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Static Can Message #344

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merged 3 commits into from
Dec 4, 2024
Merged

Static Can Message #344

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9c63104
add a static can message method to the client
nplasterer Dec 4, 2024
e580e1a
add static can message
nplasterer Dec 4, 2024
a9cc862
fix up linter
nplasterer Dec 4, 2024
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29 changes: 29 additions & 0 deletions library/src/androidTest/java/org/xmtp/android/library/ClientTest.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -72,6 +72,35 @@ class ClientTest {
assertEquals(inboxId, client.inboxId)
}

@Test
fun testStaticCanMessage() {
val context = InstrumentationRegistry.getInstrumentation().targetContext
val fixtures = fixtures()
val notOnNetwork = PrivateKeyBuilder()

val canMessageList = runBlocking {
Client.canMessage(
listOf(
fixtures.alix.walletAddress,
notOnNetwork.address,
fixtures.bo.walletAddress
),
context,
ClientOptions.Api(XMTPEnvironment.LOCAL, false)
)
}

val expectedResults = mapOf(
fixtures.alix.walletAddress.lowercase() to true,
notOnNetwork.address.lowercase() to false,
fixtures.bo.walletAddress.lowercase() to true
)

expectedResults.forEach { (address, expected) ->
assertEquals(expected, canMessageList[address.lowercase()])
}
}

@Test
fun testCanDeleteDatabase() {
val key = SecureRandom().generateSeed(32)
Expand Down
43 changes: 40 additions & 3 deletions library/src/main/java/org/xmtp/android/library/Client.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -76,6 +76,39 @@ class Client() {
fun register(codec: ContentCodec<*>) {
codecRegistry.register(codec = codec)
}

suspend fun canMessage(
accountAddresses: List<String>,
appContext: Context,
api: ClientOptions.Api,
): Map<String, Boolean> {
val accountAddress = "0x0000000000000000000000000000000000000000"
val inboxId = getOrCreateInboxId(api, accountAddress)
val alias = "xmtp-${api.env}-$inboxId"

val directoryFile = File(appContext.filesDir.absolutePath, "xmtp_db")
directoryFile.mkdir()
val dbPath = directoryFile.absolutePath + "/$alias.db3"

val ffiClient = createClient(
logger = XMTPLogger(),
host = api.env.getUrl(),
isSecure = api.isSecure,
db = dbPath,
encryptionKey = null,
accountAddress = accountAddress.lowercase(),
inboxId = inboxId,
nonce = 0.toULong(),
legacySignedPrivateKeyProto = null,
historySyncUrl = null
)

val result = ffiClient.canMessage(accountAddresses)
ffiClient.releaseDbConnection()
File(dbPath).delete()
Comment on lines +107 to +108
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@rygine I think we will want to delete the db that is created with this temp client? Maybe something to add to the js sdk.

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yep! i recently added the ability to create a browser/node clients without a DB or encryption key for this purpose. just need to update the SDKs. great reminder, thanks!


return result
}
}

constructor(
Expand All @@ -101,7 +134,7 @@ class Client() {
address: String,
clientOptions: ClientOptions,
signingKey: SigningKey? = null,
inboxId: String? = null
inboxId: String? = null,
): Client {
val accountAddress = address.lowercase()
val recoveredInboxId = inboxId ?: getOrCreateInboxId(clientOptions.api, accountAddress)
Expand Down Expand Up @@ -140,7 +173,7 @@ class Client() {
suspend fun build(
address: String,
options: ClientOptions,
inboxId: String? = null
inboxId: String? = null,
): Client {
return try {
initializeV3Client(address, options, inboxId = inboxId)
Expand Down Expand Up @@ -245,7 +278,11 @@ class Client() {
}
}

fun verifySignatureWithInstallationId(message: String, signature: ByteArray, installationId: String): Boolean {
fun verifySignatureWithInstallationId(
message: String,
signature: ByteArray,
installationId: String,
): Boolean {
return try {
ffiClient.verifySignedWithPublicKey(message, signature, installationId.hexToByteArray())
true
Expand Down
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