134 lines
4.4 KiB
QML
134 lines
4.4 KiB
QML
import QtQuick 2.15
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import StatusQ.Core.Utils 0.1 as SQUtils
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import utils 1.0
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SQUtils.QObject {
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id: root
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/*
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Input properties
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*/
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// standard transaction object
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required property var txObject
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// subscriber id
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required property string key
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// chainId -> chain id for the transaction
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required property int chainId
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// active specifies if the subscriber has an active subscription
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required property bool active
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// selectedFeesMode -> selected fees mode. Defaults to Constants.TransactionFeesMode.Medium
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property int selectedFeesMode: Constants.TransactionFeesMode.Medium
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// Required function to be implemented by the subscriber
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required property var hexToDec /*(hexValue) => decValue*/
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/*
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Published properties
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*/
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// estimatedTimeResponse -> maps to Constants.TransactionEstimatedTime
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readonly property int estimatedTimeResponse: d.estimatedTimeResponse
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// maxEthFee -> Big number in Gwei. Represens the total fees for the transaction
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readonly property var maxEthFee: d.computedFees
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// feesInfo -> status-go fees info with updated maxFeePerGas based on selectedFeesMode
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readonly property var feesInfo: d.computedFeesInfo
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// gasLimit -> gas limit for the transaction
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readonly property var gasLimit: d.gasResponse
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function setFees(fees) {
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if (d.feesResponse === fees) {
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return
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}
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d.feesResponse = fees
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d.resetFees()
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}
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function setGas(gas) {
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if (d.gasResponse === gas) {
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return
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}
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d.gasResponse = gas
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d.resetFees()
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}
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function setEstimatedTime(estimatedTime) {
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if(!estimatedTime) {
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estimatedTime = Constants.TransactionEstimatedTime.Unknown
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return
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}
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d.estimatedTimeResponse = estimatedTime
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}
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QtObject {
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id: d
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property int estimatedTimeResponse: Constants.TransactionEstimatedTime.Unknown
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property var feesResponse
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property var gasResponse
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// Eth max fee in Gwei
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property var computedFees
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// feesResponse with additional `maxFeePerGas` property based on selectedFeesMode
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property var computedFeesInfo
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function resetFees() {
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if (!d.feesResponse) {
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return
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}
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if (!gasResponse) {
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return
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}
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try {
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d.computedFees = getEstimatedMaxFees()
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d.computedFeesInfo = d.feesResponse
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d.computedFeesInfo.maxFeePerGas = getFeesForFeesMode(d.feesResponse)
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} catch (e) {
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console.error("Failed to compute fees", e, e.stack)
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}
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}
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function getFeesForFeesMode(feesObj) {
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if (!(feesObj.hasOwnProperty("maxFeePerGasLow") &&
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feesObj.hasOwnProperty("maxFeePerGasMedium") &&
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feesObj.hasOwnProperty("maxFeePerGasHigh"))) {
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print ("feesObj", JSON.stringify(feesObj))
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throw new Error("inappropriate fees object provided")
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}
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const BigOps = SQUtils.AmountsArithmetic
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if (!feesObj.eip1559Enabled && !!feesObj.gasPrice) {
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return feesObj.gasPrice
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}
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switch (root.selectedFeesMode) {
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case Constants.FeesMode.Low:
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return feesObj.maxFeePerGasLow
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case Constants.FeesMode.Medium:
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return feesObj.maxFeePerGasMedium
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case Constants.FeesMode.High:
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return feesObj.maxFeePerGasHigh
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default:
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throw new Error("unknown selected mode")
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}
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}
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function getEstimatedMaxFees() {
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// Note: Use the received fee arguments only once!
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// Complete what's missing with the suggested fees
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const BigOps = SQUtils.AmountsArithmetic
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const gasLimitStr = root.hexToDec(d.gasResponse)
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const gasLimit = BigOps.fromString(gasLimitStr)
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const maxFeesPerGas = BigOps.fromNumber(getFeesForFeesMode(d.feesResponse))
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const l1GasFee = d.feesResponse.l1GasFee ? BigOps.fromNumber(d.feesResponse.l1GasFee)
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: BigOps.fromNumber(0)
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let maxGasFee = BigOps.times(gasLimit, maxFeesPerGas).plus(l1GasFee)
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return maxGasFee
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}
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Component.onCompleted: {
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resetFees()
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}
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}
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} |