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-rw-r--r--src/bitcoin-tx.cpp2
-rw-r--r--src/blockencodings.cpp4
-rw-r--r--src/coins.cpp3
-rw-r--r--src/consensus/consensus.h14
-rw-r--r--src/consensus/tx_verify.cpp2
-rw-r--r--src/consensus/validation.h18
-rw-r--r--src/core_write.cpp4
-rw-r--r--src/merkleblock.cpp2
-rw-r--r--src/policy/policy.cpp1
-rw-r--r--src/primitives/block.cpp9
-rw-r--r--src/primitives/block.h3
-rw-r--r--src/primitives/transaction.cpp5
-rw-r--r--src/primitives/transaction.h6
-rw-r--r--src/rpc/mining.cpp9
-rw-r--r--src/test/sigopcount_tests.cpp1
-rw-r--r--src/undo.h3
-rw-r--r--src/validation.cpp2
17 files changed, 43 insertions, 45 deletions
diff --git a/src/bitcoin-tx.cpp b/src/bitcoin-tx.cpp
index c6d5db786e..9acb3fd30e 100644
--- a/src/bitcoin-tx.cpp
+++ b/src/bitcoin-tx.cpp
@@ -239,7 +239,7 @@ static void MutateTxAddInput(CMutableTransaction& tx, const std::string& strInpu
uint256 txid(uint256S(strTxid));
static const unsigned int minTxOutSz = 9;
- static const unsigned int maxVout = MAX_BLOCK_BASE_SIZE / minTxOutSz;
+ static const unsigned int maxVout = MAX_BLOCK_WEIGHT / (WITNESS_SCALE_FACTOR * minTxOutSz);
// extract and validate vout
std::string strVout = vStrInputParts[1];
diff --git a/src/blockencodings.cpp b/src/blockencodings.cpp
index 9cac10d2b8..7adab586e8 100644
--- a/src/blockencodings.cpp
+++ b/src/blockencodings.cpp
@@ -15,8 +15,6 @@
#include <unordered_map>
-#define MIN_TRANSACTION_BASE_SIZE (::GetSerializeSize(CTransaction(), SER_NETWORK, PROTOCOL_VERSION | SERIALIZE_TRANSACTION_NO_WITNESS))
-
CBlockHeaderAndShortTxIDs::CBlockHeaderAndShortTxIDs(const CBlock& block, bool fUseWTXID) :
nonce(GetRand(std::numeric_limits<uint64_t>::max())),
shorttxids(block.vtx.size() - 1), prefilledtxn(1), header(block) {
@@ -50,7 +48,7 @@ uint64_t CBlockHeaderAndShortTxIDs::GetShortID(const uint256& txhash) const {
ReadStatus PartiallyDownloadedBlock::InitData(const CBlockHeaderAndShortTxIDs& cmpctblock, const std::vector<std::pair<uint256, CTransactionRef>>& extra_txn) {
if (cmpctblock.header.IsNull() || (cmpctblock.shorttxids.empty() && cmpctblock.prefilledtxn.empty()))
return READ_STATUS_INVALID;
- if (cmpctblock.shorttxids.size() + cmpctblock.prefilledtxn.size() > MAX_BLOCK_BASE_SIZE / MIN_TRANSACTION_BASE_SIZE)
+ if (cmpctblock.shorttxids.size() + cmpctblock.prefilledtxn.size() > MAX_BLOCK_WEIGHT / MIN_SERIALIZEABLE_TRANSACTION_WEIGHT)
return READ_STATUS_INVALID;
assert(header.IsNull() && txn_available.empty());
diff --git a/src/coins.cpp b/src/coins.cpp
index b5dc6197bd..e30bda930a 100644
--- a/src/coins.cpp
+++ b/src/coins.cpp
@@ -245,7 +245,8 @@ bool CCoinsViewCache::HaveInputs(const CTransaction& tx) const
return true;
}
-static const size_t MAX_OUTPUTS_PER_BLOCK = MAX_BLOCK_BASE_SIZE / ::GetSerializeSize(CTxOut(), SER_NETWORK, PROTOCOL_VERSION); // TODO: merge with similar definition in undo.h.
+static const size_t MIN_TRANSACTION_OUTPUT_WEIGHT = WITNESS_SCALE_FACTOR * ::GetSerializeSize(CTxOut(), SER_NETWORK, PROTOCOL_VERSION);
+static const size_t MAX_OUTPUTS_PER_BLOCK = MAX_BLOCK_WEIGHT / MIN_TRANSACTION_OUTPUT_WEIGHT;
const Coin& AccessByTxid(const CCoinsViewCache& view, const uint256& txid)
{
diff --git a/src/consensus/consensus.h b/src/consensus/consensus.h
index 58b2ed4b3e..a1bb99a802 100644
--- a/src/consensus/consensus.h
+++ b/src/consensus/consensus.h
@@ -6,25 +6,23 @@
#ifndef BITCOIN_CONSENSUS_CONSENSUS_H
#define BITCOIN_CONSENSUS_CONSENSUS_H
+#include <stdlib.h>
#include <stdint.h>
/** The maximum allowed size for a serialized block, in bytes (only for buffer size limits) */
static const unsigned int MAX_BLOCK_SERIALIZED_SIZE = 4000000;
/** The maximum allowed weight for a block, see BIP 141 (network rule) */
static const unsigned int MAX_BLOCK_WEIGHT = 4000000;
-/**
- * The maximum allowed size for a block excluding witness data, in bytes (network rule).
- * This parameter is largely superfluous because it is directly implied by the above block
- * weight limit, even when BIP 141 is not active. It continues to exist for use in
- * various early tests that run before the witness data has been checked.
- * All tests related to it could be removed without breaking consensus compatibility.
- */
-static const unsigned int MAX_BLOCK_BASE_SIZE = 1000000;
/** The maximum allowed number of signature check operations in a block (network rule) */
static const int64_t MAX_BLOCK_SIGOPS_COST = 80000;
/** Coinbase transaction outputs can only be spent after this number of new blocks (network rule) */
static const int COINBASE_MATURITY = 100;
+static const int WITNESS_SCALE_FACTOR = 4;
+
+static const size_t MIN_TRANSACTION_WEIGHT = WITNESS_SCALE_FACTOR * 60; // 60 is the lower bound for the size of a valid serialized CTransaction
+static const size_t MIN_SERIALIZEABLE_TRANSACTION_WEIGHT = WITNESS_SCALE_FACTOR * 10; // 10 is the lower bound for the size of a serialized CTransaction
+
/** Flags for nSequence and nLockTime locks */
enum {
/* Interpret sequence numbers as relative lock-time constraints. */
diff --git a/src/consensus/tx_verify.cpp b/src/consensus/tx_verify.cpp
index 0671cbc132..0a71915d1d 100644
--- a/src/consensus/tx_verify.cpp
+++ b/src/consensus/tx_verify.cpp
@@ -164,7 +164,7 @@ bool CheckTransaction(const CTransaction& tx, CValidationState &state, bool fChe
if (tx.vout.empty())
return state.DoS(10, false, REJECT_INVALID, "bad-txns-vout-empty");
// Size limits (this doesn't take the witness into account, as that hasn't been checked for malleability)
- if (::GetSerializeSize(tx, SER_NETWORK, PROTOCOL_VERSION | SERIALIZE_TRANSACTION_NO_WITNESS) > MAX_BLOCK_BASE_SIZE)
+ if (::GetSerializeSize(tx, SER_NETWORK, PROTOCOL_VERSION | SERIALIZE_TRANSACTION_NO_WITNESS) * WITNESS_SCALE_FACTOR > MAX_BLOCK_WEIGHT)
return state.DoS(100, false, REJECT_INVALID, "bad-txns-oversize");
// Check for negative or overflow output values
diff --git a/src/consensus/validation.h b/src/consensus/validation.h
index 8fc3ef1b66..5494ce40ea 100644
--- a/src/consensus/validation.h
+++ b/src/consensus/validation.h
@@ -7,6 +7,10 @@
#define BITCOIN_CONSENSUS_VALIDATION_H
#include <string>
+#include "version.h"
+#include "consensus/consensus.h"
+#include "primitives/transaction.h"
+#include "primitives/block.h"
/** "reject" message codes */
static const unsigned char REJECT_MALFORMED = 0x01;
@@ -85,4 +89,18 @@ public:
std::string GetDebugMessage() const { return strDebugMessage; }
};
+static inline int64_t GetTransactionWeight(const CTransaction& tx)
+{
+ return ::GetSerializeSize(tx, SER_NETWORK, PROTOCOL_VERSION | SERIALIZE_TRANSACTION_NO_WITNESS) * (WITNESS_SCALE_FACTOR -1) + ::GetSerializeSize(tx, SER_NETWORK, PROTOCOL_VERSION);
+}
+
+static inline int64_t GetBlockWeight(const CBlock& block)
+{
+ // This implements the weight = (stripped_size * 4) + witness_size formula,
+ // using only serialization with and without witness data. As witness_size
+ // is equal to total_size - stripped_size, this formula is identical to:
+ // weight = (stripped_size * 3) + total_size.
+ return ::GetSerializeSize(block, SER_NETWORK, PROTOCOL_VERSION | SERIALIZE_TRANSACTION_NO_WITNESS) * (WITNESS_SCALE_FACTOR - 1) + ::GetSerializeSize(block, SER_NETWORK, PROTOCOL_VERSION);
+}
+
#endif // BITCOIN_CONSENSUS_VALIDATION_H
diff --git a/src/core_write.cpp b/src/core_write.cpp
index 7f38e9e565..a366ef933c 100644
--- a/src/core_write.cpp
+++ b/src/core_write.cpp
@@ -5,7 +5,8 @@
#include "core_io.h"
#include "base58.h"
-#include "primitives/transaction.h"
+#include "consensus/consensus.h"
+#include "consensus/validation.h"
#include "script/script.h"
#include "script/standard.h"
#include "serialize.h"
@@ -15,7 +16,6 @@
#include "utilmoneystr.h"
#include "utilstrencodings.h"
-
std::string FormatScript(const CScript& script)
{
std::string ret;
diff --git a/src/merkleblock.cpp b/src/merkleblock.cpp
index 78d7cd6001..ba5f7b400c 100644
--- a/src/merkleblock.cpp
+++ b/src/merkleblock.cpp
@@ -153,7 +153,7 @@ uint256 CPartialMerkleTree::ExtractMatches(std::vector<uint256> &vMatch, std::ve
if (nTransactions == 0)
return uint256();
// check for excessively high numbers of transactions
- if (nTransactions > MAX_BLOCK_BASE_SIZE / 60) // 60 is the lower bound for the size of a serialized CTransaction
+ if (nTransactions > MAX_BLOCK_WEIGHT / MIN_TRANSACTION_WEIGHT)
return uint256();
// there can never be more hashes provided than one for every txid
if (vHash.size() > nTransactions)
diff --git a/src/policy/policy.cpp b/src/policy/policy.cpp
index 2f78d2f347..9f2d623e76 100644
--- a/src/policy/policy.cpp
+++ b/src/policy/policy.cpp
@@ -7,6 +7,7 @@
#include "policy/policy.h"
+#include "consensus/validation.h"
#include "validation.h"
#include "coins.h"
#include "tinyformat.h"
diff --git a/src/primitives/block.cpp b/src/primitives/block.cpp
index 9a979094cc..24be67c84f 100644
--- a/src/primitives/block.cpp
+++ b/src/primitives/block.cpp
@@ -31,12 +31,3 @@ std::string CBlock::ToString() const
}
return s.str();
}
-
-int64_t GetBlockWeight(const CBlock& block)
-{
- // This implements the weight = (stripped_size * 4) + witness_size formula,
- // using only serialization with and without witness data. As witness_size
- // is equal to total_size - stripped_size, this formula is identical to:
- // weight = (stripped_size * 3) + total_size.
- return ::GetSerializeSize(block, SER_NETWORK, PROTOCOL_VERSION | SERIALIZE_TRANSACTION_NO_WITNESS) * (WITNESS_SCALE_FACTOR - 1) + ::GetSerializeSize(block, SER_NETWORK, PROTOCOL_VERSION);
-}
diff --git a/src/primitives/block.h b/src/primitives/block.h
index f03cf48504..c90a1dfa64 100644
--- a/src/primitives/block.h
+++ b/src/primitives/block.h
@@ -152,7 +152,4 @@ struct CBlockLocator
}
};
-/** Compute the consensus-critical block weight (see BIP 141). */
-int64_t GetBlockWeight(const CBlock& tx);
-
#endif // BITCOIN_PRIMITIVES_BLOCK_H
diff --git a/src/primitives/transaction.cpp b/src/primitives/transaction.cpp
index a0d7793f97..f87934d586 100644
--- a/src/primitives/transaction.cpp
+++ b/src/primitives/transaction.cpp
@@ -114,8 +114,3 @@ std::string CTransaction::ToString() const
str += " " + vout[i].ToString() + "\n";
return str;
}
-
-int64_t GetTransactionWeight(const CTransaction& tx)
-{
- return ::GetSerializeSize(tx, SER_NETWORK, PROTOCOL_VERSION | SERIALIZE_TRANSACTION_NO_WITNESS) * (WITNESS_SCALE_FACTOR -1) + ::GetSerializeSize(tx, SER_NETWORK, PROTOCOL_VERSION);
-}
diff --git a/src/primitives/transaction.h b/src/primitives/transaction.h
index 00ac0b92b5..f1dd51b9fd 100644
--- a/src/primitives/transaction.h
+++ b/src/primitives/transaction.h
@@ -6,6 +6,7 @@
#ifndef BITCOIN_PRIMITIVES_TRANSACTION_H
#define BITCOIN_PRIMITIVES_TRANSACTION_H
+#include <stdint.h>
#include "amount.h"
#include "script/script.h"
#include "serialize.h"
@@ -13,8 +14,6 @@
static const int SERIALIZE_TRANSACTION_NO_WITNESS = 0x40000000;
-static const int WITNESS_SCALE_FACTOR = 4;
-
/** An outpoint - a combination of a transaction hash and an index n into its vout */
class COutPoint
{
@@ -411,7 +410,4 @@ typedef std::shared_ptr<const CTransaction> CTransactionRef;
static inline CTransactionRef MakeTransactionRef() { return std::make_shared<const CTransaction>(); }
template <typename Tx> static inline CTransactionRef MakeTransactionRef(Tx&& txIn) { return std::make_shared<const CTransaction>(std::forward<Tx>(txIn)); }
-/** Compute the weight of a transaction, as defined by BIP 141 */
-int64_t GetTransactionWeight(const CTransaction &tx);
-
#endif // BITCOIN_PRIMITIVES_TRANSACTION_H
diff --git a/src/rpc/mining.cpp b/src/rpc/mining.cpp
index 046c85a76e..10bb341e54 100644
--- a/src/rpc/mining.cpp
+++ b/src/rpc/mining.cpp
@@ -645,15 +645,16 @@ UniValue getblocktemplate(const JSONRPCRequest& request)
result.push_back(Pair("mutable", aMutable));
result.push_back(Pair("noncerange", "00000000ffffffff"));
int64_t nSigOpLimit = MAX_BLOCK_SIGOPS_COST;
+ int64_t nSizeLimit = MAX_BLOCK_SERIALIZED_SIZE;
if (fPreSegWit) {
assert(nSigOpLimit % WITNESS_SCALE_FACTOR == 0);
nSigOpLimit /= WITNESS_SCALE_FACTOR;
+ assert(nSizeLimit % WITNESS_SCALE_FACTOR == 0);
+ nSizeLimit /= WITNESS_SCALE_FACTOR;
}
result.push_back(Pair("sigoplimit", nSigOpLimit));
- if (fPreSegWit) {
- result.push_back(Pair("sizelimit", (int64_t)MAX_BLOCK_BASE_SIZE));
- } else {
- result.push_back(Pair("sizelimit", (int64_t)MAX_BLOCK_SERIALIZED_SIZE));
+ result.push_back(Pair("sizelimit", nSizeLimit));
+ if (!fPreSegWit) {
result.push_back(Pair("weightlimit", (int64_t)MAX_BLOCK_WEIGHT));
}
result.push_back(Pair("curtime", pblock->GetBlockTime()));
diff --git a/src/test/sigopcount_tests.cpp b/src/test/sigopcount_tests.cpp
index eddb80aed5..d3b8b07228 100644
--- a/src/test/sigopcount_tests.cpp
+++ b/src/test/sigopcount_tests.cpp
@@ -3,6 +3,7 @@
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include "consensus/tx_verify.h"
+#include "consensus/validation.h"
#include "pubkey.h"
#include "key.h"
#include "script/script.h"
diff --git a/src/undo.h b/src/undo.h
index 3749d5d7a8..0f9d041bbd 100644
--- a/src/undo.h
+++ b/src/undo.h
@@ -60,7 +60,8 @@ public:
TxInUndoDeserializer(Coin* coin) : txout(coin) {}
};
-static const size_t MAX_INPUTS_PER_BLOCK = MAX_BLOCK_BASE_SIZE / ::GetSerializeSize(CTxIn(), SER_NETWORK, PROTOCOL_VERSION);
+static const size_t MIN_TRANSACTION_INPUT_WEIGHT = WITNESS_SCALE_FACTOR * ::GetSerializeSize(CTxIn(), SER_NETWORK, PROTOCOL_VERSION);
+static const size_t MAX_INPUTS_PER_BLOCK = MAX_BLOCK_WEIGHT / MIN_TRANSACTION_INPUT_WEIGHT;
/** Undo information for a CTransaction */
class CTxUndo
diff --git a/src/validation.cpp b/src/validation.cpp
index 16d11529b0..c101497600 100644
--- a/src/validation.cpp
+++ b/src/validation.cpp
@@ -2803,7 +2803,7 @@ bool CheckBlock(const CBlock& block, CValidationState& state, const Consensus::P
// checks that use witness data may be performed here.
// Size limits
- if (block.vtx.empty() || block.vtx.size() > MAX_BLOCK_BASE_SIZE || ::GetSerializeSize(block, SER_NETWORK, PROTOCOL_VERSION | SERIALIZE_TRANSACTION_NO_WITNESS) > MAX_BLOCK_BASE_SIZE)
+ if (block.vtx.empty() || block.vtx.size() * WITNESS_SCALE_FACTOR > MAX_BLOCK_WEIGHT || ::GetSerializeSize(block, SER_NETWORK, PROTOCOL_VERSION | SERIALIZE_TRANSACTION_NO_WITNESS) * WITNESS_SCALE_FACTOR > MAX_BLOCK_WEIGHT)
return state.DoS(100, false, REJECT_INVALID, "bad-blk-length", false, "size limits failed");
// First transaction must be coinbase, the rest must not be
generated by cgit v1.2.3 (git 2.26.2) at 2024-07-08 10:13:13 +0000