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package database
import (
"errors"
"gorm.io/gorm"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/common/hexutil"
"github.com/google/uuid"
)
/**
* Types
*/
type Transaction struct {
FromAddress common.Address `gorm:"serializer:json"`
ToAddress common.Address `gorm:"serializer:json"`
Amount U256
Data hexutil.Bytes `gorm:"serializer:json"`
Timestamp uint64
}
type TokenPair struct {
L1TokenAddress common.Address `gorm:"serializer:json"`
L2TokenAddress common.Address `gorm:"serializer:json"`
}
type Deposit struct {
GUID uuid.UUID `gorm:"primaryKey"`
InitiatedL1EventGUID string
Tx Transaction `gorm:"embedded"`
TokenPair TokenPair `gorm:"embedded"`
}
type DepositWithTransactionHash struct {
Deposit Deposit `gorm:"embedded"`
L1TransactionHash common.Hash `gorm:"serializer:json"`
}
type Withdrawal struct {
GUID uuid.UUID `gorm:"primaryKey"`
InitiatedL2EventGUID string
WithdrawalHash common.Hash `gorm:"serializer:json"`
ProvenL1EventGUID *string
FinalizedL1EventGUID *string
Tx Transaction `gorm:"embedded"`
TokenPair TokenPair `gorm:"embedded"`
}
type WithdrawalWithTransactionHashes struct {
Withdrawal Withdrawal `gorm:"embedded"`
L2TransactionHash common.Hash `gorm:"serializer:json"`
ProvenL1TransactionHash *common.Hash `gorm:"serializer:json"`
FinalizedL1TransactionHash *common.Hash `gorm:"serializer:json"`
}
type BridgeView interface {
DepositsByAddress(address common.Address) ([]*DepositWithTransactionHash, error)
WithdrawalsByAddress(address common.Address) ([]*WithdrawalWithTransactionHashes, error)
}
type BridgeDB interface {
BridgeView
StoreDeposits([]*Deposit) error
StoreWithdrawals([]*Withdrawal) error
MarkProvenWithdrawalEvent(string, string) error
MarkFinalizedWithdrawalEvent(string, string) error
}
/**
* Implementation
*/
type bridgeDB struct {
gorm *gorm.DB
}
func newBridgeDB(db *gorm.DB) BridgeDB {
return &bridgeDB{gorm: db}
}
// Deposits
func (db *bridgeDB) StoreDeposits(deposits []*Deposit) error {
result := db.gorm.Create(&deposits)
return result.Error
}
func (db *bridgeDB) DepositsByAddress(address common.Address) ([]*DepositWithTransactionHash, error) {
depositsQuery := db.gorm.Table("deposits").Select("deposits.*, l1_contract_events.transaction_hash AS l1_transaction_hash")
eventsJoinQuery := depositsQuery.Joins("LEFT JOIN l1_contract_events ON deposits.initiated_l1_event_guid = l1_contract_events.guid")
// add in cursoring options
filteredQuery := eventsJoinQuery.Where(&Transaction{FromAddress: address}).Order("deposits.timestamp DESC").Limit(100)
deposits := make([]*DepositWithTransactionHash, 100)
result := filteredQuery.Scan(&deposits)
if result.Error != nil {
if errors.Is(result.Error, gorm.ErrRecordNotFound) {
return nil, nil
}
return nil, result.Error
}
return deposits, nil
}
// Withdrawals
func (db *bridgeDB) StoreWithdrawals(withdrawals []*Withdrawal) error {
result := db.gorm.Create(&withdrawals)
return result.Error
}
func (db *bridgeDB) MarkProvenWithdrawalEvent(guid, provenL1EventGuid string) error {
var withdrawal Withdrawal
result := db.gorm.First(&withdrawal, "guid = ?", guid)
if result.Error != nil {
return result.Error
}
withdrawal.ProvenL1EventGUID = &provenL1EventGuid
result = db.gorm.Save(&withdrawal)
return result.Error
}
func (db *bridgeDB) MarkFinalizedWithdrawalEvent(guid, finalizedL1EventGuid string) error {
var withdrawal Withdrawal
result := db.gorm.First(&withdrawal, "guid = ?", guid)
if result.Error != nil {
return result.Error
}
withdrawal.FinalizedL1EventGUID = &finalizedL1EventGuid
result = db.gorm.Save(&withdrawal)
return result.Error
}
func (db *bridgeDB) WithdrawalsByAddress(address common.Address) ([]*WithdrawalWithTransactionHashes, error) {
withdrawalsQuery := db.gorm.Table("withdrawals").Select("withdrawals.*, l2_contract_events.transaction_hash AS l2_transaction_hash, proven_l1_contract_events.transaction_hash AS proven_l1_transaction_hash, finalized_l1_contract_events.transaction_hash AS finalized_l1_transaction_hash")
eventsJoinQuery := withdrawalsQuery.Joins("LEFT JOIN l2_contract_events ON withdrawals.initiated_l2_event_guid = l2_contract_events.guid")
provenJoinQuery := eventsJoinQuery.Joins("LEFT JOIN l1_contract_events AS proven_l1_contract_events ON withdrawals.proven_l1_event_guid = proven_l1_contract_events.guid")
finalizedJoinQuery := provenJoinQuery.Joins("LEFT JOIN l1_contract_events AS finalized_l1_contract_events ON withdrawals.finalized_l1_event_guid = finalized_l1_contract_events.guid")
// add in cursoring options
filteredQuery := finalizedJoinQuery.Where(&Transaction{FromAddress: address}).Order("withdrawals.timestamp DESC").Limit(100)
withdrawals := make([]*WithdrawalWithTransactionHashes, 100)
result := filteredQuery.Scan(&withdrawals)
if result.Error != nil {
if errors.Is(result.Error, gorm.ErrRecordNotFound) {
return nil, nil
}
return nil, result.Error
}
return withdrawals, nil
}