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zcash-android-wallet
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New: more precise birthday height support 

This is important because sync times are getting longer, every day. If users can see and input a more accurate birthday, then they will have dramatically improved sync times.
This commit is contained in:
Kevin Gorham 2020-08-01 02:48:20 -04:00
parent 8e5c87e301
commit c92cfaf07d
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GPG Key ID: CCA55602DF49FC38
1 changed files with 16 additions and 1 deletions
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17
app/src/main/java/cash/z/ecc/android/ui/setup/BackupFragment.kt
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@ -19,12 +19,15 @@ import cash.z.ecc.android.feedback.Report.Tap.BACKUP_DONE
import cash.z.ecc.android.feedback.Report.Tap.BACKUP_VERIFY
import cash.z.ecc.android.feedback.measure
import cash.z.ecc.android.lockbox.LockBox
import cash.z.ecc.android.sdk.ext.ZcashSdk
import cash.z.ecc.android.sdk.ext.twig
import cash.z.ecc.android.ui.base.BaseFragment
import cash.z.ecc.android.ui.setup.WalletSetupViewModel.LockBoxKey
import cash.z.ecc.android.ui.setup.WalletSetupViewModel.WalletSetupState.SEED_WITH_BACKUP
import cash.z.ecc.android.ui.util.AddressPartNumberSpan
import cash.z.ecc.kotlin.mnemonic.Mnemonics
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.flow.first
import kotlinx.coroutines.flow.launchIn
import kotlinx.coroutines.flow.onEach
import kotlinx.coroutines.launch
@ -82,10 +85,22 @@ class BackupFragment : BaseFragment<FragmentBackupBinding>() {
override fun onResume() {
super.onResume()
resumedScope.launch {
binding.textBirtdate.text = "Birthday Height: %,d".format(walletSetup.loadBirthdayHeight())
binding.textBirtdate.text = "Birthday Height: %,d".format(calculateBirthday())
}
}
private suspend fun calculateBirthday(): Int {
var storedBirthday: Int = 0
var oldestTransactionHeight:Int = 0
try {
storedBirthday = walletSetup.loadBirthdayHeight()
oldestTransactionHeight = mainActivity?.synchronizerComponent?.synchronizer()?.receivedTransactions?.first()?.last()?.minedHeight ?: 0
} catch (t: Throwable) {
twig("failed to calculate birthday due to: $t")
}
return maxOf(storedBirthday, oldestTransactionHeight, ZcashSdk.SAPLING_ACTIVATION_HEIGHT)
}
private fun onEnterWallet(showMessage: Boolean = !this.hasBackUp) {
if (showMessage) {
Toast.makeText(activity, "Backup verification coming soon!", Toast.LENGTH_LONG).show()