Calculate the historical Annual Percentage Yield (APY) for a lending pool without considering liquidity impact.
Address of the pool contract
"0x1234567890123456789012345678901234567890"
Blockchain network identifier
"ethereum"
Address of the LP token contract
"0x1234567890123456789012345678901234567890"
Address of the input token for APY calculation (auto-selected if not provided)
"0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48"