494 lines
21 KiB
Go
494 lines
21 KiB
Go
package wallet
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import (
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"context"
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"strconv"
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"strings"
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"time"
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"hyapp/pkg/appcode"
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"hyapp/pkg/xerr"
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"hyapp/services/wallet-service/internal/domain/ledger"
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"hyapp/services/wallet-service/internal/service/wallet/ports"
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)
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const (
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mifaPayReceiptOrderDateLookbackDays = 30
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v5PayReceiptCandidateLimit = 32
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)
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// VerifyCoinSellerRechargeReceipt 只读取三方支付商或链上公开数据，给运营返回可复核凭证快照。
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func (s *Service) VerifyCoinSellerRechargeReceipt(ctx context.Context, command ledger.VerifyCoinSellerRechargeReceiptCommand) (ledger.CoinSellerRechargeReceiptVerification, error) {
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command = normalizeVerifyCoinSellerRechargeReceiptCommand(command)
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if err := validateVerifyCoinSellerRechargeReceiptCommand(command); err != nil {
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return ledger.CoinSellerRechargeReceiptVerification{}, err
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}
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ctx = appcode.WithContext(ctx, command.AppCode)
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switch command.ProviderCode {
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case ledger.PaymentProviderMifaPay:
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return s.verifyMifaPayRechargeReceipt(ctx, command)
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case ledger.PaymentProviderV5Pay:
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return s.verifyV5PayRechargeReceipt(ctx, command)
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case ledger.PaymentProviderUSDTTRC20:
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return s.verifyUSDTRechargeReceipt(ctx, command, "trc20", s.externalRecharge.USDTTRC20Enabled, firstNonEmpty(command.ReceiveAddress, s.externalRecharge.usdtTRC20AddressForApp(command.AppCode)), s.tronUSDT)
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case ledger.PaymentProviderUSDTBEP20:
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return s.verifyUSDTRechargeReceipt(ctx, command, "bep20", s.externalRecharge.USDTBEP20Enabled, firstNonEmpty(command.ReceiveAddress, s.externalRecharge.usdtBEP20AddressForApp(command.AppCode)), s.bscUSDT)
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case ledger.PaymentProviderUSDTC2C:
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// C2C 是 Binance 账户内收款事实，不属于 TRON/BSC；空地址和关闭的链上开关不影响只读查单。
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return s.verifyUSDTRechargeReceipt(ctx, command, "c2c", false, "", nil)
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case ledger.PaymentProviderUSDTOffchain:
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// Binance Off-chain 是 Deposit History 中的 TRX 入账事实；后台 SQL 地址优先于 YAML，
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// 但仍要求 TRC20 功能开启，避免已停用的收款链被人工入口绕过。
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return s.verifyUSDTRechargeReceipt(ctx, command, "offchain", s.externalRecharge.USDTTRC20Enabled, firstNonEmpty(command.ReceiveAddress, s.externalRecharge.usdtTRC20AddressForApp(command.AppCode)), nil)
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default:
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return ledger.CoinSellerRechargeReceiptVerification{}, xerr.New(xerr.InvalidArgument, "receipt provider is invalid")
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}
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}
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func normalizeVerifyCoinSellerRechargeReceiptCommand(command ledger.VerifyCoinSellerRechargeReceiptCommand) ledger.VerifyCoinSellerRechargeReceiptCommand {
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command.AppCode = appcode.Normalize(command.AppCode)
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command.RequestID = strings.TrimSpace(command.RequestID)
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command.ProviderCode = ledger.NormalizePaymentProvider(command.ProviderCode)
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command.ExternalOrderNo = strings.TrimSpace(command.ExternalOrderNo)
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command.Chain = normalizeReceiptChain(command.Chain)
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command.ProviderCountryCode = strings.ToUpper(strings.TrimSpace(command.ProviderCountryCode))
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command.ProviderCurrencyCode = strings.ToUpper(strings.TrimSpace(command.ProviderCurrencyCode))
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command.ProviderPayType = strings.TrimSpace(command.ProviderPayType)
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command.ReceiveAddress = strings.TrimSpace(command.ReceiveAddress)
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return command
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}
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func validateVerifyCoinSellerRechargeReceiptCommand(command ledger.VerifyCoinSellerRechargeReceiptCommand) error {
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if command.ProviderCode == "" || command.ExternalOrderNo == "" {
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return xerr.New(xerr.InvalidArgument, "receipt verification request is incomplete")
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}
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if len(command.ExternalOrderNo) > 128 {
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return xerr.New(xerr.InvalidArgument, "external_order_no is too long")
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}
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switch command.ProviderCode {
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case ledger.PaymentProviderUSDTTRC20, ledger.PaymentProviderUSDTBEP20, ledger.PaymentProviderUSDTOffchain:
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if command.USDMinorAmount <= 0 {
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return xerr.New(xerr.InvalidArgument, "usdt receipt amount is invalid")
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}
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}
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return nil
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}
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func (s *Service) verifyMifaPayRechargeReceipt(ctx context.Context, command ledger.VerifyCoinSellerRechargeReceiptCommand) (ledger.CoinSellerRechargeReceiptVerification, error) {
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if s.mifaPay == nil {
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return ledger.CoinSellerRechargeReceiptVerification{}, xerr.New(xerr.Unavailable, "mifapay client is not configured")
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}
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snapshot := s.receiptSnapshot(command)
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orderDateMS := command.OrderDateMS
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if orderDateMS <= 0 {
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// MiFaPay 查单需要订单日期；后台新流程不让运营填写日期，因此优先用本地支付订单快照补齐。
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orderDateMS = s.externalRechargeOrderCreatedAtMS(ctx, command.AppCode, command.ExternalOrderNo, ledger.PaymentProviderMifaPay)
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}
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var lastNotFound string
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for _, orderCreatedAtMS := range s.mifaPayReceiptOrderDateCandidates(orderDateMS) {
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query, err := s.mifaPay.QueryOrder(ctx, MifaPayQueryOrderRequest{
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OrderID: command.ExternalOrderNo,
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OrderCreatedAtMS: orderCreatedAtMS,
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})
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if err != nil {
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if providerOrderNotFound(err) {
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lastNotFound = err.Error()
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continue
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}
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// 签名、HTTP、网络或未知 provider 拒绝都直接返回给后台；这些错误不能被日期回查吞掉。
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snapshot.FailureReason = err.Error()
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return snapshot, nil
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}
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return fillMifaPayReceiptSnapshot(snapshot, command, query), nil
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}
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if orderDateMS > 0 {
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snapshot.FailureReason = firstNonEmpty(lastNotFound, "mifapay order not found")
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} else {
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snapshot.FailureReason = "mifapay order not found in recent 30 days"
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}
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return snapshot, nil
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}
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func fillMifaPayReceiptSnapshot(snapshot ledger.CoinSellerRechargeReceiptVerification, command ledger.VerifyCoinSellerRechargeReceiptCommand, query MifaPayQueryOrderResponse) ledger.CoinSellerRechargeReceiptVerification {
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snapshot.ProviderOrderID = strings.TrimSpace(query.ProviderOrderID)
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snapshot.Status = strings.TrimSpace(query.Status)
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snapshot.CurrencyCode = strings.ToUpper(strings.TrimSpace(query.Currency))
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snapshot.RawJSON = strings.TrimSpace(query.RawJSON)
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amount, amountErr := parseMifaPayReceiptAmountMinor(query.Amount, snapshot.CurrencyCode)
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if amountErr == nil {
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snapshot.ProviderAmountMinor = amount
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}
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if query.OrderID != "" && !strings.EqualFold(query.OrderID, command.ExternalOrderNo) {
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snapshot.FailureReason = "mifapay order id mismatch"
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return snapshot
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}
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if !isMifaPayReceiptPaid(query.Status) {
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snapshot.FailureReason = "mifapay order status " + firstNonEmpty(strings.TrimSpace(query.Status), "unknown")
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return snapshot
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}
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if command.ProviderCurrencyCode != "" && snapshot.CurrencyCode != "" && !strings.EqualFold(snapshot.CurrencyCode, command.ProviderCurrencyCode) {
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snapshot.FailureReason = "mifapay currency mismatch"
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return snapshot
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}
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if amountErr != nil || snapshot.ProviderAmountMinor <= 0 {
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// MiFaPay 付款成功但金额字段缺失/坏值时，后台无法建立资金事实，必须失败而不是退化成只验订单号。
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snapshot.FailureReason = "mifapay amount is invalid"
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return snapshot
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}
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if command.ProviderAmountMinor > 0 {
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if snapshot.ProviderAmountMinor != command.ProviderAmountMinor {
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snapshot.FailureReason = "mifapay amount mismatch"
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return snapshot
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}
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}
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if command.ProviderPayType != "" && query.PayType != "" && !strings.EqualFold(query.PayType, command.ProviderPayType) {
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snapshot.FailureReason = "mifapay pay_type mismatch"
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return snapshot
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}
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snapshot.Verified = true
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return snapshot
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}
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func (s *Service) mifaPayReceiptOrderDateCandidates(orderDateMS int64) []int64 {
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if orderDateMS > 0 {
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return []int64{orderDateMS}
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}
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// 本地没有快照时只按 UTC 自然日做 30 天 bounded 回查，防止一次后台校验演变成无界 provider 扫描。
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now := s.now().UTC()
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startOfToday := time.Date(now.Year(), now.Month(), now.Day(), 0, 0, 0, 0, time.UTC)
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candidates := make([]int64, 0, mifaPayReceiptOrderDateLookbackDays+1)
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for dayOffset := 0; dayOffset <= mifaPayReceiptOrderDateLookbackDays; dayOffset++ {
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candidates = append(candidates, startOfToday.AddDate(0, 0, -dayOffset).UnixMilli())
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}
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return candidates
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}
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func (s *Service) verifyV5PayRechargeReceipt(ctx context.Context, command ledger.VerifyCoinSellerRechargeReceiptCommand) (ledger.CoinSellerRechargeReceiptVerification, error) {
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if s.v5Pay == nil {
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return ledger.CoinSellerRechargeReceiptVerification{}, xerr.New(xerr.Unavailable, "v5pay client is not configured")
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}
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snapshot := s.receiptSnapshot(command)
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candidates, err := s.v5PayReceiptQueryCandidates(ctx, command)
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if err != nil {
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return ledger.CoinSellerRechargeReceiptVerification{}, err
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}
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if len(candidates) == 0 {
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snapshot.FailureReason = "v5pay country/currency candidates are not configured"
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return snapshot, nil
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}
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for _, candidate := range candidates {
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query, err := s.v5Pay.QueryOrder(ctx, V5PayQueryOrderRequest{
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OrderID: command.ExternalOrderNo,
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CountryCode: candidate.CountryCode,
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CurrencyCode: candidate.CurrencyCode,
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})
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if err != nil {
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if providerOrderNotFound(err) {
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continue
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}
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snapshot.FailureReason = err.Error()
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return snapshot, nil
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}
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return fillV5PayReceiptSnapshot(snapshot, command, query), nil
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}
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snapshot.FailureReason = "v5pay order not found for enabled country/currency candidates"
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return snapshot, nil
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}
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func fillV5PayReceiptSnapshot(snapshot ledger.CoinSellerRechargeReceiptVerification, command ledger.VerifyCoinSellerRechargeReceiptCommand, query V5PayQueryOrderResponse) ledger.CoinSellerRechargeReceiptVerification {
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snapshot.ProviderOrderID = strings.TrimSpace(query.ProviderOrderID)
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snapshot.Status = strings.TrimSpace(query.Status)
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snapshot.CurrencyCode = strings.ToUpper(strings.TrimSpace(query.Currency))
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snapshot.RawJSON = strings.TrimSpace(query.RawJSON)
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amount, amountErr := parseProviderAmountMinor(query.Amount)
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if amountErr == nil {
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snapshot.ProviderAmountMinor = amount
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}
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if query.OrderID != "" && !strings.EqualFold(query.OrderID, command.ExternalOrderNo) {
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snapshot.FailureReason = "v5pay order id mismatch"
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return snapshot
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}
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if !isV5PayReceiptPaid(query.Status) {
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snapshot.FailureReason = "v5pay order status " + firstNonEmpty(strings.TrimSpace(query.Status), "unknown")
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return snapshot
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}
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if command.ProviderCurrencyCode != "" && snapshot.CurrencyCode != "" && !strings.EqualFold(snapshot.CurrencyCode, command.ProviderCurrencyCode) {
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snapshot.FailureReason = "v5pay currency mismatch"
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return snapshot
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}
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if amountErr != nil || snapshot.ProviderAmountMinor <= 0 {
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// V5Pay 人工校验依赖回包金额建立付款事实；即使内部调用未传期望金额，坏金额也不能放行。
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snapshot.FailureReason = "v5pay amount is invalid"
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return snapshot
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}
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if command.ProviderAmountMinor > 0 {
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if snapshot.ProviderAmountMinor != command.ProviderAmountMinor {
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snapshot.FailureReason = "v5pay amount mismatch"
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return snapshot
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}
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}
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if command.ProviderPayType != "" && query.ProductType != "" && !strings.EqualFold(query.ProductType, command.ProviderPayType) {
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snapshot.FailureReason = "v5pay product_type mismatch"
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return snapshot
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}
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snapshot.Verified = true
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return snapshot
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}
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func parseMifaPayReceiptAmountMinor(value string, currencyCode string) (int64, error) {
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value = strings.TrimSpace(value)
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if value == "" {
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return 0, strconv.ErrSyntax
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}
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parsed, err := strconv.ParseInt(value, 10, 64)
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if err != nil {
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return 0, err
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}
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if mifaPayUsesWholeMajorAmount(currencyCode) {
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// MiFaPay INR 查单回包沿用上游 contract：amount 是整数卢比主单位；本地快照仍统一存 minor。
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return parsed * 100, nil
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}
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return parsed, nil
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}
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type v5PayReceiptQueryCandidate struct {
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CountryCode string
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CurrencyCode string
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}
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func (s *Service) v5PayReceiptQueryCandidates(ctx context.Context, command ledger.VerifyCoinSellerRechargeReceiptCommand) ([]v5PayReceiptQueryCandidate, error) {
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candidates := make([]v5PayReceiptQueryCandidate, 0, 4)
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seen := make(map[string]struct{})
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addCandidate := func(countryCode string, currencyCode string) {
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if len(candidates) >= v5PayReceiptCandidateLimit {
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return
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}
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countryCode = strings.ToUpper(strings.TrimSpace(countryCode))
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currencyCode = strings.ToUpper(strings.TrimSpace(currencyCode))
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if countryCode == "" || currencyCode == "" {
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return
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}
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key := countryCode + "|" + currencyCode
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if _, ok := seen[key]; ok {
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return
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}
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seen[key] = struct{}{}
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candidates = append(candidates, v5PayReceiptQueryCandidate{CountryCode: countryCode, CurrencyCode: currencyCode})
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}
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if command.ProviderCountryCode != "" && command.ProviderCurrencyCode != "" {
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addCandidate(command.ProviderCountryCode, command.ProviderCurrencyCode)
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return candidates, nil
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}
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// V5Pay 查单需要国家/币种；运营只填订单号时，先从本地外部充值订单补条件，命中率最高且不会扩大查询面。
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if order, ok := s.externalRechargeOrder(ctx, command.AppCode, command.ExternalOrderNo, ledger.PaymentProviderV5Pay); ok {
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addCandidate(order.CountryCode, order.CurrencyCode)
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}
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if s.repository == nil {
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return candidates, nil
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}
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channels, err := s.ListThirdPartyPaymentChannels(ctx, ledger.ListThirdPartyPaymentChannelsQuery{
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AppCode: command.AppCode,
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ProviderCode: ledger.PaymentProviderV5Pay,
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Status: ledger.ThirdPartyPaymentStatusActive,
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IncludeDisabledMethods: false,
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})
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if err != nil {
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return nil, err
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}
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// 本地快照缺失时，只枚举当前 APP 启用的 V5Pay 国家/币种组合，并受候选上限保护，避免误配导致查单风暴。
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for _, preferProvidedFields := range []bool{true, false} {
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for _, channel := range channels {
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if channel.ProviderCode != ledger.PaymentProviderV5Pay || channel.Status != ledger.ThirdPartyPaymentStatusActive {
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continue
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}
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for _, method := range channel.Methods {
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if method.ProviderCode != ledger.PaymentProviderV5Pay || method.Status != ledger.ThirdPartyPaymentStatusActive {
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continue
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}
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matchesProvidedCountry := command.ProviderCountryCode == "" || strings.EqualFold(method.CountryCode, command.ProviderCountryCode)
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matchesProvidedCurrency := command.ProviderCurrencyCode == "" || strings.EqualFold(method.CurrencyCode, command.ProviderCurrencyCode)
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if preferProvidedFields != (matchesProvidedCountry && matchesProvidedCurrency) {
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continue
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}
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addCandidate(method.CountryCode, method.CurrencyCode)
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}
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}
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}
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return candidates, nil
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}
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func (s *Service) externalRechargeOrderCreatedAtMS(ctx context.Context, appCode string, orderID string, providerCode string) int64 {
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if order, ok := s.externalRechargeOrder(ctx, appCode, orderID, providerCode); ok {
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return order.CreatedAtMS
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}
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return 0
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}
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func (s *Service) externalRechargeOrder(ctx context.Context, appCode string, orderID string, providerCode string) (ledger.ExternalRechargeOrder, bool) {
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if s == nil || s.repository == nil {
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return ledger.ExternalRechargeOrder{}, false
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}
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order, err := s.repository.GetExternalRechargeOrder(ctx, appCode, orderID)
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if err != nil || order.ProviderCode != providerCode {
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return ledger.ExternalRechargeOrder{}, false
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}
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return order, true
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}
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type receiptUSDTClient interface {
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VerifyUSDTTransfer(ctx context.Context, txHash string, toAddress string, amountMinor int64) (string, error)
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}
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func (s *Service) verifyUSDTRechargeReceipt(ctx context.Context, command ledger.VerifyCoinSellerRechargeReceiptCommand, chain string, enabled bool, receiveAddress string, client receiptUSDTClient) (ledger.CoinSellerRechargeReceiptVerification, error) {
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snapshot := s.receiptSnapshot(command)
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snapshot.Chain = chain
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snapshot.CurrencyCode = ledger.PaidCurrencyUSDT
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snapshot.ProviderAmountMinor = command.USDMinorAmount
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snapshot.ProviderOrderID = command.ExternalOrderNo
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snapshot.ReceiveAddress = strings.TrimSpace(receiveAddress)
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if chain == "c2c" {
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// 查单来源由运营显式选择；C2C 只读取 Binance 账户事实，绝不从 TRON/BSC 隐式降级或猜测。
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return s.verifyBinanceTransferReceipt(ctx, command, snapshot, binanceNetworkForReceiptChain(chain))
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}
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if !enabled || snapshot.ReceiveAddress == "" {
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return ledger.CoinSellerRechargeReceiptVerification{}, xerr.New(xerr.Unavailable, "usdt "+chain+" receipt verification is not configured")
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}
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if chain == "offchain" {
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// Off-chain 编号不是公链 hash，只能走 Binance Deposit History；地址和金额仍必须与当前 App 配置精确一致。
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return s.verifyBinanceTransferReceipt(ctx, command, snapshot, binanceNetworkForReceiptChain(chain))
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}
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if !isLikelyChainTransactionHash(command.ExternalOrderNo) {
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// TRON/BSC 只接受标准交易哈希；非链上编号必须由运营明确改选 C2C，避免跨事实源误校验。
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return ledger.CoinSellerRechargeReceiptVerification{}, xerr.New(xerr.InvalidArgument, "usdt "+chain+" receipt requires transaction hash")
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}
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if client == nil {
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return ledger.CoinSellerRechargeReceiptVerification{}, xerr.New(xerr.Unavailable, "usdt "+chain+" client is not configured")
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}
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rawJSON, err := client.VerifyUSDTTransfer(ctx, command.ExternalOrderNo, snapshot.ReceiveAddress, command.USDMinorAmount)
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snapshot.RawJSON = strings.TrimSpace(rawJSON)
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if err != nil {
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snapshot.Status = "unverified"
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snapshot.FailureReason = err.Error()
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return snapshot, nil
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}
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snapshot.Status = "confirmed"
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snapshot.Verified = true
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return snapshot, nil
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}
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func (s *Service) verifyBinanceTransferReceipt(ctx context.Context, command ledger.VerifyCoinSellerRechargeReceiptCommand, snapshot ledger.CoinSellerRechargeReceiptVerification, network string) (ledger.CoinSellerRechargeReceiptVerification, error) {
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if s.binance == nil {
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return ledger.CoinSellerRechargeReceiptVerification{}, xerr.New(xerr.Unavailable, "binance client is not configured")
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}
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// 非链上编号可能来自 Deposit History 的 off-chain transfer，也可能来自 Funding Account 的 Pay C2C。
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// Binance client 必须在收款账号侧验证正向入账；付款方截图本身不能成为放币依据。
|
||
record, err := s.binance.FindUSDTTransfer(ctx, ports.BinanceTransferLookupRequest{
|
||
AppCode: command.AppCode,
|
||
ExternalID: command.ExternalOrderNo,
|
||
Coin: ledger.PaidCurrencyUSDT,
|
||
Network: network,
|
||
ToAddress: snapshot.ReceiveAddress,
|
||
AmountMinor: command.USDMinorAmount,
|
||
OrderTimeMS: command.OrderDateMS,
|
||
})
|
||
if err != nil {
|
||
snapshot.Status = "unverified"
|
||
snapshot.FailureReason = err.Error()
|
||
return snapshot, nil
|
||
}
|
||
snapshot.Verified = true
|
||
snapshot.Status = "confirmed"
|
||
snapshot.ProviderOrderID = record.TxID
|
||
snapshot.ProviderAmountMinor = record.AmountMinor
|
||
if snapshot.Chain == "c2c" && strings.TrimSpace(record.Coin) != "" {
|
||
// C2C Pay 实际收款可能是 USDT 或 USDC；凭证必须保存 Binance 返回币种，不能继续伪装成表单默认 USDT。
|
||
snapshot.CurrencyCode = strings.ToUpper(strings.TrimSpace(record.Coin))
|
||
}
|
||
// Pay C2C 没有链上收款地址；只有 Deposit History 命中时才用 Binance 返回地址覆盖配置快照。
|
||
if snapshot.Chain != "c2c" && strings.TrimSpace(record.Address) != "" {
|
||
snapshot.ReceiveAddress = record.Address
|
||
}
|
||
snapshot.RawJSON = strings.TrimSpace(record.RawJSON)
|
||
return snapshot, nil
|
||
}
|
||
|
||
func binanceNetworkForReceiptChain(chain string) string {
|
||
// Binance Deposit History 使用交易所网络代码而不是后台 provider 名称；Pay C2C 不校验网络，
|
||
// 但同一个入口也支持 off-chain Deposit History，因此这里必须保留准确映射。
|
||
switch strings.ToLower(strings.TrimSpace(chain)) {
|
||
case "bep20":
|
||
return "BSC"
|
||
case "c2c":
|
||
return "C2C"
|
||
case "offchain":
|
||
return "OFFCHAIN"
|
||
default:
|
||
return "TRX"
|
||
}
|
||
}
|
||
|
||
func (s *Service) receiptSnapshot(command ledger.VerifyCoinSellerRechargeReceiptCommand) ledger.CoinSellerRechargeReceiptVerification {
|
||
return ledger.CoinSellerRechargeReceiptVerification{
|
||
ProviderCode: command.ProviderCode,
|
||
ExternalOrderNo: command.ExternalOrderNo,
|
||
Chain: command.Chain,
|
||
VerifiedAtMS: s.now().UTC().UnixMilli(),
|
||
}
|
||
}
|
||
|
||
func isLikelyChainTransactionHash(value string) bool {
|
||
value = strings.TrimPrefix(strings.ToLower(strings.TrimSpace(value)), "0x")
|
||
if len(value) != 64 {
|
||
return false
|
||
}
|
||
for _, r := range value {
|
||
if (r < '0' || r > '9') && (r < 'a' || r > 'f') {
|
||
return false
|
||
}
|
||
}
|
||
return true
|
||
}
|
||
|
||
func isMifaPayReceiptPaid(status string) bool {
|
||
switch strings.ToUpper(strings.TrimSpace(status)) {
|
||
case "1", "SUCCESS":
|
||
return true
|
||
default:
|
||
return false
|
||
}
|
||
}
|
||
|
||
func isV5PayReceiptPaid(status string) bool {
|
||
return strings.TrimSpace(status) == "2"
|
||
}
|
||
|
||
func normalizeReceiptChain(chain string) string {
|
||
chain = strings.ToLower(strings.TrimSpace(chain))
|
||
chain = strings.ReplaceAll(chain, "-", "_")
|
||
switch chain {
|
||
case "trc20", "trx", "tron", "usdt_trc20":
|
||
return "trc20"
|
||
case "bep20", "bsc", "bnb", "usdt_bep20":
|
||
return "bep20"
|
||
default:
|
||
return chain
|
||
}
|
||
}
|
||
|
||
func providerOrderNotFound(err error) bool {
|
||
if err == nil {
|
||
return false
|
||
}
|
||
if xerr.IsCode(err, xerr.NotFound) {
|
||
return true
|
||
}
|
||
message := strings.ToLower(err.Error())
|
||
return strings.Contains(message, "not found") ||
|
||
strings.Contains(message, "not exist") ||
|
||
strings.Contains(message, "does not exist") ||
|
||
strings.Contains(message, "no data") ||
|
||
strings.Contains(message, "order不存在") ||
|
||
strings.Contains(message, "订单不存在")
|
||
}
|