@metamask/snaps-rpc-methods/dist/endowments/protocol.d.cts

MetaMask Snaps JSON-RPC method implementations

import type { CaveatSpecificationConstraint, EndowmentGetterParams, PermissionConstraint, PermissionSpecificationBuilder, PermissionValidatorConstraint } from "@metamask/permission-controller";
import { PermissionType, SubjectType } from "@metamask/permission-controller";
import { ProtocolScopesStruct, SnapCaveatType } from "@metamask/snaps-utils";
import type { Infer } from "@metamask/superstruct";
import type { Json, NonEmptyArray } from "@metamask/utils";
import { SnapEndowments } from "./enum.cjs";
declare const permissionName = SnapEndowments.Protocol;
export declare const protocolEndowmentBuilder: Readonly<{
    readonly targetName: SnapEndowments.Protocol;
    readonly specificationBuilder: PermissionSpecificationBuilder<PermissionType.Endowment, any, {
        permissionType: PermissionType.Endowment;
        targetName: typeof permissionName;
        endowmentGetter: (_options?: EndowmentGetterParams) => null;
        allowedCaveats: Readonly<NonEmptyArray<string>> | null;
        validator: PermissionValidatorConstraint;
        subjectTypes: readonly SubjectType[];
    }>;
}>;
/**
 * 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.
 */
export declare function getProtocolCaveatMapper(value: Json): Pick<PermissionConstraint, 'caveats'>;
export type ProtocolScopes = Infer<typeof ProtocolScopesStruct>;
/**
 * Getter function to get the {@link ProtocolSnapScopes} caveat value from a
 * permission.
 *
 * @param permission - The permission to get the caveat value from.
 * @returns The caveat value.
 */
export declare function getProtocolCaveatScopes(permission?: PermissionConstraint): ProtocolScopes | null;
export declare const protocolCaveatSpecifications: Record<SnapCaveatType.ProtocolSnapScopes, CaveatSpecificationConstraint>;
export {};
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