message: rpc: allow getblocktemplate for test chains when unconnected or in IBD
diff: @@ -659,11 +659,15 @@ static RPCHelpMan getblocktemplate()
  if(!node.connman)
  throw JSONRPCError(RPC_CLIENT_P2P_DISABLED, "Error: Peer-to-peer functionality missing or disabled");
  - if (node.connman->GetNodeCount(CConnman::CONNECTIONS_ALL) == 0)
  + if (!Params().IsTestChain()) {
  + if (node.connman->GetNodeCount(CConnman::CONNECTIONS_ALL) == 0) {
  throw JSONRPCError(RPC_CLIENT_NOT_CONNECTED, PACKAGE_NAME " is not connected!");
  + }
  - if (::ChainstateActive().IsInitialBlockDownload())
  + if (::ChainstateActive().IsInitialBlockDownload()) {
  throw JSONRPCError(RPC_CLIENT_IN_INITIAL_DOWNLOAD, PACKAGE_NAME " is in initial sync and waiting for blocks...");
  + }
  + }
  static unsigned int nTransactionsUpdatedLast;
  const CTxMemPool& mempool = EnsureMemPool(request.context);
  