mirror of
https://gitlab.com/pulsechaincom/prysm-pulse.git
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79 lines
2.7 KiB
Go
79 lines
2.7 KiB
Go
package epoch_processing
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import (
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"os"
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"path"
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"strings"
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"testing"
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"github.com/bazelbuild/rules_go/go/tools/bazel"
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"github.com/golang/snappy"
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"github.com/prysmaticlabs/prysm/beacon-chain/state"
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v3 "github.com/prysmaticlabs/prysm/beacon-chain/state/v3"
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ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
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"github.com/prysmaticlabs/prysm/testing/require"
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"github.com/prysmaticlabs/prysm/testing/util"
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"google.golang.org/protobuf/proto"
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"gopkg.in/d4l3k/messagediff.v1"
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)
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type epochOperation func(*testing.T, state.BeaconState) (state.BeaconState, error)
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// RunEpochOperationTest takes in the prestate and processes it through the
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// passed in epoch operation function and checks the post state with the expected post state.
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func RunEpochOperationTest(
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t *testing.T,
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testFolderPath string,
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operationFn epochOperation,
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) {
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preBeaconStateFile, err := util.BazelFileBytes(path.Join(testFolderPath, "pre.ssz_snappy"))
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require.NoError(t, err)
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preBeaconStateSSZ, err := snappy.Decode(nil /* dst */, preBeaconStateFile)
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require.NoError(t, err, "Failed to decompress")
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preBeaconStateBase := ðpb.BeaconStateBellatrix{}
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if err := preBeaconStateBase.UnmarshalSSZ(preBeaconStateSSZ); err != nil {
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t.Fatalf("Failed to unmarshal: %v", err)
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}
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preBeaconState, err := v3.InitializeFromProto(preBeaconStateBase)
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require.NoError(t, err)
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// If the post.ssz is not present, it means the test should fail on our end.
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postSSZFilepath, err := bazel.Runfile(path.Join(testFolderPath, "post.ssz_snappy"))
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postSSZExists := true
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if err != nil && strings.Contains(err.Error(), "could not locate file") {
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postSSZExists = false
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} else if err != nil {
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t.Fatal(err)
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}
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beaconState, err := operationFn(t, preBeaconState)
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if postSSZExists {
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require.NoError(t, err)
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postBeaconStateFile, err := os.ReadFile(postSSZFilepath) // #nosec G304
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require.NoError(t, err)
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postBeaconStateSSZ, err := snappy.Decode(nil /* dst */, postBeaconStateFile)
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require.NoError(t, err, "Failed to decompress")
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postBeaconState := ðpb.BeaconStateBellatrix{}
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if err := postBeaconState.UnmarshalSSZ(postBeaconStateSSZ); err != nil {
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t.Fatalf("Failed to unmarshal: %v", err)
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}
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pbState, err := v3.ProtobufBeaconState(beaconState.InnerStateUnsafe())
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require.NoError(t, err)
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if !proto.Equal(pbState, postBeaconState) {
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diff, _ := messagediff.PrettyDiff(beaconState.InnerStateUnsafe(), postBeaconState)
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t.Log(diff)
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t.Fatal("Post state does not match expected")
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}
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} else {
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// Note: This doesn't test anything worthwhile. It essentially tests
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// that *any* error has occurred, not any specific error.
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if err == nil {
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t.Fatal("Did not fail when expected")
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}
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t.Logf("Expected failure; failure reason = %v", err)
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return
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}
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}
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