@Override
public void verifyDifficultyTransitions(
StoredBlock prevBlock, Block added, NetworkParameters params) {
int diffMode = 1;
final int heightInc = prevBlock.getHeight() + 1;
if (CoinDefinition.TEST_NETWORK_STANDARD.equals(params.getStandardNetworkId())) {
if (heightInc >= 2000) {
diffMode = 4;
}
} else {
if (heightInc >= 68589) {
diffMode = 4;
} else if (heightInc >= 34140) {
diffMode = 3;
} else if (heightInc >= 15200) {
diffMode = 2;
}
}
try {
switch (diffMode) {
case 4:
darkGravityWave3Check(
prevBlock, added, linearExtension.getBlockChain().getBlockStore(), params);
return;
case 1:
linearExtension.verifyDifficultyTransitions(prevBlock, added, params);
return;
case 2:
kimotoGravityWellCheck(
prevBlock, added, linearExtension.getBlockChain().getBlockStore(), params);
return;
case 3:
darkGravityWaveCheck(
prevBlock, added, linearExtension.getBlockChain().getBlockStore(), params);
return;
default:
throw new RuntimeException("Unreachable");
}
} catch (BlockStoreException ex) {
throw new VerificationException(
"Block store exception during difficulty transitions check", ex);
}
}
