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-rw-r--r--src/rpc/blockchain.cpp215
1 files changed, 162 insertions, 53 deletions
diff --git a/src/rpc/blockchain.cpp b/src/rpc/blockchain.cpp
index d35f458b2e..56018caf24 100644
--- a/src/rpc/blockchain.cpp
+++ b/src/rpc/blockchain.cpp
@@ -7,13 +7,14 @@
#include <amount.h>
#include <base58.h>
+#include <blockfilter.h>
#include <chain.h>
#include <chainparams.h>
-#include <checkpoints.h>
#include <coins.h>
#include <consensus/validation.h>
#include <core_io.h>
#include <hash.h>
+#include <index/blockfilterindex.h>
#include <index/txindex.h>
#include <key_io.h>
#include <policy/feerate.h>
@@ -27,8 +28,10 @@
#include <sync.h>
#include <txdb.h>
#include <txmempool.h>
+#include <undo.h>
#include <util/strencodings.h>
#include <util/system.h>
+#include <util/validation.h>
#include <validation.h>
#include <validationinterface.h>
#include <versionbitsinfo.h>
@@ -91,6 +94,9 @@ static int ComputeNextBlockAndDepth(const CBlockIndex* tip, const CBlockIndex* b
UniValue blockheaderToJSON(const CBlockIndex* tip, const CBlockIndex* blockindex)
{
+ // Serialize passed information without accessing chain state of the active chain!
+ AssertLockNotHeld(cs_main); // For performance reasons
+
UniValue result(UniValue::VOBJ);
result.pushKV("hash", blockindex->GetBlockHash().GetHex());
const CBlockIndex* pnext;
@@ -117,6 +123,9 @@ UniValue blockheaderToJSON(const CBlockIndex* tip, const CBlockIndex* blockindex
UniValue blockToJSON(const CBlock& block, const CBlockIndex* tip, const CBlockIndex* blockindex, bool txDetails)
{
+ // Serialize passed information without accessing chain state of the active chain!
+ AssertLockNotHeld(cs_main); // For performance reasons
+
UniValue result(UniValue::VOBJ);
result.pushKV("hash", blockindex->GetBlockHash().GetHex());
const CBlockIndex* pnext;
@@ -174,7 +183,7 @@ static UniValue getblockcount(const JSONRPCRequest& request)
}.ToString());
LOCK(cs_main);
- return chainActive.Height();
+ return ::ChainActive().Height();
}
static UniValue getbestblockhash(const JSONRPCRequest& request)
@@ -194,7 +203,7 @@ static UniValue getbestblockhash(const JSONRPCRequest& request)
}.ToString());
LOCK(cs_main);
- return chainActive.Tip()->GetBlockHash().GetHex();
+ return ::ChainActive().Tip()->GetBlockHash().GetHex();
}
void RPCNotifyBlockChange(bool ibd, const CBlockIndex * pindex)
@@ -373,7 +382,7 @@ static UniValue getdifficulty(const JSONRPCRequest& request)
}.ToString());
LOCK(cs_main);
- return GetDifficulty(chainActive.Tip());
+ return GetDifficulty(::ChainActive().Tip());
}
static std::string EntryDescriptionString()
@@ -477,7 +486,10 @@ UniValue MempoolToJSON(const CTxMemPool& pool, bool verbose)
const uint256& hash = e.GetTx().GetHash();
UniValue info(UniValue::VOBJ);
entryToJSON(pool, info, e);
- o.pushKV(hash.ToString(), info);
+ // Mempool has unique entries so there is no advantage in using
+ // UniValue::pushKV, which checks if the key already exists in O(N).
+ // UniValue::__pushKV is used instead which currently is O(1).
+ o.__pushKV(hash.ToString(), info);
}
return o;
} else {
@@ -724,10 +736,10 @@ static UniValue getblockhash(const JSONRPCRequest& request)
LOCK(cs_main);
int nHeight = request.params[0].get_int();
- if (nHeight < 0 || nHeight > chainActive.Height())
+ if (nHeight < 0 || nHeight > ::ChainActive().Height())
throw JSONRPCError(RPC_INVALID_PARAMETER, "Block height out of range");
- CBlockIndex* pblockindex = chainActive[nHeight];
+ CBlockIndex* pblockindex = ::ChainActive()[nHeight];
return pblockindex->GetBlockHash().GetHex();
}
@@ -783,7 +795,7 @@ static UniValue getblockheader(const JSONRPCRequest& request)
{
LOCK(cs_main);
pblockindex = LookupBlockIndex(hash);
- tip = chainActive.Tip();
+ tip = ::ChainActive().Tip();
}
if (!pblockindex) {
@@ -820,11 +832,23 @@ static CBlock GetBlockChecked(const CBlockIndex* pblockindex)
return block;
}
+static CBlockUndo GetUndoChecked(const CBlockIndex* pblockindex)
+{
+ CBlockUndo blockUndo;
+ if (IsBlockPruned(pblockindex)) {
+ throw JSONRPCError(RPC_MISC_ERROR, "Undo data not available (pruned data)");
+ }
+
+ if (!UndoReadFromDisk(blockUndo, pblockindex)) {
+ throw JSONRPCError(RPC_MISC_ERROR, "Can't read undo data from disk");
+ }
+
+ return blockUndo;
+}
+
static UniValue getblock(const JSONRPCRequest& request)
{
- if (request.fHelp || request.params.size() < 1 || request.params.size() > 2)
- throw std::runtime_error(
- RPCHelpMan{"getblock",
+ const RPCHelpMan help{"getblock",
"\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",
@@ -876,9 +900,11 @@ static UniValue getblock(const JSONRPCRequest& request)
HelpExampleCli("getblock", "\"00000000c937983704a73af28acdec37b049d214adbda81d7e2a3dd146f6ed09\"")
+ HelpExampleRpc("getblock", "\"00000000c937983704a73af28acdec37b049d214adbda81d7e2a3dd146f6ed09\"")
},
- }.ToString());
+ };
- LOCK(cs_main);
+ if (request.fHelp || !help.IsValidNumArgs(request.params.size())) {
+ throw std::runtime_error(help.ToString());
+ }
uint256 hash(ParseHashV(request.params[0], "blockhash"));
@@ -890,12 +916,20 @@ static UniValue getblock(const JSONRPCRequest& request)
verbosity = request.params[1].get_bool() ? 1 : 0;
}
- const CBlockIndex* pblockindex = LookupBlockIndex(hash);
- if (!pblockindex) {
- throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Block not found");
- }
+ CBlock block;
+ const CBlockIndex* pblockindex;
+ const CBlockIndex* tip;
+ {
+ LOCK(cs_main);
+ pblockindex = LookupBlockIndex(hash);
+ tip = ::ChainActive().Tip();
+
+ if (!pblockindex) {
+ throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Block not found");
+ }
- const CBlock block = GetBlockChecked(pblockindex);
+ block = GetBlockChecked(pblockindex);
+ }
if (verbosity <= 0)
{
@@ -905,7 +939,7 @@ static UniValue getblock(const JSONRPCRequest& request)
return strHex;
}
- return blockToJSON(block, chainActive.Tip(), pblockindex, verbosity >= 2);
+ return blockToJSON(block, tip, pblockindex, verbosity >= 2);
}
struct CCoinsStats
@@ -1010,7 +1044,7 @@ static UniValue pruneblockchain(const JSONRPCRequest& request)
// too low to be a block time (corresponds to timestamp from Sep 2001).
if (heightParam > 1000000000) {
// Add a 2 hour buffer to include blocks which might have had old timestamps
- CBlockIndex* pindex = chainActive.FindEarliestAtLeast(heightParam - TIMESTAMP_WINDOW);
+ CBlockIndex* pindex = ::ChainActive().FindEarliestAtLeast(heightParam - TIMESTAMP_WINDOW, 0);
if (!pindex) {
throw JSONRPCError(RPC_INVALID_PARAMETER, "Could not find block with at least the specified timestamp.");
}
@@ -1018,7 +1052,7 @@ static UniValue pruneblockchain(const JSONRPCRequest& request)
}
unsigned int height = (unsigned int) heightParam;
- unsigned int chainHeight = (unsigned int) chainActive.Height();
+ unsigned int chainHeight = (unsigned int) ::ChainActive().Height();
if (chainHeight < Params().PruneAfterHeight())
throw JSONRPCError(RPC_MISC_ERROR, "Blockchain is too short for pruning.");
else if (height > chainHeight)
@@ -1317,10 +1351,10 @@ UniValue getblockchaininfo(const JSONRPCRequest& request)
LOCK(cs_main);
- const CBlockIndex* tip = chainActive.Tip();
+ const CBlockIndex* tip = ::ChainActive().Tip();
UniValue obj(UniValue::VOBJ);
obj.pushKV("chain", Params().NetworkIDString());
- obj.pushKV("blocks", (int)chainActive.Height());
+ obj.pushKV("blocks", (int)::ChainActive().Height());
obj.pushKV("headers", pindexBestHeader ? pindexBestHeader->nHeight : -1);
obj.pushKV("bestblockhash", tip->GetBlockHash().GetHex());
obj.pushKV("difficulty", (double)GetDifficulty(tip));
@@ -1417,11 +1451,11 @@ static UniValue getchaintips(const JSONRPCRequest& request)
LOCK(cs_main);
/*
- * Idea: the set of chain tips is chainActive.tip, plus orphan blocks which do not have another orphan building off of them.
+ * Idea: the set of chain tips is ::ChainActive().tip, plus orphan blocks which do not have another orphan building off of them.
* Algorithm:
* - Make one pass through mapBlockIndex, picking out the orphan blocks, and also storing a set of the orphan block's pprev pointers.
* - Iterate through the orphan blocks. If the block isn't pointed to by another orphan, it is a chain tip.
- * - add chainActive.Tip()
+ * - add ::ChainActive().Tip()
*/
std::set<const CBlockIndex*, CompareBlocksByHeight> setTips;
std::set<const CBlockIndex*> setOrphans;
@@ -1429,7 +1463,7 @@ static UniValue getchaintips(const JSONRPCRequest& request)
for (const std::pair<const uint256, CBlockIndex*>& item : mapBlockIndex)
{
- if (!chainActive.Contains(item.second)) {
+ if (!::ChainActive().Contains(item.second)) {
setOrphans.insert(item.second);
setPrevs.insert(item.second->pprev);
}
@@ -1443,7 +1477,7 @@ static UniValue getchaintips(const JSONRPCRequest& request)
}
// Always report the currently active tip.
- setTips.insert(chainActive.Tip());
+ setTips.insert(::ChainActive().Tip());
/* Construct the output array. */
UniValue res(UniValue::VARR);
@@ -1453,11 +1487,11 @@ static UniValue getchaintips(const JSONRPCRequest& request)
obj.pushKV("height", block->nHeight);
obj.pushKV("hash", block->phashBlock->GetHex());
- const int branchLen = block->nHeight - chainActive.FindFork(block)->nHeight;
+ const int branchLen = block->nHeight - ::ChainActive().FindFork(block)->nHeight;
obj.pushKV("branchlen", branchLen);
std::string status;
- if (chainActive.Contains(block)) {
+ if (::ChainActive().Contains(block)) {
// This block is part of the currently active chain.
status = "active";
} else if (block->nStatus & BLOCK_FAILED_MASK) {
@@ -1486,7 +1520,10 @@ static UniValue getchaintips(const JSONRPCRequest& request)
UniValue MempoolInfoToJSON(const CTxMemPool& pool)
{
+ // Make sure this call is atomic in the pool.
+ LOCK(pool.cs);
UniValue ret(UniValue::VOBJ);
+ ret.pushKV("loaded", pool.IsLoaded());
ret.pushKV("size", (int64_t)pool.size());
ret.pushKV("bytes", (int64_t)pool.GetTotalTxSize());
ret.pushKV("usage", (int64_t)pool.DynamicMemoryUsage());
@@ -1507,6 +1544,7 @@ static UniValue getmempoolinfo(const JSONRPCRequest& request)
{},
RPCResult{
"{\n"
+ " \"loaded\": true|false (boolean) True if the mempool is fully loaded\n"
" \"size\": xxxxx, (numeric) Current tx count\n"
" \"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"
@@ -1674,7 +1712,7 @@ static UniValue getchaintxstats(const JSONRPCRequest& request)
if (request.params[1].isNull()) {
LOCK(cs_main);
- pindex = chainActive.Tip();
+ pindex = ::ChainActive().Tip();
} else {
uint256 hash(ParseHashV(request.params[1], "blockhash"));
LOCK(cs_main);
@@ -1682,7 +1720,7 @@ static UniValue getchaintxstats(const JSONRPCRequest& request)
if (!pindex) {
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Block not found");
}
- if (!chainActive.Contains(pindex)) {
+ if (!::ChainActive().Contains(pindex)) {
throw JSONRPCError(RPC_INVALID_PARAMETER, "Block is not in main chain");
}
}
@@ -1779,8 +1817,7 @@ static UniValue getblockstats(const JSONRPCRequest& request)
{
const RPCHelpMan help{"getblockstats",
"\nCompute per block statistics for a given window. All amounts are in satoshis.\n"
- "It won't work for some heights with pruning.\n"
- "It won't work without -txindex for utxo_size_inc, *fee or *feerate stats.\n",
+ "It won't work for some heights with pruning.\n",
{
{"hash_or_height", RPCArg::Type::NUM, RPCArg::Optional::NO, "The block hash or height of the target block", "", {"", "string or numeric"}},
{"stats", RPCArg::Type::ARR, /* default */ "all values", "Values to plot (see result below)",
@@ -1843,7 +1880,7 @@ static UniValue getblockstats(const JSONRPCRequest& request)
CBlockIndex* pindex;
if (request.params[0].isNum()) {
const int height = request.params[0].get_int();
- const int current_tip = chainActive.Height();
+ const int current_tip = ::ChainActive().Height();
if (height < 0) {
throw JSONRPCError(RPC_INVALID_PARAMETER, strprintf("Target block height %d is negative", height));
}
@@ -1851,14 +1888,14 @@ static UniValue getblockstats(const JSONRPCRequest& request)
throw JSONRPCError(RPC_INVALID_PARAMETER, strprintf("Target block height %d after current tip %d", height, current_tip));
}
- pindex = chainActive[height];
+ pindex = ::ChainActive()[height];
} else {
const uint256 hash(ParseHashV(request.params[0], "hash_or_height"));
pindex = LookupBlockIndex(hash);
if (!pindex) {
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Block not found");
}
- if (!chainActive.Contains(pindex)) {
+ if (!::ChainActive().Contains(pindex)) {
throw JSONRPCError(RPC_INVALID_PARAMETER, strprintf("Block is not in chain %s", Params().NetworkIDString()));
}
}
@@ -1875,6 +1912,7 @@ static UniValue getblockstats(const JSONRPCRequest& request)
}
const CBlock block = GetBlockChecked(pindex);
+ const CBlockUndo blockUndo = GetUndoChecked(pindex);
const bool do_all = stats.size() == 0; // Calculate everything if nothing selected (default)
const bool do_mediantxsize = do_all || stats.count("mediantxsize") != 0;
@@ -1888,10 +1926,6 @@ static UniValue getblockstats(const JSONRPCRequest& request)
const bool do_calculate_weight = do_all || SetHasKeys(stats, "total_weight", "avgfeerate", "swtotal_weight", "avgfeerate", "feerate_percentiles", "minfeerate", "maxfeerate");
const bool do_calculate_sw = do_all || SetHasKeys(stats, "swtxs", "swtotal_size", "swtotal_weight");
- if (loop_inputs && !g_txindex) {
- throw JSONRPCError(RPC_INVALID_PARAMETER, "One or more of the selected stats requires -txindex enabled");
- }
-
CAmount maxfee = 0;
CAmount maxfeerate = 0;
CAmount minfee = MAX_MONEY;
@@ -1912,7 +1946,8 @@ static UniValue getblockstats(const JSONRPCRequest& request)
std::vector<std::pair<CAmount, int64_t>> feerate_array;
std::vector<int64_t> txsize_array;
- for (const auto& tx : block.vtx) {
+ for (size_t i = 0; i < block.vtx.size(); ++i) {
+ const auto& tx = block.vtx.at(i);
outputs += tx->vout.size();
CAmount tx_total_out = 0;
@@ -1956,14 +1991,9 @@ static UniValue getblockstats(const JSONRPCRequest& request)
if (loop_inputs) {
CAmount tx_total_in = 0;
- for (const CTxIn& in : tx->vin) {
- CTransactionRef tx_in;
- uint256 hashBlock;
- if (!GetTransaction(in.prevout.hash, tx_in, Params().GetConsensus(), hashBlock)) {
- throw JSONRPCError(RPC_INTERNAL_ERROR, std::string("Unexpected internal error (tx index seems corrupt)"));
- }
-
- CTxOut prevoutput = tx_in->vout[in.prevout.n];
+ const auto& txundo = blockUndo.vtxundo.at(i - 1);
+ for (const Coin& coin: txundo.vprevout) {
+ const CTxOut& prevoutput = coin.out;
tx_total_in += prevoutput.nValue;
utxo_size_inc -= GetSerializeSize(prevoutput, PROTOCOL_VERSION) + PER_UTXO_OVERHEAD;
@@ -2057,11 +2087,11 @@ static UniValue savemempool(const JSONRPCRequest& request)
}.ToString());
}
- if (!g_is_mempool_loaded) {
+ if (!::mempool.IsLoaded()) {
throw JSONRPCError(RPC_MISC_ERROR, "The mempool was not loaded yet");
}
- if (!DumpMempool()) {
+ if (!DumpMempool(::mempool)) {
throw JSONRPCError(RPC_MISC_ERROR, "Unable to dump mempool to disk");
}
@@ -2224,8 +2254,7 @@ UniValue scantxoutset(const JSONRPCRequest& request)
desc_str = desc_uni.get_str();
UniValue range_uni = find_value(scanobject, "range");
if (!range_uni.isNull()) {
- range = ParseRange(range_uni);
- if (range.first < 0 || (range.second >> 31) != 0 || range.second >= range.first + 1000000) throw JSONRPCError(RPC_INVALID_PARAMETER, "range out of range");
+ range = ParseDescriptorRange(range_uni);
}
} else {
throw JSONRPCError(RPC_INVALID_PARAMETER, "Scan object needs to be either a string or an object");
@@ -2296,6 +2325,85 @@ UniValue scantxoutset(const JSONRPCRequest& request)
return result;
}
+static UniValue getblockfilter(const JSONRPCRequest& request)
+{
+ if (request.fHelp || request.params.size() < 1 || request.params.size() > 2) {
+ throw std::runtime_error(
+ RPCHelpMan{"getblockfilter",
+ "\nRetrieve a BIP 157 content filter for a particular block.\n",
+ {
+ {"blockhash", RPCArg::Type::STR_HEX, RPCArg::Optional::NO, "The hash of the block"},
+ {"filtertype", RPCArg::Type::STR, /*default*/ "basic", "The type name of the filter"},
+ },
+ RPCResult{
+ "{\n"
+ " \"filter\" : (string) the hex-encoded filter data\n"
+ " \"header\" : (string) the hex-encoded filter header\n"
+ "}\n"
+ },
+ RPCExamples{
+ HelpExampleCli("getblockfilter", "\"00000000c937983704a73af28acdec37b049d214adbda81d7e2a3dd146f6ed09\" \"basic\"")
+ }
+ }.ToString()
+ );
+ }
+
+ uint256 block_hash = ParseHashV(request.params[0], "blockhash");
+ std::string filtertype_name = "basic";
+ if (!request.params[1].isNull()) {
+ filtertype_name = request.params[1].get_str();
+ }
+
+ BlockFilterType filtertype;
+ if (!BlockFilterTypeByName(filtertype_name, filtertype)) {
+ throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Unknown filtertype");
+ }
+
+ BlockFilterIndex* index = GetBlockFilterIndex(filtertype);
+ if (!index) {
+ throw JSONRPCError(RPC_MISC_ERROR, "Index is not enabled for filtertype " + filtertype_name);
+ }
+
+ const CBlockIndex* block_index;
+ bool block_was_connected;
+ {
+ LOCK(cs_main);
+ block_index = LookupBlockIndex(block_hash);
+ if (!block_index) {
+ throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Block not found");
+ }
+ block_was_connected = block_index->IsValid(BLOCK_VALID_SCRIPTS);
+ }
+
+ bool index_ready = index->BlockUntilSyncedToCurrentChain();
+
+ BlockFilter filter;
+ uint256 filter_header;
+ if (!index->LookupFilter(block_index, filter) ||
+ !index->LookupFilterHeader(block_index, filter_header)) {
+ int err_code;
+ std::string errmsg = "Filter not found.";
+
+ if (!block_was_connected) {
+ err_code = RPC_INVALID_ADDRESS_OR_KEY;
+ errmsg += " Block was not connected to active chain.";
+ } else if (!index_ready) {
+ err_code = RPC_MISC_ERROR;
+ errmsg += " Block filters are still in the process of being indexed.";
+ } else {
+ err_code = RPC_INTERNAL_ERROR;
+ errmsg += " This error is unexpected and indicates index corruption.";
+ }
+
+ throw JSONRPCError(err_code, errmsg);
+ }
+
+ UniValue ret(UniValue::VOBJ);
+ ret.pushKV("filter", HexStr(filter.GetEncodedFilter()));
+ ret.pushKV("header", filter_header.GetHex());
+ return ret;
+}
+
// clang-format off
static const CRPCCommand commands[] =
{ // category name actor (function) argNames
@@ -2323,6 +2431,7 @@ static const CRPCCommand commands[] =
{ "blockchain", "preciousblock", &preciousblock, {"blockhash"} },
{ "blockchain", "scantxoutset", &scantxoutset, {"action", "scanobjects"} },
+ { "blockchain", "getblockfilter", &getblockfilter, {"blockhash", "filtertype"} },
/* Not shown in help */
{ "hidden", "invalidateblock", &invalidateblock, {"blockhash"} },