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chore: change meta size from 32 to 64 bytes + test vector (#589)

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Alvaro Revuelta 2023-03-30 10:36:08 +02:00 committed by GitHub
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content/docs/rfcs/14/README.md
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@ -50,7 +50,7 @@ The data payload is also treated as a Waku message attribute for convenience.
* The `content_topic` attribute MUST specify a string identifier that can be used for content-based filtering. * The `content_topic` attribute MUST specify a string identifier that can be used for content-based filtering.
* The `meta` attribute, if present, contains an arbitrary application-specific variable-length byte array with a maximum length limit of 32 bytes. * The `meta` attribute, if present, contains an arbitrary application-specific variable-length byte array with a maximum length limit of 64 bytes.
This attribute can be utilized to convey supplementary details to various Waku protocols, thereby enabling customized processing based on its contents. This attribute can be utilized to convey supplementary details to various Waku protocols, thereby enabling customized processing based on its contents.
* The `version` attribute, if present, contains a version number to discriminate different types of payload encryption. * The `version` attribute, if present, contains a version number to discriminate different types of payload encryption.
@ -134,7 +134,7 @@ This hashing schema is deemed appropriate for use cases where a cross-implementa
## Test vectors ## Test vectors
Waku message hash computation: Waku message hash computation (`meta` size of 12 bytes):
``` ```
pubsub_topic = "/waku/2/default-waku/proto" (0x2f77616b752f322f64656661756c742d77616b752f70726f746f) pubsub_topic = "/waku/2/default-waku/proto" (0x2f77616b752f322f64656661756c742d77616b752f70726f746f)
message.payload = 0x010203045445535405060708 message.payload = 0x010203045445535405060708
@ -144,6 +144,17 @@ message.meta = 0x73757065722d736563726574
message_hash = 0x4fdde1099c9f77f6dae8147b6b3179aba1fc8e14a7bf35203fc253ee479f135f message_hash = 0x4fdde1099c9f77f6dae8147b6b3179aba1fc8e14a7bf35203fc253ee479f135f
``` ```
Waku message hash computation (`meta` size of 64 bytes):
```
pubsub_topic = "/waku/2/default-waku/proto" (0x2f77616b752f322f64656661756c742d77616b752f70726f746f)
message.payload = 0x010203045445535405060708
message.content_topic = "/waku/2/default-content/proto" (0x2f77616b752f322f64656661756c742d636f6e74656e742f70726f746f)
message.meta = 0x000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f202122232425262728292a2b2c2d2e2f303132333435363738393a3b3c3d3e3f
message_hash = 0xc32ed3b51f0c432be1c7f50880110e1a1a60f6067cd8193ca946909efe1b26ad
```
Waku message hash computation (`meta` attribute not present): Waku message hash computation (`meta` attribute not present):
``` ```
pubsub_topic = "/waku/2/default-waku/proto" (0x2f77616b752f322f64656661756c742d77616b752f70726f746f) pubsub_topic = "/waku/2/default-waku/proto" (0x2f77616b752f322f64656661756c742d77616b752f70726f746f)