package testutil import ( "bytes" "encoding/binary" "testing" "github.com/prysmaticlabs/go-ssz" "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/params" ) func TestSetupInitialDeposits(t *testing.T) { entries := 1 deposits, depositDataRoots, privKeys := SetupInitialDeposits(t, uint64(entries)) if len(deposits) != entries { t.Fatalf("incorrect number of deposits returned, wanted %d but received %d", entries, len(deposits)) } if len(privKeys) != entries { t.Fatalf("incorrect number of private keys returned, wanted %d but received %d", entries, len(privKeys)) } expectedPublicKeyAt0 := []byte{0xa9, 0x9a, 0x76, 0xed, 0x77, 0x96, 0xf7, 0xbe, 0x22, 0xd5, 0xb7, 0xe8, 0x5d, 0xee, 0xb7, 0xc5, 0x67, 0x7e, 0x88, 0xe5, 0x11, 0xe0, 0xb3, 0x37, 0x61, 0x8f, 0x8c, 0x4e, 0xb6, 0x13, 0x49, 0xb4, 0xbf, 0x2d, 0x15, 0x3f, 0x64, 0x9f, 0x7b, 0x53, 0x35, 0x9f, 0xe8, 0xb9, 0x4a, 0x38, 0xe4, 0x4c} if !bytes.Equal(deposits[0].Data.PublicKey, expectedPublicKeyAt0) { t.Fatalf("incorrect public key, wanted %x but received %x", expectedPublicKeyAt0, deposits[0].Data.PublicKey) } expectedWithdrawalCredentialsAt0 := []byte{0x00, 0xec, 0x7e, 0xf7, 0x78, 0x0c, 0x9d, 0x15, 0x15, 0x97, 0x92, 0x40, 0x36, 0x26, 0x2d, 0xd2, 0x8d, 0xc6, 0x0e, 0x12, 0x28, 0xf4, 0xda, 0x6f, 0xec, 0xf9, 0xd4, 0x02, 0xcb, 0x3f, 0x35, 0x94} if !bytes.Equal(deposits[0].Data.WithdrawalCredentials, expectedWithdrawalCredentialsAt0) { t.Fatalf("incorrect withdrawal credentials, wanted %x but received %x", expectedWithdrawalCredentialsAt0, deposits[0].Data.WithdrawalCredentials) } expectedDepositDataRootAt0 := []byte{0xc2, 0x58, 0x8b, 0xb0, 0x44, 0xf5, 0xe8, 0xaf, 0xb9, 0xb1, 0xcc, 0xb7, 0xe0, 0x83, 0x30, 0x35, 0x83, 0x18, 0xf2, 0x56, 0x27, 0x96, 0xfa, 0xad, 0xce, 0x92, 0x03, 0x50, 0x64, 0xaa, 0xf1, 0x3d} if !bytes.Equal(depositDataRoots[0][:], expectedDepositDataRootAt0) { t.Fatalf("incorrect deposit data root, wanted %x but received %x", expectedDepositDataRootAt0, depositDataRoots[0]) } expectedSignatureAt0 := []byte{0xb3, 0xb9, 0x6e, 0xba, 0x50, 0xfa, 0x47, 0x49, 0x26, 0xfa, 0x46, 0xbb, 0xea, 0x3c, 0x8c, 0x73, 0x4c, 0x85, 0xc9, 0x70, 0x4e, 0x54, 0xb7, 0x19, 0xe5, 0x4e, 0x1b, 0xc5, 0x83, 0x77, 0xdd, 0x00, 0x30, 0x0b, 0x9e, 0xe4, 0xb0, 0x5b, 0xb2, 0x7b, 0x81, 0x8b, 0x38, 0xeb, 0xa2, 0x89, 0xcb, 0xe0, 0x06, 0x7a, 0x34, 0x56, 0xbc, 0xb8, 0xad, 0x59, 0xd0, 0x17, 0xfc, 0xf0, 0x04, 0xe5, 0xf1, 0xc5, 0xff, 0x1b, 0xf2, 0xe4, 0x89, 0x6b, 0x53, 0x2f, 0x4a, 0xea, 0x4b, 0x4c, 0x47, 0x06, 0x9a, 0x26, 0xe3, 0x85, 0x98, 0xf3, 0xd3, 0x37, 0x04, 0x7b, 0x8d, 0x0b, 0xd5, 0x25, 0xe4, 0x9f, 0xfc, 0xd2} if !bytes.Equal(deposits[0].Data.Signature, expectedSignatureAt0) { t.Fatalf("incorrect signature, wanted %x but received %x", expectedSignatureAt0, deposits[0].Data.Signature) } entries = 1024 deposits, depositDataRoots, privKeys = SetupInitialDeposits(t, uint64(entries)) if len(deposits) != entries { t.Fatalf("incorrect number of deposits returned, wanted %d but received %d", entries, len(deposits)) } if len(privKeys) != entries { t.Fatalf("incorrect number of private keys returned, wanted %d but received %d", entries, len(privKeys)) } // Ensure 0 has not changed if !bytes.Equal(deposits[0].Data.PublicKey, expectedPublicKeyAt0) { t.Fatalf("incorrect public key, wanted %x but received %x", expectedPublicKeyAt0, deposits[0].Data.PublicKey) } if !bytes.Equal(deposits[0].Data.WithdrawalCredentials, expectedWithdrawalCredentialsAt0) { t.Fatalf("incorrect withdrawal credentials, wanted %x but received %x", expectedWithdrawalCredentialsAt0, deposits[0].Data.WithdrawalCredentials) } if !bytes.Equal(depositDataRoots[0][:], expectedDepositDataRootAt0) { t.Fatalf("incorrect deposit data root, wanted %x but received %x", expectedDepositDataRootAt0, depositDataRoots[0]) } if !bytes.Equal(deposits[0].Data.Signature, expectedSignatureAt0) { t.Fatalf("incorrect signature, wanted %x but received %x", expectedSignatureAt0, deposits[0].Data.Signature) } expectedPublicKeyAt1023 := []byte{0x81, 0x2b, 0x93, 0x5e, 0xc8, 0x4b, 0x0e, 0x9a, 0x83, 0x95, 0x55, 0xaf, 0x33, 0x60, 0xca, 0xfb, 0x83, 0x1b, 0xd6, 0x12, 0xcf, 0xa2, 0x2e, 0x25, 0xea, 0xb0, 0x3c, 0xf5, 0xfd, 0xb0, 0x2a, 0xf5, 0x2b, 0xa4, 0x01, 0x7a, 0xee, 0xa8, 0x8a, 0x2f, 0x62, 0x2c, 0x78, 0x6e, 0x7f, 0x47, 0x6f, 0x4b} if !bytes.Equal(deposits[1023].Data.PublicKey, expectedPublicKeyAt1023) { t.Fatalf("incorrect public key, wanted %x but received %x", expectedPublicKeyAt1023, deposits[1023].Data.PublicKey) } expectedWithdrawalCredentialsAt1023 := []byte{0x00, 0x23, 0xd5, 0x76, 0xbc, 0x6c, 0x15, 0xdb, 0xc4, 0x34, 0x70, 0x1f, 0x3f, 0x41, 0xfd, 0x3e, 0x67, 0x59, 0xd2, 0xea, 0x7c, 0xdc, 0x64, 0x71, 0x0e, 0xe2, 0x8d, 0xde, 0xf7, 0xd2, 0xda, 0x28} if !bytes.Equal(deposits[1023].Data.WithdrawalCredentials, expectedWithdrawalCredentialsAt1023) { t.Fatalf("incorrect withdrawal credentials, wanted %x but received %x", expectedWithdrawalCredentialsAt1023, deposits[1023].Data.WithdrawalCredentials) } expectedDepositDataRootAt1023 := []byte{0x54, 0x45, 0x80, 0xf3, 0xc3, 0x87, 0xdd, 0xfb, 0x1f, 0xf7, 0x03, 0xab, 0x15, 0xc9, 0x5b, 0x56, 0x2c, 0x29, 0x04, 0x7b, 0x17, 0xb4, 0xa0, 0x19, 0x69, 0xd6, 0x45, 0x7d, 0xec, 0x4e, 0x87, 0xfc} if !bytes.Equal(depositDataRoots[1023][:], expectedDepositDataRootAt1023) { t.Fatalf("incorrect deposit data root, wanted %x but received %x", expectedDepositDataRootAt1023, depositDataRoots[1023]) } expectedSignatureAt1023 := []byte{0xa2, 0xad, 0x23, 0x3b, 0x6d, 0xa0, 0xd9, 0xf8, 0xb4, 0xac, 0xe0, 0xc9, 0xae, 0x25, 0x81, 0xfb, 0xca, 0x2d, 0x0a, 0xed, 0x6a, 0xdc, 0xd6, 0xda, 0x49, 0x0a, 0x75, 0xab, 0x3a, 0x3c, 0xc6, 0x37, 0xec, 0x65, 0xe3, 0x3d, 0xbc, 0x00, 0xad, 0xd8, 0x5f, 0x1e, 0x7b, 0x93, 0xcd, 0x63, 0x74, 0x8e, 0x0c, 0x28, 0x60, 0x4f, 0x99, 0x33, 0x6a, 0x29, 0x21, 0x57, 0xb6, 0xe0, 0x45, 0x9f, 0xaa, 0x10, 0xe9, 0x78, 0x02, 0x01, 0x68, 0x65, 0xcf, 0x6a, 0x4c, 0x2a, 0xd5, 0x5f, 0x37, 0xa1, 0x66, 0x05, 0x2b, 0x55, 0x86, 0xe7, 0x68, 0xb7, 0xfd, 0x76, 0xd5, 0x91, 0x3e, 0xeb, 0x6e, 0x46, 0x3f, 0x6d} if !bytes.Equal(deposits[1023].Data.Signature, expectedSignatureAt1023) { t.Fatalf("incorrect signature, wanted %x but received %x", expectedSignatureAt1023, deposits[1023].Data.Signature) } } func TestSignBlock(t *testing.T) { deposits, _, privKeys := SetupInitialDeposits(t, 100) validators := make([]*ethpb.Validator, len(deposits)) for i := 0; i < len(validators); i++ { validators[i] = ðpb.Validator{ ExitEpoch: params.BeaconConfig().FarFutureEpoch, PublicKey: privKeys[i].PublicKey().Marshal()[:], } } beaconState := &pb.BeaconState{ Slot: 0, Fork: &pb.Fork{ CurrentVersion: params.BeaconConfig().GenesisForkVersion, PreviousVersion: params.BeaconConfig().GenesisForkVersion, }, Validators: validators, RandaoMixes: make([][]byte, params.BeaconConfig().EpochsPerHistoricalVector), ActiveIndexRoots: make([][]byte, params.BeaconConfig().EpochsPerHistoricalVector), } block := ðpb.BeaconBlock{ Slot: 0, ParentRoot: []byte{0xC0}, } proposerIdx, err := helpers.BeaconProposerIndex(beaconState) if err != nil { t.Error(err) } signingRoot, err := ssz.SigningRoot(block) if err != nil { t.Error(err) } epoch := helpers.SlotToEpoch(block.Slot) domain := helpers.Domain(beaconState.Fork, epoch, params.BeaconConfig().DomainBeaconProposer) blockSig := privKeys[proposerIdx].Sign(signingRoot[:], domain).Marshal() signedBlock, err := SignBlock(beaconState, block, privKeys) if err != nil { t.Error(err) } if !bytes.Equal(blockSig[:], signedBlock.Signature) { t.Errorf("Expected block signatures to be equal, received %#x != %#x", blockSig[:], signedBlock.Signature) } } func TestCreateRandaoReveal(t *testing.T) { deposits, _, privKeys := SetupInitialDeposits(t, 100) validators := make([]*ethpb.Validator, len(deposits)) for i := 0; i < len(validators); i++ { validators[i] = ðpb.Validator{ ExitEpoch: params.BeaconConfig().FarFutureEpoch, PublicKey: privKeys[i].PublicKey().Marshal()[:], } } beaconState := &pb.BeaconState{ Slot: 0, Fork: &pb.Fork{ CurrentVersion: params.BeaconConfig().GenesisForkVersion, PreviousVersion: params.BeaconConfig().GenesisForkVersion, }, Validators: validators, RandaoMixes: make([][]byte, params.BeaconConfig().EpochsPerHistoricalVector), ActiveIndexRoots: make([][]byte, params.BeaconConfig().EpochsPerHistoricalVector), } epoch := helpers.CurrentEpoch(beaconState) randaoReveal, err := CreateRandaoReveal(beaconState, epoch, privKeys) if err != nil { t.Error(err) } proposerIdx, err := helpers.BeaconProposerIndex(beaconState) if err != nil { t.Error(err) } buf := make([]byte, 32) binary.LittleEndian.PutUint64(buf, epoch) domain := helpers.Domain(beaconState.Fork, epoch, params.BeaconConfig().DomainRandao) // We make the previous validator's index sign the message instead of the proposer. epochSignature := privKeys[proposerIdx].Sign(buf, domain).Marshal() if !bytes.Equal(randaoReveal[:], epochSignature[:]) { t.Errorf("Expected randao reveals to be equal, received %#x != %#x", randaoReveal[:], epochSignature[:]) } }