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Add unit tests of ExecutionPayloadEnvelope verification #14373

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2 changes: 2 additions & 0 deletions beacon-chain/verification/BUILD.bazel
Original file line number Diff line number Diff line change
Expand Up @@ -57,6 +57,7 @@ go_test(
"batch_test.go",
"blob_test.go",
"cache_test.go",
"execution_payload_envelope_test.go",
"initializer_test.go",
"payload_attestation_test.go",
"result_test.go",
Expand All @@ -77,6 +78,7 @@ go_test(
"//consensus-types/primitives:go_default_library",
"//crypto/bls:go_default_library",
"//encoding/bytesutil:go_default_library",
"//proto/engine/v1:go_default_library",
"//proto/prysm/v1alpha1:go_default_library",
"//runtime/interop:go_default_library",
"//testing/require:go_default_library",
Expand Down
4 changes: 2 additions & 2 deletions beacon-chain/verification/execution_payload_envelope.go
Original file line number Diff line number Diff line change
Expand Up @@ -29,8 +29,8 @@ var ExecutionPayloadEnvelopeGossipRequirements = []Requirement{
RequireSignatureValid,
}

// GossipExecutionPayloadEnvelopeRequirements is a requirement list for gossip payload attestation messages.
var GossipExecutionPayloadEnvelopeRequirements = RequirementList(PayloadAttGossipRequirements)
// GossipExecutionPayloadEnvelopeRequirements is a requirement list for gossip execution payload envelopes.
var GossipExecutionPayloadEnvelopeRequirements = RequirementList(ExecutionPayloadEnvelopeGossipRequirements)
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Nice catch!


var (
ErrEnvelopeBlockRootNotSeen = errors.New("block root not seen")
Expand Down
284 changes: 284 additions & 0 deletions beacon-chain/verification/execution_payload_envelope_test.go
Original file line number Diff line number Diff line change
@@ -0,0 +1,284 @@
package verification

import (
"testing"

"github.com/prysmaticlabs/prysm/v5/beacon-chain/core/signing"
state_native "github.com/prysmaticlabs/prysm/v5/beacon-chain/state/state-native"
"github.com/prysmaticlabs/prysm/v5/config/params"
"github.com/prysmaticlabs/prysm/v5/consensus-types/blocks"
"github.com/prysmaticlabs/prysm/v5/consensus-types/primitives"
"github.com/prysmaticlabs/prysm/v5/crypto/bls"
enginev1 "github.com/prysmaticlabs/prysm/v5/proto/engine/v1"
ethpb "github.com/prysmaticlabs/prysm/v5/proto/prysm/v1alpha1"
"github.com/prysmaticlabs/prysm/v5/testing/require"
"github.com/prysmaticlabs/prysm/v5/testing/util"
)

func TestExecutionPayloadEnvelope_VerifyBlockRootSeen(t *testing.T) {
beaconBlockRoot := [32]byte{1, 2, 3}
verifier := newExecutionPayloadEnvelopeVerifier(t, &enginev1.SignedExecutionPayloadEnvelope{
Message: &enginev1.ExecutionPayloadEnvelope{
Payload: &enginev1.ExecutionPayloadElectra{},
BeaconBlockRoot: beaconBlockRoot[:],
BlobKzgCommitments: [][]byte{make([]byte, 48), make([]byte, 48), make([]byte, 48)},
StateRoot: make([]byte, 32),
},
Signature: make([]byte, 96),
})

t.Run("parentSeen nil", func(t *testing.T) {
require.ErrorIs(t, verifier.VerifyBlockRootSeen(nil), ErrEnvelopeBlockRootNotSeen)
require.Equal(t, true, verifier.results.executed(RequireBlockRootSeen))
require.Equal(t, ErrEnvelopeBlockRootNotSeen, verifier.results.result(RequireBlockRootSeen))
})

t.Run("parentSeen true", func(t *testing.T) {
require.NoError(t, verifier.VerifyBlockRootSeen(badParentCb(t, beaconBlockRoot, true)))
require.Equal(t, true, verifier.results.executed(RequireBlockRootSeen))
require.NoError(t, verifier.results.result(RequireBlockRootSeen))
})

t.Run("parentSeen false", func(t *testing.T) {
require.ErrorIs(t, verifier.VerifyBlockRootSeen(badParentCb(t, beaconBlockRoot, false)), ErrEnvelopeBlockRootNotSeen)
require.Equal(t, true, verifier.results.executed(RequireBlockRootSeen))
require.Equal(t, ErrEnvelopeBlockRootNotSeen, verifier.results.result(RequireBlockRootSeen))
})
}

func TestExecutionPayloadEnvelope_VerifyBlockRootValid(t *testing.T) {
beaconBlockRoot := [32]byte{1, 2, 3}
verifier := newExecutionPayloadEnvelopeVerifier(t, &enginev1.SignedExecutionPayloadEnvelope{
Message: &enginev1.ExecutionPayloadEnvelope{
Payload: &enginev1.ExecutionPayloadElectra{},
BeaconBlockRoot: beaconBlockRoot[:],
BlobKzgCommitments: [][]byte{make([]byte, 48), make([]byte, 48), make([]byte, 48)},
StateRoot: make([]byte, 32),
},
Signature: make([]byte, 96),
})

t.Run("badBlock true", func(t *testing.T) {
require.ErrorIs(t, verifier.VerifyBlockRootValid(badParentCb(t, beaconBlockRoot, true)), ErrPayloadAttBlockRootInvalid)
require.Equal(t, true, verifier.results.executed(RequireBlockRootValid))
require.Equal(t, ErrPayloadAttBlockRootInvalid, verifier.results.result(RequireBlockRootValid))
})

t.Run("badBlock false", func(t *testing.T) {
require.NoError(t, verifier.VerifyBlockRootValid(badParentCb(t, beaconBlockRoot, false)))
require.Equal(t, true, verifier.results.executed(RequireBlockRootValid))
require.NoError(t, verifier.results.result(RequireBlockRootValid))
})
}

func TestExecutionPayloadEnvelope_VerifyBuilderValid(t *testing.T) {
builderIndexWanted := primitives.ValidatorIndex(1)
builderIndexMatch := builderIndexWanted
builderIndexMismatch := primitives.ValidatorIndex(2)
verifier := newExecutionPayloadEnvelopeVerifier(t, &enginev1.SignedExecutionPayloadEnvelope{
Message: &enginev1.ExecutionPayloadEnvelope{
Payload: &enginev1.ExecutionPayloadElectra{},
BuilderIndex: builderIndexWanted,
BeaconBlockRoot: make([]byte, 32),
BlobKzgCommitments: [][]byte{make([]byte, 48), make([]byte, 48), make([]byte, 48)},
StateRoot: make([]byte, 32),
},
Signature: make([]byte, 96),
})

t.Run("builder index match", func(t *testing.T) {
header, err := blocks.WrappedROExecutionPayloadHeaderEPBS(&enginev1.ExecutionPayloadHeaderEPBS{
ParentBlockHash: make([]byte, 32),
ParentBlockRoot: make([]byte, 32),
BlockHash: make([]byte, 32),
BuilderIndex: builderIndexMatch,
BlobKzgCommitmentsRoot: make([]byte, 32),
})
require.NoError(t, err)
require.NoError(t, verifier.VerifyBuilderValid(header))
require.Equal(t, true, verifier.results.executed(RequireBuilderValid))
require.NoError(t, verifier.results.result(RequireBuilderValid))
})

t.Run("builder index mismatch", func(t *testing.T) {
header, err := blocks.WrappedROExecutionPayloadHeaderEPBS(&enginev1.ExecutionPayloadHeaderEPBS{
ParentBlockHash: make([]byte, 32),
ParentBlockRoot: make([]byte, 32),
BlockHash: make([]byte, 32),
BuilderIndex: builderIndexMismatch,
BlobKzgCommitmentsRoot: make([]byte, 32),
})
require.NoError(t, err)
require.ErrorIs(t, verifier.VerifyBuilderValid(header), ErrIncorrectEnvelopeBuilder)
require.Equal(t, true, verifier.results.executed(RequireBuilderValid))
require.Equal(t, ErrIncorrectEnvelopeBuilder, verifier.results.result(RequireBuilderValid))
})
}

func TestExecutionPayloadEnvelope_VerifyPayloadHash(t *testing.T) {
blockHashWanted := [32]byte{1, 2, 3}
blockHashMatch := blockHashWanted
blockHashMismatch := [32]byte{4, 5, 6}
verifier := newExecutionPayloadEnvelopeVerifier(t, &enginev1.SignedExecutionPayloadEnvelope{
Message: &enginev1.ExecutionPayloadEnvelope{
Payload: &enginev1.ExecutionPayloadElectra{
BlockHash: blockHashWanted[:],
},
BeaconBlockRoot: make([]byte, 32),
BlobKzgCommitments: [][]byte{make([]byte, 48), make([]byte, 48), make([]byte, 48)},
StateRoot: make([]byte, 32),
},
Signature: make([]byte, 96),
})

t.Run("payload hash match", func(t *testing.T) {
header, err := blocks.WrappedROExecutionPayloadHeaderEPBS(&enginev1.ExecutionPayloadHeaderEPBS{
ParentBlockHash: make([]byte, 32),
ParentBlockRoot: make([]byte, 32),
BlockHash: blockHashMatch[:],
BlobKzgCommitmentsRoot: make([]byte, 32),
})
require.NoError(t, err)
require.NoError(t, verifier.VerifyPayloadHash(header))
require.Equal(t, true, verifier.results.executed(RequirePayloadHashValid))
require.NoError(t, verifier.results.result(RequirePayloadHashValid))
})

t.Run("payload hash mismatch", func(t *testing.T) {
header, err := blocks.WrappedROExecutionPayloadHeaderEPBS(&enginev1.ExecutionPayloadHeaderEPBS{
ParentBlockHash: make([]byte, 32),
ParentBlockRoot: make([]byte, 32),
BlockHash: blockHashMismatch[:],
BlobKzgCommitmentsRoot: make([]byte, 32),
})
require.NoError(t, err)
require.ErrorIs(t, verifier.VerifyPayloadHash(header), ErrIncorrectEnvelopeBlockHash)
require.Equal(t, true, verifier.results.executed(RequirePayloadHashValid))
require.Equal(t, ErrIncorrectEnvelopeBlockHash, verifier.results.result(RequirePayloadHashValid))
})
}

func TestExecutionPayloadEnvelope_VerifySignature(t *testing.T) {
_, secretKeys, err := util.DeterministicDepositsAndKeys(2)
require.NoError(t, err)
st, err := state_native.InitializeFromProtoEpbs(&ethpb.BeaconStateEPBS{
Validators: []*ethpb.Validator{
{PublicKey: secretKeys[0].PublicKey().Marshal()},
{PublicKey: secretKeys[1].PublicKey().Marshal()},
},
Fork: &ethpb.Fork{
CurrentVersion: params.BeaconConfig().EPBSForkVersion,
PreviousVersion: params.BeaconConfig().ElectraForkVersion,
},
})
require.NoError(t, err)
epoch := primitives.Epoch(1)

builderIndexWanted := primitives.ValidatorIndex(0)
builderIndexMatch := builderIndexWanted
builderIndexMismatch := primitives.ValidatorIndex(1)
envelope := &enginev1.ExecutionPayloadEnvelope{
Payload: &enginev1.ExecutionPayloadElectra{
ParentHash: make([]byte, 32),
FeeRecipient: make([]byte, 20),
StateRoot: make([]byte, 32),
ReceiptsRoot: make([]byte, 32),
LogsBloom: make([]byte, 256),
PrevRandao: make([]byte, 32),
BaseFeePerGas: make([]byte, 32),
BlockHash: make([]byte, 32),
},
BuilderIndex: builderIndexWanted,
BeaconBlockRoot: make([]byte, 32),
BlobKzgCommitments: [][]byte{make([]byte, 48), make([]byte, 48), make([]byte, 48)},
StateRoot: make([]byte, 32),
}

t.Run("signature valid", func(t *testing.T) {
signedBytes, err := signing.ComputeDomainAndSign(
st,
epoch,
envelope,
params.BeaconConfig().DomainBeaconBuilder,
secretKeys[builderIndexMatch],
)
require.NoError(t, err)
signature, err := bls.SignatureFromBytes(signedBytes)
require.NoError(t, err)

verifier := newExecutionPayloadEnvelopeVerifier(t, &enginev1.SignedExecutionPayloadEnvelope{
Message: envelope,
Signature: signature.Marshal(),
})
require.NoError(t, verifier.VerifySignature(st))
require.Equal(t, true, verifier.results.executed(RequireSignatureValid))
require.NoError(t, verifier.results.result(RequireSignatureValid))
})

t.Run("signature invalid", func(t *testing.T) {
signedBytes, err := signing.ComputeDomainAndSign(
st,
epoch,
envelope,
params.BeaconConfig().DomainBeaconBuilder,
secretKeys[builderIndexMismatch],
)
require.NoError(t, err)
signature, err := bls.SignatureFromBytes(signedBytes)
require.NoError(t, err)

verifier := newExecutionPayloadEnvelopeVerifier(t, &enginev1.SignedExecutionPayloadEnvelope{
Message: envelope,
Signature: signature.Marshal(),
})
require.ErrorIs(t, verifier.VerifySignature(st), signing.ErrSigFailedToVerify)
require.Equal(t, true, verifier.results.executed(RequireSignatureValid))
require.Equal(t, signing.ErrSigFailedToVerify, verifier.results.result(RequireSignatureValid))
})
}

func TestExecutionPayloadEnvelope_SatisfyRequirement(t *testing.T) {
t.Run("requirements satisfy", func(t *testing.T) {
verifier := newExecutionPayloadEnvelopeVerifier(t, &enginev1.SignedExecutionPayloadEnvelope{
Message: &enginev1.ExecutionPayloadEnvelope{
Payload: &enginev1.ExecutionPayloadElectra{},
BeaconBlockRoot: make([]byte, 32),
BlobKzgCommitments: [][]byte{make([]byte, 48), make([]byte, 48), make([]byte, 48)},
StateRoot: make([]byte, 32),
},
Signature: make([]byte, 96),
})

for _, requirement := range GossipExecutionPayloadEnvelopeRequirements {
verifier.SatisfyRequirement(requirement)
}
require.Equal(t, true, verifier.results.allSatisfied())
})

t.Run("requirements dissatisfy", func(t *testing.T) {
verifier := newExecutionPayloadEnvelopeVerifier(t, &enginev1.SignedExecutionPayloadEnvelope{
Message: &enginev1.ExecutionPayloadEnvelope{
Payload: &enginev1.ExecutionPayloadElectra{},
BeaconBlockRoot: make([]byte, 32),
BlobKzgCommitments: [][]byte{make([]byte, 48), make([]byte, 48), make([]byte, 48)},
StateRoot: make([]byte, 32),
},
Signature: make([]byte, 96),
})

for _, requirement := range GossipExecutionPayloadEnvelopeRequirements[:len(GossipExecutionPayloadEnvelopeRequirements)-1] {
verifier.SatisfyRequirement(requirement)
}
require.Equal(t, false, verifier.results.allSatisfied())
})
}

func newExecutionPayloadEnvelopeVerifier(t *testing.T, s *enginev1.SignedExecutionPayloadEnvelope) *EnvelopeVerifier {
e, err := blocks.WrappedROSignedExecutionPayloadEnvelope(s)
require.NoError(t, err)

return &EnvelopeVerifier{
results: newResults(GossipExecutionPayloadEnvelopeRequirements...),
e: e,
}
}
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