147 lines
6.2 KiB
QML
147 lines
6.2 KiB
QML
import QtQuick 2.13
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import QtWebChannel 1.13
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import QtQuick.Dialogs 1.2
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import utils 1.0
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import shared.controls 1.0
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import "../stores"
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QtObject {
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id: provider
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property var createAccessDialogComponent: function(){}
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property var createSendTransactionModalComponent: function(){}
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property var createSignMessageModalComponent: function(){}
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property var showSendingError: function(){}
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property var showSigningError: function(){}
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property var showToastMessage: function(){}
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property int chainId: (Web3ProviderStore && Web3ProviderStore.chainId) || 1
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signal web3Response(string data);
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function signValue(input){
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if(Utils.isHex(input) && Utils.startsWith0x(input)){
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return input
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}
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return RootStore.getAscii2Hex(input)
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}
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property Connections conn: Connections {
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target: Web3ProviderStore.web3ProviderInst
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onPostMessageResult: {
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web3Response(result)
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const isSign = ["eth_sign", "personal_sign", "eth_signTypedData", "eth_signTypedData_v3"].indexOf(payloadMethod) > -1
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const isTx = payloadMethod === "eth_sendTransaction"
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try {
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let responseObj = JSON.parse(result)
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if (responseObj.error) {
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throw new Error(responseObj.error)
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}
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if (isTx) {
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showToastMessage(responseObj.result.result)
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}
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} catch (e) {
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if (isTx) {
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showSendingError(e.message)
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} else if (isSign) {
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showSigningError(e.message.message)
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}
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}
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}
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}
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function postMessage(requestType, data) {
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var request;
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try {
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request = JSON.parse(data)
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} catch (e) {
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console.error("Error parsing the message data", e)
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return;
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}
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request.address = WalletStore.dappBrowserAccount.address
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if (!request.payload) {
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request.payload = {}
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}
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request.payload.chainId = provider.chainId
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var ensAddr = Web3ProviderStore.urlENSDictionary[request.hostname];
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if (ensAddr) {
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request.hostname = ensAddr;
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}
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if (requestType === Constants.web3DisconnectAccount) {
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RootStore.currentTabConnected = false
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web3Response(JSON.stringify({type: Constants.web3DisconnectAccount}));
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} else if (requestType === Constants.api_request) {
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if (!Web3ProviderStore.hasPermission(request.hostname, request.address, request.permission)) {
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RootStore.currentTabConnected = false
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var dialog = createAccessDialogComponent()
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dialog.request = request;
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dialog.open();
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} else {
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RootStore.currentTabConnected = true
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Web3ProviderStore.web3ProviderInst.postMessage("", requestType, JSON.stringify(request));
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}
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} else if (requestType === Constants.web3SendAsyncReadOnly &&
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request.payload.method === "eth_sendTransaction") {
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var acc = WalletStore.dappBrowserAccount
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const value = RootStore.getWei2Eth(request.payload.params[0].value, 18);
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const sendDialog = createSendTransactionModalComponent(request, requestType)
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sendDialog.sendTransaction = function () {
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if(sendDialog.bestRoutes.length === 1) {
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let path = sendDialog.bestRoutes[0]
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let eip1559Enabled = path.gasFees.eip1559Enabled
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let maxFeePerGas = (sendDialog.selectedPriority === 0) ? path.gasFees.maxFeePerGasL:
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(sendDialog.selectedPriority === 1) ? path.gasFees.maxFeePerGasM:
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path.gasFees.maxFeePerGasH
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let trx = request.payload.params[0]
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// TODO: use bignumber instead of floats
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trx.value = RootStore.getEth2Hex(parseFloat(value))
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trx.gas = "0x" + parseInt(path.gasAmount, 10).toString(16)
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trx.maxPriorityFeePerGas = RootStore.getGwei2Hex(parseFloat(eip1559Enabled ? path.gasFees.maxPriorityFeePerGas : "0"))
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trx.maxFeePerGas = RootStore.getGwei2Hex(parseFloat(eip1559Enabled ? maxFeePerGas : path.gasFees.gasPrice))
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request.payload.params[0] = trx
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Web3ProviderStore.web3ProviderInst.authenticateToPostMessage(request.payload.method, requestType, JSON.stringify(request))
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sendDialog.close()
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}
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}
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sendDialog.open();
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} else if (requestType === Constants.web3SendAsyncReadOnly && ["eth_sign", "personal_sign", "eth_signTypedData", "eth_signTypedData_v3"].indexOf(request.payload.method) > -1) {
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const signDialog = createSignMessageModalComponent(request)
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signDialog.web3Response = web3Response
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signDialog.signMessage = function (enteredPassword) {
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signDialog.interactedWith = true;
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request.payload.password = enteredPassword;
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request.payload.from = WalletStore.dappBrowserAccount.address;
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switch(request.payload.method){
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case Constants.personal_sign:
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request.payload.params[0] = signValue(request.payload.params[0]);
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case Constants.eth_sign:
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request.payload.params[1] = signValue(request.payload.params[1]);
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}
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Web3ProviderStore.web3ProviderInst.postMessage(request.payload.method, requestType, JSON.stringify(request));
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signDialog.close()
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signDialog.destroy()
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}
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signDialog.open();
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} else if (request.type === Constants.web3DisconnectAccount) {
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web3Response(data);
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} else {
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Web3ProviderStore.web3ProviderInst.postMessage(request.payload.method, requestType, JSON.stringify(request));
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}
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}
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WebChannel.id: "backend"
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}
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