D7653.id.diff
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D7653.id.diff
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	diff --git a/native/utils/crypto-utils.js b/native/utils/crypto-utils.js
	new file mode 100644
	--- /dev/null
	+++ b/native/utils/crypto-utils.js
	@@ -0,0 +1,47 @@
	+// @flow
	+
	+import * as React from 'react';
	+
	+import {
	+ getOlmSessionInitializationData,
	+ getOlmSessionInitializationDataActionTypes,
	+} from 'lib/actions/user-actions.js';
	+import {
	+ useServerCall,
	+ useDispatchActionPromise,
	+} from 'lib/utils/action-utils.js';
	+
	+import { commCoreModule } from '../native-modules.js';
	+
	+function useInitialNotificationsEncryptedMessage(): () => Promise<string> {
	+ const callGetOlmSessionInitializationData = useServerCall(
	+ getOlmSessionInitializationData,
	+ );
	+ const dispatchActionPromise = useDispatchActionPromise();
	+
	+ return React.useCallback(async () => {
	+ const olmSessionDataPromise = callGetOlmSessionInitializationData();
	+
	+ dispatchActionPromise(
	+ getOlmSessionInitializationDataActionTypes,
	+ olmSessionDataPromise,
	+ );
	+
	+ const { signedIdentityKeysBlob, notifInitializationInfo } =
	+ await olmSessionDataPromise;
	+
	+ const { notificationIdentityPublicKeys } = JSON.parse(
	+ signedIdentityKeysBlob.payload,
	+ );
	+
	+ const { prekey, prekeySignature, oneTimeKey } = notifInitializationInfo;
	+ return await commCoreModule.initializeNotificationsSession(
	+ JSON.stringify(notificationIdentityPublicKeys),
	+ prekey,
	+ prekeySignature,
	+ oneTimeKey,
	+ );
	+ }, [callGetOlmSessionInitializationData, dispatchActionPromise]);
	+}
	+
	+export { useInitialNotificationsEncryptedMessage };