doc: replace remaining "520" magic nums with MAX_SCRIPT_ELEMENT_SIZE

src/net_processing.cpp

@@ -5205,7 +5205,7 @@ void PeerManagerImpl::ProcessMessage(CNode& pfrom, const std::string& msg_type,
  std::vector<unsigned char> vData;
  vRecv >> vData;
 
- // Nodes must NEVER send a data item > 520 bytes (the max size for a script data object,
+ // Nodes must NEVER send a data item > MAX_SCRIPT_ELEMENT_SIZE bytes (the max size for a script data object,
  // and thus, the maximum size any matched object can have) in a filteradd message
  bool bad = false;
  if (vData.size() > MAX_SCRIPT_ELEMENT_SIZE) {

src/outputtype.cpp

@@ -85,7 +85,7 @@ CTxDestination AddAndGetDestinationForScript(FillableSigningProvider& keystore,
 {
  // Add script to keystore
  keystore.AddCScript(script);
- // Note that scripts over 520 bytes are not yet supported.
+ // Note that scripts over MAX_SCRIPT_ELEMENT_SIZE bytes are not yet supported.
  switch (type) {
  case OutputType::LEGACY:
  return ScriptHash(script);

src/policy/policy.cpp

@@ -111,7 +111,7 @@ bool IsStandardTx(const CTransaction& tx, const std::optional<unsigned>& max_dat
  for (const CTxIn& txin : tx.vin)
  {
  // Biggest 'standard' txin involving only keys is a 15-of-15 P2SH
- // multisig with compressed keys (remember the 520 byte limit on
+ // multisig with compressed keys (remember the MAX_SCRIPT_ELEMENT_SIZE byte limit on
  // redeemScript size). That works out to a (15*(33+1))+3=513 byte
  // redeemScript, 513+1+15*(73+1)+3=1627 bytes of scriptSig, which
  // we round off to 1650(MAX_STANDARD_SCRIPTSIG_SIZE) bytes for

test/functional/p2p_segwit.py

@@ -1054,7 +1054,7 @@ def test_extra_witness_data(self):
 
  @subtest
  def test_max_witness_push_length(self):
- """Test that witness stack can only allow up to 520 byte pushes."""
+ """Test that witness stack can only allow up to MAX_SCRIPT_ELEMENT_SIZE byte pushes."""
 
  block = self.build_next_block()