scrypt inputs to consts, and fmt

auth/auth.go

@@ -81,13 +81,21 @@ func (at *AuthToken) ScopeValid(required AuthScope) bool {
 const ServerSaltLength = 16
 const ClientSaltSeedLength = 32
 
+const passwordScryptN = 1 << 15
+const passwordScryptR = 8
+const passwordScryptP = 1
+const passwordScryptKeyLen = 32
+
 // https://words.filippo.io/the-scrypt-parameters/
 func passwordScrypt(p Password, saltBytes []byte) ([]byte, error) {
-	scryptN := 32768
-	scryptR := 8
-	scryptP := 1
-	keyLen := 32
-	return scrypt.Key([]byte(p), saltBytes, scryptN, scryptR, scryptP, keyLen)
+	return scrypt.Key(
+		[]byte(p),
+		saltBytes,
+		passwordScryptN,
+		passwordScryptR,
+		passwordScryptP,
+		passwordScryptKeyLen,
+	)
 }
 
 // Given a password (in the same format submitted via request), generate a

env/env_test.go

@@ -118,18 +118,18 @@ func TestMailgunConfigs(t *testing.T) {
 	tt := []struct {
 		name string
 
-		domain     string
+		domain        string
 		privateAPIKey string
-		mode       AccountVerificationMode
+		mode          AccountVerificationMode
 
 		expectErr bool
 	}{
 		{
-			name:       "success",
-			mode:       AccountVerificationModeEmailVerify,
-			domain:     "www.example.com",
+			name:          "success",
+			mode:          AccountVerificationModeEmailVerify,
+			domain:        "www.example.com",
 			privateAPIKey: "my-private-api-key",
-			expectErr:  false,
+			expectErr:     false,
 		},
 		{
 			name:      "wrong mode with domain",
@@ -138,16 +138,16 @@ func TestMailgunConfigs(t *testing.T) {
 			expectErr: true,
 		},
 		{
-			name:       "wrong mode with private api key",
-			mode:       AccountVerificationModeWhitelist,
+			name:          "wrong mode with private api key",
+			mode:          AccountVerificationModeWhitelist,
 			privateAPIKey: "my-private-api-key",
-			expectErr:  true,
+			expectErr:     true,
 		},
 		{
-			name:       "missing domain",
-			mode:       AccountVerificationModeEmailVerify,
+			name:          "missing domain",
+			mode:          AccountVerificationModeEmailVerify,
 			privateAPIKey: "my-private-api-key",
-			expectErr:  true,
+			expectErr:     true,
 		},
 		{
 			name:      "missing private api key",