Function Migrate

cmd/sifnoded/cmd/migrate.go:124–161

Migrate migrates exported state from v0.39 to a v0.40 genesis state.

(appState types.AppMap, clientCtx client.Context)

// Migrate migrates exported state from v0.39 to a v0.40 genesis state.
func Migrate(appState types.AppMap, clientCtx client.Context) types.AppMap {
	v039Codec := codec.NewLegacyAmino()
	v039ethbridge.RegisterLegacyAminoCodec(v039Codec)
	v040Codec := clientCtx.Codec
	// CLP
	if appState[v039clp.ModuleName] != nil {
		var genesis v039clp.GenesisState
		v039Codec.MustUnmarshalJSON(appState[v039clp.ModuleName], &genesis)
		newGenesis := v042clp.Migrate(genesis)
		appState[clptypes.ModuleName] = v040Codec.MustMarshalJSON(&newGenesis)
	}
	// Ethbridge
	if appState[v039ethbridge.ModuleName] != nil {
		var ethbridgeGenesis v039ethbridge.GenesisState
		v039Codec.MustUnmarshalJSON(appState[v039ethbridge.ModuleName], &ethbridgeGenesis)
		newGenesis := v042ethbridge.Migrate(ethbridgeGenesis)
		appState[ethbridgetypes.ModuleName] = v040Codec.MustMarshalJSON(newGenesis)
	}
	// Oracle
	if appState[v039oracle.ModuleName] != nil {
		var genesis v039oracle.GenesisState
		v039Codec.MustUnmarshalJSON(appState[v039oracle.ModuleName], &genesis)
		newGenesis := v042oracle.Migrate(genesis)
		appState[oracletypes.ModuleName] = v040Codec.MustMarshalJSON(newGenesis)
	}
	// Dispensation
	if appState[v039dispensation.ModuleName] != nil {
		var genesis v039dispensation.GenesisState
		v039Codec.MustUnmarshalJSON(appState[v039dispensation.ModuleName], &genesis)
		newGenesis := v042dispensation.Migrate(genesis)
		appState[dispensationtypes.ModuleName] = v040Codec.MustMarshalJSON(newGenesis)
	}
	// Install evidence module genesis
	if appState[evidencetypes.ModuleName] == nil {
		appState[evidencetypes.ModuleName] = v040Codec.MustMarshalJSON(evidencetypes.DefaultGenesisState())
	}
	return appState
}