refactor(price): improve handling of other ratios in PriceData

controller/relay.go

@@ -588,7 +588,7 @@ func RelayTask(c *gin.Context) {
 			ModelPrice:      relayInfo.PriceData.ModelPrice,
 			ModelPrice:      relayInfo.PriceData.ModelPrice,
 			GroupRatio:      relayInfo.PriceData.GroupRatioInfo.GroupRatio,
 			GroupRatio:      relayInfo.PriceData.GroupRatioInfo.GroupRatio,
 			ModelRatio:      relayInfo.PriceData.ModelRatio,
 			ModelRatio:      relayInfo.PriceData.ModelRatio,
-			OtherRatios:     relayInfo.PriceData.OtherRatios,
+			OtherRatios:     relayInfo.PriceData.OtherRatios(),
 			OriginModelName: relayInfo.OriginModelName,
 			OriginModelName: relayInfo.OriginModelName,
 			PerCallBilling:  common.StringsContains(constant.TaskPricePatches, relayInfo.OriginModelName) || relayInfo.PriceData.UsePrice,
 			PerCallBilling:  common.StringsContains(constant.TaskPricePatches, relayInfo.OriginModelName) || relayInfo.PriceData.UsePrice,
 		}
 		}

relay/chat_completions_via_responses_test.go

 package relay
 package relay
 
 
 import (
 import (
+	"math"
 	"testing"
 	"testing"
 
 
+	relaycommon "github.com/QuantumNous/new-api/relay/common"
+	"github.com/QuantumNous/new-api/types"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
 )
 )
 
 
 func TestIsResponsesEventStreamContentType(t *testing.T) {
 func TestIsResponsesEventStreamContentType(t *testing.T) {
@@ -24,3 +28,44 @@ func TestIsResponsesEventStreamContentType(t *testing.T) {
 		})
 		})
 	}
 	}
 }
 }
+
+func TestRecalcQuotaFromRatiosIgnoresInvalidMultipliers(t *testing.T) {
+	info := &relaycommon.RelayInfo{
+		PriceData: types.PriceData{
+			Quota: 100,
+		},
+	}
+	info.PriceData.AddOtherRatio("duration", 2)
+
+	quota, ok := recalcQuotaFromRatios(info, map[string]float64{
+		"duration": 3,
+		"zero":     0,
+		"negative": -1,
+		"nan":      math.NaN(),
+		"inf":      math.Inf(1),
+	})
+
+	require.True(t, ok)
+	assert.Equal(t, 150, quota)
+	assert.True(t, info.PriceData.HasOtherRatio("duration"))
+}
+
+func TestRecalcQuotaFromRatiosRejectsAllInvalidAdjustedRatios(t *testing.T) {
+	info := &relaycommon.RelayInfo{
+		PriceData: types.PriceData{
+			Quota: 100,
+		},
+	}
+	info.PriceData.AddOtherRatio("duration", 2)
+
+	quota, ok := recalcQuotaFromRatios(info, map[string]float64{
+		"zero":     0,
+		"negative": -1,
+		"nan":      math.NaN(),
+		"inf":      math.Inf(1),
+	})
+
+	require.False(t, ok)
+	assert.Equal(t, 0, quota)
+	assert.True(t, info.PriceData.HasOtherRatio("duration"))
+}

relay/image_handler.go

@@ -128,7 +128,7 @@ func ImageHelper(c *gin.Context, info *relaycommon.RelayInfo) (newAPIError *type
 	// Adaptors may have already set a more accurate count from the
 	// Adaptors may have already set a more accurate count from the
 	// upstream response; only set the default when they haven't.
 	// upstream response; only set the default when they haven't.
 	if info.PriceData.UsePrice { // only price model use N ratio
 	if info.PriceData.UsePrice { // only price model use N ratio
-		if _, hasN := info.PriceData.OtherRatios["n"]; !hasN {
+		if !info.PriceData.HasOtherRatio("n") {
 			info.PriceData.AddOtherRatio("n", float64(imageN))
 			info.PriceData.AddOtherRatio("n", float64(imageN))
 		}
 		}
 	}
 	}

relay/relay_task.go

@@ -196,12 +196,7 @@ func RelayTaskSubmit(c *gin.Context, info *relaycommon.RelayInfo) (*TaskSubmitRe
 
 
 	// 6. 将 OtherRatios 应用到基础额度（饱和转换，防止溢出成负数）
 	// 6. 将 OtherRatios 应用到基础额度（饱和转换，防止溢出成负数）
 	if !common.StringsContains(constant.TaskPricePatches, modelName) {
 	if !common.StringsContains(constant.TaskPricePatches, modelName) {
-		quotaWithRatios := float64(info.PriceData.Quota)
-		for _, ra := range info.PriceData.OtherRatios {
-			if ra != 1.0 {
-				quotaWithRatios *= ra
-			}
-		}
+		quotaWithRatios := info.PriceData.ApplyOtherRatiosToFloat(float64(info.PriceData.Quota))
 		quota, clamp := common.QuotaFromFloatChecked(quotaWithRatios)
 		quota, clamp := common.QuotaFromFloatChecked(quotaWithRatios)
 		info.PriceData.Quota = quota
 		info.PriceData.Quota = quota
 		noteTaskQuotaClamp(info, clamp)
 		noteTaskQuotaClamp(info, clamp)
@@ -232,7 +227,7 @@ func RelayTaskSubmit(c *gin.Context, info *relaycommon.RelayInfo) (*TaskSubmitRe
 	}
 	}
 
 
 	// 10. 返回 OtherRatios 给下游（header 必须在 DoResponse 写 body 之前设置）
 	// 10. 返回 OtherRatios 给下游（header 必须在 DoResponse 写 body 之前设置）
-	otherRatios := info.PriceData.OtherRatios
+	otherRatios := info.PriceData.OtherRatios()
 	if otherRatios == nil {
 	if otherRatios == nil {
 		otherRatios = map[string]float64{}
 		otherRatios = map[string]float64{}
 	}
 	}
@@ -248,10 +243,12 @@ func RelayTaskSubmit(c *gin.Context, info *relaycommon.RelayInfo) (*TaskSubmitRe
 	// 11. 提交后计费调整：让适配器根据上游实际返回调整 OtherRatios
 	// 11. 提交后计费调整：让适配器根据上游实际返回调整 OtherRatios
 	finalQuota := info.PriceData.Quota
 	finalQuota := info.PriceData.Quota
 	if adjustedRatios := adaptor.AdjustBillingOnSubmit(info, taskData); len(adjustedRatios) > 0 {
 	if adjustedRatios := adaptor.AdjustBillingOnSubmit(info, taskData); len(adjustedRatios) > 0 {
-		// 基于调整后的 ratios 重新计算 quota
-		finalQuota = recalcQuotaFromRatios(info, adjustedRatios)
-		info.PriceData.OtherRatios = adjustedRatios
-		info.PriceData.Quota = finalQuota
+		if adjustedQuota, ok := recalcQuotaFromRatios(info, adjustedRatios); ok {
+			// 基于调整后的 ratios 重新计算 quota
+			finalQuota = adjustedQuota
+			info.PriceData.ReplaceOtherRatios(adjustedRatios)
+			info.PriceData.Quota = finalQuota
+		}
 	}
 	}
 
 
 	return &TaskSubmitResult{
 	return &TaskSubmitResult{
@@ -264,25 +261,18 @@ func RelayTaskSubmit(c *gin.Context, info *relaycommon.RelayInfo) (*TaskSubmitRe
 
 
 // recalcQuotaFromRatios 根据 adjustedRatios 重新计算 quota。
 // recalcQuotaFromRatios 根据 adjustedRatios 重新计算 quota。
 // 公式: baseQuota × ∏(ratio) — 其中 baseQuota 是不含 OtherRatios 的基础额度。
 // 公式: baseQuota × ∏(ratio) — 其中 baseQuota 是不含 OtherRatios 的基础额度。
-func recalcQuotaFromRatios(info *relaycommon.RelayInfo, ratios map[string]float64) int {
+func recalcQuotaFromRatios(info *relaycommon.RelayInfo, ratios map[string]float64) (int, bool) {
 	// 从 PriceData 获取不含 OtherRatios 的基础价格
 	// 从 PriceData 获取不含 OtherRatios 的基础价格
-	baseQuota := float64(info.PriceData.Quota)
-	// 先除掉原有的 OtherRatios 恢复基础额度
-	for _, ra := range info.PriceData.OtherRatios {
-		if ra != 1.0 && ra > 0 {
-			baseQuota /= ra
-		}
+	baseQuota := info.PriceData.RemoveOtherRatiosFromFloat(float64(info.PriceData.Quota))
+	priceData := info.PriceData
+	if !priceData.ReplaceOtherRatios(ratios) {
+		return 0, false
 	}
 	}
 	// 应用新的 ratios
 	// 应用新的 ratios
-	result := baseQuota
-	for _, ra := range ratios {
-		if ra != 1.0 {
-			result *= ra
-		}
-	}
+	result := priceData.ApplyOtherRatiosToFloat(baseQuota)
 	quota, clamp := common.QuotaFromFloatChecked(result)
 	quota, clamp := common.QuotaFromFloatChecked(result)
 	noteTaskQuotaClamp(info, clamp)
 	noteTaskQuotaClamp(info, clamp)
-	return quota
+	return quota, true
 }
 }
 
 
 // noteTaskQuotaClamp records the first quota saturation event onto the task's
 // noteTaskQuotaClamp records the first quota saturation event onto the task's

service/task_billing.go

@@ -11,6 +11,7 @@ import (
 	"github.com/QuantumNous/new-api/model"
 	"github.com/QuantumNous/new-api/model"
 	relaycommon "github.com/QuantumNous/new-api/relay/common"
 	relaycommon "github.com/QuantumNous/new-api/relay/common"
 	"github.com/QuantumNous/new-api/setting/ratio_setting"
 	"github.com/QuantumNous/new-api/setting/ratio_setting"
+	"github.com/QuantumNous/new-api/types"
 	"github.com/gin-gonic/gin"
 	"github.com/gin-gonic/gin"
 )
 )
 
 
@@ -23,9 +24,9 @@ func LogTaskConsumption(c *gin.Context, info *relaycommon.RelayInfo) {
 	if common.StringsContains(constant.TaskPricePatches, info.OriginModelName) {
 	if common.StringsContains(constant.TaskPricePatches, info.OriginModelName) {
 		logContent = fmt.Sprintf("%s，按次计费", logContent)
 		logContent = fmt.Sprintf("%s，按次计费", logContent)
 	} else {
 	} else {
-		if len(info.PriceData.OtherRatios) > 0 {
+		if otherRatios := info.PriceData.OtherRatios(); len(otherRatios) > 0 {
 			var contents []string
 			var contents []string
-			for key, ra := range info.PriceData.OtherRatios {
+			for key, ra := range otherRatios {
 				if 1.0 != ra {
 				if 1.0 != ra {
 					contents = append(contents, fmt.Sprintf("%s: %.2f", key, ra))
 					contents = append(contents, fmt.Sprintf("%s: %.2f", key, ra))
 				}
 				}
@@ -126,8 +127,8 @@ func taskBillingOther(task *model.Task) map[string]interface{} {
 			other["model_ratio"] = bc.ModelRatio
 			other["model_ratio"] = bc.ModelRatio
 		}
 		}
 		other["group_ratio"] = bc.GroupRatio
 		other["group_ratio"] = bc.GroupRatio
-		if len(bc.OtherRatios) > 0 {
-			for k, v := range bc.OtherRatios {
+		if priceData := taskBillingContextPriceData(bc); priceData != nil {
+			for k, v := range priceData.OtherRatios() {
 				other[k] = v
 				other[k] = v
 			}
 			}
 		}
 		}
@@ -140,6 +141,17 @@ func taskBillingOther(task *model.Task) map[string]interface{} {
 	return other
 	return other
 }
 }
 
 
+func taskBillingContextPriceData(bc *model.TaskBillingContext) *types.PriceData {
+	if bc == nil || len(bc.OtherRatios) == 0 {
+		return nil
+	}
+	priceData := &types.PriceData{}
+	if !priceData.ReplaceOtherRatios(bc.OtherRatios) {
+		return nil
+	}
+	return priceData
+}
+
 // taskModelName 从 BillingContext 或 Properties 中获取模型名称。
 // taskModelName 从 BillingContext 或 Properties 中获取模型名称。
 func taskModelName(task *model.Task) string {
 func taskModelName(task *model.Task) string {
 	if bc := task.PrivateData.BillingContext; bc != nil && bc.OriginModelName != "" {
 	if bc := task.PrivateData.BillingContext; bc != nil && bc.OriginModelName != "" {
@@ -294,12 +306,8 @@ func RecalculateTaskQuotaByTokens(ctx context.Context, task *model.Task, totalTo
 
 
 	// 计算 OtherRatios 乘积（视频折扣、时长等）
 	// 计算 OtherRatios 乘积（视频折扣、时长等）
 	otherMultiplier := 1.0
 	otherMultiplier := 1.0
-	if bc := task.PrivateData.BillingContext; bc != nil {
-		for _, r := range bc.OtherRatios {
-			if r != 1.0 && r > 0 {
-				otherMultiplier *= r
-			}
-		}
+	if priceData := taskBillingContextPriceData(task.PrivateData.BillingContext); priceData != nil {
+		otherMultiplier = priceData.OtherRatioMultiplier()
 	}
 	}
 
 
 	// 计算实际应扣费额度: totalTokens * modelRatio * groupRatio * otherMultiplier（饱和转换，防止溢出成负数）
 	// 计算实际应扣费额度: totalTokens * modelRatio * groupRatio * otherMultiplier（饱和转换，防止溢出成负数）

service/task_billing_test.go

@@ -3,6 +3,7 @@ package service
 import (
 import (
 	"context"
 	"context"
 	"encoding/json"
 	"encoding/json"
+	"math"
 	"net/http"
 	"net/http"
 	"os"
 	"os"
 	"testing"
 	"testing"
@@ -11,7 +12,9 @@ import (
 	"github.com/QuantumNous/new-api/common"
 	"github.com/QuantumNous/new-api/common"
 	"github.com/QuantumNous/new-api/model"
 	"github.com/QuantumNous/new-api/model"
 	relaycommon "github.com/QuantumNous/new-api/relay/common"
 	relaycommon "github.com/QuantumNous/new-api/relay/common"
+	"github.com/QuantumNous/new-api/types"
 	"github.com/glebarez/sqlite"
 	"github.com/glebarez/sqlite"
+	"github.com/shopspring/decimal"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 	"github.com/stretchr/testify/require"
 	"gorm.io/gorm"
 	"gorm.io/gorm"
@@ -139,6 +142,102 @@ func makeTask(userId, channelId, quota, tokenId int, billingSource string, subsc
 	}
 	}
 }
 }
 
 
+func TestPriceDataOtherRatiosFilterAndSnapshot(t *testing.T) {
+	priceData := types.PriceData{}
+
+	priceData.AddOtherRatio("zero", 0)
+	priceData.AddOtherRatio("negative", -0.5)
+	priceData.AddOtherRatio("nan", math.NaN())
+	priceData.AddOtherRatio("inf", math.Inf(1))
+	priceData.AddOtherRatio("one", 1)
+	priceData.AddOtherRatio("positive", 2.5)
+
+	ratios := priceData.OtherRatios()
+	require.Len(t, ratios, 2)
+	assert.Equal(t, 1.0, ratios["one"])
+	assert.Equal(t, 2.5, ratios["positive"])
+	assert.True(t, priceData.HasOtherRatio("one"))
+	assert.False(t, priceData.HasOtherRatio("zero"))
+
+	ratios["positive"] = 99
+	ratios["new"] = 3
+	nextSnapshot := priceData.OtherRatios()
+	assert.Equal(t, 2.5, nextSnapshot["positive"])
+	assert.NotContains(t, nextSnapshot, "new")
+}
+
+func TestPriceDataReplaceAndApplyOtherRatios(t *testing.T) {
+	priceData := types.PriceData{}
+
+	replaced := priceData.ReplaceOtherRatios(map[string]float64{
+		"zero":     0,
+		"negative": -3,
+		"nan":      math.NaN(),
+		"inf":      math.Inf(1),
+		"one":      1,
+		"duration": 2,
+		"size":     1.5,
+	})
+
+	require.True(t, replaced)
+	assert.Equal(t, 3.0, priceData.OtherRatioMultiplier())
+	assert.Equal(t, 30.0, priceData.ApplyOtherRatiosToFloat(10))
+	assert.Equal(t, 10.0, priceData.RemoveOtherRatiosFromFloat(30))
+	assert.True(t, decimal.NewFromInt(30).Equal(priceData.ApplyOtherRatiosToDecimal(decimal.NewFromInt(10))))
+
+	replaced = priceData.ReplaceOtherRatios(map[string]float64{
+		"zero": 0,
+		"nan":  math.NaN(),
+	})
+
+	require.False(t, replaced)
+	assert.Nil(t, priceData.OtherRatios())
+	assert.Equal(t, 1.0, priceData.OtherRatioMultiplier())
+}
+
+func TestTaskBillingOtherFiltersHistoricalOtherRatios(t *testing.T) {
+	task := makeTask(1, 1, 100, 0, BillingSourceWallet, 0)
+	task.PrivateData.BillingContext.OtherRatios = map[string]float64{
+		"seconds":  2,
+		"identity": 1,
+		"zero":     0,
+		"negative": -1,
+		"nan":      math.NaN(),
+		"inf":      math.Inf(1),
+	}
+
+	other := taskBillingOther(task)
+
+	assert.Equal(t, 2.0, other["seconds"])
+	assert.Equal(t, 1.0, other["identity"])
+	assert.NotContains(t, other, "zero")
+	assert.NotContains(t, other, "negative")
+	assert.NotContains(t, other, "nan")
+	assert.NotContains(t, other, "inf")
+}
+
+func TestTaskBillingContextPriceDataFiltersMultiplier(t *testing.T) {
+	priceData := taskBillingContextPriceData(&model.TaskBillingContext{
+		OtherRatios: map[string]float64{
+			"seconds":  2,
+			"size":     3,
+			"identity": 1,
+			"zero":     0,
+			"negative": -1,
+			"nan":      math.NaN(),
+			"inf":      math.Inf(1),
+		},
+	})
+
+	require.NotNil(t, priceData)
+	assert.Equal(t, 6.0, priceData.OtherRatioMultiplier())
+	assert.Equal(t, map[string]float64{
+		"seconds":  2,
+		"size":     3,
+		"identity": 1,
+	}, priceData.OtherRatios())
+}
+
 // ---------------------------------------------------------------------------
 // ---------------------------------------------------------------------------
 // Read-back helpers
 // Read-back helpers
 // ---------------------------------------------------------------------------
 // ---------------------------------------------------------------------------

service/text_quota.go

@@ -296,12 +296,7 @@ func calculateTextQuotaSummary(ctx *gin.Context, relayInfo *relaycommon.RelayInf
 		quotaCalculateDecimal := promptQuota.Add(completionQuota).Mul(ratio)
 		quotaCalculateDecimal := promptQuota.Add(completionQuota).Mul(ratio)
 		quotaCalculateDecimal = quotaCalculateDecimal.Add(summary.ToolCallSurchargeQuota)
 		quotaCalculateDecimal = quotaCalculateDecimal.Add(summary.ToolCallSurchargeQuota)
 		quotaCalculateDecimal = quotaCalculateDecimal.Add(audioInputQuota)
 		quotaCalculateDecimal = quotaCalculateDecimal.Add(audioInputQuota)
-
-		if len(relayInfo.PriceData.OtherRatios) > 0 {
-			for _, otherRatio := range relayInfo.PriceData.OtherRatios {
-				quotaCalculateDecimal = quotaCalculateDecimal.Mul(decimal.NewFromFloat(otherRatio))
-			}
-		}
+		quotaCalculateDecimal = relayInfo.PriceData.ApplyOtherRatiosToDecimal(quotaCalculateDecimal)
 
 
 		if !ratio.IsZero() && quotaCalculateDecimal.LessThanOrEqual(decimal.Zero) {
 		if !ratio.IsZero() && quotaCalculateDecimal.LessThanOrEqual(decimal.Zero) {
 			quotaCalculateDecimal = decimal.NewFromInt(1)
 			quotaCalculateDecimal = decimal.NewFromInt(1)
@@ -313,11 +308,7 @@ func calculateTextQuotaSummary(ctx *gin.Context, relayInfo *relaycommon.RelayInf
 		quotaCalculateDecimal := dModelPrice.Mul(dQuotaPerUnit).Mul(dGroupRatio)
 		quotaCalculateDecimal := dModelPrice.Mul(dQuotaPerUnit).Mul(dGroupRatio)
 		quotaCalculateDecimal = quotaCalculateDecimal.Add(summary.ToolCallSurchargeQuota)
 		quotaCalculateDecimal = quotaCalculateDecimal.Add(summary.ToolCallSurchargeQuota)
 		quotaCalculateDecimal = quotaCalculateDecimal.Add(audioInputQuota)
 		quotaCalculateDecimal = quotaCalculateDecimal.Add(audioInputQuota)
-		if len(relayInfo.PriceData.OtherRatios) > 0 {
-			for _, otherRatio := range relayInfo.PriceData.OtherRatios {
-				quotaCalculateDecimal = quotaCalculateDecimal.Mul(decimal.NewFromFloat(otherRatio))
-			}
-		}
+		quotaCalculateDecimal = relayInfo.PriceData.ApplyOtherRatiosToDecimal(quotaCalculateDecimal)
 		quota, clamp := common.QuotaFromDecimalChecked(quotaCalculateDecimal)
 		quota, clamp := common.QuotaFromDecimalChecked(quotaCalculateDecimal)
 		summary.Quota = quota
 		summary.Quota = quota
 		noteQuotaClamp(relayInfo, clamp)
 		noteQuotaClamp(relayInfo, clamp)

types/price_data.go

@@ -3,6 +3,8 @@ package types
 import (
 import (
 	"fmt"
 	"fmt"
 	"math"
 	"math"
+
+	"github.com/shopspring/decimal"
 )
 )
 
 
 type GroupRatioInfo struct {
 type GroupRatioInfo struct {
@@ -23,7 +25,7 @@ type PriceData struct {
 	ImageRatio           float64
 	ImageRatio           float64
 	AudioRatio           float64
 	AudioRatio           float64
 	AudioCompletionRatio float64
 	AudioCompletionRatio float64
-	OtherRatios          map[string]float64
+	otherRatios          map[string]float64
 	UsePrice             bool
 	UsePrice             bool
 	Quota                int // 按次计费的最终额度（MJ / Task）
 	Quota                int // 按次计费的最终额度（MJ / Task）
 	QuotaToPreConsume    int // 按量计费的预消耗额度
 	QuotaToPreConsume    int // 按量计费的预消耗额度
@@ -31,15 +33,80 @@ type PriceData struct {
 }
 }
 
 
 func (p *PriceData) AddOtherRatio(key string, ratio float64) {
 func (p *PriceData) AddOtherRatio(key string, ratio float64) {
-	if p.OtherRatios == nil {
-		p.OtherRatios = make(map[string]float64)
+	if !isValidOtherRatio(ratio) {
+		return
+	}
+	if p.otherRatios == nil {
+		p.otherRatios = make(map[string]float64)
+	}
+	p.otherRatios[key] = ratio
+}
+
+func (p *PriceData) ReplaceOtherRatios(ratios map[string]float64) bool {
+	p.otherRatios = nil
+	for key, ratio := range ratios {
+		p.AddOtherRatio(key, ratio)
+	}
+	return len(p.otherRatios) > 0
+}
+
+func (p *PriceData) HasOtherRatio(key string) bool {
+	ratio, ok := p.otherRatios[key]
+	return ok && isValidOtherRatio(ratio)
+}
+
+func (p *PriceData) OtherRatios() map[string]float64 {
+	if len(p.otherRatios) == 0 {
+		return nil
+	}
+	ratios := make(map[string]float64, len(p.otherRatios))
+	for key, ratio := range p.otherRatios {
+		if isValidOtherRatio(ratio) {
+			ratios[key] = ratio
+		}
+	}
+	if len(ratios) == 0 {
+		return nil
+	}
+	return ratios
+}
+
+func (p *PriceData) OtherRatioMultiplier() float64 {
+	multiplier := 1.0
+	for _, ratio := range p.otherRatios {
+		if isValidOtherRatio(ratio) && ratio != 1.0 {
+			multiplier *= ratio
+		}
+	}
+	return multiplier
+}
+
+func (p *PriceData) ApplyOtherRatiosToFloat(value float64) float64 {
+	return value * p.OtherRatioMultiplier()
+}
+
+func (p *PriceData) ApplyOtherRatiosToDecimal(value decimal.Decimal) decimal.Decimal {
+	for _, ratio := range p.otherRatios {
+		if isValidOtherRatio(ratio) && ratio != 1.0 {
+			value = value.Mul(decimal.NewFromFloat(ratio))
+		}
 	}
 	}
+	return value
+}
+
+func (p *PriceData) RemoveOtherRatiosFromFloat(value float64) float64 {
+	for _, ratio := range p.otherRatios {
+		if isValidOtherRatio(ratio) && ratio != 1.0 {
+			value /= ratio
+		}
+	}
+	return value
+}
+
+func isValidOtherRatio(ratio float64) bool {
 	// NaN/Inf would poison every downstream quota multiplication
 	// NaN/Inf would poison every downstream quota multiplication
 	// (int(NaN * quota) wraps to a negative charge).
 	// (int(NaN * quota) wraps to a negative charge).
-	if !(ratio > 0) || math.IsInf(ratio, 1) {
-		return
-	}
-	p.OtherRatios[key] = ratio
+	return ratio > 0 && !math.IsInf(ratio, 1)
 }
 }
 
 
 func (p *PriceData) ToSetting() string {
 func (p *PriceData) ToSetting() string {