Update Packet Data type

[seantking]

Summary

Update IBCAccountPacketData to have the following definition:

message InterchainAccountPacketData  {
    bytes data = 1;
    string memo = 2;
    Type  type = 3;
}

Investigate if we can remove IBCTxRaw & only use IBCTxBody. Future versions of ICA may use the data field for use other than executing messages which we need to take into consideration.

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[colin-axner]

I think the data field should be repeated Anys

[seantking]

I think the data field should be repeated Anys

I was thinking the same until I considered that depending on the Type we may want data to not be a list of messages, which I guess is why it was left to be more arbitrary, to begin with.

Open to ideas, just food for thought :)

[colin-axner]

I was thinking the same until I considered that depending on the Type we may want data to not be a list of messages

An Any is:

type Any struct {
    TypeURL string
    Value []byte
}

Thus even if the Type isn't EXECUTE_TX, the list of Anys could be non sdk.Msg types as well

[seantking]

Ah, yes that makes sense! I agree let's do repeated Any.