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break packages down into smaller pieces
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,100 @@ | ||
| package cache | ||
|
|
||
| import ( | ||
| "crypto/sha256" | ||
| "sync" | ||
|
|
||
| "github.com/tetratelabs/wazero" | ||
| ) | ||
|
|
||
| // Cache manages compiled Wasm modules | ||
| type Cache struct { | ||
| mu sync.RWMutex | ||
| codeCache map[string][]byte // stores raw Wasm bytes | ||
| compiledModules map[string]wazero.CompiledModule | ||
| pinnedModules map[string]struct{} | ||
| moduleHits map[string]uint32 | ||
| moduleSizes map[string]uint64 | ||
| } | ||
|
|
||
| // New creates a new cache instance | ||
| func New() *Cache { | ||
| return &Cache{ | ||
| codeCache: make(map[string][]byte), | ||
| compiledModules: make(map[string]wazero.CompiledModule), | ||
| pinnedModules: make(map[string]struct{}), | ||
| moduleHits: make(map[string]uint32), | ||
| moduleSizes: make(map[string]uint64), | ||
| } | ||
| } | ||
|
|
||
| // Save stores a Wasm module in the cache | ||
| func (c *Cache) Save(code []byte) []byte { | ||
| checksum := sha256.Sum256(code) | ||
| key := string(checksum[:]) | ||
|
|
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| c.mu.Lock() | ||
| defer c.mu.Unlock() | ||
|
|
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| c.codeCache[key] = code | ||
| c.moduleSizes[key] = uint64(len(code)) | ||
| return checksum[:] | ||
| } | ||
|
|
||
| // Load retrieves a Wasm module from the cache | ||
| func (c *Cache) Load(checksum []byte) ([]byte, bool) { | ||
| c.mu.RLock() | ||
| defer c.mu.RUnlock() | ||
|
|
||
| code, exists := c.codeCache[string(checksum)] | ||
| if exists { | ||
| c.moduleHits[string(checksum)]++ | ||
| } | ||
| return code, exists | ||
| } | ||
|
|
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| // Pin marks a module as pinned in memory | ||
| func (c *Cache) Pin(checksum []byte) { | ||
| c.mu.Lock() | ||
| defer c.mu.Unlock() | ||
| c.pinnedModules[string(checksum)] = struct{}{} | ||
| } | ||
|
|
||
| // Unpin removes the pin from a module | ||
| func (c *Cache) Unpin(checksum []byte) { | ||
| c.mu.Lock() | ||
| defer c.mu.Unlock() | ||
| delete(c.pinnedModules, string(checksum)) | ||
| } | ||
|
|
||
| // Remove deletes a module from the cache if it's not pinned | ||
| func (c *Cache) Remove(checksum []byte) bool { | ||
| c.mu.Lock() | ||
| defer c.mu.Unlock() | ||
|
|
||
| key := string(checksum) | ||
| if _, isPinned := c.pinnedModules[key]; isPinned { | ||
| return false | ||
| } | ||
|
|
||
| delete(c.codeCache, key) | ||
| delete(c.compiledModules, key) | ||
| delete(c.moduleHits, key) | ||
| delete(c.moduleSizes, key) | ||
| return true | ||
| } | ||
|
|
||
| // SaveCompiledModule stores a compiled module in the cache | ||
| func (c *Cache) SaveCompiledModule(checksum []byte, module wazero.CompiledModule) { | ||
| c.mu.Lock() | ||
| defer c.mu.Unlock() | ||
| c.compiledModules[string(checksum)] = module | ||
| } | ||
|
|
||
| // LoadCompiledModule retrieves a compiled module from the cache | ||
| func (c *Cache) LoadCompiledModule(checksum []byte) (wazero.CompiledModule, bool) { | ||
| c.mu.RLock() | ||
| defer c.mu.RUnlock() | ||
| module, exists := c.compiledModules[string(checksum)] | ||
| return module, exists | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,100 @@ | ||
| package crypto | ||
|
|
||
| import ( | ||
| "fmt" | ||
|
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| bls12381 "github.com/kilic/bls12-381" | ||
| ) | ||
|
|
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| // BLS12381AggregateG1 aggregates multiple G1 points into a single compressed G1 point. | ||
| func (v *Verifier) BLS12381AggregateG1(elements [][]byte) ([]byte, error) { | ||
| if len(elements) == 0 { | ||
| return nil, fmt.Errorf("no elements to aggregate") | ||
| } | ||
|
|
||
| g1 := bls12381.NewG1() | ||
| result := g1.Zero() | ||
|
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| for _, element := range elements { | ||
| point, err := g1.FromCompressed(element) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("failed to decompress G1 point: %w", err) | ||
| } | ||
| g1.Add(result, result, point) | ||
| } | ||
|
|
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| return g1.ToCompressed(result), nil | ||
| } | ||
|
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| // BLS12381AggregateG2 aggregates multiple G2 points into a single compressed G2 point. | ||
| func (v *Verifier) BLS12381AggregateG2(elements [][]byte) ([]byte, error) { | ||
| if len(elements) == 0 { | ||
| return nil, fmt.Errorf("no elements to aggregate") | ||
| } | ||
|
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| g2 := bls12381.NewG2() | ||
| result := g2.Zero() | ||
|
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| for _, element := range elements { | ||
| point, err := g2.FromCompressed(element) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("failed to decompress G2 point: %w", err) | ||
| } | ||
| g2.Add(result, result, point) | ||
| } | ||
|
|
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| return g2.ToCompressed(result), nil | ||
| } | ||
|
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| // BLS12381HashToG1 hashes a message to a G1 point. | ||
| func (v *Verifier) BLS12381HashToG1(message []byte) ([]byte, error) { | ||
| g1 := bls12381.NewG1() | ||
| domain := []byte("BLS_SIG_BLS12381G1_XMD:SHA-256_SSWU_RO_NUL_") | ||
| point, err := g1.HashToCurve(message, domain) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("failed to hash to G1: %w", err) | ||
| } | ||
| return g1.ToCompressed(point), nil | ||
| } | ||
|
|
||
| // BLS12381HashToG2 hashes a message to a G2 point. | ||
| func (v *Verifier) BLS12381HashToG2(message []byte) ([]byte, error) { | ||
| g2 := bls12381.NewG2() | ||
| domain := []byte("BLS_SIG_BLS12381G2_XMD:SHA-256_SSWU_RO_NUL_") | ||
| point, err := g2.HashToCurve(message, domain) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("failed to hash to G2: %w", err) | ||
| } | ||
| return g2.ToCompressed(point), nil | ||
| } | ||
|
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||
| // BLS12381PairingEquality checks if e(a1, a2) = e(b1, b2). | ||
| func (v *Verifier) BLS12381PairingEquality(a1Compressed, a2Compressed, b1Compressed, b2Compressed []byte) (bool, error) { | ||
| engine := bls12381.NewEngine() | ||
| g1 := bls12381.NewG1() | ||
| g2 := bls12381.NewG2() | ||
|
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| a1, err := g1.FromCompressed(a1Compressed) | ||
| if err != nil { | ||
| return false, fmt.Errorf("failed to decompress a1: %w", err) | ||
| } | ||
|
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| a2, err := g2.FromCompressed(a2Compressed) | ||
| if err != nil { | ||
| return false, fmt.Errorf("failed to decompress a2: %w", err) | ||
| } | ||
|
|
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| b1, err := g1.FromCompressed(b1Compressed) | ||
| if err != nil { | ||
| return false, fmt.Errorf("failed to decompress b1: %w", err) | ||
| } | ||
|
|
||
| b2, err := g2.FromCompressed(b2Compressed) | ||
| if err != nil { | ||
| return false, fmt.Errorf("failed to decompress b2: %w", err) | ||
| } | ||
|
|
||
| engine.AddPair(a1, a2) | ||
| engine.AddPairInv(b1, b2) | ||
| return engine.Check(), nil | ||
| } |
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