tangem-app-android-audited/app/src/tangemAccess/java/com/tangem/ui/ConfirmTransactionFragment.kt
2020-06-16 19:30:38 +03:00

305 lines
No EOL
13 KiB
Kotlin

package com.tangem.ui
import android.app.Activity
import android.content.SharedPreferences
import android.nfc.NfcAdapter
import android.nfc.Tag
import android.os.Build
import android.os.Bundle
import android.preference.PreferenceManager
import android.text.Editable
import android.text.Html
import android.text.TextWatcher
import android.util.Log
import android.view.View
import android.widget.Toast
import androidx.activity.OnBackPressedCallback
import androidx.core.os.bundleOf
import com.tangem.Constant
import com.tangem.data.Blockchain
import com.tangem.tangem_card.data.TangemCard
import com.tangem.tangem_sdk.data.EXTRA_TANGEM_CARD
import com.tangem.tangem_sdk.data.EXTRA_TANGEM_CARD_UID
import com.tangem.tangem_sdk.data.loadFromBundle
import com.tangem.ui.activity.MainActivity
import com.tangem.ui.fragment.BaseFragment
import com.tangem.ui.fragment.pin.PinRequestFragment
import com.tangem.ui.navigation.NavigationResultListener
import com.tangem.util.UtilHelper
import com.tangem.wallet.CoinEngine
import com.tangem.wallet.CoinEngineFactory
import com.tangem.wallet.R
import com.tangem.wallet.TangemContext
import kotlinx.android.synthetic.tangemAccess.fragment_confirm_transaction.*
import java.io.IOException
import java.util.*
class ConfirmTransactionFragment : BaseFragment(), NavigationResultListener, NfcAdapter.ReaderCallback {
override val layoutId = R.layout.fragment_confirm_transaction
private lateinit var sp: SharedPreferences
private lateinit var ctx: TangemContext
private lateinit var amount: CoinEngine.Amount
private var isIncludeFee: Boolean = true
private var requestPIN2Count = 0
private var nodeCheck = true
private var dtVerified: Date? = null
private var blockchainCallbacks: CoinEngine.BlockchainRequestsCallbacks? = null
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
sp = PreferenceManager.getDefaultSharedPreferences(context)
ctx = TangemContext.loadFromBundle(requireContext(), arguments)
val callback = object : OnBackPressedCallback(true) {
override fun handleOnBackPressed() {
navigateUp()
}
}
requireActivity().onBackPressedDispatcher.addCallback(this, callback)
}
override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
super.onViewCreated(view, savedInstanceState)
val engine = CoinEngineFactory.create(ctx)
@Suppress("DEPRECATION") val html = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N)
Html.fromHtml(engine!!.balanceHTML, Html.FROM_HTML_MODE_LEGACY)
else
Html.fromHtml(engine!!.balanceHTML)
tvBalance.text = html
isIncludeFee = arguments?.getBoolean(Constant.EXTRA_FEE_INCLUDED, true) ?: true
if (isIncludeFee)
tvIncFee.setText(R.string.confirm_transaction_including_fee)
else
tvIncFee.setText(R.string.confirm_transaction_not_including_fee)
amount = CoinEngine.Amount(arguments?.getString(Constant.EXTRA_AMOUNT) ?: "0",
arguments?.getString(Constant.EXTRA_AMOUNT_CURRENCY) ?: "")
if (engine.allowSelectFeeInclusion())
tvIncFee.visibility = View.VISIBLE
else
tvIncFee.visibility = View.INVISIBLE
if (ctx.card.blockchainID == Blockchain.Token.id) {
// for Blockchain.Token limit decimals
etAmount.setText(amount.toValueString(ctx.card.tokensDecimal))
} else {
// for others
etAmount.setText(amount.toValueString())
}
tvCurrency.text = engine.balanceCurrency
tvCurrency2.text = engine.feeCurrency
tvCardID.text = ctx.card.cidDescription
etWallet.setText(arguments?.getString(Constant.EXTRA_TARGET_ADDRESS))
btnSend.visibility = View.INVISIBLE
if (!engine.allowSelectFeeLevel()) {
rgFee.visibility = View.INVISIBLE
}
etFee.isEnabled = sp.getBoolean(getString(R.string.pref_manual_editing_fee), false)
// set listeners
rgFee.setOnCheckedChangeListener { _, checkedId -> doSetFee(checkedId) }
etFee.addTextChangedListener(object : TextWatcher {
override fun beforeTextChanged(s: CharSequence, start: Int, count: Int, after: Int) {
}
override fun onTextChanged(s: CharSequence, start: Int, before: Int, count: Int) {
try {
val eqFee = engine.evaluateFeeEquivalent(etFee!!.text.toString())
tvFeeEquivalent.text = eqFee
if (!ctx.coinData!!.amountEquivalentDescriptionAvailable) {
tvFeeEquivalent.error = getString(R.string.confirm_transaction_error_service_unavailable)
tvCurrency2.visibility = View.GONE
tvFeeEquivalent.visibility = View.GONE
} else
tvFeeEquivalent.error = null
if (sp.getBoolean(getString(R.string.pref_manual_editing_fee), false))
(activity as MainActivity).toastHelper
.showSingleToast(context, getString(R.string.confirm_transaction_warning_risk_delaying))
} catch (e: Exception) {
e.printStackTrace()
tvFeeEquivalent.text = ""
}
}
override fun afterTextChanged(s: Editable) {
}
})
btnSend.setOnClickListener {
if (UtilHelper.isOnline(requireContext())) {
val calendar = Calendar.getInstance()
calendar.add(Calendar.MINUTE, -1)
if (dtVerified == null || dtVerified!!.before(calendar.time)) {
finishWithError(Activity.RESULT_CANCELED, getString(R.string.confirm_transaction_error_data_is_outdated))
return@setOnClickListener
}
val engineCoin = CoinEngineFactory.create(ctx)
if (engineCoin!!.isNeedCheckNode && !nodeCheck) {
Toast.makeText(context, getString(R.string.confirm_transaction_error_cannot_reach_node), Toast.LENGTH_LONG).show()
return@setOnClickListener
}
val txFee = engineCoin.convertToAmount(etFee.text.toString(), tvCurrency2.text.toString())
val txAmount = engineCoin.convertToAmount(etAmount.text.toString(), tvCurrency.text.toString())
if (!engineCoin.hasBalanceInfo()) {
finishWithError(Activity.RESULT_CANCELED, getString(R.string.confirm_transaction_error_cannot_check_balance))
return@setOnClickListener
} else if (!engineCoin.isBalanceNotZero) {
finishWithError(Activity.RESULT_CANCELED, getString(R.string.general_wallet_empty))
return@setOnClickListener
} else if (!engineCoin.isExtractPossible) {
finishWithError(Activity.RESULT_CANCELED, getString(R.string.confirm_transaction_error_incoming_transaction_unconfirmed))
return@setOnClickListener
}
if (!engineCoin.checkNewTransactionAmountAndFee(txAmount, txFee, isIncludeFee)) {
finishWithError(Activity.RESULT_CANCELED, getString(R.string.prepare_transaction_error_not_enough_funds))
return@setOnClickListener
}
requestPIN2Count = 0
val data = Bundle()
data.putString(Constant.EXTRA_MODE, PinRequestFragment.Mode.RequestPIN2.toString())
ctx.saveToBundle(data)
data.putBoolean(Constant.EXTRA_FEE_INCLUDED, isIncludeFee)
navigateForResult(Constant.REQUEST_CODE_REQUEST_PIN2_, R.id.action_confirmTransactionFragment_to_pinRequestFragment, data)
} else
Toast.makeText(context, getString(R.string.general_error_no_connection), Toast.LENGTH_SHORT).show()
}
progressBar.visibility = View.VISIBLE
if (!navigatedBack) requestFee()
}
private fun requestFee() {
val coinEngine = CoinEngineFactory.create(ctx)
coinEngine!!.requestFee(
object : CoinEngine.BlockchainRequestsCallbacks {
override fun onComplete(success: Boolean) {
if (success) {
progressBar?.visibility = View.INVISIBLE
dtVerified = Date()
doSetFee(rgFee?.checkedRadioButtonId ?: R.id.rbNormalFee)
} else {
finishWithError(Activity.RESULT_CANCELED, ctx.error)
}
}
override fun onProgress() {
}
override fun allowAdvance(): Boolean {
return UtilHelper.isOnline(requireContext())
}
},
etWallet.text.toString(),
amount)
}
override fun onNavigationResult(requestCode: String, resultCode: Int, data: Bundle?) {
Log.d("LIFECYCLE", "NavigationResult assessed ${this::class.java.simpleName}")
if (requestCode == Constant.REQUEST_CODE_SIGN_TRANSACTION) {
if (data != null) {
if (data.containsKey(EXTRA_TANGEM_CARD_UID) && data.containsKey(EXTRA_TANGEM_CARD)) {
val updatedCard = TangemCard(data.getString(EXTRA_TANGEM_CARD_UID))
updatedCard.loadFromBundle(data.getBundle(EXTRA_TANGEM_CARD))
ctx.card = updatedCard
}
}
if (resultCode == Constant.RESULT_INVALID_PIN_ && requestPIN2Count < 2) {
requestPIN2Count++
val bundle = Bundle()
bundle.putString(Constant.EXTRA_MODE, PinRequestFragment.Mode.RequestPIN2.toString())
ctx.saveToBundle(bundle)
bundle.putBoolean(Constant.EXTRA_FEE_INCLUDED, isIncludeFee)
navigateForResult(Constant.REQUEST_CODE_REQUEST_PIN2_,
R.id.action_confirmTransactionFragment_to_pinRequestFragment,
bundle)
return
}
navigateBackWithResult(resultCode, data)
} else if (requestCode == Constant.REQUEST_CODE_REQUEST_PIN2_) {
if (resultCode == Activity.RESULT_OK) {
val bundle = Bundle()
ctx.saveToBundle(bundle)
bundle.putString(Constant.EXTRA_TARGET_ADDRESS, etWallet!!.text.toString())
bundle.putString(Constant.EXTRA_AMOUNT, etAmount.text.toString())
bundle.putString(Constant.EXTRA_AMOUNT_CURRENCY, tvCurrency.text.toString())
bundle.putString(Constant.EXTRA_FEE, etFee.text.toString())
bundle.putString(Constant.EXTRA_FEE_CURRENCY, tvCurrency2.text.toString())
bundle.putBoolean(Constant.EXTRA_FEE_INCLUDED, isIncludeFee)
navigateForResult(Constant.REQUEST_CODE_SIGN_TRANSACTION,
R.id.action_confirmTransactionFragment_to_signTransactionFragment,
bundle)
} else
Toast.makeText(context, R.string.confirm_transaction_error_pin_2_is_required, Toast.LENGTH_LONG).show()
}
}
override fun onTagDiscovered(tag: Tag) {
try {
(activity as MainActivity).nfcManager.ignoreTag(tag)
} catch (e: IOException) {
e.printStackTrace()
}
}
private fun doSetFee(checkedRadioButtonId: Int) {
var txtFee = ""
when (checkedRadioButtonId) {
R.id.rbMinimalFee ->
if (ctx.coinData.minFee != null) {
txtFee = ctx.coinData.minFee!!.toValueString()
btnSend?.visibility = View.VISIBLE
} else
btnSend?.visibility = View.INVISIBLE
R.id.rbNormalFee ->
if (ctx.coinData.normalFee != null) {
txtFee = ctx.coinData.normalFee!!.toValueString()
btnSend?.visibility = View.VISIBLE
} else
btnSend?.visibility = View.INVISIBLE
R.id.rbMaximumFee ->
if (ctx.coinData.maxFee != null) {
txtFee = ctx.coinData.maxFee!!.toValueString()
btnSend?.visibility = View.VISIBLE
} else
btnSend?.visibility = View.INVISIBLE
}
etFee?.setText(txtFee.replace(',', '.'))
}
private fun finishWithError(errorCode: Int, message: String) {
navigateBackWithResult(
errorCode,
bundleOf(Constant.EXTRA_MESSAGE to message),
R.id.loadedWalletFragment)
}
}