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Add TransactionMetadata to INX server
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,58 @@ | ||
| package inx | ||
|
|
||
| import ( | ||
| "context" | ||
|
|
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| "google.golang.org/grpc/codes" | ||
| "google.golang.org/grpc/status" | ||
|
|
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| inx "github.com/iotaledger/inx/go" | ||
| iotago "github.com/iotaledger/iota.go/v4" | ||
| ) | ||
|
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| func (s *Server) ReadTransactionMetadata(_ context.Context, transactionID *inx.TransactionId) (*inx.TransactionMetadata, error) { | ||
| return getINXTransactionMetadata(transactionID.Unwrap()) | ||
| } | ||
|
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| func getINXTransactionMetadata(transactionID iotago.TransactionID) (*inx.TransactionMetadata, error) { | ||
|
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| blockIDFromTransactionID := func(transactionID iotago.TransactionID) (iotago.BlockID, error) { | ||
| // Get the first output of that transaction (using index 0) | ||
| outputID := iotago.OutputIDFromTransactionIDAndIndex(transactionID, 0) | ||
|
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| output, spent, err := deps.Protocol.MainEngineInstance().Ledger.OutputOrSpent(outputID) | ||
| if err != nil { | ||
| return iotago.EmptyBlockID, status.Errorf(codes.Internal, "failed to get output %s: %s", outputID.ToHex(), err) | ||
| } | ||
|
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| if output != nil { | ||
| return output.BlockID(), nil | ||
| } | ||
|
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| return spent.BlockID(), nil | ||
| } | ||
|
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| blockID, err := blockIDFromTransactionID(transactionID) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
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| blockMetadata, err := deps.Protocol.MainEngineInstance().Retainer.BlockMetadata(blockID) | ||
| if err != nil { | ||
| return nil, status.Errorf(codes.Internal, "failed to get block metadata %s: %s", blockID.ToHex(), err) | ||
| } | ||
|
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| transactionMetadata := blockMetadata.TransactionMetadataResponse() | ||
| if transactionMetadata == nil { | ||
| return nil, status.Errorf(codes.NotFound, "transaction not found") | ||
| } | ||
|
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| /* | ||
| // TODO: change the retainer to store the transaction metadata | ||
| transactionMetadata, err := deps.Protocol.MainEngineInstance().Retainer.TransactionMetadata(transactionID) | ||
| if err != nil { | ||
| return nil, ierrors.Errorf("failed to get transaction metadata: %v", err) | ||
| } | ||
| */ | ||
| return inx.WrapTransactionMetadata(transactionMetadata), nil | ||
| } |
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