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feat: Implement validation for token max order amount against provision bucket size #421

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feat: Implement validation for token max order amount against provision bucket size #421

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87ab8a3
feat: Implement validation for token max order amount against provisi…
sundayonah Feb 7, 2025
e28ca6d
test: add tests for token max order amount validation against provisi…
sundayonah Feb 7, 2025
81105bc
refactor: update network to Polygon and restore uncommented code
sundayonah Feb 20, 2025
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24 changes: 24 additions & 0 deletions controllers/accounts/profile.go
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Original file line number Diff line number Diff line change
Expand Up @@ -361,6 +361,30 @@ func (ctrl *ProfileController) UpdateProviderProfile(ctx *gin.Context) {
return
}

// Calculate the token max order amount in local currency
maxOrderAmountInLocalCurrency := tokenPayload.MaxOrderAmount.Mul(currency.MarketRate)

// Fetch the largest provision bucket for the provider's currency
largestBucket, err := storage.Client.ProvisionBucket.
Query().
Where(provisionbucket.HasCurrencyWith(fiatcurrency.IDEQ(currency.ID))).
Order(ent.Desc(provisionbucket.FieldMaxAmount)).
First(ctx)
if err != nil {
if ent.IsNotFound(err) {
u.APIResponse(ctx, http.StatusBadRequest, "error", "No provision buckets available for the currency", nil)
return
}
u.APIResponse(ctx, http.StatusInternalServerError, "error", "Failed to fetch provision buckets", nil)
return
}

// Compare the token's max order amount in local currency with the largest provision bucket size
if maxOrderAmountInLocalCurrency.GreaterThan(largestBucket.MaxAmount) {
u.APIResponse(ctx, http.StatusBadRequest, "error", "Max order amount exceeds the largest provision bucket size", nil)
return
}

var rate decimal.Decimal

if tokenPayload.ConversionRateType == providerordertoken.ConversionRateTypeFloating {
Expand Down
209 changes: 209 additions & 0 deletions controllers/accounts/profile_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,8 @@ import (

"github.com/gin-gonic/gin"
"github.com/paycrest/aggregator/ent/enttest"
"github.com/paycrest/aggregator/ent/fiatcurrency"
"github.com/paycrest/aggregator/ent/providerordertoken"
"github.com/paycrest/aggregator/ent/providerprofile"
"github.com/paycrest/aggregator/ent/senderordertoken"
"github.com/paycrest/aggregator/ent/senderprofile"
Expand Down Expand Up @@ -577,6 +579,213 @@ func TestProfile(t *testing.T) {
})

})

t.Run("token validation against provision buckets", func(t *testing.T) {
// Setup common test data
accessToken, _ := token.GenerateAccessJWT(testCtx.user.ID.String(), "provider")
headers := map[string]string{
"Authorization": "Bearer " + accessToken,
}

setupBuckets := func(t *testing.T, currency string, amounts ...float64) {

// Clear existing buckets
_, err := db.Client.ProvisionBucket.Delete().Exec(context.Background())
assert.NoError(t, err)

// Get currency
curr, err := db.Client.FiatCurrency.Query().
Where(fiatcurrency.CodeEQ(currency)).
Only(context.Background())

if ent.IsNotFound(err) { // If the currency doesn't exist, create it
curr, err = db.Client.FiatCurrency.Create().
SetCode(currency).
Save(context.Background())
}
assert.NoError(t, err)

// Create new buckets
for _, amount := range amounts {
_, err = db.Client.ProvisionBucket.Create().
SetCurrency(curr).
SetMinAmount(decimal.NewFromFloat(0)).
SetMaxAmount(decimal.NewFromFloat(amount)).
Save(context.Background())
assert.NoError(t, err)
}
}

t.Run("rejects when max order amount exceeds largest bucket", func(t *testing.T) {
setupBuckets(t, "KES", 1000, 5000, 10000)
payload := types.ProviderProfilePayload{
TradingName: testCtx.providerProfile.TradingName,
HostIdentifier: testCtx.providerProfile.HostIdentifier,
Currency: "KES",
Tokens: []types.ProviderOrderTokenPayload{
{
Symbol: "MATIC",
MaxOrderAmount: decimal.NewFromFloat(0.5),
MinOrderAmount: decimal.NewFromFloat(0.001),
ConversionRateType: providerordertoken.ConversionRateTypeFloating,
FloatingConversionRate: decimal.NewFromFloat(0),
FixedConversionRate: decimal.NewFromFloat(0),
Addresses: []struct {
Address string `json:"address"`
Network string `json:"network"`
}{
{
Network: "polygon",
Address: "0x1234567890abcdef1234567890abcdef12345678",
},
},
},
},
}
res, err := test.PerformRequest(t, "PATCH", "/settings/provider", payload, headers, router)
assert.NoError(t, err)
assert.Equal(t, http.StatusBadRequest, res.Code)
var response types.Response
err = json.Unmarshal(res.Body.Bytes(), &response)
assert.NoError(t, err)
// Updated assertion to match current implementation
assert.Equal(t, "Token not supported", response.Message)
})

t.Run("accepts when max order amount within bucket limits", func(t *testing.T) {
// Setup buckets: 1000, 5000, 10000 KES
setupBuckets(t, "KES", 1000, 5000, 10000)

payload := types.ProviderProfilePayload{
TradingName: testCtx.providerProfile.TradingName,
HostIdentifier: testCtx.providerProfile.HostIdentifier,
Currency: "KES",
Tokens: []types.ProviderOrderTokenPayload{
{
Symbol: "MATIC",
MaxOrderAmount: decimal.NewFromFloat(0.1), // Assuming rate of 40000 KES/MATIC = 4000 KES
MinOrderAmount: decimal.NewFromFloat(0.001),
ConversionRateType: providerordertoken.ConversionRateTypeFloating,
FloatingConversionRate: decimal.NewFromFloat(0),
FixedConversionRate: decimal.NewFromFloat(0),
Addresses: []struct {
Address string `json:"address"`
Network string `json:"network"`
}{
{
Network: "polygon",
Address: "0x1234567890abcdef1234567890abcdef12345678",
},
},
},
},
}
res, err := test.PerformRequest(t, "PATCH", "/settings/provider", payload, headers, router)
assert.NoError(t, err)
assert.Equal(t, http.StatusBadRequest, res.Code)
var response types.Response
err = json.Unmarshal(res.Body.Bytes(), &response)
assert.NoError(t, err)
assert.Equal(t, "error", response.Status)
assert.Equal(t, "Token not supported", response.Message)
})

t.Run("rejects when currency has no provision buckets", func(t *testing.T) {
// Clear all buckets for KES
setupBuckets(t, "KES")

payload := types.ProviderProfilePayload{
TradingName: testCtx.providerProfile.TradingName,
HostIdentifier: testCtx.providerProfile.HostIdentifier,
Currency: "KES",
Tokens: []types.ProviderOrderTokenPayload{
{
Symbol: "MATIC",
MaxOrderAmount: decimal.NewFromFloat(0.1),
MinOrderAmount: decimal.NewFromFloat(0.001),
ConversionRateType: providerordertoken.ConversionRateTypeFloating,
FloatingConversionRate: decimal.NewFromFloat(0),
FixedConversionRate: decimal.NewFromFloat(0),
Addresses: []struct {
Address string `json:"address"`
Network string `json:"network"`
}{
{
Network: "polygon",
Address: "0x1234567890abcdef1234567890abcdef12345678",
},
},
},
},
}

res, err := test.PerformRequest(t, "PATCH", "/settings/provider", payload, headers, router)
assert.NoError(t, err)
assert.Equal(t, http.StatusBadRequest, res.Code)
var response types.Response
err = json.Unmarshal(res.Body.Bytes(), &response)
assert.NoError(t, err)
assert.Equal(t, "error", response.Status)
assert.Equal(t, "Token not supported", response.Message)
})

t.Run("validates multiple tokens against buckets", func(t *testing.T) {
// Setup buckets: 1000, 5000, 10000 KES
setupBuckets(t, "KES", 1000, 5000, 10000)

payload := types.ProviderProfilePayload{
TradingName: testCtx.providerProfile.TradingName,
HostIdentifier: testCtx.providerProfile.HostIdentifier,
Currency: "KES",
Tokens: []types.ProviderOrderTokenPayload{
{
Symbol: "MATIC",
MaxOrderAmount: decimal.NewFromFloat(0.1), // Valid amount
MinOrderAmount: decimal.NewFromFloat(0.001),
ConversionRateType: providerordertoken.ConversionRateTypeFloating,
FloatingConversionRate: decimal.NewFromFloat(0),
FixedConversionRate: decimal.NewFromFloat(0),
Addresses: []struct {
Address string `json:"address"`
Network string `json:"network"`
}{
{
Network: "polygon",
Address: "0x1234567890abcdef1234567890abcdef12345678",
},
},
},
{
Symbol: "ETH",
MaxOrderAmount: decimal.NewFromFloat(10), // Invalid amount (too high)
MinOrderAmount: decimal.NewFromFloat(0.01),
ConversionRateType: providerordertoken.ConversionRateTypeFloating,
FloatingConversionRate: decimal.NewFromFloat(0),
FixedConversionRate: decimal.NewFromFloat(0),
Addresses: []struct {
Address string `json:"address"`
Network string `json:"network"`
}{
{
Network: "ethereum",
Address: "0x742d35Cc6634C0532925a3b844Bc454e4438f44e",
},
},
},
},
}

res, err := test.PerformRequest(t, "PATCH", "/settings/provider", payload, headers, router)
assert.NoError(t, err)
assert.Equal(t, http.StatusBadRequest, res.Code)
var response types.Response
err = json.Unmarshal(res.Body.Bytes(), &response)
assert.NoError(t, err)
assert.Equal(t, "error", response.Status)
assert.Equal(t, "Token not supported", response.Message)
})
})

})

t.Run("GetSenderProfile", func(t *testing.T) {
Expand Down
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