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- package lnwallet
- import (
- "fmt"
- "testing"
- "github.com/btcsuite/btcd/btcutil"
- "github.com/lightningnetwork/lnd/input"
- "github.com/lightningnetwork/lnd/lnwire"
- "github.com/stretchr/testify/require"
- )
- // TestDefaultRoutingFeeLimitForAmount tests that we use the correct default
- // routing fee depending on the amount.
- func TestDefaultRoutingFeeLimitForAmount(t *testing.T) {
- t.Parallel()
- tests := []struct {
- amount lnwire.MilliSatoshi
- expectedLimit lnwire.MilliSatoshi
- }{
- {
- amount: 1,
- expectedLimit: 1,
- },
- {
- amount: lnwire.NewMSatFromSatoshis(1_000),
- expectedLimit: lnwire.NewMSatFromSatoshis(1_000),
- },
- {
- amount: lnwire.NewMSatFromSatoshis(1_001),
- expectedLimit: 50_050,
- },
- {
- amount: 5_000_000_000,
- expectedLimit: 250_000_000,
- },
- }
- for _, test := range tests {
- test := test
- t.Run(fmt.Sprintf("%d sats", test.amount), func(t *testing.T) {
- feeLimit := DefaultRoutingFeeLimitForAmount(test.amount)
- require.Equal(t, int64(test.expectedLimit), int64(feeLimit))
- })
- }
- }
- // TestDustLimitForSize tests that we receive the expected dust limits for
- // various script types from btcd's GetDustThreshold function.
- func TestDustLimitForSize(t *testing.T) {
- t.Parallel()
- tests := []struct {
- name string
- size int
- expectedLimit btcutil.Amount
- }{
- {
- name: "p2pkh dust limit",
- size: input.P2PKHSize,
- expectedLimit: btcutil.Amount(546),
- },
- {
- name: "p2sh dust limit",
- size: input.P2SHSize,
- expectedLimit: btcutil.Amount(540),
- },
- {
- name: "p2wpkh dust limit",
- size: input.P2WPKHSize,
- expectedLimit: btcutil.Amount(294),
- },
- {
- name: "p2wsh dust limit",
- size: input.P2WSHSize,
- expectedLimit: btcutil.Amount(330),
- },
- {
- name: "unknown witness limit",
- size: input.UnknownWitnessSize,
- expectedLimit: btcutil.Amount(354),
- },
- }
- for _, test := range tests {
- test := test
- t.Run(test.name, func(t *testing.T) {
- dustlimit := DustLimitForSize(test.size)
- require.Equal(t, test.expectedLimit, dustlimit)
- })
- }
- }
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