add list symbols

internal/logic/blockchainservice/list_symbols_logic.go

@@ -1,11 +1,9 @@
 package blockchainservicelogic
 
 import (
-	"context"
-
 	app_cloudep_blockchain "blockchain/gen_result/pb/code.30cm.net/digimon/app-cloudep-blockchain"
 	"blockchain/internal/svc"
-
+	"context"
 	"github.com/zeromicro/go-zero/core/logx"
 )
 
@@ -29,10 +27,9 @@ func (l *ListSymbolsLogic) ListSymbols(in *app_cloudep_blockchain.ListSymbolsReq
 	if err != nil {
 		return nil, err
 	}
-
 	rpy := make([]*app_cloudep_blockchain.Symbol, 0, len(result))
-
 	for _, item := range result {
+		if item != nil {
 			rpy = append(rpy, &app_cloudep_blockchain.Symbol{
 				Symbol:              item.Symbol,
 				Status:              item.Status,
@@ -42,6 +39,7 @@ func (l *ListSymbolsLogic) ListSymbols(in *app_cloudep_blockchain.ListSymbolsReq
 				QuoteAssetPrecision: int32(item.QuoteAssetPrecision),
 			})
 		}
+	}
 
 	return &app_cloudep_blockchain.ListSymbolsResponse{
 		Symbols: rpy,

internal/usecase/binance.go

@@ -42,7 +42,7 @@ func (use *BinanceUseCase) GetSymbols(ctx context.Context) ([]*usecase.Symbol, e
 		return nil, e
 	}
 
-	rpy := make([]*usecase.Symbol, len(result))
+	rpy := make([]*usecase.Symbol, 0, len(result))
 	for _, item := range result {
 		rpy = append(rpy, &usecase.Symbol{
 			Symbol:              item.Symbol,