@metamask/snaps-rpc-methods/dist/endowments/lifecycle-hooks.mjs

MetaMask Snaps JSON-RPC method implementations

import { PermissionType, SubjectType } from "@metamask/permission-controller";
import { SnapCaveatType } from "@metamask/snaps-utils";
import { createGenericPermissionValidator } from "./caveats/index.mjs";
import { SnapEndowments } from "./enum.mjs";
const permissionName = SnapEndowments.LifecycleHooks;
/**
 * `endowment:lifecycle-hooks` returns nothing; it is intended to be used as a
 * flag by the snap controller to detect whether the snap has the capability to
 * use lifecycle hooks.
 *
 * @param _builderOptions - Optional specification builder options.
 * @returns The specification for the `lifecycle-hooks` endowment.
 */
const specificationBuilder = (_builderOptions) => {
    return {
        permissionType: PermissionType.Endowment,
        targetName: permissionName,
        allowedCaveats: [SnapCaveatType.MaxRequestTime],
        endowmentGetter: (_getterOptions) => null,
        subjectTypes: [SubjectType.Snap],
        validator: createGenericPermissionValidator([
            { type: SnapCaveatType.MaxRequestTime, optional: true },
        ]),
    };
};
export const lifecycleHooksEndowmentBuilder = Object.freeze({
    targetName: permissionName,
    specificationBuilder,
});
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