Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 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 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 | import { makeDiscoverableExo } from '@metamask/kernel-utils/discoverable';
import { makeDefaultExo } from '@metamask/kernel-utils/exo';
/**
* Build function for a vat that exports a discoverable exo capability.
*
* @param _vatPowers - Special powers granted to this vat (not used here).
* @param _parameters - Initialization parameters from the vat's config object.
* @param _baggage - Root of vat's persistent state (not used here).
* @returns The root object for the new vat.
*/
// eslint-disable-next-line @typescript-eslint/explicit-function-return-type
export function buildRootObject(
_vatPowers: unknown,
_parameters: unknown = {},
_baggage: unknown = null,
) {
const calculator = makeDiscoverableExo(
'Calculator',
{
add: (a: number, b: number) => a + b,
multiply: (a: number, b: number) => a * b,
greet: (name: string) => `Hello, ${name}!`,
},
{
add: {
description: 'Adds two numbers together',
args: {
a: {
type: 'number',
description: 'First number',
},
b: {
type: 'number',
description: 'Second number',
},
},
returns: {
type: 'number',
description: 'The sum of the two numbers',
},
},
multiply: {
description: 'Multiplies two numbers together',
args: {
a: {
type: 'number',
description: 'First number',
},
b: {
type: 'number',
description: 'Second number',
},
},
returns: {
type: 'number',
description: 'The product of the two numbers',
},
},
greet: {
description: 'Greets a person by name',
args: {
name: {
type: 'string',
description: 'The name of the person to greet',
},
},
returns: {
type: 'string',
description: 'A greeting message',
},
},
},
);
return makeDefaultExo('root', {
bootstrap() {
return 'discoverable-capability-vat ready';
},
getCalculator() {
return calculator;
},
});
}
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