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update the key dervation examples #20

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6 changes: 4 additions & 2 deletions bsv/hd/__init__.py
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Original file line number Diff line number Diff line change
@@ -1,3 +1,5 @@
from .bip32 import Xkey, Xprv, Xpub, ckd, step_to_index, master_xprv_from_seed
from .bip32 import Xkey, Xprv, Xpub, ckd, step_to_index, master_xprv_from_seed, bip32_derive_xprv_from_mnemonic, \
bip32_derive_xprvs_from_mnemonic, bip32_derive_xkeys_from_xkey
from .bip39 import WordList, mnemonic_from_entropy, seed_from_mnemonic, validate_mnemonic
from .bip44 import derive_xkeys_from_xkey, derive_xprvs_from_mnemonic, derive_xprv_from_mnemonic
from .bip44 import derive_xkeys_from_xkey, derive_xprvs_from_mnemonic, derive_xprv_from_mnemonic, \
bip44_derive_xprv_from_mnemonic, bip44_derive_xprvs_from_mnemonic
74 changes: 49 additions & 25 deletions examples/hd.py
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@@ -1,41 +1,65 @@
from typing import List
from bsv.hd import mnemonic_from_entropy, seed_from_mnemonic, master_xprv_from_seed
from bsv.hd import derive_xprvs_from_mnemonic, derive_xkeys_from_xkey
from bsv.constants import BIP32_DERIVATION_PATH, BIP44_DERIVATION_PATH

from bsv.hd import mnemonic_from_entropy, seed_from_mnemonic, master_xprv_from_seed, Xprv, derive_xprvs_from_mnemonic
# You can set custom derivation paths in your environment variables as well
# BIP32_DERIVATION_PATH = "m/"
# BIP44_DERIVATION_PATH = "m/44'/236'/0'"

#
# HD derivation
# HD derivation (mnemonic, master-xpublickey, master-xprivatekey)
#
entropy = 'cd9b819d9c62f0027116c1849e7d497f'

# snow swing guess decide congress abuse session subway loyal view false zebra
# Generate mnemonic from entropy
mnemonic: str = mnemonic_from_entropy(entropy)
print(mnemonic)
print("Mnemonic:", mnemonic)

seed: bytes = seed_from_mnemonic(mnemonic)
print(seed.hex())

master_xprv: Xprv = master_xprv_from_seed(seed)
print(master_xprv)
# Generate seed from mnemonic
seed = seed_from_mnemonic(mnemonic, lang='en')
print("Seed:", seed.hex())

# Generate master keys
master_xprv = master_xprv_from_seed(seed)
master_xpub = master_xprv.xpub()
print("Master xprv:", master_xprv)
print("Master xpub:", master_xpub)
print()
keys: List[Xprv] = derive_xprvs_from_mnemonic(mnemonic, path="m/44'/0'/0'", change=1, index_start=0, index_end=5)
for key in keys:
# XPriv to WIF
print(key.private_key().wif())

key_xpub = key.xpub()
# Derive keys from mnemonic using BIP32
keys_from_mnemonic_by_bip32 = derive_xprvs_from_mnemonic(
mnemonic, 0, 3, path=BIP32_DERIVATION_PATH, change=0
)

# XPub to public key
print(key_xpub.public_key().hex())
print("Keys from mnemonic by BIP32:")
print("Address 0:", keys_from_mnemonic_by_bip32[0].address())
print("Private key 1:", keys_from_mnemonic_by_bip32[1].private_key().wif())
print("Public key 2:", keys_from_mnemonic_by_bip32[2].public_key().hex())
print()

# XPub to address
print(key_xpub.public_key().address(), '\n')
# Derive keys from xpub using BIP32
keys_from_xpub_by_bip32 = derive_xkeys_from_xkey(
master_xpub, 0, 3, change=0
)

print("Keys from xpub by BIP32:")
print("Address 0:", keys_from_xpub_by_bip32[0].address())
print("Public key 2:", keys_from_xpub_by_bip32[2].public_key().hex())
print()

#
# random mnemonic
#
# Derive keys from mnemonic using BIP44
bip44_keys = derive_xprvs_from_mnemonic(
mnemonic, 0, 3, path=BIP44_DERIVATION_PATH, change=0
)

print("Keys from mnemonic by BIP44:")
print("Address 0:", bip44_keys[0].address())
print("Private key 1:", bip44_keys[1].private_key().wif())
print("Public key 2:", bip44_keys[2].public_key().hex())
print()
print(mnemonic_from_entropy())
print(mnemonic_from_entropy(lang='en'))
print(mnemonic_from_entropy(lang='zh-cn'))

# Loop through multiple derived keys
print("All BIP44 derived keys:")
for i, key in enumerate(bip44_keys):
print(f"Address {i}: {key.address()}")
print(f"Private key {i}: {key.private_key().wif()}")