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e3ed00640f
* init flake8 * exclude nostr client, and add ds_store to gitignore * fix flake8 F811 issue, redefinition of unused variables * add flake8 to workflow * F401 unused imports * F541 f-string is missing placeholders * E501 line too long > 150 characters * E722 no bare except * E402 module level import not at top of file * F405 no star imports * E712 comparison to False should be 'if cond is False:' * F841 local variable is assigned to but never used * E266 too many leading '#' for block comment * E265, E261 * E713 test for membership should be 'not in' * E711, E741 E741 ambiguous variable name 'l' E711 comparison to None should be 'if cond is None:' * flake config * isort * refactor makefile flake8 usage * reflaking the rebase * black * fix tests? * black * fix line lenght it test_cli * sort out makefile * fix strings * reintroduce black-check * reflake and mypy * isort * Update cashu/wallet/wallet.py Co-authored-by: Angus Pearson <angus@toaster.cc> * Update cashu/mint/ledger.py Co-authored-by: Angus Pearson <angus@toaster.cc> --------- Co-authored-by: Angus Pearson <angus@toaster.cc>
110 lines
3.0 KiB
Python
110 lines
3.0 KiB
Python
from cashu.core.crypto.b_dhke import hash_to_curve, step1_alice, step2_bob, step3_alice
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from cashu.core.crypto.secp import PrivateKey, PublicKey
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def test_hash_to_curve():
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result = hash_to_curve(
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bytes.fromhex(
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"0000000000000000000000000000000000000000000000000000000000000000"
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)
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)
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assert (
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result.serialize().hex()
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== "0266687aadf862bd776c8fc18b8e9f8e20089714856ee233b3902a591d0d5f2925"
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)
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result = hash_to_curve(
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bytes.fromhex(
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"0000000000000000000000000000000000000000000000000000000000000001"
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)
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)
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assert (
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result.serialize().hex()
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== "02ec4916dd28fc4c10d78e287ca5d9cc51ee1ae73cbfde08c6b37324cbfaac8bc5"
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)
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def test_hash_to_curve_iteration():
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"""This input causes multiple rounds of the hash_to_curve algorithm."""
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result = hash_to_curve(
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bytes.fromhex(
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"0000000000000000000000000000000000000000000000000000000000000002"
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)
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)
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assert (
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result.serialize().hex()
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== "02076c988b353fcbb748178ecb286bc9d0b4acf474d4ba31ba62334e46c97c416a"
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)
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def test_step1():
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""""""
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B_, blinding_factor = step1_alice(
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"test_message",
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blinding_factor=PrivateKey(
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privkey=bytes.fromhex(
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"0000000000000000000000000000000000000000000000000000000000000001"
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) # 32 bytes
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),
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)
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assert (
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B_.serialize().hex()
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== "02a9acc1e48c25eeeb9289b5031cc57da9fe72f3fe2861d264bdc074209b107ba2"
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)
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assert blinding_factor.private_key == bytes.fromhex(
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"0000000000000000000000000000000000000000000000000000000000000001"
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)
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def test_step2():
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B_, _ = step1_alice(
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"test_message",
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blinding_factor=PrivateKey(
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privkey=bytes.fromhex(
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"0000000000000000000000000000000000000000000000000000000000000001"
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),
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raw=True,
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),
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)
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a = PrivateKey(
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privkey=bytes.fromhex(
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"0000000000000000000000000000000000000000000000000000000000000001"
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),
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raw=True,
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)
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C_ = step2_bob(B_, a)
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assert (
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C_.serialize().hex()
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== "02a9acc1e48c25eeeb9289b5031cc57da9fe72f3fe2861d264bdc074209b107ba2"
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)
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def test_step3():
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# C = C_ - A.mult(r)
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C_ = PublicKey(
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bytes.fromhex(
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"02a9acc1e48c25eeeb9289b5031cc57da9fe72f3fe2861d264bdc074209b107ba2"
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),
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raw=True,
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)
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r = PrivateKey(
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privkey=bytes.fromhex(
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"0000000000000000000000000000000000000000000000000000000000000001"
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)
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)
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A = PublicKey(
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pubkey=b"\x02"
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+ bytes.fromhex(
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"0000000000000000000000000000000000000000000000000000000000000001",
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),
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raw=True,
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)
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C = step3_alice(C_, r, A)
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assert (
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C.serialize().hex()
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== "03c724d7e6a5443b39ac8acf11f40420adc4f99a02e7cc1b57703d9391f6d129cd"
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)
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