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Stub out Sled trees for zebra-client / blockchain scanning state 

Co-authored-by: Henry de Valence <hdevalence@hdevalence.ca>
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Deirdre Connolly 2020-10-26 16:56:21 -04:00 committed by Deirdre Connolly
parent 31421b55d3
commit 32ed09262d
1 changed files with 14 additions and 3 deletions
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book/src/dev/rfcs/0009-zebra-client.md
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@ -149,10 +149,21 @@ blocks to other peers, as they are validated.
## Online client component ## Online client component
This component maintains its own sled tree. See RFC#0005 This component maintains its own Sled tree. See RFC#0005 for more details on Sled.
``` We use the following Sled trees:
```
| Tree | Keys | Values |
|-----------------------|-----------------------|-------------------------------------|
| `viewing_keys` | `IncomingViewingKey` | `String` |
| `height_by_key` | `IncomingViewingKey` | `BE32(height)` |
| `received_set_by_key` | `IncomingViewingKey` | ? |
| `spend_set_by_key` | `IncomingViewingKey` | ? |
| `nullifier_map_by_key`| `IncomingViewingKey` | ? |
See https://zips.z.cash/protocol/protocol.pdf#saplingscan
Zcash structures are encoded using `ZcashSerialize`/`ZcashDeserialize`.
This component runs inside zebrad. After incoming viewing keys are registered, This component runs inside zebrad. After incoming viewing keys are registered,
it holds onto them in order to do blockchain scanning. The component keeps track it holds onto them in order to do blockchain scanning. The component keeps track