41 lines
1.4 KiB
Python
41 lines
1.4 KiB
Python
"""Tests of 0x.middlewares.local_message_signer."""
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from eth_utils import to_checksum_address
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from web3 import Web3
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from zero_ex.contract_addresses import NETWORK_TO_ADDRESSES, NetworkId
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from zero_ex.middlewares.local_message_signer import (
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construct_local_message_signer,
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)
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from zero_ex.order_utils import (
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generate_order_hash_hex,
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is_valid_signature,
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make_empty_order,
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sign_hash,
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)
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def test_local_message_signer__sign_order():
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"""Test signing order with the local_message_signer middleware"""
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expected_signature = (
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"0x1cd17d75b891accf16030c572a64cf9e7955de63bcafa5b084439cec630ade2d7"
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"c00f47a2f4d5b6a4508267bf4b8527100bd97cf1af9984c0a58e42d25b13f4f0a03"
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)
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address = "0x5409ED021D9299bf6814279A6A1411A7e866A631"
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exchange = NETWORK_TO_ADDRESSES[NetworkId.GANACHE].exchange
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private_key = (
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"f2f48ee19680706196e2e339e5da3491186e0c4c5030670656b0e0164837257d"
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)
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web3_rpc_url = "http://127.0.0.1:8545"
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web3_instance = Web3.HTTPProvider(web3_rpc_url)
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web3_instance.middlewares.add(construct_local_message_signer(private_key))
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order = make_empty_order()
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order_hash = generate_order_hash_hex(order, exchange)
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signature = sign_hash(
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web3_instance, to_checksum_address(address), order_hash
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)
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assert signature == expected_signature
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is_valid = is_valid_signature(
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web3_instance, order_hash, signature, address
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)[0]
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assert is_valid is True
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