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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 | 5x 5x 5x 3x 3x | import type { CapData } from '@endo/marshal';
import type { MethodSpec, Handler } from '@metamask/kernel-rpc-methods';
import type { Kernel, ClusterConfig, KRef } from '@metamask/ocap-kernel';
import { ClusterConfigStruct, CapDataStruct } from '@metamask/ocap-kernel';
import {
object,
string,
nullable,
type as structType,
} from '@metamask/superstruct';
/**
* JSON-compatible version of SubclusterLaunchResult for RPC.
* Uses null instead of undefined for JSON serialization.
*/
type LaunchSubclusterRpcResult = {
subclusterId: string;
bootstrapRootKref: string;
bootstrapResult: CapData<KRef> | null;
};
const LaunchSubclusterRpcResultStruct = structType({
subclusterId: string(),
bootstrapRootKref: string(),
bootstrapResult: nullable(CapDataStruct),
});
export const launchSubclusterSpec: MethodSpec<
'launchSubcluster',
{ config: ClusterConfig },
Promise<LaunchSubclusterRpcResult>
> = {
method: 'launchSubcluster',
params: object({ config: ClusterConfigStruct }),
result: LaunchSubclusterRpcResultStruct,
};
export type LaunchSubclusterHooks = {
kernel: Pick<Kernel, 'launchSubcluster'>;
};
export const launchSubclusterHandler: Handler<
'launchSubcluster',
{ config: ClusterConfig },
Promise<LaunchSubclusterRpcResult>,
LaunchSubclusterHooks
> = {
...launchSubclusterSpec,
hooks: { kernel: true },
implementation: async (
{ kernel }: LaunchSubclusterHooks,
params: { config: ClusterConfig },
): Promise<LaunchSubclusterRpcResult> => {
const result = await kernel.launchSubcluster(params.config);
// Convert undefined to null for JSON compatibility
return {
subclusterId: result.subclusterId,
bootstrapRootKref: result.bootstrapRootKref,
bootstrapResult: result.bootstrapResult ?? null,
};
},
};
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