88 lines
2.8 KiB
Go
88 lines
2.8 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 event_triggered
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import (
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"fmt"
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"log"
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"github.com/vulcanize/vulcanizedb/examples/constants"
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"github.com/vulcanize/vulcanizedb/examples/generic"
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"github.com/vulcanize/vulcanizedb/libraries/shared"
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"github.com/vulcanize/vulcanizedb/pkg/datastore"
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"github.com/vulcanize/vulcanizedb/pkg/datastore/postgres"
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"github.com/vulcanize/vulcanizedb/pkg/datastore/postgres/repositories"
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)
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type GenericTransformer struct {
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Converter GenericConverterInterface
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WatchedEventRepository datastore.WatchedEventRepository
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FilterRepository datastore.FilterRepository
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Repository GenericEventDatastore
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}
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func NewTransformer(db *postgres.DB, config generic.ContractConfig) (shared.Transformer, error) {
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var transformer shared.Transformer
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cnvtr, err := NewGenericConverter(config)
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if err != nil {
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return transformer, err
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}
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wer := repositories.WatchedEventRepository{DB: db}
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fr := repositories.FilterRepository{DB: db}
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lkr := GenericEventRepository{DB: db}
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transformer = GenericTransformer{
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Converter: cnvtr,
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WatchedEventRepository: wer,
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FilterRepository: fr,
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Repository: lkr,
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}
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for _, filter := range constants.TusdGenericFilters {
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fr.CreateFilter(filter)
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}
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return transformer, nil
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}
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func (tr GenericTransformer) Execute() error {
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for _, filter := range constants.TusdGenericFilters {
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watchedEvents, err := tr.WatchedEventRepository.GetWatchedEvents(filter.Name)
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if err != nil {
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log.Println(fmt.Sprintf("Error fetching events for %s:", filter.Name), err)
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return err
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}
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for _, we := range watchedEvents {
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if filter.Name == constants.BurnEvent.String() {
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entity, err := tr.Converter.ToBurnEntity(*we)
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model := tr.Converter.ToBurnModel(entity)
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if err != nil {
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log.Printf("Error persisting data for Dai Burns (watchedEvent.LogID %d):\n %s", we.LogID, err)
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}
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tr.Repository.CreateBurn(model, we.LogID)
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}
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if filter.Name == constants.MintEvent.String() {
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entity, err := tr.Converter.ToMintEntity(*we)
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model := tr.Converter.ToMintModel(entity)
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if err != nil {
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log.Printf("Error persisting data for Dai Mints (watchedEvent.LogID %d):\n %s", we.LogID, err)
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}
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tr.Repository.CreateMint(model, we.LogID)
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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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