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-rw-r--r--src/primitives/pureheader.h187
1 files changed, 72 insertions, 115 deletions
diff --git a/src/primitives/pureheader.h b/src/primitives/pureheader.h
index 25f1ce98b..841743632 100644
--- a/src/primitives/pureheader.h
+++ b/src/primitives/pureheader.h
@@ -10,24 +10,30 @@
#include "uint256.h"
/**
- * Encapsulate a block version. This takes care of building it up
- * from a base version, the modifier flags (like auxpow) and
- * also the auxpow chain ID.
+ * A block header without auxpow information. This "intermediate step"
+ * in constructing the full header is useful, because it breaks the cyclic
+ * dependency between auxpow (referencing a parent block header) and
+ * the block header (referencing an auxpow). The parent block header
+ * does not have auxpow itself, so it is a pure header.
*/
-class CBlockVersion
+class CPureBlockHeader
{
-private:
+public:
/* Modifiers to the version. */
static const int32_t VERSION_AUXPOW = (1 << 8);
/** Bits above are reserved for the auxpow chain ID. */
static const int32_t VERSION_CHAIN_START = (1 << 16);
- /** The version as integer. Should not be accessed directly. */
- int nVersion;
+ // header
+ int32_t nVersion;
+ uint256 hashPrevBlock;
+ uint256 hashMerkleRoot;
+ uint32_t nTime;
+ uint32_t nBits;
+ uint32_t nNonce;
-public:
- inline CBlockVersion()
+ CPureBlockHeader()
{
SetNull();
}
@@ -35,17 +41,69 @@ public:
ADD_SERIALIZE_METHODS;
template <typename Stream, typename Operation>
- inline void SerializationOp(Stream& s, Operation ser_action, int nType, int nVersion)
+ inline void SerializationOp(Stream& s, Operation ser_action)
{
READWRITE(this->nVersion);
+ READWRITE(hashPrevBlock);
+ READWRITE(hashMerkleRoot);
+ READWRITE(nTime);
+ READWRITE(nBits);
+ READWRITE(nNonce);
}
- inline void SetNull()
+ void SetNull()
{
nVersion = 0;
+ hashPrevBlock.SetNull();
+ hashMerkleRoot.SetNull();
+ nTime = 0;
+ nBits = 0;
+ nNonce = 0;
+ }
+
+ bool IsNull() const
+ {
+ return (nBits == 0);
+ }
+
+ uint256 GetHash() const;
+
+ uint256 GetPoWHash() const;
+
+ int64_t GetBlockTime() const
+ {
+ return (int64_t)nTime;
+ }
+
+ /* Below are methods to interpret the version with respect to
+ auxpow data and chain ID. This used to be in the CBlockVersion
+ class, but was moved here when we switched back to nVersion being
+ a pure int member as preparation to undoing the "abuse" and
+ allowing BIP9 to work. */
+
+ /**
+ * Extract the base version (without modifiers and chain ID).
+ * @return The base version./
+ */
+ inline int32_t GetBaseVersion() const
+ {
+ return GetBaseVersion(nVersion);
+ }
+ static inline int32_t GetBaseVersion(int32_t ver)
+ {
+ return ver % VERSION_AUXPOW;
}
/**
+ * Set the base version (apart from chain ID and auxpow flag) to
+ * the one given. This should only be called when auxpow is not yet
+ * set, to initialise a block!
+ * @param nBaseVersion The base version.
+ * @param nChainId The auxpow chain ID.
+ */
+ void SetBaseVersion(int32_t nBaseVersion, int32_t nChainId);
+
+ /**
* Extract the chain ID.
* @return The chain ID encoded in the version.
*/
@@ -65,27 +123,8 @@ public:
}
/**
- * Extract the full version. Used for RPC results and debug prints.
- * @return The full version.
- */
- inline int32_t GetFullVersion() const
- {
- return nVersion;
- }
-
- /**
- * Set the genesis block version. This must be a literal write
- * through, to get the correct historic version.
- * @param nGenesisVersion The version to set.
- */
- inline void SetGenesisVersion(int32_t nGenesisVersion)
- {
- nVersion = nGenesisVersion;
- }
-
- /**
* Check if the auxpow flag is set in the version.
- * @return True iff this block version is marked as auxpow.
+ * @return True if this block version is marked as auxpow.
*/
inline bool IsAuxpow() const
{
@@ -96,7 +135,7 @@ public:
* Set the auxpow flag. This is used for testing.
* @param auxpow Whether to mark auxpow as true.
*/
- inline void SetAuxpow(bool auxpow)
+ inline void SetAuxpowFlag(bool auxpow)
{
if (auxpow)
nVersion |= VERSION_AUXPOW;
@@ -111,91 +150,9 @@ public:
inline bool IsLegacy() const
{
return nVersion == 1
+ // Dogecoin: We have a random v2 block with no AuxPoW, treat as legacy
|| (nVersion == 2 && GetChainId() == 0);
}
-
- CBlockVersion& operator=(const CBlockVersion& other)
- {
- nVersion = other.nVersion;
- return *this;
- }
-
- CBlockVersion& operator=(const int nBaseVersion)
- {
- nVersion = (nBaseVersion & 0x000000ff) | (nVersion & 0xffffff00);
- return *this;
- }
-
- operator int() { return nVersion & 0x000000ff; }
- friend inline bool operator==(const CBlockVersion a, const int b) { return (a.nVersion & 0x000000ff) == b; }
- friend inline bool operator!=(const CBlockVersion a, const int b) { return (a.nVersion & 0x000000ff) != b; }
- friend inline bool operator>(const CBlockVersion a, const int b) { return (a.nVersion & 0x000000ff) > b; }
- friend inline bool operator<(const CBlockVersion a, const int b) { return (a.nVersion & 0x000000ff) < b; }
- friend inline bool operator>=(const CBlockVersion a, const int b) { return (a.nVersion & 0x000000ff) >= b; }
- friend inline bool operator<=(const CBlockVersion a, const int b) { return (a.nVersion & 0x000000ff) <= b; }
-};
-
-/**
- * A block header without auxpow information. This "intermediate step"
- * in constructing the full header is useful, because it breaks the cyclic
- * dependency between auxpow (referencing a parent block header) and
- * the block header (referencing an auxpow). The parent block header
- * does not have auxpow itself, so it is a pure header.
- */
-class CPureBlockHeader
-{
-public:
- // header
- static const int32_t CURRENT_VERSION = 3;
- CBlockVersion nVersion;
- uint256 hashPrevBlock;
- uint256 hashMerkleRoot;
- uint32_t nTime;
- uint32_t nBits;
- uint32_t nNonce;
-
- CPureBlockHeader()
- {
- SetNull();
- }
-
- ADD_SERIALIZE_METHODS;
-
- template <typename Stream, typename Operation>
- inline void SerializationOp(Stream& s, Operation ser_action, int nType, int nVersion)
- {
- READWRITE(this->nVersion);
- nVersion = this->nVersion;
- READWRITE(hashPrevBlock);
- READWRITE(hashMerkleRoot);
- READWRITE(nTime);
- READWRITE(nBits);
- READWRITE(nNonce);
- }
-
- void SetNull()
- {
- nVersion.SetNull();
- hashPrevBlock.SetNull();
- hashMerkleRoot.SetNull();
- nTime = 0;
- nBits = 0;
- nNonce = 0;
- }
-
- bool IsNull() const
- {
- return (nBits == 0);
- }
-
- uint256 GetHash() const;
-
- uint256 GetPoWHash() const;
-
- int64_t GetBlockTime() const
- {
- return (int64_t)nTime;
- }
};
#endif // BITCOIN_PRIMITIVES_PUREHEADER_H
generated by cgit v1.2.3 (git 2.25.1) at 2026-04-23 01:33:52 +0000