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messagebusparser.go
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messagebusparser.go
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package parser
import (
"context"
"fmt"
"time"
"github.com/synapsecns/sanguine/services/explorer/consumer/fetcher/tokenprice"
"github.com/ethereum/go-ethereum/common"
ethTypes "github.com/ethereum/go-ethereum/core/types"
"github.com/synapsecns/sanguine/services/explorer/consumer/fetcher"
"github.com/synapsecns/sanguine/services/explorer/contracts/messagebus"
"github.com/synapsecns/sanguine/services/explorer/db"
model "github.com/synapsecns/sanguine/services/explorer/db/sql"
messageBusTypes "github.com/synapsecns/sanguine/services/explorer/types/messagebus"
)
// MessageBusParser parses messagebus logs.
type MessageBusParser struct {
// consumerDB is the database to store parsed data in
consumerDB db.ConsumerDB
// Filterer is the message Filterer we use to parse events
Filterer *messagebus.MessageBusUpgradeableFilterer
// messageAddress is the address of the message
messageBusAddress common.Address
// consumerFetcher is the Fetcher for sender and timestamp
consumerFetcher fetcher.ScribeFetcher
// tokenPriceService contains the token price service/cache
tokenPriceService tokenprice.Service
}
// NewMessageBusParser creates a new parser for a given message.
func NewMessageBusParser(consumerDB db.ConsumerDB, messageBusAddress common.Address, consumerFetcher fetcher.ScribeFetcher, tokenPriceService tokenprice.Service) (*MessageBusParser, error) {
filterer, err := messagebus.NewMessageBusUpgradeableFilterer(messageBusAddress, nil)
if err != nil {
return nil, fmt.Errorf("could not create %T: %w", messagebus.MessageBusReceiverUpgradeableFilterer{}, err)
}
return &MessageBusParser{consumerDB, filterer, messageBusAddress, consumerFetcher, tokenPriceService}, nil
}
// EventType returns the event type of a message log.
func (m *MessageBusParser) EventType(log ethTypes.Log) (_ messageBusTypes.EventType, ok bool) {
for _, logTopic := range log.Topics {
eventType := messagebus.EventTypeFromTopic(logTopic)
if eventType == nil {
continue
}
return *eventType, true
}
// return an unknown event to avoid cases where user failed to check the event type
return messageBusTypes.EventType(len(messageBusTypes.AllEventTypes()) + 2), false
}
// eventToMessageEvent stores a message event.
func eventToMessageEvent(event messageBusTypes.EventLog, chainID uint32) model.MessageBusEvent {
return model.MessageBusEvent{
InsertTime: uint64(time.Now().UnixNano()),
ContractAddress: event.GetContractAddress().String(),
ChainID: chainID,
EventType: event.GetEventType().Int(),
BlockNumber: event.GetBlockNumber(),
TxHash: event.GetTxHash().String(),
EventIndex: event.GetEventIndex(),
Sender: "",
MessageID: ToNullString(event.GetMessageID()),
SourceChainID: event.GetSourceChainID(),
Status: ToNullString(event.GetStatus()),
SourceAddress: ToNullString(event.GetSourceAddress()),
DestinationAddress: ToNullString(event.GetDestinationAddress()),
DestinationChainID: event.GetDestinationChainID(),
Nonce: event.GetNonce(),
Message: ToNullString(event.GetMessage()),
Receiver: ToNullString(event.GetReceiver()),
Options: ToNullString(event.GetOptions()),
Fee: event.GetFee(),
TimeStamp: nil,
RevertedReason: ToNullString(event.GetRevertReason()),
FeeUSD: nil,
}
}
// ParserType returns the type of parser.
func (m *MessageBusParser) ParserType() string {
return "messagebus"
}
// Parse parses the message logs.
//
// nolint:gocognit,cyclop,dupl
func (m *MessageBusParser) Parse(ctx context.Context, log ethTypes.Log, chainID uint32) (interface{}, error) {
logTopic := log.Topics[0]
iFace, err := func(log ethTypes.Log) (messageBusTypes.EventLog, error) {
switch logTopic {
case messagebus.Topic(messageBusTypes.ExecutedEvent):
iFace, err := m.Filterer.ParseExecuted(log)
if err != nil {
return nil, fmt.Errorf("could not parse token : %w", err)
}
return iFace, nil
case messagebus.Topic(messageBusTypes.MessageSentEvent):
iFace, err := m.Filterer.ParseMessageSent(log)
if err != nil {
return nil, fmt.Errorf("could not parse sent message: %w", err)
}
return iFace, nil
case messagebus.Topic(messageBusTypes.CallRevertedEvent):
iFace, err := m.Filterer.ParseCallReverted(log)
if err != nil {
return nil, fmt.Errorf("could not parse sent message: %w", err)
}
return iFace, nil
default:
logger.Warnf("ErrUnknownTopic in messagebus: %s %s chain: %d address: %s", log.TxHash, logTopic.String(), chainID, log.Address.Hex())
return nil, fmt.Errorf(ErrUnknownTopic)
}
}(log)
if err != nil {
// Switch failed.
return nil, err
}
if iFace == nil {
// Unknown topic.
return nil, fmt.Errorf("unknwn topic")
}
// populate message event type so following operations can mature the event data.
messageEvent := eventToMessageEvent(iFace, chainID)
// Get timestamp from consumer
timeStamp, err := m.consumerFetcher.FetchBlockTime(ctx, int(chainID), int(iFace.GetBlockNumber()))
if err != nil {
return nil, fmt.Errorf("could not get block time: %w", err)
}
// If we have a timestamp, populate the following attributes of messageEvent.
timeStampBig := uint64(*timeStamp)
messageEvent.TimeStamp = &timeStampBig
if messageEvent.Fee != nil {
switch messageEvent.ChainID {
case 8217: // Klaytn
coinGeckoID := "klay-token"
feeValue, err := m.getFeeValue(ctx, messageEvent, coinGeckoID)
if err != nil {
return nil, err
}
messageEvent.FeeUSD = feeValue
case 53935: // DFK
coinGeckoID := "defi-kingdoms"
feeValue, err := m.getFeeValue(ctx, messageEvent, coinGeckoID)
if err != nil {
return nil, err
}
messageEvent.FeeUSD = feeValue
case 1666600000: // Harmony
coinGeckoID := "harmony"
feeValue, err := m.getFeeValue(ctx, messageEvent, coinGeckoID)
if err != nil {
return nil, err
}
messageEvent.FeeUSD = feeValue
default:
// pass
}
}
return messageEvent, nil
}
func (m *MessageBusParser) getFeeValue(ctx context.Context, messageEvent model.MessageBusEvent, coinGeckoID string) (*float64, error) {
tokenPrice := m.tokenPriceService.GetPriceData(ctx, int(*messageEvent.TimeStamp), coinGeckoID)
if tokenPrice == nil {
return nil, fmt.Errorf("MESSAGEBUS could not get token price for coingeckotoken: %s chain: %d txhash %s %d", coinGeckoID, messageEvent.ChainID, messageEvent.TxHash, messageEvent.TimeStamp)
}
price := GetAmountUSD(messageEvent.Fee, 18, tokenPrice)
if price != nil {
return price, nil
}
return nil, fmt.Errorf("MESSAGEBUS could not convert token price: %s chain: %d txhash %s %d", coinGeckoID, messageEvent.ChainID, messageEvent.TxHash, messageEvent.TimeStamp)
}