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-rw-r--r--src/rpcblockchain.cpp165
1 files changed, 165 insertions, 0 deletions
diff --git a/src/rpcblockchain.cpp b/src/rpcblockchain.cpp
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+++ b/src/rpcblockchain.cpp
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+// Copyright (c) 2010 Satoshi Nakamoto
+// Copyright (c) 2009-2012 The Bitcoin developers
+// Distributed under the MIT/X11 software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#include "main.h"
+#include "bitcoinrpc.h"
+
+using namespace json_spirit;
+using namespace std;
+
+double GetDifficulty(const CBlockIndex* blockindex)
+{
+ // Floating point number that is a multiple of the minimum difficulty,
+ // minimum difficulty = 1.0.
+ if (blockindex == NULL)
+ {
+ if (pindexBest == NULL)
+ return 1.0;
+ else
+ blockindex = pindexBest;
+ }
+
+ int nShift = (blockindex->nBits >> 24) & 0xff;
+
+ double dDiff =
+ (double)0x0000ffff / (double)(blockindex->nBits & 0x00ffffff);
+
+ while (nShift < 29)
+ {
+ dDiff *= 256.0;
+ nShift++;
+ }
+ while (nShift > 29)
+ {
+ dDiff /= 256.0;
+ nShift--;
+ }
+
+ return dDiff;
+}
+
+
+Object blockToJSON(const CBlock& block, const CBlockIndex* blockindex)
+{
+ Object result;
+ result.push_back(Pair("hash", block.GetHash().GetHex()));
+ CMerkleTx txGen(block.vtx[0]);
+ txGen.SetMerkleBranch(&block);
+ result.push_back(Pair("confirmations", (int)txGen.GetDepthInMainChain()));
+ result.push_back(Pair("size", (int)::GetSerializeSize(block, SER_NETWORK, PROTOCOL_VERSION)));
+ result.push_back(Pair("height", blockindex->nHeight));
+ result.push_back(Pair("version", block.nVersion));
+ result.push_back(Pair("merkleroot", block.hashMerkleRoot.GetHex()));
+ Array txs;
+ BOOST_FOREACH(const CTransaction&tx, block.vtx)
+ txs.push_back(tx.GetHash().GetHex());
+ result.push_back(Pair("tx", txs));
+ result.push_back(Pair("time", (boost::int64_t)block.GetBlockTime()));
+ result.push_back(Pair("nonce", (boost::uint64_t)block.nNonce));
+ result.push_back(Pair("bits", HexBits(block.nBits)));
+ result.push_back(Pair("difficulty", GetDifficulty(blockindex)));
+
+ if (blockindex->pprev)
+ result.push_back(Pair("previousblockhash", blockindex->pprev->GetBlockHash().GetHex()));
+ if (blockindex->pnext)
+ result.push_back(Pair("nextblockhash", blockindex->pnext->GetBlockHash().GetHex()));
+ return result;
+}
+
+
+Value getblockcount(const Array& params, bool fHelp)
+{
+ if (fHelp || params.size() != 0)
+ throw runtime_error(
+ "getblockcount\n"
+ "Returns the number of blocks in the longest block chain.");
+
+ return nBestHeight;
+}
+
+
+Value getdifficulty(const Array& params, bool fHelp)
+{
+ if (fHelp || params.size() != 0)
+ throw runtime_error(
+ "getdifficulty\n"
+ "Returns the proof-of-work difficulty as a multiple of the minimum difficulty.");
+
+ return GetDifficulty();
+}
+
+
+Value settxfee(const Array& params, bool fHelp)
+{
+ if (fHelp || params.size() < 1 || params.size() > 1)
+ throw runtime_error(
+ "settxfee <amount>\n"
+ "<amount> is a real and is rounded to the nearest 0.00000001");
+
+ // Amount
+ int64 nAmount = 0;
+ if (params[0].get_real() != 0.0)
+ nAmount = AmountFromValue(params[0]); // rejects 0.0 amounts
+
+ nTransactionFee = nAmount;
+ return true;
+}
+
+Value getrawmempool(const Array& params, bool fHelp)
+{
+ if (fHelp || params.size() != 0)
+ throw runtime_error(
+ "getrawmempool\n"
+ "Returns all transaction ids in memory pool.");
+
+ vector<uint256> vtxid;
+ mempool.queryHashes(vtxid);
+
+ Array a;
+ BOOST_FOREACH(const uint256& hash, vtxid)
+ a.push_back(hash.ToString());
+
+ return a;
+}
+
+Value getblockhash(const Array& params, bool fHelp)
+{
+ if (fHelp || params.size() != 1)
+ throw runtime_error(
+ "getblockhash <index>\n"
+ "Returns hash of block in best-block-chain at <index>.");
+
+ int nHeight = params[0].get_int();
+ if (nHeight < 0 || nHeight > nBestHeight)
+ throw runtime_error("Block number out of range.");
+
+ CBlockIndex* pblockindex = FindBlockByHeight(nHeight);
+ return pblockindex->phashBlock->GetHex();
+}
+
+Value getblock(const Array& params, bool fHelp)
+{
+ if (fHelp || params.size() != 1)
+ throw runtime_error(
+ "getblock <hash>\n"
+ "Returns details of a block with given block-hash.");
+
+ std::string strHash = params[0].get_str();
+ uint256 hash(strHash);
+
+ if (mapBlockIndex.count(hash) == 0)
+ throw JSONRPCError(-5, "Block not found");
+
+ CBlock block;
+ CBlockIndex* pblockindex = mapBlockIndex[hash];
+ block.ReadFromDisk(pblockindex, true);
+
+ return blockToJSON(block, pblockindex);
+}
+
+
+
+
+