feat(规则): 支持同一事件多规则按条件区分并全部发送
Motivation: 止盈、止损等不同策略信号会映射到同一事件(如 trade.close),但原有唯一约束要求每个事件只能有一条规则,无法按策略区分处理。放开该约束后,同一事件可配置多条规则,通过规则条件与精确/通配优先级区分,命中条件的规则全部发送;同时将去重键从消息原文改为信号维度,避免同一信号因时间戳等无关字段差异被误判为重复。 Changes: * 移除规则 source_id+event 的唯一约束,改为普通索引 * 事件匹配改为返回命中优先级内所有启用规则,并按 ID 逐条派发 * 通知服务遍历多条规则,按条件过滤后聚合发送渠道 * 去重键由消息 body 哈希改为策略/币种/周期/方向/价格信号维度哈希
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@@ -4,6 +4,10 @@ import (
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"context"
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"crypto/sha256"
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"encoding/hex"
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"encoding/json"
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"fmt"
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"strconv"
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"strings"
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"sync"
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"time"
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@@ -20,6 +24,52 @@ func MessageHash(body []byte) string {
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return hex.EncodeToString(sum[:])
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}
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func SignalHash(data map[string]interface{}) string {
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sum := sha256.Sum256([]byte(signalKey(data)))
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return hex.EncodeToString(sum[:])
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}
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func signalKey(data map[string]interface{}) string {
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if data == nil {
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data = map[string]interface{}{}
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}
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strategy := fieldString(data["strategyCode"])
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symbol := firstNonEmptyField(fieldString(data["symbol"]), fieldString(data["currency"]))
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period := fieldString(data["period"])
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direction := strings.ToUpper(firstNonEmptyField(fieldString(data["direction"]), fieldString(data["side"])))
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price := fieldString(data["price"])
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return strings.Join([]string{strategy, symbol, period, direction, price}, "\x1f")
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}
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func firstNonEmptyField(a, b string) string {
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if a != "" {
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return a
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}
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return b
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}
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func fieldString(v any) string {
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if v == nil {
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return ""
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}
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switch n := v.(type) {
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case string:
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return strings.TrimSpace(n)
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case float64:
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return strconv.FormatFloat(n, 'f', -1, 64)
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case float32:
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return strconv.FormatFloat(float64(n), 'f', -1, 64)
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case int:
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return strconv.Itoa(n)
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case int64:
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return strconv.FormatInt(n, 10)
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case json.Number:
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return n.String()
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default:
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return strings.TrimSpace(fmt.Sprint(v))
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}
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}
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type MemoryDeduper struct {
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mu sync.Mutex
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seen map[string]struct{}
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