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chore: adding sentinel path for solomachine header #2748

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Nov 17, 2022
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3 changes: 2 additions & 1 deletion CHANGELOG.md
Original file line number Diff line number Diff line change
Expand Up @@ -69,7 +69,8 @@ Ref: https://keepachangelog.com/en/1.0.0/
### State Machine Breaking

* (light-clients/07-tendermint) [\#2554](https://github.com/cosmos/ibc-go/pull/2554) Forbid negative values for `TrustingPeriod`, `UnbondingPeriod` and `MaxClockDrift` (as specified in ICS-07).
* (06-solomachine) [\#2744](https://github.com/cosmos/ibc-go/pull/2744) `Misbehaviour.ValidateBasic()` now only enforces that signature data does not match when the signature paths are different.
* (06-solomachine) [\#2744](https://github.com/cosmos/ibc-go/pull/2744) `Misbehaviour.ValidateBasic()` now only enforces that signature data does not match when the signature paths are different.
* (06-solomachine) [\#2748](https://github.com/cosmos/ibc-go/pull/2748) Adding sentinel value for header path in 06-solomachine.
Comment on lines +72 to +73
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let's add these to the description of the PR too in conventional format! ❤️

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Is this correct?

chore(statemachine)!: Adding sentinel value for header path in 06-solomachine.

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yeah that looks good!


### Improvements

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3 changes: 3 additions & 0 deletions modules/light-clients/06-solomachine/header.go
Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,9 @@ import (
"github.com/cosmos/ibc-go/v6/modules/core/exported"
)

// SentinelHeaderPath defines a sentinel path used for solomachine header updates
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const SentinelHeaderPath = "solomachine:header"
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should we match the proposed spec value? https://github.com/cosmos/ibc/pull/821/files#diff-028a9db43f8be864645baa5997fbb182b9af4cd9d444166944920c9fb25ee5fcR179

I'm okay proposing a different value in the spec as well

cc @AdityaSripal

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Huh! I missed this was already part of the spec, my bad.
I actually feel like proposing a change, what do you think?

In my opinion solomachine:header feels a little easier on the eye than the capitalised snake case. Don't feel too strongly about it but just my two cents

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Sounds good to me!

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var _ exported.ClientMessage = &Header{}

// ClientType defines that the Header is a Solo Machine.
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2 changes: 1 addition & 1 deletion modules/light-clients/06-solomachine/update.go
Original file line number Diff line number Diff line change
Expand Up @@ -57,7 +57,7 @@ func (cs ClientState) verifyHeader(ctx sdk.Context, cdc codec.BinaryCodec, clien
Sequence: header.Sequence,
Timestamp: header.Timestamp,
Diversifier: cs.ConsensusState.Diversifier,
Path: []byte{},
Path: []byte(SentinelHeaderPath),
Data: dataBz,
}

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2 changes: 1 addition & 1 deletion testing/solomachine.go
Original file line number Diff line number Diff line change
Expand Up @@ -126,7 +126,7 @@ func (solo *Solomachine) CreateHeader(newDiversifier string) *solomachine.Header
Sequence: solo.Sequence,
Timestamp: solo.Time,
Diversifier: solo.Diversifier,
Path: []byte{},
Path: []byte(solomachinetypes.SentinelHeaderPath),
Data: dataBz,
}

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