feat: add r/vik000/gnoplace

feat: add r/vik000/gnoplace

Author: leohhhn

packages/r/vik000/gnoplace/admin.gno

@@ -0,0 +1,37 @@
+package gnoplace
+
+import (
+	"chain/runtime"
+	"time"
+
+	"gno.land/p/nt/avl"
+	"gno.land/p/nt/ownable"
+)
+
+var (
+	OwnableMain   = ownable.NewWithAddress("g13kytw9mpyutwmyg5eq7arqxqcszfl6uq4p89zg")
+	OwnableBackup = ownable.NewWithAddress("g1f699cfulem8jvq69pxlm5eq945dzusptzkdrgz")
+)
+
+// Resets gnoplace
+func Reset(_ realm) {
+	CheckPermission()
+
+	users = avl.NewTree()
+	pixels = [300]int{}
+}
+
+func SetInterval(_ realm, interval int) {
+	CheckPermission()
+
+	interval_s = time.Duration(interval) * time.Second
+}
+
+func CheckPermission() {
+	addr := runtime.PreviousRealm().Address()
+	if addr == OwnableMain.Owner() || addr == OwnableBackup.Owner() {
+		return
+	} else {
+		panic("access restricted")
+	}
+}

packages/r/vik000/gnoplace/gnomod.toml

@@ -0,0 +1,2 @@
+module = "gno.land/r/vik000/gnoplace"
+gno = "0.9"

packages/r/vik000/gnoplace/gnoplace.gno

@@ -0,0 +1,101 @@
+package gnoplace
+
+import (
+	"chain/runtime"
+	"net/url"
+	"strconv"
+	"time"
+
+	"gno.land/p/moul/md"
+	"gno.land/p/nt/avl"
+	"gno.land/r/leon/hor"
+)
+
+// todo: versionning
+
+var (
+	users      = avl.NewTree()
+	pixels     = [300]int{0}
+	interval_s = 30 * time.Second
+	colors     = []string{"⬜", "⬛", "🟦", "🟪", "🟧", "🟫", "🟥", "🟨", "🟩"}
+)
+
+func init() {
+	hor.Register(cross, "GnoPlace", "a mini version of r/place  \n🟥🟩🟦🟨")
+}
+
+// Sets a pixel to a color
+func SetPixel(_ realm, pixel int, color int) {
+	// check for errors
+	if pixel < 0 || pixel >= len(pixels) {
+		panic("invalid pixel")
+	}
+	if color < 0 || color >= len(colors) {
+		panic("invalid color")
+	}
+
+	// check if user allowed to set pixel
+	lastEvent, ok := users.Get(runtime.PreviousRealm().Address().String())
+
+	if ok && time.Since(lastEvent.(time.Time)) < interval_s {
+		panic("you placed a pixel less than " + interval_s.String() + " ago")
+	}
+
+	pixels[pixel] = color
+
+	// record the SetPixel event time for this user
+	users.Set(runtime.PreviousRealm().Address().String(), time.Now())
+}
+
+// Render renders ui and pixel grid
+func Render(path string) string {
+	u, _ := url.Parse(path)
+	query := u.Query()
+	color := atoiDefault(query.Get("color"), -1)
+
+	// show home
+	out := md.H1("GnoPlace")
+	out += md.HorizontalRule()
+	out += md.H2("1 - Select your pixel color")
+
+	for i, _ := range colors {
+		out += md.Link(colors[i], "?color="+strconv.Itoa(i)) + " "
+	}
+
+	out += "  \n"
+
+	out += "## 2 - Click a pixel to paint it"
+	if color >= 0 {
+		out += " with color " + colors[color]
+	}
+	out += "  \n"
+
+	// render pixels
+	for i, _ := range pixels {
+		out += renderPixel(i, color)
+		if (i+1)%20 == 0 {
+			out += "  \n"
+		}
+	}
+
+	out += md.H2("3 - Wait " + interval_s.String() + " before placing again :)")
+	out += md.HorizontalRule()
+	out += "If you enjoy gnoplace, please upvote in "
+	out += md.Link("the Hall of Realms", "/r/leon/hor:hall?sort=creation") + "!\n"
+
+	return out
+}
+
+// helper to render a pixel
+func renderPixel(pixel int, color int) string {
+	return md.Link(colors[pixels[pixel]], "gnoplace$help&func=SetPixel&.send=&pixel="+strconv.Itoa(pixel)+"&color="+strconv.Itoa(color))
+}
+
+// atoiDefault converts string to integer with a default fallback
+func atoiDefault(s string, def int) int {
+	if s == "" {
+		return def
+	}
+	i, _ := strconv.Atoi(s)
+	return i
+}

packages/r/vik000/gnoplace/gnoplace_test.gno

@@ -0,0 +1,83 @@
+package gnoplace
+
+import (
+	"strings"
+	"testing"
+
+	"gno.land/p/nt/testutils"
+	"gno.land/p/nt/urequire"
+)
+
+var (
+	user1 = testutils.TestAddress("user1")
+	user2 = testutils.TestAddress("user2")
+	user3 = testutils.TestAddress("user3")
+)
+
+func TestGnoPlace(t *testing.T) {
+	// Test initial render
+	output := Render("")
+	urequire.True(t, strings.Contains(output, "GnoPlace"), "should contain title")
+
+	// Test render with color parameter
+	output = Render("?color=1")
+	urequire.True(t, strings.Contains(output, "with color"), "should show selected color")
+
+	// User 1 sets a pixel
+	testing.SetRealm(testing.NewUserRealm(user1))
+	urequire.NotPanics(t, func() {
+		SetPixel(cross, 0, 1)
+	}, "user1 should be able to set pixel")
+
+	// User 1 tries to set another pixel too soon (should panic)
+	urequire.AbortsWithMessage(t, "you placed a pixel less than 30s ago", func() {
+		SetPixel(cross, 2, 3)
+	}, "user1 should not be able to set pixel too soon")
+
+	// User 2 sets a different pixel (should work immediately)
+	testing.SetRealm(testing.NewUserRealm(user2))
+	urequire.NotPanics(t, func() {
+		SetPixel(cross, 1, 2)
+	}, "user2 should be able to set pixel")
+}
+
+func TestSetPixel_InvalidInputs(t *testing.T) {
+	testing.SetRealm(testing.NewUserRealm(user1))
+
+	// Test invalid pixel (negative)
+	urequire.AbortsWithMessage(t, "invalid pixel", func() {
+		SetPixel(cross, -1, 1)
+	})
+
+	// Test invalid pixel (out of bounds)
+	urequire.AbortsWithMessage(t, "invalid pixel", func() {
+		SetPixel(cross, 300, 1)
+	})
+
+	// Test invalid color (negative)
+	urequire.AbortsWithMessage(t, "invalid color", func() {
+		SetPixel(cross, 0, -1)
+	})
+
+	// Test invalid color (out of bounds)
+	urequire.AbortsWithMessage(t, "invalid color", func() {
+		SetPixel(cross, 0, 10)
+	})
+}
+
+func TestAtoiDefault(t *testing.T) {
+	urequire.Equal(t, 10, atoiDefault("", 10), "empty string should return default")
+	urequire.Equal(t, 5, atoiDefault("5", 10), "valid number should be parsed")
+	urequire.Equal(t, 0, atoiDefault("0", 10), "zero should be parsed")
+	urequire.Equal(t, 0, atoiDefault("invalid", 10), "invalid string should return 0")
+}
+
+func TestRenderPixel(t *testing.T) {
+	// Set a pixel to test rendering
+	testing.SetRealm(testing.NewUserRealm(user3))
+	SetPixel(cross, 0, 1)
+
+	// Test render pixel function
+	output := renderPixel(0, 1)
+	urequire.True(t, strings.Contains(output, "SetPixel"), "should contain SetPixel call")
+}