feat(SPV-1419): suggestion (#321)

examples/manage_contacts/helpers.go

@@ -0,0 +1,73 @@
+package main
+
+import (
+	"fmt"
+	"log"
+
+	"github.com/bitcoin-sv/spv-wallet-go-client/commands"
+	"github.com/bitcoin-sv/spv-wallet/models"
+	"github.com/bitcoin-sv/spv-wallet/models/response"
+)
+
+type user struct {
+	xPriv   string
+	xPub    string
+	paymail string
+}
+
+type verificationResults struct {
+	bobValidatedAlicesTotp bool
+	aliceValidatedBobsTotp bool
+}
+
+func examplePaymailCorrectlyEdited(paymail string) string {
+	if paymail == "" || paymail == "example.com" {
+		log.Fatal("Invalid configuration - please replace the paymail domain with your own domain")
+	}
+	return paymail
+}
+
+func assertNoError[T any](val T, err error) T {
+	if err != nil {
+		log.Fatalf("unexpected error: %v", err)
+	}
+	return val
+}
+
+func logSecureMessage(from, to, totp string) {
+	fmt.Printf("\n!!! SECURE COMMUNICATION REQUIRED !!!\n%s's TOTP code for %s:\n", from, to)
+	fmt.Printf("TOTP code: %s\n", totp)
+	fmt.Print("Share using: encrypted message, secure email, phone call or in-person meeting.\n")
+}
+
+func mapToContactModel(resp *response.Contact) *models.Contact {
+	return &models.Contact{
+		ID:       resp.ID,
+		FullName: resp.FullName,
+		Paymail:  resp.Paymail,
+		PubKey:   resp.PubKey,
+		Status:   resp.Status,
+	}
+}
+
+func setupUsers() {
+	fmt.Println("0. Setting up users (optional - uncomment if users are not registered)")
+
+	// Create account for Alice
+	assertNoError(clients.admin.CreateXPub(ctx, &commands.CreateUserXpub{
+		XPub: config.alice.xPub,
+	}))
+	assertNoError(clients.admin.CreatePaymail(ctx, &commands.CreatePaymail{
+		Key:     config.alice.xPub,
+		Address: config.alice.paymail,
+	}))
+
+	// Create account for Bob
+	assertNoError(clients.admin.CreateXPub(ctx, &commands.CreateUserXpub{
+		XPub: config.bob.xPub,
+	}))
+	assertNoError(clients.admin.CreatePaymail(ctx, &commands.CreatePaymail{
+		Key:     config.bob.xPub,
+		Address: config.bob.paymail,
+	}))
+}