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Update differences between Whisper and Waku (#69)

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* Update differences between Whisper and Waku

* Only allow list of envelopes in P2P Message packet
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kdeme 2019-12-09 01:56:22 -08:00 committed by GitHub
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@ -365,7 +365,7 @@ The envelope MUST be signed with a symmetric key agreed between the requester an
#### Receiving historic messages
Historic messages MUST be sent to a peer as a packet with a P2P Message code (`0x7f`) followed by an array of Waku envelopes. It is incompatible with the original Whisper spec (EIP-627) because it allows only a single envelope, however, an array of envelopes is much more performant. In order to stay compatible with EIP-627, a peer receiving historic message MUST handle both cases.
Historic messages MUST be sent to a peer as a packet with a P2P Message code (`0x7f`) followed by an array of Waku envelopes.
In order to receive historic messages from a mailserver, a node MUST trust the selected mailserver, that is allow to receive expired packets with the P2P Message code. By default, such packets are discarded.
@ -523,9 +523,13 @@ Features considered for waku/1:
Summary of main differences between this spec and Whisper v6, as described in [EIP-627](https://eips.ethereum.org/EIPS/eip-627):
- RLPx subprotocol is changed from `shh/6` to `waku/0`
- Light node capability
- Whisper Mail Server and Whisper Mail Client implemented
- RLPx subprotocol is changed from `shh/6` to `waku/0`.
- Light node capability is added.
- Optional rate limiting is added.
- Status packet has following additional parameters: light-node,
confirmations-enabled and rate-limits
- Mail Server and Mail Client functionality is now part of the specification.
- P2P Message packet contains a list of envelopes instead of a single envelope.
## Acknowledgements
- Kim De Mey