/
wallet.go
280 lines (227 loc) · 6.24 KB
/
wallet.go
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package wallet
import (
"context"
"encoding/json"
"sort"
"github.com/fox-one/mixin-sdk-go"
"github.com/fox-one/mtg/core"
"github.com/fox-one/pkg/store/db"
"github.com/jinzhu/gorm"
)
func init() {
db.RegisterMigrate(func(db *db.DB) error {
tx := db.Update().Model(core.Output{})
if err := tx.AutoMigrate(core.Output{}).Error; err != nil {
return err
}
if err := tx.AddUniqueIndex("idx_outputs_trace", "trace_id").Error; err != nil {
return err
}
if err := tx.AddIndex("idx_outputs_asset_transfer", "asset_id", "spent_by").Error; err != nil {
return err
}
return nil
})
db.RegisterMigrate(func(db *db.DB) error {
tx := db.Update().Model(core.Transfer{})
if err := tx.AutoMigrate(core.Transfer{}).Error; err != nil {
return err
}
if err := tx.AddUniqueIndex("idx_transfers_trace", "trace_id").Error; err != nil {
return err
}
if err := tx.AddIndex("idx_transfers_handled_passed", "handled", "passed").Error; err != nil {
return err
}
return nil
})
db.RegisterMigrate(func(db *db.DB) error {
tx := db.Update().Model(core.RawTransaction{})
if err := tx.AutoMigrate(core.RawTransaction{}).Error; err != nil {
return err
}
if err := tx.AddUniqueIndex("idx_raw_transactions_trace", "trace_id").Error; err != nil {
return err
}
return nil
})
}
func New(db *db.DB) core.WalletStore {
return &walletStore{db: db}
}
type walletStore struct {
db *db.DB
}
func afterFindOutput(output *core.Output) {
var utxo mixin.MultisigUTXO
if err := json.Unmarshal(output.Data, &utxo); err == nil {
output.UTXO = &utxo
}
}
func save(db *db.DB, output *core.Output) error {
tx := db.Update().Model(output).Where("trace_id = ?", output.TraceID).Updates(map[string]interface{}{
"data": output.Data,
"state": output.State,
"version": gorm.Expr("version + 1"),
})
if tx.Error != nil {
return tx.Error
}
if tx.RowsAffected == 0 {
return tx.Update().Create(output).Error
}
return nil
}
func (s *walletStore) Save(_ context.Context, outputs []*core.Output) error {
return s.db.Tx(func(tx *db.DB) error {
for _, utxo := range outputs {
if err := save(tx, utxo); err != nil {
return err
}
}
return nil
})
}
func (s *walletStore) List(_ context.Context, fromID int64, limit int) ([]*core.Output, error) {
var outputs []*core.Output
if err := s.db.View().
Where("id > ?", fromID).
Limit(limit).
Order("id").
Find(&outputs).Error; err != nil {
return nil, err
}
for _, output := range outputs {
afterFindOutput(output)
}
return outputs, nil
}
func (s *walletStore) ListSpentBy(ctx context.Context, assetID string, spentBy string) ([]*core.Output, error) {
var outputs []*core.Output
if err := s.db.View().
Where("asset_id = ? AND spent_by = ?", assetID, spentBy).
Order("id").
Find(&outputs).Error; err != nil {
return nil, err
}
for _, output := range outputs {
afterFindOutput(output)
}
return outputs, nil
}
func (s *walletStore) ListUnspent(_ context.Context, assetID string, limit int) ([]*core.Output, error) {
var outputs []*core.Output
if err := s.db.View().
Where("asset_id = ? AND spent_by = ?", assetID, "").
Limit(limit).
Order("id").
Find(&outputs).Error; err != nil {
return nil, err
}
for _, output := range outputs {
afterFindOutput(output)
}
return outputs, nil
}
func afterFindTransfer(transfer *core.Transfer) {
if transfer.Threshold == 0 {
transfer.Threshold = uint8(len(transfer.Opponents))
}
}
func (s *walletStore) CreateTransfers(_ context.Context, transfers []*core.Transfer) error {
sort.Slice(transfers, func(i, j int) bool {
return transfers[i].TraceID < transfers[j].TraceID
})
return s.db.Tx(func(tx *db.DB) error {
for _, transfer := range transfers {
if err := tx.Update().Where("trace_id = ?", transfer.TraceID).FirstOrCreate(transfer).Error; err != nil {
return err
}
}
return nil
})
}
func updateTransfer(db *db.DB, transfer *core.Transfer) error {
return db.Update().Model(transfer).Updates(map[string]interface{}{
"handled": transfer.Handled,
"passed": transfer.Passed,
}).Error
}
func (s *walletStore) UpdateTransfer(ctx context.Context, transfer *core.Transfer) error {
return updateTransfer(s.db, transfer)
}
func (s *walletStore) ListPendingTransfers(_ context.Context) ([]*core.Transfer, error) {
var transfers []*core.Transfer
if err := s.db.View().
Where("handled = ?", 0).
Limit(128).
Order("id").
Find(&transfers).Error; err != nil {
return nil, err
}
// filter by asset id
filter := make(map[string]bool)
var idx int
for _, t := range transfers {
if filter[t.AssetID] {
continue
}
transfers[idx] = t
filter[t.AssetID] = true
idx++
}
transfers = transfers[:idx]
for _, t := range transfers {
afterFindTransfer(t)
}
return transfers, nil
}
func (s *walletStore) ListNotPassedTransfers(ctx context.Context) ([]*core.Transfer, error) {
var transfers []*core.Transfer
if err := s.db.View().
Where("handled = ? AND passed = ?", 1, 0).
Limit(128).
Order("id").
Find(&transfers).Error; err != nil {
return nil, err
}
for _, t := range transfers {
afterFindTransfer(t)
}
return transfers, nil
}
func (s *walletStore) Spent(_ context.Context, outputs []*core.Output, transfer *core.Transfer) error {
return s.db.Tx(func(tx *db.DB) error {
for _, output := range outputs {
if err := tx.Update().Model(output).Updates(map[string]interface{}{
"spent_by": transfer.TraceID,
}).Error; err != nil {
return err
}
}
transfer.Handled = true
if transfer.ID > 0 {
if err := updateTransfer(tx, transfer); err != nil {
return err
}
} else {
if err := tx.Update().Create(transfer).Error; err != nil {
return err
}
}
return nil
})
}
func (s *walletStore) CreateRawTransaction(_ context.Context, tx *core.RawTransaction) error {
return s.db.Update().Where("trace_id = ?", tx.TraceID).FirstOrCreate(tx).Error
}
func (s *walletStore) ListPendingRawTransactions(_ context.Context, limit int) ([]*core.RawTransaction, error) {
var txs []*core.RawTransaction
if err := s.db.View().Limit(limit).Find(&txs).Error; err != nil {
return nil, err
}
return txs, nil
}
func (s *walletStore) ExpireRawTransaction(_ context.Context, tx *core.RawTransaction) error {
return s.db.Update().Model(tx).Where("id = ?", tx.ID).Delete(tx).Error
}