public static StObject FromParser(BinaryParser parser, int? hint = null)
{
var so = new StObject();
// hint, is how many bytes to parse
if (hint != null)
{
// end hint
hint = parser.Pos() + hint;
}
while (!parser.End(hint))
{
var field = parser.ReadField();
if (field == Field.ObjectEndMarker)
{
break;
}
var sizeHint = field.IsVlEncoded ? parser.ReadVlLength() : (int?) null;
var st = field.FromParser(parser, sizeHint);
if (st == null)
{
throw new InvalidOperationException("Parsed " + field + " as null");
}
so.Fields[field] = st;
}
return so;
}
public static AmountValue FromParser(BinaryParser parser)
{
AmountValue value;
var mantissa = parser.Read(8);
var b1 = mantissa[0];
var b2 = mantissa[1];
var isIou = (b1 & 0x80) != 0;
var isPositive = (b1 & 0x40) != 0;
var sign = isPositive ? 1 : -1;
if (isIou)
{
mantissa[0] = 0;
var exponent = ((b1 & 0x3F) << 2) + ((b2 & 0xff) >> 6) - 97;
mantissa[1] &= 0x3F;
value = new IouValue(mantissa, sign, exponent);
}
else
{
mantissa[0] &= 0x3F;
value = new NativeValue(mantissa, sign);
}
return value;
}
public static Amount FromParser(BinaryParser parser, int? hint=null)
{
var value = AmountValue.FromParser(parser);
if (!value.IsIou) return new Amount(value);
var curr = Currency.FromParser(parser);
var issuer = AccountId.FromParser(parser);
return new Amount(value, curr, issuer);
}
public static Hash160 FromParser(BinaryParser parser, int? hint = null)
{
return new Hash160(parser.Read(20));
}
public static Blob FromParser(BinaryParser parser, int? hint=null)
{
Debug.Assert(hint != null, "hint != null");
return parser.Read((int) hint);
}
public StReader(BinaryParser parser)
{
_parser = parser;
}
public new static AccountId FromParser(BinaryParser parser, int? hint=null)
{
return new AccountId(parser.Read(20));
}
public new static Currency FromParser(BinaryParser parser, int? hint = null)
{
return new Currency(parser.Read(20));
}
public static Hash128 FromParser(BinaryParser parser, int? hint=null)
{
return new Hash128(parser.Read(16));
}
public static Hash256 FromParser(BinaryParser parser, int? hint = null)
{
return new Hash256(parser.Read(32));
}