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@ -21,17 +21,15 @@ package mru |
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import ( |
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"bytes" |
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"context" |
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"fmt" |
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"sync" |
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"time" |
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"unsafe" |
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"github.com/ethereum/go-ethereum/swarm/chunk" |
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"github.com/ethereum/go-ethereum/swarm/log" |
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"github.com/ethereum/go-ethereum/swarm/storage" |
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) |
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const chunkSize = 4096 // temporary until we implement FileStore in the resourcehandler
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type Handler struct { |
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chunkStore *storage.NetStore |
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HashSize int |
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@ -66,8 +64,7 @@ func init() { |
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} |
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// NewHandler creates a new Mutable Resource API
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func NewHandler(params *HandlerParams) (*Handler, error) { |
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func NewHandler(params *HandlerParams) *Handler { |
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rh := &Handler{ |
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resources: make(map[uint64]*resource), |
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storeTimeout: defaultStoreTimeout, |
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@ -82,7 +79,7 @@ func NewHandler(params *HandlerParams) (*Handler, error) { |
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hashPool.Put(hashfunc) |
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} |
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return rh, nil |
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return rh |
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} |
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// SetStore sets the store backend for the Mutable Resource API
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@ -94,9 +91,8 @@ func (h *Handler) SetStore(store *storage.NetStore) { |
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// If it looks like a resource update, the chunk address is checked against the ownerAddr of the update's signature
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// It implements the storage.ChunkValidator interface
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func (h *Handler) Validate(chunkAddr storage.Address, data []byte) bool { |
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dataLength := len(data) |
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if dataLength < minimumChunkLength { |
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if dataLength < minimumChunkLength || dataLength > chunk.DefaultSize+8 { |
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return false |
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} |
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@ -106,7 +102,7 @@ func (h *Handler) Validate(chunkAddr storage.Address, data []byte) bool { |
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rootAddr, _ := metadataHash(data) |
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valid := bytes.Equal(chunkAddr, rootAddr) |
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if !valid { |
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log.Debug(fmt.Sprintf("Invalid root metadata chunk with address: %s", chunkAddr.Hex())) |
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log.Debug("Invalid root metadata chunk with address", "addr", chunkAddr.Hex()) |
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} |
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return valid |
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} |
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@ -118,7 +114,7 @@ func (h *Handler) Validate(chunkAddr storage.Address, data []byte) bool { |
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// First, deserialize the chunk
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var r SignedResourceUpdate |
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if err := r.fromChunk(chunkAddr, data); err != nil { |
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log.Debug("Invalid resource chunk with address %s: %s ", chunkAddr.Hex(), err.Error()) |
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log.Debug("Invalid resource chunk", "addr", chunkAddr.Hex(), "err", err.Error()) |
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return false |
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} |
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@ -126,7 +122,7 @@ func (h *Handler) Validate(chunkAddr storage.Address, data []byte) bool { |
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// that was used to retrieve this chunk
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// if this validation fails, someone forged a chunk.
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if !bytes.Equal(chunkAddr, r.updateHeader.UpdateAddr()) { |
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log.Debug("period,version,rootAddr contained in update chunk do not match updateAddr %s", chunkAddr.Hex()) |
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log.Debug("period,version,rootAddr contained in update chunk do not match updateAddr", "addr", chunkAddr.Hex()) |
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return false |
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} |
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@ -134,7 +130,7 @@ func (h *Handler) Validate(chunkAddr storage.Address, data []byte) bool { |
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// If it fails, it means either the signature is not valid, data is corrupted
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// or someone is trying to update someone else's resource.
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if err := r.Verify(); err != nil { |
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log.Debug("Invalid signature: %v", err) |
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log.Debug("Invalid signature", "err", err) |
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return false |
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} |
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@ -172,11 +168,6 @@ func (h *Handler) GetVersion(rootAddr storage.Address) (uint32, error) { |
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return rsrc.version, nil |
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} |
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// \TODO should be hashsize * branches from the chosen chunker, implement with FileStore
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func (h *Handler) chunkSize() int64 { |
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return chunkSize |
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} |
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// New creates a new metadata chunk out of the request passed in.
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func (h *Handler) New(ctx context.Context, request *Request) error { |
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Anton Evangelatov
6 years ago
committed by
Balint Gabor