100 lines
2.8 KiB
Go
100 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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"fmt"
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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 FlipKickConverter struct{}
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func (FlipKickConverter) ToEntities(contractAbi string, ethLogs []types.Log) ([]interface{}, error) {
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var entities []interface{}
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for _, ethLog := range ethLogs {
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entity := &FlipKickEntity{}
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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, "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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entity.LogIndex = ethLog.Index
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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 (FlipKickConverter) ToModels(entities []interface{}) ([]interface{}, error) {
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var models []interface{}
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for _, entity := range entities {
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flipKickEntity, ok := entity.(FlipKickEntity)
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if !ok {
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return nil, fmt.Errorf("entity of type %T, not %T", entity, FlipKickEntity{})
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}
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if flipKickEntity.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 := flipKickEntity.Id.String()
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lot := shared.BigIntToString(flipKickEntity.Lot)
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bid := shared.BigIntToString(flipKickEntity.Bid)
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gal := flipKickEntity.Gal.String()
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endValue := shared.BigIntToInt64(flipKickEntity.End)
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end := time.Unix(endValue, 0)
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urn := common.BytesToAddress(flipKickEntity.Urn[:common.AddressLength]).String()
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tab := shared.BigIntToString(flipKickEntity.Tab)
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rawLogJson, err := json.Marshal(flipKickEntity.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: flipKickEntity.TransactionIndex,
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LogIndex: flipKickEntity.LogIndex,
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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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