118 lines
3.1 KiB
Plaintext
118 lines
3.1 KiB
Plaintext
generator client {
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provider = "prisma-client-js"
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}
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datasource db {
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provider = "postgresql"
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url = env("DATABASE_URL")
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}
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// 用户表（预留扩展）
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model User {
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id String @id @default(cuid())
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email String @unique
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name String?
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createdAt DateTime @default(now())
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updatedAt DateTime @updatedAt
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accounts Account[]
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}
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// 账户表
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model Account {
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id String @id @default(cuid())
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userId String
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user User @relation(fields: [userId], references: [id])
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name String
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marketType MarketType
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baseCurrency String
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balance Decimal @default(0) @db.Decimal(20, 4)
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createdAt DateTime @default(now())
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updatedAt DateTime @updatedAt
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transactions Transaction[]
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positions Position[]
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@@index([userId])
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}
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enum MarketType {
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US // 美股
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CN // A股
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HK // 港股
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CRYPTO // 加密货币
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}
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// 证券参考表
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model Security {
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id String @id @default(cuid())
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symbol String @unique
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name String
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market MarketType
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currency String
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lotSize Int @default(1) // 港股每手股数，A股=100
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priceDecimals Int @default(2) // 价格精度
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qtyDecimals Int @default(0) // 数量精度：股票=0，crypto=8
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isCrypto Boolean @default(false)
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createdAt DateTime @default(now())
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updatedAt DateTime @updatedAt
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}
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// 交易流水表
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model Transaction {
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id String @id @default(cuid())
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accountId String
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account Account @relation(fields: [accountId], references: [id])
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type TransactionType
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symbol String?
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quantity Decimal? @db.Decimal(20, 8)
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price Decimal? @db.Decimal(20, 8)
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amount Decimal @db.Decimal(20, 4)
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fee Decimal @default(0) @db.Decimal(20, 4)
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networkFee Decimal? @db.Decimal(20, 8)
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currency String
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exchangeRate Decimal? @db.Decimal(20, 8)
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notes String?
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executedAt DateTime
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createdAt DateTime @default(now())
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@@index([accountId, executedAt])
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@@index([symbol])
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}
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enum TransactionType {
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DEPOSIT // 入金
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WITHDRAW // 出金
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BUY // 买入
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SELL // 卖出
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DIVIDEND // 分红
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INTEREST // 利息
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FEE // 费用/手续费
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}
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// 持仓表（查询优化）
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model Position {
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id String @id @default(cuid())
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accountId String
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account Account @relation(fields: [accountId], references: [id])
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symbol String
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quantity Decimal @db.Decimal(20, 8)
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averageCost Decimal @db.Decimal(20, 8)
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currency String
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updatedAt DateTime @updatedAt
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@@unique([accountId, symbol])
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@@index([accountId])
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}
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// 汇率参考表
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model ExchangeRate {
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id String @id @default(cuid())
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fromCurrency String
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toCurrency String
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rate Decimal @db.Decimal(20, 8)
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effectiveDate DateTime
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createdAt DateTime @default(now())
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@@unique([fromCurrency, toCurrency, effectiveDate])
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@@index([fromCurrency, toCurrency])
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}
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