diff options
Diffstat (limited to 'src/rpc/mining.cpp')
| -rw-r--r-- | src/rpc/mining.cpp | 27 |
1 files changed, 17 insertions, 10 deletions
diff --git a/src/rpc/mining.cpp b/src/rpc/mining.cpp index b124c2bc3a..c33082fca0 100644 --- a/src/rpc/mining.cpp +++ b/src/rpc/mining.cpp @@ -95,13 +95,13 @@ UniValue getnetworkhashps(const UniValue& params, bool fHelp) UniValue generate(const UniValue& params, bool fHelp) { - if (fHelp || params.size() < 1 || params.size() > 1) + if (fHelp || params.size() < 1 || params.size() > 2) throw runtime_error( - "generate numblocks\n" - "\nMine blocks immediately (before the RPC call returns)\n" - "\nNote: this function can only be used on the regtest network\n" + "generate numblocks ( maxtries )\n" + "\nMine up to numblocks blocks immediately (before the RPC call returns)\n" "\nArguments:\n" "1. numblocks (numeric, required) How many blocks are generated immediately.\n" + "2. maxtries (numeric, optional) How many iterations to try (default = 1000000).\n" "\nResult\n" "[ blockhashes ] (array) hashes of blocks generated\n" "\nExamples:\n" @@ -109,13 +109,15 @@ UniValue generate(const UniValue& params, bool fHelp) + HelpExampleCli("generate", "11") ); - if (!Params().MineBlocksOnDemand()) - throw JSONRPCError(RPC_METHOD_NOT_FOUND, "This method can only be used on regtest"); - + static const int nInnerLoopCount = 0x10000; int nHeightStart = 0; int nHeightEnd = 0; int nHeight = 0; int nGenerate = params[0].get_int(); + uint64_t nMaxTries = 1000000; + if (params.size() > 1) { + nMaxTries = params[1].get_int(); + } boost::shared_ptr<CReserveScript> coinbaseScript; GetMainSignals().ScriptForMining(coinbaseScript); @@ -146,10 +148,15 @@ UniValue generate(const UniValue& params, bool fHelp) LOCK(cs_main); IncrementExtraNonce(pblock, chainActive.Tip(), nExtraNonce); } - while (!CheckProofOfWork(pblock->GetHash(), pblock->nBits, Params().GetConsensus())) { - // Yes, there is a chance every nonce could fail to satisfy the -regtest - // target -- 1 in 2^(2^32). That ain't gonna happen. + while (nMaxTries > 0 && pblock->nNonce < nInnerLoopCount && !CheckProofOfWork(pblock->GetHash(), pblock->nBits, Params().GetConsensus())) { ++pblock->nNonce; + --nMaxTries; + } + if (nMaxTries == 0) { + break; + } + if (pblock->nNonce == nInnerLoopCount) { + continue; } CValidationState state; if (!ProcessNewBlock(state, Params(), NULL, pblock, true, NULL)) |