Sha256Hash nRootHash = getChainMerkleBranch().calculateMerkleRoot(hashAuxBlock); final byte[] vchRootHash = nRootHash.getBytes(); if (!getCoinbaseBranch().calculateMerkleRoot(getCoinbase().getHash()).equals(parentBlockHeader.getMerkleRoot())) { if (throwException) { throw new VerificationException("Aux POW merkle root incorrect");