private static ExecutionState Map_Set(RuntimeVM vm)
{
vm.ExpectStackSize(3);
// for security reasons we don't accept the caller to specify a contract name
var contractName = vm.CurrentContext.Name;
vm.Expect(vm.ContractDeployed(contractName), $"contract {contractName} is not deployed");
var field = vm.PopString("field");
var mapKey = SmartContract.GetKeyForField(contractName, field, false);
var entry_obj = vm.Stack.Pop();
var entryKey = entry_obj.AsByteArray();
vm.Expect(entryKey.Length > 0, "invalid entry key");
var value = vm.Stack.Pop();
var map = new StorageMap(mapKey, vm.Storage);
var value_bytes = value.AsByteArray();
map.SetRaw(entryKey, value_bytes);
return(ExecutionState.Running);
}
private static ExecutionState Data_Get(RuntimeVM vm)
{
vm.ExpectStackSize(3);
var contractName = vm.PopString("contract");
vm.Expect(vm.ContractDeployed(contractName), $"contract {contractName} is not deployed");
var field = vm.PopString("field");
var key = SmartContract.GetKeyForField(contractName, field, false);
var type_obj = vm.Stack.Pop();
var vmType = type_obj.AsEnum <VMType>();
if (vmType == VMType.Object)
{
vmType = VMType.Bytes;
}
var value_bytes = vm.Storage.Get(key);
var val = new VMObject();
val.SetValue(value_bytes, vmType);
vm.Stack.Push(val);
return(ExecutionState.Running);
}
private static ExecutionState Data_Delete(RuntimeVM vm)
{
vm.ExpectStackSize(1);
// for security reasons we don't accept the caller to specify a contract name
var contractName = vm.CurrentContext.Name;
vm.Expect(vm.ContractDeployed(contractName), $"contract {contractName} is not deployed");
var field = vm.PopString("field");
var key = SmartContract.GetKeyForField(contractName, field, false);
var contractAddress = SmartContract.GetAddressForName(contractName);
vm.CallNativeContext(NativeContractKind.Storage, nameof(StorageContract.DeleteData), contractAddress, key);
return(ExecutionState.Running);
}