forked from cerc-io/ipld-eth-server
95 lines
2.8 KiB
Go
95 lines
2.8 KiB
Go
// 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 flip_kick
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import (
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"encoding/json"
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"errors"
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"time"
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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/shared"
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)
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type Converter interface {
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ToEntities(contractAddress string, contractAbi string, ethLogs []types.Log) ([]FlipKickEntity, error)
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ToModels(flipKicks []FlipKickEntity) ([]FlipKickModel, error)
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}
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type FlipKickConverter struct{}
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func (FlipKickConverter) ToEntities(contractAddress string, contractAbi string, ethLogs []types.Log) (results []FlipKickEntity, err error) {
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for _, ethLog := range ethLogs {
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entity := &FlipKickEntity{}
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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 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, "Kick", 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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results = append(results, *entity)
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}
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return results, nil
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}
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func (FlipKickConverter) ToModels(flipKicks []FlipKickEntity) (results []FlipKickModel, err error) {
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for _, flipKick := range flipKicks {
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if flipKick.Id == nil {
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return nil, errors.New("FlipKick log ID cannot be nil.")
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}
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id := flipKick.Id.String()
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lot := shared.BigIntToString(flipKick.Lot)
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bid := shared.BigIntToString(flipKick.Bid)
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gal := flipKick.Gal.String()
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endValue := shared.BigIntToInt64(flipKick.End)
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end := time.Unix(endValue, 0)
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urn := common.BytesToAddress(flipKick.Urn[:common.AddressLength]).String()
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tab := shared.BigIntToString(flipKick.Tab)
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rawLogJson, err := json.Marshal(flipKick.Raw)
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if err != nil {
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return nil, err
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}
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rawLogString := string(rawLogJson)
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model := FlipKickModel{
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BidId: id,
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Lot: lot,
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Bid: bid,
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Gal: gal,
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End: end,
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Urn: urn,
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Tab: tab,
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TransactionIndex: flipKick.TransactionIndex,
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Raw: rawLogString,
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}
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results = append(results, model)
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}
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return results, err
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}
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