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-rw-r--r--src/chain.h130
1 files changed, 74 insertions, 56 deletions
diff --git a/src/chain.h b/src/chain.h
index 15ca8f8750..8eafc5d588 100644
--- a/src/chain.h
+++ b/src/chain.h
@@ -59,37 +59,40 @@ public:
READWRITE(VARINT(obj.nTimeLast));
}
- void SetNull() {
- nBlocks = 0;
- nSize = 0;
- nUndoSize = 0;
- nHeightFirst = 0;
- nHeightLast = 0;
- nTimeFirst = 0;
- nTimeLast = 0;
- }
-
- CBlockFileInfo() {
- SetNull();
- }
-
- std::string ToString() const;
-
- /** update statistics (does not update nSize) */
- void AddBlock(unsigned int nHeightIn, uint64_t nTimeIn) {
- if (nBlocks==0 || nHeightFirst > nHeightIn)
- nHeightFirst = nHeightIn;
- if (nBlocks==0 || nTimeFirst > nTimeIn)
- nTimeFirst = nTimeIn;
- nBlocks++;
- if (nHeightIn > nHeightLast)
- nHeightLast = nHeightIn;
- if (nTimeIn > nTimeLast)
- nTimeLast = nTimeIn;
- }
+ void SetNull()
+ {
+ nBlocks = 0;
+ nSize = 0;
+ nUndoSize = 0;
+ nHeightFirst = 0;
+ nHeightLast = 0;
+ nTimeFirst = 0;
+ nTimeLast = 0;
+ }
+
+ CBlockFileInfo()
+ {
+ SetNull();
+ }
+
+ std::string ToString() const;
+
+ /** update statistics (does not update nSize) */
+ void AddBlock(unsigned int nHeightIn, uint64_t nTimeIn)
+ {
+ if (nBlocks == 0 || nHeightFirst > nHeightIn)
+ nHeightFirst = nHeightIn;
+ if (nBlocks == 0 || nTimeFirst > nTimeIn)
+ nTimeFirst = nTimeIn;
+ nBlocks++;
+ if (nHeightIn > nHeightLast)
+ nHeightLast = nHeightIn;
+ if (nTimeIn > nTimeLast)
+ nTimeLast = nTimeIn;
+ }
};
-enum BlockStatus: uint32_t {
+enum BlockStatus : uint32_t {
//! Unused.
BLOCK_VALID_UNKNOWN = 0,
@@ -220,20 +223,22 @@ public:
{
}
- FlatFilePos GetBlockPos() const {
+ FlatFilePos GetBlockPos() const
+ {
FlatFilePos ret;
if (nStatus & BLOCK_HAVE_DATA) {
ret.nFile = nFile;
- ret.nPos = nDataPos;
+ ret.nPos = nDataPos;
}
return ret;
}
- FlatFilePos GetUndoPos() const {
+ FlatFilePos GetUndoPos() const
+ {
FlatFilePos ret;
if (nStatus & BLOCK_HAVE_UNDO) {
ret.nFile = nFile;
- ret.nPos = nUndoPos;
+ ret.nPos = nUndoPos;
}
return ret;
}
@@ -241,13 +246,13 @@ public:
CBlockHeader GetBlockHeader() const
{
CBlockHeader block;
- block.nVersion = nVersion;
+ block.nVersion = nVersion;
if (pprev)
block.hashPrevBlock = pprev->GetBlockHash();
block.hashMerkleRoot = hashMerkleRoot;
- block.nTime = nTime;
- block.nBits = nBits;
- block.nNonce = nNonce;
+ block.nTime = nTime;
+ block.nBits = nBits;
+ block.nNonce = nNonce;
return block;
}
@@ -288,7 +293,7 @@ public:
*(--pbegin) = pindex->GetBlockTime();
std::sort(pbegin, pend);
- return pbegin[(pend - pbegin)/2];
+ return pbegin[(pend - pbegin) / 2];
}
std::string ToString() const
@@ -353,11 +358,13 @@ class CDiskBlockIndex : public CBlockIndex
public:
uint256 hashPrev;
- CDiskBlockIndex() {
+ CDiskBlockIndex()
+ {
hashPrev = uint256();
}
- explicit CDiskBlockIndex(const CBlockIndex* pindex) : CBlockIndex(*pindex) {
+ explicit CDiskBlockIndex(const CBlockIndex* pindex) : CBlockIndex(*pindex)
+ {
hashPrev = (pprev ? pprev->GetBlockHash() : uint256());
}
@@ -385,12 +392,12 @@ public:
uint256 GetBlockHash() const
{
CBlockHeader block;
- block.nVersion = nVersion;
- block.hashPrevBlock = hashPrev;
- block.hashMerkleRoot = hashMerkleRoot;
- block.nTime = nTime;
- block.nBits = nBits;
- block.nNonce = nNonce;
+ block.nVersion = nVersion;
+ block.hashPrevBlock = hashPrev;
+ block.hashMerkleRoot = hashMerkleRoot;
+ block.nTime = nTime;
+ block.nBits = nBits;
+ block.nNonce = nNonce;
return block.GetHash();
}
@@ -407,35 +414,45 @@ public:
};
/** An in-memory indexed chain of blocks. */
-class CChain {
+class CChain
+{
private:
std::vector<CBlockIndex*> vChain;
public:
+ CChain() = default;
+ CChain(const CChain&) = delete;
+ CChain& operator=(const CChain&) = delete;
+
/** Returns the index entry for the genesis block of this chain, or nullptr if none. */
- CBlockIndex *Genesis() const {
+ CBlockIndex* Genesis() const
+ {
return vChain.size() > 0 ? vChain[0] : nullptr;
}
/** Returns the index entry for the tip of this chain, or nullptr if none. */
- CBlockIndex *Tip() const {
+ CBlockIndex* Tip() const
+ {
return vChain.size() > 0 ? vChain[vChain.size() - 1] : nullptr;
}
/** Returns the index entry at a particular height in this chain, or nullptr if no such height exists. */
- CBlockIndex *operator[](int nHeight) const {
+ CBlockIndex* operator[](int nHeight) const
+ {
if (nHeight < 0 || nHeight >= (int)vChain.size())
return nullptr;
return vChain[nHeight];
}
/** Efficiently check whether a block is present in this chain. */
- bool Contains(const CBlockIndex *pindex) const {
+ bool Contains(const CBlockIndex* pindex) const
+ {
return (*this)[pindex->nHeight] == pindex;
}
/** Find the successor of a block in this chain, or nullptr if the given index is not found or is the tip. */
- CBlockIndex *Next(const CBlockIndex *pindex) const {
+ CBlockIndex* Next(const CBlockIndex* pindex) const
+ {
if (Contains(pindex))
return (*this)[pindex->nHeight + 1];
else
@@ -443,18 +460,19 @@ public:
}
/** Return the maximal height in the chain. Is equal to chain.Tip() ? chain.Tip()->nHeight : -1. */
- int Height() const {
+ int Height() const
+ {
return vChain.size() - 1;
}
/** Set/initialize a chain with a given tip. */
- void SetTip(CBlockIndex *pindex);
+ void SetTip(CBlockIndex* pindex);
/** Return a CBlockLocator that refers to a block in this chain (by default the tip). */
- CBlockLocator GetLocator(const CBlockIndex *pindex = nullptr) const;
+ CBlockLocator GetLocator(const CBlockIndex* pindex = nullptr) const;
/** Find the last common block between this chain and a block index entry. */
- const CBlockIndex *FindFork(const CBlockIndex *pindex) const;
+ const CBlockIndex* FindFork(const CBlockIndex* pindex) const;
/** Find the earliest block with timestamp equal or greater than the given time and height equal or greater than the given height. */
CBlockIndex* FindEarliestAtLeast(int64_t nTime, int height) const;