feat: get support chain api

src/model/data/supported_asset_data.go

@@ -21,6 +21,20 @@ func AddSupportedAsset(network, token string, status int64) (*mdb.SupportedAsset
 	if exist.ID > 0 {
 		return nil, constant.SupportedAssetAlreadyExists
 	}
+
+	deleted, err := getSupportedAssetByNetworkAndTokenUnscoped(network, token)
+	if err != nil {
+		return nil, err
+	}
+	if deleted.ID > 0 && deleted.DeletedAt.Valid {
+		deleted.Status = status
+		deleted.DeletedAt.Valid = false
+		if err := dao.Mdb.Unscoped().Save(deleted).Error; err != nil {
+			return nil, err
+		}
+		return deleted, nil
+	}
+
 	asset := &mdb.SupportedAsset{
 		Network: network,
 		Token:   token,
@@ -30,6 +44,16 @@ func AddSupportedAsset(network, token string, status int64) (*mdb.SupportedAsset
 	return asset, err
 }
 
+func getSupportedAssetByNetworkAndTokenUnscoped(network, token string) (*mdb.SupportedAsset, error) {
+	network, token = normalizeNetworkToken(network, token)
+	asset := new(mdb.SupportedAsset)
+	err := dao.Mdb.Unscoped().Model(asset).
+		Where("network = ?", network).
+		Where("token = ?", token).
+		Limit(1).Find(asset).Error
+	return asset, err
+}
+
 func GetSupportedAssetByNetworkAndToken(network, token string) (*mdb.SupportedAsset, error) {
 	network, token = normalizeNetworkToken(network, token)
 	asset := new(mdb.SupportedAsset)

src/route/router_test.go

@@ -322,6 +322,17 @@ func TestSupportedAssetCRUD(t *testing.T) {
 	if resp["status_code"].(float64) != 200 {
 		t.Fatalf("delete supported asset failed: %v", resp)
 	}
+
+	// recreate after delete should restore soft-deleted row, not unique-conflict
+	rec = doPostWithToken(e, "/payments/gmpay/v1/supported-assets/add", map[string]interface{}{
+		"network": "arbitrum",
+		"token":   "usdc",
+		"status":  1,
+	})
+	resp = parseResp(t, rec)
+	if resp["status_code"].(float64) != 200 {
+		t.Fatalf("recreate after delete failed: %v", resp)
+	}
 }
 
 // TestWalletAddAndList tests adding wallets via API and listing them.