Implement signup with lightning

db/init.sql

@@ -1,8 +1,8 @@
 CREATE TABLE users(
     id SERIAL PRIMARY KEY,
     created_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT CURRENT_TIMESTAMP,
-    ln_pubkey TEXT,
+    ln_pubkey TEXT UNIQUE,
-    nostr_pubkey TEXT,
+    nostr_pubkey TEXT UNIQUE,
     msats BIGINT NOT NULL DEFAULT 0
 );
 

public/css/_tw-input.css

@@ -29,14 +29,14 @@
     @apply pb-1;
   }
 
-  a,
+  a:not(.no-link),
   button[hx-get],
   button[hx-post] {
     text-decoration: underline;
     transition: background-color 150ms ease-in, color 150ms ease-in;
   }
 
-  a:hover,
+  a:not(.no-link):hover,
   button[hx-get]:hover,
   button[hx-post]:hover {
     background-color: var(--color);
@@ -70,10 +70,12 @@
     @apply my-3
   }
 
-  .login {
+  .login, .signup {
+    text-decoration: none !important;
+    transition: none !important;
+    padding: 0.25em 1em !important;
     width: fit-content;
     margin: 0 auto;
-    padding: 0.25em 1em;
     border-radius: 5px;
     font-weight: bold;
   }

server/auth/lnauth.go

@@ -8,58 +8,74 @@ import (
 
 	"github.com/btcsuite/btcd/btcec/v2"
 	"github.com/btcsuite/btcutil/bech32"
+	"github.com/decred/dcrd/dcrec/secp256k1/v4"
 
 	"git.ekzyis.com/ekzyis/delphi.market/env"
 )
 
-type LNAuth struct {
+type LnAuth struct {
 	K1    string
 	LNURL string
 }
 
-type LNAuthResponse struct {
+type LnAuthCallback struct {
 	K1  string `query:"k1"`
 	Sig string `query:"sig"`
 	Key string `query:"key"`
+	Tag string `query:"tag"`
 }
 
-func NewLNAuth() (*LNAuth, error) {
+func NewLnAuth(tag string) (*LnAuth, error) {
-	k1 := make([]byte, 32)
+	var (
-	_, err := rand.Read(k1)
+		k1        = make([]byte, 32)
-	if err != nil {
+		k1hex     string
+		url       []byte
+		bech32Url []byte
+		lnurl     string
+		err       error
+	)
+
+	if _, err := rand.Read(k1); err != nil {
 		return nil, fmt.Errorf("rand.Read error: %w", err)
 	}
-	k1hex := hex.EncodeToString(k1)
+
-	url := []byte(fmt.Sprintf("https://%s/api/login/callback?tag=login&k1=%s&action=login", env.PublicURL, k1hex))
+	k1hex = hex.EncodeToString(k1)
-	conv, err := bech32.ConvertBits(url, 8, 5, true)
+	url = []byte(fmt.Sprintf("https://%s/api/lnauth/callback?tag=%s&k1=%s&action=login", env.PublicURL, tag, k1hex))
-	if err != nil {
+
+	if bech32Url, err = bech32.ConvertBits(url, 8, 5, true); err != nil {
 		return nil, fmt.Errorf("bech32.ConvertBits error: %w", err)
 	}
-	lnurl, err := bech32.Encode("lnurl", conv)
+
-	if err != nil {
+	if lnurl, err = bech32.Encode("lnurl", bech32Url); err != nil {
 		return nil, fmt.Errorf("bech32.Encode error: %w", err)
 	}
-	return &LNAuth{k1hex, lnurl}, nil
+
+	return &LnAuth{k1hex, lnurl}, nil
 }
 
-func VerifyLNAuth(r *LNAuthResponse) (bool, error) {
+func VerifyLNAuth(r *LnAuthCallback) (bool, error) {
-	var k1Bytes, sigBytes, keyBytes []byte
+	var (
-	k1Bytes, err := hex.DecodeString(r.K1)
+		k1Bytes, sigBytes, keyBytes []byte
-	if err != nil {
+		key                         *secp256k1.PublicKey
+		err                         error
+	)
+
+	if k1Bytes, err = hex.DecodeString(r.K1); err != nil {
 		return false, fmt.Errorf("k1 decode error: %w", err)
 	}
-	sigBytes, err = hex.DecodeString(r.Sig)
+
-	if err != nil {
+	if sigBytes, err = hex.DecodeString(r.Sig); err != nil {
 		return false, fmt.Errorf("sig decode error: %w", err)
 	}
-	keyBytes, err = hex.DecodeString(r.Key)
+
-	if err != nil {
+	if keyBytes, err = hex.DecodeString(r.Key); err != nil {
 		return false, fmt.Errorf("key decode error: %w", err)
 	}
-	key, err := btcec.ParsePubKey(keyBytes)
+
-	if err != nil {
+	if key, err = btcec.ParsePubKey(keyBytes); err != nil {
 		return false, fmt.Errorf("key parse error: %w", err)
 	}
+
 	ecdsaKey := ecdsa.PublicKey{Curve: btcec.S256(), X: key.X(), Y: key.Y()}
 	return ecdsa.VerifyASN1(&ecdsaKey, k1Bytes, sigBytes), nil
 }

server/router/context/context.go

@@ -25,6 +25,7 @@ var (
 	EnvContextKey     RenderContextKey = "env"
 	SessionContextKey RenderContextKey = "session"
 	CommitContextKey  RenderContextKey = "commit"
+	ReqPathContextKey RenderContextKey = "reqPath"
 )
 
 func RenderContext(sc Context, c echo.Context) context.Context {
@@ -32,5 +33,6 @@ func RenderContext(sc Context, c echo.Context) context.Context {
 	ctx = context.WithValue(ctx, EnvContextKey, sc.Environment)
 	ctx = context.WithValue(ctx, SessionContextKey, c.Get("session"))
 	ctx = context.WithValue(ctx, CommitContextKey, sc.CommitShortSha)
+	ctx = context.WithValue(ctx, ReqPathContextKey, c.Request().URL.Path)
 	return ctx
 }

server/router/handler/signup.go

@@ -0,0 +1,125 @@
+package handler
+
+import (
+	"database/sql"
+	"net/http"
+	"time"
+
+	"git.ekzyis.com/ekzyis/delphi.market/lib"
+	"git.ekzyis.com/ekzyis/delphi.market/server/auth"
+	"git.ekzyis.com/ekzyis/delphi.market/server/router/context"
+	"git.ekzyis.com/ekzyis/delphi.market/server/router/pages"
+	"github.com/labstack/echo/v4"
+)
+
+func HandleSignup(sc context.Context) echo.HandlerFunc {
+	return func(c echo.Context) error {
+
+		if c.Param("method") == "lightning" {
+			return LnAuthSignup(sc, c)
+		}
+
+		return pages.Signup().Render(context.RenderContext(sc, c), c.Response().Writer)
+	}
+}
+
+func LnAuthSignup(sc context.Context, c echo.Context) error {
+	var (
+		db        = sc.Db
+		ctx       = c.Request().Context()
+		lnAuth    *auth.LnAuth
+		sessionId string
+		// sessions expire in 30 days. TODO: refresh sessions
+		expires = time.Now().Add(60 * 60 * 24 * 30 * time.Second)
+		qr      string
+		err     error
+	)
+
+	if lnAuth, err = auth.NewLnAuth("signup"); err != nil {
+		return err
+	}
+
+	if err = db.QueryRowContext(
+		ctx,
+		"INSERT INTO lnauth(k1, lnurl) VALUES($1, $2) RETURNING session_id",
+		lnAuth.K1, lnAuth.LNURL).Scan(&sessionId); err != nil {
+		return err
+	}
+
+	if qr, err = lib.ToQR(lnAuth.LNURL); err != nil {
+		return err
+	}
+
+	c.SetCookie(&http.Cookie{
+		Name:     "session",
+		HttpOnly: true,
+		Path:     "/",
+		Value:    sessionId,
+		Secure:   true,
+		Expires:  expires,
+	})
+
+	return pages.LnAuthSignup(qr, lnAuth.LNURL).Render(context.RenderContext(sc, c), c.Response().Writer)
+}
+
+func HandleLnAuthCallback(sc context.Context) echo.HandlerFunc {
+	return func(c echo.Context) error {
+		var (
+			db        = sc.Db
+			tx        *sql.Tx
+			ctx       = c.Request().Context()
+			query     auth.LnAuthCallback
+			sessionId string
+			userId    int
+			ok        bool
+			err       error
+		)
+
+		if err = c.Bind(&query); err != nil {
+			return echo.NewHTTPError(http.StatusBadRequest)
+		}
+
+		if tx, err = db.BeginTx(ctx, &sql.TxOptions{Isolation: sql.LevelReadCommitted}); err != nil {
+			return err
+		}
+
+		err = tx.QueryRow("SELECT session_id FROM lnauth WHERE k1 = $1 LIMIT 1", query.K1).Scan(&sessionId)
+		if err == sql.ErrNoRows {
+			return echo.NewHTTPError(http.StatusNotFound, map[string]string{"reason": "session not found"})
+		} else if err != nil {
+			return err
+		}
+
+		ok, err = auth.VerifyLNAuth(&query)
+		if err != nil {
+			return err
+		} else if !ok {
+			return echo.NewHTTPError(http.StatusBadRequest, map[string]string{"reason": "bad signature"})
+		}
+
+		if query.Tag == "signup" {
+			if err = tx.QueryRow("INSERT INTO users(ln_pubkey) VALUES ($1) RETURNING id").Scan(&userId); err != nil {
+				return err
+			}
+		} else if query.Tag == "login" {
+			err = tx.QueryRow("SELECT id FROM users WHERE ln_pubkey = $1", query.Key).Scan(&userId)
+			if err == sql.ErrNoRows {
+				return echo.NewHTTPError(http.StatusNotFound, map[string]string{"reason": "user not found"})
+			} else if err != nil {
+				return err
+			}
+		} else {
+			return echo.NewHTTPError(http.StatusBadRequest, map[string]string{"reason": "tag must be signup or login"})
+		}
+
+		if _, err = tx.Exec("INSERT INTO sessions(user_id, session_id) VALUES($1, $2)", userId, sessionId); err != nil {
+			return err
+		}
+
+		if _, err = tx.Exec("DELETE FROM lnauth WHERE k1 = $1", query.K1); err != nil {
+			return err
+		}
+
+		return c.JSON(http.StatusOK, map[string]string{"status": "OK"})
+	}
+}

server/router/pages/about.templ

@@ -6,8 +6,8 @@ templ About() {
 	<html>
 		@components.Head()
 		<body class="container">
-			@components.Header()
+			@components.Nav()
-			<div id="content" class="flex flex-col text-center">
+			<div id="content" class="flex flex-col">
 				@components.Figlet("random", "about")
 				<div class="flex flex-col mb-3">
 					<h1>📈 Prediction market?</h1>

server/router/pages/components/nav.templ

@@ -2,7 +2,7 @@ package components
 
 import c "git.ekzyis.com/ekzyis/delphi.market/server/router/context"
 
-templ Header() {
+templ Nav() {
 	<header class="mt-3">
 		<nav class="flex flex-row" hx-target="#content" hx-swap="outerHTML" hx-select="#content" hx-push-url="true">
 			<div>
@@ -13,7 +13,7 @@ templ Header() {
 				if ctx.Value(c.SessionContextKey) != nil {
 					<button hx-get="/user">user</button>
 				} else {
-					<button hx-get="/login">login</button>
+					<button hx-get="/signup">signup</button>
 				}
 			</div>
 		</nav>

server/router/pages/error.templ

@@ -10,7 +10,7 @@ templ Error(code int) {
 	<html>
 		@components.Head()
 		<body class="container">
-			@components.Header()
+			@components.Nav()
 			<div id="content" class="flex flex-col text-center">
 				@components.Figlet("random", strconv.Itoa(code))
 				<div class="font-mono mb-3">{ http.StatusText(code) }</div>

server/router/pages/index.templ

@@ -6,7 +6,7 @@ templ Index() {
 	<html>
 		@components.Head()
 		<body class="container">
-			@components.Header()
+			@components.Nav()
 			<div id="content" class="flex flex-col text-center">
 				@components.Figlet("random", "delphi")
 				<div class="font-mono my-3">A prediction market using the lightning network</div>

server/router/pages/lnAuthSignup.templ

@@ -0,0 +1,32 @@
+package pages
+
+import "git.ekzyis.com/ekzyis/delphi.market/server/router/pages/components"
+
+templ LnAuthSignup(qr string, lnurl string) {
+	<html>
+		@components.Head()
+		<body class="container">
+			@components.Nav()
+			<div id="content" class="flex flex-col text-center">
+				@components.Figlet("random", "signup")
+				<small><code>with lightning</code></small>
+				<div
+					class="flex flex-col my-3 text-center"
+					hx-target="#content"
+					hx-swap="outerHTML"
+					hx-select="#content"
+					hx-push-url="true"
+				>
+					<a
+						class="mx-auto no-link"
+						href={ templ.SafeURL("lightning:" + lnurl) }
+					>
+						<img src={ "data:image/jpeg;base64," + qr }/>
+					</a>
+					<small class="mx-auto w-[256px] my-1 break-words">{ lnurl }</small>
+				</div>
+			</div>
+			@components.Footer()
+		</body>
+	</html>
+}

server/router/pages/login.templ

@@ -6,15 +6,41 @@ templ Login() {
 	<html>
 		@components.Head()
 		<body class="container">
-			@components.Header()
+			@components.Nav()
 			<div id="content" class="flex flex-col text-center">
 				@components.Figlet("random", "login")
 				<div class="flex flex-col mb-3 text-center">
-					<button class="login lightning my-3">login with lightning</button>
+					<button class="flex login lightning my-3 items-center">
-					<button class="login nostr my-3">login with nostr</button>
+						<svg
+							width="24"
+							height="24"
+							viewBox="0 0 24 24"
+							fill="var(--black)"
+							xmlns="http://www.w3.org/2000/svg"
+						>
+							<path d="M19 10.1907L8.48754 21L12.6726 12.7423H5L14.6157 3L11.5267 10.2835L19 10.1907Z"></path>
+						</svg>
+						login with lightning
+					</button>
+					<button class="flex login nostr my-3 items-center">
+						<svg
+							class="me-1"
+							width="16"
+							height="16"
+							viewBox="0 0 875 875"
+							fill="var(--white)"
+							xmlns="http://www.w3.org/2000/svg"
+						>
+							<path
+								class="cls-1"
+								d="m684.72,485.57c.22,12.59-11.93,51.47-38.67,81.3-26.74,29.83-56.02,20.85-58.42,20.16s-3.09-4.46-7.89-3.77-9.6,6.17-18.86,7.2-17.49,1.71-26.06-1.37c-4.46.69-5.14.71-7.2,2.24s-17.83,10.79-21.6,11.47c0,7.2-1.37,44.57,0,55.89s3.77,25.71,7.54,36c3.77,10.29,2.74,10.63,7.54,9.94s13.37.34,15.77,4.11c2.4,3.77,1.37,6.51,5.49,8.23s60.69,17.14,99.43,19.2c26.74.69,42.86,2.74,52.12,19.54,1.37,7.89,7.54,13.03,11.31,14.06s8.23,2.06,12,5.83,1.03,8.23,5.49,11.66c4.46,3.43,14.74,8.57,25.37,13.71,10.63,5.14,15.09,13.37,15.77,16.11s1.71,10.97,1.71,10.97c0,0-8.91,0-10.97-2.06s-2.74-5.83-2.74-5.83c0,0-6.17,1.03-7.54,3.43s.69,2.74-7.89.69-11.66-3.77-18.17-8.57c-6.51-4.8-16.46-17.14-25.03-16.8,4.11,8.23,5.83,8.23,10.63,10.97s8.23,5.83,8.23,5.83l-7.2,4.46s-4.46,2.06-14.74-.69-11.66-4.46-12.69-10.63,0-9.26-2.74-14.4-4.11-15.77-22.29-21.26c-18.17-5.49-66.52-21.26-100.12-24.69s-22.63-2.74-28.11-1.37-15.77,4.46-26.4-1.37c-10.63-5.83-16.8-13.71-17.49-20.23s-1.71-10.97,0-19.2,3.43-19.89,1.71-26.74-14.06-55.89-19.89-64.12c-13.03,1.03-50.74-.69-50.74-.69,0,0-2.4-.69-17.49,5.83s-36.48,13.76-46.77,19.93-14.4,9.7-16.12,13.13c.12,3-1.23,7.72-2.79,9.06s-12.48,2.42-12.48,2.42c0,0-5.85,5.86-8.25,9.97-6.86,9.6-55.2,125.14-66.52,149.83-13.54,32.57-9.77,27.43-37.71,27.43s-8.06.3-8.06.3c0,0-12.34,5.88-16.8,5.88s-18.86-2.4-26.4,0-16.46,9.26-23.31,10.29-4.95-1.34-8.38-3.74c-4-.21-14.27-.12-14.27-.12,0,0,1.74-6.51,7.91-10.88,8.23-5.83,25.37-16.11,34.63-21.26s17.49-7.89,23.31-9.26,18.51-6.17,30.51-9.94,19.54-8.23,29.83-31.54c10.29-23.31,50.4-111.43,51.43-116.23.63-2.96,3.73-6.48,4.8-15.09.66-5.35-2.49-13.04,1.71-22.63,10.97-25.03,21.6-20.23,26.4-20.23s17.14.34,26.4-1.37,15.43-2.74,24.69-7.89,11.31-8.91,11.31-8.91l-19.89-3.43s-18.51.69-25.03-4.46-15.43-15.77-15.43-15.77l-7.54-7.2,1.03,8.57s-5.14-8.91-6.51-10.29-8.57-6.51-11.31-11.31-7.54-25.03-7.54-25.03l-6.17,13.03-1.71-18.86-5.14,7.2-2.74-16.11-4.8,8.23-3.43-14.4-5.83,4.46-2.4-10.29-5.83-3.43s-14.06-9.26-16.46-9.6-4.46,3.43-4.46,3.43l1.37,12-12.2-6.27-7-11.9s2.36,4.01-9.62,7.53c-20.55,0-21.89-2.28-24.93-3.94-1.31-6.56-5.57-10.11-5.57-10.11h-20.57l-.34-6.86-7.89,3.09.69-10.29h-14.06l1.03-11.31h-8.91s3.09-9.26,25.71-22.97,25.03-16.46,46.29-17.14c21.26-.69,32.91,2.74,46.29,8.23s38.74,13.71,43.89,17.49c11.31-9.94,28.46-19.89,34.29-19.89,1.03-2.4,6.19-12.33,17.96-17.6,35.31-15.81,108.13-34,131.53-35.54,31.2-2.06,7.89-1.37,39.09,2.06,31.2,3.43,54.17,7.54,69.6,12.69,12.58,4.19,25.03,9.6,34.29,2.06,4.33-1.81,11.81-1.34,17.83-5.14,30.69-25.09,34.72-32.35,43.63-41.95s20.14-24.91,22.54-45.14,4.46-58.29-10.63-88.12-28.8-45.26-34.63-69.26c-5.83-24-8.23-61.03-6.17-73.03,2.06-12,5.14-22.29,6.86-30.51s9.94-14.74,19.89-16.46c9.94-1.71,17.83,1.37,22.29,4.8,4.46,3.43,11.65,6.28,13.37,10.29.34,1.71-1.37,6.51,8.23,8.23,9.6,1.71,16.05,4.16,16.05,4.16,0,0,15.64,4.29,3.11,7.73-12.69,2.06-20.52-.71-24.29,1.69s-7.21,10.08-9.61,11.1-7.2.34-12,4.11-9.6,6.86-12.69,14.4-5.49,15.77-3.43,26.74,8.57,31.54,14.4,43.2c5.83,11.66,20.23,40.8,24.34,47.66s15.77,29.49,16.8,53.83,1.03,44.23,0,54.86-10.84,51.65-35.53,85.94c-8.16,14.14-23.21,31.9-24.67,35.03-1.45,3.13-3.02,4.88-1.61,7.65,4.62,9.05,12.87,22.13,14.71,29.22,2.29,6.64,6.99,16.13,7.22,28.72Z"
+							></path>
+						</svg>
+						login with nostr
+					</button>
 				</div>
 				<div class="flex flex-col mb-3 text-center">
-					<small><a class="text-muted" href="/signup">new here?</a></small>
+					<small><a class="text-muted" href="/signup">first time?</a></small>
 				</div>
 			</div>
 			@components.Footer()

server/router/pages/signup.templ

@@ -0,0 +1,54 @@
+package pages
+
+import "git.ekzyis.com/ekzyis/delphi.market/server/router/pages/components"
+
+templ Signup() {
+	<html>
+		@components.Head()
+		<body class="container">
+			@components.Nav()
+			<div id="content" class="flex flex-col text-center">
+				@components.Figlet("random", "signup")
+				<div
+					class="flex flex-col mb-3 text-center"
+					hx-target="#content"
+					hx-swap="outerHTML"
+					hx-select="#content"
+					hx-push-url="true"
+				>
+					<button class="flex signup lightning my-3 items-center" hx-get="/signup/lightning">
+						<svg
+							width="24"
+							height="24"
+							viewBox="0 0 24 24"
+							fill="var(--black)"
+							xmlns="http://www.w3.org/2000/svg"
+						>
+							<path d="M19 10.1907L8.48754 21L12.6726 12.7423H5L14.6157 3L11.5267 10.2835L19 10.1907Z"></path>
+						</svg>
+						signup with lightning
+					</button>
+					<button class="flex signup nostr my-3 items-center">
+						<svg
+							class="me-1"
+							width="16"
+							height="16"
+							viewBox="0 0 875 875"
+							fill="var(--white)"
+							xmlns="http://www.w3.org/2000/svg"
+						>
+							<path
+								class="cls-1"
+								d="m684.72,485.57c.22,12.59-11.93,51.47-38.67,81.3-26.74,29.83-56.02,20.85-58.42,20.16s-3.09-4.46-7.89-3.77-9.6,6.17-18.86,7.2-17.49,1.71-26.06-1.37c-4.46.69-5.14.71-7.2,2.24s-17.83,10.79-21.6,11.47c0,7.2-1.37,44.57,0,55.89s3.77,25.71,7.54,36c3.77,10.29,2.74,10.63,7.54,9.94s13.37.34,15.77,4.11c2.4,3.77,1.37,6.51,5.49,8.23s60.69,17.14,99.43,19.2c26.74.69,42.86,2.74,52.12,19.54,1.37,7.89,7.54,13.03,11.31,14.06s8.23,2.06,12,5.83,1.03,8.23,5.49,11.66c4.46,3.43,14.74,8.57,25.37,13.71,10.63,5.14,15.09,13.37,15.77,16.11s1.71,10.97,1.71,10.97c0,0-8.91,0-10.97-2.06s-2.74-5.83-2.74-5.83c0,0-6.17,1.03-7.54,3.43s.69,2.74-7.89.69-11.66-3.77-18.17-8.57c-6.51-4.8-16.46-17.14-25.03-16.8,4.11,8.23,5.83,8.23,10.63,10.97s8.23,5.83,8.23,5.83l-7.2,4.46s-4.46,2.06-14.74-.69-11.66-4.46-12.69-10.63,0-9.26-2.74-14.4-4.11-15.77-22.29-21.26c-18.17-5.49-66.52-21.26-100.12-24.69s-22.63-2.74-28.11-1.37-15.77,4.46-26.4-1.37c-10.63-5.83-16.8-13.71-17.49-20.23s-1.71-10.97,0-19.2,3.43-19.89,1.71-26.74-14.06-55.89-19.89-64.12c-13.03,1.03-50.74-.69-50.74-.69,0,0-2.4-.69-17.49,5.83s-36.48,13.76-46.77,19.93-14.4,9.7-16.12,13.13c.12,3-1.23,7.72-2.79,9.06s-12.48,2.42-12.48,2.42c0,0-5.85,5.86-8.25,9.97-6.86,9.6-55.2,125.14-66.52,149.83-13.54,32.57-9.77,27.43-37.71,27.43s-8.06.3-8.06.3c0,0-12.34,5.88-16.8,5.88s-18.86-2.4-26.4,0-16.46,9.26-23.31,10.29-4.95-1.34-8.38-3.74c-4-.21-14.27-.12-14.27-.12,0,0,1.74-6.51,7.91-10.88,8.23-5.83,25.37-16.11,34.63-21.26s17.49-7.89,23.31-9.26,18.51-6.17,30.51-9.94,19.54-8.23,29.83-31.54c10.29-23.31,50.4-111.43,51.43-116.23.63-2.96,3.73-6.48,4.8-15.09.66-5.35-2.49-13.04,1.71-22.63,10.97-25.03,21.6-20.23,26.4-20.23s17.14.34,26.4-1.37,15.43-2.74,24.69-7.89,11.31-8.91,11.31-8.91l-19.89-3.43s-18.51.69-25.03-4.46-15.43-15.77-15.43-15.77l-7.54-7.2,1.03,8.57s-5.14-8.91-6.51-10.29-8.57-6.51-11.31-11.31-7.54-25.03-7.54-25.03l-6.17,13.03-1.71-18.86-5.14,7.2-2.74-16.11-4.8,8.23-3.43-14.4-5.83,4.46-2.4-10.29-5.83-3.43s-14.06-9.26-16.46-9.6-4.46,3.43-4.46,3.43l1.37,12-12.2-6.27-7-11.9s2.36,4.01-9.62,7.53c-20.55,0-21.89-2.28-24.93-3.94-1.31-6.56-5.57-10.11-5.57-10.11h-20.57l-.34-6.86-7.89,3.09.69-10.29h-14.06l1.03-11.31h-8.91s3.09-9.26,25.71-22.97,25.03-16.46,46.29-17.14c21.26-.69,32.91,2.74,46.29,8.23s38.74,13.71,43.89,17.49c11.31-9.94,28.46-19.89,34.29-19.89,1.03-2.4,6.19-12.33,17.96-17.6,35.31-15.81,108.13-34,131.53-35.54,31.2-2.06,7.89-1.37,39.09,2.06,31.2,3.43,54.17,7.54,69.6,12.69,12.58,4.19,25.03,9.6,34.29,2.06,4.33-1.81,11.81-1.34,17.83-5.14,30.69-25.09,34.72-32.35,43.63-41.95s20.14-24.91,22.54-45.14,4.46-58.29-10.63-88.12-28.8-45.26-34.63-69.26c-5.83-24-8.23-61.03-6.17-73.03,2.06-12,5.14-22.29,6.86-30.51s9.94-14.74,19.89-16.46c9.94-1.71,17.83,1.37,22.29,4.8,4.46,3.43,11.65,6.28,13.37,10.29.34,1.71-1.37,6.51,8.23,8.23,9.6,1.71,16.05,4.16,16.05,4.16,0,0,15.64,4.29,3.11,7.73-12.69,2.06-20.52-.71-24.29,1.69s-7.21,10.08-9.61,11.1-7.2.34-12,4.11-9.6,6.86-12.69,14.4-5.49,15.77-3.43,26.74,8.57,31.54,14.4,43.2c5.83,11.66,20.23,40.8,24.34,47.66s15.77,29.49,16.8,53.83,1.03,44.23,0,54.86-10.84,51.65-35.53,85.94c-8.16,14.14-23.21,31.9-24.67,35.03-1.45,3.13-3.02,4.88-1.61,7.65,4.62,9.05,12.87,22.13,14.71,29.22,2.29,6.64,6.99,16.13,7.22,28.72Z"
+							></path>
+						</svg>signup with nostr
+					</button>
+				</div>
+				<div class="flex flex-col mb-3 text-center">
+					<small><a class="text-muted" href="/login">not your first time?</a></small>
+				</div>
+			</div>
+			@components.Footer()
+		</body>
+	</html>
+}

server/router/router.go

@@ -15,4 +15,7 @@ func Init(e *echo.Echo, sc Context) {
 	e.GET("/", handler.HandleIndex(sc))
 	e.GET("/about", handler.HandleAbout(sc))
 	e.GET("/login", handler.HandleLogin(sc))
+	e.GET("/signup", handler.HandleSignup(sc))
+	e.GET("/signup/:method", handler.HandleSignup(sc))
+	e.GET("/api/lnauth/callback", handler.HandleLnAuthCallback(sc))
 }