message: rpc: Use IsValidNumArgs in getblock
diff: @@ -824,9 +824,7 @@ static CBlock GetBlockChecked(const CBlockIndex* pblockindex)
  static UniValue getblock(const JSONRPCRequest& request)
  {
  - if (request.fHelp || request.params.size() < 1 || request.params.size() > 2)
  - throw std::runtime_error(
  - RPCHelpMan{"getblock",
  + const RPCHelpMan help{"getblock",
  "\nIf verbosity is 0, returns a string that is serialized, hex-encoded data for block 'hash'.\n"
  "If verbosity is 1, returns an Object with information about block <hash>.\n"
  "If verbosity is 2, returns an Object with information about block <hash> and information about each transaction. \n",
  @@ -878,7 +876,11 @@ static UniValue getblock(const JSONRPCRequest& request)
  HelpExampleCli("getblock", "\"00000000c937983704a73af28acdec37b049d214adbda81d7e2a3dd146f6ed09\"")
  + HelpExampleRpc("getblock", "\"00000000c937983704a73af28acdec37b049d214adbda81d7e2a3dd146f6ed09\"")
  },
  - }.ToString());
  + };
  +
  + if (request.fHelp || !help.IsValidNumArgs(request.params.size())) {
  + throw std::runtime_error(help.ToString());
  + }
  LOCK(cs_main);
  