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 nTargetSpacingWorkMin = 30, nTargetSpacingWork = 30;
51 CBlockIndex* pindex = pindexGenesisBlock;
52 CBlockIndex* pindexPrevWork = pindexGenesisBlock;
56 if (pindex->IsProofOfWork())
58 int64 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;
92 return dStakeKernelsTriedAvg / nStakesTime;
95 Object blockToJSON(const CBlock& block, const CBlockIndex* blockindex, bool fPrintTransactionDetail)
98 result.push_back(Pair("hash", block.GetHash().GetHex()));
99 CMerkleTx txGen(block.vtx[0]);
100 txGen.SetMerkleBranch(&block);
101 result.push_back(Pair("confirmations", (int)txGen.GetDepthInMainChain()));
102 result.push_back(Pair("size", (int)::GetSerializeSize(block, SER_NETWORK, PROTOCOL_VERSION)));
103 result.push_back(Pair("height", blockindex->nHeight));
104 result.push_back(Pair("version", block.nVersion));
105 result.push_back(Pair("merkleroot", block.hashMerkleRoot.GetHex()));
106 result.push_back(Pair("mint", ValueFromAmount(blockindex->nMint)));
107 result.push_back(Pair("time", (boost::int64_t)block.GetBlockTime()));
108 result.push_back(Pair("nonce", (boost::uint64_t)block.nNonce));
109 result.push_back(Pair("bits", HexBits(block.nBits)));
110 result.push_back(Pair("difficulty", GetDifficulty(blockindex)));
111 result.push_back(Pair("blocktrust", leftTrim(blockindex->GetBlockTrust().GetHex(), '0')));
112 result.push_back(Pair("chaintrust", leftTrim(blockindex->nChainTrust.GetHex(), '0')));
113 if (blockindex->pprev)
114 result.push_back(Pair("previousblockhash", blockindex->pprev->GetBlockHash().GetHex()));
115 if (blockindex->pnext)
116 result.push_back(Pair("nextblockhash", blockindex->pnext->GetBlockHash().GetHex()));
118 result.push_back(Pair("flags", strprintf("%s%s", blockindex->IsProofOfStake()? "proof-of-stake" : "proof-of-work", blockindex->GeneratedStakeModifier()? " stake-modifier": "")));
119 result.push_back(Pair("proofhash", blockindex->IsProofOfStake()? blockindex->hashProofOfStake.GetHex() : blockindex->GetBlockHash().GetHex()));
120 result.push_back(Pair("entropybit", (int)blockindex->GetStakeEntropyBit()));
121 result.push_back(Pair("modifier", strprintf("%016"PRI64x, blockindex->nStakeModifier)));
122 result.push_back(Pair("modifierchecksum", strprintf("%08x", blockindex->nStakeModifierChecksum)));
124 BOOST_FOREACH (const CTransaction& tx, block.vtx)
126 if (fPrintTransactionDetail)
128 CDataStream ssTx(SER_NETWORK, PROTOCOL_VERSION);
130 string strHex = HexStr(ssTx.begin(), ssTx.end());
132 txinfo.push_back(strHex);
135 txinfo.push_back(tx.GetHash().GetHex());
138 result.push_back(Pair("tx", txinfo));
140 if ( block.IsProofOfStake() || (!fTestNet && block.GetBlockTime() < ENTROPY_SWITCH_TIME) )
141 result.push_back(Pair("signature", HexStr(block.vchBlockSig.begin(), block.vchBlockSig.end())));
146 Value getbestblockhash(const Array& params, bool fHelp)
148 if (fHelp || params.size() != 0)
151 "Returns the hash of the best block in the longest block chain.");
153 return hashBestChain.GetHex();
156 Value getblockcount(const Array& params, bool fHelp)
158 if (fHelp || params.size() != 0)
161 "Returns the number of blocks in the longest block chain.");
167 Value getdifficulty(const Array& params, bool fHelp)
169 if (fHelp || params.size() != 0)
172 "Returns the difficulty as a multiple of the minimum difficulty.");
175 obj.push_back(Pair("proof-of-work", GetDifficulty()));
176 obj.push_back(Pair("proof-of-stake", GetDifficulty(GetLastBlockIndex(pindexBest, true))));
177 obj.push_back(Pair("search-interval", (int)nLastCoinStakeSearchInterval));
182 Value settxfee(const Array& params, bool fHelp)
184 if (fHelp || params.size() < 1 || params.size() > 1 || AmountFromValue(params[0]) < MIN_TX_FEE)
186 "settxfee <amount>\n"
187 "<amount> is a real and is rounded to the nearest " + FormatMoney(MIN_TX_FEE));
189 nTransactionFee = AmountFromValue(params[0]);
190 nTransactionFee = (nTransactionFee / MIN_TX_FEE) * MIN_TX_FEE; // round to minimum fee
195 Value getrawmempool(const Array& params, bool fHelp)
197 if (fHelp || params.size() != 0)
200 "Returns all transaction ids in memory pool.");
202 vector<uint256> vtxid;
203 mempool.queryHashes(vtxid);
206 BOOST_FOREACH(const uint256& hash, vtxid)
207 a.push_back(hash.ToString());
212 Value getblockhash(const Array& params, bool fHelp)
214 if (fHelp || params.size() != 1)
216 "getblockhash <index>\n"
217 "Returns hash of block in best-block-chain at <index>.");
219 int nHeight = params[0].get_int();
220 if (nHeight < 0 || nHeight > nBestHeight)
221 throw runtime_error("Block number out of range.");
223 CBlockIndex* pblockindex = FindBlockByHeight(nHeight);
224 return pblockindex->phashBlock->GetHex();
227 Value getblock(const Array& params, bool fHelp)
229 if (fHelp || params.size() < 1 || params.size() > 2)
231 "getblock <hash> [txinfo]\n"
232 "txinfo optional to print more detailed tx info\n"
233 "Returns details of a block with given block-hash.");
235 std::string strHash = params[0].get_str();
236 uint256 hash(strHash);
238 if (mapBlockIndex.count(hash) == 0)
239 throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Block not found");
242 CBlockIndex* pblockindex = mapBlockIndex[hash];
243 block.ReadFromDisk(pblockindex, true);
245 return blockToJSON(block, pblockindex, params.size() > 1 ? params[1].get_bool() : false);
248 Value getblockbynumber(const Array& params, bool fHelp)
250 if (fHelp || params.size() < 1 || params.size() > 2)
252 "getblock <number> [txinfo]\n"
253 "txinfo optional to print more detailed tx info\n"
254 "Returns details of a block with given block-number.");
256 int nHeight = params[0].get_int();
257 if (nHeight < 0 || nHeight > nBestHeight)
258 throw runtime_error("Block number out of range.");
261 CBlockIndex* pblockindex = mapBlockIndex[hashBestChain];
262 while (pblockindex->nHeight > nHeight)
263 pblockindex = pblockindex->pprev;
265 uint256 hash = *pblockindex->phashBlock;
267 pblockindex = mapBlockIndex[hash];
268 block.ReadFromDisk(pblockindex, true);
270 return blockToJSON(block, pblockindex, params.size() > 1 ? params[1].get_bool() : false);
273 // get information of sync-checkpoint
274 Value getcheckpoint(const Array& params, bool fHelp)
276 if (fHelp || params.size() != 0)
279 "Show info of synchronized checkpoint.\n");
282 CBlockIndex* pindexCheckpoint;
284 result.push_back(Pair("synccheckpoint", Checkpoints::hashSyncCheckpoint.ToString().c_str()));
285 pindexCheckpoint = mapBlockIndex[Checkpoints::hashSyncCheckpoint];
286 result.push_back(Pair("height", pindexCheckpoint->nHeight));
287 result.push_back(Pair("timestamp", DateTimeStrFormat(pindexCheckpoint->GetBlockTime()).c_str()));
289 if (Checkpoints::checkpointMessage.vchSig.size() != 0)
292 CUnsignedSyncCheckpoint checkpoint;
294 CDataStream sMsg(Checkpoints::checkpointMessage.vchMsg, SER_NETWORK, PROTOCOL_VERSION);
297 Object parsed; // message version and data (block hash)
298 parsed.push_back(Pair("version", checkpoint.nVersion));
299 parsed.push_back(Pair("hash", checkpoint.hashCheckpoint.GetHex().c_str()));
300 msgdata.push_back(Pair("parsed", parsed));
302 Object raw; // raw checkpoint message data
303 raw.push_back(Pair("data", HexStr(Checkpoints::checkpointMessage.vchMsg).c_str()));
304 raw.push_back(Pair("signature", HexStr(Checkpoints::checkpointMessage.vchSig).c_str()));
305 msgdata.push_back(Pair("raw", raw));
307 result.push_back(Pair("data", msgdata));
310 // Check that the block satisfies synchronized checkpoint
311 if (CheckpointsMode == Checkpoints::STRICT)
312 result.push_back(Pair("policy", "strict"));
314 if (CheckpointsMode == Checkpoints::ADVISORY)
315 result.push_back(Pair("policy", "advisory"));
317 if (CheckpointsMode == Checkpoints::PERMISSIVE)
318 result.push_back(Pair("policy", "permissive"));
320 if (mapArgs.count("-checkpointkey"))
321 result.push_back(Pair("checkpointmaster", true));