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bridge_owlto.py
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bridge_owlto.py
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import asyncio
import json
import logging
import os
import sys
import httpx
from eth_typing import HexStr
from web3 import AsyncHTTPProvider, AsyncWeb3
from web3.middleware.geth_poa import async_geth_poa_middleware
from web3.types import Nonce, TxParams, Wei
from wallet import Wallet
wallets_id_for_bridge = [1, 2, 3]
bridge_btc_amount = "0.00013"
assert os.path.isfile("./wallets.json"), "accounts must be provided"
with open("./wallets.json", "r") as f:
wallets: list[Wallet] = json.load(f)
# TODO:
wallets = [
{
"wallet_id": 1,
"address": "0x9f638213287d827ef5210999787eb04cd9e3c315",
"private_key": "",
"mnemonic": "",
}
]
w3_eth = AsyncWeb3(AsyncHTTPProvider("https://ethereum.blockpi.network/v1/rpc/public"))
client = httpx.AsyncClient(base_url="https://owlto.finance/api/bridge_api/v1")
w3_bitlayer = AsyncWeb3(AsyncHTTPProvider("https://rpc.bitlayer.org"))
w3_bitlayer.middleware_onion.inject(async_geth_poa_middleware, layer=0)
logging.basicConfig(
level=logging.INFO,
format="%(asctime)s [%(module)s] %(levelname)s: %(message)s",
datefmt="%Y-%m-%d %H:%M:%S",
handlers=[
logging.StreamHandler(sys.stdout),
logging.FileHandler("logs.txt"),
],
)
async def send_tx(
_from: str, _to: str, value: str, data: str, nonce: Nonce, private_key: str
):
tx_params = TxParams(
{
"chainId": await w3_eth.eth.chain_id,
"from": _from,
"to": _to,
"value": Wei(int(value)),
"data": HexStr(data),
"nonce": nonce,
}
)
gas = await w3_eth.eth.estimate_gas(tx_params)
tx_params["gas"] = gas
gas_price = await w3_eth.eth.gas_price
tx_params["maxFeePerGas"] = Wei(gas_price * 2)
tx_params["maxPriorityFeePerGas"] = Wei(int(gas_price / 2))
tx = w3_eth.eth.account.sign_transaction(tx_params, private_key)
tx_hash = await w3_eth.eth.send_raw_transaction(tx.rawTransaction)
return await w3_eth.eth.wait_for_transaction_receipt(tx_hash)
async def bridge(wallet: Wallet):
res = await client.post(
"/get_build_tx",
json={
"from_address": wallet["address"],
"from_chain_name": "EthereumMainnet",
"to_address": wallet["address"],
"to_chain_name": "BitlayerMainnet",
"token_name": "BTC",
"ui_value": bridge_btc_amount,
},
)
if res.json()["status"]["code"] != 0:
logging.error(f'failed to build tx: {res.json()['status']['message']}')
else:
logging.info(f'bridging wallet_id: {wallet["wallet_id"]}')
nonce = await w3_eth.eth.get_transaction_count(
w3_eth.to_checksum_address(wallet["address"])
)
if (approve_body := res.json()["data"]["txs"]["approve_body"]) is not None:
tx_receipt = await send_tx(
approve_body["from"],
approve_body["to"],
approve_body["value"],
approve_body["data"],
nonce,
wallet["private_key"],
)
logging.info(f"approve successfully for wallet_id: {wallet['wallet_id']}")
logging.info(tx_receipt)
nonce = Nonce(nonce + 1)
transfer_body = res.json()["data"]["txs"]["transfer_body"]
tx_receipt = await send_tx(
transfer_body["from"],
transfer_body["to"],
transfer_body["value"],
transfer_body["data"],
nonce,
wallet["private_key"],
)
logging.info(
f"wallet_id: {wallet['wallet_id']} send bridging successfully, waiting for receiving funds..."
)
logging.info(tx_receipt)
for _ in range(300):
await asyncio.sleep(1)
balance = await w3_bitlayer.eth.get_balance(
w3_bitlayer.to_checksum_address(wallet["address"])
)
logging.info(f'wallet_id: {wallet["wallet_id"]} balance: {balance}')
break
else:
logging.error(
f'wallet_id: {wallet['wallet_id']} failed to receive funds on bitlayer'
)
async def main():
w3_connected = await w3_eth.is_connected()
assert w3_connected, "failed to connect to eth rpc"
w3_connected = await w3_bitlayer.is_connected()
assert w3_connected, "failed to connect to bitlayer rpc"
await asyncio.gather(
*(
[
bridge(wallet)
for wallet in wallets
if wallet["wallet_id"] in wallets_id_for_bridge
]
)
)
asyncio.run(main())
{
"status": {"code": 0, "message": ""},
"data": {
"token_name": "BTC",
"from_chain_name": "EthereumMainnet",
"to_chain_name": "BitlayerMainnet",
"input_value": {"raw_value": "13000", "ui_value": "0.00013", "decimals": 8},
"send_value": {"raw_value": "15500", "ui_value": "0.000155", "decimals": 8},
"receive_value": {
"raw_value": "130000000000000",
"ui_value": "0.00013",
"decimals": 18,
},
"gas_fee": {"raw_value": "2500", "ui_value": "2.5e-05", "decimals": 8},
"bridge_fee": {"raw_value": "0", "ui_value": "0", "decimals": 8},
"min_value": {"raw_value": "10000", "ui_value": "0.0001", "decimals": 8},
"max_value": {"raw_value": "1000000", "ui_value": "0.01", "decimals": 8},
"network_type": 1,
"txs": {
"approve_body": {
"data": "0x095ea7b30000000000000000000000000e83ded9f80e1c92549615d96842f5cb64a08762000000000000000000000000000000000000000000000000000000000004baf0",
"from": "0x2C70B21536D2D003b07995dE2eab93fA078d6275",
"to": "0x2260FAC5E5542a773Aa44fBCfeDf7C193bc2C599",
"value": "0",
},
"transfer_body": {
"data": "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",
"from": "0x2C70B21536D2D003b07995dE2eab93fA078d6275",
"to": "0x0e83DEd9f80e1C92549615D96842F5cB64A08762",
"value": "0",
},
},
},
}