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controller.ts
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controller.ts
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import { ControllerMessenger } from '@metamask/base-controller';
import { getPersistedSnapObject } from '@metamask/snaps-utils/test-utils';
import {
CronjobControllerActions,
CronjobControllerEvents,
} from '../cronjob/CronjobController';
import {
AllowedActions,
AllowedEvents,
CheckSnapBlockListArg,
PersistedSnapControllerState,
SnapController,
SnapControllerActions,
SnapControllerEvents,
SnapEndowments,
} from '../snaps';
import { getNodeEES, getNodeEESMessenger } from './execution-environment';
export const getControllerMessenger = () =>
new ControllerMessenger<
SnapControllerActions | AllowedActions,
SnapControllerEvents | AllowedEvents
>();
export const getSnapControllerMessenger = (
messenger: ReturnType<
typeof getControllerMessenger
> = getControllerMessenger(),
mocked = true,
) => {
const snapControllerMessenger = messenger.getRestricted<
'SnapController',
SnapControllerActions['type'] | AllowedActions['type'],
SnapControllerEvents['type'] | AllowedEvents['type']
>({
name: 'SnapController',
allowedEvents: [
'ExecutionService:unhandledError',
'ExecutionService:outboundRequest',
'ExecutionService:outboundResponse',
'SnapController:snapAdded',
'SnapController:snapBlocked',
'SnapController:snapInstalled',
'SnapController:snapUnblocked',
'SnapController:snapUpdated',
'SnapController:snapRemoved',
'SnapController:stateChange',
],
allowedActions: [
'ApprovalController:addRequest',
'ExecutionService:executeSnap',
'ExecutionService:terminateAllSnaps',
'ExecutionService:terminateSnap',
'ExecutionService:handleRpcRequest',
'PermissionController:getEndowments',
'PermissionController:hasPermission',
'PermissionController:hasPermissions',
'PermissionController:getPermissions',
'PermissionController:grantPermissions',
'PermissionController:revokeAllPermissions',
'SnapController:get',
'SnapController:handleRequest',
'SnapController:getSnapState',
'SnapController:has',
'SnapController:updateSnapState',
'SnapController:clearSnapState',
'SnapController:updateBlockedSnaps',
'SnapController:enable',
'SnapController:disable',
'SnapController:remove',
'SnapController:getAll',
'SnapController:getPermitted',
'SnapController:install',
'SnapController:removeSnapError',
'SnapController:incrementActiveReferences',
'SnapController:decrementActiveReferences',
],
});
if (mocked) {
jest
.spyOn(snapControllerMessenger, 'call')
.mockImplementation((method, ...args): any => {
// Return false for long-running by default, and true for everything else.
if (
method === 'PermissionController:hasPermission' &&
args[1] === SnapEndowments.LongRunning
) {
return false;
} else if (method === 'ApprovalController:addRequest') {
return (args[0] as { requestData: unknown }).requestData;
}
return true;
});
}
return snapControllerMessenger;
};
export type SnapControllerConstructorParams = ConstructorParameters<
typeof SnapController
>[0];
export type PartialSnapControllerConstructorParams = Partial<
Omit<ConstructorParameters<typeof SnapController>[0], 'state'> & {
state: Partial<SnapControllerConstructorParams['state']>;
}
>;
export const getSnapControllerOptions = (
opts?: PartialSnapControllerConstructorParams,
) => {
const options = {
environmentEndowmentPermissions: [],
closeAllConnections: jest.fn(),
getAppKey: jest
.fn()
.mockImplementation((snapId, appKeyType) => `${appKeyType}:${snapId}`),
messenger: getSnapControllerMessenger(),
featureFlags: { dappsCanUpdateSnaps: true },
checkBlockList: jest
.fn()
.mockImplementation(async (snaps: CheckSnapBlockListArg) =>
Promise.resolve(
Object.keys(snaps).reduce(
(acc, snapId) => ({ ...acc, [snapId]: { blocked: false } }),
{},
),
),
),
state: undefined,
...opts,
} as SnapControllerConstructorParams;
options.state = {
snaps: {},
snapErrors: {},
snapStates: {},
...options.state,
};
return options;
};
export type GetSnapControllerWithEESOptionsParam = Omit<
PartialSnapControllerConstructorParams,
'messenger'
> & { rootMessenger?: ReturnType<typeof getControllerMessenger> };
export const getSnapControllerWithEESOptions = (
opts: GetSnapControllerWithEESOptionsParam = {},
) => {
const { rootMessenger = getControllerMessenger() } = opts;
const snapControllerMessenger = getSnapControllerMessenger(
rootMessenger,
false,
);
const originalCall = snapControllerMessenger.call.bind(
snapControllerMessenger,
);
jest
.spyOn(snapControllerMessenger, 'call')
.mockImplementation((method, ...args) => {
// Mock long running permission, call actual implementation for everything else
if (
method === 'PermissionController:hasPermission' &&
args[1] === SnapEndowments.LongRunning
) {
return false;
}
return (originalCall as any)(method, ...args);
});
return {
environmentEndowmentPermissions: [],
closeAllConnections: jest.fn(),
getAppKey: jest
.fn()
.mockImplementation((snapId, appKeyType) => `${appKeyType}:${snapId}`),
messenger: snapControllerMessenger,
...opts,
rootMessenger,
} as SnapControllerConstructorParams & {
rootMessenger: ReturnType<typeof getControllerMessenger>;
};
};
export const getSnapController = (options = getSnapControllerOptions()) => {
return new SnapController(options);
};
export const getSnapControllerWithEES = (
options = getSnapControllerWithEESOptions(),
service?: ReturnType<typeof getNodeEES>,
) => {
const _service =
service ?? getNodeEES(getNodeEESMessenger(options.rootMessenger));
const controller = new SnapController(options);
return [controller, _service] as const;
};
export const getPersistedSnapsState = (
...snaps: PersistedSnapControllerState['snaps'][string][]
): PersistedSnapControllerState['snaps'] => {
return (snaps.length > 0 ? snaps : [getPersistedSnapObject()]).reduce<
PersistedSnapControllerState['snaps']
>((snapsState, snapObject) => {
snapsState[snapObject.id] = snapObject;
return snapsState;
}, {});
};
// Mock controller messenger for Cronjob Controller
export const getRootCronjobControllerMessenger = () =>
new ControllerMessenger<
CronjobControllerActions | AllowedActions,
CronjobControllerEvents | AllowedEvents
>();
export const getRestrictedCronjobControllerMessenger = (
messenger: ReturnType<
typeof getRootCronjobControllerMessenger
> = getRootCronjobControllerMessenger(),
mocked = true,
) => {
const cronjobControllerMessenger = messenger.getRestricted<
'CronjobController',
CronjobControllerActions['type'] | AllowedActions['type'],
CronjobControllerEvents['type'] | AllowedEvents['type']
>({
name: 'CronjobController',
allowedEvents: [
'SnapController:snapInstalled',
'SnapController:snapUpdated',
'SnapController:snapRemoved',
],
allowedActions: [
'PermissionController:getPermissions',
'SnapController:handleRequest',
],
});
if (mocked) {
jest
.spyOn(cronjobControllerMessenger, 'call')
.mockImplementation((method, ...args) => {
// Return false for long-running by default, and true for everything else.
if (
method === 'PermissionController:hasPermission' &&
args[1] === SnapEndowments.LongRunning
) {
return false;
}
return true;
});
}
return cronjobControllerMessenger;
};