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| from ocean_lib.config import Config | |
| from ocean_lib.models.btoken import BToken #BToken is ERC20 | |
| from ocean_lib.ocean.ocean import Ocean | |
| from ocean_lib.web3_internal.wallet import Wallet | |
| from ocean_lib.web3_internal.currency import from_wei # wei is the smallest denomination of ether e.g. like cents | |
| # from ocean_lib.web3_internal.currency import pretty_ether_and_wei | |
| import streamlit as st | |
| from web3 import Web3 | |
| from wallet_connect import connect | |
| d = { | |
| 'network' : 'https://rinkeby.infura.io/v3/d163c48816434b0bbb3ac3925d6c6c80', | |
| 'BLOCK_CONFIRMATIONS': 0, | |
| 'metadataCacheUri' : 'https://aquarius.oceanprotocol.com', | |
| 'providerUri' : 'https://provider.rinkeby.oceanprotocol.com', | |
| 'PROVIDER_ADDRESS': '0x00bd138abd70e2f00903268f3db08f2d25677c9e', | |
| 'downloads.path': 'consume-downloads', | |
| } | |
| ocean = Ocean(d) | |
| def wallet(): | |
| lower_case_address = connect("wallet") | |
| st.write(lower_case_address[0][0:2]) | |
| address = '' | |
| if len(lower_case_address[0]) > 3: | |
| address = Web3.toChecksumAddress(lower_case_address[0]) | |
| st.write(address) | |
| if str(address[0][0:2]) == "0x": | |
| OCEAN_token = BToken(ocean.web3, ocean.OCEAN_address) | |
| eth_balance = from_wei(ocean.web3.eth.get_balance(address[0])) | |
| ocean_balance = from_wei(OCEAN_token.balanceOf(address[0])) | |
| st.write(f'Address: {address}') | |
| st.write(f'ETH Balance: {eth_balance}') | |
| st.write(f'OCEAN Balance: {ocean_balance}') | |
| st.header("Web3 Wallet") | |
| text = """ | |
| This demo shows the balance of tokens in your Web3 wallet. | |
| If you do not have a Web3 wallet, see instructions on setting up a wallet in the links below. | |
| Initially, your wallet should have no ETH and OCEAN tokens in it. | |
| You can then request ETH and OCEAN test tokens by entering your public address into faucets | |
| (follow the links at the bottom of the page). | |
| Then wait about 15 seconds and re-run the app for the same private key. | |
| This demo uses the Ocean Protocol Python library in the backend. | |
| For more information on the advantages of combinining Ocean and HuggingFace, | |
| check out the blog post link below. | |
| Setup MetaMask: [https://www.oceanacademy.io/ocean101/chapter-8](https://www.oceanacademy.io/ocean101/chapter-8) | |
| Get Rinkeby ETH: [https://faucet.rinkeby.io/](https://faucet.rinkeby.io/) | |
| Get Test Ocean: [https://faucet.rinkeby.oceanprotocol.com/](https://faucet.rinkeby.oceanprotocol.com/) | |
| """ | |
| st.write(text) | |
| wallet() |