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Added check of parsed difficulty bits.

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Corrected difficult retarget interval.
This commit is contained in:
Ross Nicoll 2015-10-16 19:18:15 +01:00
parent 0fe4ac43ba
commit 805b78f060
2 changed files with 4 additions and 3 deletions
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6
src/main/java/org/libdohj/params/AbstractDogecoinParams.java
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@ -173,8 +173,8 @@ public abstract class AbstractDogecoinParams extends NetworkParameters implement
final int previousHeight = storedPrev.getHeight(); final int previousHeight = storedPrev.getHeight();
final boolean digishieldAlgorithm = previousHeight + 1 >= this.getDigishieldBlockHeight(); final boolean digishieldAlgorithm = previousHeight + 1 >= this.getDigishieldBlockHeight();
final int retargetInterval = digishieldAlgorithm final int retargetInterval = digishieldAlgorithm
? this.getInterval() ? this.getNewInterval()
: this.getNewInterval(); : this.getInterval();
// Is this supposed to be a difficulty transition point? // Is this supposed to be a difficulty transition point?
if ((storedPrev.getHeight() + 1) % retargetInterval != 0) { if ((storedPrev.getHeight() + 1) % retargetInterval != 0) {
@ -226,7 +226,7 @@ public abstract class AbstractDogecoinParams extends NetworkParameters implement
* @param lastRetargetTime Time of the last difficulty retarget. * @param lastRetargetTime Time of the last difficulty retarget.
* @return New difficulty target as compact bytes. * @return New difficulty target as compact bytes.
*/ */
protected long getNewDifficultyTarget(int previousHeight, long previousBlockTime, public long getNewDifficultyTarget(int previousHeight, long previousBlockTime,
final long lastDifficultyTarget, final long lastRetargetTime) { final long lastDifficultyTarget, final long lastRetargetTime) {
final int height = previousHeight + 1; final int height = previousHeight + 1;
final boolean digishieldAlgorithm = height >= this.getDigishieldBlockHeight(); final boolean digishieldAlgorithm = height >= this.getDigishieldBlockHeight();

1
src/test/java/org/bitcoinj/core/DogecoinBlockTest.java
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@ -54,6 +54,7 @@ public class DogecoinBlockTest {
final AltcoinBlock block = (AltcoinBlock)serializer.makeBlock(payload); final AltcoinBlock block = (AltcoinBlock)serializer.makeBlock(payload);
assertEquals("82bc68038f6034c0596b6e313729793a887fded6e92a31fbdf70863f89d9bea2", block.getHashAsString()); assertEquals("82bc68038f6034c0596b6e313729793a887fded6e92a31fbdf70863f89d9bea2", block.getHashAsString());
assertEquals(1, block.getTransactions().size()); assertEquals(1, block.getTransactions().size());
assertEquals(0x1e0ffff0L, block.getDifficultyTarget());
} }
/** /**