protected bool Storage_Get(ExecutionEngine engine)
{
CustomStorageContext context = engine.EvaluationStack.Pop().GetInterface <CustomStorageContext>();
byte[] key = engine.EvaluationStack.Pop().GetByteArray();
StorageItem item = new StorageItem
{
Value = (byte[])context.data[Encoding.UTF8.GetString(key)]
};
engine.EvaluationStack.Push(item?.Value ?? new byte[0]);
return(true);
}
protected bool Storage_Put(ExecutionEngine engine)
{
CustomStorageContext context = engine.EvaluationStack.Pop().GetInterface <CustomStorageContext>();
byte[] key = engine.EvaluationStack.Pop().GetByteArray();
if (key.Length > 1024)
{
return(false);
}
byte[] value = engine.EvaluationStack.Pop().GetByteArray();
context.data[Encoding.UTF8.GetString(key)] = value;
return(true);
}
public StateReader(ITestOutputHelper output)
{
this.output = output;
this.storageContext = new CustomStorageContext();
Register("Neo.Blockchain.GetHeader", Blockchain_GetHeader);
Register("Neo.Header.GetTimestamp", Header_GetTimestamp);
Register("Neo.Runtime.CheckWitness", Runtime_CheckWitness);
Register("Neo.Runtime.Notify", Runtime_Notify);
Register("Neo.Runtime.Log", Runtime_Notify);
Register("Neo.Storage.GetContext", Storage_GetContext);
Register("Neo.Storage.Get", Storage_Get);
Register("Neo.Storage.Put", Storage_Put);
}