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package usecase
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2024-10-29 14:49:47 +00:00
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import (
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"app-cloudep-trade-service/internal/domain/wallet"
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"context"
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"github.com/shopspring/decimal"
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)
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// WalletQueryUseCase 定義所有查詢行為(餘額查詢、檢查、歷史記錄)的行為
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type WalletQueryUseCase interface {
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// Balance 用戶餘額
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Balance(ctx context.Context, req BalanceReq) ([]Balance, error)
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// CheckBalance 根據tx檢查用戶餘額是否足夠
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CheckBalance(ctx context.Context, tx Transaction) error
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// HistoryBalance 歷史餘額變化
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HistoryBalance(ctx context.Context, req BalanceReq) ([]Balance, error)
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}
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// WalletOperationUseCase 定義所有錢包操作(提款、充值、凍結等)的行為
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type WalletOperationUseCase interface {
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// Withdraw 提款
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Withdraw(ctx context.Context, tx Transaction) error
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// Deposit 充值
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Deposit(ctx context.Context, tx Transaction) error
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// DepositUnconfirmed 增加限制餘額
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DepositUnconfirmed(ctx context.Context, tx Transaction) error
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// Freeze 凍結
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Freeze(ctx context.Context, tx Transaction) error
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// AppendFreeze 追加凍結金額
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AppendFreeze(ctx context.Context, tx Transaction) error
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// UnFreeze 解凍
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UnFreeze(ctx context.Context, tx Transaction) error
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// RollbackFreeze Rollback 凍結,不可指定金額(剩餘order凍結金額)
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RollbackFreeze(ctx context.Context, tx Transaction) error
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// RollbackFreezeAddAvailable Rollback剩餘凍結,可指定金額(剩餘order凍結金額)
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RollbackFreezeAddAvailable(ctx context.Context, tx Transaction) error
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// CancelFreeze 取消凍結,可指定金額
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CancelFreeze(ctx context.Context, tx Transaction) error
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// Unconfirmed 增加限制
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Unconfirmed(ctx context.Context, tx Transaction) error
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}
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// WalletUseCase 基礎操作類別
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type WalletUseCase interface {
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WalletOperationUseCase
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WalletQueryUseCase
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}
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// Transaction 交易
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type Transaction struct {
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OrderID string // 交易訂單
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UID string // 交易發起人
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ToUID string // 交易接收人
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Currency string // 幣別
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Amount decimal.Decimal // 交易金額
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BeforeBalance decimal.Decimal // 交易前餘額
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Type wallet.TransactionType // 交易種類
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BusinessType wallet.BusinessLogic // 商業種類
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Brand string // 轉帳平台
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From wallet.BalanceType // 從哪種錢包類型
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To wallet.BalanceType // 到哪種錢包類型
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}
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type BalanceReq struct {
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UID string // 用戶 UID
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Currency string // 幣值
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BeforeHour int // 在某個時段之前
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}
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type Balance struct {
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Currency string `json:"currency"`
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Available decimal.Decimal `json:"available"`
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Unavailable UnavailableBalance `json:"unavailable"`
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UpdateTime int64 `json:"update_time"`
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}
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type UnavailableBalance struct {
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Freeze decimal.Decimal `json:"freeze"`
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Unconfirmed decimal.Decimal `json:"unconfirmed"`
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}
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