prysm-pulse/beacon-chain/core/blocks/randao_test.go
Radosław Kapka c5c039fd6b
Unify GenesisValidator(s)Root throughout the codebase (#10230)
* Unify `GenesisValidator(s)Root` throughout the codebase

* comments and literals

Co-authored-by: prylabs-bulldozer[bot] <58059840+prylabs-bulldozer[bot]@users.noreply.github.com>
Co-authored-by: terence tsao <terence@prysmaticlabs.com>
2022-02-14 13:34:38 +00:00

91 lines
3.3 KiB
Go

package blocks_test
import (
"context"
"encoding/binary"
"testing"
types "github.com/prysmaticlabs/eth2-types"
"github.com/prysmaticlabs/prysm/beacon-chain/core/blocks"
"github.com/prysmaticlabs/prysm/beacon-chain/core/helpers"
"github.com/prysmaticlabs/prysm/beacon-chain/core/signing"
"github.com/prysmaticlabs/prysm/beacon-chain/core/time"
"github.com/prysmaticlabs/prysm/config/params"
ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
"github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1/wrapper"
"github.com/prysmaticlabs/prysm/testing/assert"
"github.com/prysmaticlabs/prysm/testing/require"
"github.com/prysmaticlabs/prysm/testing/util"
)
func TestProcessRandao_IncorrectProposerFailsVerification(t *testing.T) {
beaconState, privKeys := util.DeterministicGenesisState(t, 100)
// We fetch the proposer's index as that is whom the RANDAO will be verified against.
proposerIdx, err := helpers.BeaconProposerIndex(context.Background(), beaconState)
require.NoError(t, err)
epoch := types.Epoch(0)
buf := make([]byte, 32)
binary.LittleEndian.PutUint64(buf, uint64(epoch))
domain, err := signing.Domain(beaconState.Fork(), epoch, params.BeaconConfig().DomainRandao, beaconState.GenesisValidatorsRoot())
require.NoError(t, err)
root, err := (&ethpb.SigningData{ObjectRoot: buf, Domain: domain}).HashTreeRoot()
require.NoError(t, err)
// We make the previous validator's index sign the message instead of the proposer.
epochSignature := privKeys[proposerIdx-1].Sign(root[:])
b := util.NewBeaconBlock()
b.Block = &ethpb.BeaconBlock{
Body: &ethpb.BeaconBlockBody{
RandaoReveal: epochSignature.Marshal(),
},
}
want := "block randao: signature did not verify"
_, err = blocks.ProcessRandao(context.Background(), beaconState, wrapper.WrappedPhase0SignedBeaconBlock(b))
assert.ErrorContains(t, want, err)
}
func TestProcessRandao_SignatureVerifiesAndUpdatesLatestStateMixes(t *testing.T) {
beaconState, privKeys := util.DeterministicGenesisState(t, 100)
epoch := time.CurrentEpoch(beaconState)
epochSignature, err := util.RandaoReveal(beaconState, epoch, privKeys)
require.NoError(t, err)
b := util.NewBeaconBlock()
b.Block = &ethpb.BeaconBlock{
Body: &ethpb.BeaconBlockBody{
RandaoReveal: epochSignature,
},
}
newState, err := blocks.ProcessRandao(
context.Background(),
beaconState,
wrapper.WrappedPhase0SignedBeaconBlock(b),
)
require.NoError(t, err, "Unexpected error processing block randao")
currentEpoch := time.CurrentEpoch(beaconState)
mix := newState.RandaoMixes()[currentEpoch%params.BeaconConfig().EpochsPerHistoricalVector]
assert.DeepNotEqual(t, params.BeaconConfig().ZeroHash[:], mix, "Expected empty signature to be overwritten by randao reveal")
}
func TestRandaoSignatureSet_OK(t *testing.T) {
beaconState, privKeys := util.DeterministicGenesisState(t, 100)
epoch := time.CurrentEpoch(beaconState)
epochSignature, err := util.RandaoReveal(beaconState, epoch, privKeys)
require.NoError(t, err)
block := &ethpb.BeaconBlock{
Body: &ethpb.BeaconBlockBody{
RandaoReveal: epochSignature,
},
}
set, err := blocks.RandaoSignatureBatch(context.Background(), beaconState, block.Body.RandaoReveal)
require.NoError(t, err)
verified, err := set.Verify()
require.NoError(t, err)
assert.Equal(t, true, verified, "Unable to verify randao signature set")
}