kopia lustrzana https://github.com/ryukoposting/Signal-Android
70 wiersze
2.6 KiB
Java
70 wiersze
2.6 KiB
Java
package org.thoughtcrime.securesms.payments;
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import androidx.annotation.NonNull;
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import androidx.annotation.WorkerThread;
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import org.signal.core.util.logging.Log;
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import org.thoughtcrime.securesms.dependencies.ApplicationDependencies;
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import org.thoughtcrime.securesms.keyvalue.SignalStore;
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import org.thoughtcrime.securesms.payments.currency.CurrencyExchange;
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import org.whispersystems.signalservice.api.payments.CurrencyConversion;
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import org.whispersystems.signalservice.api.payments.CurrencyConversions;
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import java.io.IOException;
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import java.util.Objects;
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import java.util.concurrent.TimeUnit;
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public final class Payments {
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private static final String TAG = Log.tag(Payments.class);
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private static final long MINIMUM_ELAPSED_TIME_BETWEEN_REFRESH = TimeUnit.MINUTES.toMillis(1);
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private final MobileCoinConfig mobileCoinConfig;
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private Wallet wallet;
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private CurrencyConversions currencyConversions;
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public Payments(@NonNull MobileCoinConfig mobileCoinConfig) {
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this.mobileCoinConfig = mobileCoinConfig;
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}
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public synchronized Wallet getWallet() {
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if (wallet != null) {
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return wallet;
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}
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Entropy paymentsEntropy = SignalStore.paymentsValues().getPaymentsEntropy();
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wallet = new Wallet(mobileCoinConfig, Objects.requireNonNull(paymentsEntropy));
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return wallet;
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}
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public synchronized void closeWallet() {
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wallet = null;
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}
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@WorkerThread
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public synchronized @NonNull CurrencyExchange getCurrencyExchange(boolean refreshIfAble) throws IOException {
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if (currencyConversions == null || shouldRefresh(refreshIfAble, currencyConversions.getTimestamp())) {
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Log.i(TAG, "Currency conversion data is unavailable or a refresh was requested and available");
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CurrencyConversions newCurrencyConversions = ApplicationDependencies.getSignalServiceAccountManager().getCurrencyConversions();
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if (currencyConversions == null || (newCurrencyConversions != null && newCurrencyConversions.getTimestamp() > currencyConversions.getTimestamp())) {
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currencyConversions = newCurrencyConversions;
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}
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}
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if (currencyConversions != null) {
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for (CurrencyConversion currencyConversion : currencyConversions.getCurrencies()) {
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if ("MOB".equals(currencyConversion.getBase())) {
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return new CurrencyExchange(currencyConversion.getConversions(), currencyConversions.getTimestamp());
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}
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}
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}
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throw new IOException("Unable to retrieve currency conversions");
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}
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private boolean shouldRefresh(boolean refreshIfAble, long lastRefreshTime) {
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return refreshIfAble && System.currentTimeMillis() - lastRefreshTime >= MINIMUM_ELAPSED_TIME_BETWEEN_REFRESH;
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}
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}
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