eth_call
Executes a new message call immediately without creating a transaction on the blockchain.
Parameters:
Object - The transaction call object
from: DATA, 20 Bytes - (optional) The address the transaction is sent from.
to: DATA, 20 Bytes - The address the transaction is directed to.
gas: QUANTITY - (optional) Integer of the gas provided for the transaction execution. eth_call consumes zero gas, but this parameter may be needed by some executions.
gasPrice: QUANTITY - (optional) Integer of the gasPrice used for each paid gas
value: QUANTITY - (optional) Integer of the value sent with this transaction
data: DATA - (optional) Hash of the method signature and encoded parameters. Data size is limited to 20KB. For details see Ethereum Contract ABI in the Solidity documentation
QUANTITY|TAG - integer block number, or the string "latest"
Returns:
DATA - the return value of executed contract.