backup: add immutable backups for HD-style recovery

cmd/loop/staticaddr_test.go

@@ -0,0 +1,251 @@
+package main
+
+import (
+	"context"
+	"strings"
+	"testing"
+
+	"github.com/btcsuite/btcd/btcutil"
+	"github.com/btcsuite/btcd/chaincfg/chainhash"
+	"github.com/btcsuite/btcd/wire"
+	"github.com/lightninglabs/loop/looprpc"
+	"github.com/lightninglabs/loop/staticaddr/address"
+	"github.com/lightninglabs/loop/staticaddr/deposit"
+	"github.com/lightninglabs/loop/staticaddr/loopin"
+	"github.com/stretchr/testify/require"
+	"github.com/urfave/cli/v3"
+)
+
+func TestStaticAddressDepositRequestAllowsNoUtxos(t *testing.T) {
+	t.Parallel()
+
+	var req *looprpc.NewStaticAddressRequest
+	cmd := &cli.Command{
+		Name:  "deposit",
+		Flags: depositStaticAddressCommand.Flags,
+		Action: func(_ context.Context, cmd *cli.Command) error {
+			var err error
+			req, err = staticAddressDepositRequest(
+				cmd, "bcrt1ptestaddress",
+			)
+
+			return err
+		},
+	}
+
+	err := cmd.Run(context.Background(), []string{
+		"deposit", "--amt", "1000000",
+	})
+	require.NoError(t, err)
+	require.Equal(t, "bcrt1ptestaddress", req.GetSendCoinsRequest().Addr)
+	require.EqualValues(t, 1_000_000, req.GetSendCoinsRequest().Amount)
+	require.Empty(t, req.GetSendCoinsRequest().Outpoints)
+}
+
+// TestLowConfDepositWarningConfirmedOnly verifies confirmed deposits below the
+// conservative warning threshold are included in the warning text.
+func TestLowConfDepositWarningConfirmedOnly(t *testing.T) {
+	t.Parallel()
+
+	deposits := []*looprpc.Deposit{
+		{
+			Outpoint:           "confirmed-low",
+			ConfirmationHeight: 100,
+			BlocksUntilExpiry:  140,
+		},
+		{
+			Outpoint:           "confirmed-high",
+			ConfirmationHeight: 95,
+			BlocksUntilExpiry:  139,
+		},
+	}
+
+	warning := lowConfDepositWarning(
+		deposits, []string{"confirmed-low", "confirmed-high"}, 144,
+	)
+
+	require.Contains(t, warning, "confirmed-low (5 confirmations)")
+	require.NotContains(t, warning, "confirmed-high")
+}
+
+// TestLowConfDepositWarningUnconfirmed verifies unconfirmed deposits get a
+// warning that the swap may wait for confirmation-risk acceptance.
+func TestLowConfDepositWarningUnconfirmed(t *testing.T) {
+	t.Parallel()
+
+	deposits := []*looprpc.Deposit{
+		{
+			Outpoint:           "mempool",
+			ConfirmationHeight: 0,
+			BlocksUntilExpiry:  144,
+		},
+	}
+
+	warning := lowConfDepositWarning(deposits, []string{"mempool"}, 144)
+
+	require.Contains(t, warning, "mempool (unconfirmed)")
+	require.True(
+		t,
+		strings.Contains(
+			warning,
+			"conservative 6-confirmation threshold",
+		),
+	)
+	require.NotContains(t, warning, "executed immediately")
+}
+
+// TestWarningDepositOutpointsAutoSelectPrefersConfirmed verifies automatic
+// warning selection keeps the loop-in preference for confirmed outputs.
+func TestWarningDepositOutpointsAutoSelectPrefersConfirmed(t *testing.T) {
+	t.Parallel()
+
+	const csvExpiry = 1100
+
+	deposits := []*looprpc.Deposit{
+		{
+			Outpoint:           "mempool-large",
+			Value:              2_000_000,
+			ConfirmationHeight: 0,
+			BlocksUntilExpiry:  csvExpiry,
+		},
+		{
+			Outpoint:           "confirmed",
+			Value:              1_500_000,
+			ConfirmationHeight: 100,
+			BlocksUntilExpiry:  csvExpiry - 5,
+		},
+	}
+
+	selected := warningDepositOutpoints(deposits, nil, true, 1_000_000)
+
+	require.Equal(t, []string{"confirmed"}, selected)
+	require.Empty(t, lowConfDepositWarning(deposits, selected, csvExpiry))
+}
+
+// TestWarningDepositOutpointsAutoSelectIncludesNeededUnconfirmed verifies the
+// warning path includes mempool deposits when they are needed for the target.
+func TestWarningDepositOutpointsAutoSelectIncludesNeededUnconfirmed(t *testing.T) {
+	t.Parallel()
+
+	const csvExpiry = 1100
+
+	deposits := []*looprpc.Deposit{
+		{
+			Outpoint:           "confirmed-small",
+			Value:              500_000,
+			ConfirmationHeight: 100,
+			BlocksUntilExpiry:  csvExpiry - 5,
+		},
+		{
+			Outpoint:           "mempool-large",
+			Value:              2_000_000,
+			ConfirmationHeight: 0,
+			BlocksUntilExpiry:  csvExpiry,
+		},
+	}
+
+	selected := warningDepositOutpoints(deposits, nil, true, 1_000_000)
+
+	require.Equal(
+		t, []string{"confirmed-small", "mempool-large"}, selected,
+	)
+
+	warning := lowConfDepositWarning(deposits, selected, csvExpiry)
+	require.Contains(t, warning, "mempool-large (unconfirmed)")
+	require.NotContains(t, warning, "confirmed-small")
+}
+
+// TestWarningDepositSelectionMatchesLoopInSelection verifies CLI warning
+// selection matches the loop-in selector.
+func TestWarningDepositSelectionMatchesLoopInSelection(t *testing.T) {
+	t.Parallel()
+
+	const (
+		blockHeight  = uint32(10_000)
+		csvExpiry    = uint32(1_200)
+		targetAmount = int64(2_500_000)
+	)
+
+	type fixture struct {
+		name               string
+		value              int64
+		confirmationHeight int64
+	}
+
+	fixtures := []fixture{
+		{
+			name:               "mempool-huge",
+			value:              3_000_000,
+			confirmationHeight: 0,
+		},
+		{
+			name:               "confirmed-later-expiry",
+			value:              2_000_000,
+			confirmationHeight: 9_900,
+		},
+		{
+			name:               "confirmed-earlier-expiry",
+			value:              2_000_000,
+			confirmationHeight: 9_890,
+		},
+		{
+			name:               "confirmed-small",
+			value:              600_000,
+			confirmationHeight: 9_900,
+		},
+		{
+			name:               "confirmed-too-close-to-expiry",
+			value:              5_000_000,
+			confirmationHeight: 9_849,
+		},
+	}
+
+	rpcDeposits := make([]*looprpc.Deposit, 0, len(fixtures))
+	loopInDeposits := make([]*deposit.Deposit, 0, len(fixtures))
+	for idx, fixture := range fixtures {
+		hash := chainhash.Hash{byte(idx + 1)}
+		outpoint := wire.OutPoint{
+			Hash:  hash,
+			Index: uint32(idx),
+		}
+
+		blocksUntilExpiry := int64(0)
+		if fixture.confirmationHeight > 0 {
+			blocksUntilExpiry = fixture.confirmationHeight +
+				int64(csvExpiry) - int64(blockHeight)
+		}
+
+		rpcDeposits = append(rpcDeposits, &looprpc.Deposit{
+			Outpoint:           outpoint.String(),
+			Value:              fixture.value,
+			ConfirmationHeight: fixture.confirmationHeight,
+			BlocksUntilExpiry:  blocksUntilExpiry,
+		})
+		loopInDeposits = append(loopInDeposits, &deposit.Deposit{
+			OutPoint:           outpoint,
+			Value:              btcutil.Amount(fixture.value),
+			ConfirmationHeight: fixture.confirmationHeight,
+			AddressParams: &address.Parameters{
+				Expiry: csvExpiry,
+			},
+		})
+	}
+
+	cliSelected := autoSelectedWarningOutpoints(
+		rpcDeposits, targetAmount,
+	)
+
+	loopInSelected, err := loopin.SelectDeposits(
+		btcutil.Amount(targetAmount), loopInDeposits, blockHeight,
+	)
+	require.NoError(t, err)
+
+	loopInSelectedOutpoints := make([]string, 0, len(loopInSelected))
+	for _, selected := range loopInSelected {
+		loopInSelectedOutpoints = append(
+			loopInSelectedOutpoints, selected.OutPoint.String(),
+		)
+	}
+
+	require.Equal(t, loopInSelectedOutpoints, cliSelected)
+}

cmd/loop/testdata/sessions/static-filters/02_loop-static-listdeposits-withdrawing.json

@@ -65,6 +65,7 @@
           "            \"id\": \"bb7f050df0b7c3e1fe61010e10ad45e30ddf7acd301fa6e05a2ddb825b5c2efb\",\n",
           "            \"outpoint\": \"56cd081a3a6eadf25b7d3fe0b61207389352ed69a622d2ec28c5d669bf6a5313:0\",\n",
           "            \"state\": \"WITHDRAWING\",\n",
+          "            \"static_address\": \"\",\n",
           "            \"swap_hash\": \"\",\n",
           "            \"value\": \"500000\"\n",
           "        }\n",

cmd/loop/testdata/sessions/static-filters/03_loop-static-listdeposits-withdrawn.json

@@ -92,6 +92,7 @@
           "            \"id\": \"68262a104c9ec325de6bec37b8e31bd875bbd2f5f0b9ce2da20cf0bd636fc448\",\n",
           "            \"outpoint\": \"edcdab8f0b1138d853a453b8b7a5ac3c694bd53ad38b7ccf062e45f99440e6e6:0\",\n",
           "            \"state\": \"WITHDRAWN\",\n",
+          "            \"static_address\": \"\",\n",
           "            \"swap_hash\": \"\",\n",
           "            \"value\": \"500000\"\n",
           "        },\n",
@@ -101,6 +102,7 @@
           "            \"id\": \"86b5e2cdf9694c8e7398e42afde109766d7cd2142203905ba63fbd0eb1370ef3\",\n",
           "            \"outpoint\": \"bb358e4f73ae97c4e2d99c6d64e852bba7cf56e13105b05d1200b8ae1796665e:0\",\n",
           "            \"state\": \"WITHDRAWN\",\n",
+          "            \"static_address\": \"\",\n",
           "            \"swap_hash\": \"\",\n",
           "            \"value\": \"500000\"\n",
           "        },\n",
@@ -110,6 +112,7 @@
           "            \"id\": \"6c290f7536ea5097946afffac6a69906a26d775823ebbacedfe6f2d69c0745e4\",\n",
           "            \"outpoint\": \"5eaa7dd7a291665393eddf5dece91feef901f22665933cce7a0732a9b81c3001:0\",\n",
           "            \"state\": \"WITHDRAWN\",\n",
+          "            \"static_address\": \"\",\n",
           "            \"swap_hash\": \"\",\n",
           "            \"value\": \"500000\"\n",
           "        },\n",
@@ -119,6 +122,7 @@
           "            \"id\": \"0182b4d895b1c467290ae7b5c6c42ff76b2a4225807a94211c973170d5a883eb\",\n",
           "            \"outpoint\": \"7e6360d6e6a394cfd096adf0bfe1275c5a83541eb573e90e463a78dc715f8894:0\",\n",
           "            \"state\": \"WITHDRAWN\",\n",
+          "            \"static_address\": \"\",\n",
           "            \"swap_hash\": \"\",\n",
           "            \"value\": \"500000\"\n",
           "        }\n",

cmd/loop/testdata/sessions/static-filters/05_loop-static-listdeposits-looped_in.json

@@ -65,6 +65,7 @@
           "            \"id\": \"8fbd6da2f945de2905aa7fa93860744d9387d3464484360e96e467a51de3bc9d\",\n",
           "            \"outpoint\": \"9fa0d5dd5348794aa0541dd2729497f0907890606d044e1c4757bdc848f38df8:0\",\n",
           "            \"state\": \"LOOPED_IN\",\n",
+          "            \"static_address\": \"\",\n",
           "            \"swap_hash\": \"84302337424036419396ab7964dd78b85b1a481a9f1db73db5cddee57c2443e7\",\n",
           "            \"value\": \"500000\"\n",
           "        }\n",

cmd/loop/testdata/sessions/static-filters/11_loop-static-listdeposits-failed.json

@@ -110,6 +110,7 @@
           "            \"id\": \"68262a104c9ec325de6bec37b8e31bd875bbd2f5f0b9ce2da20cf0bd636fc448\",\n",
           "            \"outpoint\": \"edcdab8f0b1138d853a453b8b7a5ac3c694bd53ad38b7ccf062e45f99440e6e6:0\",\n",
           "            \"state\": \"WITHDRAWN\",\n",
+          "            \"static_address\": \"\",\n",
           "            \"swap_hash\": \"\",\n",
           "            \"value\": \"500000\"\n",
           "        },\n",
@@ -119,6 +120,7 @@
           "            \"id\": \"86b5e2cdf9694c8e7398e42afde109766d7cd2142203905ba63fbd0eb1370ef3\",\n",
           "            \"outpoint\": \"bb358e4f73ae97c4e2d99c6d64e852bba7cf56e13105b05d1200b8ae1796665e:0\",\n",
           "            \"state\": \"WITHDRAWN\",\n",
+          "            \"static_address\": \"\",\n",
           "            \"swap_hash\": \"\",\n",
           "            \"value\": \"500000\"\n",
           "        },\n",
@@ -128,6 +130,7 @@
           "            \"id\": \"6c290f7536ea5097946afffac6a69906a26d775823ebbacedfe6f2d69c0745e4\",\n",
           "            \"outpoint\": \"5eaa7dd7a291665393eddf5dece91feef901f22665933cce7a0732a9b81c3001:0\",\n",
           "            \"state\": \"WITHDRAWN\",\n",
+          "            \"static_address\": \"\",\n",
           "            \"swap_hash\": \"\",\n",
           "            \"value\": \"500000\"\n",
           "        },\n",
@@ -137,6 +140,7 @@
           "            \"id\": \"0182b4d895b1c467290ae7b5c6c42ff76b2a4225807a94211c973170d5a883eb\",\n",
           "            \"outpoint\": \"7e6360d6e6a394cfd096adf0bfe1275c5a83541eb573e90e463a78dc715f8894:0\",\n",
           "            \"state\": \"WITHDRAWN\",\n",
+          "            \"static_address\": \"\",\n",
           "            \"swap_hash\": \"\",\n",
           "            \"value\": \"500000\"\n",
           "        },\n",
@@ -146,6 +150,7 @@
           "            \"id\": \"8fbd6da2f945de2905aa7fa93860744d9387d3464484360e96e467a51de3bc9d\",\n",
           "            \"outpoint\": \"9fa0d5dd5348794aa0541dd2729497f0907890606d044e1c4757bdc848f38df8:0\",\n",
           "            \"state\": \"LOOPED_IN\",\n",
+          "            \"static_address\": \"\",\n",
           "            \"swap_hash\": \"84302337424036419396ab7964dd78b85b1a481a9f1db73db5cddee57c2443e7\",\n",
           "            \"value\": \"500000\"\n",
           "        },\n",
@@ -155,6 +160,7 @@
           "            \"id\": \"bb7f050df0b7c3e1fe61010e10ad45e30ddf7acd301fa6e05a2ddb825b5c2efb\",\n",
           "            \"outpoint\": \"56cd081a3a6eadf25b7d3fe0b61207389352ed69a622d2ec28c5d669bf6a5313:0\",\n",
           "            \"state\": \"WITHDRAWING\",\n",
+          "            \"static_address\": \"\",\n",
           "            \"swap_hash\": \"\",\n",
           "            \"value\": \"500000\"\n",
           "        }\n",

cmd/loop/testdata/sessions/static-filters/14_loop-static-listdeposits-channel_published-nonempty.json

@@ -77,6 +77,7 @@
           "            \"id\": \"7a7cbe9b90f23d47aa92eb10a9d323f7ace6e9eaab5b77379c63422c15da19c8\",\n",
           "            \"outpoint\": \"0e70673c1da3343648c26f779555346f30d235314838b1160826d0d5c29b4fba:1\",\n",
           "            \"state\": \"CHANNEL_PUBLISHED\",\n",
+          "            \"static_address\": \"\",\n",
           "            \"swap_hash\": \"\",\n",
           "            \"value\": \"500000\"\n",
           "        },\n",
@@ -86,6 +87,7 @@
           "            \"id\": \"ff9a43b2082f906a2e2758934220c4ce32393eb2823b292517ae081e16daded9\",\n",
           "            \"outpoint\": \"d2d6e50f157f0d31b8688a4af4f064edf3454714e92369b2c8c4d82477edbaca:0\",\n",
           "            \"state\": \"CHANNEL_PUBLISHED\",\n",
+          "            \"static_address\": \"\",\n",
           "            \"swap_hash\": \"\",\n",
           "            \"value\": \"1000000\"\n",
           "        }\n",