85 lines
2.5 KiB
Go
85 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/common"
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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/utilities"
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)
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type Converter interface {
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ToEntity(contractAddress string, contractAbi string, ethLog types.Log) (BiteEntity, error)
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ToModel(flipKick BiteEntity) (BiteModel, error)
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}
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type BiteConverter struct{}
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func (BiteConverter) ToEntity(contractAddress string, contractAbi string, ethLog types.Log) (BiteEntity, error) {
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entity := BiteEntity{}
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address := common.HexToAddress(contractAddress)
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abi, err := geth.ParseAbi(contractAbi)
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if err != nil {
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return entity, 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 entity, err
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}
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entity.Raw = ethLog
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entity.TransactionIndex = ethLog.TxIndex
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return entity, nil
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}
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func (converter BiteConverter) ToModel(entity BiteEntity) (BiteModel, error) {
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id := entity.Id.String()
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ilk := entity.Ilk[:]
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lad := entity.Lad[:]
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ink := entity.Ink.String()
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art := entity.Art.String()
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iArt := entity.IArt.String()
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tab := entity.Tab.String()
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flip := entity.Flip.String()
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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 BiteModel{}, err
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}
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return BiteModel{
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Id: utilities.ConvertNilToEmptyString(id),
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Ilk: ilk,
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Lad: lad,
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Ink: utilities.ConvertNilToEmptyString(ink),
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Art: utilities.ConvertNilToEmptyString(art),
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IArt: utilities.ConvertNilToEmptyString(iArt),
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Tab: utilities.ConvertNilToEmptyString(tab),
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Flip: utilities.ConvertNilToEmptyString(flip),
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TransactionIndex: txIdx,
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Raw: rawLogString,
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}, nil
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}
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