mirrors/bitcoinj
1
0
Fork 0
mirror of https://github.com/bitcoinj/bitcoinj.git synced 2025-03-13 11:36:15 +01:00
Code Issues Projects Releases Packages Wiki Activity

Merge 1bf0cb2749 into 1090649211

Browse source
This commit is contained in:
Sean Gilligan 2025-03-02 20:44:13 -06:00 • committed by GitHub
commit 74648b5124
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
1 changed files with 17 additions and 15 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

32
core/src/main/java/org/bitcoinj/core/BloomFilter.java
View file

@ -35,6 +35,7 @@ import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Objects;
import java.util.stream.IntStream;
import static java.lang.Math.E;
import static java.lang.Math.log;
@ -254,6 +255,8 @@ public class BloomFilter extends BaseMessage {
public synchronized void insert(byte[] object) {
for (int i = 0; i < hashFuncs; i++)
ByteUtils.setBitLE(data, murmurHash3(data, nTweak, i, object));
IntStream.range(0, (int) hashFuncs)
.forEach(i -> ByteUtils.setBitLE(data, murmurHash3(data, nTweak, i, object)));
}
/** Inserts the given key and equivalent hashed form (for the address). */
@ -299,10 +302,8 @@ public class BloomFilter extends BaseMessage {
* for when this can be a useful thing to do.
*/
public synchronized boolean matchesAll() {
for (byte b : data)
if (b != (byte) 0xff)
return false;
return true;
return IntStream.range(0, data.length)
.allMatch(i -> data[i] == (byte) 0xff);
}
/**
@ -327,7 +328,7 @@ public class BloomFilter extends BaseMessage {
* filtered block already has the matched transactions associated with it.
*/
public synchronized FilteredBlock applyAndUpdate(Block block) {
List<Transaction> txns = block.getTransactions();
List<Transaction> txns = Objects.requireNonNull(block.getTransactions());
List<Sha256Hash> txHashes = new ArrayList<>(txns.size());
List<Transaction> matched = new ArrayList<>();
byte[] bits = new byte[(int) Math.ceil(txns.size() / 8.0)];
@ -365,16 +366,17 @@ public class BloomFilter extends BaseMessage {
}
}
if (found) return true;
for (TransactionInput input : tx.getInputs()) {
if (contains(input.getOutpoint().serialize())) {
return true;
}
for (ScriptChunk chunk : input.getScriptSig().chunks()) {
if (chunk.isPushData() && contains(chunk.data))
return true;
}
}
return false;
return anyInputMatches(tx);
}
private boolean anyInputMatches(Transaction tx) {
return tx.getInputs().stream().anyMatch(this::inputMatches);
}
private boolean inputMatches(TransactionInput input) {
return contains(input.getOutpoint().serialize()) ||
input.getScriptSig().chunks().stream()
.anyMatch(c -> c.isPushData() && contains(c.data));
}
@Override