@metamask/ocap-kernel/dist/rpc/vat-syscall/vat-syscall.mjs

OCap kernel core components

import { tuple, literal, array, string, union, boolean } from "@metamask/superstruct";
import { CapDataStruct, MessageStruct, VatOneResolutionStruct } from "../../types.mjs";
const SendStruct = tuple([literal('send'), string(), MessageStruct]);
const SubscribeStruct = tuple([literal('subscribe'), string()]);
const ResolveStruct = tuple([
    literal('resolve'),
    array(VatOneResolutionStruct),
]);
const ExitStruct = tuple([literal('exit'), boolean(), CapDataStruct]);
const DropImportsStruct = tuple([literal('dropImports'), array(string())]);
const RetireImportsStruct = tuple([literal('retireImports'), array(string())]);
const RetireExportsStruct = tuple([literal('retireExports'), array(string())]);
const AbandonExportsStruct = tuple([
    literal('abandonExports'),
    array(string()),
]);
// These are bogus, but are needed to keep TypeScript happy
const CallNowStruct = tuple([
    literal('callNow'),
    string(),
    string(),
    CapDataStruct,
]);
const VatstoreGetStruct = tuple([literal('vatstoreGet'), string()]);
const VatstoreGetNextKeyStruct = tuple([
    literal('vatstoreGetNextKey'),
    string(),
]);
const VatstoreSetStruct = tuple([literal('vatstoreSet'), string(), string()]);
const VatstoreDeleteStruct = tuple([literal('vatstoreDelete'), string()]);
const VatSyscallParamsStruct = union([
    SendStruct,
    SubscribeStruct,
    ResolveStruct,
    ExitStruct,
    DropImportsStruct,
    RetireImportsStruct,
    RetireExportsStruct,
    AbandonExportsStruct,
    // These are bogus, but are needed to keep TypeScript happy
    CallNowStruct,
    VatstoreGetStruct,
    VatstoreGetNextKeyStruct,
    VatstoreSetStruct,
    VatstoreDeleteStruct,
]);
export const vatSyscallSpec = {
    method: 'syscall',
    params: VatSyscallParamsStruct,
};
export const vatSyscallHandler = {
    ...vatSyscallSpec,
    hooks: { handleSyscall: true },
    implementation: ({ handleSyscall }, params) => {
        handleSyscall(params);
    },
};
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