package project.blockchain;
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import java.util.HashSet;
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import java.util.Set;
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public class RechargeBlochainLock {
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private static final Set<String> filterRechargeBlochainLock = new HashSet<String>();
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public static boolean add(String partyId) {
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if (!filterRechargeBlochainLock.add(partyId)) {
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return false;
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} else {
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return true;
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}
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}
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public static void remove(String partyId) {
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filterRechargeBlochainLock.remove(partyId);
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}
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}
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