60 lines
1.5 KiB
Go
60 lines
1.5 KiB
Go
// VulcanizeDB
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// Copyright © 2018 Vulcanize
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package deal
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import (
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"encoding/json"
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"errors"
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"github.com/ethereum/go-ethereum/core/types"
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)
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type DealConverter struct{}
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func (DealConverter) ToModels(ethLogs []types.Log) (result []interface{}, err error) {
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for _, log := range ethLogs {
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err := validateLog(log)
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if err != nil {
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return nil, err
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}
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bidId := log.Topics[2].Big()
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raw, err := json.Marshal(log)
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if err != nil {
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return nil, err
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}
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model := DealModel{
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BidId: bidId.String(),
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ContractAddress: log.Address.Hex(),
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LogIndex: log.Index,
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TransactionIndex: log.TxIndex,
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Raw: raw,
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}
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result = append(result, model)
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}
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return result, nil
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}
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func validateLog(ethLog types.Log) error {
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if len(ethLog.Topics) < 3 {
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return errors.New("deal log does not contain expected topics")
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}
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return nil
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}
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