Params - a string array containing (required):Object - Call options, same as eth_call.from: Address - (optional) 20 Bytes - The address the transaction is send from.to: Address - (optional when creating new contract) 20 Bytes - The address the transaction is directed to.gas: Quantity - (optional) Integer formatted as a hex string 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 formatted as a hex string of the gas price used for each paid gas.value: Quantity - (optional) Integer formatted as a hex string of the value sent with this transaction.data: Data - (optional) 4 byte hash of the method signature followed by encoded parameters. For details see Ethereum Contract ABI.Array - Type of trace, one or more of: "vmTrace", "trace", "stateDiff".Quantity or Tag - (optional) Integer of a block number, or the string 'earliest' or 'latest'.Array - Block traces.trace(array). Array of the given transactions’ traces.action(object). DATA - Transaction details.callType(string). type of method, such as call or create.from(hex string). DATA, 20 Bytes - address of the sender.to(hex string). DATA, 20 Bytes - address of the receiver.gas(hex string) . QUANTITY - the amount of gas used by transaction.input(hex string). DATA - the data send along with the transaction.value(hex string). QUANTITY - value transferred in Wei.result(object). DATA - Transaction result.gasUsed(hex string) . QUANTITY - the amount of gas used by transaction.output(hex string). DATA - Return value of the contract call. Contains only the actual value sent by a RETURN operation. If a RETURN was not executed, the output is empty bytes.subTraces(hex string). - Traces of contract calls made by the transaction.traceAddress(Array). - Tree list address of where the call occurred, address of the parents, and order of the current sub call.type(string). type of method, such as call or create.