feat: 接入 USDT-M 合约数据 — type 字段方案
- PairType 定义移至 types/kline.ts (spot/um/cm) - Kline 接口新增 type 字段,全链路透传 - klines 5列复合主键 (exchange, symbol, type, interval, time) - 拆出 BinanceFuturesRestClient (USDMClient) - exchanges/index.ts 注册 binance_futures - trading_pairs 唯一约束加 type,种子数据加合约对 - 12个连续聚合视图 SELECT/GROUP BY/INDEX 加 type - 清理 bnkline.ts 废弃代码和 pair.ts 空函数
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@@ -21,9 +21,10 @@ import {
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} from "typeorm";
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import { Exchange } from "./exchange.entity";
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import { CommonBaseEntity } from "./common.entity";
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import type { KlineInterval, PairType } from '../../types';
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@Entity("trading_pairs")
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@Index(["exchange", "symbol"], { unique: true }) // 同一交易所下 symbol 唯一
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@Index(["exchange", "symbol", "type"], { unique: true }) // 同一交易所下 symbol + type 唯一
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@Index(["active"]) // 按激活状态快速筛选
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export class TradingPair extends CommonBaseEntity {
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/** 所属交易所 */
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@@ -35,6 +36,10 @@ export class TradingPair extends CommonBaseEntity {
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@Column("varchar", { length: 20 })
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symbol!: string;
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/** 交易对类型(如 spot) */
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@Column("text", { default: 'spot' })
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type!: PairType;
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/** 基础币种(如 BTC) */
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@Column("varchar", { length: 10 })
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base_asset!: string;
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