use normal mutex to hold lock on simulationState.SetContext

Author: beer-1

baseapp/state/manager.go

@@ -42,7 +42,7 @@ type Manager struct {
 	prepareProposalState *State
 	processProposalState *State
 	finalizeBlockState   *State
-	stateMut             sync.RWMutex
+	stateMut             sync.Mutex
 
 	gasConfig config.GasConfig
 }
@@ -54,8 +54,8 @@ func NewManager(gasConfig config.GasConfig) *Manager {
 }
 
 func (mgr *Manager) GetState(mode sdk.ExecMode) *State {
-	mgr.stateMut.RLock()
-	defer mgr.stateMut.RUnlock()
+	mgr.stateMut.Lock()
+	defer mgr.stateMut.Unlock()
 
 	switch mode {
 	case sdk.ExecModeFinalize: