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feat: add configurable payment amount precision

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- add system.amount_precision setting with 2-6 validation
This commit is contained in:
line-6000
2026-05-11 17:11:43 +08:00
parent 1c805ed061
commit 8d2ddbd045
178 changed files with 532 additions and 273 deletions
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src/model/service/order_service.go
+9 -8
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@@ -24,7 +24,6 @@ import (
const (
CnyMinimumPaymentAmount = 0.01
UsdtMinimumPaymentAmount = 0.01
UsdtAmountPerIncrement = 0.01
IncrementalMaximumNumber = 100
)
@@ -61,7 +60,8 @@ func CreateTransaction(req *request.CreateTransactionRequest, apiKey *mdb.ApiKey
token := strings.ToUpper(strings.TrimSpace(req.Token))
currency := strings.ToUpper(strings.TrimSpace(req.Currency))
network := strings.ToLower(strings.TrimSpace(req.Network))
payAmount := math.MustParsePrecFloat64(req.Amount, 2)
amountPrecision := data.GetAmountPrecision()
payAmount := math.MustParsePrecFloat64(req.Amount, amountPrecision)
rate := config.GetRateForCoin(strings.ToLower(token), strings.ToLower(currency))
if rate <= 0 {
return nil, constant.RateAmountErr
@@ -96,7 +96,7 @@ func CreateTransaction(req *request.CreateTransactionRequest, apiKey *mdb.ApiKey
}
tradeID := GenerateCode()
amount := math.MustParsePrecFloat64(decimalTokenAmount.InexactFloat64(), 2)
amount := math.MustParsePrecFloat64(decimalTokenAmount.InexactFloat64(), amountPrecision)
availableAddress, availableAmount, err := ReserveAvailableWalletAndAmount(tradeID, network, token, amount, walletAddress)
if err != nil {
return nil, err
@@ -109,7 +109,7 @@ func CreateTransaction(req *request.CreateTransactionRequest, apiKey *mdb.ApiKey
order := &mdb.Orders{
TradeId: tradeID,
OrderId: req.OrderId,
Amount: req.Amount,
Amount: payAmount,
Currency: currency,
ActualAmount: availableAmount,
ReceiveAddress: availableAddress,
@@ -280,6 +280,7 @@ func OrderProcessing(req *request.OrderProcessingRequest) error {
func ReserveAvailableWalletAndAmount(tradeID string, network string, token string, amount float64, walletAddress []mdb.WalletAddress) (string, float64, error) {
availableAddress := ""
availableAmount := amount
amountPrecision := data.GetAmountPrecision()
tryLockWalletFunc := func(targetAmount float64) (string, error) {
for _, address := range walletAddress {
@@ -303,8 +304,8 @@ func ReserveAvailableWalletAndAmount(tradeID string, network string, token strin
}
if address == "" {
decimalOldAmount := decimal.NewFromFloat(availableAmount)
decimalIncr := decimal.NewFromFloat(UsdtAmountPerIncrement)
availableAmount = decimalOldAmount.Add(decimalIncr).InexactFloat64()
decimalIncr := decimal.New(1, int32(-amountPrecision))
availableAmount = math.MustParsePrecFloat64(decimalOldAmount.Add(decimalIncr).InexactFloat64(), amountPrecision)
continue
}
availableAddress = address
@@ -414,7 +415,7 @@ func SwitchNetwork(req *request.SwitchNetworkRequest) (*response.CheckoutCounter
}
subTradeID := GenerateCode()
amount := math.MustParsePrecFloat64(decimalTokenAmount.InexactFloat64(), 2)
amount := math.MustParsePrecFloat64(decimalTokenAmount.InexactFloat64(), data.GetAmountPrecision())
availableAddress, availableAmount, err := ReserveAvailableWalletAndAmount(subTradeID, network, token, amount, walletAddress)
if err != nil {
return nil, err
@@ -531,7 +532,7 @@ func switchToOkPay(parent *mdb.Orders, token string) (*response.CheckoutCounterR
}
subTradeID := GenerateCode()
amount := math.MustParsePrecFloat64(decimalTokenAmount.InexactFloat64(), 2)
amount := math.MustParsePrecFloat64(decimalTokenAmount.InexactFloat64(), data.GetAmountPrecision())
returnURL := strings.TrimSpace(parent.RedirectUrl)
if returnURL == "" {
returnURL = data.GetOkPayReturnURL()