diff --git a/claim_type.go b/claim_type.go
new file mode 100644
index 0000000..3741ecc
--- /dev/null
+++ b/claim_type.go
@@ -0,0 +1,52 @@
+package themis
+
+import "fmt"
+
+type ClaimType string
+
+func ClaimTypeFromString(s string) (ClaimType, error) {
+	switch s {
+	case CLAIM_TYPE_AREA:
+		return CLAIM_TYPE_AREA, nil
+	case CLAIM_TYPE_REGION:
+		return CLAIM_TYPE_REGION, nil
+	case CLAIM_TYPE_TRADE:
+		return CLAIM_TYPE_TRADE, nil
+	}
+	return "", fmt.Errorf("no claim type matching '%s'", s)
+}
+
+func (ct ClaimType) String() string {
+	switch ct {
+	case CLAIM_TYPE_AREA:
+		return "Area"
+	case CLAIM_TYPE_REGION:
+		return "Region"
+	case CLAIM_TYPE_TRADE:
+		return "Trade Node"
+	}
+	return ""
+}
+
+const (
+	CLAIM_TYPE_AREA   = "area"
+	CLAIM_TYPE_REGION = "region"
+	CLAIM_TYPE_TRADE  = "trade"
+)
+
+var claimTypeToColumn = map[ClaimType]string{
+	CLAIM_TYPE_AREA:   "area",
+	CLAIM_TYPE_REGION: "region",
+	CLAIM_TYPE_TRADE:  "trade_node",
+}
+
+type Claim struct {
+	ID     int
+	Player string
+	Name   string
+	Type   ClaimType
+}
+
+func (c Claim) String() string {
+	return fmt.Sprintf("id=%d player=%s claim_type=%s name=%s", c.ID, c.Player, c.Type, c.Name)
+}
diff --git a/errors.go b/errors.go
new file mode 100644
index 0000000..3e906d8
--- /dev/null
+++ b/errors.go
@@ -0,0 +1,16 @@
+package themis
+
+import (
+	"errors"
+	"fmt"
+)
+
+var ErrNoSuchClaim = errors.New("no such claim")
+
+type ErrConflict struct {
+	Conflicts []Conflict
+}
+
+func (ec ErrConflict) Error() string {
+	return fmt.Sprintf("found %d conflicting provinces", len(ec.Conflicts))
+}
diff --git a/store.go b/store.go
index b5c7a9c..8365540 100644
--- a/store.go
+++ b/store.go
@@ -4,7 +4,6 @@ import (
 	"context"
 	"database/sql"
 	_ "embed"
-	"errors"
 	"fmt"
 	"strings"
 
@@ -14,63 +13,6 @@ import (
 //go:embed migrations/init.sql
 var initScript string
 
-type ClaimType string
-
-func ClaimTypeFromString(s string) (ClaimType, error) {
-	switch s {
-	case CLAIM_TYPE_AREA:
-		return CLAIM_TYPE_AREA, nil
-	case CLAIM_TYPE_REGION:
-		return CLAIM_TYPE_REGION, nil
-	case CLAIM_TYPE_TRADE:
-		return CLAIM_TYPE_TRADE, nil
-	}
-	return "", fmt.Errorf("no claim type matching '%s'", s)
-}
-
-func (ct ClaimType) String() string {
-	switch ct {
-	case CLAIM_TYPE_AREA:
-		return "Area"
-	case CLAIM_TYPE_REGION:
-		return "Region"
-	case CLAIM_TYPE_TRADE:
-		return "Trade Node"
-	}
-	return ""
-}
-
-const (
-	CLAIM_TYPE_AREA   = "area"
-	CLAIM_TYPE_REGION = "region"
-	CLAIM_TYPE_TRADE  = "trade"
-)
-
-var claimTypeToColumn = map[ClaimType]string{
-	CLAIM_TYPE_AREA:   "area",
-	CLAIM_TYPE_REGION: "region",
-	CLAIM_TYPE_TRADE:  "trade_node",
-}
-
-type Claim struct {
-	ID     int
-	Player string
-	Name   string
-	Type   ClaimType
-}
-
-func (c Claim) String() string {
-	return fmt.Sprintf("id=%d player=%s claim_type=%s name=%s", c.ID, c.Player, c.Type, c.Name)
-}
-
-type ErrConflict struct {
-	Conflicts []Conflict
-}
-
-func (ec ErrConflict) Error() string {
-	return fmt.Sprintf("found %d conflicting provinces", len(ec.Conflicts))
-}
-
 type Store struct {
 	db *sql.DB
 }
@@ -274,8 +216,6 @@ func (s *Store) DescribeClaim(ctx context.Context, ID int) (ClaimDetail, error)
 	}, nil
 }
 
-var ErrNoSuchClaim = errors.New("no such claim")
-
 func (s *Store) DeleteClaim(ctx context.Context, ID int, userId string) error {
 	stmt, err := s.db.PrepareContext(ctx, "DELETE FROM claims WHERE id = ? AND userid = ?")
 	if err != nil {