308 lines
11 KiB
QML
308 lines
11 KiB
QML
import QtQuick 2.15
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import StatusQ 0.1
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import StatusQ.Core.Theme 0.1
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import StatusQ.Core.Utils 0.1
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import AppLayouts.Wallet 1.0
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import AppLayouts.Wallet.services.dapps 1.0
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import AppLayouts.Wallet.services.dapps.types 1.0
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import AppLayouts.Profile.stores 1.0
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import shared.stores 1.0
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import shared.popups.walletconnect 1.0
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import SortFilterProxyModel 0.2
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import utils 1.0
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import "types"
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// The WC SDK has an async (function call then signal response)
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// A complete pairing flow to connect a dApp:
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// - user provides pairing url -> root.validatePairingUri -> signal pairingValidated
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// - user requests pair -> root.pair(uri) -> pairResponse(ok)
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// -> if pairResponse ok -> onSessionProposal -> sdk.buildApprovedNamespaces
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// -> onBuildApprovedNamespace -> signal connectDApp
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// - user requests root.approvePairSession/root.rejectPairSession
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// -> if approvePairSession -> sdk.buildApprovedNamespaces
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// -> onBuildApprovedNamespace -> sdk.approveSession -> onApproveSessionResult
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QObject {
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id: root
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//input properties
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required property WalletConnectSDKBase wcSDK
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required property DAppsStore store
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required property var walletRootStore
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//output properties
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/// Model contaning all dApps available for the currently selected account
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readonly property var dappsModel: d.filteredDappsModel
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/// Model containig the dApps session requests to be resolved by the user
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readonly property SessionRequestsModel sessionRequestsModel: requestHandler.requestsModel
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/// Model containing the valid accounts a dApp can interact with
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readonly property var validAccounts: root.walletRootStore.nonWatchAccounts
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/// Model containing the networks a dApp can interact with
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readonly property var flatNetworks: root.walletRootStore.filteredFlatModel
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/// Service can interact with the current address selection
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/// Default value: true
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readonly property bool serviceAvailableToCurrentAddress: !root.walletRootStore.selectedAddress ||
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ModelUtils.contains(root.validAccounts, "address", root.walletRootStore.selectedAddress, Qt.CaseInsensitive)
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/// TODO: refactor
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readonly property alias connectorDAppsProvider: connectorDAppsProvider
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// methods
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/// Triggers the signing process for the given session request
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/// @param topic The topic of the session
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/// @param id The id of the session request
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function sign(topic, id) {
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// The authentication triggers the signing process
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// authenticate -> sign -> inform the dApp
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d.sign(topic, id)
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}
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function rejectSign(topic, id, hasError) {
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d.rejectSign(topic, id, hasError)
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}
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function subscribeForFeeUpdates(topic, id) {
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requestHandler.subscribeForFeeUpdates(topic, id)
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}
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/// Validates the pairing URI
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function validatePairingUri(uri) {
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d.validatePairingUri(uri)
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}
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/// Initiates the pairing process with the given URI
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function pair(uri) {
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timeoutTimer.start()
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requestHandler.pair(uri)
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}
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/// Approves or rejects the session proposal
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function approvePairSession(key, approvedChainIds, accountAddress) {
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requestHandler.approvePairSession(key, approvedChainIds, accountAddress)
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}
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/// Rejects the session proposal
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function rejectPairSession(id) {
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requestHandler.rejectPairSession(id)
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}
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/// Disconnects the dApp with the given topic
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/// @param topic The topic of the dApp
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/// @param source The source of the dApp; either "walletConnect" or "connector"
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function disconnectDapp(topic) {
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d.disconnectDapp(topic)
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}
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// signals
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signal connectDApp(var dappChains, url dappUrl, string dappName, url dappIcon, var key)
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// Emitted as a response to WalletConnectService.approveSession
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// @param key The key of the session proposal
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// @param error The error message
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// @param topic The new topic of the session
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signal approveSessionResult(var key, var error, var topic)
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// Emitted when a new session is requested by a dApp
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signal sessionRequest(string id)
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// Emitted when the services requests to display a toast message
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// @param message The message to display
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// @param type The type of the message. Maps to Constants.ephemeralNotificationType
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signal displayToastMessage(string message, int type)
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// Emitted as a response to WalletConnectService.validatePairingUri or other WalletConnectService.pair
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// and WalletConnectService.approvePair errors
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signal pairingValidated(int validationState)
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signal revokeSession(string topic)
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QObject {
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id: d
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readonly property var dappsModel: ConcatModel {
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id: dappsModel
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markerRoleName: "source"
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sources: [
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SourceModel {
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model: dappsProvider.dappsModel
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markerRoleValue: "walletConnect"
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},
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SourceModel {
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model: connectorDAppsProvider.dappsModel
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markerRoleValue: "statusConnect"
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}
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]
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}
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readonly property var filteredDappsModel: SortFilterProxyModel {
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id: dappsFilteredModel
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objectName: "DAppsModelFiltered"
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sourceModel: d.dappsModel
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readonly property string selectedAddress: root.walletRootStore.selectedAddress
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filters: FastExpressionFilter {
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enabled: !!dappsFilteredModel.selectedAddress
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function isAddressIncluded(accountAddressesSubModel, selectedAddress) {
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if (!accountAddressesSubModel) {
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return false
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}
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const addresses = ModelUtils.modelToFlatArray(accountAddressesSubModel, "address")
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return addresses.includes(selectedAddress)
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}
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expression: isAddressIncluded(model.accountAddresses, dappsFilteredModel.selectedAddress)
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expectedRoles: "accountAddresses"
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}
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}
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function disconnectDapp(topic) {
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const dApp = d.getDAppByTopic(topic)
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if (!dApp) {
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console.error("Disconnecting dApp: dApp not found")
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return
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}
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if (!dApp.connectorId == undefined) {
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console.error("Disconnecting dApp: connectorId not found")
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return
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}
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// TODO: refactor
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if (dApp.connectorId === connectorDAppsProvider.connectorId) {
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root.revokeSession(topic)
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d.notifyDappDisconnect(dApp.url, false)
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return
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}
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// TODO: refactor
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if (dApp.connectorId === dappsProvider.connectorId) {
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// Currently disconnect acts on all sessions!
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for (let i = 0; i < dApp.sessions.ModelCount.count; i++) {
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requestHandler.disconnectSession(dApp.sessions.get(i).topic)
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}
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}
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}
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function validatePairingUri(uri) {
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// Check if emoji inside the URI
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if(Constants.regularExpressions.emoji.test(uri)) {
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root.pairingValidated(Pairing.errors.tooCool)
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return
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} else if(!DAppsHelpers.validURI(uri)) {
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root.pairingValidated(Pairing.errors.invalidUri)
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return
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}
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requestHandler.validatePairingUri(uri)
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}
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function sign(topic, id) {
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const request = sessionRequestsModel.findRequest(topic, id)
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if (!request) {
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console.error("Session request not found")
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return
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}
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request.accept()
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}
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function rejectSign(topic, id, hasError) {
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const request = sessionRequestsModel.findRequest(topic, id)
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if (!request) {
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console.error("Session request not found")
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return
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}
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request.reject(hasError)
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}
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function reportPairErrorState(state) {
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timeoutTimer.stop()
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root.pairingValidated(state)
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}
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function notifyDappDisconnect(dappUrl, err) {
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const appDomain = StringUtils.extractDomainFromLink(dappUrl)
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if(err) {
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root.displayToastMessage(qsTr("Failed to disconnect from %1").arg(appDomain), Constants.ephemeralNotificationType.danger)
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} else {
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root.displayToastMessage(qsTr("Disconnected from %1").arg(appDomain), Constants.ephemeralNotificationType.success)
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}
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}
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function getDAppByTopic(topic) {
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return ModelUtils.getFirstModelEntryIf(d.dappsModel, (modelItem) => {
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if (modelItem.topic == topic) {
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return true
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}
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if (!modelItem.sessions) {
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return false
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}
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for (let i = 0; i < modelItem.sessions.ModelCount.count; i++) {
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if (modelItem.sessions.get(i).topic == topic) {
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return true
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}
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}
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})
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}
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}
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DAppsRequestHandler {
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id: requestHandler
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sdk: root.wcSDK
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store: root.store
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accountsModel: root.validAccounts
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networksModel: root.flatNetworks
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currenciesStore: root.walletRootStore.currencyStore
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assetsStore: root.walletRootStore.walletAssetsStore
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onSessionRequest: (id) => {
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timeoutTimer.stop()
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root.sessionRequest(id)
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}
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onDisplayToastMessage: (message, type) => {
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root.displayToastMessage(message, type)
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}
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onPairingResponse: (state) => {
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if (state != Pairing.errors.uriOk) {
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d.reportPairErrorState(state)
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}
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}
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onConnectDApp: (dappChains, dappUrl, dappName, dappIcon, key) => {
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root.connectDApp(dappChains, dappUrl, dappName, dappIcon, key)
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}
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onApproveSessionResult: (key, error, topic) => {
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root.approveSessionResult(key, error, topic)
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}
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onPairingValidated: (validationState) => {
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timeoutTimer.stop()
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root.pairingValidated(validationState)
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}
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onDappDisconnected: (_, dappUrl, err) => {
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d.notifyDappDisconnect(dappUrl, err)
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}
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}
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DAppsListProvider {
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id: dappsProvider
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sdk: root.wcSDK
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store: root.store
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supportedAccountsModel: root.walletRootStore.nonWatchAccounts
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}
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ConnectorDAppsListProvider {
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id: connectorDAppsProvider
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}
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// Timeout for the corner case where the URL was already dismissed and the SDK doesn't respond with an error nor advances with the proposal
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Timer {
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id: timeoutTimer
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interval: 10000 // (10 seconds)
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running: false
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repeat: false
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onTriggered: {
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d.reportPairErrorState(Pairing.errors.unknownError)
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}
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}
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}
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