Contains returns true if an element is present in a list.

Decode will decode the hex.

Dedup removes duplicates from a list.

Encode will encode a raw key or seed.

EncryptKey encrypts an ecdsa.PrivateKey and returns a JSON keystore.

EstimateGas attempts to determine the cost for a contract deploy..

ImportJSONKeystore decrypts a JSON keystore given a passphrase.

KeyFileName returns the name of the keystore file based on the account address.

PathExistenceCheck checks storage for a path.

Pow computes a^b for int64.

PrettyPrint prints an indented JSON payload.

SealWrapAppend is a helper for appending lists of paths into a single list.

TokenAmount does the requisite math on tokens.

ValidNumber returns a valid positive integer.

WriteKeyFile will create the keystore directory with appropriate permissions in case it is not present yet.

ZeroKey removes the key from memory.

ZeroAddress RLP empty byte sequence.