util

package
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 Go to latest Published: Oct 5, 2021 License: GPL-3.0 Imports: 40 Imported by: 0

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Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func BazelDirectoryNonEmpty 

func BazelDirectoryNonEmpty(filePath string) (bool, error)

BazelDirectoryNonEmpty returns true if directory exists and is not empty.

func BazelFileBytes 

func BazelFileBytes(filePaths ...string) ([]byte, error)

BazelFileBytes returns the byte array of the bazel file path given.

func BazelListDirectories 

func BazelListDirectories(filepath string) ([]string, error)

BazelListDirectories lists all of the directories in the given directory. Excludes regular files. Returns error when no directories exist.

func BazelListFiles 

func BazelListFiles(filepath string) ([]string, error)

BazelListFiles lists all of the file names in a given directory. Excludes directories. Returns an error when no non-directory files exist.

func BlockSignature 

func BlockSignature(
	bState state.BeaconState,
	block *ethpb.BeaconBlock,
	privKeys []bls.SecretKey,
) (bls.Signature, error)

BlockSignature calculates the post-state root of the block and returns the signature.

func BlockSignatureAltair 

func BlockSignatureAltair(
	bState state.BeaconStateAltair,
	block *ethpb.BeaconBlockAltair,
	privKeys []bls.SecretKey,
) (bls.Signature, error)

BlockSignatureAltair calculates the post-state root of the block and returns the signature.

func DepositTrieFromDeposits 

func DepositTrieFromDeposits(deposits []*ethpb.Deposit) (*trie.SparseMerkleTrie, [][32]byte, error)

DepositTrieFromDeposits takes an array of deposits and returns the deposit trie.

func DepositTrieSubset 

func DepositTrieSubset(sparseTrie *trie.SparseMerkleTrie, size int) (*trie.SparseMerkleTrie, [][32]byte, error)

DepositTrieSubset takes in a full tree and the desired size and returns a subset of the deposit trie.

func DepositsWithBalance 

func DepositsWithBalance(balances []uint64) ([]*ethpb.Deposit, *trie.SparseMerkleTrie, error)

DepositsWithBalance generates N amount of deposits with the balances taken from the passed in balances array. If an empty array is passed,

func DeterministicDepositTrie 

func DeterministicDepositTrie(size int) (*trie.SparseMerkleTrie, [][32]byte, error)

DeterministicDepositTrie returns a merkle trie of the requested size from the deterministic deposits.

func DeterministicDepositsAndKeys 

func DeterministicDepositsAndKeys(numDeposits uint64) ([]*ethpb.Deposit, []bls.SecretKey, error)

DeterministicDepositsAndKeys returns the entered amount of deposits and secret keys. The deposits are configured such that for deposit n the validator account is key n and the withdrawal account is key n+1. As such, if all secret keys for n validators are required then numDeposits should be n+1.

func DeterministicDepositsAndKeysSameValidator 

func DeterministicDepositsAndKeysSameValidator(numDeposits uint64) ([]*ethpb.Deposit, []bls.SecretKey, error)

DeterministicDepositsAndKeysSameValidator returns the entered amount of deposits and secret keys of the same validator. This is for negative test cases such as same deposits from same validators in a block don't result in duplicated validator indices.

func DeterministicEth1Data 

func DeterministicEth1Data(size int) (*ethpb.Eth1Data, error)

DeterministicEth1Data takes an array of deposits and returns the eth1Data made from the deposit trie.

func DeterministicGenesisState 

func DeterministicGenesisState(t testing.TB, numValidators uint64) (state.BeaconState, []bls.SecretKey)

DeterministicGenesisState returns a genesis state made using the deterministic deposits.

func DeterministicGenesisStateAltair 

func DeterministicGenesisStateAltair(t testing.TB, numValidators uint64) (state.BeaconStateAltair, []bls.SecretKey)

DeterministicGenesisStateAltair returns a genesis state in hard fork 1 format made using the deterministic deposits.

func FillRootsNaturalOpt 

func FillRootsNaturalOpt(state *ethpb.BeaconState) error

FillRootsNaturalOpt is meant to be used as an option when calling NewBeaconState. It fills state and block roots with hex representations of natural numbers starting with 0. Example: 16 becomes 0x00...0f.

func GenerateAttestations 

func GenerateAttestations(
	bState state.BeaconState, privs []bls.SecretKey, numToGen uint64, slot types.Slot, randomRoot bool,
) ([]*ethpb.Attestation, error)

GenerateAttestations creates attestations that are entirely valid, for all the committees of the current state slot. This function expects attestations requested to be cleanly divisible by committees per slot. If there is 1 committee in the slot, and numToGen is set to 4, then it will return 4 attestations for the same data with their aggregation bits split uniformly.

If you request 4 attestations, but there are 8 committees, you will get 4 fully aggregated attestations.

func GenerateAttesterSlashingForValidator 

func GenerateAttesterSlashingForValidator(
	bState state.BeaconState,
	priv bls.SecretKey,
	idx types.ValidatorIndex,
) (*ethpb.AttesterSlashing, error)

GenerateAttesterSlashingForValidator for a specific validator index.

func GenerateFullBlock 

func GenerateFullBlock(
	bState state.BeaconState,
	privs []bls.SecretKey,
	conf *BlockGenConfig,
	slot types.Slot,
) (*ethpb.SignedBeaconBlock, error)

GenerateFullBlock generates a fully valid block with the requested parameters. Use BlockGenConfig to declare the conditions you would like the block generated under.

func GenerateFullBlockAltair 

func GenerateFullBlockAltair(
	bState state.BeaconState,
	privs []bls.SecretKey,
	conf *BlockGenConfig,
	slot types.Slot,
) (*ethpb.SignedBeaconBlockAltair, error)

GenerateFullBlockAltair generates a fully valid block with the requested parameters. Use BlockGenConfig to declare the conditions you would like the block generated under.

func GenerateProposerSlashingForValidator 

func GenerateProposerSlashingForValidator(
	bState state.BeaconState,
	priv bls.SecretKey,
	idx types.ValidatorIndex,
) (*ethpb.ProposerSlashing, error)

GenerateProposerSlashingForValidator for a specific validator index.

func GenesisBeaconState 

func GenesisBeaconState(ctx context.Context, deposits []*ethpb.Deposit, genesisTime uint64, eth1Data *ethpb.Eth1Data) (state.BeaconStateAltair, error)

GenesisBeaconState returns the genesis beacon state.

func HydrateAttestation 

func HydrateAttestation(a *ethpb.Attestation) *ethpb.Attestation

HydrateAttestation hydrates an attestation object with correct field length sizes to comply with fssz marshalling and unmarshalling rules.

func HydrateAttestationData 

func HydrateAttestationData(d *ethpb.AttestationData) *ethpb.AttestationData

HydrateAttestationData hydrates an attestation data object with correct field length sizes to comply with fssz marshalling and unmarshalling rules.

func HydrateBeaconBlock 

func HydrateBeaconBlock(b *ethpb.BeaconBlock) *ethpb.BeaconBlock

HydrateBeaconBlock hydrates a beacon block with correct field length sizes to comply with fssz marshalling and unmarshalling rules.

func HydrateBeaconBlockAltair 

func HydrateBeaconBlockAltair(b *ethpb.BeaconBlockAltair) *ethpb.BeaconBlockAltair

HydrateBeaconBlockAltair hydrates a beacon block with correct field length sizes to comply with fssz marshalling and unmarshalling rules.

func HydrateBeaconBlockBody 

func HydrateBeaconBlockBody(b *ethpb.BeaconBlockBody) *ethpb.BeaconBlockBody

HydrateBeaconBlockBody hydrates a beacon block body with correct field length sizes to comply with fssz marshalling and unmarshalling rules.

func HydrateBeaconBlockBodyAltair 

func HydrateBeaconBlockBodyAltair(b *ethpb.BeaconBlockBodyAltair) *ethpb.BeaconBlockBodyAltair

HydrateBeaconBlockBodyAltair hydrates a beacon block body with correct field length sizes to comply with fssz marshalling and unmarshalling rules.

func HydrateBeaconHeader 

func HydrateBeaconHeader(h *ethpb.BeaconBlockHeader) *ethpb.BeaconBlockHeader

HydrateBeaconHeader hydrates a beacon block header with correct field length sizes to comply with fssz marshalling and unmarshalling rules.

func HydrateIndexedAttestation 

func HydrateIndexedAttestation(a *ethpb.IndexedAttestation) *ethpb.IndexedAttestation

HydrateIndexedAttestation hydrates an indexed attestation with correct field length sizes to comply with fssz marshalling and unmarshalling rules.

func HydrateSignedBeaconBlock 

func HydrateSignedBeaconBlock(b *ethpb.SignedBeaconBlock) *ethpb.SignedBeaconBlock

HydrateSignedBeaconBlock hydrates a signed beacon block with correct field length sizes to comply with fssz marshalling and unmarshalling rules.

func HydrateSignedBeaconBlockAltair 

func HydrateSignedBeaconBlockAltair(b *ethpb.SignedBeaconBlockAltair) *ethpb.SignedBeaconBlockAltair

HydrateSignedBeaconBlockAltair hydrates a signed beacon block with correct field length sizes to comply with fssz marshalling and unmarshalling rules.

func HydrateSignedBeaconHeader 

func HydrateSignedBeaconHeader(h *ethpb.SignedBeaconBlockHeader) *ethpb.SignedBeaconBlockHeader

HydrateSignedBeaconHeader hydrates a signed beacon block header with correct field length sizes to comply with fssz marshalling and unmarshalling rules.

func HydrateSyncCommittee 

func HydrateSyncCommittee(s *ethpb.SyncCommitteeMessage) *ethpb.SyncCommitteeMessage

HydrateSyncCommittee hydrates the provided sync committee message.

func HydrateV1Attestation 

func HydrateV1Attestation(a *attv1.Attestation) *attv1.Attestation

HydrateV1Attestation hydrates a v1 attestation object with correct field length sizes to comply with fssz marshalling and unmarshalling rules.

func HydrateV1AttestationData 

func HydrateV1AttestationData(d *attv1.AttestationData) *attv1.AttestationData

HydrateV1AttestationData hydrates a v1 attestation data object with correct field length sizes to comply with fssz marshalling and unmarshalling rules.

func HydrateV1BeaconBlock 

func HydrateV1BeaconBlock(b *v1.BeaconBlock) *v1.BeaconBlock

HydrateV1BeaconBlock hydrates a beacon block with correct field length sizes to comply with fssz marshalling and unmarshalling rules.

func HydrateV1BeaconBlockBody 

func HydrateV1BeaconBlockBody(b *v1.BeaconBlockBody) *v1.BeaconBlockBody

HydrateV1BeaconBlockBody hydrates a beacon block body with correct field length sizes to comply with fssz marshalling and unmarshalling rules.

func HydrateV1SignedBeaconBlock 

func HydrateV1SignedBeaconBlock(b *v1.SignedBeaconBlock) *v1.SignedBeaconBlock

HydrateV1SignedBeaconBlock hydrates a signed beacon block with correct field length sizes to comply with fssz marshalling and unmarshalling rules.

func HydrateV2BeaconBlock 

func HydrateV2BeaconBlock(b *v2.BeaconBlockAltair) *v2.BeaconBlockAltair

HydrateV2BeaconBlock hydrates a beacon block with correct field length sizes to comply with fssz marshalling and unmarshalling rules.

func HydrateV2BeaconBlockBody 

func HydrateV2BeaconBlockBody(b *v2.BeaconBlockBodyAltair) *v2.BeaconBlockBodyAltair

HydrateV2BeaconBlockBody hydrates a beacon block body with correct field length sizes to comply with fssz marshalling and unmarshalling rules.

func HydrateV2SignedBeaconBlock 

func HydrateV2SignedBeaconBlock(b *v2.SignedBeaconBlockAltair) *v2.SignedBeaconBlockAltair

HydrateV2SignedBeaconBlock hydrates a signed beacon block with correct field length sizes to comply with fssz marshalling and unmarshalling rules.

func NewAttestation 

func NewAttestation() *ethpb.Attestation

NewAttestation creates an attestation block with minimum marshalable fields.

func NewBeaconBlock 

func NewBeaconBlock() *ethpb.SignedBeaconBlock

NewBeaconBlock creates a beacon block with minimum marshalable fields.

func NewBeaconBlockAltair 

func NewBeaconBlockAltair() *ethpb.SignedBeaconBlockAltair

NewBeaconBlockAltair creates a beacon block with minimum marshalable fields.

func NewBeaconState 

func NewBeaconState(options ...func(state *ethpb.BeaconState) error) (*v1.BeaconState, error)

NewBeaconState creates a beacon state with minimum marshalable fields.

func RandaoReveal 

func RandaoReveal(beaconState state.ReadOnlyBeaconState, epoch types.Epoch, privKeys []bls.SecretKey) ([]byte, error)

RandaoReveal returns a signature of the requested epoch using the beacon proposer private key.

func Random32Bytes 

func Random32Bytes(t *testing.T) []byte

Random32Bytes generates a random 32 byte slice.

func WaitTimeout 

func WaitTimeout(wg *sync.WaitGroup, timeout time.Duration) bool

WaitTimeout will wait for a WaitGroup to resolve within a timeout interval. Returns true if the waitgroup exceeded the timeout.

Types

type BlockGenConfig 

type BlockGenConfig struct {
	NumProposerSlashings uint64
	NumAttesterSlashings uint64
	NumAttestations      uint64
	NumDeposits          uint64
	NumVoluntaryExits    uint64
}

BlockGenConfig is used to define the requested conditions for block generation.

func DefaultBlockGenConfig 

func DefaultBlockGenConfig() *BlockGenConfig

DefaultBlockGenConfig returns the block config that utilizes the current params in the beacon config.

Source Files

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