bf44ec614a
* Log checked headers for Bite events * Log checked headers for Drip drip events * Log checked headers for Drip file events - mark headers checked for 3 implementations of file on the Drip contract * Log checked headers for Frob frob events * Log checked headers for Pit file events - mark headers checked for 3 implementations of file on the Pit contract * Log checked headers for Vat init events
94 lines
2.5 KiB
Go
94 lines
2.5 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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"encoding/json"
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"github.com/ethereum/go-ethereum/accounts/abi/bind"
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"github.com/ethereum/go-ethereum/core/types"
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"github.com/vulcanize/vulcanizedb/pkg/geth"
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"github.com/vulcanize/vulcanizedb/pkg/transformers/shared"
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)
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type Converter interface {
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ToEntities(contractAbi string, ethLogs []types.Log) ([]BiteEntity, error)
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ToModels(biteEntities []BiteEntity) ([]BiteModel, error)
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}
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type BiteConverter struct{}
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func (BiteConverter) ToEntities(contractAbi string, ethLogs []types.Log) ([]BiteEntity, error) {
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var entities []BiteEntity
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for _, ethLog := range ethLogs {
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entity := BiteEntity{}
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address := ethLog.Address
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abi, err := geth.ParseAbi(contractAbi)
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if err != nil {
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return nil, err
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}
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contract := bind.NewBoundContract(address, abi, nil, nil, nil)
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err = contract.UnpackLog(&entity, "Bite", ethLog)
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if err != nil {
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return nil, err
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}
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entity.Raw = ethLog
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entity.TransactionIndex = ethLog.TxIndex
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entities = append(entities, entity)
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}
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return entities, nil
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}
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func (converter BiteConverter) ToModels(entities []BiteEntity) ([]BiteModel, error) {
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var models []BiteModel
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for _, entity := range entities {
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id := entity.Id
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ilk := entity.Ilk[:]
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urn := entity.Urn[:]
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ink := entity.Ink
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art := entity.Art
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iArt := entity.IArt
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tab := entity.Tab
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flip := entity.Flip
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txIdx := entity.TransactionIndex
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rawLogJson, err := json.Marshal(entity.Raw)
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rawLogString := string(rawLogJson)
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if err != nil {
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return nil, err
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}
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model := BiteModel{
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Id: shared.BigIntToString(id),
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Ilk: ilk,
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Urn: urn,
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Ink: shared.BigIntToString(ink),
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Art: shared.BigIntToString(art),
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IArt: shared.BigIntToString(iArt),
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Tab: shared.BigIntToString(tab),
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Flip: shared.BigIntToString(flip),
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TransactionIndex: txIdx,
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Raw: rawLogString,
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}
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models = append(models, model)
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}
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return models, nil
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}
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