utils

package
v0.1.3 Latest Latest
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 Go to latest Published: Jan 16, 2024 License: GPL-3.0 Imports: 22 Imported by: 1

Documentation

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func ByteCount 

func ByteCount(b uint64) string

func Clean 

func Clean() []string

Clean cleans old unused locks. Returns removed keys.

func ConvertAddressToH160 

func ConvertAddressToH160(addr [20]byte) *types_pb.H160

func ConvertAddrsToH160 

func ConvertAddrsToH160(ps []types.Address) []*types_pb.H160

func ConvertBytesToH2048 

func ConvertBytesToH2048(data []byte) *types_pb.H2048

func ConvertBytesToH512 

func ConvertBytesToH512(b []byte) *types_pb.H512

func ConvertFromInterfacePrivKey 

func ConvertFromInterfacePrivKey(privkey crypto.PrivKey) (*ecdsa.PrivateKey, error)

func ConvertH160ToPAddress 

func ConvertH160ToPAddress(h160 *types_pb.H160) *types.Address

func ConvertH160toAddress 

func ConvertH160toAddress(h160 *types_pb.H160) [20]byte

func ConvertH2048ToBloom 

func ConvertH2048ToBloom(h2048 *types_pb.H2048) [256]byte

func ConvertH256ToHash 

func ConvertH256ToHash(h256 *types_pb.H256) [32]byte

func ConvertH256ToUint256Int 

func ConvertH256ToUint256Int(h256 *types_pb.H256) *uint256.Int

func ConvertH384ToPublicKey 

func ConvertH384ToPublicKey(h384 *types_pb.H384) [48]byte

func ConvertH512ToBytes 

func ConvertH512ToBytes(h512 *types_pb.H512) []byte

func ConvertH512ToHash 

func ConvertH512ToHash(h512 *types_pb.H512) [64]byte

func ConvertH768ToSignature 

func ConvertH768ToSignature(h768 *types_pb.H768) [96]byte

func ConvertHashToH256 

func ConvertHashToH256(hash [32]byte) *types_pb.H256

func ConvertHashToH512 

func ConvertHashToH512(hash [64]byte) *types_pb.H512

func ConvertHashesToH256 

func ConvertHashesToH256(hashes []types.Hash) []*types_pb.H256

func ConvertPublicKeyToH384 

func ConvertPublicKeyToH384(p [48]byte) *types_pb.H384

func ConvertPubsToH384 

func ConvertPubsToH384(ps []types.PublicKey) []*types_pb.H384

func ConvertSignatureToH768 

func ConvertSignatureToH768(p [96]byte) *types_pb.H768

func ConvertToInterfacePrivkey 

func ConvertToInterfacePrivkey(privkey *ecdsa.PrivateKey) (crypto.PrivKey, error)

func ConvertToInterfacePubkey 

func ConvertToInterfacePubkey(pubkey *ecdsa.PublicKey) (crypto.PubKey, error)

func ConvertUint256IntToH256 

func ConvertUint256IntToH256(i *uint256.Int) *types_pb.H256

func Copy 

func Copy(b []byte) []byte

func CreateForkDigest 

func CreateForkDigest(currentBlockNr *uint256.Int, genesisValidatorsRoot types.Hash) ([4]byte, error)

CreateForkDigest creates a fork digest from a genesis time and genesis validators root, utilizing the current slot to determine the active fork version in the node.

func EnsureEnoughSize 

func EnsureEnoughSize(in []byte, size int) []byte

func Exists 

func Exists(path string) bool

func ExternalIP 

func ExternalIP() (string, error)

ExternalIP returns the first IPv4/IPv6 available.

func ExternalIPv4 

func ExternalIPv4() (string, error)

ExternalIPv4 returns the first IPv4 available.

func H160sToAddress 

func H160sToAddress(ps []*types_pb.H160) []types.Address

func H256sToHashes 

func H256sToHashes(h256s []*types_pb.H256) []types.Hash

func H384sToPubs 

func H384sToPubs(ps []*types_pb.H384) []types.PublicKey

func Hash256toS 

func Hash256toS(data []byte) string

func HexPrefix 

func HexPrefix(a, b []byte) ([]byte, int)

func IPAddr 

func IPAddr() net.IP

IPAddr gets the external ipv4 address and converts into a libp2p formatted value.

func Keccak256 

func Keccak256(data ...[]byte) []byte

func Keccak256Hash 

func Keccak256Hash(data ...[]byte) (h types.Hash)

Keccak256Hash calculates and returns the Keccak256 hash of the input data, converting it to an internal Hash data structure.

func MBToGB 

func MBToGB(b uint64) (float64, int)

func MkdirAll 

func MkdirAll(path string, perm os.FileMode) error

func NewContext 

func NewContext(ctx context.Context, s AppInfo) context.Context

NewContext returns a new Context that carries value.

func PrivateToString 

func PrivateToString(key crypto.PrivKey) (string, error)

func PublicToString 

func PublicToString(key crypto.PubKey) (string, error)

func RunEvery 

func RunEvery(ctx context.Context, period time.Duration, f func())

RunEvery runs the provided command periodically. It runs in a goroutine, and can be cancelled by finishing the supplied context.

func SortAddresses 

func SortAddresses(ipAddrs []net.IP) []net.IP

SortAddresses sorts a set of addresses in the order of ipv4 -> ipv6.

func SplitAndTrim 

func SplitAndTrim(input string) (ret []string)

SplitAndTrim splits input separated by a comma and trims excessive white space from the substrings.

func StringToPrivate 

func StringToPrivate(s string) (crypto.PrivKey, error)

func StringToPublic 

func StringToPublic(s string) (crypto.PubKey, error)

func ToBytes20 

func ToBytes20(x []byte) [20]byte

ToBytes20 is a convenience method for converting a byte slice to a fix sized 20 byte array. This method will truncate the input if it is larger than 20 bytes.

func ToBytes32 

func ToBytes32(x []byte) [32]byte

ToBytes32 is a convenience method for converting a byte slice to a fix sized 32 byte array. This method will truncate the input if it is larger than 32 bytes.

func ToBytes4 

func ToBytes4(x []byte) [4]byte

ToBytes4 is a convenience method for converting a byte slice to a fix sized 4 byte array. This method will truncate the input if it is larger than 4 bytes.

func ToBytes48 

func ToBytes48(x []byte) [48]byte

ToBytes48 is a convenience method for converting a byte slice to a fix sized 48 byte array. This method will truncate the input if it is larger than 48 bytes.

func ToBytes64 

func ToBytes64(x []byte) [64]byte

ToBytes64 is a convenience method for converting a byte slice to a fix sized 64 byte array. This method will truncate the input if it is larger than 64 bytes.

func ToBytes96 

func ToBytes96(x []byte) [96]byte

ToBytes96 is a convenience method for converting a byte slice to a fix sized 96 byte array. This method will truncate the input if it is larger than 96 bytes.

func Uint256sToH256 

func Uint256sToH256(u256s []uint256.Int) []*types_pb.H256

Types

type AppInfo 

type AppInfo interface {
	ID() string
	Name() string
	Version() string
	Amcdata() map[string]string
	Endpoint() []string
}

func FromContext 

func FromContext(ctx context.Context) (s AppInfo, ok bool)

FromContext returns the Transport value stored in ctx, if any.

type Lock 

type Lock struct {
	// contains filtered or unexported fields
}

func NewMultilock 

func NewMultilock(locks ...string) *Lock

NewMultilock creates a new multilock for the specified keys

func (*Lock) Lock 

func (lk *Lock) Lock()

func (*Lock) Unlock 

func (lk *Lock) Unlock()

Unlock unlocks this lock. Must be called after Lock. Can only be invoked if there is a previous call to Lock.

func (*Lock) Yield 

func (lk *Lock) Yield()

Yield temporarily unlocks, gives up the cpu time to other goroutine, and attempts to lock again.

Source Files

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