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Adjust the behaviour of the current key mechanism to be more like what gui wallets really need.

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This commit is contained in:
Mike Hearn 2014-07-15 20:54:28 +02:00
parent 96ee76e506
commit a5e4d046df
2 changed files with 22 additions and 11 deletions
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24
core/src/main/java/com/google/bitcoin/wallet/KeyChainGroup.java
View File

@ -220,8 +220,12 @@ public class KeyChainGroup {
throw new UnsupportedOperationException("Key is not suitable to receive coins for married keychains." +
" Use freshAddress to get P2SH address instead");
}
final DeterministicKey current = currentKeys.get(purpose);
return current != null ? current : freshKey(purpose);
DeterministicKey current = currentKeys.get(purpose);
if (current == null) {
current = freshKey(purpose);
currentKeys.put(purpose, current);
}
return current;
}
/**
@ -231,7 +235,11 @@ public class KeyChainGroup {
DeterministicKeyChain chain = getActiveKeyChain();
if (isMarried(chain)) {
Address current = currentAddresses.get(purpose);
return current != null ? current : freshAddress(purpose);
if (current == null) {
current = freshAddress(purpose);
currentAddresses.put(purpose, current);
}
return current;
} else {
return currentKey(purpose).toAddress(params);
}
@ -271,10 +279,7 @@ public class KeyChainGroup {
throw new UnsupportedOperationException("Key is not suitable to receive coins for married keychains." +
" Use freshAddress to get P2SH address instead");
}
List<DeterministicKey> keys = chain.getKeys(purpose, numberOfKeys); // Always returns the next key along the key chain.
currentKeys.put(purpose, keys.get(keys.size() - 1));
return keys;
return chain.getKeys(purpose, numberOfKeys); // Always returns the next key along the key chain.
}
/**
@ -453,9 +458,10 @@ public class KeyChainGroup {
/** If the given key is "current", advance the current key to a new one. */
private void markKeyAsUsed(DeterministicKey key) {
for (Map.Entry<KeyChain.KeyPurpose, DeterministicKey> entry : currentKeys.entrySet()) {
if (entry.getValue().equals(key)) {
if (entry.getValue() != null && entry.getValue().equals(key)) {
log.info("Marking key as used: {}", key);
freshKey(entry.getKey());
currentKeys.put(entry.getKey(), null);
return;
}
}
}

9
core/src/test/java/com/google/bitcoin/wallet/KeyChainGroupTest.java
View File

@ -86,10 +86,15 @@ public class KeyChainGroupTest {
assertNotEquals(r1, r3);
ECKey c2 = group.freshKey(KeyChain.KeyPurpose.CHANGE);
assertNotEquals(r3, c2);
// Current key has not moved and will not under marked as used.
ECKey r4 = group.currentKey(KeyChain.KeyPurpose.RECEIVE_FUNDS);
assertEquals(r3, r4);
assertEquals(r2, r4);
ECKey c3 = group.currentKey(KeyChain.KeyPurpose.CHANGE);
assertEquals(c2, c3);
assertEquals(c1, c3);
// Mark as used. Current key is now different.
group.markPubKeyAsUsed(r4.getPubKey());
ECKey r5 = group.currentKey(KeyChain.KeyPurpose.RECEIVE_FUNDS);
assertNotEquals(r4, r5);
}
@Test