shielded addresses created by the light client
will have never been used before. This is not a valid assumption if the light client is
being initialised with a seed that it did not generate (e.g. a previously backed-up seed).
In this case, phase A is modified as follows:
**Phase A:** The light client starts up for the first time.
- The light client sets ``X`` to the block height at which Sapling activated.
- Shielded addresses created by any light client cannot have any relevant transactions
prior to Sapling activation.
Block privacy via bucketing
---------------------------