lnwallet: add previous_outpoints to ListTransactionDetails

lnwallet/btcwallet/btcwallet_test.go

@@ -0,0 +1,134 @@
+package btcwallet
+
+import (
+	"testing"
+
+	"github.com/btcsuite/btcd/wire"
+	"github.com/btcsuite/btcwallet/wallet"
+	"github.com/lightningnetwork/lnd/lnwallet"
+	"github.com/stretchr/testify/require"
+)
+
+type previousOutpointsTest struct {
+	name     string
+	tx       *wire.MsgTx
+	myInputs []wallet.TransactionSummaryInput
+	expRes   []lnwallet.PreviousOutPoint
+}
+
+var previousOutpointsTests = []previousOutpointsTest{{
+	name: "both outpoints are wallet controlled",
+	tx: &wire.MsgTx{
+		TxIn: []*wire.TxIn{{
+			PreviousOutPoint: wire.OutPoint{Index: 0},
+		}, {
+			PreviousOutPoint: wire.OutPoint{Index: 1},
+		}},
+	},
+	myInputs: []wallet.TransactionSummaryInput{{
+		Index: 0,
+	}, {
+		Index: 1,
+	}},
+	expRes: []lnwallet.PreviousOutPoint{{
+		OutPoint:    wire.OutPoint{Index: 0}.String(),
+		IsOurOutput: true,
+	}, {
+		OutPoint:    wire.OutPoint{Index: 1}.String(),
+		IsOurOutput: true,
+	}},
+}, {
+	name: "only one outpoint is wallet controlled",
+	tx: &wire.MsgTx{
+		TxIn: []*wire.TxIn{{
+			PreviousOutPoint: wire.OutPoint{Index: 0},
+		}, {
+			PreviousOutPoint: wire.OutPoint{Index: 1},
+		}},
+	},
+	myInputs: []wallet.TransactionSummaryInput{{
+		Index: 0,
+	}, {
+		Index: 2,
+	}},
+	expRes: []lnwallet.PreviousOutPoint{{
+		OutPoint:    wire.OutPoint{Index: 0}.String(),
+		IsOurOutput: true,
+	}, {
+		OutPoint:    wire.OutPoint{Index: 1}.String(),
+		IsOurOutput: false,
+	}},
+}, {
+	name: "no outpoint is wallet controlled",
+	tx: &wire.MsgTx{
+		TxIn: []*wire.TxIn{{
+			PreviousOutPoint: wire.OutPoint{Index: 0},
+		}, {
+			PreviousOutPoint: wire.OutPoint{Index: 1},
+		}},
+	},
+	myInputs: []wallet.TransactionSummaryInput{{
+		Index: 2,
+	}, {
+		Index: 3,
+	}},
+	expRes: []lnwallet.PreviousOutPoint{{
+		OutPoint:    wire.OutPoint{Index: 0}.String(),
+		IsOurOutput: false,
+	}, {
+		OutPoint:    wire.OutPoint{Index: 1}.String(),
+		IsOurOutput: false,
+	}},
+}, {
+	name: "tx is empty",
+	tx: &wire.MsgTx{
+		TxIn: []*wire.TxIn{},
+	},
+	myInputs: []wallet.TransactionSummaryInput{{
+		Index: 2,
+	}, {
+		Index: 3,
+	}},
+	expRes: []lnwallet.PreviousOutPoint{},
+}, {
+	name: "wallet controlled input set is empty",
+	tx: &wire.MsgTx{
+		TxIn: []*wire.TxIn{{
+			PreviousOutPoint: wire.OutPoint{Index: 0},
+		}, {
+			PreviousOutPoint: wire.OutPoint{Index: 1},
+		}},
+	},
+	myInputs: []wallet.TransactionSummaryInput{},
+	expRes: []lnwallet.PreviousOutPoint{{
+		OutPoint:    wire.OutPoint{Index: 0}.String(),
+		IsOurOutput: false,
+	}, {
+		OutPoint:    wire.OutPoint{Index: 1}.String(),
+		IsOurOutput: false,
+	}},
+}}
+
+// TestPreviousOutpoints tests if we are able to get the previous
+// outpoints correctly.
+func TestPreviousOutpoints(t *testing.T) {
+	for _, test := range previousOutpointsTests {
+		t.Run(test.name, func(t *testing.T) {
+			respOutpoints := getPreviousOutpoints(
+				test.tx, test.myInputs,
+			)
+
+			for idx, respOutpoint := range respOutpoints {
+				expRes := test.expRes[idx]
+				require.Equal(
+					t, expRes.OutPoint,
+					respOutpoint.OutPoint,
+				)
+				require.Equal(
+					t, expRes.IsOurOutput,
+					respOutpoint.IsOurOutput,
+				)
+			}
+		})
+	}
+}