49 lines
1.4 KiB
Go
49 lines
1.4 KiB
Go
package v040
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import (
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"fmt"
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codectypes "github.com/cosmos/cosmos-sdk/codec/types"
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v038evidence "github.com/cosmos/cosmos-sdk/x/evidence/migrations/v038"
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v040evidence "github.com/cosmos/cosmos-sdk/x/evidence/types"
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)
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func migrateEvidence(oldEvidence v038evidence.Evidence) *codectypes.Any {
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switch oldEvidence := oldEvidence.(type) {
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case v038evidence.Equivocation:
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{
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newEquivocation := &v040evidence.Equivocation{
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Height: oldEvidence.Height,
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Time: oldEvidence.Time,
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Power: oldEvidence.Power,
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ConsensusAddress: oldEvidence.ConsensusAddress.String(),
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}
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any, err := codectypes.NewAnyWithValue(newEquivocation)
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if err != nil {
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panic(err)
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}
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return any
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}
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default:
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panic(fmt.Errorf("'%T' is not a valid evidence type", oldEvidence))
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}
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}
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// Migrate accepts exported v0.38 x/evidence genesis state and migrates it to
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// v0.40 x/evidence genesis state. The migration includes:
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//
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// - Removing the `Params` field.
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// - Converting Equivocations into Anys.
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// - Re-encode in v0.40 GenesisState.
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func Migrate(evidenceState v038evidence.GenesisState) *v040evidence.GenesisState {
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var newEvidences = make([]*codectypes.Any, len(evidenceState.Evidence))
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for i, oldEvidence := range evidenceState.Evidence {
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newEvidences[i] = migrateEvidence(oldEvidence)
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}
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return &v040evidence.GenesisState{
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Evidence: newEvidences,
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}
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}
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