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https://github.com/getAlby/hub.git
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72f9b885ec
Adds a GET /api/transactions/stats endpoint that aggregates settled outgoing payments (excluding self-payments) into total volume, total fees paid, and payment count. The new FeeRateWidget on the home dashboard surfaces a volume-weighted average fee rate to highlight how cheap lightning payments are, hidden until there is payment volume.
86 lines
2.3 KiB
Go
86 lines
2.3 KiB
Go
package api
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import (
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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"github.com/getAlby/hub/constants"
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"github.com/getAlby/hub/db"
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"github.com/getAlby/hub/tests"
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)
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func TestGetTransactionStats(t *testing.T) {
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svc, err := tests.CreateTestService(t)
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require.NoError(t, err)
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defer svc.Remove()
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// Two settled outgoing payments — these count towards the stats.
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svc.DB.Create(&db.Transaction{
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State: constants.TRANSACTION_STATE_SETTLED,
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Type: constants.TRANSACTION_TYPE_OUTGOING,
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PaymentHash: "hash1",
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AmountMsat: 1_000_000,
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FeeMsat: 3000,
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})
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svc.DB.Create(&db.Transaction{
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State: constants.TRANSACTION_STATE_SETTLED,
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Type: constants.TRANSACTION_TYPE_OUTGOING,
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PaymentHash: "hash2",
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AmountMsat: 500_000,
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FeeMsat: 2000,
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})
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// Excluded: pending outgoing.
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svc.DB.Create(&db.Transaction{
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State: constants.TRANSACTION_STATE_PENDING,
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Type: constants.TRANSACTION_TYPE_OUTGOING,
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PaymentHash: "hash3",
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AmountMsat: 999_000,
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FeeMsat: 9000,
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})
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// Excluded: settled incoming.
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svc.DB.Create(&db.Transaction{
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State: constants.TRANSACTION_STATE_SETTLED,
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Type: constants.TRANSACTION_TYPE_INCOMING,
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PaymentHash: "hash4",
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AmountMsat: 777_000,
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})
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// Excluded: self-payment (never traverses the network).
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svc.DB.Create(&db.Transaction{
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State: constants.TRANSACTION_STATE_SETTLED,
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Type: constants.TRANSACTION_TYPE_OUTGOING,
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PaymentHash: "hash5",
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AmountMsat: 200_000,
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FeeMsat: 0,
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SelfPayment: true,
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})
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theAPI := &api{db: svc.DB}
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stats, err := theAPI.GetTransactionStats()
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require.NoError(t, err)
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require.NotNil(t, stats)
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assert.Equal(t, uint64(1_500_000), stats.TotalVolumeMsat)
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assert.Equal(t, uint64(1500), stats.TotalVolumeSat)
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assert.Equal(t, uint64(5000), stats.TotalFeesPaidMsat)
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assert.Equal(t, uint64(5), stats.TotalFeesPaidSat)
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assert.Equal(t, uint64(2), stats.NumPayments)
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}
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func TestGetTransactionStats_Empty(t *testing.T) {
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svc, err := tests.CreateTestService(t)
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require.NoError(t, err)
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defer svc.Remove()
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theAPI := &api{db: svc.DB}
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stats, err := theAPI.GetTransactionStats()
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require.NoError(t, err)
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require.NotNil(t, stats)
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assert.Equal(t, uint64(0), stats.TotalVolumeMsat)
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assert.Equal(t, uint64(0), stats.TotalFeesPaidMsat)
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assert.Equal(t, uint64(0), stats.NumPayments)
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}
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