ethminer/mix/qml/BlockChain.qml

import QtQuick 2.2
import QtQuick.Controls 1.1
import QtQuick.Controls.Styles 1.1
import QtQuick.Dialogs 1.1
import QtQuick.Layouts 1.1
import Qt.labs.settings 1.0
import org.ethereum.qml.QEther 1.0
import "js/Debugger.js" as Debugger
import "js/ErrorLocationFormater.js" as ErrorLocationFormater
import "js/TransactionHelper.js" as TransactionHelper
import "js/QEtherHelper.js" as QEtherHelper
import "."

ColumnLayout {
	id: blockChainPanel
	property variant model
	spacing: 0
	property int previousWidth
	property variant debugTrRequested: []
	signal chainChanged
	signal chainReloaded

	Connections
	{
		target: codeModel
		onContractRenamed: {
			rebuild.startBlinking()
		}
		onNewContractCompiled: {
			rebuild.startBlinking()
		}
	}

	onChainChanged: {
		rebuild.startBlinking()
	}

	onWidthChanged:
	{

		if (width <= 630 || previousWidth <= 630)
		{
			fromWidth = 100
			toWidth = 100
			valueWidth = 250
		}
		else
		{
			var diff = (width - previousWidth) / 3;
			fromWidth = fromWidth + diff < 100 ? 100 : fromWidth + diff
			toWidth = toWidth + diff < 100 ? 100 : toWidth + diff
			valueWidth = valueWidth + diff < 250 ? 250 : valueWidth + diff
		}
		previousWidth = width
	}

	function load(scenario)
	{
		if (!scenario)
			return;
		if (model)
			rebuild.startBlinking()
		model = scenario
		blockModel.clear()
		for (var b in model.blocks)
			blockModel.append(model.blocks[b])
		previousWidth = width
	}

	property int statusWidth: 50
	property int fromWidth: 100
	property int toWidth: 100
	property int valueWidth: 250
	property int logsWidth: 40
	property int debugActionWidth: 40
	property int horizontalMargin: 10
	property int cellSpacing: 10

	RowLayout
	{
		id: header
		spacing: 0
		Layout.preferredHeight: 40
		Image {
			id: debugImage
			source: "qrc:/qml/img/recycleicon@2x.png"
			Layout.preferredWidth: statusWidth
			Layout.preferredHeight: parent.height
			fillMode: Image.PreserveAspectFit
		}
		Rectangle
		{
			Layout.preferredWidth: fromWidth + cellSpacing
			Label
			{
				anchors.verticalCenter: parent.verticalCenter
				text: "From"
				anchors.left: parent.left
				anchors.leftMargin: horizontalMargin + 5
			}
		}
		Label
		{
			text: "To"
			Layout.preferredWidth: toWidth + cellSpacing
		}
		Label
		{
			text: "Value"
			Layout.preferredWidth: valueWidth + cellSpacing
		}
		Label
		{
			text: "Logs"
			Layout.preferredWidth: logsWidth + cellSpacing
		}
		Label
		{
			text: ""
			Layout.preferredWidth: debugActionWidth
		}
	}

	Rectangle
	{
		Layout.preferredHeight: 500
		Layout.preferredWidth: parent.width
		border.color: "#cccccc"
		border.width: 2
		color: "white"
		ScrollView
		{
			id: blockChainScrollView
			anchors.fill: parent
			anchors.topMargin: 10
			ColumnLayout
			{
				id: blockChainLayout
				width: parent.width
				spacing: 10

				Block
				{
					scenario: blockChainPanel.model
					Layout.preferredWidth: blockChainScrollView.width
					Layout.preferredHeight: 60
					blockIndex: -1
					transactions: []
					status: ""
					number: -2
					trHeight: 60
				}

				Repeater // List of blocks
				{
					id: blockChainRepeater
					model: blockModel
					Block
					{
						scenario: blockChainPanel.model
						Layout.preferredWidth: blockChainScrollView.width
						Layout.preferredHeight:
						{
							return calculateHeight()
						}
						blockIndex: index
						transactions:
						{
							if (index >= 0)
								return blockModel.get(index).transactions
							else
								return []
						}

						status:
						{
							if (index >= 0)
								return blockModel.get(index).status
							else
								return ""
						}

						number:
						{
							if (index >= 0)
								return blockModel.get(index).number
							else
								return 0
						}
					}
				}
			}
		}
	}

	ListModel
	{
		id: blockModel

		function appendBlock(block)
		{
			blockModel.append(block);
		}

		function appendTransaction(tr)
		{
			blockModel.get(blockModel.count - 1).transactions.append(tr)
		}

		function removeTransaction(blockIndex, trIndex)
		{
			blockModel.get(blockIndex).transactions.remove(trIndex)
		}

		function removeLastBlock()
		{
			blockModel.remove(blockModel.count - 1)
		}

		function removeBlock(index)
		{
			blockModel.remove(index)
		}

		function getTransaction(block, tr)
		{
			return blockModel.get(block).transactions.get(tr)
		}

		function setTransaction(blockIndex, trIndex, tr)
		{
			blockModel.get(blockIndex).transactions.set(trIndex, tr)
		}

		function setTransactionProperty(blockIndex, trIndex, propertyName, value)
		{
			blockModel.get(blockIndex).transactions.set(trIndex, { propertyName: value })
		}
	}

	Rectangle
	{
		Layout.preferredWidth: parent.width
		RowLayout
		{
			width: 4 * 100
			anchors.top: parent.top
			anchors.topMargin: 10
			spacing: 0
			ScenarioButton {
				id: rebuild
				text: qsTr("Rebuild")
				onClicked:
				{
					if (ensureNotFuturetime.running)
						return;
					stopBlinking()
					var retBlocks = [];
					var bAdded = 0;
					for (var j = 0; j < model.blocks.length; j++)
					{
						var b = model.blocks[j];
						var block = {
							hash: b.hash,
							number: b.number,
							transactions: [],
							status: b.status
						}
						for (var k = 0; k < model.blocks[j].transactions.length; k++)
						{
							if (blockModel.get(j).transactions.get(k).saveStatus)
							{
								var tr = model.blocks[j].transactions[k]
								tr.saveStatus = true
								block.transactions.push(tr);
							}

						}
						if (block.transactions.length > 0)
						{
							bAdded++
							block.number = bAdded
							block.status = "mined"
							retBlocks.push(block)
						}

					}
					if (retBlocks.length === 0)
						retBlocks.push(projectModel.stateListModel.createEmptyBlock())
					else
					{
						var last = retBlocks[retBlocks.length - 1]
						last.number = -1
						last.status = "pending"
					}

					model.blocks = retBlocks
					blockModel.clear()
					for (var j = 0; j < model.blocks.length; j++)
						blockModel.append(model.blocks[j])

					ensureNotFuturetime.start()
					clientModel.setupScenario(model);
				}

				Layout.preferredWidth: 100
				Layout.preferredHeight: 30
				buttonShortcut: ""
				sourceImg: "qrc:/qml/img/recycleicon@2x.png"


			}

			ScenarioButton {
				id: addTransaction
				text: qsTr("Add Transaction")
				onClicked:
				{
					var lastBlock = model.blocks[model.blocks.length - 1];
					if (lastBlock.status === "mined")
					{
						var newblock = projectModel.stateListModel.createEmptyBlock()
						blockModel.appendBlock(newblock)
						model.blocks.push(newblock);
					}

					var item = TransactionHelper.defaultTransaction()
					transactionDialog.stateAccounts = model.accounts
					transactionDialog.execute = true
					transactionDialog.open(model.blocks[model.blocks.length - 1].transactions.length, model.blocks.length - 1, item)
				}
				Layout.preferredWidth: 100
				Layout.preferredHeight: 30
				buttonShortcut: ""
				sourceImg: "qrc:/qml/img/sendtransactionicon@2x.png"
			}

			Timer
			{
				id: ensureNotFuturetime
				interval: 1000
				repeat: false
				running: false
			}

			ScenarioButton {
				id: addBlockBtn
				text: qsTr("Add Block")
				onClicked:
				{
					if (ensureNotFuturetime.running)
						return
					if (clientModel.mining || clientModel.running)
						return
					if (model.blocks.length > 0)
					{
						var lastBlock = model.blocks[model.blocks.length - 1]
						if (lastBlock.status === "pending")
						{
							ensureNotFuturetime.start()
							clientModel.mine()
						}
						else
							addNewBlock()
					}
					else
						addNewBlock()

				}

				function addNewBlock()
				{
					var block = projectModel.stateListModel.createEmptyBlock()
					model.blocks.push(block)
					blockModel.appendBlock(block)
				}
				Layout.preferredWidth: 100
				Layout.preferredHeight: 30
				buttonShortcut: ""
				sourceImg: "qrc:/qml/img/addblock@2x.png"
			}

			Connections
			{
				target: clientModel
				onNewBlock:
				{
					if (!clientModel.running)
					{
						var lastBlock = model.blocks[model.blocks.length - 1]
						lastBlock.status = "mined"
						lastBlock.number = model.blocks.length
						var lastB = blockModel.get(model.blocks.length - 1)
						lastB.status = "mined"
						lastB.number = model.blocks.length
						addBlockBtn.addNewBlock()
					}
				}
				onStateCleared:
				{
				}
				onNewRecord:
				{
					var blockIndex =  parseInt(_r.transactionIndex.split(":")[0]) - 1
					var trIndex = parseInt(_r.transactionIndex.split(":")[1])
					if (blockIndex <= model.blocks.length - 1)
					{
						var item = model.blocks[blockIndex]
						if (trIndex <= item.transactions.length - 1)
						{
							var tr = item.transactions[trIndex]
							tr.returned = _r.returned
							tr.recordIndex = _r.recordIndex
							tr.logs = _r.logs
							tr.sender = _r.sender
							var trModel = blockModel.getTransaction(blockIndex, trIndex)
							trModel.returned = _r.returned
							trModel.recordIndex = _r.recordIndex
							trModel.logs = _r.logs
							trModel.sender = _r.sender
							blockModel.setTransaction(blockIndex, trIndex, trModel)
							return;
						}
					}

					// tr is not in the list.
					var itemTr = TransactionHelper.defaultTransaction()
					itemTr.saveStatus = false
					itemTr.functionId = _r.function
					itemTr.contractId = _r.contract
					itemTr.gasAuto = true
					itemTr.parameters = _r.parameters
					itemTr.isContractCreation = itemTr.functionId === itemTr.contractId
					itemTr.label = _r.label
					itemTr.isFunctionCall = itemTr.functionId !== ""
					itemTr.returned = _r.returned
					itemTr.value = QEtherHelper.createEther(_r.value, QEther.Wei)
					itemTr.sender = _r.sender
					itemTr.recordIndex = _r.recordIndex
					itemTr.logs = _r.logs
					model.blocks[model.blocks.length - 1].transactions.push(itemTr)
					blockModel.appendTransaction(itemTr)
				}
				onMiningComplete:
				{
				}
			}

			ScenarioButton {
				id: newAccount
				text: qsTr("New Account")
				onClicked: {
					model.accounts.push(projectModel.stateListModel.newAccount("1000000", QEther.Ether))
				}
				Layout.preferredWidth: 100
				Layout.preferredHeight: 30
				buttonShortcut: ""
				sourceImg: "qrc:/qml/img/newaccounticon@2x.png"
			}
		}
	}

	TransactionDialog {
		id: transactionDialog
		property bool execute
		onAccepted: {
			var item = transactionDialog.getItem()
			if (execute)
			{
				var lastBlock = model.blocks[model.blocks.length - 1];
				if (lastBlock.status === "mined")
				{
					var newBlock = projectModel.stateListModel.createEmptyBlock();
					model.blocks.push(newBlock);
					blockModel.appendBlock(newBlock)
				}
				if (!clientModel.running)
					clientModel.executeTr(item)
			}
			else {
				model.blocks[blockIndex].transactions[transactionIndex] = item
				blockModel.setTransaction(blockIndex, transactionIndex, item)
				chainChanged()
			}

		}
	}
}