public static DBValue FromRaw(byte[] data)
{
if (data == null)
{
return(null);
}
DBValue v = new DBValue();
//read type
v.type = (Type)data[0];
//read tag
v.tag = new byte[data[1]];
for (var i = 0; i < v.tag.Length; i++)
{
v.tag[i] = data[i + 2];
}
//read last
v.LastModifyHeight = BitConverter.ToUInt64(data, 2 + v.tag.Length);
//read value
v.value = new byte[data.Length - 2 - v.tag.Length - 8];
for (var i = 0; i < v.value.Length; i++)
{
v.value[i] = data[2 + v.tag.Length + 8 + i];
}
v.ParseValue();
return(v);
}
public static DBValue FromValue(Type _type, object _value)
{
DBValue v = new DBValue();
v.type = _type;
v.tag = new byte[0];
if (v.type == Type.Bytes && _value is byte[])
{
}
else if (v.type == Type.INT32 && _value is Int32)
{
v.value = BitConverter.GetBytes((Int32)_value);
}
else if (v.type == Type.UINT32 && _value is UInt32)
{
v.value = BitConverter.GetBytes((UInt32)_value);
}
else if (v.type == Type.INT64 && _value is Int64)
{
v.value = BitConverter.GetBytes((Int64)_value);
}
else if (v.type == Type.UINT64 && _value is UInt64)
{
v.value = BitConverter.GetBytes((UInt64)_value);
}
else if (v.type == Type.BOOL && _value is bool)
{
v.value = ((bool)_value) ? new byte[1] {
1
} : new byte[] { 0 };
}
else if (v.type == Type.Float32 && _value is float)
{
v.value = BitConverter.GetBytes((float)_value);
}
else if (v.type == Type.Float64 && _value is double)
{
v.value = BitConverter.GetBytes((double)_value);
}
else if (v.type == Type.BigNumber && _value is System.Numerics.BigInteger)
{
v.value = ((System.Numerics.BigInteger)_value).ToByteArray();
}
else if (v.type == Type.String && _value is string)
{
v.value = System.Text.Encoding.UTF8.GetBytes((string)_value);
}
else
{
throw new Exception("error value type:want[" + _type + "] value is[" + _value.GetType() + "]");
}
v.typedvalue = _value;
return(v);
}