/**
* Called as part of connecting a block when the new block results in a different chain having
* higher total work.
*/
private void handleNewBestChain(StoredBlock newChainHead)
throws BlockStoreException, VerificationException {
// This chain has overtaken the one we currently believe is best. Reorganize is required.
//
// Firstly, calculate the block at which the chain diverged. We only need to examine the
// chain from beyond this block to find differences.
StoredBlock splitPoint = findSplit(newChainHead, chainHead);
log.info("Re-organize after split at height {}", splitPoint.getHeight());
log.info("Old chain head: {}", chainHead.getHeader().getHashAsString());
log.info("New chain head: {}", newChainHead.getHeader().getHashAsString());
log.info("Split at block: {}", splitPoint.getHeader().getHashAsString());
// Then build a list of all blocks in the old part of the chain and the new part.
List<StoredBlock> oldBlocks = getPartialChain(chainHead, splitPoint);
List<StoredBlock> newBlocks = getPartialChain(newChainHead, splitPoint);
// Now inform the wallet. This is necessary so the set of currently active transactions (that we
// can spend)
// can be updated to take into account the re-organize. We might also have received new coins we
// didn't have
// before and our previous spends might have been undone.
wallet.reorganize(oldBlocks, newBlocks);
// Update the pointer to the best known block.
setChainHead(newChainHead);
}
