fix le stuff for le v21

src/block_template.cpp

@@ -268,10 +268,6 @@ void BlockTemplate::update(const MinerData& data, const Mempool& mempool, Wallet
 
 	m_blockHeaderSize = m_blockHeader.size();
 
-	// Signature
-	uint8_t emptyByte = 0;
-	m_blockHeader.insert(m_blockHeader.end(), emptyByte, 64);
-
 	// Fill in m_txinGenHeight here so get_shares() can use it to calculate the correct PPLNS window
 	m_poolBlockTemplate->m_txinGenHeight = data.height; 
 

src/common.h

@@ -93,7 +93,7 @@ namespace p2pool {
 
 constexpr size_t HASH_SIZE = 32;
 constexpr uint8_t HARDFORK_VIEW_TAGS_VERSION = 20;
-constexpr uint8_t HARDFORK_SUPPORTED_VERSION = 20;
+constexpr uint8_t HARDFORK_SUPPORTED_VERSION = 21;
 constexpr uint16_t MINER_REWARD_UNLOCK_TIME = 288;
 constexpr uint8_t NONCE_SIZE = 4;
 constexpr uint8_t EXTRA_NONCE_SIZE = 4;