mirror of
https://github.com/Rain-kl/OpenFlare.git
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ryan
53 lines
1.5 KiB
Go
53 lines
1.5 KiB
Go
/*
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Copyright 2025 linux.do
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package util
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import (
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"errors"
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"github.com/linux-do/credit/internal/common"
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"github.com/shopspring/decimal"
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)
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// ValidateRates 所有 rate 必须在 [0, 1] 范围内，且小数位数不超过2位
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func ValidateRates(rates ...decimal.Decimal) error {
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for _, rate := range rates {
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// 验证范围：必须在 [0, 1] 之间
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if rate.LessThan(decimal.Zero) || rate.GreaterThan(decimal.NewFromInt(1)) {
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return errors.New(common.RateMustBeBetweenZeroAndOne)
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}
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// 验证小数位数：不超过2位
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if rate.Exponent() < -2 {
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return errors.New(common.RateDecimalPlacesExceeded)
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}
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}
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return nil
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}
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// ValidateAmount 验证金额：必须大于0，且小数位数不超过2位
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func ValidateAmount(amount decimal.Decimal) error {
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if amount.LessThanOrEqual(decimal.Zero) {
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return errors.New(common.AmountMustBeGreaterThanZero)
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}
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if amount.Exponent() < -2 {
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return errors.New(common.AmountDecimalPlacesExceeded)
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}
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return nil
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}
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