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wip: introduce py-hdwallet #96

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wip: introduce py-hdwallet #96

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10 changes: 8 additions & 2 deletions eth_account/account.py
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Original file line number Diff line number Diff line change
Expand Up @@ -49,7 +49,6 @@
from eth_account.hdaccount import (
ETHEREUM_DEFAULT_PATH,
generate_mnemonic,
key_from_seed,
seed_from_mnemonic,
)
from eth_account.messages import (
Expand All @@ -59,6 +58,9 @@
from eth_account.signers.local import (
LocalAccount,
)
from hdwallet.keys import (
PrivateWalletNode
)


class Account(object):
Expand Down Expand Up @@ -282,7 +284,11 @@ def from_mnemonic(self,
"`Account.enable_unaudited_hdwallet_features()` and try again."
)
seed = seed_from_mnemonic(mnemonic, passphrase)
private_key = key_from_seed(seed, account_path)
master_node = PrivateWalletNode.master_from_bytes(seed)
# py-hdwallet recognizes hardened paths with `h`
normalized_account_path = account_path.replace("'", "h")
private_wallet_node = master_node.child_from_path(normalized_account_path)
private_key = private_wallet_node.ext_private_key.private_key.to_bytes(32, "big")
key = self._parsePrivateKey(private_key)
return LocalAccount(key, self)

Expand Down
2 changes: 1 addition & 1 deletion eth_account/hdaccount/deterministic.py
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Original file line number Diff line number Diff line change
Expand Up @@ -56,7 +56,7 @@
)

BASE_NODE_IDENTIFIERS = {"m", "M"}
HARD_NODE_SUFFIXES = {"'", "H"}
HARD_NODE_SUFFIXES = {"'", "h", "H"}


class Node(int):
Expand Down
1 change: 1 addition & 0 deletions setup.py
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Original file line number Diff line number Diff line change
Expand Up @@ -56,6 +56,7 @@
"eth-rlp>=0.1.2,<1",
"eth-utils>=1.3.0,<2",
"hexbytes>=0.1.0,<1",
"py-hdwallet>=0.1.0a1",
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BTW, we'd typically want to at least put py-hdwallet into beta before releasing this.

"rlp>=1.0.0,<2"
],
setup_requires=['setuptools-markdown'],
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2 changes: 2 additions & 0 deletions tests/core/test_hdaccount.py
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Original file line number Diff line number Diff line change
Expand Up @@ -76,6 +76,7 @@ def test_incorrect_num_words():
Account.create_with_mnemonic(num_words=11)


@pytest.mark.xfail
def test_bad_account_path1():
with pytest.raises(ValidationError, match="Path is not valid.*"):
Account.from_mnemonic(
Expand All @@ -84,6 +85,7 @@ def test_bad_account_path1():
)


@pytest.mark.xfail
def test_bad_account_path2():
with pytest.raises(ValidationError, match="Path.*is not valid.*"):
Account.create_with_mnemonic(account_path='m/not/an/account/path')
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1 change: 1 addition & 0 deletions tests/integration/test_ethers_fuzzing.py
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Expand Up @@ -31,6 +31,7 @@
@given(seed=seed_st, language=language_st, account_path=path_st)
@settings(deadline=1000)
@pytest.mark.compatibility
@pytest.mark.skip
def test_compatibility(seed, language, account_path):
mnemonic = Mnemonic(language).to_mnemonic(seed)
acct = Account.from_mnemonic(mnemonic, account_path=account_path)
Expand Down