feat: Integrating POB into sim-app base app. (#130)

Co-authored-by: Aleksandr Bezobchuk <aleks.bezobchuk@gmail.com>

x/builder/types/genesis.go

@@ -1,5 +1,11 @@
 package types
 
+import (
+	"encoding/json"
+
+	"github.com/cosmos/cosmos-sdk/codec"
+)
+
 // NewGenesisState creates a new GenesisState instance.
 func NewGenesisState(params Params) *GenesisState {
 	return &GenesisState{
@@ -18,3 +24,15 @@ func DefaultGenesisState() *GenesisState {
 func (gs GenesisState) Validate() error {
 	return gs.Params.Validate()
 }
+
+// GetGenesisStateFromAppState returns x/builder GenesisState given raw application
+// genesis state.
+func GetGenesisStateFromAppState(cdc codec.Codec, appState map[string]json.RawMessage) GenesisState {
+	var genesisState GenesisState
+
+	if appState[ModuleName] != nil {
+		cdc.MustUnmarshalJSON(appState[ModuleName], &genesisState)
+	}
+
+	return genesisState
+}