72 lines
2.2 KiB
Go
72 lines
2.2 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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package repo
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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/drip_file"
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"github.com/vulcanize/vulcanizedb/pkg/transformers/shared"
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)
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type DripFileRepoTransformer 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 DripFileRepoTransformerInitializer struct {
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Config shared.TransformerConfig
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}
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func (initializer DripFileRepoTransformerInitializer) NewDripFileRepoTransformer(db *postgres.DB, blockChain core.BlockChain) shared.Transformer {
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converter := DripFileRepoConverter{}
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fetcher := shared.NewFetcher(blockChain)
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repository := NewDripFileRepoRepository(db)
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return DripFileRepoTransformer{
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Config: initializer.Config,
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Converter: converter,
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Fetcher: fetcher,
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Repository: repository,
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}
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}
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func (transformer DripFileRepoTransformer) Execute() error {
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missingHeaders, err := transformer.Repository.MissingHeaders(transformer.Config.StartingBlockNumber, transformer.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 missingHeaders {
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topics := [][]common.Hash{{common.HexToHash(shared.DripFileRepoSignature)}}
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matchingLogs, err := transformer.Fetcher.FetchLogs(drip_file.DripFileConfig.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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for _, log := range matchingLogs {
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model, err := transformer.Converter.ToModel(log)
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if err != nil {
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return err
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}
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err = transformer.Repository.Create(header.Id, model)
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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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}
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return nil
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}
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