Problem solved, you'd need to parse event logs for event type "Transfer" (For the example given), not "Swap":
from typing import Dict
from web3 import Web3
from web3.exceptions import TransactionNotFound
ONE_BILLION : int = 1000000000
cronos_mainnet_rpc = "https://evm.cronos.org"
w3 = Web3(Web3.HTTPProvider(cronos_mainnet_rpc))
pool_address = Web3.toChecksumAddress("0x0fBAB8A90CAC61b481530AAd3a64fE17B322C25d")
pool_abi = '[{"type":"constructor","stateMutability":"nonpayable","payable":false,"inputs":[]},{"type":"event","name":"Approval","inputs":[{"type":"address","name":"owner","internalType":"address","indexed":true},{"type":"address","name":"spender","internalType":"address","indexed":true},{"type":"uint256","name":"value","internalType":"uint256","indexed":false}],"anonymous":false},{"type":"event","name":"Burn","inputs":[{"type":"address","name":"sender","internalType":"address","indexed":true},{"type":"uint256","name":"amount0","internalType":"uint256","indexed":false},{"type":"uint256","name":"amount1","internalType":"uint256","indexed":false},{"type":"address","name":"to","internalType":"address","indexed":true}],"anonymous":false},{"type":"event","name":"Mint","inputs":[{"type":"address","name":"sender","internalType":"address","indexed":true},{"type":"uint256","name":"amount0","internalType":"uint256","indexed":false},{"type":"uint256","name":"amount1","internalType":"uint256","indexed":false}],"anonymous":false},{"type":"event","name":"Swap","inputs":[{"type":"address","name":"sender","internalType":"address","indexed":true},{"type":"uint256","name":"amount0In","internalType":"uint256","indexed":false},{"type":"uint256","name":"amount1In","internalType":"uint256","indexed":false},{"type":"uint256","name":"amount0Out","internalType":"uint256","indexed":false},{"type":"uint256","name":"amount1Out","internalType":"uint256","indexed":false},{"type":"address","name":"to","internalType":"address","indexed":true}],"anonymous":false},{"type":"event","name":"Sync","inputs":[{"type":"uint112","name":"reserve0","internalType":"uint112","indexed":false},{"type":"uint112","name":"reserve1","internalType":"uint112","indexed":false}],"anonymous":false},{"type":"event","name":"Transfer","inputs":[{"type":"address","name":"from","internalType":"address","indexed":true},{"type":"address","name":"to","internalType":"address","indexed":true},{"type":"uint256","name":"value","internalType":"uint256","indexed":false}],"anonymous":false},{"type":"function","stateMutability":"view","payable":false,"outputs":[{"type":"bytes32","name":"","internalType":"bytes32"}],"name":"DOMAIN_SEPARATOR","inputs":[],"constant":true},{"type":"function","stateMutability":"view","payable":false,"outputs":[{"type":"uint256","name":"","internalType":"uint256"}],"name":"MINIMUM_LIQUIDITY","inputs":[],"constant":true},{"type":"function","stateMutability":"view","payable":false,"outputs":[{"type":"bytes32","name":"","internalType":"bytes32"}],"name":"PERMIT_TYPEHASH","inputs":[],"constant":true},{"type":"function","stateMutability":"view","payable":false,"outputs":[{"type":"uint256","name":"","internalType":"uint256"}],"name":"allowance","inputs":[{"type":"address","name":"","internalType":"address"},{"type":"address","name":"","internalType":"address"}],"constant":true},{"type":"function","stateMutability":"nonpayable","payable":false,"outputs":[{"type":"bool","name":"","internalType":"bool"}],"name":"approve","inputs":[{"type":"address","name":"spender","internalType":"address"},{"type":"uint256","name":"value","internalType":"uint256"}],"constant":false},{"type":"function","stateMutability":"view","payable":false,"outputs":[{"type":"uint256","name":"","internalType":"uint256"}],"name":"balanceOf","inputs":[{"type":"address","name":"","internalType":"address"}],"constant":true},{"type":"function","stateMutability":"nonpayable","payable":false,"outputs":[{"type":"uint256","name":"amount0","internalType":"uint256"},{"type":"uint256","name":"amount1","internalType":"uint256"}],"name":"burn","inputs":[{"type":"address","name":"to","internalType":"address"}],"constant":false},{"type":"function","stateMutability":"view","payable":false,"outputs":[{"type":"uint8","name":"","internalType":"uint8"}],"name":"decimals","inputs":[],"constant":true},{"type":"function","stateMutability":"view","payable":false,"outputs":[{"type":"address","name":"","internalType":"address"}],"name":"factory","inputs":[],"constant":true},{"type":"function","stateMutability":"view","payable":false,"outputs":[{"type":"uint112","name":"_reserve0","internalType":"uint112"},{"type":"uint112","name":"_reserve1","internalType":"uint112"},{"type":"uint32","name":"_blockTimestampLast","internalType":"uint32"}],"name":"getReserves","inputs":[],"constant":true},{"type":"function","stateMutability":"nonpayable","payable":false,"outputs":[],"name":"initialize","inputs":[{"type":"address","name":"_token0","internalType":"address"},{"type":"address","name":"_token1","internalType":"address"}],"constant":false},{"type":"function","stateMutability":"view","payable":false,"outputs":[{"type":"uint256","name":"","internalType":"uint256"}],"name":"kLast","inputs":[],"constant":true},{"type":"function","stateMutability":"nonpayable","payable":false,"outputs":[{"type":"uint256","name":"liquidity","internalType":"uint256"}],"name":"mint","inputs":[{"type":"address","name":"to","internalType":"address"}],"constant":false},{"type":"function","stateMutability":"view","payable":false,"outputs":[{"type":"string","name":"","internalType":"string"}],"name":"name","inputs":[],"constant":true},{"type":"function","stateMutability":"view","payable":false,"outputs":[{"type":"uint256","name":"","internalType":"uint256"}],"name":"nonces","inputs":[{"type":"address","name":"","internalType":"address"}],"constant":true},{"type":"function","stateMutability":"nonpayable","payable":false,"outputs":[],"name":"permit","inputs":[{"type":"address","name":"owner","internalType":"address"},{"type":"address","name":"spender","internalType":"address"},{"type":"uint256","name":"value","internalType":"uint256"},{"type":"uint256","name":"deadline","internalType":"uint256"},{"type":"uint8","name":"v","internalType":"uint8"},{"type":"bytes32","name":"r","internalType":"bytes32"},{"type":"bytes32","name":"s","internalType":"bytes32"}],"constant":false},{"type":"function","stateMutability":"view","payable":false,"outputs":[{"type":"uint256","name":"","internalType":"uint256"}],"name":"price0CumulativeLast","inputs":[],"constant":true},{"type":"function","stateMutability":"view","payable":false,"outputs":[{"type":"uint256","name":"","internalType":"uint256"}],"name":"price1CumulativeLast","inputs":[],"constant":true},{"type":"function","stateMutability":"nonpayable","payable":false,"outputs":[],"name":"skim","inputs":[{"type":"address","name":"to","internalType":"address"}],"constant":false},{"type":"function","stateMutability":"nonpayable","payable":false,"outputs":[],"name":"swap","inputs":[{"type":"uint256","name":"amount0Out","internalType":"uint256"},{"type":"uint256","name":"amount1Out","internalType":"uint256"},{"type":"address","name":"to","internalType":"address"},{"type":"bytes","name":"data","internalType":"bytes"}],"constant":false},{"type":"function","stateMutability":"view","payable":false,"outputs":[{"type":"string","name":"","internalType":"string"}],"name":"symbol","inputs":[],"constant":true},{"type":"function","stateMutability":"nonpayable","payable":false,"outputs":[],"name":"sync","inputs":[],"constant":false},{"type":"function","stateMutability":"view","payable":false,"outputs":[{"type":"address","name":"","internalType":"address"}],"name":"token0","inputs":[],"constant":true},{"type":"function","stateMutability":"view","payable":false,"outputs":[{"type":"address","name":"","internalType":"address"}],"name":"token1","inputs":[],"constant":true},{"type":"function","stateMutability":"view","payable":false,"outputs":[{"type":"uint256","name":"","internalType":"uint256"}],"name":"totalSupply","inputs":[],"constant":true},{"type":"function","stateMutability":"nonpayable","payable":false,"outputs":[{"type":"bool","name":"","internalType":"bool"}],"name":"transfer","inputs":[{"type":"address","name":"to","internalType":"address"},{"type":"uint256","name":"value","internalType":"uint256"}],"constant":false},{"type":"function","stateMutability":"nonpayable","payable":false,"outputs":[{"type":"bool","name":"","internalType":"bool"}],"name":"transferFrom","inputs":[{"type":"address","name":"from","internalType":"address"},{"type":"address","name":"to","internalType":"address"},{"type":"uint256","name":"value","internalType":"uint256"}],"constant":false}]'
pool_contract = w3.eth.contract(address=pool_address, abi=pool_abi)
trx_hash = '0xaba4f0d9fb2606cab22328ea98297526e5ac4f98358e7fcceb098b755d8290ad'
trx = w3.eth.getTransaction(trx_hash) # This only means you sent the transaction. It does not mean it succeeded.
trx_block_number = trx.blockNumber
trx_unix_ts = w3.eth.getBlock(trx_block_number).timestamp
status : int = -1
while True:
try:
'''
https://web3py.readthedocs.io/en/stable/web3.eth.html#methods
Returns the transaction receipt specified by transaction_hash. If the transaction has not yet been mined throws web3.exceptions.TransactionNotFound.
If status in response equals 1 the transaction was successful. If it is equals 0 the transaction was reverted by EVM.
'''
trx_receipt = w3.eth.getTransactionReceipt(trx_hash)
status = trx_receipt['status']
if status == 0 or status == 1:
logs_summary = []
from web3._utils.events import EventLogErrorFlags
'''
Note here, we are checking "Transfer" events! Not "Swap"! That's the confusing bit!
'''
logs = pool_contract.events.Transfer().processReceipt(trx_receipt, EventLogErrorFlags.Warn)
for log in logs:
transaction_type = log.event
sender_address = log.args['from']
destination_address = log.args['to']
amount = log.args['value']
logs_summary.append( {
'transaction_type' : transaction_type,
'sender_address' : sender_address,
'destination_address' : destination_address,
'amount' : amount
})
gas_used_in_units = trx_receipt['gasUsed']
gas_price = w3.eth.gasPrice
gas_used_in_wei = gas_used_in_units * gas_price
gas_used_in_coin = gas_used_in_wei / (ONE_BILLION * ONE_BILLION)
break
except TransactionNotFound:
# Transaction not found!
pass
trx_status : str = "Pending"
if status==1:
trx_status = "Confirmmed"
elif status==0:
trx_status = "Reverted"
transaction_report : Dict = {
'trx_hash' : trx_hash,
'trx_block_number' : trx.blockNumber,
'status' : trx_status,
'trx_unix_ts' : trx_unix_ts,
'gas' : {
'gas_used_in_units' : gas_used_in_units,
'gas_price' : gas_price,
'gas_used_in_wei' : gas_used_in_wei,
'gas_used_in_coin' : gas_used_in_coin # On CRONOS, "Coin" refers to CRO. On Ethereum, this is ETH.
},
'logs' : logs_summary
}
print(transaction_report)
