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Wire up grandpa decoder to babylon custom logic #360

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Hooks up picasso header decoding to babylon custom checkpointing logic

@KonradStaniec KonradStaniec requested a review from blasrodri April 24, 2023 10:16
@@ -35,6 +39,25 @@ func GetHeaderInfo(ctx sdk.Context, m exported.ClientMessage) *HeaderInfo {
ChaindId: msg.Header.ChainID,
Height: uint64(msg.Header.Height),
}
case *ibcwasm.Header:
// try to decode wasm.data as a picasso header
gh, err := grandpa.DecodeHeader(grandpa.NewDecoder(bytes.NewReader(msg.Data)))
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@blasrodri just to be sure, does ibcwasm.Header.Data field contains only serialized picasso header or there is some other data here ?

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It only contains grandpa light-client header

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oh and how this header relates to the header parser that Eduardo implemented here - https://github.com/babylonchain/babylon/blob/centauri-integration-ibc-v7-stable/x/zoneconcierge/types/grandpa/header.go ?

return nil
}

return &HeaderInfo{

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don't you need any extra validation? Just asking, I'm totally new to it :)

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it does not need more validation as it is called only in our modified UpdateClient function after client message is already verified with VerifyClientMessage and CheckForMisbehaviour.

This function should probably be package private, but this just a detail :)

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3 participants