status-desktop/ui/app/AppLayouts/Browser/views/WebProviderObj.qml

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import QtQuick 2.13
import QtWebChannel 1.13
import QtQuick.Dialogs 1.2
import utils 1.0
import shared.controls 1.0
import "../stores"
QtObject {
id: provider
property var createAccessDialogComponent: function(){}
property var createSendTransactionModalComponent: function(){}
property var createSignMessageModalComponent: function(){}
property var showSendingError: function(){}
property var showSigningError: function(){}
property var showToastMessage: function(){}
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property int chainId: (Web3ProviderStore && Web3ProviderStore.chainId) || 1
signal web3Response(string data);
function signValue(input){
if(Utils.isHex(input) && Utils.startsWith0x(input)){
return input
}
return RootStore.getAscii2Hex(input)
}
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property Connections conn: Connections {
target: Web3ProviderStore.web3ProviderInst
onPostMessageResult: {
web3Response(result)
const isSign = ["eth_sign", "personal_sign", "eth_signTypedData", "eth_signTypedData_v3"].indexOf(payloadMethod) > -1
const isTx = payloadMethod === "eth_sendTransaction"
try {
let responseObj = JSON.parse(result)
if (responseObj.error) {
throw new Error(responseObj.error)
}
if (isTx) {
showToastMessage(responseObj.result.result)
}
} catch (e) {
if (isTx) {
showSendingError(e.message)
} else if (isSign) {
showSigningError(e.message.message)
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}
}
}
}
function postMessage(requestType, data) {
var request;
try {
request = JSON.parse(data)
} catch (e) {
console.error("Error parsing the message data", e)
return;
}
request.address = WalletStore.dappBrowserAccount.address
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if (!request.payload) {
request.payload = {}
}
request.payload.chainId = provider.chainId
var ensAddr = Web3ProviderStore.urlENSDictionary[request.hostname];
if (ensAddr) {
request.hostname = ensAddr;
}
if (requestType === Constants.web3DisconnectAccount) {
RootStore.currentTabConnected = false
web3Response(JSON.stringify({type: Constants.web3DisconnectAccount}));
} else if (requestType === Constants.api_request) {
if (!Web3ProviderStore.hasPermission(request.hostname, request.address, request.permission)) {
RootStore.currentTabConnected = false
var dialog = createAccessDialogComponent()
dialog.request = request;
dialog.open();
} else {
RootStore.currentTabConnected = true
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Web3ProviderStore.web3ProviderInst.postMessage("", requestType, JSON.stringify(request));
}
} else if (requestType === Constants.web3SendAsyncReadOnly &&
request.payload.method === "eth_sendTransaction") {
var acc = WalletStore.dappBrowserAccount
const value = RootStore.getWei2Eth(request.payload.params[0].value, 18);
const sendDialog = createSendTransactionModalComponent(request)
sendDialog.sendTransaction = function (selectedGasLimit, selectedGasPrice, selectedTipLimit, selectedOverallLimit, enteredPassword) {
let trx = request.payload.params[0]
// TODO: use bignumber instead of floats
trx.value = RootStore.getEth2Hex(parseFloat(value))
trx.gas = "0x" + parseInt(selectedGasLimit, 10).toString(16)
trx.maxPriorityFeePerGas = RootStore.getGwei2Hex(parseFloat(selectedTipLimit))
trx.maxFeePerGas = RootStore.getGwei2Hex(parseFloat(selectedOverallLimit))
request.payload.password = enteredPassword
request.payload.params[0] = trx
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Web3ProviderStore.web3ProviderInst.postMessage(request.payload.method, requestType, JSON.stringify(request))
sendDialog.close()
sendDialog.destroy()
}
sendDialog.open();
} else if (requestType === Constants.web3SendAsyncReadOnly && ["eth_sign", "personal_sign", "eth_signTypedData", "eth_signTypedData_v3"].indexOf(request.payload.method) > -1) {
const signDialog = createSignMessageModalComponent(request)
signDialog.web3Response = web3Response
signDialog.signMessage = function (enteredPassword) {
signDialog.interactedWith = true;
request.payload.password = enteredPassword;
request.payload.from = WalletStore.dappBrowserAccount.address;
switch(request.payload.method){
case Constants.personal_sign:
request.payload.params[0] = signValue(request.payload.params[0]);
case Constants.eth_sign:
request.payload.params[1] = signValue(request.payload.params[1]);
}
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Web3ProviderStore.web3ProviderInst.postMessage(request.payload.method, requestType, JSON.stringify(request));
signDialog.close()
signDialog.destroy()
}
signDialog.open();
} else if (request.type === Constants.web3DisconnectAccount) {
web3Response(data);
} else {
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Web3ProviderStore.web3ProviderInst.postMessage(request.payload.method, requestType, JSON.stringify(request));
}
}
WebChannel.id: "backend"
}