82 lines
2.2 KiB
Go
82 lines
2.2 KiB
Go
// Copyright 2018 Vulcanize
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package flop_kick
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import (
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"github.com/ethereum/go-ethereum/common"
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"github.com/vulcanize/vulcanizedb/pkg/core"
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"github.com/vulcanize/vulcanizedb/pkg/datastore/postgres"
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"github.com/vulcanize/vulcanizedb/pkg/transformers/shared"
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)
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type Transformer struct {
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Config shared.TransformerConfig
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Converter Converter
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Fetcher shared.LogFetcher
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Repository Repository
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}
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type FlopKickTransformerInitializer struct {
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Config shared.TransformerConfig
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}
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func (i FlopKickTransformerInitializer) NewFlopKickTransformer(db *postgres.DB, blockChain core.BlockChain) shared.Transformer {
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return Transformer{
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Config: i.Config,
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Converter: FlopKickConverter{},
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Fetcher: shared.NewFetcher(blockChain),
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Repository: NewFlopKickRepository(db),
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}
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}
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func (t Transformer) Execute() error {
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config := t.Config
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headers, err := t.Repository.MissingHeaders(config.StartingBlockNumber, config.EndingBlockNumber)
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if err != nil {
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return err
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}
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for _, header := range headers {
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topics := [][]common.Hash{{common.HexToHash(shared.FlopKickSignature)}}
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matchingLogs, err := t.Fetcher.FetchLogs(config.ContractAddress, topics, header.BlockNumber)
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if err != nil {
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return err
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}
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if len(matchingLogs) < 1 {
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err := t.Repository.MarkHeaderChecked(header.Id)
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if err != nil {
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return err
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}
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}
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entities, err := t.Converter.ToEntities(config.ContractAddress, config.ContractAbi, matchingLogs)
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if err != nil {
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return err
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}
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models, err := t.Converter.ToModels(entities)
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if err != nil {
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return err
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}
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err = t.Repository.Create(header.Id, models)
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if err != nil {
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return err
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}
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}
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return nil
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}
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