prysm-pulse/beacon-chain/core/blocks/randao_test.go
Raul Jordan 5aac06f04e
Move EthereumAPIs Into Prysm (#8968)
* begin move

* use same import path

* imports

* regen protos

* regen

* no rename

* generate ssz

* gaz

* fmt

* edit build file

* imports

* modify

* remove generated files

* remove protos

* edit imports in prysm

* beacon chain all builds

* edit script

* add generated pbs

* add replace rules

* license for ethereumapis protos

* change visibility

* fmt

* update build files to gaz ignore

* use proper form

* edit imports

* wrap block

* revert scripts

* revert go mod
2021-06-02 18:49:52 -05:00

90 lines
3.2 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"
pb "github.com/prysmaticlabs/prysm/proto/beacon/p2p/v1"
ethpb "github.com/prysmaticlabs/prysm/proto/eth/v1alpha1"
"github.com/prysmaticlabs/prysm/shared/interfaces"
"github.com/prysmaticlabs/prysm/shared/params"
"github.com/prysmaticlabs/prysm/shared/testutil"
"github.com/prysmaticlabs/prysm/shared/testutil/assert"
"github.com/prysmaticlabs/prysm/shared/testutil/require"
)
func TestProcessRandao_IncorrectProposerFailsVerification(t *testing.T) {
beaconState, privKeys := testutil.DeterministicGenesisState(t, 100)
// We fetch the proposer's index as that is whom the RANDAO will be verified against.
proposerIdx, err := helpers.BeaconProposerIndex(beaconState)
require.NoError(t, err)
epoch := types.Epoch(0)
buf := make([]byte, 32)
binary.LittleEndian.PutUint64(buf, uint64(epoch))
domain, err := helpers.Domain(beaconState.Fork(), epoch, params.BeaconConfig().DomainRandao, beaconState.GenesisValidatorRoot())
require.NoError(t, err)
root, err := (&pb.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 := testutil.NewBeaconBlock()
b.Block = &ethpb.BeaconBlock{
Body: &ethpb.BeaconBlockBody{
RandaoReveal: epochSignature.Marshal(),
},
}
want := "block randao: signature did not verify"
_, err = blocks.ProcessRandao(context.Background(), beaconState, interfaces.WrappedPhase0SignedBeaconBlock(b))
assert.ErrorContains(t, want, err)
}
func TestProcessRandao_SignatureVerifiesAndUpdatesLatestStateMixes(t *testing.T) {
beaconState, privKeys := testutil.DeterministicGenesisState(t, 100)
epoch := helpers.CurrentEpoch(beaconState)
epochSignature, err := testutil.RandaoReveal(beaconState, epoch, privKeys)
require.NoError(t, err)
b := testutil.NewBeaconBlock()
b.Block = &ethpb.BeaconBlock{
Body: &ethpb.BeaconBlockBody{
RandaoReveal: epochSignature,
},
}
newState, err := blocks.ProcessRandao(
context.Background(),
beaconState,
interfaces.WrappedPhase0SignedBeaconBlock(b),
)
require.NoError(t, err, "Unexpected error processing block randao")
currentEpoch := helpers.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 := testutil.DeterministicGenesisState(t, 100)
epoch := helpers.CurrentEpoch(beaconState)
epochSignature, err := testutil.RandaoReveal(beaconState, epoch, privKeys)
require.NoError(t, err)
block := &ethpb.BeaconBlock{
Body: &ethpb.BeaconBlockBody{
RandaoReveal: epochSignature,
},
}
set, err := blocks.RandaoSignatureSet(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")
}