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Add sapling nullifier set

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This commit is contained in:
Eirik Ogilvie-Wigley
2018-04-18 13:18:57 -06:00
parent 68cf6f3c2d
commit 685e936c31
11 changed files with 204 additions and 136 deletions
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20
src/coins.h
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@@ -324,7 +324,7 @@ public:
virtual bool GetAnchorAt(const uint256 &rt, ZCIncrementalMerkleTree &tree) const;
//! Determine whether a nullifier is spent or not
virtual bool GetNullifier(const uint256 &nullifier) const;
virtual bool GetNullifier(const uint256 &nullifier, bool isSapling) const;
//! Retrieve the CCoins (unspent transaction outputs) for a given txid
virtual bool GetCoins(const uint256 &txid, CCoins &coins) const;
@@ -345,7 +345,8 @@ public:
const uint256 &hashBlock,
const uint256 &hashAnchor,
CAnchorsMap &mapAnchors,
CNullifiersMap &mapNullifiers);
CNullifiersMap &mapNullifiers,
CNullifiersMap &mapSaplingNullifiers);
//! Calculate statistics about the unspent transaction output set
virtual bool GetStats(CCoinsStats &stats) const;
@@ -364,7 +365,7 @@ protected:
public:
CCoinsViewBacked(CCoinsView *viewIn);
bool GetAnchorAt(const uint256 &rt, ZCIncrementalMerkleTree &tree) const;
bool GetNullifier(const uint256 &nullifier) const;
bool GetNullifier(const uint256 &nullifier, bool isSapling) const;
bool GetCoins(const uint256 &txid, CCoins &coins) const;
bool HaveCoins(const uint256 &txid) const;
uint256 GetBestBlock() const;
@@ -374,7 +375,8 @@ public:
const uint256 &hashBlock,
const uint256 &hashAnchor,
CAnchorsMap &mapAnchors,
CNullifiersMap &mapNullifiers);
CNullifiersMap &mapNullifiers,
CNullifiersMap &mapSaplingNullifiers);
bool GetStats(CCoinsStats &stats) const;
};
@@ -418,6 +420,7 @@ protected:
mutable uint256 hashAnchor;
mutable CAnchorsMap cacheAnchors;
mutable CNullifiersMap cacheNullifiers;
mutable CNullifiersMap cacheSaplingNullifiers;
/* Cached dynamic memory usage for the inner CCoins objects. */
mutable size_t cachedCoinsUsage;
@@ -428,7 +431,7 @@ public:
// Standard CCoinsView methods
bool GetAnchorAt(const uint256 &rt, ZCIncrementalMerkleTree &tree) const;
bool GetNullifier(const uint256 &nullifier) const;
bool GetNullifier(const uint256 &nullifier, bool isSapling) const;
bool GetCoins(const uint256 &txid, CCoins &coins) const;
bool HaveCoins(const uint256 &txid) const;
uint256 GetBestBlock() const;
@@ -438,7 +441,8 @@ public:
const uint256 &hashBlock,
const uint256 &hashAnchor,
CAnchorsMap &mapAnchors,
CNullifiersMap &mapNullifiers);
CNullifiersMap &mapNullifiers,
CNullifiersMap &mapSaplingNullifiers);
// Adds the tree to mapAnchors and sets the current commitment
@@ -449,8 +453,8 @@ public:
// the new current root.
void PopAnchor(const uint256 &rt);
// Marks a nullifier as spent or not.
void SetNullifier(const uint256 &nullifier, bool spent);
// Marks a nullifiers for a given transaction as spent or not.
void SetNullifiers(const CTransaction& tx, bool spent);
/**
* Return a pointer to CCoins in the cache, or NULL if not found. This is