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import requests | ||
import bech32 | ||
import csv | ||
import hashlib | ||
import base64 | ||
import bech32 | ||
from datetime import datetime | ||
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api = "http://202.61.225.157:1317/" | ||
pagination_limit = 150 | ||
uptime_percentage = 0.8 | ||
signing_window = 30000 | ||
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def get_validator_info(api_url, params, signing_info): | ||
try: | ||
response = requests.get(api_url, params=params) | ||
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# Check if the request was successful (status code 200) | ||
if response.status_code == 200: | ||
data = response.json() | ||
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# Extract ccvaloper and pubkey and convert them to address and ccvalcons | ||
validators_info = [] | ||
for validator in data.get("validators", []): | ||
valoperaddress = validator.get("operator_address") | ||
address = convert_valoper_address(valoperaddress) | ||
consensus_pubkey = validator.get("consensus_pubkey", {}).get("key") | ||
valconsaddress = convert_pubkey_valcons(consensus_pubkey) | ||
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# filter validators by uptime by matching signing_info to validator_info | ||
for validator in signing_info: | ||
if valconsaddress == validator[0] and ((1 - int(validator[1])/signing_window)> uptime_percentage): | ||
validators_info.append([valoperaddress, address, consensus_pubkey, valconsaddress, (1 - int(validator[1])/signing_window)]) | ||
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return validators_info | ||
else: | ||
print(f"Error: {response.status_code} - {response.text}") | ||
return None | ||
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except requests.RequestException as e: | ||
print(f"An error occurred: {e}") | ||
return None | ||
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def get_signing_info(api_url, params): | ||
try: | ||
response = requests.get(api_url, params=params) | ||
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# Check if the request was successful (status code 200) | ||
if response.status_code == 200: | ||
data = response.json() | ||
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# Extracting ccvalcons and missed blocks, this is needed to evaluate uptime of validators | ||
signing_info = [] | ||
for validator in data.get("info", []): | ||
address = validator.get("address") | ||
missed_blocks_counter = validator.get("missed_blocks_counter") | ||
signing_info.append([address, missed_blocks_counter]) | ||
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return signing_info | ||
else: | ||
print(f"Error: {response.status_code} - {response.text}") | ||
return None | ||
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except requests.RequestException as e: | ||
print(f"An error occurred while getting the validator signing info: {e}") | ||
return None | ||
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# Convert ccvaloper to cc address | ||
def convert_valoper_address(address): | ||
_, data = bech32.bech32_decode(address) | ||
return bech32.bech32_encode("cc", data) | ||
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# Convert pubkey to ccvalcons | ||
def convert_pubkey_valcons(pubkey): | ||
data = hashlib.sha256(base64.b64decode(pubkey)).digest()[:20] | ||
return bech32.bech32_encode("ccvalcons", bech32.convertbits(data, 8, 5)) | ||
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def main(): | ||
api_url_sign = api + "cosmos/slashing/v1beta1/signing_infos" | ||
params_sign = { | ||
"pagination.limit": pagination_limit | ||
} | ||
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api_url_val = api + "cosmos/staking/v1beta1/validators" | ||
params_val = { | ||
"status": "BOND_STATUS_BONDED", | ||
"pagination.limit": pagination_limit | ||
} | ||
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signing_info = get_signing_info(api_url_sign, params_sign) | ||
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validator_info = get_validator_info(api_url_val, params_val, signing_info) | ||
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if validator_info is not None: | ||
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# Append the current date to the file name | ||
current_date = datetime.now().strftime("%Y_%m_%d") | ||
file_name = f"validator_info_{current_date}.tsv" | ||
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# Write the converted addresses to a TSV file | ||
with open(file_name, mode="w", newline="") as tsv_file: | ||
tsv_writer = csv.writer(tsv_file, delimiter='\t') | ||
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for validator in validator_info: | ||
tsv_writer.writerow(validator) | ||
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print(f"Snapshot written to {file_name}") | ||
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if __name__ == "__main__": | ||
main() |