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Introduce separate 'generate' RPC call

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This commit is contained in:
Pieter Wuille
2015-03-31 20:28:28 -07:00
parent 0df67f1f7a
commit 6b04508e37
25 changed files with 162 additions and 142 deletions
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91
src/rpcmining.cpp
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@@ -113,6 +113,45 @@ Value getgenerate(const Array& params, bool fHelp)
return GetBoolArg("-gen", false);
}
Value generate(const Array& params, bool fHelp)
{
if (fHelp || params.size() < 1 || params.size() > 1)
throw runtime_error(
"generate numblocks\n"
"\nMine blocks immediately (before the RPC call returns)\n"
"1. numblocks (numeric) How many blocks are generated immediately.\n"
"\nResult\n"
"[ blockhashes ] (array) hashes of blocks generated\n"
"\nExamples:\n"
"\nGenerate 11 blocks\n"
+ HelpExampleCli("generate", "11")
);
if (pwalletMain == NULL)
throw JSONRPCError(RPC_METHOD_NOT_FOUND, "Method not found (disabled)");
int nHeightStart = 0;
int nHeightEnd = 0;
int nHeight = 0;
int nGenerate = params[0].get_int();
{ // Don't keep cs_main locked
LOCK(cs_main);
nHeightStart = chainActive.Height();
nHeight = nHeightStart;
nHeightEnd = nHeightStart+nGenerate;
}
Array blockHashes;
while (nHeight < nHeightEnd) {
uint256 hash;
if (!MineBlock(pwalletMain, hash))
throw JSONRPCError(RPC_INTERNAL_ERROR, "Wallet keypool empty");
++nHeight;
blockHashes.push_back(hash.GetHex());
}
return blockHashes;
}
Value setgenerate(const Array& params, bool fHelp)
{
@@ -125,9 +164,6 @@ Value setgenerate(const Array& params, bool fHelp)
"\nArguments:\n"
"1. generate (boolean, required) Set to true to turn on generation, off to turn off.\n"
"2. genproclimit (numeric, optional) Set the processor limit for when generation is on. Can be -1 for unlimited.\n"
" Note: in -regtest mode, genproclimit controls how many blocks are generated immediately.\n"
"\nResult\n"
"[ blockhashes ] (array, -regtest only) hashes of blocks generated\n"
"\nExamples:\n"
"\nSet the generation on with a limit of one processor\n"
+ HelpExampleCli("setgenerate", "true 1") +
@@ -154,52 +190,9 @@ Value setgenerate(const Array& params, bool fHelp)
fGenerate = false;
}
// -regtest mode: don't return until nGenProcLimit blocks are generated
if (fGenerate && Params().MineBlocksOnDemand())
{
int nHeightStart = 0;
int nHeightEnd = 0;
int nHeight = 0;
int nGenerate = (nGenProcLimit > 0 ? nGenProcLimit : 1);
CReserveKey reservekey(pwalletMain);
{ // Don't keep cs_main locked
LOCK(cs_main);
nHeightStart = chainActive.Height();
nHeight = nHeightStart;
nHeightEnd = nHeightStart+nGenerate;
}
unsigned int nExtraNonce = 0;
Array blockHashes;
while (nHeight < nHeightEnd)
{
auto_ptr<CBlockTemplate> pblocktemplate(CreateNewBlockWithKey(reservekey));
if (!pblocktemplate.get())
throw JSONRPCError(RPC_INTERNAL_ERROR, "Wallet keypool empty");
CBlock *pblock = &pblocktemplate->block;
{
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.
++pblock->nNonce;
}
CValidationState state;
if (!ProcessNewBlock(state, NULL, pblock))
throw JSONRPCError(RPC_INTERNAL_ERROR, "ProcessNewBlock, block not accepted");
++nHeight;
blockHashes.push_back(pblock->GetHash().GetHex());
}
return blockHashes;
}
else // Not -regtest: start generate thread, return immediately
{
mapArgs["-gen"] = (fGenerate ? "1" : "0");
mapArgs ["-genproclimit"] = itostr(nGenProcLimit);
GenerateBitcoins(fGenerate, pwalletMain, nGenProcLimit);
}
mapArgs["-gen"] = (fGenerate ? "1" : "0");
mapArgs ["-genproclimit"] = itostr(nGenProcLimit);
GenerateBitcoins(fGenerate, pwalletMain, nGenProcLimit);
return Value::null;
}