github.com/ethereum/go-ethereum@v1.16.1/beacon/engine/types_test.go (about)

     1  // Copyright 2025 The go-ethereum Authors
     2  // This file is part of the go-ethereum library.
     3  //
     4  // The go-ethereum library is free software: you can redistribute it and/or modify
     5  // it under the terms of the GNU Lesser General Public License as published by
     6  // the Free Software Foundation, either version 3 of the License, or
     7  // (at your option) any later version.
     8  //
     9  // The go-ethereum library is distributed in the hope that it will be useful,
    10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    12  // GNU Lesser General Public License for more details.
    13  //
    14  // You should have received a copy of the GNU Lesser General Public License
    15  // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
    16  
    17  package engine
    18  
    19  import (
    20  	"testing"
    21  
    22  	"github.com/ethereum/go-ethereum/common"
    23  	"github.com/ethereum/go-ethereum/core/types"
    24  	"github.com/ethereum/go-ethereum/crypto/kzg4844"
    25  )
    26  
    27  func TestBlobs(t *testing.T) {
    28  	var (
    29  		emptyBlob          = new(kzg4844.Blob)
    30  		emptyBlobCommit, _ = kzg4844.BlobToCommitment(emptyBlob)
    31  		emptyBlobProof, _  = kzg4844.ComputeBlobProof(emptyBlob, emptyBlobCommit)
    32  		emptyCellProof, _  = kzg4844.ComputeCellProofs(emptyBlob)
    33  	)
    34  	header := types.Header{}
    35  	block := types.NewBlock(&header, &types.Body{}, nil, nil)
    36  
    37  	sidecarWithoutCellProofs := &types.BlobTxSidecar{
    38  		Blobs:       []kzg4844.Blob{*emptyBlob},
    39  		Commitments: []kzg4844.Commitment{emptyBlobCommit},
    40  		Proofs:      []kzg4844.Proof{emptyBlobProof},
    41  	}
    42  	env := BlockToExecutableData(block, common.Big0, []*types.BlobTxSidecar{sidecarWithoutCellProofs}, nil)
    43  	if len(env.BlobsBundle.Proofs) != 1 {
    44  		t.Fatalf("Expect 1 proof in blobs bundle, got %v", len(env.BlobsBundle.Proofs))
    45  	}
    46  
    47  	sidecarWithCellProofs := &types.BlobTxSidecar{
    48  		Blobs:       []kzg4844.Blob{*emptyBlob},
    49  		Commitments: []kzg4844.Commitment{emptyBlobCommit},
    50  		Proofs:      emptyCellProof,
    51  	}
    52  	env = BlockToExecutableData(block, common.Big0, []*types.BlobTxSidecar{sidecarWithCellProofs}, nil)
    53  	if len(env.BlobsBundle.Proofs) != 128 {
    54  		t.Fatalf("Expect 128 proofs in blobs bundle, got %v", len(env.BlobsBundle.Proofs))
    55  	}
    56  }