cmd/lncli/types: add Utxo and OutPoint display types

cmd/lncli/types.go

@@ -0,0 +1,40 @@
+package main
+
+import (
+	"fmt"
+
+	"github.com/lightningnetwork/lnd/lnrpc"
+)
+
+// OutPoint displays an outpoint string in the form "<txid>:<output-index>".
+type OutPoint string
+
+// NewOutPointFromProto formats the lnrpc.OutPoint into an OutPoint for display.
+func NewOutPointFromProto(op *lnrpc.OutPoint) OutPoint {
+	return OutPoint(fmt.Sprintf("%s:%d", op.TxidStr, op.OutputIndex))
+}
+
+// Utxo displays information about an unspent output, including its address,
+// amount, pkscript, and confirmations.
+type Utxo struct {
+	Type          lnrpc.AddressType `json:"address_type"`
+	Address       string            `json:"address"`
+	AmountSat     int64             `json:"amount_sat"`
+	ScriptPubkey  string            `json:"script_pubkey"`
+	OutPoint      OutPoint          `json:"outpoint"`
+	Confirmations int64             `json:"confirmations"`
+}
+
+// NewUtxoFromProto creates a display Utxo from the Utxo proto. This filters out
+// the raw txid bytes from the provided outpoint, which will otherwise be
+// printed in base64.
+func NewUtxoFromProto(utxo *lnrpc.Utxo) *Utxo {
+	return &Utxo{
+		Type:          utxo.Type,
+		Address:       utxo.Address,
+		AmountSat:     utxo.AmountSat,
+		ScriptPubkey:  utxo.ScriptPubkey,
+		OutPoint:      NewOutPointFromProto(utxo.Outpoint),
+		Confirmations: utxo.Confirmations,
+	}
+}