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461 lines
18 KiB
461 lines
18 KiB
// Copyright (c) 2010 Satoshi Nakamoto |
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// Copyright (c) 2009-2013 The Bitcoin developers |
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// Distributed under the MIT/X11 software license, see the accompanying |
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// file COPYING or http://www.opensource.org/licenses/mit-license.php. |
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#include "checkpoints.h" |
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#include "main.h" |
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#include "rpcserver.h" |
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#include "sync.h" |
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#include <stdint.h> |
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#include "json/json_spirit_value.h" |
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using namespace json_spirit; |
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using namespace std; |
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void ScriptPubKeyToJSON(const CScript& scriptPubKey, Object& out, bool fIncludeHex); |
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double GetDifficulty(const CBlockIndex* blockindex) |
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{ |
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// Floating point number that is a multiple of the minimum difficulty, |
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// minimum difficulty = 1.0. |
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if (blockindex == NULL) |
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{ |
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if (chainActive.Tip() == NULL) |
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return 1.0; |
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else |
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blockindex = chainActive.Tip(); |
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} |
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int nShift = (blockindex->nBits >> 24) & 0xff; |
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double dDiff = |
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(double)0x0000ffff / (double)(blockindex->nBits & 0x00ffffff); |
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while (nShift < 29) |
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{ |
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dDiff *= 256.0; |
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nShift++; |
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} |
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while (nShift > 29) |
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{ |
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dDiff /= 256.0; |
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nShift--; |
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} |
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return dDiff; |
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} |
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Object blockToJSON(const CBlock& block, const CBlockIndex* blockindex) |
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{ |
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Object result; |
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result.push_back(Pair("hash", block.GetHash().GetHex())); |
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CMerkleTx txGen(block.vtx[0]); |
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txGen.SetMerkleBranch(&block); |
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result.push_back(Pair("confirmations", (int)txGen.GetDepthInMainChain())); |
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result.push_back(Pair("size", (int)::GetSerializeSize(block, SER_NETWORK, PROTOCOL_VERSION))); |
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result.push_back(Pair("height", blockindex->nHeight)); |
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result.push_back(Pair("version", block.nVersion)); |
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result.push_back(Pair("merkleroot", block.hashMerkleRoot.GetHex())); |
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Array txs; |
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BOOST_FOREACH(const CTransaction&tx, block.vtx) |
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txs.push_back(tx.GetHash().GetHex()); |
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result.push_back(Pair("tx", txs)); |
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result.push_back(Pair("time", block.GetBlockTime())); |
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result.push_back(Pair("nonce", (uint64_t)block.nNonce)); |
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result.push_back(Pair("bits", HexBits(block.nBits))); |
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result.push_back(Pair("difficulty", GetDifficulty(blockindex))); |
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result.push_back(Pair("chainwork", blockindex->nChainWork.GetHex())); |
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if (blockindex->pprev) |
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result.push_back(Pair("previousblockhash", blockindex->pprev->GetBlockHash().GetHex())); |
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CBlockIndex *pnext = chainActive.Next(blockindex); |
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if (pnext) |
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result.push_back(Pair("nextblockhash", pnext->GetBlockHash().GetHex())); |
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return result; |
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} |
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Value getblockcount(const Array& params, bool fHelp) |
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{ |
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if (fHelp || params.size() != 0) |
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throw runtime_error( |
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"getblockcount\n" |
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"\nReturns the number of blocks in the longest block chain.\n" |
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"\nResult:\n" |
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"n (numeric) The current block count\n" |
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"\nExamples:\n" |
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+ HelpExampleCli("getblockcount", "") |
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+ HelpExampleRpc("getblockcount", "") |
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); |
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return chainActive.Height(); |
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} |
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Value getbestblockhash(const Array& params, bool fHelp) |
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{ |
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if (fHelp || params.size() != 0) |
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throw runtime_error( |
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"getbestblockhash\n" |
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"\nReturns the hash of the best (tip) block in the longest block chain.\n" |
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"\nResult\n" |
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"\"hex\" (string) the block hash hex encoded\n" |
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"\nExamples\n" |
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+ HelpExampleCli("getbestblockhash", "") |
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+ HelpExampleRpc("getbestblockhash", "") |
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); |
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return chainActive.Tip()->GetBlockHash().GetHex(); |
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} |
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Value getdifficulty(const Array& params, bool fHelp) |
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{ |
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if (fHelp || params.size() != 0) |
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throw runtime_error( |
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"getdifficulty\n" |
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"\nReturns the proof-of-work difficulty as a multiple of the minimum difficulty.\n" |
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"\nResult:\n" |
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"n.nnn (numeric) the proof-of-work difficulty as a multiple of the minimum difficulty.\n" |
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"\nExamples:\n" |
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+ HelpExampleCli("getdifficulty", "") |
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+ HelpExampleRpc("getdifficulty", "") |
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); |
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return GetDifficulty(); |
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} |
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Value getrawmempool(const Array& params, bool fHelp) |
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{ |
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if (fHelp || params.size() > 1) |
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throw runtime_error( |
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"getrawmempool ( verbose )\n" |
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"\nReturns all transaction ids in memory pool as a json array of string transaction ids.\n" |
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"\nArguments:\n" |
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"1. verbose (boolean, optional, default=false) true for a json object, false for array of transaction ids\n" |
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"\nResult: (for verbose = false):\n" |
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"[ (json array of string)\n" |
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" \"transactionid\" (string) The transaction id\n" |
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" ,...\n" |
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"]\n" |
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"\nResult: (for verbose = true):\n" |
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"{ (json object)\n" |
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" \"transactionid\" : { (json object)\n" |
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" \"size\" : n, (numeric) transaction size in bytes\n" |
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" \"fee\" : n, (numeric) transaction fee in bitcoins\n" |
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" \"time\" : n, (numeric) local time transaction entered pool in seconds since 1 Jan 1970 GMT\n" |
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" \"height\" : n, (numeric) block height when transaction entered pool\n" |
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" \"startingpriority\" : n, (numeric) priority when transaction entered pool\n" |
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" \"currentpriority\" : n, (numeric) transaction priority now\n" |
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" \"depends\" : [ (array) unconfirmed transactions used as inputs for this transaction\n" |
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" \"transactionid\", (string) parent transaction id\n" |
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" ... ]\n" |
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" }, ...\n" |
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"]\n" |
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"\nExamples\n" |
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+ HelpExampleCli("getrawmempool", "true") |
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+ HelpExampleRpc("getrawmempool", "true") |
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); |
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bool fVerbose = false; |
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if (params.size() > 0) |
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fVerbose = params[0].get_bool(); |
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if (fVerbose) |
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{ |
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LOCK(mempool.cs); |
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Object o; |
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BOOST_FOREACH(const PAIRTYPE(uint256, CTxMemPoolEntry)& entry, mempool.mapTx) |
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{ |
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const uint256& hash = entry.first; |
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const CTxMemPoolEntry& e = entry.second; |
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Object info; |
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info.push_back(Pair("size", (int)e.GetTxSize())); |
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info.push_back(Pair("fee", ValueFromAmount(e.GetFee()))); |
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info.push_back(Pair("time", e.GetTime())); |
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info.push_back(Pair("height", (int)e.GetHeight())); |
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info.push_back(Pair("startingpriority", e.GetPriority(e.GetHeight()))); |
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info.push_back(Pair("currentpriority", e.GetPriority(chainActive.Height()))); |
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const CTransaction& tx = e.GetTx(); |
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set<string> setDepends; |
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BOOST_FOREACH(const CTxIn& txin, tx.vin) |
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{ |
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if (mempool.exists(txin.prevout.hash)) |
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setDepends.insert(txin.prevout.hash.ToString()); |
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} |
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Array depends(setDepends.begin(), setDepends.end()); |
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info.push_back(Pair("depends", depends)); |
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o.push_back(Pair(hash.ToString(), info)); |
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} |
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return o; |
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} |
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else |
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{ |
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vector<uint256> vtxid; |
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mempool.queryHashes(vtxid); |
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Array a; |
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BOOST_FOREACH(const uint256& hash, vtxid) |
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a.push_back(hash.ToString()); |
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return a; |
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} |
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} |
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Value getblockhash(const Array& params, bool fHelp) |
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{ |
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if (fHelp || params.size() != 1) |
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throw runtime_error( |
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"getblockhash index\n" |
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"\nReturns hash of block in best-block-chain at index provided.\n" |
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"\nArguments:\n" |
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"1. index (numeric, required) The block index\n" |
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"\nResult:\n" |
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"\"hash\" (string) The block hash\n" |
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"\nExamples:\n" |
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+ HelpExampleCli("getblockhash", "1000") |
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+ HelpExampleRpc("getblockhash", "1000") |
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); |
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int nHeight = params[0].get_int(); |
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if (nHeight < 0 || nHeight > chainActive.Height()) |
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throw runtime_error("Block number out of range."); |
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CBlockIndex* pblockindex = chainActive[nHeight]; |
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return pblockindex->GetBlockHash().GetHex(); |
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} |
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Value getblock(const Array& params, bool fHelp) |
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{ |
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if (fHelp || params.size() < 1 || params.size() > 2) |
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throw runtime_error( |
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"getblock \"hash\" ( verbose )\n" |
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"\nIf verbose is false, returns a string that is serialized, hex-encoded data for block 'hash'.\n" |
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"If verbose is true, returns an Object with information about block <hash>.\n" |
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"\nArguments:\n" |
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"1. \"hash\" (string, required) The block hash\n" |
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"2. verbose (boolean, optional, default=true) true for a json object, false for the hex encoded data\n" |
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"\nResult (for verbose = true):\n" |
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"{\n" |
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" \"hash\" : \"hash\", (string) the block hash (same as provided)\n" |
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" \"confirmations\" : n, (numeric) The number of confirmations\n" |
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" \"size\" : n, (numeric) The block size\n" |
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" \"height\" : n, (numeric) The block height or index\n" |
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" \"version\" : n, (numeric) The block version\n" |
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" \"merkleroot\" : \"xxxx\", (string) The merkle root\n" |
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" \"tx\" : [ (array of string) The transaction ids\n" |
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" \"transactionid\" (string) The transaction id\n" |
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" ,...\n" |
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" ],\n" |
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" \"time\" : ttt, (numeric) The block time in seconds since epoch (Jan 1 1970 GMT)\n" |
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" \"nonce\" : n, (numeric) The nonce\n" |
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" \"bits\" : \"1d00ffff\", (string) The bits\n" |
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" \"difficulty\" : x.xxx, (numeric) The difficulty\n" |
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" \"previousblockhash\" : \"hash\", (string) The hash of the previous block\n" |
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" \"nextblockhash\" : \"hash\" (string) The hash of the next block\n" |
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"}\n" |
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"\nResult (for verbose=false):\n" |
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"\"data\" (string) A string that is serialized, hex-encoded data for block 'hash'.\n" |
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"\nExamples:\n" |
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+ HelpExampleCli("getblock", "\"00000000c937983704a73af28acdec37b049d214adbda81d7e2a3dd146f6ed09\"") |
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+ HelpExampleRpc("getblock", "\"00000000c937983704a73af28acdec37b049d214adbda81d7e2a3dd146f6ed09\"") |
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); |
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std::string strHash = params[0].get_str(); |
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uint256 hash(strHash); |
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bool fVerbose = true; |
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if (params.size() > 1) |
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fVerbose = params[1].get_bool(); |
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if (mapBlockIndex.count(hash) == 0) |
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throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Block not found"); |
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CBlock block; |
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CBlockIndex* pblockindex = mapBlockIndex[hash]; |
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ReadBlockFromDisk(block, pblockindex); |
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if (!fVerbose) |
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{ |
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CDataStream ssBlock(SER_NETWORK, PROTOCOL_VERSION); |
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ssBlock << block; |
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std::string strHex = HexStr(ssBlock.begin(), ssBlock.end()); |
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return strHex; |
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} |
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return blockToJSON(block, pblockindex); |
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} |
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Value gettxoutsetinfo(const Array& params, bool fHelp) |
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{ |
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if (fHelp || params.size() != 0) |
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throw runtime_error( |
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"gettxoutsetinfo\n" |
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"\nReturns statistics about the unspent transaction output set.\n" |
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"Note this call may take some time.\n" |
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"\nResult:\n" |
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"{\n" |
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" \"height\":n, (numeric) The current block height (index)\n" |
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" \"bestblock\": \"hex\", (string) the best block hash hex\n" |
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" \"transactions\": n, (numeric) The number of transactions\n" |
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" \"txouts\": n, (numeric) The number of output transactions\n" |
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" \"bytes_serialized\": n, (numeric) The serialized size\n" |
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" \"hash_serialized\": \"hash\", (string) The serialized hash\n" |
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" \"total_amount\": x.xxx (numeric) The total amount\n" |
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"}\n" |
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"\nExamples:\n" |
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+ HelpExampleCli("gettxoutsetinfo", "") |
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+ HelpExampleRpc("gettxoutsetinfo", "") |
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); |
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Object ret; |
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CCoinsStats stats; |
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if (pcoinsTip->GetStats(stats)) { |
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ret.push_back(Pair("height", (int64_t)stats.nHeight)); |
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ret.push_back(Pair("bestblock", stats.hashBlock.GetHex())); |
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ret.push_back(Pair("transactions", (int64_t)stats.nTransactions)); |
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ret.push_back(Pair("txouts", (int64_t)stats.nTransactionOutputs)); |
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ret.push_back(Pair("bytes_serialized", (int64_t)stats.nSerializedSize)); |
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ret.push_back(Pair("hash_serialized", stats.hashSerialized.GetHex())); |
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ret.push_back(Pair("total_amount", ValueFromAmount(stats.nTotalAmount))); |
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} |
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return ret; |
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} |
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Value gettxout(const Array& params, bool fHelp) |
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{ |
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if (fHelp || params.size() < 2 || params.size() > 3) |
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throw runtime_error( |
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"gettxout \"txid\" n ( includemempool )\n" |
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"\nReturns details about an unspent transaction output.\n" |
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"\nArguments:\n" |
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"1. \"txid\" (string, required) The transaction id\n" |
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"2. n (numeric, required) vout value\n" |
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"3. includemempool (boolean, optional) Whether to included the mem pool\n" |
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"\nResult:\n" |
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"{\n" |
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" \"bestblock\" : \"hash\", (string) the block hash\n" |
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" \"confirmations\" : n, (numeric) The number of confirmations\n" |
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" \"value\" : x.xxx, (numeric) The transaction value in btc\n" |
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" \"scriptPubKey\" : { (json object)\n" |
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" \"asm\" : \"code\", (string) \n" |
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" \"hex\" : \"hex\", (string) \n" |
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" \"reqSigs\" : n, (numeric) Number of required signatures\n" |
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" \"type\" : \"pubkeyhash\", (string) The type, eg pubkeyhash\n" |
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" \"addresses\" : [ (array of string) array of bitcoin addresses\n" |
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" \"bitcoinaddress\" (string) bitcoin address\n" |
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" ,...\n" |
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" ]\n" |
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" },\n" |
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" \"version\" : n, (numeric) The version\n" |
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" \"coinbase\" : true|false (boolean) Coinbase or not\n" |
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"}\n" |
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"\nExamples:\n" |
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"\nGet unspent transactions\n" |
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+ HelpExampleCli("listunspent", "") + |
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"\nView the details\n" |
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+ HelpExampleCli("gettxout", "\"txid\" 1") + |
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"\nAs a json rpc call\n" |
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+ HelpExampleRpc("gettxout", "\"txid\", 1") |
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); |
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Object ret; |
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std::string strHash = params[0].get_str(); |
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uint256 hash(strHash); |
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int n = params[1].get_int(); |
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bool fMempool = true; |
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if (params.size() > 2) |
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fMempool = params[2].get_bool(); |
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CCoins coins; |
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if (fMempool) { |
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LOCK(mempool.cs); |
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CCoinsViewMemPool view(*pcoinsTip, mempool); |
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if (!view.GetCoins(hash, coins)) |
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return Value::null; |
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mempool.pruneSpent(hash, coins); // TODO: this should be done by the CCoinsViewMemPool |
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} else { |
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if (!pcoinsTip->GetCoins(hash, coins)) |
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return Value::null; |
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} |
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if (n<0 || (unsigned int)n>=coins.vout.size() || coins.vout[n].IsNull()) |
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return Value::null; |
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std::map<uint256, CBlockIndex*>::iterator it = mapBlockIndex.find(pcoinsTip->GetBestBlock()); |
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CBlockIndex *pindex = it->second; |
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ret.push_back(Pair("bestblock", pindex->GetBlockHash().GetHex())); |
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if ((unsigned int)coins.nHeight == MEMPOOL_HEIGHT) |
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ret.push_back(Pair("confirmations", 0)); |
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else |
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ret.push_back(Pair("confirmations", pindex->nHeight - coins.nHeight + 1)); |
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ret.push_back(Pair("value", ValueFromAmount(coins.vout[n].nValue))); |
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Object o; |
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ScriptPubKeyToJSON(coins.vout[n].scriptPubKey, o, true); |
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ret.push_back(Pair("scriptPubKey", o)); |
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ret.push_back(Pair("version", coins.nVersion)); |
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ret.push_back(Pair("coinbase", coins.fCoinBase)); |
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return ret; |
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} |
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Value verifychain(const Array& params, bool fHelp) |
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{ |
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if (fHelp || params.size() > 2) |
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throw runtime_error( |
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"verifychain ( checklevel numblocks )\n" |
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"\nVerifies blockchain database.\n" |
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"\nArguments:\n" |
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"1. checklevel (numeric, optional, 0-4, default=3) How thorough the block verification is.\n" |
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"2. numblocks (numeric, optional, default=288, 0=all) The number of blocks to check.\n" |
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"\nResult:\n" |
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"true|false (boolean) Verified or not\n" |
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"\nExamples:\n" |
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+ HelpExampleCli("verifychain", "") |
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+ HelpExampleRpc("verifychain", "") |
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); |
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int nCheckLevel = GetArg("-checklevel", 3); |
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int nCheckDepth = GetArg("-checkblocks", 288); |
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if (params.size() > 0) |
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nCheckLevel = params[0].get_int(); |
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if (params.size() > 1) |
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nCheckDepth = params[1].get_int(); |
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return CVerifyDB().VerifyDB(nCheckLevel, nCheckDepth); |
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} |
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Value getblockchaininfo(const Array& params, bool fHelp) |
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{ |
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if (fHelp || params.size() != 0) |
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throw runtime_error( |
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"getblockchaininfo\n" |
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"Returns an object containing various state info regarding block chain processing.\n" |
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"\nResult:\n" |
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"{\n" |
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" \"chain\": \"xxxx\", (string) current chain (main, testnet3, regtest)\n" |
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" \"blocks\": xxxxxx, (numeric) the current number of blocks processed in the server\n" |
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" \"bestblockhash\": \"...\", (string) the hash of the currently best block\n" |
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" \"difficulty\": xxxxxx, (numeric) the current difficulty\n" |
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" \"verificationprogress\": xxxx, (numeric) estimate of verification progress [0..1]\n" |
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" \"chainwork\": \"xxxx\" (string) total amount of work in active chain, in hexadecimal\n" |
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"}\n" |
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"\nExamples:\n" |
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+ HelpExampleCli("getblockchaininfo", "") |
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+ HelpExampleRpc("getblockchaininfo", "") |
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); |
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Object obj; |
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obj.push_back(Pair("chain", Params().NetworkIDString())); |
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obj.push_back(Pair("blocks", (int)chainActive.Height())); |
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obj.push_back(Pair("bestblockhash", chainActive.Tip()->GetBlockHash().GetHex())); |
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obj.push_back(Pair("difficulty", (double)GetDifficulty())); |
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obj.push_back(Pair("verificationprogress", Checkpoints::GuessVerificationProgress(chainActive.Tip()))); |
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obj.push_back(Pair("chainwork", chainActive.Tip()->nChainWork.GetHex())); |
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return obj; |
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}
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