BigTo256 converts big number to 32 bytes array.

FreePort gets free network port on host.

GetUnusedNetAddr return array of n unused ports starting with base port NB: addresses 1-1024 are reserved for non-root users;.

HashFromHex converts hex string to bytes.

I64to256 converts int64 to 32 bytes array.

NameOf returns human readable string representation.

NewBitArray makes bits array of int.

PaddedBigBytes encodes a big integer as a big-endian byte slice.

ReadBits encodes the absolute value of bigint as big-endian bytes.

TextColumns join side-by-side.

ToFtm number of FTM to Wei.

U64to256 converts uint64 to 32 bytes array.

WeightedPermutation builds weighted random permutation Returns first {size} entries of {weights} permutation.

SpinLock implements a simple atomic spin lock, the zero value for a SpinLock is an unlocked spinlock.