diff options
Diffstat (limited to 'src/rpcmining.cpp')
-rw-r--r-- | src/rpcmining.cpp | 83 |
1 files changed, 80 insertions, 3 deletions
diff --git a/src/rpcmining.cpp b/src/rpcmining.cpp index c7621dc137..cbb4ab2f8b 100644 --- a/src/rpcmining.cpp +++ b/src/rpcmining.cpp @@ -252,11 +252,30 @@ Value prioritisetransaction(const Array& params, bool fHelp) if (fHelp || params.size() != 3) throw runtime_error( "prioritisetransaction <txid> <priority delta> <fee delta>\n" - "Accepts the transaction into mined blocks at a higher (or lower) priority"); + "Accepts the transaction into mined blocks at a higher (or lower) priority\n" + "\nArguments:\n" + "1. \"txid\" (string, required) The transaction id.\n" + "2. priority delta (numeric, required) The priority to add or subtract.\n" + " The transaction selection algorithm considers the tx as it would have a higher priority.\n" + " (priority of a transaction is calculated: coinage * value_in_satoshis / txsize) \n" + "3. fee delta (numeric, required) The absolute fee value to add or subtract in bitcoin.\n" + " The fee is not actually paid, only the algorithm for selecting transactions into a block\n" + " considers the transaction as it would have paid a higher (or lower) fee.\n" + "\nResult\n" + "true (boolean) Returns true\n" + "\nExamples:\n" + + HelpExampleCli("prioritisetransaction", "\"txid\" 0.0 0.00010000") + + HelpExampleRpc("prioritisetransaction", "\"txid\", 0.0, 0.00010000") + ); uint256 hash; hash.SetHex(params[0].get_str()); - mempool.PrioritiseTransaction(hash, params[0].get_str(), params[1].get_real(), params[2].get_int64()); + + int64_t nAmount = 0; + if (params[2].get_real() != 0.0) + nAmount = AmountFromValue(params[2]); + + mempool.PrioritiseTransaction(hash, params[0].get_str(), params[1].get_real(), nAmount); return true; } @@ -324,6 +343,7 @@ Value getblocktemplate(const Array& params, bool fHelp) ); std::string strMode = "template"; + Value lpval = Value::null; if (params.size() > 0) { const Object& oparam = params[0].get_obj(); @@ -336,6 +356,7 @@ Value getblocktemplate(const Array& params, bool fHelp) } else throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid mode"); + lpval = find_value(oparam, "longpollid"); } if (strMode != "template") @@ -347,8 +368,63 @@ Value getblocktemplate(const Array& params, bool fHelp) if (IsInitialBlockDownload()) throw JSONRPCError(RPC_CLIENT_IN_INITIAL_DOWNLOAD, "Bitcoin is downloading blocks..."); - // Update block static unsigned int nTransactionsUpdatedLast; + + if (lpval.type() != null_type) + { + // Wait to respond until either the best block changes, OR a minute has passed and there are more transactions + uint256 hashWatchedChain; + boost::system_time checktxtime; + unsigned int nTransactionsUpdatedLastLP; + + if (lpval.type() == str_type) + { + // Format: <hashBestChain><nTransactionsUpdatedLast> + std::string lpstr = lpval.get_str(); + + hashWatchedChain.SetHex(lpstr.substr(0, 64)); + nTransactionsUpdatedLastLP = atoi64(lpstr.substr(64)); + } + else + { + // NOTE: Spec does not specify behaviour for non-string longpollid, but this makes testing easier + hashWatchedChain = chainActive.Tip()->GetBlockHash(); + nTransactionsUpdatedLastLP = nTransactionsUpdatedLast; + } + + // Release the wallet and main lock while waiting +#ifdef ENABLE_WALLET + if(pwalletMain) + LEAVE_CRITICAL_SECTION(pwalletMain->cs_wallet); +#endif + LEAVE_CRITICAL_SECTION(cs_main); + { + checktxtime = boost::get_system_time() + boost::posix_time::minutes(1); + + boost::unique_lock<boost::mutex> lock(csBestBlock); + while (chainActive.Tip()->GetBlockHash() == hashWatchedChain && IsRPCRunning()) + { + if (!cvBlockChange.timed_wait(lock, checktxtime)) + { + // Timeout: Check transactions for update + if (mempool.GetTransactionsUpdated() != nTransactionsUpdatedLastLP) + break; + checktxtime += boost::posix_time::seconds(10); + } + } + } + ENTER_CRITICAL_SECTION(cs_main); +#ifdef ENABLE_WALLET + if(pwalletMain) + ENTER_CRITICAL_SECTION(pwalletMain->cs_wallet); +#endif + + if (!IsRPCRunning()) + throw JSONRPCError(RPC_CLIENT_NOT_CONNECTED, "Shutting down"); + // TODO: Maybe recheck connections/IBD and (if something wrong) send an expires-immediately template to stop miners? + } + + // Update block static CBlockIndex* pindexPrev; static int64_t nStart; static CBlockTemplate* pblocktemplate; @@ -436,6 +512,7 @@ Value getblocktemplate(const Array& params, bool fHelp) result.push_back(Pair("transactions", transactions)); result.push_back(Pair("coinbaseaux", aux)); result.push_back(Pair("coinbasevalue", (int64_t)pblock->vtx[0].vout[0].nValue)); + result.push_back(Pair("longpollid", chainActive.Tip()->GetBlockHash().GetHex() + i64tostr(nTransactionsUpdatedLast))); result.push_back(Pair("target", hashTarget.GetHex())); result.push_back(Pair("mintime", (int64_t)pindexPrev->GetMedianTimePast()+1)); result.push_back(Pair("mutable", aMutable)); |