本文整理汇总了C++中COutPoint::IsNull方法的典型用法代码示例。如果您正苦于以下问题：C++ COutPoint::IsNull方法的具体用法？C++ COutPoint::IsNull怎么用？C++ COutPoint::IsNull使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类COutPoint的用法示例。
在下文中一共展示了COutPoint::IsNull方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: checkkernel
Value checkkernel(const Array& params, bool fHelp)
{
if (fHelp || params.size() < 1 || params.size() > 2)
throw runtime_error(
"checkkernel [{\"txid\":txid,\"vout\":n},...] [createblocktemplate=false]\n"
"Check if one of given inputs is a kernel input at the moment.\n"
);
RPCTypeCheck(params, list_of(array_type)(bool_type));
Array inputs = params[0].get_array();
bool fCreateBlockTemplate = params.size() > 1 ? params[1].get_bool() : false;
if (vNodes.empty())
throw JSONRPCError(-9, "radium is not connected!");
if (IsInitialBlockDownload())
throw JSONRPCError(-10, "radium is downloading blocks...");
COutPoint kernel;
CBlockIndex* pindexPrev = pindexBest;
unsigned int nBits = GetNextTargetRequired(pindexPrev, true);
int64_t nTime = GetAdjustedTime();
nTime &= ~STAKE_TIMESTAMP_MASK;
BOOST_FOREACH(Value& input, inputs)
{
const Object& o = input.get_obj();
const Value& txid_v = find_value(o, "txid");
if (txid_v.type() != str_type)
throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid parameter, missing txid key");
string txid = txid_v.get_str();
if (!IsHex(txid))
throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid parameter, expected hex txid");
const Value& vout_v = find_value(o, "vout");
if (vout_v.type() != int_type)
throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid parameter, missing vout key");
int nOutput = vout_v.get_int();
if (nOutput < 0)
throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid parameter, vout must be positive");
COutPoint cInput(uint256(txid), nOutput);
if (CheckKernel(pindexPrev, nBits, nTime, cInput))
{
kernel = cInput;
break;
}
}
Object result;
result.push_back(Pair("found", !kernel.IsNull()));
if (kernel.IsNull())
return result;
Object oKernel;
oKernel.push_back(Pair("txid", kernel.hash.GetHex()));
oKernel.push_back(Pair("vout", (int64_t)kernel.n));
oKernel.push_back(Pair("time", nTime));
result.push_back(Pair("kernel", oKernel));
if (!fCreateBlockTemplate)
return result;
int64_t nFees;
auto_ptr<CBlock> pblock(CreateNewBlock(*pMiningKey, true, &nFees));
pblock->nTime = pblock->vtx[0].nTime = nTime;
CDataStream ss(SER_DISK, PROTOCOL_VERSION);
ss << *pblock;
result.push_back(Pair("blocktemplate", HexStr(ss.begin(), ss.end())));
result.push_back(Pair("blocktemplatefees", nFees));
CPubKey pubkey;
if (!pMiningKey->GetReservedKey(pubkey))
throw JSONRPCError(RPC_MISC_ERROR, "GetReservedKey failed");
result.push_back(Pair("blocktemplatesignkey", HexStr(pubkey)));
return result;
}