prysm-pulse/shared/testutil/helpers_test.go
2021-02-25 05:51:26 -08:00

57 lines
2.0 KiB
Go

package testutil
import (
"bytes"
"encoding/binary"
"testing"
types "github.com/prysmaticlabs/eth2-types"
"github.com/prysmaticlabs/prysm/beacon-chain/core/helpers"
"github.com/prysmaticlabs/prysm/shared/params"
"github.com/prysmaticlabs/prysm/shared/testutil/assert"
"github.com/prysmaticlabs/prysm/shared/testutil/require"
)
func TestBlockSignature(t *testing.T) {
beaconState, privKeys := DeterministicGenesisState(t, 100)
block, err := GenerateFullBlock(beaconState, privKeys, nil, 0)
require.NoError(t, err)
require.NoError(t, beaconState.SetSlot(beaconState.Slot()+1))
proposerIdx, err := helpers.BeaconProposerIndex(beaconState)
assert.NoError(t, err)
assert.NoError(t, beaconState.SetSlot(beaconState.Slot()-1))
epoch := helpers.SlotToEpoch(block.Block.Slot)
blockSig, err := helpers.ComputeDomainAndSign(beaconState, epoch, block.Block, params.BeaconConfig().DomainBeaconProposer, privKeys[proposerIdx])
require.NoError(t, err)
signature, err := BlockSignature(beaconState, block.Block, privKeys)
assert.NoError(t, err)
if !bytes.Equal(blockSig, signature.Marshal()) {
t.Errorf("Expected block signatures to be equal, received %#x != %#x", blockSig, signature.Marshal())
}
}
func TestRandaoReveal(t *testing.T) {
beaconState, privKeys := DeterministicGenesisState(t, 100)
epoch := helpers.CurrentEpoch(beaconState)
randaoReveal, err := RandaoReveal(beaconState, epoch, privKeys)
assert.NoError(t, err)
proposerIdx, err := helpers.BeaconProposerIndex(beaconState)
assert.NoError(t, err)
buf := make([]byte, 32)
binary.LittleEndian.PutUint64(buf, uint64(epoch))
// We make the previous validator's index sign the message instead of the proposer.
sszUint := types.SSZUint64(epoch)
epochSignature, err := helpers.ComputeDomainAndSign(beaconState, epoch, &sszUint, params.BeaconConfig().DomainRandao, privKeys[proposerIdx])
require.NoError(t, err)
if !bytes.Equal(randaoReveal, epochSignature) {
t.Errorf("Expected randao reveals to be equal, received %#x != %#x", randaoReveal, epochSignature)
}
}