feat!: Define Genesis state transition (#15999)

baseapp/genesis.go

@@ -0,0 +1,22 @@
+package baseapp
+
+import (
+	"errors"
+
+	"cosmossdk.io/core/genesis"
+	"github.com/cometbft/cometbft/abci/types"
+)
+
+var _ genesis.TxHandler = (*BaseApp)(nil)
+
+// ExecuteGenesisTx implements genesis.GenesisState from
+// cosmossdk.io/core/genesis to set initial state in genesis
+func (ba BaseApp) ExecuteGenesisTx(tx []byte) error {
+	res := ba.DeliverTx(types.RequestDeliverTx{Tx: tx})
+
+	if res.Code != types.CodeTypeOK {
+		return errors.New(res.Log)
+	}
+
+	return nil
+}