IsValidContractAddress returns true is the given string matches a valid smart contract address.

IsValidEthAPIURL returns true if the given string matches a valid eth endpoint URL.

ListCommonAddressesToString converts a list of common.address to a comma delimited string.

ListCommonAddressToListString converts a list of common.address to list of string.

ListIntToListString converts a list of big.int to a list of string.

ListStringToListCommonAddress converts a list of strings to list of common.address.

RandomHexStr generates a hex string from a byte slice of n random numbers.

StringToCommonAddressesList converts a comma delimited string to a list of common.address.

StrOrEmptyStr returns an empty string if a string pointer is nil.

StrToPtr is a convenience func that converts a string to it's pointer.