@metamask/snaps-rpc-methods/dist/endowments/assets.cjs

MetaMask Snaps JSON-RPC method implementations

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.getAssetsCaveatMapper = exports.assetsEndowmentBuilder = void 0;
const permission_controller_1 = require("@metamask/permission-controller");
const snaps_utils_1 = require("@metamask/snaps-utils");
const utils_1 = require("@metamask/utils");
const caveats_1 = require("./caveats/index.cjs");
const enum_1 = require("./enum.cjs");
const permissionName = enum_1.SnapEndowments.Assets;
/**
 * `endowment:assets` returns nothing; it is intended to be used as a flag to determine whether the Snap can run asset queries.
 *
 * @param _builderOptions - Optional specification builder options.
 * @returns The specification for the assets endowment.
 */
const specificationBuilder = (_builderOptions) => {
    return {
        permissionType: permission_controller_1.PermissionType.Endowment,
        targetName: permissionName,
        allowedCaveats: [snaps_utils_1.SnapCaveatType.ChainIds],
        endowmentGetter: (_getterOptions) => null,
        subjectTypes: [permission_controller_1.SubjectType.Snap],
        validator: (0, caveats_1.createGenericPermissionValidator)([
            { type: snaps_utils_1.SnapCaveatType.ChainIds },
            { type: snaps_utils_1.SnapCaveatType.MaxRequestTime, optional: true },
        ]),
    };
};
exports.assetsEndowmentBuilder = Object.freeze({
    targetName: permissionName,
    specificationBuilder,
});
/**
 * Map a raw value from the `initialPermissions` to a caveat specification.
 * Note that this function does not do any validation, that's handled by the
 * PermissionsController when the permission is requested.
 *
 * @param value - The raw value from the `initialPermissions`.
 * @returns The caveat specification.
 */
function getAssetsCaveatMapper(value) {
    (0, utils_1.assert)((0, utils_1.isObject)(value) && value.scopes);
    return {
        caveats: [
            {
                type: snaps_utils_1.SnapCaveatType.ChainIds,
                value: value.scopes,
            },
        ],
    };
}
exports.getAssetsCaveatMapper = getAssetsCaveatMapper;
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