Expose installation ID bytes when calling inboxState (node + WASM bindings)

bindings_node/CHANGELOG.md

@@ -1,5 +1,9 @@
 # @xmtp/node-bindings
 
+## 0.0.33
+
+- Added installation ID `bytes` to return value of `inboxState`
+
 ## 0.0.32
 
 - Add ability to revoke installations from a list of installations

bindings_node/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@xmtp/node-bindings",
-  "version": "0.0.32",
+  "version": "0.0.33",
   "repository": {
     "type": "git",
     "url": "git+https://[email protected]/xmtp/libxmtp.git",

bindings_node/src/client.rs

@@ -11,7 +11,6 @@ use std::sync::Arc;
 use tokio::sync::Mutex;
 use tracing_subscriber::{fmt, prelude::*};
 pub use xmtp_api_grpc::grpc_api_helper::Client as TonicApiClient;
-use xmtp_cryptography::signature::ed25519_public_key_to_address;
 use xmtp_id::associations::builder::SignatureRequest;
 use xmtp_mls::builder::ClientBuilder;
 use xmtp_mls::groups::scoped_client::LocalScopedGroupClient;
@@ -200,7 +199,7 @@ impl Client {
 
   #[napi]
   pub fn installation_id(&self) -> String {
-    ed25519_public_key_to_address(self.inner_client.installation_public_key().as_slice())
+    hex::encode(self.inner_client.installation_public_key())
   }
 
   #[napi]

bindings_node/src/conversation.rs

@@ -5,7 +5,6 @@ use napi::{
   threadsafe_function::{ErrorStrategy, ThreadsafeFunction, ThreadsafeFunctionCallMode},
   JsFunction,
 };
-use xmtp_cryptography::signature::ed25519_public_key_to_address;
 use xmtp_mls::{
   groups::{
     group_metadata::GroupMetadata as XmtpGroupMetadata,
@@ -231,7 +230,7 @@ impl Conversation {
         installation_ids: member
           .installation_ids
           .into_iter()
-          .map(|id| ed25519_public_key_to_address(id.as_slice()))
+          .map(hex::encode)
           .collect(),
         permission_level: match member.permission_level {
           XmtpPermissionLevel::Member => PermissionLevel::Member,

bindings_node/src/inbox_state.rs

@@ -1,14 +1,14 @@
-use napi::bindgen_prelude::{BigInt, Result};
+use napi::bindgen_prelude::{BigInt, Result, Uint8Array};
 use napi_derive::napi;
-use xmtp_cryptography::signature::ed25519_public_key_to_address;
 use xmtp_id::associations::{AssociationState, MemberIdentifier};
 
 use crate::{client::Client, ErrorWrapper};
 
 #[napi(object)]
 pub struct Installation {
-  pub id: String,
+  pub bytes: Uint8Array,
   pub client_timestamp_ns: Option<BigInt>,
+  pub id: String,
 }
 
 #[napi(object)]
@@ -30,8 +30,9 @@ impl From<AssociationState> for InboxState {
         .filter_map(|m| match m.identifier {
           MemberIdentifier::Address(_) => None,
           MemberIdentifier::Installation(inst) => Some(Installation {
-            id: ed25519_public_key_to_address(inst.as_slice()),
+            bytes: Uint8Array::from(inst.as_slice()),
             client_timestamp_ns: m.client_timestamp_ns.map(BigInt::from),
+            id: hex::encode(inst),
           }),
         })
         .collect(),

bindings_node/test/Client.test.ts

@@ -53,6 +53,9 @@ describe('Client', () => {
     expect(inboxState.inboxId).toBe(client.inboxId())
     expect(inboxState.installations.length).toBe(1)
     expect(inboxState.installations[0].id).toBe(client.installationId())
+    expect(inboxState.installations[0].bytes).toEqual(
+      client.installationIdBytes()
+    )
     expect(inboxState.accountAddresses).toEqual([
       user.account.address.toLowerCase(),
     ])
@@ -64,6 +67,9 @@ describe('Client', () => {
     expect(inboxState2.inboxId).toBe(client.inboxId())
     expect(inboxState.installations.length).toBe(1)
     expect(inboxState.installations[0].id).toBe(client.installationId())
+    expect(inboxState.installations[0].bytes).toEqual(
+      client.installationIdBytes()
+    )
     expect(inboxState2.accountAddresses).toEqual([
       user.account.address.toLowerCase(),
     ])

bindings_wasm/CHANGELOG.md

@@ -1,5 +1,9 @@
 # @xmtp/wasm-bindings
 
+## 0.0.11
+
+- Added installation ID `bytes` to return value of `inboxState`
+
 ## 0.0.10
 
 - Add ability to revoke installations from a list of installations

bindings_wasm/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@xmtp/wasm-bindings",
-  "version": "0.0.10",
+  "version": "0.0.11",
   "type": "module",
   "license": "MIT",
   "description": "WASM bindings for the libXMTP rust library",

bindings_wasm/src/client.rs

@@ -9,7 +9,6 @@ use tracing_subscriber::{filter, fmt::format::Pretty};
 use wasm_bindgen::prelude::{wasm_bindgen, JsError};
 use wasm_bindgen::JsValue;
 use xmtp_api_http::XmtpHttpApiClient;
-use xmtp_cryptography::signature::ed25519_public_key_to_address;
 use xmtp_id::associations::builder::SignatureRequest;
 use xmtp_mls::builder::ClientBuilder;
 use xmtp_mls::identity::IdentityStrategy;
@@ -202,7 +201,7 @@ impl Client {
 
   #[wasm_bindgen(getter, js_name = installationId)]
   pub fn installation_id(&self) -> String {
-    ed25519_public_key_to_address(self.inner_client.installation_public_key().as_slice())
+    hex::encode(self.inner_client.installation_public_key())
   }
 
   #[wasm_bindgen(getter, js_name = installationIdBytes)]

bindings_wasm/src/conversation.rs

@@ -8,7 +8,6 @@ use crate::encoded_content::EncodedContent;
 use crate::messages::{ListMessagesOptions, Message};
 use crate::permissions::{MetadataField, PermissionPolicy, PermissionUpdateType};
 use crate::{consent_state::ConsentState, permissions::GroupPermissions};
-use xmtp_cryptography::signature::ed25519_public_key_to_address;
 use xmtp_mls::groups::{
   group_metadata::GroupMetadata as XmtpGroupMetadata,
   group_mutable_metadata::MetadataField as XmtpMetadataField,
@@ -230,7 +229,7 @@ impl Conversation {
         installation_ids: member
           .installation_ids
           .into_iter()
-          .map(|id| ed25519_public_key_to_address(id.as_slice()))
+          .map(hex::encode)
           .collect(),
         permission_level: match member.permission_level {
           XmtpPermissionLevel::Member => PermissionLevel::Member,

bindings_wasm/src/inbox_state.rs

@@ -1,12 +1,13 @@
+use js_sys::Uint8Array;
 use wasm_bindgen::{prelude::wasm_bindgen, JsError};
-use xmtp_cryptography::signature::ed25519_public_key_to_address;
 use xmtp_id::associations::{AssociationState, MemberIdentifier};
 
 use crate::client::Client;
 
 #[wasm_bindgen(getter_with_clone)]
 #[derive(Clone)]
 pub struct Installation {
+  pub bytes: Uint8Array,
   pub id: String,
   #[wasm_bindgen(js_name = clientTimestampNs)]
   pub client_timestamp_ns: Option<u64>,
@@ -15,10 +16,11 @@ pub struct Installation {
 #[wasm_bindgen]
 impl Installation {
   #[wasm_bindgen(constructor)]
-  pub fn new(id: String, client_timestamp_ns: Option<u64>) -> Self {
+  pub fn new(bytes: Uint8Array, id: String, client_timestamp_ns: Option<u64>) -> Self {
     Self {
-      id,
+      bytes,
       client_timestamp_ns,
+      id,
     }
   }
 }
@@ -63,8 +65,9 @@ impl From<AssociationState> for InboxState {
         .filter_map(|m| match m.identifier {
           MemberIdentifier::Address(_) => None,
           MemberIdentifier::Installation(inst) => Some(Installation {
-            id: ed25519_public_key_to_address(inst.as_slice()),
+            bytes: Uint8Array::from(inst.as_slice()),
             client_timestamp_ns: m.client_timestamp_ns,
+            id: hex::encode(inst),
           }),
         })
         .collect(),

xmtp_cryptography/src/signature.rs

@@ -114,15 +114,6 @@ pub fn h160addr_to_string(bytes: H160) -> String {
     s.to_lowercase()
 }
 
-// This should ONLY be used for ed25519 keys, not ethereum/secp256k1 keys.
-// See: https://sourcegraph.com/github.com/gakonst/ethers-rs@40cc8cc54f7d36aa24147c937772600e5b119399/-/blob/ethers-core/src/types/signature.rs?L110-111
-pub fn ed25519_public_key_to_address(bytes: &[u8]) -> String {
-    let hash = ethers::utils::keccak256(bytes);
-    let mut s = String::from("x:"); // TODO verify XMTP installation addressing scheme
-    s.push_str(&hex::encode(&hash[12..]));
-    s
-}
-
 /// Check if an string is a valid ethereum address (valid hex and length 20).
 pub fn is_valid_ethereum_address<S: AsRef<str>>(address: S) -> bool {
     let address = address.as_ref();