985fa49178
add transaction index and raw log to bite table work on converter for bite event update bite repository, replace guy with 32byte lad; create bite converter to entity update field type for bite event; start on bite transformer finish bite event transformer
89 lines
2.4 KiB
Go
89 lines
2.4 KiB
Go
/*
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* 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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*/
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package bite
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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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"log"
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)
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type BiteTransformer struct {
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Repository Repository
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Fetcher shared.LogFetcher
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Converter Converter
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Config shared.TransformerConfig
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}
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type BiteTransformerInitializer struct {
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Config shared.TransformerConfig
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}
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func (i BiteTransformerInitializer) NewBiteTransformer(db *postgres.DB, blockChain core.BlockChain) shared.Transformer {
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fetcher := shared.NewFetcher(blockChain)
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repository := NewBiteRepository(db)
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transformer := BiteTransformer{
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Fetcher: fetcher,
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Repository: repository,
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Converter: BiteConverter{},
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Config: i.Config,
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}
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return transformer
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}
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func (b BiteTransformer) Execute() error {
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config := b.Config
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topics := [][]common.Hash{{common.HexToHash(shared.BiteSignature)}}
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missingHeaders, err := b.Repository.MissingHeaders(config.StartingBlockNumber, config.EndingBlockNumber)
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if err != nil {
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log.Println("Error fetching missing headers:", err)
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return err
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}
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for _, header := range missingHeaders {
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ethLogs, err := b.Fetcher.FetchLogs(config.ContractAddresses, topics, header.BlockNumber)
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if err != nil {
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log.Println("Error fetching matching logs:", err)
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return err
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}
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for _, ethLog := range ethLogs {
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entity, err := b.Converter.ToEntity(config.ContractAddresses, config.ContractAbi, ethLog)
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model, err := b.Converter.ToModel(entity)
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if err != nil {
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log.Println("Error converting logs:", err)
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return err
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}
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err = b.Repository.Create(header.Id, model)
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if err != nil {
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log.Println("Error persisting bite record:", err)
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return err
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}
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}
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}
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return nil
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}
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func (b BiteTransformer) SetConfig(config shared.TransformerConfig) {
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b.Config = config
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}
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