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HypergraphAppContext.tsx
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1591 lines (1492 loc) · 54.9 KB
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'use client';
import type { DocHandle } from '@automerge/automerge-repo';
import { RepoContext } from '@automerge/automerge-repo-react-hooks';
import { Repo } from '@automerge/automerge-repo/slim';
import { automergeWasmBase64 } from '@automerge/automerge/automerge.wasm.base64';
import * as automerge from '@automerge/automerge/slim';
import { Graph } from '@graphprotocol/grc-20';
import {
Connect,
type ConnectCallbackResult,
Identity,
Inboxes,
type InboxMessageStorageEntry,
Key,
type Mapping,
Messages,
SpaceEvents,
type SpaceStorageEntry,
store,
Utils,
} from '@graphprotocol/hypergraph';
import { QueryClient, QueryClientProvider } from '@tanstack/react-query';
import { useSelector as useSelectorStore } from '@xstate/store/react';
import { Effect, Exit } from 'effect';
import * as Schema from 'effect/Schema';
import {
createContext,
type ReactNode,
useCallback,
useContext,
useEffect,
useLayoutEffect,
useRef,
useState,
} from 'react';
import { v4 as uuid } from 'uuid';
import type { Address, Hex } from 'viem';
const decodeResponseMessage = Schema.decodeUnknownEither(Messages.ResponseMessage);
const queryClient = new QueryClient();
const CHAIN = Connect.GEO_TESTNET;
const RPC_URL = Connect.TESTNET_RPC_URL;
export type HypergraphAppCtx = {
// auth related
logout(): void;
setIdentity(identity: Connect.PrivateAppIdentity): void;
// app related
invitations: Array<Messages.Invitation>;
createSpace(params: Readonly<{ name: string; smartSessionClient?: Connect.SmartSessionClient }>): Promise<string>;
getSmartSessionClient(): Promise<Connect.SmartSessionClient>;
createSpaceInbox(
params: Readonly<{ space: SpaceStorageEntry; isPublic: boolean; authPolicy: Inboxes.InboxSenderAuthPolicy }>,
): Promise<unknown>;
getLatestSpaceInboxMessages(params: Readonly<{ spaceId: string; inboxId: string }>): Promise<unknown>;
listPublicSpaceInboxes(params: Readonly<{ spaceId: string }>): Promise<readonly Messages.SpaceInboxPublic[]>;
getSpaceInbox(params: Readonly<{ spaceId: string; inboxId: string }>): Promise<Messages.SpaceInboxPublic>;
sendSpaceInboxMessage(
params: Readonly<{
message: string;
spaceId: string;
inboxId: string;
encryptionPublicKey: string;
signaturePrivateKey: string | null;
authorAccountAddress: string | null;
}>,
): Promise<unknown>;
createAccountInbox(
params: Readonly<{ isPublic: boolean; authPolicy: Inboxes.InboxSenderAuthPolicy }>,
): Promise<unknown>;
getLatestAccountInboxMessages(params: Readonly<{ accountAddress: string; inboxId: string }>): Promise<unknown>;
getOwnAccountInboxes(): Promise<unknown>;
listPublicAccountInboxes(
params: Readonly<{ accountAddress: string }>,
): Promise<readonly Messages.AccountInboxPublic[]>;
getAccountInbox(params: Readonly<{ accountAddress: string; inboxId: string }>): Promise<Messages.AccountInboxPublic>;
sendAccountInboxMessage(
params: Readonly<{
message: string;
accountAddress: string;
inboxId: string;
encryptionPublicKey: string;
signaturePrivateKey: string | null;
authorAccountAddress: string | null;
}>,
): Promise<unknown>;
listSpaces(): void;
listInvitations(): void;
acceptInvitation(params: Readonly<{ invitation: Messages.Invitation }>): Promise<unknown>;
subscribeToSpace(params: Readonly<{ spaceId: string }>): void;
inviteToSpace(params: Readonly<{ space: string; inviteeAccountAddress: Address }>): Promise<unknown>;
getVerifiedIdentity(
accountAddress: string,
publicKey: string | null,
appId: string | null,
): Promise<{
accountAddress: string;
encryptionPublicKey: string;
signaturePublicKey: string;
}>;
isConnecting: boolean;
isLoadingSpaces: Record<string, boolean>;
ensureSpaceInbox(params: {
spaceId: string;
isPublic?: boolean;
authPolicy?: Inboxes.InboxSenderAuthPolicy;
index?: number;
}): Promise<string>;
redirectToConnect(params: {
storage: Identity.Storage;
successUrl: string;
connectUrl: string;
redirectFn: (url: URL) => void;
}): void;
processConnectAuthSuccess(params: { storage: Identity.Storage; ciphertext: string; nonce: string }):
| {
success: true;
identity: Connect.PrivateAppIdentity;
}
| {
success: false;
error: string;
};
syncServerUri: string;
};
export const HypergraphAppContext = createContext<HypergraphAppCtx>({
logout() {
throw new Error('logout is missing');
},
setIdentity() {
throw new Error('setIdentity is missing');
},
invitations: [],
getSmartSessionClient() {
throw new Error('getSmartSessionClient is missing');
},
async createSpace() {
throw new Error('createSpace is missing');
},
async createSpaceInbox() {
throw new Error('createSpaceInbox is missing');
},
async getLatestSpaceInboxMessages() {
throw new Error('getLatestSpaceInboxMessages is missing');
},
async listPublicSpaceInboxes() {
throw new Error('listPublicSpaceInboxes is missing');
},
async getSpaceInbox() {
throw new Error('getSpaceInbox is missing');
},
async sendSpaceInboxMessage() {
throw new Error('sendSpaceInboxMessage is missing');
},
async createAccountInbox() {
throw new Error('createAccountInbox is missing');
},
async getOwnAccountInboxes() {
throw new Error('getOwnAccountInboxes is missing');
},
async getLatestAccountInboxMessages() {
throw new Error('getLatestAccountInboxMessages is missing');
},
async listPublicAccountInboxes() {
throw new Error('listPublicAccountInboxes is missing');
},
async getAccountInbox() {
throw new Error('getAccountInbox is missing');
},
async sendAccountInboxMessage() {
throw new Error('sendAccountInboxMessage is missing');
},
listSpaces() {
throw new Error('listSpaces is missing');
},
listInvitations() {
throw new Error('listInvitations is missing');
},
async acceptInvitation() {
throw new Error('acceptInvitation is missing');
},
subscribeToSpace() {
throw new Error('subscribeToSpace is missing');
},
async inviteToSpace() {
throw new Error('inviteToSpace is missing');
},
async getVerifiedIdentity() {
throw new Error('getVerifiedIdentity is missing');
},
isConnecting: true,
isLoadingSpaces: {},
async ensureSpaceInbox() {
throw new Error('ensureSpaceInbox is missing');
},
redirectToConnect(_params: {
storage: Identity.Storage;
successUrl: string;
appId: string;
connectUrl: string;
redirectFn: (url: URL) => void;
}) {
throw new Error('redirectToConnect is missing');
},
processConnectAuthSuccess() {
throw new Error('processConnectAuthSuccess is missing');
},
syncServerUri: '',
});
export function useHypergraphApp() {
return useContext<HypergraphAppCtx>(HypergraphAppContext);
}
export function useHypergraphAuth() {
const authenticated = useSelectorStore(store, (state) => state.context.authenticated);
const identity = useSelectorStore(store, (state) => state.context.identity);
const privyIdentity = useSelectorStore(store, (state) => state.context.privyIdentity);
return { authenticated, identity, privyIdentity };
}
export type HypergraphAppProviderProps = Readonly<{
storage?: Identity.Storage;
syncServerUri?: string;
chainId?: number;
children: ReactNode;
mapping: Mapping.Mapping;
appId: string;
}>;
const mockStorage = {
getItem(_key: string) {
return null;
},
setItem(_key: string, _value: string) {},
removeItem(_key: string) {},
};
export function HypergraphAppProvider({
storage = typeof window !== 'undefined' ? localStorage : mockStorage,
syncServerUri = 'https://sync.geobrowser.io',
chainId = Connect.GEO_TESTNET.id,
appId,
children,
mapping,
}: HypergraphAppProviderProps) {
const [websocketConnection, setWebsocketConnection] = useState<WebSocket>();
const [isConnecting, setIsConnecting] = useState(true);
const [isLoadingSpaces, setIsLoadingSpaces] = useState<Record<string, boolean>>({});
const spaces = useSelectorStore(store, (state) => state.context.spaces);
const invitations = useSelectorStore(store, (state) => state.context.invitations);
const repo = useSelectorStore(store, (state) => state.context.repo);
const identity = useSelectorStore(store, (state) => state.context.identity);
const privyIdentity = useSelectorStore(store, (state) => state.context.privyIdentity);
const logout = useCallback(() => {
websocketConnection?.close();
setWebsocketConnection(undefined);
Identity.logout(storage);
}, [storage, websocketConnection]);
const setIdentity = useCallback(
(identity: Connect.PrivateAppIdentity) => {
Identity.storeIdentity(storage, identity);
store.send({ type: 'reset' });
store.send({
type: 'setAuth',
identity,
});
},
[storage],
);
// check if the user is already authenticated on initial render
const initialRenderAuthCheckRef = useRef(false);
// using a layout effect to avoid a re-render
useLayoutEffect(() => {
store.send({
type: 'setMapping',
mapping,
});
if (!initialRenderAuthCheckRef.current) {
const identity = Identity.loadIdentity(storage);
if (identity) {
store.send({
type: 'setAuth',
identity,
});
}
const privyIdentity = Identity.loadPrivyIdentity(storage);
if (privyIdentity) {
store.send({
type: 'setPrivyAuth',
identity: privyIdentity,
});
}
// set render auth check to true so next potential rerender doesn't try this again
initialRenderAuthCheckRef.current = true;
}
}, [storage, mapping]);
useEffect(() => {
if (identity === null && privyIdentity === null) {
setIsConnecting(true);
return;
}
const syncServerUrl = new URL(syncServerUri);
let syncServerWsUrl: URL;
if (identity) {
syncServerWsUrl = new URL(`/?token=${identity.sessionToken}`, syncServerUrl.toString());
} else if (privyIdentity) {
syncServerWsUrl = new URL(
`/?privy-identity-token=${privyIdentity.privyIdentityToken}&account-address=${privyIdentity.accountAddress}`,
syncServerUrl.toString(),
);
} else {
// This should never happen due to the early returns above, but TypeScript needs this
return;
}
// Use 'wss:' by default, only use 'ws:' for local development
const isLocalDev = syncServerUrl.hostname === 'localhost' || syncServerUrl.hostname === '127.0.0.1';
syncServerWsUrl.protocol = isLocalDev ? 'ws:' : 'wss:';
const syncServerWsUrlString = syncServerWsUrl.toString();
const websocketConnection = new WebSocket(syncServerWsUrlString);
setWebsocketConnection(websocketConnection);
const onOpen = () => {
console.log('websocket connected');
setIsConnecting(false);
};
const onError = (event: Event) => {
console.log('websocket error', event);
setIsConnecting(false);
};
const onClose = (event: CloseEvent) => {
console.log('websocket close', event);
setIsConnecting(false);
};
websocketConnection.addEventListener('open', onOpen);
websocketConnection.addEventListener('error', onError);
websocketConnection.addEventListener('close', onClose);
return () => {
websocketConnection.removeEventListener('open', onOpen);
websocketConnection.removeEventListener('error', onError);
websocketConnection.removeEventListener('close', onClose);
websocketConnection.close();
};
}, [identity, privyIdentity, syncServerUri]);
// Handle WebSocket messages in a separate effect
useEffect(() => {
if (!websocketConnection) return;
if (identity === null && privyIdentity === null) {
console.error('No identity found');
return;
}
const encryptionPrivateKey = identity?.encryptionPrivateKey || privyIdentity?.encryptionPrivateKey;
if (!encryptionPrivateKey) {
console.error('No encryption private key found');
return;
}
const encryptionPublicKey = identity?.encryptionPublicKey || privyIdentity?.encryptionPublicKey;
if (!encryptionPublicKey) {
console.error('No encryption public key found');
return;
}
const signaturePrivateKey = identity?.signaturePrivateKey || privyIdentity?.signaturePrivateKey;
if (!signaturePrivateKey) {
console.error('No signature private key found.');
return;
}
const signaturePublicKey = identity?.signaturePublicKey || privyIdentity?.signaturePublicKey;
if (!signaturePublicKey) {
console.error('No signature public key found');
return;
}
const accountAddress = identity?.accountAddress || privyIdentity?.accountAddress;
if (!accountAddress) {
console.error('No account address found');
return;
}
const applyUpdates = async (
spaceId: string,
spaceSecretKey: string,
automergeDocHandle: DocHandle<unknown>,
updates: Messages.Updates,
) => {
const verifiedUpdates = await Promise.all(
updates.updates.map(async (update) => {
const signer = Messages.recoverUpdateMessageSigner({
update: update.update,
spaceId,
updateId: update.updateId,
signature: update.signature,
accountAddress: update.accountAddress,
});
const authorIdentity = await Identity.getVerifiedIdentity(
update.accountAddress,
signer,
null,
syncServerUri,
CHAIN,
RPC_URL,
);
if (authorIdentity.signaturePublicKey !== signer) {
// console.error(
// `Received invalid signature, recovered signer is ${signer},
// expected ${authorIdentity.signaturePublicKey}`,
// );
// TODO bring back signature verfication
// return { valid: false, update: new Uint8Array([]) };
}
return {
valid: true,
update: Messages.decryptMessage({
nonceAndCiphertext: update.update,
secretKey: Utils.hexToBytes(spaceSecretKey),
}),
};
}),
);
const validUpdates = verifiedUpdates.filter((update) => update.valid).map((update) => update.update);
automergeDocHandle.update((existingDoc) => {
const [newDoc] = automerge.applyChanges(existingDoc, validUpdates);
return newDoc;
});
store.send({
type: 'applyUpdate',
spaceId,
firstUpdateClock: updates.firstUpdateClock,
lastUpdateClock: updates.lastUpdateClock,
});
};
const getVerifiedIdentityForEvent = (accountAddress: string, publicKey: string) => {
return Effect.gen(function* () {
const identity = yield* Effect.tryPromise({
try: () => Identity.getVerifiedIdentity(accountAddress, publicKey, null, syncServerUri, CHAIN, RPC_URL),
catch: () => new Identity.InvalidIdentityError(),
});
return identity;
});
};
const onMessage = async (event: MessageEvent) => {
const data = Messages.deserialize(event.data);
const message = decodeResponseMessage(data);
if (message._tag === 'Right') {
const response = message.right;
switch (response.type) {
case 'list-spaces': {
store.send({
type: 'setSpacesList',
spaces: response.spaces.map((space) => ({
id: space.id,
name: space.name,
})),
});
break;
}
case 'space': {
let state: SpaceEvents.SpaceState | undefined;
for (const event of response.events) {
// Not sure why but type inference doesn't work here
const applyEventResult: Exit.Exit<SpaceEvents.SpaceState, SpaceEvents.ApplyError> =
await Effect.runPromiseExit(
SpaceEvents.applyEvent({ state, event, getVerifiedIdentity: getVerifiedIdentityForEvent }),
);
if (Exit.isSuccess(applyEventResult)) {
state = applyEventResult.value;
} else {
console.log('Failed to apply event', applyEventResult);
}
}
const newState = state as SpaceEvents.SpaceState;
let storeState = store.getSnapshot();
const keys = response.keyBoxes.map((keyBox) => {
const key = Key.decryptKey({
keyBoxCiphertext: Utils.hexToBytes(keyBox.ciphertext),
keyBoxNonce: Utils.hexToBytes(keyBox.nonce),
publicKey: Utils.hexToBytes(keyBox.authorPublicKey),
privateKey: Utils.hexToBytes(encryptionPrivateKey),
});
return { id: keyBox.id, key: Utils.bytesToHex(key) };
});
const inboxes = response.inboxes.map((inbox) => {
return {
inboxId: inbox.inboxId,
isPublic: inbox.isPublic,
authPolicy: inbox.authPolicy,
encryptionPublicKey: inbox.encryptionPublicKey,
secretKey: Utils.bytesToHex(
Messages.decryptMessage({
nonceAndCiphertext: Utils.hexToBytes(inbox.secretKey),
secretKey: Utils.hexToBytes(keys[0].key),
}),
),
messages: [],
lastMessageClock: new Date(0).toISOString(),
seenMessageIds: new Set<string>(),
};
});
store.send({
type: 'setSpace',
name: response.name,
spaceId: response.id,
updates: response.updates as Messages.Updates,
events: response.events as Array<SpaceEvents.SpaceEvent>,
inboxes,
spaceState: newState,
keys,
});
storeState = store.getSnapshot();
const automergeDocHandle = storeState.context.spaces.find((s) => s.id === response.id)?.automergeDocHandle;
if (!automergeDocHandle) {
console.error('No automergeDocHandle found', response.id);
return;
}
if (response.updates) {
await applyUpdates(response.id, keys[0].key, automergeDocHandle, response.updates);
}
automergeDocHandle.on('change', (result) => {
const lastLocalChange = automerge.getLastLocalChange(result.doc);
if (!lastLocalChange) {
return;
}
try {
const storeState = store.getSnapshot();
const space = storeState.context.spaces[0];
const updateId = uuid();
const messageToSend = Messages.signedUpdateMessage({
accountAddress,
updateId,
spaceId: space.id,
message: lastLocalChange,
secretKey: space.keys[0].key,
signaturePrivateKey,
});
websocketConnection.send(Messages.serialize(messageToSend));
} catch (error) {
console.error('Error sending message', error);
}
});
setIsLoadingSpaces((prev) => {
return { ...prev, [response.id]: false };
});
break;
}
case 'space-event': {
const space = spaces.find((s) => s.id === response.spaceId);
if (!space) {
console.error('Space not found', response.spaceId);
return;
}
if (!space.state) {
console.error('Space has no state', response.spaceId);
return;
}
const applyEventResult = await Effect.runPromiseExit(
SpaceEvents.applyEvent({
event: response.event,
state: space.state,
getVerifiedIdentity: getVerifiedIdentityForEvent,
}),
);
if (Exit.isSuccess(applyEventResult)) {
store.send({
type: 'applyEvent',
spaceId: response.spaceId,
event: response.event,
state: applyEventResult.value,
});
}
if (response.event.transaction.type === 'create-space-inbox') {
const inbox = {
inboxId: response.event.transaction.id,
isPublic: response.event.transaction.isPublic,
authPolicy: response.event.transaction.authPolicy,
encryptionPublicKey: response.event.transaction.encryptionPublicKey,
secretKey: Utils.bytesToHex(
Messages.decryptMessage({
nonceAndCiphertext: Utils.hexToBytes(response.event.transaction.secretKey),
secretKey: Utils.hexToBytes(space.keys[0].key),
}),
),
lastMessageClock: new Date(0).toISOString(),
messages: [],
seenMessageIds: new Set<string>(),
};
store.send({
type: 'setSpaceInbox',
spaceId: response.spaceId,
inbox,
});
}
break;
}
case 'list-invitations': {
store.send({
type: 'setInvitations',
invitations: response.invitations.map((invitation) => invitation),
});
break;
}
case 'update-confirmed': {
store.send({
type: 'removeUpdateInFlight',
updateId: response.updateId,
});
store.send({
type: 'updateConfirmed',
spaceId: response.spaceId,
clock: response.clock,
});
break;
}
case 'updates-notification': {
const storeState = store.getSnapshot();
const space = storeState.context.spaces.find((s) => s.id === response.spaceId);
if (!space) {
console.error('Space not found', response.spaceId);
return;
}
if (!space.automergeDocHandle) {
console.error('No automergeDocHandle found', response.spaceId);
return;
}
await applyUpdates(response.spaceId, space.keys[0].key, space.automergeDocHandle, response.updates);
break;
}
case 'account-inbox': {
// Validate the signature of the inbox corresponds to the current account's identity
if (signaturePrivateKey) {
console.error('No signature private key found to process account inbox');
return;
}
const inboxCreator = Inboxes.recoverAccountInboxCreatorKey(response.inbox);
if (inboxCreator !== signaturePublicKey) {
console.error('Invalid inbox creator', response.inbox, inboxCreator, signaturePublicKey);
return;
}
const messages: InboxMessageStorageEntry[] = [];
store.send({
type: 'setAccountInbox',
inbox: {
...response.inbox,
messages,
lastMessageClock: new Date(0).toISOString(),
seenMessageIds: new Set<string>(),
},
});
break;
}
case 'space-inbox-message': {
const inbox = store
.getSnapshot()
.context.spaces.find((s) => s.id === response.spaceId)
?.inboxes.find((i) => i.inboxId === response.inboxId);
if (!inbox) {
console.error('Inbox not found', response.inboxId);
return;
}
const isValid = await Inboxes.validateSpaceInboxMessage(
response.message,
inbox,
response.spaceId,
syncServerUri,
CHAIN,
RPC_URL,
);
if (!isValid) {
console.error('Invalid message', response.message, inbox.inboxId);
return;
}
try {
const decryptedMessage = Inboxes.decryptInboxMessage({
ciphertext: response.message.ciphertext,
encryptionPrivateKey: inbox.secretKey,
encryptionPublicKey: inbox.encryptionPublicKey,
});
const message = {
...response.message,
createdAt: response.message.createdAt.toISOString(),
plaintext: decryptedMessage,
signature: response.message.signature
? {
hex: response.message.signature.hex,
recovery: response.message.signature.recovery,
}
: null,
authorAccountAddress: response.message.authorAccountAddress ?? null,
};
store.send({
type: 'setSpaceInboxMessages',
spaceId: response.spaceId,
inboxId: response.inboxId,
messages: [message],
lastMessageClock: message.createdAt,
});
} catch (error) {
console.error('Error decrypting message', error);
}
break;
}
case 'account-inbox-message': {
const inbox = store.getSnapshot().context.accountInboxes.find((i) => i.inboxId === response.inboxId);
if (!inbox) {
console.error('Inbox not found', response.inboxId);
return;
}
const isValid = await Inboxes.validateAccountInboxMessage(
response.message,
inbox,
accountAddress,
syncServerUri,
CHAIN,
RPC_URL,
);
if (!isValid) {
console.error('Invalid message', response.message, inbox.inboxId);
return;
}
try {
const decryptedMessage = Inboxes.decryptInboxMessage({
ciphertext: response.message.ciphertext,
encryptionPrivateKey: encryptionPrivateKey,
encryptionPublicKey: encryptionPublicKey,
});
const message = {
...response.message,
createdAt: response.message.createdAt.toISOString(),
plaintext: decryptedMessage,
signature: response.message.signature
? {
hex: response.message.signature.hex,
recovery: response.message.signature.recovery,
}
: null,
authorAccountAddress: response.message.authorAccountAddress ?? null,
};
store.send({
type: 'setAccountInboxMessages',
inboxId: response.inboxId,
messages: [message],
lastMessageClock: message.createdAt,
});
} catch (error) {
console.error('Error decrypting message', error);
}
break;
}
case 'account-inboxes': {
response.inboxes.forEach((inbox) => {
store.send({
type: 'setAccountInbox',
inbox: {
...inbox,
messages: [],
lastMessageClock: new Date(0).toISOString(),
seenMessageIds: new Set<string>(),
},
});
});
break;
}
case 'account-inbox-messages': {
// Validate the signature of the inbox corresponds to the current account's identity
if (!signaturePrivateKey) {
console.error('No signature private key found to process account inbox');
return;
}
const inbox = store.getSnapshot().context.accountInboxes.find((i) => i.inboxId === response.inboxId);
if (!inbox) {
console.error('Inbox not found', response.inboxId);
return;
}
const validSignatures = await Promise.all(
response.messages.map(
// If the message has a signature, check that the signature is valid for the authorAccountAddress
async (message) => {
return Inboxes.validateAccountInboxMessage(
message,
inbox,
accountAddress,
syncServerUri,
CHAIN,
RPC_URL,
);
},
),
);
let lastMessageClock = new Date(0);
const messages = response.messages
.filter((_message, index) => validSignatures[index])
.map((message) => {
try {
const decryptedMessage = Inboxes.decryptInboxMessage({
ciphertext: message.ciphertext,
encryptionPrivateKey,
encryptionPublicKey,
});
if (message.createdAt > lastMessageClock) {
lastMessageClock = message.createdAt;
}
return {
...message,
createdAt: message.createdAt.toISOString(),
plaintext: decryptedMessage,
signature: message.signature
? {
hex: message.signature.hex,
recovery: message.signature.recovery,
}
: null,
authorAccountAddress: message.authorAccountAddress ?? null,
};
} catch (error) {
console.error('Error decrypting message', error);
return null;
}
})
.filter((message) => message !== null);
store.send({
type: 'setAccountInboxMessages',
inboxId: response.inboxId,
messages,
lastMessageClock: lastMessageClock.toISOString(),
});
break;
}
case 'space-inbox-messages': {
const space = store.getSnapshot().context.spaces.find((s) => s.id === response.spaceId);
if (!space) {
console.error('Space not found', response.spaceId);
return;
}
const inbox = space.inboxes.find((i) => i.inboxId === response.inboxId);
if (!inbox) {
console.error('Inbox not found', response.inboxId);
return;
}
let lastMessageClock = new Date(0);
const validSignatures = await Promise.all(
response.messages.map(
// If the message has a signature, check that the signature is valid for the authorAccountAddress
async (message) => {
return Inboxes.validateSpaceInboxMessage(message, inbox, space.id, syncServerUri, CHAIN, RPC_URL);
},
),
);
const messages = response.messages
.filter((_message, index) => validSignatures[index])
.map((message) => {
try {
const decryptedMessage = Inboxes.decryptInboxMessage({
ciphertext: message.ciphertext,
encryptionPrivateKey: inbox.secretKey,
encryptionPublicKey: inbox.encryptionPublicKey,
});
if (message.createdAt > lastMessageClock) {
lastMessageClock = message.createdAt;
}
return {
...message,
createdAt: message.createdAt.toISOString(),
signature: message.signature
? {
hex: message.signature.hex,
recovery: message.signature.recovery,
}
: null,
authorAccountAddress: message.authorAccountAddress ?? null,
plaintext: decryptedMessage,
};
} catch (error) {
console.error('Error decrypting message', error);
return null;
}
})
.filter((message) => message !== null);
store.send({
type: 'setSpaceInboxMessages',
spaceId: response.spaceId,
inboxId: response.inboxId,
messages,
lastMessageClock: lastMessageClock.toISOString(),
});
break;
}
case 'invitation-accepted': {
store.send({
type: 'invitationAccepted',
id: response.invitationId,
});
break;
}
default: {
Utils.assertExhaustive(response);
}
}
}
};
websocketConnection.addEventListener('message', onMessage);
return () => {
websocketConnection.removeEventListener('message', onMessage);
};
}, [websocketConnection, spaces, identity, privyIdentity, syncServerUri]);
const createSpaceForContext = useCallback<
({ name, smartSessionClient }: { name: string; smartSessionClient?: Connect.SmartSessionClient }) => Promise<string>
>(
async ({ name, smartSessionClient }) => {
if (!identity) {
throw new Error('No identity found');
}
const encryptionPrivateKey = identity.encryptionPrivateKey;
const encryptionPublicKey = identity.encryptionPublicKey;
const signaturePrivateKey = identity.signaturePrivateKey;
const signaturePublicKey = identity.signaturePublicKey;
if (!encryptionPrivateKey || !encryptionPublicKey || !signaturePrivateKey || !signaturePublicKey) {
throw new Error('Missing keys');
}
let spaceId = Utils.generateId();
try {
if (smartSessionClient?.account) {
const result = await Graph.createSpace({
editorAddress: smartSessionClient.account.address,
name,
network: smartSessionClient.chain.id === Connect.GEO_TESTNET.id ? 'TESTNET' : 'MAINNET',
});
spaceId = result.id;
console.log('Created public space', spaceId);
}
} catch (error) {
console.error('Error creating public space', error);
}
const spaceEvent = await Effect.runPromise(
SpaceEvents.createSpace({
author: {
accountAddress: identity.accountAddress,
encryptionPublicKey,
signaturePrivateKey,
signaturePublicKey,
},
spaceId,
}),
);
const result = Key.createKey({
privateKey: Utils.hexToBytes(encryptionPrivateKey),
publicKey: Utils.hexToBytes(encryptionPublicKey),
});
const message: Messages.RequestCreateSpaceEvent = {
type: 'create-space-event',
event: spaceEvent,