// 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 common

import (
	"encoding/json"
	"strconv"

	"github.com/ethereum/go-ethereum/core/types"

	"github.com/vulcanize/vulcanizedb/pkg/eth/core"
)

type HeaderConverter struct{}

func (converter HeaderConverter) Convert(gethHeader *types.Header, blockHash string) core.Header {
	rawHeader, err := json.Marshal(gethHeader)
	if err != nil {
		panic(err)
	}
	coreHeader := core.Header{
		Hash:        blockHash,
		BlockNumber: gethHeader.Number.Int64(),
		Raw:         rawHeader,
		Timestamp:   strconv.FormatUint(gethHeader.Time, 10),
	}
	return coreHeader
}