@Override
public Block getChainBlockByNumber(long number) {
if (number >= index.size()) {
return null;
}
List<BlockInfo> blockInfos = index.get((int) number);
for (BlockInfo blockInfo : blockInfos) {
if (blockInfo.isMainChain()) {
byte[] hash = blockInfo.getHash();
return blocks.get(hash);
}
}
return null;
}
public List<Block> getBlocksByNumber(long number) {
List<Block> result = new ArrayList<>();
if (number >= index.size()) {
return result;
}
List<BlockInfo> blockInfos = index.get((int) number);
for (BlockInfo blockInfo : blockInfos) {
byte[] hash = blockInfo.getHash();
Block block = blocks.get(hash);
result.add(block);
}
return result;
}
@Override
public boolean isBlockExist(byte[] hash) {
return blocks.get(hash) != null;
}
@Override
public Block getBlockByHash(byte[] hash) {
return blocks.get(hash);
}