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refactor: migrate to blob api and remove da interface. #2893
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,77 @@ | ||
| package da | ||
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| import ( | ||
| "context" | ||
| "fmt" | ||
| "sync" | ||
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| "github.com/celestiaorg/go-square/v3/share" | ||
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| "github.com/evstack/ev-node/pkg/blob" | ||
| ) | ||
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| // LocalBlobAPI is a simple in-memory BlobAPI implementation for tests. | ||
| type LocalBlobAPI struct { | ||
| mu sync.Mutex | ||
| height uint64 | ||
| maxSize uint64 | ||
| byHeight map[uint64][]*blob.Blob | ||
| } | ||
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| // NewLocalBlobAPI creates an in-memory BlobAPI with a max blob size. | ||
| func NewLocalBlobAPI(maxSize uint64) *LocalBlobAPI { | ||
| return &LocalBlobAPI{ | ||
| maxSize: maxSize, | ||
| byHeight: make(map[uint64][]*blob.Blob), | ||
| } | ||
| } | ||
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| func (l *LocalBlobAPI) Submit(ctx context.Context, blobs []*blob.Blob, _ *blob.SubmitOptions) (uint64, error) { | ||
| l.mu.Lock() | ||
| defer l.mu.Unlock() | ||
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| for i, b := range blobs { | ||
| if uint64(len(b.Data())) > l.maxSize { | ||
| return 0, fmt.Errorf("blob %d too big", i) | ||
| } | ||
| } | ||
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| l.height++ | ||
| // store clones to avoid external mutation | ||
| stored := make([]*blob.Blob, len(blobs)) | ||
| for i, b := range blobs { | ||
| stored[i] = b | ||
| } | ||
| l.byHeight[l.height] = append(l.byHeight[l.height], stored...) | ||
| return l.height, nil | ||
| } | ||
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| func (l *LocalBlobAPI) GetAll(ctx context.Context, height uint64, namespaces []share.Namespace) ([]*blob.Blob, error) { | ||
| l.mu.Lock() | ||
| defer l.mu.Unlock() | ||
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| nsMap := make(map[string]struct{}, len(namespaces)) | ||
| for _, ns := range namespaces { | ||
| nsMap[string(ns.Bytes())] = struct{}{} | ||
| } | ||
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| blobs, ok := l.byHeight[height] | ||
| if !ok { | ||
| return []*blob.Blob{}, nil | ||
| } | ||
| var out []*blob.Blob | ||
| for _, b := range blobs { | ||
| if _, ok := nsMap[string(b.Namespace().Bytes())]; ok { | ||
| out = append(out, b) | ||
| } | ||
| } | ||
| return out, nil | ||
| } | ||
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| func (l *LocalBlobAPI) GetProof(ctx context.Context, height uint64, namespace share.Namespace, commitment blob.Commitment) (*blob.Proof, error) { | ||
| return &blob.Proof{}, nil | ||
| } | ||
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| func (l *LocalBlobAPI) Included(ctx context.Context, height uint64, namespace share.Namespace, proof *blob.Proof, commitment blob.Commitment) (bool, error) { | ||
| return true, nil | ||
| } | ||
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nit: can this file be marked as _tests? or a comment at the top saying its for tests