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chore: support lifi api key #242

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merged 2 commits into from
Apr 25, 2024
Merged

chore: support lifi api key #242

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c434726
chore: support lifi api key
cbrzn Apr 24, 2024
01f1a86
chore: add lifi api key to .env.example and move to constats
cbrzn Apr 25, 2024
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20 changes: 16 additions & 4 deletions autotx/utils/ethereum/lifi/__init__.py
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Original file line number Diff line number Diff line change
@@ -1,4 +1,5 @@
import json
import os
from typing import Any
import requests
import re
Expand Down Expand Up @@ -36,19 +37,28 @@ def handle_lifi_response(response: requests.Response) -> dict[str, Any]:
raise LifiApiError(f"Fetch quote failed with error: {response_json['message']}")


def add_authorization_info_if_provided(params: dict[str, Any]) -> dict[str, Any] | None:
headers: dict[str, Any] | None = None
lifi_api_key = os.getenv("LIFI_API_KEY")
if lifi_api_key:
headers = {"x-lifi-api-key": lifi_api_key}
params["integrator"] = "polywrap"
return headers


class Lifi:
BASE_URL = "https://li.quest/v1"

@classmethod
def get_quote_to_amount( # type: ignore
def get_quote_to_amount( # type: ignore
cls,
from_token: ETHAddress,
to_token: ETHAddress,
amount: int,
_from: ETHAddress,
chain: ChainId,
slippage: float,
) -> dict[str, Any]:
) -> dict[str, Any]:
params: dict[str, Any] = {
"fromToken": from_token.hex,
"toToken": to_token.hex,
Expand All @@ -59,9 +69,10 @@ def get_quote_to_amount( # type: ignore
"slippage": slippage,
"contractCalls": [],
}
headers = add_authorization_info_if_provided(params)
attempt_count = 0
while attempt_count < 2:
response = requests.post(cls.BASE_URL + "/quote/contractCalls", json=params)
response = requests.post(cls.BASE_URL + "/quote/contractCalls", json=params, headers=headers)
try:
return handle_lifi_response(response)
except LifiApiError as e:
Expand Down Expand Up @@ -94,5 +105,6 @@ def get_quote_from_amount(
"toChain": chain.value,
"slippage": slippage,
}
response = requests.get(cls.BASE_URL + "/quote", params=params) # type: ignore
headers = add_authorization_info_if_provided(params)
response = requests.get(cls.BASE_URL + "/quote", params=params, headers=headers) # type: ignore
return handle_lifi_response(response)
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