René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Not coneecting to Arbitrum network","articleBody":"**Describe the bug**\nNot connectiong to arbitrum network\n\n**To Reproduce**\n```python\nARBITRUM_NETWORK = 'arb'\nNETWORK = ARBITRUM_NETWORK # ETHEREUM_NETWORK # \n\nALCHEMY_KEY = 'dZ0m4G7NDDk0nAw_vmLprqyJzZMchoEH'\nALCHEMY_URL = f\"https://{NETWORK}-mainnet.g.alchemy.com/v2/{ALCHEMY_KEY}\"\nprovider = ALCHEMY_URL\n\narbitrum_wbtc = '0x2f2a2543B76A4166549F7aaB2e75Bef0aefC5B0f'\narbitrum_usdc = '0xaf88d065e77c8cC2239327C5EDb3A432268e5831'\n\nuniswap = Uniswap(address=None, private_key=None, version=2, provider=provider)\n```\n\nRaises the following error\n```\n    uniswap = Uniswap(address=None, private_key=None, version=2, provider=provider)\n              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n  File \"/Users/i751898/Documents/personal/tests/crypto/uniswap-env/lib/python3.12/site-packages/uniswap/uniswap.py\", line 165, in __init__\n    router_contract_addr = _router_contract_addresses_v2[self.netname]\n                           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^\n```\n\n**Expected behavior**\nConnect to arbitrum network\n\n**Additional context**\nThe fix seems prety simple\nin the constant files, update\n\n```python\n_factory_contract_addresses_v2 = {\n    \"mainnet\": \"0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f\",\n    ...\n    \"arbitrum\": \"0xc35dadb65012ec5796536bd9864ed8773abc74c4\" # SushiSwap Factory on Arbitrum\n}\n\n_router_contract_addresses_v2 = {\n    \"mainnet\": \"0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D\",\n    ...\n    \"arbitrum\": \"0x1b02da8cb0d097eb8d57a175b88c7d8b47997506\" # SushiSwap Router on Arbitrum\n}\n```\n\nI did try manually and it worked fine|\n```python\nuniswap = Uniswap(\n    address=WALLET_ADDRESS,\n    private_key=WALLET_PRIVATE_KEY,\n    version=2,\n    provider=provider,\n    router_contract_addr=\"0x1b02da8cb0d097eb8d57a175b88c7d8b47997506\",\n    factory_contract_addr=\"0xc35dadb65012ec5796536bd9864ed8773abc74c4\"\n)\n```\n\nthanks in advanve\n","author":{"url":"https://github.com/SamuelJansen","@type":"Person","name":"SamuelJansen"},"datePublished":"2025-06-20T03:48:40.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":1},"url":"https://github.com/415/uniswap-python/issues/415"}