refactor(store/v2): remove SDK error registration (#19708)

store/errors/errors.go

@@ -1,47 +1,43 @@
 package errors
 
 import (
+	"errors"
 	"fmt"
-
-	"cosmossdk.io/errors"
 )
 
-// StoreCodespace defines the store package's unique error code space.
-const StoreCodespace = "storev2"
-
 var (
 	// ErrInvalidProof is returned when a proof is invalid
-	ErrInvalidProof = errors.Register(StoreCodespace, 2, "invalid proof")
+	ErrInvalidProof = errors.New("invalid proof")
 
 	// ErrTxDecode is returned if we cannot parse a transaction
-	ErrTxDecode = errors.Register(StoreCodespace, 3, "tx parse error")
+	ErrTxDecode = errors.New("tx parse error")
 
 	// ErrUnknownRequest to doc
-	ErrUnknownRequest = errors.Register(StoreCodespace, 4, "unknown request")
+	ErrUnknownRequest = errors.New("unknown request")
 
 	// ErrLogic defines an internal logic error, e.g. an invariant or assertion
 	// that is violated. It is a programmer error, not a user-facing error.
-	ErrLogic = errors.Register(StoreCodespace, 5, "internal logic error")
+	ErrLogic = errors.New("internal logic error")
 
 	// ErrConflict defines a conflict error, e.g. when two goroutines try to access
 	// the same resource and one of them fails.
-	ErrConflict = errors.Register(StoreCodespace, 6, "conflict")
+	ErrConflict = errors.New("conflict")
 
 	// ErrInvalidRequest defines an ABCI typed error where the request contains
 	// invalid data.
-	ErrInvalidRequest = errors.Register(StoreCodespace, 7, "invalid request")
+	ErrInvalidRequest = errors.New("invalid request")
 
-	ErrClosed          = errors.Register(StoreCodespace, 8, "closed")
-	ErrRecordNotFound  = errors.Register(StoreCodespace, 9, "record not found")
-	ErrUnknownStoreKey = errors.Register(StoreCodespace, 10, "unknown store key")
-	ErrKeyEmpty        = errors.Register(StoreCodespace, 11, "key empty")
-	ErrStartAfterEnd   = errors.Register(StoreCodespace, 12, "start key after end key")
+	ErrClosed          = errors.New("closed")
+	ErrRecordNotFound  = errors.New("record not found")
+	ErrUnknownStoreKey = errors.New("unknown store key")
+	ErrKeyEmpty        = errors.New("key empty")
+	ErrStartAfterEnd   = errors.New("start key after end key")
 
 	// ErrBatchClosed is returned when a closed or written batch is used.
-	ErrBatchClosed = errors.Register(StoreCodespace, 13, "batch has been written or closed")
+	ErrBatchClosed = errors.New("batch has been written or closed")
 
 	// ErrValueNil is returned when attempting to set a nil value.
-	ErrValueNil = errors.Register(StoreCodespace, 14, "value nil")
+	ErrValueNil = errors.New("value nil")
 )
 
 // ErrVersionPruned defines an error returned when a version queried is pruned