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48 lines
1.2 KiB
48 lines
1.2 KiB
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import { createSelector } from 'reselect'
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import {
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CAVEAT_NAMES,
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} from '../../../app/scripts/controllers/permissions/enums'
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const permissionsSelector = (state, origin) => {
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return origin && state.metamask.domains && state.metamask.domains[origin]
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}
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// all permissions for the origin probably too expensive for deep equality check
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const accountsPermissionSelector = createSelector(
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permissionsSelector,
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(domain = {}) => {
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return (
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Array.isArray(domain.permissions)
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? domain.permissions.find(
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(perm) => perm.parentCapability === 'eth_accounts'
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)
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: {}
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)
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}
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)
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/**
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* Selects the permitted accounts from an eth_accounts permission.
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* Expects input from accountsPermissionsSelector.
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* @returns - An empty array or an array of accounts.
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*/
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export const getPermittedAccounts = createSelector(
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accountsPermissionSelector, // deep equal check performed on this output
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(accountsPermission = {}) => {
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const accountsCaveat = (
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Array.isArray(accountsPermission.caveats) &&
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accountsPermission.caveats.find(
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(c) => c.name === CAVEAT_NAMES.exposedAccounts
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)
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)
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return (
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accountsCaveat && Array.isArray(accountsCaveat.value)
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? accountsCaveat.value
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: []
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)
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}
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)
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