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-rw-r--r--src/rpc/blockchain.cpp218
1 files changed, 165 insertions, 53 deletions
diff --git a/src/rpc/blockchain.cpp b/src/rpc/blockchain.cpp
index 01066d0eb2..96871ce1dc 100644
--- a/src/rpc/blockchain.cpp
+++ b/src/rpc/blockchain.cpp
@@ -12,6 +12,8 @@
#include "coins.h"
#include "consensus/validation.h"
#include "validation.h"
+#include "core_io.h"
+#include "policy/feerate.h"
#include "policy/policy.h"
#include "primitives/transaction.h"
#include "rpc/server.h"
@@ -42,7 +44,6 @@ static std::condition_variable cond_blockchange;
static CUpdatedBlock latestblock;
extern void TxToJSON(const CTransaction& tx, const uint256 hashBlock, UniValue& entry);
-void ScriptPubKeyToJSON(const CScript& scriptPubKey, UniValue& out, bool fIncludeHex);
double GetDifficulty(const CBlockIndex* blockindex)
{
@@ -123,7 +124,7 @@ UniValue blockToJSON(const CBlock& block, const CBlockIndex* blockindex, bool tx
if(txDetails)
{
UniValue objTx(UniValue::VOBJ);
- TxToJSON(*tx, uint256(), objTx);
+ TxToUniv(*tx, uint256(), objTx);
txs.push_back(objTx);
}
else
@@ -186,7 +187,7 @@ void RPCNotifyBlockChange(bool ibd, const CBlockIndex * pindex)
latestblock.hash = pindex->GetBlockHash();
latestblock.height = pindex->nHeight;
}
- cond_blockchange.notify_all();
+ cond_blockchange.notify_all();
}
UniValue waitfornewblock(const JSONRPCRequest& request)
@@ -412,6 +413,7 @@ UniValue getrawmempool(const JSONRPCRequest& request)
throw std::runtime_error(
"getrawmempool ( verbose )\n"
"\nReturns all transaction ids in memory pool as a json array of string transaction ids.\n"
+ "\nHint: use getmempoolentry to fetch a specific transaction from the mempool.\n"
"\nArguments:\n"
"1. verbose (boolean, optional, default=false) True for a json object, false for array of transaction ids\n"
"\nResult: (for verbose = false):\n"
@@ -686,13 +688,16 @@ UniValue getblock(const JSONRPCRequest& request)
{
if (request.fHelp || request.params.size() < 1 || request.params.size() > 2)
throw std::runtime_error(
- "getblock \"blockhash\" ( verbose )\n"
- "\nIf verbose is false, returns a string that is serialized, hex-encoded data for block 'hash'.\n"
- "If verbose is true, returns an Object with information about block <hash>.\n"
+ "getblock \"blockhash\" ( verbosity ) \n"
+ "\nIf verbosity is 0, returns a string that is serialized, hex-encoded data for block 'hash'.\n"
+ "If verbosity is 1, returns an Object with information about block <hash>.\n"
+ "If verbosity is 2, returns an Object with information about block <hash> and information about each transaction. \n"
"\nArguments:\n"
"1. \"blockhash\" (string, required) The block hash\n"
- "2. verbose (boolean, optional, default=true) true for a json object, false for the hex encoded data\n"
- "\nResult (for verbose = true):\n"
+ "2. verbosity (numeric, optional, default=1) 0 for hex encoded data, 1 for a json object, and 2 for json object with transaction data\n"
+ "\nResult (for verbosity = 0):\n"
+ "\"data\" (string) A string that is serialized, hex-encoded data for block 'hash'.\n"
+ "\nResult (for verbosity = 1):\n"
"{\n"
" \"hash\" : \"hash\", (string) the block hash (same as provided)\n"
" \"confirmations\" : n, (numeric) The number of confirmations, or -1 if the block is not on the main chain\n"
@@ -716,8 +721,14 @@ UniValue getblock(const JSONRPCRequest& request)
" \"previousblockhash\" : \"hash\", (string) The hash of the previous block\n"
" \"nextblockhash\" : \"hash\" (string) The hash of the next block\n"
"}\n"
- "\nResult (for verbose=false):\n"
- "\"data\" (string) A string that is serialized, hex-encoded data for block 'hash'.\n"
+ "\nResult (for verbosity = 2):\n"
+ "{\n"
+ " ..., Same output as verbosity = 1.\n"
+ " \"tx\" : [ (array of Objects) The transactions in the format of the getrawtransaction RPC. Different from verbosity = 1 \"tx\" result.\n"
+ " ,...\n"
+ " ],\n"
+ " ,... Same output as verbosity = 1.\n"
+ "}\n"
"\nExamples:\n"
+ HelpExampleCli("getblock", "\"00000000c937983704a73af28acdec37b049d214adbda81d7e2a3dd146f6ed09\"")
+ HelpExampleRpc("getblock", "\"00000000c937983704a73af28acdec37b049d214adbda81d7e2a3dd146f6ed09\"")
@@ -728,9 +739,13 @@ UniValue getblock(const JSONRPCRequest& request)
std::string strHash = request.params[0].get_str();
uint256 hash(uint256S(strHash));
- bool fVerbose = true;
- if (request.params.size() > 1)
- fVerbose = request.params[1].get_bool();
+ int verbosity = 1;
+ if (request.params.size() > 1) {
+ if(request.params[1].isNum())
+ verbosity = request.params[1].get_int();
+ else
+ verbosity = request.params[1].get_bool() ? 1 : 0;
+ }
if (mapBlockIndex.count(hash) == 0)
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Block not found");
@@ -749,7 +764,7 @@ UniValue getblock(const JSONRPCRequest& request)
// block).
throw JSONRPCError(RPC_MISC_ERROR, "Block not found on disk");
- if (!fVerbose)
+ if (verbosity <= 0)
{
CDataStream ssBlock(SER_NETWORK, PROTOCOL_VERSION | RPCSerializationFlags());
ssBlock << block;
@@ -757,7 +772,7 @@ UniValue getblock(const JSONRPCRequest& request)
return strHex;
}
- return blockToJSON(block, pblockindex);
+ return blockToJSON(block, pblockindex, verbosity >= 2);
}
struct CCoinsStats
@@ -766,13 +781,29 @@ struct CCoinsStats
uint256 hashBlock;
uint64_t nTransactions;
uint64_t nTransactionOutputs;
- uint64_t nSerializedSize;
uint256 hashSerialized;
+ uint64_t nDiskSize;
CAmount nTotalAmount;
- CCoinsStats() : nHeight(0), nTransactions(0), nTransactionOutputs(0), nSerializedSize(0), nTotalAmount(0) {}
+ CCoinsStats() : nHeight(0), nTransactions(0), nTransactionOutputs(0), nTotalAmount(0) {}
};
+static void ApplyStats(CCoinsStats &stats, CHashWriter& ss, const uint256& hash, const std::map<uint32_t, Coin>& outputs)
+{
+ assert(!outputs.empty());
+ ss << hash;
+ ss << VARINT(outputs.begin()->second.nHeight * 2 + outputs.begin()->second.fCoinBase);
+ stats.nTransactions++;
+ for (const auto output : outputs) {
+ ss << VARINT(output.first + 1);
+ ss << *(const CScriptBase*)(&output.second.out.scriptPubKey);
+ ss << VARINT(output.second.out.nValue);
+ stats.nTransactionOutputs++;
+ stats.nTotalAmount += output.second.out.nValue;
+ }
+ ss << VARINT(0);
+}
+
//! Calculate statistics about the unspent transaction output set
static bool GetUTXOStats(CCoinsView *view, CCoinsStats &stats)
{
@@ -785,32 +816,29 @@ static bool GetUTXOStats(CCoinsView *view, CCoinsStats &stats)
stats.nHeight = mapBlockIndex.find(stats.hashBlock)->second->nHeight;
}
ss << stats.hashBlock;
- CAmount nTotalAmount = 0;
+ uint256 prevkey;
+ std::map<uint32_t, Coin> outputs;
while (pcursor->Valid()) {
boost::this_thread::interruption_point();
- uint256 key;
- CCoins coins;
- if (pcursor->GetKey(key) && pcursor->GetValue(coins)) {
- stats.nTransactions++;
- ss << key;
- for (unsigned int i=0; i<coins.vout.size(); i++) {
- const CTxOut &out = coins.vout[i];
- if (!out.IsNull()) {
- stats.nTransactionOutputs++;
- ss << VARINT(i+1);
- ss << out;
- nTotalAmount += out.nValue;
- }
+ COutPoint key;
+ Coin coin;
+ if (pcursor->GetKey(key) && pcursor->GetValue(coin)) {
+ if (!outputs.empty() && key.hash != prevkey) {
+ ApplyStats(stats, ss, prevkey, outputs);
+ outputs.clear();
}
- stats.nSerializedSize += 32 + pcursor->GetValueSize();
- ss << VARINT(0);
+ prevkey = key.hash;
+ outputs[key.n] = std::move(coin);
} else {
return error("%s: unable to read value", __func__);
}
pcursor->Next();
}
+ if (!outputs.empty()) {
+ ApplyStats(stats, ss, prevkey, outputs);
+ }
stats.hashSerialized = ss.GetHash();
- stats.nTotalAmount = nTotalAmount;
+ stats.nDiskSize = view->EstimateSize();
return true;
}
@@ -876,8 +904,8 @@ UniValue gettxoutsetinfo(const JSONRPCRequest& request)
" \"bestblock\": \"hex\", (string) the best block hash hex\n"
" \"transactions\": n, (numeric) The number of transactions\n"
" \"txouts\": n, (numeric) The number of output transactions\n"
- " \"bytes_serialized\": n, (numeric) The serialized size\n"
" \"hash_serialized\": \"hash\", (string) The serialized hash\n"
+ " \"disk_size\": n, (numeric) The estimated size of the chainstate on disk\n"
" \"total_amount\": x.xxx (numeric) The total amount\n"
"}\n"
"\nExamples:\n"
@@ -894,8 +922,8 @@ UniValue gettxoutsetinfo(const JSONRPCRequest& request)
ret.push_back(Pair("bestblock", stats.hashBlock.GetHex()));
ret.push_back(Pair("transactions", (int64_t)stats.nTransactions));
ret.push_back(Pair("txouts", (int64_t)stats.nTransactionOutputs));
- ret.push_back(Pair("bytes_serialized", (int64_t)stats.nSerializedSize));
- ret.push_back(Pair("hash_serialized", stats.hashSerialized.GetHex()));
+ ret.push_back(Pair("hash_serialized_2", stats.hashSerialized.GetHex()));
+ ret.push_back(Pair("disk_size", stats.nDiskSize));
ret.push_back(Pair("total_amount", ValueFromAmount(stats.nTotalAmount)));
} else {
throw JSONRPCError(RPC_INTERNAL_ERROR, "Unable to read UTXO set");
@@ -948,37 +976,37 @@ UniValue gettxout(const JSONRPCRequest& request)
std::string strHash = request.params[0].get_str();
uint256 hash(uint256S(strHash));
int n = request.params[1].get_int();
+ COutPoint out(hash, n);
bool fMempool = true;
if (request.params.size() > 2)
fMempool = request.params[2].get_bool();
- CCoins coins;
+ Coin coin;
if (fMempool) {
LOCK(mempool.cs);
CCoinsViewMemPool view(pcoinsTip, mempool);
- if (!view.GetCoins(hash, coins))
+ if (!view.GetCoin(out, coin) || mempool.isSpent(out)) { // TODO: filtering spent coins should be done by the CCoinsViewMemPool
return NullUniValue;
- mempool.pruneSpent(hash, coins); // TODO: this should be done by the CCoinsViewMemPool
+ }
} else {
- if (!pcoinsTip->GetCoins(hash, coins))
+ if (!pcoinsTip->GetCoin(out, coin)) {
return NullUniValue;
+ }
}
- if (n<0 || (unsigned int)n>=coins.vout.size() || coins.vout[n].IsNull())
- return NullUniValue;
BlockMap::iterator it = mapBlockIndex.find(pcoinsTip->GetBestBlock());
CBlockIndex *pindex = it->second;
ret.push_back(Pair("bestblock", pindex->GetBlockHash().GetHex()));
- if ((unsigned int)coins.nHeight == MEMPOOL_HEIGHT)
+ if (coin.nHeight == MEMPOOL_HEIGHT) {
ret.push_back(Pair("confirmations", 0));
- else
- ret.push_back(Pair("confirmations", pindex->nHeight - coins.nHeight + 1));
- ret.push_back(Pair("value", ValueFromAmount(coins.vout[n].nValue)));
+ } else {
+ ret.push_back(Pair("confirmations", (int64_t)(pindex->nHeight - coin.nHeight + 1)));
+ }
+ ret.push_back(Pair("value", ValueFromAmount(coin.out.nValue)));
UniValue o(UniValue::VOBJ);
- ScriptPubKeyToJSON(coins.vout[n].scriptPubKey, o, true);
+ ScriptPubKeyToUniv(coin.out.scriptPubKey, o, true);
ret.push_back(Pair("scriptPubKey", o));
- ret.push_back(Pair("version", coins.nVersion));
- ret.push_back(Pair("coinbase", coins.fCoinBase));
+ ret.push_back(Pair("coinbase", (bool)coin.fCoinBase));
return ret;
}
@@ -1059,6 +1087,17 @@ static UniValue BIP9SoftForkDesc(const Consensus::Params& consensusParams, Conse
rv.push_back(Pair("startTime", consensusParams.vDeployments[id].nStartTime));
rv.push_back(Pair("timeout", consensusParams.vDeployments[id].nTimeout));
rv.push_back(Pair("since", VersionBitsTipStateSinceHeight(consensusParams, id)));
+ if (THRESHOLD_STARTED == thresholdState)
+ {
+ UniValue statsUV(UniValue::VOBJ);
+ BIP9Stats statsStruct = VersionBitsTipStatistics(consensusParams, id);
+ statsUV.push_back(Pair("period", statsStruct.period));
+ statsUV.push_back(Pair("threshold", statsStruct.threshold));
+ statsUV.push_back(Pair("elapsed", statsStruct.elapsed));
+ statsUV.push_back(Pair("count", statsStruct.count));
+ statsUV.push_back(Pair("possible", statsStruct.possible));
+ rv.push_back(Pair("statistics", statsUV));
+ }
return rv;
}
@@ -1104,7 +1143,14 @@ UniValue getblockchaininfo(const JSONRPCRequest& request)
" \"bit\": xx, (numeric) the bit (0-28) in the block version field used to signal this softfork (only for \"started\" status)\n"
" \"startTime\": xx, (numeric) the minimum median time past of a block at which the bit gains its meaning\n"
" \"timeout\": xx, (numeric) the median time past of a block at which the deployment is considered failed if not yet locked in\n"
- " \"since\": xx (numeric) height of the first block to which the status applies\n"
+ " \"since\": xx, (numeric) height of the first block to which the status applies\n"
+ " \"statistics\": { (object) numeric statistics about BIP9 signalling for a softfork (only for \"started\" status)\n"
+ " \"period\": xx, (numeric) the length in blocks of the BIP9 signalling period \n"
+ " \"threshold\": xx, (numeric) the number of blocks with the version bit set required to activate the feature \n"
+ " \"elapsed\": xx, (numeric) the number of blocks elapsed since the beginning of the current period \n"
+ " \"count\": xx, (numeric) the number of blocks with the version bit set in the current period \n"
+ " \"possible\": xx (boolean) returns false if there are not enough blocks left in this period to pass activation threshold \n"
+ " }\n"
" }\n"
" }\n"
"}\n"
@@ -1292,7 +1338,7 @@ UniValue getmempoolinfo(const JSONRPCRequest& request)
" \"bytes\": xxxxx, (numeric) Sum of all virtual transaction sizes as defined in BIP 141. Differs from actual serialized size because witness data is discounted\n"
" \"usage\": xxxxx, (numeric) Total memory usage for the mempool\n"
" \"maxmempool\": xxxxx, (numeric) Maximum memory usage for the mempool\n"
- " \"mempoolminfee\": xxxxx (numeric) Minimum fee for tx to be accepted\n"
+ " \"mempoolminfee\": xxxxx (numeric) Minimum feerate (" + CURRENCY_UNIT + " per KB) for tx to be accepted\n"
"}\n"
"\nExamples:\n"
+ HelpExampleCli("getmempoolinfo", "")
@@ -1415,13 +1461,79 @@ UniValue reconsiderblock(const JSONRPCRequest& request)
return NullUniValue;
}
+UniValue getchaintxstats(const JSONRPCRequest& request)
+{
+ if (request.fHelp || request.params.size() > 2)
+ throw std::runtime_error(
+ "getchaintxstats ( nblocks blockhash )\n"
+ "\nCompute statistics about the total number and rate of transactions in the chain.\n"
+ "\nArguments:\n"
+ "1. nblocks (numeric, optional) Size of the window in number of blocks (default: one month).\n"
+ "2. \"blockhash\" (string, optional) The hash of the block that ends the window.\n"
+ "\nResult:\n"
+ "{\n"
+ " \"time\": xxxxx, (numeric) The timestamp for the statistics in UNIX format.\n"
+ " \"txcount\": xxxxx, (numeric) The total number of transactions in the chain up to that point.\n"
+ " \"txrate\": x.xx, (numeric) The average rate of transactions per second in the window.\n"
+ "}\n"
+ "\nExamples:\n"
+ + HelpExampleCli("getchaintxstats", "")
+ + HelpExampleRpc("getchaintxstats", "2016")
+ );
+
+ const CBlockIndex* pindex;
+ int blockcount = 30 * 24 * 60 * 60 / Params().GetConsensus().nPowTargetSpacing; // By default: 1 month
+
+ if (request.params.size() > 0 && !request.params[0].isNull()) {
+ blockcount = request.params[0].get_int();
+ }
+
+ bool havehash = request.params.size() > 1 && !request.params[1].isNull();
+ uint256 hash;
+ if (havehash) {
+ hash = uint256S(request.params[1].get_str());
+ }
+
+ {
+ LOCK(cs_main);
+ if (havehash) {
+ auto it = mapBlockIndex.find(hash);
+ if (it == mapBlockIndex.end()) {
+ throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Block not found");
+ }
+ pindex = it->second;
+ if (!chainActive.Contains(pindex)) {
+ throw JSONRPCError(RPC_INVALID_PARAMETER, "Block is not in main chain");
+ }
+ } else {
+ pindex = chainActive.Tip();
+ }
+ }
+
+ if (blockcount < 1 || blockcount >= pindex->nHeight) {
+ throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid block count: should be between 1 and the block's height");
+ }
+
+ const CBlockIndex* pindexPast = pindex->GetAncestor(pindex->nHeight - blockcount);
+ int nTimeDiff = pindex->GetMedianTimePast() - pindexPast->GetMedianTimePast();
+ int nTxDiff = pindex->nChainTx - pindexPast->nChainTx;
+
+ UniValue ret(UniValue::VOBJ);
+ ret.push_back(Pair("time", (int64_t)pindex->nTime));
+ ret.push_back(Pair("txcount", (int64_t)pindex->nChainTx));
+ ret.push_back(Pair("txrate", ((double)nTxDiff) / nTimeDiff));
+
+ return ret;
+}
+
static const CRPCCommand commands[] =
{ // category name actor (function) okSafe argNames
// --------------------- ------------------------ ----------------------- ------ ----------
{ "blockchain", "getblockchaininfo", &getblockchaininfo, true, {} },
+ { "blockchain", "getchaintxstats", &getchaintxstats, true, {"nblocks", "blockhash"} },
{ "blockchain", "getbestblockhash", &getbestblockhash, true, {} },
{ "blockchain", "getblockcount", &getblockcount, true, {} },
- { "blockchain", "getblock", &getblock, true, {"blockhash","verbose"} },
+ { "blockchain", "getblock", &getblock, true, {"blockhash","verbosity|verbose"} },
{ "blockchain", "getblockhash", &getblockhash, true, {"height"} },
{ "blockchain", "getblockheader", &getblockheader, true, {"blockhash","verbose"} },
{ "blockchain", "getchaintips", &getchaintips, true, {} },