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main.go
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main.go
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package main
import (
"encoding/json"
"fmt"
"log"
"github.com/DefiantLabs/cosmos-indexer/cmd"
"github.com/DefiantLabs/cosmos-indexer/config"
"github.com/DefiantLabs/cosmos-indexer/db/models"
"github.com/DefiantLabs/cosmos-indexer/filter"
"github.com/DefiantLabs/cosmos-indexer/parsers"
"gorm.io/gorm"
"gorm.io/gorm/clause"
indexerTxTypes "github.com/DefiantLabs/cosmos-indexer/cosmos/modules/tx"
stdTypes "github.com/cosmos/cosmos-sdk/types"
chanTypes "github.com/cosmos/ibc-go/v7/modules/core/04-channel/types"
)
type MsgType int
const (
MsgRecvPacket MsgType = iota
MsgAcknowledgement
)
type TransactionType string
const (
ValidatorUpdatesTransactionType TransactionType = "ValidatorUpdates"
TokenTransferTransactionType TransactionType = "TokenTransfer"
CCVSlashTransactionType TransactionType = "CCVSlash"
CCVVSCMaturedTransactionType TransactionType = "CCVVSCMatured"
)
type IBCTransactionType struct {
ID uint `gorm:"primaryKey"`
TransactionType TransactionType
}
type IBCTransaction struct {
ID uint `gorm:"primaryKey"`
MessageID uint `gorm:"uniqueIndex"`
Message models.Message
IBCMsgType MsgType
IBCTransactionTypeID uint
IBCTransactionType IBCTransactionType
ChainIBCPathID uint
ChainIBCPath ChainIBCPath
}
type ChainIBCPath struct {
ID uint `gorm:"primaryKey"`
ChainID uint `gorm:"uniqueIndex:chain_ibc_path,priority:1"`
Chain models.Chain
ChainChannel string `gorm:"uniqueIndex:chain_ibc_path,priority:2"`
ChainPort string `gorm:"uniqueIndex:chain_ibc_path,priority:3"`
OffchainChannel string `gorm:"uniqueIndex:chain_ibc_path,priority:4"`
OffchainPort string `gorm:"uniqueIndex:chain_ibc_path,priority:5"`
}
type IBCTransactionParser struct {
UniqueID string
}
func (c *IBCTransactionParser) Identifier() string {
return c.UniqueID
}
func (c *IBCTransactionParser) ParseMessage(cosmosMsg stdTypes.Msg, log *indexerTxTypes.LogMessage, cfg config.IndexConfig) (*any, error) {
// Check if this is a MsgAcknowledgement
msgAck, okMsgAck := cosmosMsg.(*chanTypes.MsgAcknowledgement)
if okMsgAck {
parsedMsgAck, err := parseMsgAcknowledgement(msgAck)
if err != nil {
return nil, fmt.Errorf("error parsing MsgAcknowledgement: %w", err)
}
anyCast := any(parsedMsgAck)
return &anyCast, nil
}
// Check if this is a MsgRecvPacket
msgRecvPacket, okMsgRecvPacket := cosmosMsg.(*chanTypes.MsgRecvPacket)
if okMsgRecvPacket {
parsedMsgRecvPacket, err := parseMsgRecvPacket(msgRecvPacket)
if err != nil {
return nil, fmt.Errorf("error parsing MsgAcknowledgement: %w", err)
}
anyCast := any(parsedMsgRecvPacket)
return &anyCast, nil
}
return nil, fmt.Errorf("unsupported message type passed to parser")
}
type IBCTransactionParsedData struct {
ParsedIBCMessage *IBCTransaction
IBCTransactionType *IBCTransactionType
ChainIBCPath *ChainIBCPath
}
func parseMsgAcknowledgement(msg *chanTypes.MsgAcknowledgement) (IBCTransactionParsedData, error) {
parsedData := IBCTransactionParsedData{
ParsedIBCMessage: &IBCTransaction{
IBCMsgType: MsgAcknowledgement,
},
}
ibcTransactionType, err := determinePacketType(msg.Packet.Data)
if err != nil {
return parsedData, err
}
parsedData.IBCTransactionType = &ibcTransactionType
parsedData.ChainIBCPath = &ChainIBCPath{
ChainChannel: msg.Packet.GetSourceChannel(),
ChainPort: msg.Packet.GetSourcePort(),
OffchainChannel: msg.Packet.GetDestChannel(),
OffchainPort: msg.Packet.GetDestPort(),
}
return parsedData, nil
}
func parseMsgRecvPacket(msg *chanTypes.MsgRecvPacket) (IBCTransactionParsedData, error) {
parsedData := IBCTransactionParsedData{
ParsedIBCMessage: &IBCTransaction{
IBCMsgType: MsgRecvPacket,
},
}
ibcTransactionType, err := determinePacketType(msg.Packet.Data)
if err != nil {
return parsedData, err
}
if ibcTransactionType.TransactionType == "" {
return parsedData, fmt.Errorf("unsupported packet data")
}
parsedData.IBCTransactionType = &ibcTransactionType
parsedData.ChainIBCPath = &ChainIBCPath{
ChainChannel: msg.Packet.GetDestChannel(),
ChainPort: msg.Packet.GetDestPort(),
OffchainChannel: msg.Packet.GetSourceChannel(),
OffchainPort: msg.Packet.GetSourcePort(),
}
return parsedData, nil
}
type ValidatorUpdates struct {
ValidatorUpdates *[]json.RawMessage `json:"validator_updates"`
ValsetUpdateID *string `json:"valset_update_id"`
}
type TokenTransfer struct {
Denom *string `json:"denom"`
Amount *string `json:"amount"`
Sender *string `json:"sender"`
Receiver *string `json:"receiver"`
}
type VSCMatured struct {
VscMaturedPacketData *json.RawMessage `json:"vscMaturedPacketData"`
}
type Slash struct {
Validator *json.RawMessage `json:"validator"`
ValsetUpdateID *string `json:"valset_update_id"`
}
func determinePacketType(packetData []byte) (IBCTransactionType, error) {
// determine the type of packet by attempting to cast the data to our supported JSON structs
var ibcTransactionType IBCTransactionType
var validatorUpdates ValidatorUpdates
err := json.Unmarshal(packetData, &validatorUpdates)
if err != nil {
return ibcTransactionType, err
}
var tokenTransfer TokenTransfer
err = json.Unmarshal(packetData, &tokenTransfer)
if err != nil {
return ibcTransactionType, err
}
var vscMatured VSCMatured
err = json.Unmarshal(packetData, &vscMatured)
if err != nil {
return ibcTransactionType, err
}
var slash Slash
err = json.Unmarshal(packetData, &slash)
if err != nil {
return ibcTransactionType, err
}
switch {
case validatorUpdates.ValidatorUpdates != nil && len(*validatorUpdates.ValidatorUpdates) > 0 && validatorUpdates.ValsetUpdateID != nil:
ibcTransactionType.TransactionType = ValidatorUpdatesTransactionType
case tokenTransfer.Denom != nil && tokenTransfer.Amount != nil && tokenTransfer.Sender != nil && tokenTransfer.Receiver != nil:
ibcTransactionType.TransactionType = TokenTransferTransactionType
case vscMatured.VscMaturedPacketData != nil:
ibcTransactionType.TransactionType = CCVVSCMaturedTransactionType
case slash.Validator != nil && slash.ValsetUpdateID != nil:
ibcTransactionType.TransactionType = CCVSlashTransactionType
default:
return ibcTransactionType, fmt.Errorf("unsupported packet data")
}
return ibcTransactionType, nil
}
func (c *IBCTransactionParser) IndexMessage(dataset *any, db *gorm.DB, message models.Message, messageEvents []parsers.MessageEventWithAttributes, cfg config.IndexConfig) error {
ibcTransaction, ok := (*dataset).(IBCTransactionParsedData)
if !ok {
return fmt.Errorf("invalid IBC transaction type passed to parser index message function")
}
ibcTransactionType := ibcTransaction.IBCTransactionType
parsedIBCMessage := ibcTransaction.ParsedIBCMessage
// Create or update the IBC transaction type
err := db.Where(&ibcTransactionType).FirstOrCreate(&ibcTransactionType).Error
if err != nil {
return err
}
// Set the IBC transaction type ID on the IBC transaction and link it to the default message model
parsedIBCMessage.IBCTransactionTypeID = ibcTransactionType.ID
parsedIBCMessage.IBCTransactionType = *ibcTransactionType
parsedIBCMessage.Message = message
parsedIBCMessage.MessageID = message.ID
ibcTransaction.ChainIBCPath.ChainID = message.Tx.Block.ChainID
// attempt to find relation for chain path
chainPath := ChainIBCPath{
ChainID: message.Tx.Block.ChainID,
ChainChannel: ibcTransaction.ChainIBCPath.ChainChannel,
ChainPort: ibcTransaction.ChainIBCPath.ChainPort,
OffchainChannel: ibcTransaction.ChainIBCPath.OffchainChannel,
OffchainPort: ibcTransaction.ChainIBCPath.OffchainPort,
}
err = db.Where(&chainPath).FirstOrCreate(&chainPath).Error
if err != nil {
return err
}
parsedIBCMessage.ChainIBCPathID = chainPath.ID
parsedIBCMessage.ChainIBCPath = chainPath
// Create or update the IBC transaction
if err := db.Clauses(clause.OnConflict{
Columns: []clause.Column{{Name: "message_id"}},
DoUpdates: clause.AssignmentColumns([]string{"ibc_msg_type", "ibc_transaction_type_id", "chain_ibc_path_id"}),
}).Create(parsedIBCMessage).Error; err != nil {
return err
}
return nil
}
func main() {
indexer := cmd.GetBuiltinIndexer()
indexer.RegisterCustomModels([]any{IBCTransactionType{}, IBCTransaction{}, ChainIBCPath{}})
// This indexer is only concerned with MsgRecvPacket and MsgAcknowledgement messages, so we create regex filters to only index those messages.
// This significantly reduces the size of the indexed dataset, saving space and processing time.
// We use a regex because the message type so we can match both message types in one filter.
ibcRegexMessageTypeFilter, err := filter.NewRegexMessageTypeFilter("^/ibc.core.channel.v1.Msg(RecvPacket|Acknowledgement)$")
if err != nil {
log.Fatalf("Failed to create regex message type filter. Err: %v", err)
}
indexer.RegisterMessageTypeFilter(ibcRegexMessageTypeFilter)
ibcRecvParser := &IBCTransactionParser{
UniqueID: "ibc-recv-parser",
}
ibcAckParser := &IBCTransactionParser{
UniqueID: "ibc-ack-parser",
}
indexer.RegisterCustomMessageParser("/ibc.core.channel.v1.MsgRecvPacket", ibcRecvParser)
indexer.RegisterCustomMessageParser("/ibc.core.channel.v1.MsgAcknowledgement", ibcAckParser)
err = cmd.Execute()
if err != nil {
log.Fatalf("Failed to execute. Err: %v", err)
}
}