eip-4844: test tx_peek_blob_versioned_hashes

tests/core/pyspec/eth2spec/test/eip4844/unittests/test_offset.py

@@ -0,0 +1,23 @@
+
+from eth2spec.test.helpers.constants import (
+    EIP4844,
+    MINIMAL,
+)
+from eth2spec.test.helpers.sharding import (
+    get_sample_opaque_tx,
+)
+from eth2spec.test.context import (
+    with_phases,
+    spec_state_test,
+    with_presets,
+)
+
+
+@with_phases([EIP4844])
+@spec_state_test
+@with_presets([MINIMAL])
+def test_tx_peek_blob_versioned_hashes(spec, state):
+    otx, blobs, commitments = get_sample_opaque_tx(spec)
+    data_hashes = spec.tx_peek_blob_versioned_hashes(otx)
+    expected = [spec.kzg_commitment_to_versioned_hash(blob_commitment) for blob_commitment in commitments]
+    assert expected == data_hashes