Contract.CallEx Method (UInt160, string, object[], CallFlags)
Invokes the contract.
Namespace: Neo.SmartContract.Framework.Services
Assembly: Neo.SmartContract.Framework
Syntax#
public static extern object CallEx(UInt160 scriptHash, string method, object[] arguments, CallFlags flag)Parameters:
- scriptHash: The contract script hash
- method: The contract method
- arguments: The contract method arguments
- flag: The contract call flag
Example#
public class Contract1 : SmartContract { delegate object Dyncall(string method, object[] args);
//0x230cf5ef1e1bd411c7733fa92bb6f9c39714f8f9 in little endian order //HexToBytes()、ToScriptHash() can only operate on constants and cannot be written in the Main method //scriptHash can be modified to be passed in from the parameter or read from storage static byte[] ScriptHash = "f9f81497c3f9b62ba93f73c711d41b1eeff50c23".HexToBytes();
public static object Main(string operation, object[] args) { if (operation == "name") { return Contract.Call((UInt160)ScriptHash, "name", new object[0], CallFlags.ReadOnly); } if (operation == "totalSupply") { return Contract.Call((UInt160)ScriptHash, "totalSupply", new object[0], CallFlags.ReadOnly); } return true; } }