If someone attempts to construct an STAccount with something
other than 160 bits the constructor now throws.
Since an STAccount now enforces that it always stores exactly
160 bits, we use a fixed-sized uint160 for the storage, replacing
a variable sized STBlob.
In order to leave the ledger and wire formats unaffected, the
STAccount still serializes and deserializes itself as though
it were variable length.
Classes and functions for handling data and
values associated with the Ripple protocol.
Serialized Objects
In ripple objects transmitted over the network must be
serialized into a canonical format. The prefix "ST" refers
to classes that deal with the serialized format of ripple
objects.
The term "Tx" or "tx" is an abbreviation for "Transaction",
a commonly occurring object type.
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