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Litecoin: getworkex DEPRECATED - will be removed in TBD future version

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Who wrote this?  Earliest reference is from litecoin-0.5.x
638f9b1b src/bitcoinrpc.cpp (Alex                     2012-02-15 22:53:27 +0400
This commit is contained in:
Warren Togami 2013-05-17 12:37:57 -10:00
parent 164ae00f46
commit 267715362c
3 changed files with 139 additions and 1 deletions
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3
src/bitcoinrpc.cpp
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@ -245,6 +245,7 @@ static const CRPCCommand vRPCCommands[] =
{ "signmessage", &signmessage, false, false },
{ "verifymessage", &verifymessage, false, false },
{ "getwork", &getwork, true, false },
{ "getworkex", &getworkex, true, false },
{ "listaccounts", &listaccounts, false, false },
{ "settxfee", &settxfee, false, false },
{ "getblocktemplate", &getblocktemplate, true, false },
@ -889,7 +890,7 @@ void JSONRequest::parse(const Value& valRequest)
if (valMethod.type() != str_type)
throw JSONRPCError(RPC_INVALID_REQUEST, "Method must be a string");
strMethod = valMethod.get_str();
if (strMethod != "getwork" && strMethod != "getblocktemplate")
if (strMethod != "getwork" && strMethod != "getworkex" && strMethod != "getblocktemplate")
printf("ThreadRPCServer method=%s\n", strMethod.c_str());
// Parse params

1
src/bitcoinrpc.h
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@ -145,6 +145,7 @@ extern json_spirit::Value setgenerate(const json_spirit::Array& params, bool fHe
extern json_spirit::Value getnetworkhashps(const json_spirit::Array& params, bool fHelp);
extern json_spirit::Value gethashespersec(const json_spirit::Array& params, bool fHelp);
extern json_spirit::Value getmininginfo(const json_spirit::Array& params, bool fHelp);
extern json_spirit::Value getworkex(const json_spirit::Array& params, bool fHelp);
extern json_spirit::Value getwork(const json_spirit::Array& params, bool fHelp);
extern json_spirit::Value getblocktemplate(const json_spirit::Array& params, bool fHelp);
extern json_spirit::Value submitblock(const json_spirit::Array& params, bool fHelp);

136
src/rpcmining.cpp
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@ -120,6 +120,142 @@ Value getmininginfo(const Array& params, bool fHelp)
}
Value getworkex(const Array& params, bool fHelp)
{
if (fHelp || params.size() > 2)
throw runtime_error(
"getworkex [data, coinbase]\n"
"If [data, coinbase] is not specified, returns extended work data.\n"
);
if (vNodes.empty())
throw JSONRPCError(RPC_CLIENT_NOT_CONNECTED, "Litecoin is not connected!");
if (IsInitialBlockDownload())
throw JSONRPCError(RPC_CLIENT_IN_INITIAL_DOWNLOAD, "Litecoin is downloading blocks...");
typedef map<uint256, pair<CBlock*, CScript> > mapNewBlock_t;
static mapNewBlock_t mapNewBlock; // FIXME: thread safety
static vector<CBlockTemplate*> vNewBlockTemplate;
static CReserveKey reservekey(pwalletMain);
if (params.size() == 0)
{
// Update block
static unsigned int nTransactionsUpdatedLast;
static CBlockIndex* pindexPrev;
static int64 nStart;
static CBlockTemplate* pblocktemplate;
if (pindexPrev != pindexBest ||
(nTransactionsUpdated != nTransactionsUpdatedLast && GetTime() - nStart > 60))
{
if (pindexPrev != pindexBest)
{
// Deallocate old blocks since they're obsolete now
mapNewBlock.clear();
BOOST_FOREACH(CBlockTemplate* pblocktemplate, vNewBlockTemplate)
delete pblocktemplate;
vNewBlockTemplate.clear();
}
// Clear pindexPrev so future getworks make a new block, despite any failures from here on
pindexPrev = NULL;
// Store the pindexBest used before CreateNewBlock, to avoid races
nTransactionsUpdatedLast = nTransactionsUpdated;
CBlockIndex* pindexPrevNew = pindexBest;
nStart = GetTime();
// Create new block
pblocktemplate = CreateNewBlock(reservekey);
if (!pblocktemplate)
throw JSONRPCError(RPC_OUT_OF_MEMORY, "Out of memory");
vNewBlockTemplate.push_back(pblocktemplate);
// Need to update only after we know CreateNewBlock succeeded
pindexPrev = pindexPrevNew;
}
CBlock* pblock = &pblocktemplate->block; // pointer for convenience
// Update nTime
pblock->UpdateTime(pindexPrev);
pblock->nNonce = 0;
// Update nExtraNonce
static unsigned int nExtraNonce = 0;
IncrementExtraNonce(pblock, pindexPrev, nExtraNonce);
// Save
mapNewBlock[pblock->hashMerkleRoot] = make_pair(pblock, pblock->vtx[0].vin[0].scriptSig);
// Pre-build hash buffers
char pmidstate[32];
char pdata[128];
char phash1[64];
FormatHashBuffers(pblock, pmidstate, pdata, phash1);
uint256 hashTarget = CBigNum().SetCompact(pblock->nBits).getuint256();
CTransaction coinbaseTx = pblock->vtx[0];
std::vector<uint256> merkle = pblock->GetMerkleBranch(0);
Object result;
result.push_back(Pair("data", HexStr(BEGIN(pdata), END(pdata))));
result.push_back(Pair("target", HexStr(BEGIN(hashTarget), END(hashTarget))));
CDataStream ssTx(SER_NETWORK, PROTOCOL_VERSION);
ssTx << coinbaseTx;
result.push_back(Pair("coinbase", HexStr(ssTx.begin(), ssTx.end())));
Array merkle_arr;
BOOST_FOREACH(uint256 merkleh, merkle) {
printf("%s\n", merkleh.ToString().c_str());
merkle_arr.push_back(HexStr(BEGIN(merkleh), END(merkleh)));
}
result.push_back(Pair("merkle", merkle_arr));
return result;
}
else
{
// Parse parameters
vector<unsigned char> vchData = ParseHex(params[0].get_str());
vector<unsigned char> coinbase;
if(params.size() == 2)
coinbase = ParseHex(params[1].get_str());
if (vchData.size() != 128)
throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid parameter");
CBlock* pdata = (CBlock*)&vchData[0];
// Byte reverse
for (int i = 0; i < 128/4; i++)
((unsigned int*)pdata)[i] = ByteReverse(((unsigned int*)pdata)[i]);
// Get saved block
if (!mapNewBlock.count(pdata->hashMerkleRoot))
return false;
CBlock* pblock = mapNewBlock[pdata->hashMerkleRoot].first;
pblock->nTime = pdata->nTime;
pblock->nNonce = pdata->nNonce;
if(coinbase.size() == 0)
pblock->vtx[0].vin[0].scriptSig = mapNewBlock[pdata->hashMerkleRoot].second;
else
CDataStream(coinbase, SER_NETWORK, PROTOCOL_VERSION) >> pblock->vtx[0];
pblock->hashMerkleRoot = pblock->BuildMerkleTree();
return CheckWork(pblock, *pwalletMain, reservekey);
}
}
Value getwork(const Array& params, bool fHelp)
{
if (fHelp || params.size() > 1)