Create method to initiate the first step required to send a transaction from the wallet, which is building a Graphenej's transaction object and request the DynamicGlobalProperties.
This commit is contained in:
Severiano Jaramillo
parent
53479f8837
commit
00df51e9f9
2 changed files with 91 additions and 25 deletions
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@ -19,32 +19,41 @@ import androidx.core.content.ContextCompat
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import androidx.fragment.app.Fragment
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import androidx.lifecycle.Observer
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import androidx.lifecycle.ViewModelProviders
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import com.google.common.primitives.UnsignedLong
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import com.google.zxing.BarcodeFormat
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import com.google.zxing.Result
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import com.jakewharton.rxbinding2.widget.RxTextView
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import cy.agorise.bitsybitshareswallet.R
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import cy.agorise.bitsybitshareswallet.adapters.AssetsAdapter
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import cy.agorise.bitsybitshareswallet.database.joins.BalanceDetail
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import cy.agorise.bitsybitshareswallet.repositories.AuthorityRepository
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import cy.agorise.bitsybitshareswallet.utils.Constants
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import cy.agorise.bitsybitshareswallet.utils.CryptoUtils
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import cy.agorise.bitsybitshareswallet.viewmodels.BalanceDetailViewModel
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import cy.agorise.graphenej.Invoice
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import cy.agorise.graphenej.UserAccount
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import cy.agorise.graphenej.*
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import cy.agorise.graphenej.api.ConnectionStatusUpdate
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import cy.agorise.graphenej.api.android.NetworkService
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import cy.agorise.graphenej.api.android.RxBus
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import cy.agorise.graphenej.api.calls.GetAccountByName
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import cy.agorise.graphenej.api.calls.GetDynamicGlobalProperties
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import cy.agorise.graphenej.models.AccountProperties
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import cy.agorise.graphenej.models.DynamicGlobalProperties
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import cy.agorise.graphenej.models.JsonRpcResponse
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import cy.agorise.graphenej.operations.TransferOperationBuilder
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import io.reactivex.android.schedulers.AndroidSchedulers
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import io.reactivex.disposables.CompositeDisposable
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import io.reactivex.schedulers.Schedulers
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import kotlinx.android.synthetic.main.fragment_send_transaction.*
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import me.dm7.barcodescanner.zxing.ZXingScannerView
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import org.bitcoinj.core.DumpedPrivateKey
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import org.bitcoinj.core.ECKey
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import java.math.RoundingMode
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import java.text.DecimalFormat
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import java.text.DecimalFormatSymbols
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import java.util.ArrayList
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import java.util.Locale
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import java.util.concurrent.TimeUnit
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import javax.crypto.AEADBadTagException
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class SendTransactionFragment : Fragment(), ZXingScannerView.ResultHandler, ServiceConnection {
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private val TAG = this.javaClass.simpleName
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@ -53,6 +62,7 @@ class SendTransactionFragment : Fragment(), ZXingScannerView.ResultHandler, Serv
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private val REQUEST_CAMERA_PERMISSION = 1
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private val RESPONSE_GET_ACCOUNT_BY_NAME = 1
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private val RESPOSE_GET_DYNAMIC_GLOBAL_PARAMETERS = 2
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private var isCameraPreviewVisible = false
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private var isToAccountCorrect = false
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@ -83,6 +93,14 @@ class SendTransactionFragment : Fragment(), ZXingScannerView.ResultHandler, Serv
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// Map used to keep track of request and response id pairs
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private val responseMap = HashMap<Long, Int>()
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private var transaction: Transaction? = null
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/** Variable holding the current user's private key in the WIF format */
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private var wifKey: String? = null
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/** Repository to access and update Authorities */
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private var authorityRepository: AuthorityRepository? = null
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override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
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return inflater.inflate(R.layout.fragment_send_transaction, container, false)
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}
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@ -131,9 +149,23 @@ class SendTransactionFragment : Fragment(), ZXingScannerView.ResultHandler, Serv
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}
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}
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fabSendTransaction.setOnClickListener { validateFields() }
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fabSendTransaction.setOnClickListener { startSendTransferOperation() }
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fabSendTransaction.hide()
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authorityRepository = AuthorityRepository(context!!)
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mDisposables.add(authorityRepository!!.getWIF(userId!!, AuthorityType.ACTIVE.ordinal)
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.subscribeOn(Schedulers.computation())
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.observeOn(AndroidSchedulers.mainThread())
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.subscribe { encryptedWIF ->
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try {
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wifKey = CryptoUtils.decrypt(context!!, encryptedWIF)
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} catch (e: AEADBadTagException) {
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Log.e(TAG, "AEADBadTagException. Class: " + e.javaClass + ", Msg: " + e.message)
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}
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})
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// Use RxJava Debounce to avoid making calls to the NetworkService on every text change event
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mDisposables.add(RxTextView.textChanges(tietTo)
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.debounce(500, TimeUnit.MILLISECONDS)
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@ -145,6 +177,7 @@ class SendTransactionFragment : Fragment(), ZXingScannerView.ResultHandler, Serv
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}
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)
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// Use RxJava Debounce to update the Amount error only after the user stops writing for > 500 ms
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mDisposables.add(RxTextView.textChanges(tietAmount)
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.debounce(500, TimeUnit.MILLISECONDS)
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.filter { it.isNotEmpty() }
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@ -153,29 +186,33 @@ class SendTransactionFragment : Fragment(), ZXingScannerView.ResultHandler, Serv
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.subscribe { validateAmount(it!!) }
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)
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// Connect to the RxBus, which receives events from the NetworkService
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mDisposables.add(RxBus.getBusInstance()
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.asFlowable()
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.observeOn(AndroidSchedulers.mainThread())
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.subscribe { message ->
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if (message is JsonRpcResponse<*>) {
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if (responseMap.containsKey(message.id)) {
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val responseType = responseMap[message.id]
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when (responseType) {
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RESPONSE_GET_ACCOUNT_BY_NAME -> handleAccountName(message.result)
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}
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responseMap.remove(message.id)
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}
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} else if (message is ConnectionStatusUpdate) {
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if (message.updateCode == ConnectionStatusUpdate.DISCONNECTED) {
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// If we got a disconnection notification, we should clear our response map, since
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// all its stored request ids will now be reset
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responseMap.clear()
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}
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}
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}
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.subscribe { handleIncomingMessage(it) }
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)
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}
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private fun handleIncomingMessage(message: Any?) {
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if (message is JsonRpcResponse<*>) {
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if (responseMap.containsKey(message.id)) {
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val responseType = responseMap[message.id]
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when (responseType) {
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RESPONSE_GET_ACCOUNT_BY_NAME -> handleAccountName(message.result)
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RESPOSE_GET_DYNAMIC_GLOBAL_PARAMETERS -> handleDynamicGlobalProperties(message.result)
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}
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responseMap.remove(message.id)
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}
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} else if (message is ConnectionStatusUpdate) {
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if (message.updateCode == ConnectionStatusUpdate.DISCONNECTED) {
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// If we got a disconnection notification, we should clear our response map, since
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// all its stored request ids will now be reset
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responseMap.clear()
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}
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}
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}
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private fun handleAccountName(result: Any?) {
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if (result is AccountProperties) {
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mSelectedUserAccount = UserAccount(result.id, result.name)
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@ -190,6 +227,15 @@ class SendTransactionFragment : Fragment(), ZXingScannerView.ResultHandler, Serv
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enableDisableSendFAB()
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}
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private fun handleDynamicGlobalProperties(result: Any?) {
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if (result is DynamicGlobalProperties) {
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Log.d(TAG, "DynamicGlobalProperties: " + result.toString())
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} else {
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// TODO unableToSendTransactionError()
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}
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}
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private fun verifyCameraPermission() {
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if (ContextCompat.checkSelfPermission(activity!!, Manifest.permission.CAMERA)
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!= PackageManager.PERMISSION_GRANTED) {
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@ -290,10 +336,30 @@ class SendTransactionFragment : Fragment(), ZXingScannerView.ResultHandler, Serv
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fabSendTransaction.hide()
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}
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private fun validateFields() {
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// Create TransferOperation
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val builder = TransferOperationBuilder()
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builder.setSource(mUserAccount)
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private fun startSendTransferOperation() {
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// Create TransferOperation
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if (mNetworkService!!.isConnected) {
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val balance = mAssetsAdapter!!.getItem(spAsset.selectedItemPosition)!!
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val amount = (tietAmount.text.toString().toDouble() * Math.pow(10.0, balance.precision.toDouble())).toLong()
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val transferAmount = AssetAmount(UnsignedLong.valueOf(amount), Asset(balance.id))
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val operationBuilder = TransferOperationBuilder()
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.setSource(mUserAccount)
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.setDestination(mSelectedUserAccount)
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.setTransferAmount(transferAmount)
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val operations = ArrayList<BaseOperation>()
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operations.add(operationBuilder.build())
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val privateKey = ECKey.fromPrivate(DumpedPrivateKey.fromBase58(null, wifKey).key.privKeyBytes)
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transaction = Transaction(privateKey, null, operations)
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val id = mNetworkService!!.sendMessage(GetDynamicGlobalProperties(),
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GetDynamicGlobalProperties.REQUIRED_API)
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responseMap[id] = RESPOSE_GET_DYNAMIC_GLOBAL_PARAMETERS
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} else
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Log.d(TAG, "Network Service is not connected")
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}
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override fun onResume() {
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@ -72,7 +72,7 @@ class TransfersLoader(private var mContext: Context?, private val mLifeCycle: Li
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/** Repository to access and update Transfers */
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private var transferRepository: TransferRepository? = null
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/** Repository to access and update Transfers */
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/** Repository to access and update Authorities */
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private var authorityRepository: AuthorityRepository? = null
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/* Network service connection */
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