@gleif-it/did-webs-ts/dist/esm/utils/cesr/getController.js

did-webs typescript library

import { createAid } from '../../core/Aid.js';
import { getKeyState } from './getKeyState.js';
import { sortKeyEventStream } from './sortKeyEventStream.js';
export const getController = (parsed) => {
    const controllerEvent = parsed[0];
    if (controllerEvent.t !== 'icp') {
        throw new Error("Starting event is not an 'icp' event");
    }
    // AID is the 'i' field of the 'icp' event
    const controllerAID = createAid(controllerEvent.i);
    // now look up the key state of the controller AID
    const keyState = getKeyState(controllerAID, sortKeyEventStream(parsed));
    // check if the key state is null
    if (keyState === null) {
        throw new Error(`Key state for ${controllerAID} not found`);
    }
    // return the key state as an IdentifierAndKeyState
    return keyState;
};