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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 | 5x 5x 2x | import type { CapData } from '@endo/marshal';
import type { MethodSpec, Handler } from '@metamask/kernel-rpc-methods';
import type { Kernel } from '@metamask/ocap-kernel';
import { CapDataStruct } from '@metamask/ocap-kernel';
import { tuple, string, array } from '@metamask/superstruct';
import { UnsafeJsonStruct } from '@metamask/utils';
import type { Json } from '@metamask/utils';
/**
* Enqueue a message to a vat via the kernel's crank queue.
*/
export const queueMessageSpec: MethodSpec<
'queueMessage',
[string, string, Json[]],
CapData<string>
> = {
method: 'queueMessage',
params: tuple([string(), string(), array(UnsafeJsonStruct)]),
result: CapDataStruct,
};
export type QueueMessageHooks = {
kernel: Pick<Kernel, 'queueMessage'>;
};
export const queueMessageHandler: Handler<
'queueMessage',
[string, string, Json[]],
Promise<CapData<string>>,
QueueMessageHooks
> = {
...queueMessageSpec,
hooks: { kernel: true },
implementation: async (
{ kernel }: QueueMessageHooks,
[target, method, args],
): Promise<CapData<string>> => {
return kernel.queueMessage(target, method, args);
},
};
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