+++ /dev/null
-package database
-
-import (
- "encoding/binary"
- "math"
-
- "github.com/vapor/application/dex/common"
- dbm "github.com/vapor/database/leveldb"
- "github.com/vapor/protocol/bc"
-)
-
-const (
- order byte = iota
- tradePair
- matchStatus
-)
-
-var (
- dexStore = []byte("DEX:")
- ordersPreFix = append(dexStore, order)
- tradePairPreFix = append(dexStore, tradePair)
- bestMatchStore = append(dexStore, matchStatus)
-)
-
-func calcOrdersPrefix(fromAssetID, toAssetID *bc.AssetID, utxoHash *bc.Hash, rate float64) []byte {
- buf := make([]byte, 8)
- binary.BigEndian.PutUint64(buf, math.Float64bits(rate))
- key := append(ordersPreFix, fromAssetID.Bytes()...)
- key = append(key, toAssetID.Bytes()...)
- key = append(key, buf...)
- return append(key, utxoHash.Bytes()...)
-}
-
-func calcTradePairPreFix(fromAssetID, toAssetID *bc.Hash) []byte {
- key := append(ordersPreFix, fromAssetID.Bytes()...)
- return append(key, toAssetID.Bytes()...)
-}
-
-type DexTradeOrderDB struct {
- db dbm.DB
-}
-
-func (d *DexTradeOrderDB) GetTradePairsWithStart(start []byte) ([]common.TradePair, error) {
- return nil, nil
-}
-
-func (d *DexTradeOrderDB) addTradePair() error {
- return nil
-}
-
-func (d *DexTradeOrderDB) deleteTradePair() error {
- return nil
-}
-
-func (d *DexTradeOrderDB) ProcessOrders(addOrders []*common.Order, delOreders []*common.Order, height uint64, blockHash *bc.Hash) error {
-
- return nil
-}
-
-func (d *DexTradeOrderDB) addOrders(orders []*common.Order) error {
- return nil
-}
-
-func (d *DexTradeOrderDB) deleteOrder(orders []*common.Order) error {
- return nil
-}
-
-func (d *DexTradeOrderDB) ListOrders(fromAssetID, toAssetID string, rateAfter float64) ([]*common.Order, error) {
- return nil, nil
-}
-
-func (d *DexTradeOrderDB) GetDexDatabaseState() (*common.DexDatabaseState, error) {
- return nil, nil
-}
-
-func (d *DexTradeOrderDB) saveDexDatabaseState(state *common.DexDatabaseState) error {
- return nil
-}