b37324bf3d
* Move flip kick files pkg/transformers/flip_kick * Consolidate test database setup * Pull ganache ipcPath from config * Update README to include info about using a Ganache chain
108 lines
2.8 KiB
Go
108 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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"errors"
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"math/big"
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"strings"
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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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)
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type Converter interface {
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ToEntity(contractAddress string, contractAbi string, ethLog types.Log) (*FlipKickEntity, error)
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ToModel(flipKick FlipKickEntity) (FlipKickModel, error)
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}
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type FlipKickConverter struct{}
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func (FlipKickConverter) ToEntity(contractAddress string, contractAbi string, ethLog types.Log) (*FlipKickEntity, error) {
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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 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, "FlipKick", ethLog)
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if err != nil {
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return entity, err
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}
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return entity, nil
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}
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func (FlipKickConverter) ToModel(flipKick FlipKickEntity) (FlipKickModel, error) {
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//TODO: Confirm if the following values can be/ever will be nil
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if flipKick.Id == nil {
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return FlipKickModel{}, errors.New("FlipKick log ID cannot be nil.")
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}
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id := flipKick.Id.String()
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mom := strings.ToLower(flipKick.Mom.String())
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vat := strings.ToLower(flipKick.Vat.String())
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ilk := strings.ToLower(common.ToHex(flipKick.Ilk[:]))
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lot := convertNilToEmptyString(flipKick.Lot.String())
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bid := convertNilToEmptyString(flipKick.Bid.String())
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guy := strings.ToLower(flipKick.Guy.String())
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gal := strings.ToLower(flipKick.Gal.String())
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endValue := convertNilToZeroTimeValue(flipKick.End)
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end := time.Unix(endValue, 0)
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eraValue := convertNilToZeroTimeValue(flipKick.Era)
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era := time.Unix(eraValue, 0)
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lad := strings.ToLower(flipKick.Lad.String())
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tab := convertNilToEmptyString(flipKick.Tab.String())
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return FlipKickModel{
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Id: id,
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Mom: mom,
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Vat: vat,
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Ilk: ilk,
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Lot: lot,
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Bid: bid,
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Guy: guy,
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Gal: gal,
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End: end,
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Era: era,
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Lad: lad,
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Tab: tab,
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}, nil
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}
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func convertNilToZeroTimeValue(value *big.Int) int64 {
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if value == nil {
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return int64(0)
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} else {
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return value.Int64()
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}
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}
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func convertNilToEmptyString(value string) string {
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if value == "<nil>" {
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return ""
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} else {
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return value
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}
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}
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