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Guard BasicKeyChain.importKey*() against accidently importing the same key twice, potentially losing a private key.

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This commit is contained in:
Andreas Schildbach 2014-12-11 21:40:16 +01:00
parent e5bc481743
commit eb24bafdbc
1 changed files with 2 additions and 1 deletions
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core/src/main/java/org/bitcoinj/wallet/BasicKeyChain.java
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@ -167,8 +167,9 @@ public class BasicKeyChain implements EncryptableKeyChain {
} }
private void importKeyLocked(ECKey key) { private void importKeyLocked(ECKey key) {
pubkeyToKeys.put(ByteString.copyFrom(key.getPubKey()), key); ECKey previousKey = pubkeyToKeys.put(ByteString.copyFrom(key.getPubKey()), key);
hashToKeys.put(ByteString.copyFrom(key.getPubKeyHash()), key); hashToKeys.put(ByteString.copyFrom(key.getPubKeyHash()), key);
checkState(previousKey == null);
} }
private void importKeysLocked(List<ECKey> keys) { private void importKeysLocked(List<ECKey> keys) {