keyFileName implements the naming convention for keyfiles: UTC--<created_at UTC ISO8601>-<address hex>.

NewAuthNeededError creates a new authentication error with the extra details about the needed fields set.

LightScryptN is the N parameter of Scrypt encryption algorithm, using 4MB memory and taking approximately 100ms CPU time on a modern processor.

LightScryptP is the P parameter of Scrypt encryption algorithm, using 4MB memory and taking approximately 100ms CPU time on a modern processor.

StandardScryptN is the N parameter of Scrypt encryption algorithm, using 256MB memory and taking approximately 1s CPU time on a modern processor.

StandardScryptP is the P parameter of Scrypt encryption algorithm, using 256MB memory and taking approximately 1s CPU time on a modern processor.

ErrInvalidPassphrase is returned when a decryption operation receives a bad passphrase.

ErrNotSupported is returned when an operation is requested from an account backend that it does not support.

ErrUnknownAccount is returned for any requested operation for which no backend provides the specified account.

ErrUnknownWallet is returned for any requested operation for which no backend provides the specified wallet.

ErrWalletAlreadyOpen is returned if a wallet is attempted to be opened the second time.

ErrWalletClosed is returned if a wallet is attempted to be opened the secodn time.

AuthNeededError is returned by backends for signing requests where the user is required to provide further authentication before signing can succeed.