Differential D619 Diff 1591 src/rpc/blockchain.cpp

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src/rpc/blockchain.cpp

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static std::condition_variable cond_blockchange;		static std::condition_variable cond_blockchange;
static CUpdatedBlock latestblock;		static CUpdatedBlock latestblock;

extern void TxToJSON(const CTransaction &tx, const uint256 hashBlock,		extern void TxToJSON(const CTransaction &tx, const uint256 hashBlock,
UniValue &entry);		UniValue &entry);
void ScriptPubKeyToJSON(const CScript &scriptPubKey, UniValue &out,		void ScriptPubKeyToJSON(const CScript &scriptPubKey, UniValue &out,
bool fIncludeHex);		bool fIncludeHex);

double GetDifficulty(const CBlockIndex *blockindex) {		static double GetDifficultyFromBits(uint32_t nBits) {
// Floating point number that is a multiple of the minimum difficulty,		int nShift = (nBits >> 24) & 0xff;
// minimum difficulty = 1.0.		double dDiff = 0x0000ffff / double(nBits & 0x00ffffff);
if (blockindex == nullptr) {
if (chainActive.Tip() == nullptr) {
return 1.0;
}

blockindex = chainActive.Tip();
}

int nShift = (blockindex->nBits >> 24) & 0xff;

double dDiff = double(0x0000ffff) / double(blockindex->nBits & 0x00ffffff);

while (nShift < 29) {		while (nShift < 29) {
dDiff *= 256.0;		dDiff *= 256.0;
nShift++;		nShift++;
}		}

while (nShift > 29) {		while (nShift > 29) {
dDiff /= 256.0;		dDiff /= 256.0;
nShift--;		nShift--;
}		}

return dDiff;		return dDiff;
}		}

		double GetDifficulty(const CBlockIndex *blockindex) {
		// Floating point number that is a multiple of the minimum difficulty,
		// minimum difficulty = 1.0.
		if (blockindex == nullptr) {
		return 1.0;
		}

		return GetDifficultyFromBits(blockindex->nBits);
		}

UniValue blockheaderToJSON(const CBlockIndex *blockindex) {		UniValue blockheaderToJSON(const CBlockIndex *blockindex) {
UniValue result(UniValue::VOBJ);		UniValue result(UniValue::VOBJ);
result.push_back(Pair("hash", blockindex->GetBlockHash().GetHex()));		result.push_back(Pair("hash", blockindex->GetBlockHash().GetHex()));
int confirmations = -1;		int confirmations = -1;
// Only report confirmations if the block is on the main chain		// Only report confirmations if the block is on the main chain
if (chainActive.Contains(blockindex)) {		if (chainActive.Contains(blockindex)) {
confirmations = chainActive.Height() - blockindex->nHeight + 1;		confirmations = chainActive.Height() - blockindex->nHeight + 1;
}		}
▲ Show 20 Lines • Show All 278 Lines • ▼ Show 20 Lines	if (request.fHelp \|\| request.params.size() != 0) {
"difficulty as a multiple of the minimum "		"difficulty as a multiple of the minimum "
"difficulty.\n"		"difficulty.\n"
"\nExamples:\n" +		"\nExamples:\n" +
HelpExampleCli("getdifficulty", "") +		HelpExampleCli("getdifficulty", "") +
HelpExampleRpc("getdifficulty", ""));		HelpExampleRpc("getdifficulty", ""));
}		}

LOCK(cs_main);		LOCK(cs_main);
return GetDifficulty();		return GetDifficulty(chainActive.Tip());
}		}

std::string EntryDescriptionString() {		std::string EntryDescriptionString() {
return " \"size\" : n, (numeric) transaction size.\n"		return " \"size\" : n, (numeric) transaction size.\n"
" \"fee\" : n, (numeric) transaction fee in " +		" \"fee\" : n, (numeric) transaction fee in " +
CURRENCY_UNIT +		CURRENCY_UNIT +
"\n"		"\n"
" \"modifiedfee\" : n, (numeric) transaction fee with fee "		" \"modifiedfee\" : n, (numeric) transaction fee with fee "
▲ Show 20 Lines • Show All 924 Lines • ▼ Show 20 Lines	UniValue getblockchaininfo(const Config &config,

UniValue obj(UniValue::VOBJ);		UniValue obj(UniValue::VOBJ);
obj.push_back(Pair("chain", Params().NetworkIDString()));		obj.push_back(Pair("chain", Params().NetworkIDString()));
obj.push_back(Pair("blocks", int(chainActive.Height())));		obj.push_back(Pair("blocks", int(chainActive.Height())));
obj.push_back(		obj.push_back(
Pair("headers", pindexBestHeader ? pindexBestHeader->nHeight : -1));		Pair("headers", pindexBestHeader ? pindexBestHeader->nHeight : -1));
obj.push_back(		obj.push_back(
Pair("bestblockhash", chainActive.Tip()->GetBlockHash().GetHex()));		Pair("bestblockhash", chainActive.Tip()->GetBlockHash().GetHex()));
obj.push_back(Pair("difficulty", double(GetDifficulty())));		obj.push_back(Pair("difficulty", double(GetDifficulty(chainActive.Tip()))));
obj.push_back(		obj.push_back(
Pair("mediantime", int64_t(chainActive.Tip()->GetMedianTimePast())));		Pair("mediantime", int64_t(chainActive.Tip()->GetMedianTimePast())));
obj.push_back(		obj.push_back(
Pair("verificationprogress",		Pair("verificationprogress",
GuessVerificationProgress(Params().TxData(), chainActive.Tip())));		GuessVerificationProgress(Params().TxData(), chainActive.Tip())));
obj.push_back(Pair("chainwork", chainActive.Tip()->nChainWork.GetHex()));		obj.push_back(Pair("chainwork", chainActive.Tip()->nChainWork.GetHex()));
obj.push_back(Pair("pruned", fPruneMode));		obj.push_back(Pair("pruned", fPruneMode));

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