1 // Copyright (c) 2010 Satoshi Nakamoto
2 // Copyright (c) 2009-2012 The Bitcoin developers
3 // Distributed under the MIT/X11 software license, see the accompanying
4 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
7 #include "bitcoinrpc.h"
9 using namespace json_spirit;
12 extern void TxToJSON(const CTransaction& tx, const uint256 hashBlock, json_spirit::Object& entry);
13 extern enum Checkpoints::CPMode CheckpointsMode;
15 double GetDifficulty(const CBlockIndex* blockindex)
17 // Floating point number that is a multiple of the minimum difficulty,
18 // minimum difficulty = 1.0.
19 if (blockindex == NULL)
21 if (pindexBest == NULL)
24 blockindex = GetLastBlockIndex(pindexBest, false);
27 int nShift = (blockindex->nBits >> 24) & 0xff;
30 (double)0x0000ffff / (double)(blockindex->nBits & 0x00ffffff);
46 double GetPoWMHashPS()
48 int nPoWInterval = 72;
49 int64_t nTargetSpacingWorkMin = 30, nTargetSpacingWork = 30;
51 CBlockIndex* pindex = pindexGenesisBlock;
52 CBlockIndex* pindexPrevWork = pindexGenesisBlock;
56 if (pindex->IsProofOfWork())
58 int64_t nActualSpacingWork = pindex->GetBlockTime() - pindexPrevWork->GetBlockTime();
59 nTargetSpacingWork = ((nPoWInterval - 1) * nTargetSpacingWork + nActualSpacingWork + nActualSpacingWork) / (nPoWInterval + 1);
60 nTargetSpacingWork = max(nTargetSpacingWork, nTargetSpacingWorkMin);
61 pindexPrevWork = pindex;
64 pindex = pindex->pnext;
67 return GetDifficulty() * 4294.967296 / nTargetSpacingWork;
70 double GetPoSKernelPS()
72 int nPoSInterval = 72;
73 double dStakeKernelsTriedAvg = 0;
74 int nStakesHandled = 0, nStakesTime = 0;
76 CBlockIndex* pindex = pindexBest;;
77 CBlockIndex* pindexPrevStake = NULL;
79 while (pindex && nStakesHandled < nPoSInterval)
81 if (pindex->IsProofOfStake())
83 dStakeKernelsTriedAvg += GetDifficulty(pindex) * 4294967296.0;
84 nStakesTime += pindexPrevStake ? (pindexPrevStake->nTime - pindex->nTime) : 0;
85 pindexPrevStake = pindex;
89 pindex = pindex->pprev;
95 return dStakeKernelsTriedAvg / nStakesTime;
98 Object blockToJSON(const CBlock& block, const CBlockIndex* blockindex, bool fPrintTransactionDetail)
101 result.push_back(Pair("hash", block.GetHash().GetHex()));
102 CMerkleTx txGen(block.vtx[0]);
103 txGen.SetMerkleBranch(&block);
104 result.push_back(Pair("confirmations", (int)txGen.GetDepthInMainChain()));
105 result.push_back(Pair("size", (int)::GetSerializeSize(block, SER_NETWORK, PROTOCOL_VERSION)));
106 result.push_back(Pair("height", blockindex->nHeight));
107 result.push_back(Pair("version", block.nVersion));
108 result.push_back(Pair("merkleroot", block.hashMerkleRoot.GetHex()));
109 result.push_back(Pair("mint", ValueFromAmount(blockindex->nMint)));
110 result.push_back(Pair("time", (boost::int64_t)block.GetBlockTime()));
111 result.push_back(Pair("nonce", (boost::uint64_t)block.nNonce));
112 result.push_back(Pair("bits", HexBits(block.nBits)));
113 result.push_back(Pair("difficulty", GetDifficulty(blockindex)));
114 result.push_back(Pair("blocktrust", leftTrim(blockindex->GetBlockTrust().GetHex(), '0')));
115 result.push_back(Pair("chaintrust", leftTrim(blockindex->nChainTrust.GetHex(), '0')));
116 if (blockindex->pprev)
117 result.push_back(Pair("previousblockhash", blockindex->pprev->GetBlockHash().GetHex()));
118 if (blockindex->pnext)
119 result.push_back(Pair("nextblockhash", blockindex->pnext->GetBlockHash().GetHex()));
121 result.push_back(Pair("flags", strprintf("%s%s", blockindex->IsProofOfStake()? "proof-of-stake" : "proof-of-work", blockindex->GeneratedStakeModifier()? " stake-modifier": "")));
122 result.push_back(Pair("proofhash", blockindex->IsProofOfStake()? blockindex->hashProofOfStake.GetHex() : blockindex->GetBlockHash().GetHex()));
123 result.push_back(Pair("entropybit", (int)blockindex->GetStakeEntropyBit()));
124 result.push_back(Pair("modifier", strprintf("%016" PRIx64, blockindex->nStakeModifier)));
125 result.push_back(Pair("modifierchecksum", strprintf("%08x", blockindex->nStakeModifierChecksum)));
127 BOOST_FOREACH (const CTransaction& tx, block.vtx)
129 if (fPrintTransactionDetail)
131 CDataStream ssTx(SER_NETWORK, PROTOCOL_VERSION);
133 string strHex = HexStr(ssTx.begin(), ssTx.end());
135 txinfo.push_back(strHex);
138 txinfo.push_back(tx.GetHash().GetHex());
141 result.push_back(Pair("tx", txinfo));
143 if ( block.IsProofOfStake() )
144 result.push_back(Pair("signature", HexStr(block.vchBlockSig.begin(), block.vchBlockSig.end())));
149 Value getbestblockhash(const Array& params, bool fHelp)
151 if (fHelp || params.size() != 0)
154 "Returns the hash of the best block in the longest block chain.");
156 return hashBestChain.GetHex();
159 Value getblockcount(const Array& params, bool fHelp)
161 if (fHelp || params.size() != 0)
164 "Returns the number of blocks in the longest block chain.");
170 Value getdifficulty(const Array& params, bool fHelp)
172 if (fHelp || params.size() != 0)
175 "Returns the difficulty as a multiple of the minimum difficulty.");
178 obj.push_back(Pair("proof-of-work", GetDifficulty()));
179 obj.push_back(Pair("proof-of-stake", GetDifficulty(GetLastBlockIndex(pindexBest, true))));
180 obj.push_back(Pair("search-interval", (int)nLastCoinStakeSearchInterval));
185 Value settxfee(const Array& params, bool fHelp)
187 if (fHelp || params.size() < 1 || params.size() > 1 || AmountFromValue(params[0]) < MIN_TX_FEE)
189 "settxfee <amount>\n"
190 "<amount> is a real and is rounded to the nearest " + FormatMoney(MIN_TX_FEE));
192 nTransactionFee = AmountFromValue(params[0]);
193 nTransactionFee = (nTransactionFee / MIN_TX_FEE) * MIN_TX_FEE; // round to minimum fee
198 Value getrawmempool(const Array& params, bool fHelp)
200 if (fHelp || params.size() != 0)
203 "Returns all transaction ids in memory pool.");
205 vector<uint256> vtxid;
206 mempool.queryHashes(vtxid);
209 BOOST_FOREACH(const uint256& hash, vtxid)
210 a.push_back(hash.ToString());
215 Value getblockhash(const Array& params, bool fHelp)
217 if (fHelp || params.size() != 1)
219 "getblockhash <index>\n"
220 "Returns hash of block in best-block-chain at <index>.");
222 int nHeight = params[0].get_int();
223 if (nHeight < 0 || nHeight > nBestHeight)
224 throw runtime_error("Block number out of range.");
226 CBlockIndex* pblockindex = FindBlockByHeight(nHeight);
227 return pblockindex->phashBlock->GetHex();
230 Value getblock(const Array& params, bool fHelp)
232 if (fHelp || params.size() < 1 || params.size() > 2)
234 "getblock <hash> [txinfo]\n"
235 "txinfo optional to print more detailed tx info\n"
236 "Returns details of a block with given block-hash.");
238 std::string strHash = params[0].get_str();
239 uint256 hash(strHash);
241 if (mapBlockIndex.count(hash) == 0)
242 throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Block not found");
245 CBlockIndex* pblockindex = mapBlockIndex[hash];
246 block.ReadFromDisk(pblockindex, true);
248 return blockToJSON(block, pblockindex, params.size() > 1 ? params[1].get_bool() : false);
251 Value getblockbynumber(const Array& params, bool fHelp)
253 if (fHelp || params.size() < 1 || params.size() > 2)
255 "getblock <number> [txinfo]\n"
256 "txinfo optional to print more detailed tx info\n"
257 "Returns details of a block with given block-number.");
259 int nHeight = params[0].get_int();
260 if (nHeight < 0 || nHeight > nBestHeight)
261 throw runtime_error("Block number out of range.");
264 CBlockIndex* pblockindex = mapBlockIndex[hashBestChain];
265 while (pblockindex->nHeight > nHeight)
266 pblockindex = pblockindex->pprev;
268 uint256 hash = *pblockindex->phashBlock;
270 pblockindex = mapBlockIndex[hash];
271 block.ReadFromDisk(pblockindex, true);
273 return blockToJSON(block, pblockindex, params.size() > 1 ? params[1].get_bool() : false);
276 // get information of sync-checkpoint
277 Value getcheckpoint(const Array& params, bool fHelp)
279 if (fHelp || params.size() != 0)
282 "Show info of synchronized checkpoint.\n");
285 CBlockIndex* pindexCheckpoint;
287 result.push_back(Pair("synccheckpoint", Checkpoints::hashSyncCheckpoint.ToString().c_str()));
288 pindexCheckpoint = mapBlockIndex[Checkpoints::hashSyncCheckpoint];
289 result.push_back(Pair("height", pindexCheckpoint->nHeight));
290 result.push_back(Pair("timestamp", DateTimeStrFormat(pindexCheckpoint->GetBlockTime()).c_str()));
292 if (Checkpoints::checkpointMessage.vchSig.size() != 0)
295 CUnsignedSyncCheckpoint checkpoint;
297 CDataStream sMsg(Checkpoints::checkpointMessage.vchMsg, SER_NETWORK, PROTOCOL_VERSION);
300 Object parsed; // message version and data (block hash)
301 parsed.push_back(Pair("version", checkpoint.nVersion));
302 parsed.push_back(Pair("hash", checkpoint.hashCheckpoint.GetHex().c_str()));
303 msgdata.push_back(Pair("parsed", parsed));
305 Object raw; // raw checkpoint message data
306 raw.push_back(Pair("data", HexStr(Checkpoints::checkpointMessage.vchMsg).c_str()));
307 raw.push_back(Pair("signature", HexStr(Checkpoints::checkpointMessage.vchSig).c_str()));
308 msgdata.push_back(Pair("raw", raw));
310 result.push_back(Pair("data", msgdata));
313 // Check that the block satisfies synchronized checkpoint
314 if (CheckpointsMode == Checkpoints::STRICT)
315 result.push_back(Pair("policy", "strict"));
317 if (CheckpointsMode == Checkpoints::ADVISORY)
318 result.push_back(Pair("policy", "advisory"));
320 if (CheckpointsMode == Checkpoints::PERMISSIVE)
321 result.push_back(Pair("policy", "permissive"));
323 if (mapArgs.count("-checkpointkey"))
324 result.push_back(Pair("checkpointmaster", true));