feat: adds a hint as to what scanning the QR code will do

ui/pages/transaction/controller.go

@@ -1,6 +1,8 @@
 package transaction
 
 import (
+	"fmt"
+
 	"github.com/algorand/go-algorand-sdk/v2/types"
 	"github.com/algorandfoundation/algourl/encoder"
 	"github.com/algorandfoundation/hack-tui/api"
@@ -17,30 +19,31 @@ func (m ViewModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 }
 
 func (m *ViewModel) UpdateTxnURLAndQRCode() error {
-
 	accountStatus := m.State.Accounts[m.Data.Address].Status
 
-	var isOnline bool
+	m.hint = ""
 
+	senderAddress, err := types.DecodeAddress(m.Data.Address)
+	if err != nil {
+		return err
+	}
+
+	var isOnline bool
 	switch accountStatus {
-	case "Offline":
-		isOnline = false
 	case "Online":
 		isOnline = true
+	case "Offline":
+		isOnline = false
 	case "NotParticipating": // This status means the account can never participate in consensus
 		m.urlTxn = ""
 		m.asciiQR = ""
+		m.hint = fmt.Sprintf("%s is NotParticipating. Cannot register key.", senderAddress)
 		return nil
 	}
 
 	// Construct Transaction
 	tx := types.Transaction{}
 
-	senderAddress, err := types.DecodeAddress(m.Data.Address)
-	if err != nil {
-		return err
-	}
-
 	if !isOnline { // TX take account online
 		var stateProofPk types.MerkleVerifier
 		copy(stateProofPk[:], (*m.Data.Key.StateProofKey)[:])
@@ -61,6 +64,13 @@ func (m *ViewModel) UpdateTxnURLAndQRCode() error {
 			},
 		}
 
+		// Update hint if no error
+		defer func() {
+			if err == nil {
+				m.hint = fmt.Sprintf("Scan this QR code to take %s Online.", senderAddress)
+			}
+		}()
+
 	} else { // TX to take account offline
 		tx = types.Transaction{
 			Type: types.KeyRegistrationTx,
@@ -69,6 +79,13 @@ func (m *ViewModel) UpdateTxnURLAndQRCode() error {
 				Fee:    1000, //TODO: get proper fee
 			},
 		}
+
+		// Update hint if no error
+		defer func() {
+			if err == nil {
+				m.hint = fmt.Sprintf("Scan this QR code to take %s Offline.", senderAddress)
+			}
+		}()
 	}
 
 	// Construct QR Code
@@ -89,7 +106,6 @@ func (m *ViewModel) UpdateTxnURLAndQRCode() error {
 
 	m.urlTxn = kr.String()
 	m.asciiQR = qrCode
-
 	return nil
 }
 

ui/pages/transaction/model.go

@@ -27,9 +27,10 @@ type ViewModel struct {
 	// Components
 	controls controls.Model
 
-	// QR Code and URL
+	// QR Code, URL and hint text
 	asciiQR string
 	urlTxn  string
+	hint    string
 }
 
 // New creates and instance of the ViewModel with a default controls.Model

ui/pages/transaction/view.go

@@ -13,13 +13,19 @@ func (m ViewModel) View() string {
 	urlStyle := lipgloss.NewStyle().
 		Width(m.Width - 2)
 
-	red := lipgloss.NewStyle().Foreground(lipgloss.Color("9"))
+	red := lipgloss.NewStyle().
+		Foreground(lipgloss.Color("9")).
+		Width(m.Width - 2)
+
+	yellow := lipgloss.NewStyle().
+		Foreground(lipgloss.Color("11")).
+		Width(m.Width - 2)
+
+	var Padding1 = lipgloss.NewStyle().Padding().Render
 
 	if m.asciiQR == "" || m.urlTxn == "" {
 		return lipgloss.JoinVertical(
 			lipgloss.Left,
-			m.asciiQR,
-			m.urlTxn,
 			"No QR Code or TxnURL available",
 			"\n",
 			m.controls.View())
@@ -33,7 +39,9 @@ func (m ViewModel) View() string {
 	}
 	return lipgloss.JoinVertical(
 		lipgloss.Left,
-		urlStyle.Render(m.urlTxn),
+		yellow.Render(m.hint),
+		Padding1(),
 		qrStyle.Render(m.asciiQR),
+		urlStyle.Render(m.urlTxn),
 		m.controls.View())
 }