// VulcanizeDB
// Copyright © 2019 Vulcanize

// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.

// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Affero General Public License for more details.

// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package mocks

import (
	"github.com/ethereum/go-ethereum/common"

	"github.com/vulcanize/vulcanizedb/libraries/shared/storage/utils"
	"github.com/vulcanize/vulcanizedb/libraries/shared/transformer"
	"github.com/vulcanize/vulcanizedb/pkg/datastore/postgres"
)

// MockStorageTransformer for tests
type MockStorageTransformer struct {
	KeccakOfAddress common.Hash
	ExecuteErr      error
	PassedDiffs     []utils.PersistedStorageDiff
}

// Execute mock method
func (transformer *MockStorageTransformer) Execute(diff utils.PersistedStorageDiff) error {
	transformer.PassedDiffs = append(transformer.PassedDiffs, diff)
	return transformer.ExecuteErr
}

// KeccakContractAddress mock method
func (transformer *MockStorageTransformer) KeccakContractAddress() common.Hash {
	return transformer.KeccakOfAddress
}

// FakeTransformerInitializer mock method
func (transformer *MockStorageTransformer) FakeTransformerInitializer(db *postgres.DB) transformer.StorageTransformer {
	return transformer
}