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add query binance history data

This commit is contained in:
王性驊 2025-08-05 22:11:01 +08:00
parent 5451ca1992
commit 56a62912b0
17 changed files with 160 additions and 76 deletions
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5
Makefile
View File

@ -21,3 +21,8 @@ gen-rpc: # 建立 rpc code
$(GO_CTL_NAME) rpc protoc ./generate/rpc/blockchain.proto -m --style=$(GO_ZERO_STYLE) --go_out=./gen_result/pb --go-grpc_out=./gen_result/pb --zrpc_out=.
go mod tidy
@echo "Generate core-api files successfully"
fmt: # 格式優化
$(GOFMT) -w $(GOFILES)
goimports -w ./
golangci-lint run

7
blockchain.go
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@ -2,9 +2,10 @@ package main
import (
"flag"
"fmt"
"blockchain/gen_result/pb/code.30cm.net/digimon/app-cloudep-blockchain"
"github.com/zeromicro/go-zero/core/logx"
app_cloudep_blockchain "blockchain/gen_result/pb/code.30cm.net/digimon/app-cloudep-blockchain"
"blockchain/internal/config"
blockchainserviceServer "blockchain/internal/server/blockchainservice"
"blockchain/internal/svc"
@ -34,6 +35,6 @@ func main() {
})
defer s.Stop()
fmt.Printf("Starting rpc server at %s...\n", c.ListenOn)
logx.Infof("Starting rpc server at %s...\n", c.ListenOn)
s.Start()
}

2
client/blockchainservice/blockchain_service.go
View File

@ -7,7 +7,7 @@ package blockchainservice
import (
"context"
"blockchain/gen_result/pb/code.30cm.net/digimon/app-cloudep-blockchain"
app_cloudep_blockchain "blockchain/gen_result/pb/code.30cm.net/digimon/app-cloudep-blockchain"
"github.com/zeromicro/go-zero/zrpc"
"google.golang.org/grpc"

1
etc/blockchain.yaml
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@ -8,6 +8,7 @@ Binance:
Key: ""
Secret: ""
TestMode: true
WorkerSize: 2048
RedisCluster:
Host: 127.0.0.1:6379

5
gen_result/pb/code.30cm.net/digimon/app-cloudep-blockchain/blockchain.pb.go
View File

@ -7,11 +7,12 @@
package app_cloudep_blockchain
import (
protoreflect "google.golang.org/protobuf/reflect/protoreflect"
protoimpl "google.golang.org/protobuf/runtime/protoimpl"
reflect "reflect"
sync "sync"
unsafe "unsafe"
protoreflect "google.golang.org/protobuf/reflect/protoreflect"
protoimpl "google.golang.org/protobuf/runtime/protoimpl"
)
const (

1
gen_result/pb/code.30cm.net/digimon/app-cloudep-blockchain/blockchain_grpc.pb.go
View File

@ -8,6 +8,7 @@ package app_cloudep_blockchain
import (
context "context"
grpc "google.golang.org/grpc"
codes "google.golang.org/grpc/codes"
status "google.golang.org/grpc/status"

4
go.mod
View File

@ -4,6 +4,8 @@ go 1.24.4
require (
github.com/alicebob/miniredis/v2 v2.35.0
github.com/panjf2000/ants/v2 v2.11.3
github.com/stretchr/testify v1.10.0
github.com/zeromicro/go-zero v1.8.5
google.golang.org/grpc v1.74.2
google.golang.org/protobuf v1.36.6
@ -13,8 +15,10 @@ require (
github.com/bitly/go-simplejson v0.5.0 // indirect
github.com/gorilla/websocket v1.5.3 // indirect
github.com/jpillora/backoff v1.0.0 // indirect
github.com/pmezard/go-difflib v1.0.0 // indirect
github.com/shopspring/decimal v1.4.0 // indirect
github.com/yuin/gopher-lua v1.1.1 // indirect
golang.org/x/sync v0.16.0 // indirect
)
require (

1
internal/config/config.go
View File

@ -16,4 +16,5 @@ type Binance struct {
Key string
Secret string
TestMode bool
WorkerSize int64
}

1
internal/domain/entity/symbol.go
View File

@ -14,7 +14,6 @@ func (s *Symbol) TableName() string {
return "symbol"
}
// Symbol 這個是幣安的
// type Symbol struct {
// Symbol string `json:"symbol"` // 交易對名稱（如 "BTCUSDT"）

9
internal/domain/repository/data_source.go
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@ -12,5 +12,12 @@ type DataSourceRepository interface {
type KlineDownloader interface {
// FetchHistoryKline 抓歷史K線資料，startMillis=0 表示從最早，endMillis=0 表示到最新
FetchHistoryKline(ctx context.Context, symbol string, interval string, startMillis, endMillis int64) ([]*entity.Kline, error)
FetchHistoryKline(ctx context.Context, param QueryKline) ([]*entity.Kline, error)
}
type QueryKline struct {
Symbol string
Interval string
StartUnixNano int64
EndUnixNano int64
}

23
internal/logic/blockchainservice/list_symbols_logic.go
View File

@ -4,6 +4,8 @@ import (
app_cloudep_blockchain "blockchain/gen_result/pb/code.30cm.net/digimon/app-cloudep-blockchain"
"blockchain/internal/svc"
"context"
"code.30cm.net/digimon/library-go/errs"
"github.com/zeromicro/go-zero/core/logx"
)
@ -22,7 +24,7 @@ func NewListSymbolsLogic(ctx context.Context, svcCtx *svc.ServiceContext) *ListS
}
// ListSymbols retrieves all available trading symbols.
func (l *ListSymbolsLogic) ListSymbols(in *app_cloudep_blockchain.ListSymbolsRequest) (*app_cloudep_blockchain.ListSymbolsResponse, error) {
func (l *ListSymbolsLogic) ListSymbols(_ *app_cloudep_blockchain.ListSymbolsRequest) (*app_cloudep_blockchain.ListSymbolsResponse, error) {
result, err := l.svcCtx.BinanceDataSource.GetSymbols(l.ctx)
if err != nil {
return nil, err
@ -30,14 +32,25 @@ func (l *ListSymbolsLogic) ListSymbols(in *app_cloudep_blockchain.ListSymbolsReq
rpy := make([]*app_cloudep_blockchain.Symbol, 0, len(result))
for _, item := range result {
if item != nil {
rpy = append(rpy, &app_cloudep_blockchain.Symbol{
const maxInt32 = 1<<31 - 1
ap := &app_cloudep_blockchain.Symbol{
Symbol: item.Symbol,
Status: item.Status,
BaseAsset: item.BaseAsset,
BaseAssetPrecision: int32(item.BaseAssetPrecision),
QuoteAsset: item.QuoteAsset,
QuoteAssetPrecision: int32(item.QuoteAssetPrecision),
})
}
if item.BaseAssetPrecision > maxInt32 || item.BaseAssetPrecision < -maxInt32-1 {
return nil, errs.InvalidFormat("BaseAssetPrecision overflow")
}
ap.BaseAssetPrecision = int32(item.BaseAssetPrecision)
if item.QuoteAssetPrecision > maxInt32 || item.QuoteAssetPrecision < -maxInt32-1 {
return nil, errs.InvalidFormat("QuoteAssetPrecision overflow")
}
ap.QuoteAssetPrecision = int32(item.QuoteAssetPrecision)
rpy = append(rpy, ap)
}
}

6
internal/logic/blockchainservice/ping_logic.go
View File

@ -3,7 +3,7 @@ package blockchainservicelogic
import (
"context"
"blockchain/gen_result/pb/code.30cm.net/digimon/app-cloudep-blockchain"
app_cloudep_blockchain "blockchain/gen_result/pb/code.30cm.net/digimon/app-cloudep-blockchain"
"blockchain/internal/svc"
"github.com/zeromicro/go-zero/core/logx"
@ -23,8 +23,6 @@ func NewPingLogic(ctx context.Context, svcCtx *svc.ServiceContext) *PingLogic {
}
}
func (l *PingLogic) Ping(in *app_cloudep_blockchain.NoneReq) (*app_cloudep_blockchain.OKResp, error) {
// todo: add your logic here and delete this line
func (l *PingLogic) Ping(_ *app_cloudep_blockchain.NoneReq) (*app_cloudep_blockchain.OKResp, error) {
return &app_cloudep_blockchain.OKResp{}, nil
}

121
internal/repository/data_source_binance.go
View File

@ -17,6 +17,9 @@ import (
"path/filepath"
"strings"
"sync"
"time"
"github.com/panjf2000/ants/v2"
"github.com/adshao/go-binance/v2"
"github.com/jszwec/csvutil"
@ -34,6 +37,8 @@ type BinanceRepository struct {
Client *binance.Client
rds *redis.Redis
barrier syncx.SingleFlight
workers *ants.Pool
workerSize int64
}
func MustBinanceRepository(param BinanceRepositoryParam) repository.DataSourceRepository {
@ -43,11 +48,14 @@ func MustBinanceRepository(param BinanceRepositoryParam) repository.DataSourceRe
binance.UseTestnet = true
}
client := binance.NewClient(apiKey, secret)
workers, _ := ants.NewPool(int(param.Conf.WorkerSize))
return &BinanceRepository{
Client: client,
rds: param.Redis,
barrier: syncx.NewSingleFlight(),
workerSize: param.Conf.WorkerSize,
workers: workers,
}
}
@ -64,6 +72,7 @@ func (repo *BinanceRepository) GetSymbols(ctx context.Context) ([]*entity.Symbol
} else {
// 如果任何一個反序列化失敗，代表快取可能已損壞，最好是回源重新拉取
canUseCache = false
break
}
}
@ -116,9 +125,49 @@ func (repo *BinanceRepository) GetSymbols(ctx context.Context) ([]*entity.Symbol
return nil, err
}
return val.([]*entity.Symbol), nil
if symbols, ok := val.([]*entity.Symbol); ok {
return symbols, nil
}
return nil, fmt.Errorf("invalid symbol type: %T", val)
}
func (repo *BinanceRepository) FetchHistoryKline(ctx context.Context, param repository.QueryKline) ([]*entity.Kline, error) {
ch := make(chan []*entity.Kline, repo.workerSize)
var wg sync.WaitGroup
start := time.Unix(0, param.StartUnixNano)
end := time.Unix(0, param.EndUnixNano)
// 產生所有天的任務
for d := start; !d.After(end); d = d.AddDate(0, 0, 1) {
day := d
wg.Add(1)
_ = repo.workers.Submit(func() {
defer wg.Done()
klines, err := repo.fetchHistoryKline(ctx, param.Symbol, param.Interval, day.Format(time.DateOnly))
if err == nil && len(klines) > 0 {
ch <- klines // 只要拿到資料就丟進 channel
}
// 沒資料不用丟，避免 nil append
})
}
// 等全部任務完成再關閉 channel
go func() {
wg.Wait()
close(ch)
}()
// 收集所有 K 線
var allKlines []*entity.Kline
for klines := range ch {
allKlines = append(allKlines, klines...)
}
return allKlines, nil
}
// =============
func (repo *BinanceRepository) getSymbolsFromSource(ctx context.Context) ([]binance.Symbol, error) {
if repo.Client == nil {
return nil, fmt.Errorf("binance client not initialized")
@ -138,25 +187,32 @@ func (repo *BinanceRepository) fetchHistoryKline(ctx context.Context, symbol str
symbol = strings.ToUpper(symbol)
zipFile := fmt.Sprintf("%s-%s-%s.zip", symbol, interval, date)
url := fmt.Sprintf("%s/%s/%s/%s", baseURL, symbol, interval, zipFile)
// 先 HEAD 確認檔案是否存在，節省流量
respHead, err := http.Head(url)
if err != nil || respHead.StatusCode != 200 {
return nil, fmt.Errorf("file not found: %s", url)
if err := check(ctx, url); err != nil {
return nil, err
}
// 這個 URL 只可能指向 binance.vision 官方站，已限定字串組合，不可能被用戶控制。
// #nosec G107
// 下載 zip
resp, err := http.Get(url)
if err != nil || resp.StatusCode != 200 {
// 這個 URL 只可能指向 binance.vision 官方站，已限定字串組合，不可能被用戶控制。
// #nosec G107
req, err := http.NewRequestWithContext(ctx, http.MethodGet, url, nil)
if err != nil {
return nil, err
}
client := &http.Client{}
resp, err := client.Do(req)
if err != nil || resp.StatusCode != http.StatusOK {
if resp != nil {
resp.Body.Close()
}
return nil, fmt.Errorf("failed to fetch file %s", url)
}
defer resp.Body.Close()
tmpPath := filepath.Join(os.TempDir(), zipFile)
out, err := os.Create(tmpPath)
if err != nil {
resp.Body.Close()
return nil, err
}
_, _ = io.Copy(out, resp.Body)
@ -167,6 +223,7 @@ func (repo *BinanceRepository) fetchHistoryKline(ctx context.Context, symbol str
r, err := zip.OpenReader(tmpPath)
if err != nil {
os.Remove(tmpPath)
return nil, err
}
defer r.Close()
@ -218,38 +275,24 @@ func (repo *BinanceRepository) fetchHistoryKline(ctx context.Context, symbol str
return result, nil
}
func (repo *BinanceRepository) FetchHistoryKline(ctx context.Context, symbol string, interval string, startMillis, endMillis int64) ([]*entity.Kline, error) {
ch := make(chan []*entity.Kline, poolSize)
var wg sync.WaitGroup
pool, _ := ants.NewPool(poolSize)
defer pool.Release()
// 產生所有天的任務
for d := startDate; !d.After(endDate); d = d.AddDate(0, 0, 1) {
day := d
wg.Add(1)
_ = pool.Submit(func() {
defer wg.Done()
klines, err := fetchOneDayKline(ctx, symbol, interval, day)
if err == nil && len(klines) > 0 {
ch <- klines // 只要拿到資料就丟進 channel
func check(ctx context.Context, url string) error {
// 先 HEAD 確認檔案是否存在，節省流量
// 這個 URL 只可能指向 binance.vision 官方站，已限定字串組合，不可能被用戶控制。
// #nosec G107
req, err := http.NewRequestWithContext(ctx, http.MethodHead, url, nil)
if err != nil {
return err
}
// 沒資料不用丟，避免 nil append
})
client := &http.Client{}
respHead, err := client.Do(req)
if err != nil || respHead.StatusCode != http.StatusOK {
if respHead != nil {
respHead.Body.Close()
}
// 等全部任務完成再關閉 channel
go func() {
wg.Wait()
close(ch)
}()
// 收集所有 K 線
var allKlines []*Kline
for klines := range ch {
allKlines = append(allKlines, klines...)
return fmt.Errorf("file not found: %s", url)
}
defer respHead.Body.Close()
return allKlines, nil
return nil
}

14
internal/repository/data_source_binance_test.go
View File

@ -2,12 +2,15 @@ package repository
import (
"blockchain/internal/config"
"blockchain/internal/domain/repository"
"context"
"fmt"
"sync"
"testing"
"time"
"github.com/stretchr/testify/assert"
miniredis "github.com/alicebob/miniredis/v2"
"github.com/zeromicro/go-zero/core/stores/redis"
)
@ -96,5 +99,14 @@ func TestSymbol(t *testing.T) {
Redis: rdb,
})
repo.FetchHistoryKline(context.Background(), "BTCUSDT", "1m", time.Date(2025, 8, 4, 0, 0, 0, 0, time.UTC).UnixMilli(), 0)
k, err := repo.FetchHistoryKline(context.Background(), repository.QueryKline{
Symbol: "BTCUSDT",
Interval: "1m",
StartUnixNano: time.Date(2025, 8, 3, 0, 0, 0, 0, time.UTC).UnixNano(),
EndUnixNano: time.Date(2025, 8, 4, 0, 0, 0, 0, time.UTC).UnixNano(),
})
assert.NoError(t, err)
for _, item := range k {
fmt.Println(*item)
}
}

4
internal/server/blockchainservice/blockchain_service_server.go
View File

@ -7,8 +7,8 @@ package server
import (
"context"
"blockchain/gen_result/pb/code.30cm.net/digimon/app-cloudep-blockchain"
"blockchain/internal/logic/blockchainservice"
app_cloudep_blockchain "blockchain/gen_result/pb/code.30cm.net/digimon/app-cloudep-blockchain"
blockchainservicelogic "blockchain/internal/logic/blockchainservice"
"blockchain/internal/svc"
)

1
internal/svc/service_context.go
View File

@ -17,7 +17,6 @@ type ServiceContext struct {
}
func NewServiceContext(c config.Config) *ServiceContext {
newRedis, err := redis.NewRedis(c.RedisCluster)
if err != nil {
panic(err)

1
internal/usecase/binance.go
View File

@ -55,5 +55,4 @@ func (use *BinanceUseCase) GetSymbols(ctx context.Context) ([]*usecase.Symbol, e
}
return rpy, nil
}