dydx-v3-rust 0.1.7

Rust SDK for dYdX v3 API
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42

a

��tb�(�@sPddlZddlZddlZddlZddlZddlmZmZmZddl	m
Z
ddlmZm
Z
mZmZmZmZmZej�ej�e�d�Ze�ee��ZedZedZed	Zed
ZedZedZ e�!e�"ed
��Z#e#dks�J�e�$�Z%e%dks�J�d
e#ek�rek�snJ�e dZ&e&dee&dfZ'e dZ(e&ddgk�sJJ�e(ddgk�s\J�ee)e)fZ*Gdd�de+�Z,e)e)d�dd�Z-e)d�dd�Z.e)ed�dd�Z/e)e)d�dd �Z0e)e)d!�d"d#�Z1d4e)e)ee)e)d$�d%d&�Z2d5e)e)ee)e*d$�d'd(�Z3e)eeed)�d*d+�Z4e)e)e)ee)efe5d,�d-d.�Z6e)e)d/�d0d1�Z7e)ed/�d2d3�Z8dS)6�N)�Optional�Tuple�Union)�
generate_k�)�ECPoint�div_mod�ec_add�	ec_double�ec_mult�is_quad_residue�sqrt_modzpedersen_params.json�FIELD_PRIME�	FIELD_GEN�ALPHA�BETA�EC_ORDER�CONSTANT_POINTS�����lh�!y�(5s�RD�5q>3��pp,0j�q�l�& \�tl
�1NSTt�64_�x��l�O�/v�k#�f~V�G�ijg�7�2fa�
�l\�m0�C2:�WF4�)�b�
}@r{��4VcseZdZ�fdd�Z�ZS)�InvalidPublicKeyErrorcst��d�dS)NzFGiven x coordinate does not represent any point on the elliptic curve.)�super�__init__)�self��	__class__���/Users/okudajunta/Library/Mobile Documents/com~apple~CloudDocs/solidity/dydx-v3-rust/./src/stark/starkex/starkex_resources/python_signature.pyrCszInvalidPublicKeyError.__init__)�__name__�
__module__�__qualname__r�
__classcell__rrrrrBsr)�stark_key_x_coordinate�returncCs:|}|||t|tt}t|t�s0t��t|t�S)z�
    Given the x coordinate of a stark_key, returns a possible y coordinate such that together the
    point (x,y) is on the curve.
    Note that the real y coordinate is either y or -y.
    If x is invalid stark_key it throws an error.
    )rrrrrr
)r#�x�	y_squaredrrr�get_y_coordinateGs

r')r$cCst�dtd�S�Nr)�random�randintrrrrr�get_random_private_keyVsr+)�priv_keyr$cCs(d|krtksnJ�t|ttt�S�Nr)rr�EC_GENrr�r,rrr�&private_key_to_ec_point_on_stark_curve[sr0cCst|�dSr-)r0r/rrr�private_to_stark_key`sr1)r%r$cCstd|t�Sr()rr)r%rrr�inv_mod_curve_sizedsr2)�msg_hashr,�seedr$c
Cs�d|��dkrdkr4nn|��dkr4|d9}|durBd}n|�t�|��d�d�}tt|tj|�t�|��d�d�|d�S)	Nr�������big)�
extra_entropy)�
bit_length�to_bytes�math�ceilrr�hashlib�sha256)r3r,r4r;rrr�generate_k_rfc6979hs,
�rBcCs�d|krdtks"nJd��t|||�}|dur<d}n|d7}t|ttt�d}t|�}d|krvdtkszq"q"|||tdkr�q"t||||t�}d|kr�dtks�q"q"t	|�}||fS)NrrzMessage not signable.r)
�N_ELEMENT_BITS_ECDSArBrr.rr�intrrr2)r3r,r4�kr%�r�w�srrr�py_signs "rI)�m�point�shift_pointr$cCs|d|krdtksnJ�|}tt�D]@}|d|dksBJ�|d@rVt||t�}t|tt�}|dL}q*|dksxJ�|S)z�
    Computes m * point + shift_point using the same steps like the AIR and throws an exception if
    and only if the AIR errors.
    rrr)rC�ranger	rr
r)rJrKrLZpartial_sum�_rrr�mimic_ec_mult_air�s
rO)r3rFrH�
public_keyr$c
Cs�d|krtks"nJd|��t|�}d|krBdtksPnJd|��d|krhdtksvnJd|��d|kr�dtks�nJd|��t|t��r"zt|�}Wnty�YdS0t|dt�t|d	t�t	|t
tks�J�t|||||f��p t|||||tf�S|dd|dd	t	|dt
tdk�sXJ�z@t|t
t�}t||t�}t|t||t�t�}t|tt�d}	Wnt�y�YdS0||	kS)
Nrzs = %srzr = %szw = %srz
msg_hash = %sF�)rr2rC�
isinstancerDr'r�powrrr�	py_verifyrOr.�MINUS_SHIFT_POINT�SHIFT_POINTr	�AssertionError)
r3rFrHrPrG�yZzGZrQZwBr%rrrrT�sB"&&&
�
�����
rT)�elementsr$cGst|�dSr-)�pedersen_hash_as_point)rYrrr�py_pedersen_hash�sr[cGs�t}t|�D]�\}}d|kr(tks.nJ�td|td|dt�}t|�tks^J�|D]8}|d|dks~Jd��|d@r�t||t�}|dL}qb|dksJ�q|S)z�
    Similar to pedersen_hash but also returns the y coordinate of the resulting EC point.
    This function is used for testing.
    rrrzUnhashable input.)rV�	enumeraterr�N_ELEMENT_BITS_HASH�lenr	)rYrK�ir%Z
point_list�ptrrrrZ�s 
rZ)N)N)9r@�jsonr>�osr)�typingrrrZ
ecdsa.rfc6979rZ
math_utilsrrr	r
rrr
�path�join�dirname�__file__ZPEDERSEN_HASH_POINT_FILENAME�load�openZPEDERSEN_PARAMSrrrrrr�floor�logrCr<r]rVrUr.rDZECSignature�	Exceptionrr'r+r0r1r2rBrIrO�boolrTr[rZrrrr�<module>sX$�"��	'<