Module wallet 

Constants

BIP32_HARDEN

BIP-32 harden bit (0x8000_0000). Indices at or above this already encode hardened.

Functions

derive_key_path

Appends index to path, inserting a / separator when needed.

derive_key_path_checked

derive_key_path plus the harden-bit overflow guard for mnemonic derive consumers.

derive_private_key

Derives a private key from a BIP-39 mnemonic using the given BIP-32 path and index.

derive_private_key_with_language

Derives a private key from a BIP-39 mnemonic, selecting the wordlist by name.

private_key_from_u256

Constructs a [PrivateKeySigner] from a raw private key value.

validate_bip32_path

Reject BIP-32 path components whose parsed index overflows the harden bit.