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Merge #7663: Make the generate RPC call function for non-regtest

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8a253b3 Make the generate RPC call function for non-regtest (Pieter Wuille)
This commit is contained in:
Wladimir J. van der Laan 2016-03-14 11:35:55 +01:00
commit c87f51e55b
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GPG key ID: 74810B012346C9A6
2 changed files with 18 additions and 10 deletions
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1
src/rpc/client.cpp
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@ -28,6 +28,7 @@ static const CRPCConvertParam vRPCConvertParams[] =
{ "setmocktime", 0 }, { "setmocktime", 0 },
{ "getaddednodeinfo", 0 }, { "getaddednodeinfo", 0 },
{ "generate", 0 }, { "generate", 0 },
{ "generate", 1 },
{ "getnetworkhashps", 0 }, { "getnetworkhashps", 0 },
{ "getnetworkhashps", 1 }, { "getnetworkhashps", 1 },
{ "sendtoaddress", 1 }, { "sendtoaddress", 1 },

27
src/rpc/mining.cpp
View file

@ -95,13 +95,13 @@ UniValue getnetworkhashps(const UniValue& params, bool fHelp)
UniValue generate(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( throw runtime_error(
"generate numblocks\n" "generate numblocks ( maxtries )\n"
"\nMine blocks immediately (before the RPC call returns)\n" "\nMine up to numblocks blocks immediately (before the RPC call returns)\n"
"\nNote: this function can only be used on the regtest network\n"
"\nArguments:\n" "\nArguments:\n"
"1. numblocks (numeric, required) How many blocks are generated immediately.\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" "\nResult\n"
"[ blockhashes ] (array) hashes of blocks generated\n" "[ blockhashes ] (array) hashes of blocks generated\n"
"\nExamples:\n" "\nExamples:\n"
@ -109,13 +109,15 @@ UniValue generate(const UniValue& params, bool fHelp)
+ HelpExampleCli("generate", "11") + HelpExampleCli("generate", "11")
); );
if (!Params().MineBlocksOnDemand()) static const int nInnerLoopCount = 0x10000;
throw JSONRPCError(RPC_METHOD_NOT_FOUND, "This method can only be used on regtest");
int nHeightStart = 0; int nHeightStart = 0;
int nHeightEnd = 0; int nHeightEnd = 0;
int nHeight = 0; int nHeight = 0;
int nGenerate = params[0].get_int(); int nGenerate = params[0].get_int();
uint64_t nMaxTries = 1000000;
if (params.size() > 1) {
nMaxTries = params[1].get_int();
}
boost::shared_ptr<CReserveScript> coinbaseScript; boost::shared_ptr<CReserveScript> coinbaseScript;
GetMainSignals().ScriptForMining(coinbaseScript); GetMainSignals().ScriptForMining(coinbaseScript);
@ -146,10 +148,15 @@ UniValue generate(const UniValue& params, bool fHelp)
LOCK(cs_main); LOCK(cs_main);
IncrementExtraNonce(pblock, chainActive.Tip(), nExtraNonce); IncrementExtraNonce(pblock, chainActive.Tip(), nExtraNonce);
} }
while (!CheckProofOfWork(pblock->GetHash(), pblock->nBits, Params().GetConsensus())) { while (nMaxTries > 0 && pblock->nNonce < nInnerLoopCount && !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.
++pblock->nNonce; ++pblock->nNonce;
--nMaxTries;
}
if (nMaxTries == 0) {
break;
}
if (pblock->nNonce == nInnerLoopCount) {
continue;
} }
CValidationState state; CValidationState state;
if (!ProcessNewBlock(state, Params(), NULL, pblock, true, NULL)) if (!ProcessNewBlock(state, Params(), NULL, pblock, true, NULL))