diff --git a/pkg/exchange/bitget/stream_test.go b/pkg/exchange/bitget/stream_test.go index 506abdfb8..ed05e16c4 100644 --- a/pkg/exchange/bitget/stream_test.go +++ b/pkg/exchange/bitget/stream_test.go @@ -354,19 +354,21 @@ func Test_parseWebSocketEvent_MarketTrade(t *testing.T) { "instId":"BTCUSDT" }, "data":[ - [ - "1697697791663", - "28303.43", - "0.0452", - "sell" - ], - [ - "1697697794663", - "28345.67", - "0.1234", - "sell" - ] - ], + { + "ts":"1723476690562", + "price":"59440.52", + "size":"0.018545", + "side":"sell", + "tradeId":"1206914205132210181" + }, + { + "ts":"1723476690562", + "price":"59440.52", + "size":"0.001255", + "side":"sell", + "tradeId":"1206914205132210179" + } + ], "ts":1697697791670 }` @@ -378,17 +380,19 @@ func Test_parseWebSocketEvent_MarketTrade(t *testing.T) { assert.Equal(t, MarketTradeEvent{ Events: MarketTradeSlice{ { - Ts: types.NewMillisecondTimestampFromInt(1697697791663), - Price: fixedpoint.NewFromFloat(28303.43), - Size: fixedpoint.NewFromFloat(0.0452), - Side: "sell", + Ts: types.NewMillisecondTimestampFromInt(1723476690562), + Price: fixedpoint.NewFromFloat(59440.52), + Size: fixedpoint.NewFromFloat(0.018545), + Side: "sell", + TradeId: 1206914205132210181, }, { - Ts: types.NewMillisecondTimestampFromInt(1697697794663), - Price: fixedpoint.NewFromFloat(28345.67), - Size: fixedpoint.NewFromFloat(0.1234), - Side: "sell", + Ts: types.NewMillisecondTimestampFromInt(1723476690562), + Price: fixedpoint.NewFromFloat(59440.52), + Size: fixedpoint.NewFromFloat(0.001255), + Side: "sell", + TradeId: 1206914205132210179, }, }, actionType: actionType, @@ -407,29 +411,6 @@ func Test_parseWebSocketEvent_MarketTrade(t *testing.T) { }) }) - t.Run("Unexpected length of market trade", func(t *testing.T) { - input := `{ - "action":"%s", - "arg":{ - "instType":"sp", - "channel":"trade", - "instId":"BTCUSDT" - }, - "data":[ - [ - "1697697791663", - "28303.43", - "28303.43", - "0.0452", - "sell" - ] - ], - "ts":1697697791670 - }` - _, err := parseWebSocketEvent([]byte(input)) - assert.ErrorContains(t, err, "unexpected trades length") - }) - t.Run("Unexpected timestamp", func(t *testing.T) { input := `{ "action":"%s", @@ -438,18 +419,11 @@ func Test_parseWebSocketEvent_MarketTrade(t *testing.T) { "channel":"trade", "instId":"BTCUSDT" }, - "data":[ - [ - "TIMESTAMP", - "28303.43", - "0.0452", - "sell" - ] - ], + "data":[{"ts":"TIMESTAMP","price":"59440.52","size":"0.018545","side":"sell","tradeId":"1206914205132210181"},{"ts":"1723476690562","price":"59440.52","size":"0.001255","side":"sell","tradeId":"1206914205132210179"}], "ts":1697697791670 }` _, err := parseWebSocketEvent([]byte(input)) - assert.ErrorContains(t, err, "timestamp") + assert.ErrorContains(t, err, "failed to unmarshal data") }) t.Run("Unexpected price", func(t *testing.T) { @@ -460,18 +434,11 @@ func Test_parseWebSocketEvent_MarketTrade(t *testing.T) { "channel":"trade", "instId":"BTCUSDT" }, - "data":[ - [ - "1697697791663", - "1p", - "0.0452", - "sell" - ] - ], + "data":[{"ts":"1723476690562","price":"UNEXPECTED","size":"0.018545","side":"sell","tradeId":"1206914205132210181"},{"ts":"1723476690562","price":"59440.52","size":"0.001255","side":"sell","tradeId":"1206914205132210179"}], "ts":1697697791670 }` _, err := parseWebSocketEvent([]byte(input)) - assert.ErrorContains(t, err, "price") + assert.ErrorContains(t, err, "failed to unmarshal data") }) t.Run("Unexpected size", func(t *testing.T) { @@ -482,18 +449,11 @@ func Test_parseWebSocketEvent_MarketTrade(t *testing.T) { "channel":"trade", "instId":"BTCUSDT" }, - "data":[ - [ - "1697697791663", - "28303.43", - "2v", - "sell" - ] - ], + "data":[{"ts":"1723476690562","price":"59440.52","size":"2v","side":"sell","tradeId":"1206914205132210181"},{"ts":"1723476690562","price":"59440.52","size":"0.001255","side":"sell","tradeId":"1206914205132210179"}], "ts":1697697791670 }` _, err := parseWebSocketEvent([]byte(input)) - assert.ErrorContains(t, err, "size") + assert.ErrorContains(t, err, "failed to unmarshal data") }) t.Run("Unexpected side", func(t *testing.T) { @@ -504,18 +464,11 @@ func Test_parseWebSocketEvent_MarketTrade(t *testing.T) { "channel":"trade", "instId":"BTCUSDT" }, - "data":[ - [ - "1697697791663", - "28303.43", - "0.0452", - 12345 - ] - ], + "data":[{"ts":"1723476690562","price":"59440.52","size":"0.018545","side":"ssss","tradeId":"1206914205132210181"},{"ts":"1723476690562","price":"59440.52","size":"0.001255","side":"sell","tradeId":"1206914205132210179"}], "ts":1697697791670 }` _, err := parseWebSocketEvent([]byte(input)) - assert.ErrorContains(t, err, "side") + assert.ErrorContains(t, err, "failed to unmarshal data") }) } diff --git a/pkg/exchange/bitget/types.go b/pkg/exchange/bitget/types.go index 478942efe..3e186e1c8 100644 --- a/pkg/exchange/bitget/types.go +++ b/pkg/exchange/bitget/types.go @@ -162,6 +162,22 @@ const ( SideSell SideType = "sell" ) +func (s *SideType) UnmarshalJSON(b []byte) error { + var a string + err := json.Unmarshal(b, &a) + if err != nil { + return err + } + + switch SideType(a) { + case SideSell, SideBuy: + *s = SideType(a) + return nil + default: + return fmt.Errorf("unexpected side type: %s", b) + } +} + func (s SideType) ToGlobal() (types.SideType, error) { switch s { case SideBuy: @@ -174,77 +190,15 @@ func (s SideType) ToGlobal() (types.SideType, error) { } type MarketTrade struct { - Ts types.MillisecondTimestamp - Price fixedpoint.Value - Size fixedpoint.Value - Side SideType + Ts types.MillisecondTimestamp + Price fixedpoint.Value + Size fixedpoint.Value + Side SideType + TradeId types.StrInt64 } type MarketTradeSlice []MarketTrade -func (m *MarketTradeSlice) UnmarshalJSON(b []byte) error { - if m == nil { - return errors.New("nil pointer of market trade slice") - } - s, err := parseMarketTradeSliceJSON(b) - if err != nil { - return err - } - - *m = s - return nil -} - -// ParseMarketTradeSliceJSON tries to parse a 2 dimensional string array into a MarketTradeSlice -// -// [ -// -// [ -// "1697694819663", -// "28312.97", -// "0.1653", -// "sell" -// ], -// [ -// "1697694818663", -// "28313", -// "0.1598", -// "buy" -// ] -// -// ] -func parseMarketTradeSliceJSON(in []byte) (slice MarketTradeSlice, err error) { - var rawTrades [][]json.RawMessage - - err = json.Unmarshal(in, &rawTrades) - if err != nil { - return slice, err - } - - for _, raw := range rawTrades { - if len(raw) != 4 { - return nil, fmt.Errorf("unexpected trades length: %d, data: %q", len(raw), raw) - } - var trade MarketTrade - if err = json.Unmarshal(raw[0], &trade.Ts); err != nil { - return nil, fmt.Errorf("failed to unmarshal into timestamp: %q", raw[0]) - } - if err = json.Unmarshal(raw[1], &trade.Price); err != nil { - return nil, fmt.Errorf("failed to unmarshal into price: %q", raw[1]) - } - if err = json.Unmarshal(raw[2], &trade.Size); err != nil { - return nil, fmt.Errorf("failed to unmarshal into size: %q", raw[2]) - } - if err = json.Unmarshal(raw[3], &trade.Side); err != nil { - return nil, fmt.Errorf("failed to unmarshal into side: %q", raw[3]) - } - - slice = append(slice, trade) - } - - return slice, nil -} - func (m MarketTrade) ToGlobal(symbol string) (types.Trade, error) { side, err := m.Side.ToGlobal() if err != nil { @@ -252,7 +206,7 @@ func (m MarketTrade) ToGlobal(symbol string) (types.Trade, error) { } return types.Trade{ - ID: 0, // not supported + ID: uint64(m.TradeId), OrderID: 0, // not supported Exchange: types.ExchangeBitget, Price: m.Price,