updated signature text

Updated consent signature text Added test
xmtp · May 4, 2024 · 1995bcd · 1995bcd
1 parent 8b60283
commit 1995bcd
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Showing 2 changed files with 20 additions and 2 deletions.
diff --git a/library/src/androidTest/java/org/xmtp/android/library/SignatureTest.kt b/library/src/androidTest/java/org/xmtp/android/library/SignatureTest.kt
@@ -7,6 +7,8 @@ import org.junit.Test
 import org.junit.runner.RunWith
 import org.web3j.crypto.Hash
 import org.xmtp.android.library.messages.PrivateKeyBuilder
+import org.xmtp.android.library.messages.Signature
+import org.xmtp.android.library.messages.consentProofText
 import org.xmtp.android.library.messages.verify
 
 @RunWith(AndroidJUnit4::class)
@@ -23,4 +25,14 @@ class SignatureTest {
             )
         )
     }
+
+    @Test
+    fun testConsentProofText() {
+        val timestamp = 1581663600000
+        val exampleAddress = "0x1234567890abcdef";
+        val signatureClass = Signature.newBuilder().build()
+        val text = signatureClass.consentProofText(exampleAddress, timestamp)
+        val expected = "XMTP : Grant inbox consent to sender\n\nCurrent Time: Fri, 14 Feb 2020 07:00:00 GMT\nFrom Address: 0x1234567890abcdef\n\nFor more info: https://xmtp.org/signatures/"
+        assert(text == expected)
+    }
 }
diff --git a/library/src/main/java/org/xmtp/android/library/messages/Signature.kt b/library/src/main/java/org/xmtp/android/library/messages/Signature.kt
@@ -4,6 +4,8 @@ import com.google.protobuf.kotlin.toByteString
 import org.xmtp.android.library.Util
 import org.xmtp.android.library.toHex
 import org.xmtp.proto.message.contents.SignatureOuterClass
+import java.text.SimpleDateFormat
+import java.util.TimeZone
 
 typealias Signature = org.xmtp.proto.message.contents.SignatureOuterClass.Signature
 
@@ -47,8 +49,12 @@ fun Signature.createIdentityText(key: ByteArray): String =
 fun Signature.enableIdentityText(key: ByteArray): String =
     ("XMTP : Enable Identity\n" + "${key.toHex()}\n" + "\n" + "For more info: https://xmtp.org/signatures/")
 
-fun Signature.consentProofText(peerAddress: String, timestamp: Long): String =
-    ("XMTP : Grant inbox consent to sender\n" + "\n" + "Current Time: ${timestamp}\n" + "From Address: ${peerAddress}\n" + "\n" + "For more info: https://xmtp.org/signatures/")
+fun Signature.consentProofText(peerAddress: String, timestamp: Long): String {
+    val formatter = SimpleDateFormat("EEE, d MMM yyyy HH:mm:ss 'GMT'")
+    formatter.timeZone = TimeZone.getTimeZone("UTC")
+    val timestampString = formatter.format(timestamp)
+    return ("XMTP : Grant inbox consent to sender\n" + "\n" + "Current Time: ${timestampString}\n" + "From Address: ${peerAddress}\n" + "\n" + "For more info: https://xmtp.org/signatures/")
+}
 
 val Signature.rawData: ByteArray
     get() = if (hasEcdsaCompact()) {