status-desktop/ui/app/AppLayouts/Wallet/services/dapps/DappsConnectorSDK.qml

537 lines
21 KiB
QML

import QtQuick 2.15
import QtQuick.Controls 2.15
import QtQuick.Layouts 1.15
import QtWebEngine 1.10
import QtWebChannel 1.15
import StatusQ.Core.Utils 0.1 as SQUtils
import StatusQ.Components 0.1
import StatusQ 0.1
import SortFilterProxyModel 0.2
import AppLayouts.Wallet.controls 1.0
import shared.popups.walletconnect 1.0
import AppLayouts.Wallet.services.dapps 1.0
import AppLayouts.Wallet.services.dapps.types 1.0
import shared.stores 1.0
import utils 1.0
import "types"
// Act as another layer of abstraction to the WalletConnectSDKBase
// Quick hack until the WalletConnectSDKBase could be refactored to a more generic DappProviderBase with API to match
// the UX requirements
WalletConnectSDKBase {
id: root
required property WalletConnectService wcService
required property var walletStore
required property DAppsStore store
required property int loginType
property var controller
property var dappInfo: null
property var txArgs: null
property bool sdkReady: true
property bool active: true
property string requestId: ""
property alias requestsModel: requests
projectId: ""
implicitWidth: 1
implicitHeight: 1
// TODO Refactor this code to avoid code duplication from Wallet Connect DAppsRequestHandler
// https://github.com/status-im/status-desktop/issues/15711
QtObject {
id: d
function sessionRequestEvent(event) {
let obj = d.resolveAsync(event)
if (obj === null) {
let error = true
controller.rejectTransactionSigning(root.requestId)
return
}
sessionRequestLoader.request = obj
requests.enqueue(obj)
}
function resolveAsync(event) {
let method = event.params.request.method
let account = lookupAccountFromEvent(event, method)
if(!account) {
console.error("Error finding account for event", JSON.stringify(event))
return null
}
let network = lookupNetworkFromEvent(event, method)
if(!network) {
console.error("Error finding network for event", JSON.stringify(event))
return null
}
let data = extractMethodData(event, method)
if(!data) {
console.error("Error in event data lookup", JSON.stringify(event))
return null
}
let enoughFunds = !isTransactionMethod(method)
let obj = sessionRequestComponent.createObject(null, {
event,
topic: event.topic,
id: event.id,
method,
account,
network,
data,
maxFeesText: "?",
maxFeesEthText: "?",
enoughFunds: enoughFunds,
estimatedTimeText: "?"
})
if (obj === null) {
console.error("Error creating SessionRequestResolved for event")
return null
}
// Check later to have a valid request object
if (!SessionRequest.getSupportedMethods().includes(method)) {
console.error("Unsupported method", method)
return null
}
let session = getActiveSessions(root.dappInfo)
if (session === null) {
console.error("DAppsRequestHandler.lookupSession: error finding session for topic", obj.topic)
return
}
obj.resolveDappInfoFromSession(session)
return obj
}
function isTransactionMethod(method) {
return method === SessionRequest.methods.signTransaction.name
|| method === SessionRequest.methods.sendTransaction.name
}
/// Returns null if the account is not found
function lookupAccountFromEvent(event, method) {
var address = ""
if (method === SessionRequest.methods.personalSign.name) {
if (event.params.request.params.length < 2) {
return null
}
address = event.params.request.params[0]
} else if (method === SessionRequest.methods.sign.name) {
if (event.params.request.params.length === 1) {
return null
}
address = event.params.request.params[0]
} else if(method === SessionRequest.methods.signTypedData_v4.name ||
method === SessionRequest.methods.signTypedData.name)
{
if (event.params.request.params.length < 2) {
return null
}
address = event.params.request.params[0]
} else if (method === SessionRequest.methods.signTransaction.name
|| method === SessionRequest.methods.sendTransaction.name) {
if (event.params.request.params.length == 0) {
return null
}
address = event.params.request.params[0]
}
return SQUtils.ModelUtils.getFirstModelEntryIf(root.wcService.validAccounts, (account) => {
return account.address.toLowerCase() === address.toLowerCase();
})
}
/// Returns null if the network is not found
function lookupNetworkFromEvent(event, method) {
if (SessionRequest.getSupportedMethods().includes(method) === false) {
return null
}
let chainId = Helpers.chainIdFromEip155(event.params.chainId)
return SQUtils.ModelUtils.getByKey(networksModule.flatNetworks, "chainId", chainId)
}
function extractMethodData(event, method) {
if (method === SessionRequest.methods.personalSign.name ||
method === SessionRequest.methods.sign.name)
{
if (event.params.request.params.length < 1) {
return null
}
var message = ""
let messageIndex = (method === SessionRequest.methods.personalSign.name ? 0 : 1)
let messageParam = event.params.request.tx.data
// There is no standard on how data is encoded. Therefore we support hex or utf8
if (Helpers.isHex(messageParam)) {
message = Helpers.hexToString(messageParam)
} else {
message = messageParam
}
return SessionRequest.methods.personalSign.buildDataObject(message)
} else if (method === SessionRequest.methods.signTypedData_v4.name ||
method === SessionRequest.methods.signTypedData.name)
{
if (event.params.request.params.length < 2) {
return null
}
let jsonMessage = event.params.request.params[1]
let methodObj = method === SessionRequest.methods.signTypedData_v4.name
? SessionRequest.methods.signTypedData_v4
: SessionRequest.methods.signTypedData
return methodObj.buildDataObject(jsonMessage)
} else if (method === SessionRequest.methods.signTransaction.name) {
if (event.params.request.params.length == 0) {
return null
}
let tx = event.params.request.params[0]
return SessionRequest.methods.signTransaction.buildDataObject(tx)
} else if (method === SessionRequest.methods.sendTransaction.name) {
if (event.params.request.params.length == 0) {
return null
}
let tx = event.params.request.params[0]
return SessionRequest.methods.sendTransaction.buildDataObject(tx)
} else {
return null
}
}
function executeSessionRequest(request, password, pin) {
if (!SessionRequest.getSupportedMethods().includes(request.method)) {
console.error("Unsupported method to execute: ", request.method)
return
}
if (password !== "") {
var actionResult = ""
if (request.method === SessionRequest.methods.sign.name) {
actionResult = store.signMessageUnsafe(request.topic, request.id,
request.account.address, password,
SessionRequest.methods.personalSign.getMessageFromData(request.data))
} else if (request.method === SessionRequest.methods.personalSign.name) {
actionResult = store.signMessage(request.topic, request.id,
request.account.address, password,
SessionRequest.methods.personalSign.getMessageFromData(request.data))
} else if (request.method === SessionRequest.methods.signTypedData_v4.name ||
request.method === SessionRequest.methods.signTypedData.name)
{
let legacy = request.method === SessionRequest.methods.signTypedData.name
actionResult = store.safeSignTypedData(request.topic, request.id,
request.account.address, password,
SessionRequest.methods.signTypedData.getMessageFromData(request.data),
request.network.chainId, legacy)
} else if (request.method === SessionRequest.methods.signTransaction.name) {
let txObj = SessionRequest.methods.signTransaction.getTxObjFromData(request.data)
actionResult = store.signTransaction(request.topic, request.id,
request.account.address, request.network.chainId, password, txObj)
} else if (request.method === SessionRequest.methods.sendTransaction.name) {
let txObj = SessionRequest.methods.sendTransaction.getTxObjFromData(request.data)
actionResult = store.sendTransaction(request.topic, request.id,
request.account.address, request.network.chainId, password, txObj)
}
let isSuccessful = (actionResult != "")
if (isSuccessful) {
// acceptSessionRequest will trigger an sdk.sessionRequestUserAnswerResult signal
acceptSessionRequest(request.topic, request.method, request.id, actionResult)
} else {
root.sessionRequestResult(request, isSuccessful)
}
} else if (pin !== "") {
console.debug("TODO #15097 sign message using keycard: ", request.data)
} else {
console.error("No password or pin provided to sign message")
}
}
function acceptSessionRequest(topic, method, id, signature) {
console.debug(`WC DappsConnectorSDK.acceptSessionRequest; topic: "${topic}", id: ${root.requestId}, signature: "${signature}"`)
sessionRequestLoader.active = false
controller.approveTransactionRequest(requestId, signature)
root.wcService.displayToastMessage(qsTr("Successfully signed transaction from %1").arg(root.dappInfo.url), false)
}
function getActiveSessions(dappInfos) {
let sessionTemplate = (dappUrl, dappName, dappIcon) => {
return {
"peer": {
"metadata": {
"description": "-",
"icons": [
dappIcon
],
"name": dappName,
"url": dappUrl
}
},
"topic": dappUrl
};
}
return sessionTemplate(dappInfos.url, dappInfos.name, dappInfos.icon)
}
function authenticate(request) {
return store.authenticateUser(request.topic, request.id, request.account.address)
}
}
Connections {
target: root.store
function onUserAuthenticated(topic, id, password, pin) {
var request = requests.findRequest(topic, id)
if (request === null) {
console.error(">Error finding event for topic", topic, "id", id)
return
}
d.executeSessionRequest(request, password, pin)
}
function onUserAuthenticationFailed(topic, id) {
var request = requests.findRequest(topic, id)
let methodStr = SessionRequest.methodToUserString(request.method)
if (request === null || !methodStr) {
return
}
d.lookupSession(topic, function(session) {
if (session === null)
return
root.displayToastMessage(qsTr("Failed to authenticate %1").arg(session.peer.metadata.url), true)
})
}
}
Loader {
id: connectDappLoader
active: false
property var dappChains: []
property var sessionProposal: null
property var availableNamespaces: null
property var sessionTopic: null
readonly property var proposalMedatada: !!sessionProposal
? sessionProposal.params.proposer.metadata
: { name: "", url: "", icons: [] }
sourceComponent: ConnectDAppModal {
visible: true
onClosed: {
rejectSession(root.requestId)
connectDappLoader.active = false
}
flatNetworks: root.walletStore.filteredFlatModel
accounts: root.wcService.validAccounts
dAppUrl: proposalMedatada.url
dAppName: proposalMedatada.name
dAppIconUrl: !!proposalMedatada.icons && proposalMedatada.icons.length > 0 ? proposalMedatada.icons[0] : ""
multipleChainSelection: false
onConnect: {
connectDappLoader.active = false
approveSession(root.requestId, selectedAccount.address, selectedChains)
}
onDecline: {
connectDappLoader.active = false
rejectSession(root.requestId)
}
}
}
Loader {
id: sessionRequestLoader
active: false
onLoaded: item.open()
property SessionRequestResolved request: null
property var dappInfo: null
sourceComponent: DAppSignRequestModal {
id: dappRequestModal
objectName: "connectorDappsRequestModal"
loginType: request.account.migragedToKeycard ? Constants.LoginType.Keycard : root.loginType
visible: true
dappName: request.dappName
dappUrl: request.dappUrl
dappIcon: request.dappIcon
accountColor: request.account.color
accountName: request.account.name
accountAddress: request.account.address
accountEmoji: request.account.emoji
networkName: request.network.chainName
networkIconPath: Style.svg(request.network.iconUrl)
currentCurrency: ""
fiatFees: request.maxFeesText
cryptoFees: request.maxFeesEthText
estimatedTime: ""
feesLoading: !request.maxFeesText || !request.maxFeesEthText
hasFees: signingTransaction
enoughFundsForTransaction: request.enoughFunds
enoughFundsForFees: request.enoughFunds
signingTransaction: request.method === SessionRequest.methods.signTransaction.name || request.method === SessionRequest.methods.sendTransaction.name
requestPayload: {
switch(request.method) {
case SessionRequest.methods.personalSign.name:
return SessionRequest.methods.personalSign.getMessageFromData(request.data)
case SessionRequest.methods.sign.name: {
return SessionRequest.methods.sign.getMessageFromData(request.data)
}
case SessionRequest.methods.signTypedData_v4.name: {
const stringPayload = SessionRequest.methods.signTypedData_v4.getMessageFromData(request.data)
return JSON.stringify(JSON.parse(stringPayload), null, 2)
}
case SessionRequest.methods.signTypedData.name: {
const stringPayload = SessionRequest.methods.signTypedData.getMessageFromData(root.payloadData)
return JSON.stringify(JSON.parse(stringPayload), null, 2)
}
case SessionRequest.methods.signTransaction.name: {
const jsonPayload = SessionRequest.methods.signTransaction.getTxObjFromData(request.data)
return JSON.stringify(jsonPayload, null, 2)
}
case SessionRequest.methods.sendTransaction.name: {
const jsonPayload = SessionRequest.methods.sendTransaction.getTxObjFromData(request.data)
return JSON.stringify(jsonPayload, null, 2)
}
}
}
onClosed: {
Qt.callLater( () => {
sessionRequestLoader.active = false
})
}
onAccepted: {
if (!request) {
console.error("Error signing: request is null")
return
}
d.authenticate(request)
}
onRejected: {
sessionRequestLoader.active = false
controller.rejectTransactionSigning(root.requestId)
root.wcService.displayToastMessage(qsTr("Failed to sign transaction from %1").arg(request.dappUrl), true)
}
}
}
Component {
id: sessionRequestComponent
SessionRequestResolved {
}
}
SessionRequestsModel {
id: requests
}
Connections {
target: controller
onDappValidatesTransaction: function(requestId, dappInfoString) {
var dappInfo = JSON.parse(dappInfoString)
root.dappInfo = dappInfo
var txArgsParams = JSON.parse(dappInfo.txArgs)
root.txArgs = txArgsParams
let event = {
"id": root.requestId,
"topic": dappInfo.url,
"params": {
"chainId": `eip155:${dappInfo.chainId}`,
"request": {
"method": SessionRequest.methods.personalSign.name,
"tx": {
"data": txArgsParams.data,
},
"params": [
txArgsParams.from,
txArgsParams.to,
],
}
}
}
d.sessionRequestEvent(event)
sessionRequestLoader.active = true
root.requestId = requestId
}
onDappRequestsToConnect: function(requestId, dappInfoString) {
var dappInfo = JSON.parse(dappInfoString)
root.dappInfo = dappInfo
let sessionProposal = {
"params": {
"optionalNamespaces": {},
"proposer": {
"metadata": {
"description": "-",
"icons": [
dappInfo.icon
],
"name": dappInfo.name,
"url": dappInfo.url
}
},
"requiredNamespaces": {
"eip155": {
"chains": [
`eip155:${dappInfo.chainId}`
],
"events": [],
"methods": [SessionRequest.methods.personalSign.name]
}
}
}
};
connectDappLoader.sessionProposal = sessionProposal
connectDappLoader.active = true
root.requestId = requestId
}
}
approveSession: function(requestId, account, selectedChains) {
controller.approveDappConnectRequest(requestId, account, JSON.stringify(selectedChains))
root.wcService.displayToastMessage(qsTr("Successfully authenticated %1").arg(root.dappInfo.url), false)
}
rejectSession: function(requestId) {
controller.rejectDappConnectRequest(requestId)
root.wcService.displayToastMessage(qsTr("Failed to authenticate %1").arg(root.dappInfo.url), true)
}
// We don't expect requests for these. They are here only to spot errors
pair: function(pairLink) { console.error("ConnectorSDK.pair: not implemented") }
getPairings: function(callback) { console.error("ConnectorSDK.getPairings: not implemented") }
disconnectPairing: function(topic) { console.error("ConnectorSDK.disconnectPairing: not implemented") }
buildApprovedNamespaces: function(params, supportedNamespaces) { console.error("ConnectorSDK.buildApprovedNamespaces: not implemented") }
}