Protocol Buffers interaction is just another serialization standard,
while its widespread it has fortunately mostly been kept out of
anything relevant or important. Mostly due to the fact that is
really quite bad from a technical perspective.
This adds simple and basic support for creating and parsing
protocol buffer messages, mostly to allow interoperability.
If you want quality: use the MessagBuilder/MessageParser ones instead.
The methodname:
blockHeightAtTime()
makes the reader think about the actual height of the chain at that
time. Returning that value until the timestamp of the next block is
reached.
Now the method actally returns that number.
The code does not do any work to account for blocks going backwards in
time compared to the block before.
To enable this means the buildsystem will build all the applications
as well as the libraries.
Applications are 'hub' / 'txVulcano' / 'indexer' etc.
Default this one is turned off.
The unit tests testing base58 encoding were using univalue JSON
parsing, since we deprecatd univalue to be a hub-private lib
this has now been ported to Qts JSON parser.
Which also makes the clunky cmake hack nice to replace with the
QRC files concept.
As I was in there anyway, the base58 methods being global scope
C-style methods has now been fixed by putting them in a namespace.
As this is not actually used outside of the Hub, it really makes
more sense to make this testing part of the hub testing.
Also makes it easier to compile.
Seems that the this path changed, either in Qt or in the cmake modules
(which comes down to the same thing).
It now no longer points to the root of my project but to the place where
my executable is stored (the testing/api dir).
Version.h held mostly stuff for protocol.h, which is a hub-specific file.
The only thing that we actually use is the PROTOCOL_VERSION in our code
and as such that one moved to the interfaces dir.
setting an incorrect value should not keep the old data after we already
update the fValid boolean.
That would give the user the impression that the data was removed while
it really isn't.
This adds support for the
Lexicographical Indexing of Transaction Inputs and Outputs
anonimize concepts of transactions directly in the transaction builder.
These are technically static libs, but not in any way shared libs.
They are used solely only by this repo and really only by the hub.
Most important, no header files are installed and basically none of
the normal rules for reusable libraries are applied to these files.
Flowee experimented with a 'metablock' a piece of data stored next to
the blocks with some metadata it discovered during validation.
One of those pieces of info is the txid, which turned out to be too big
to store here (16GB or so added).
This change removes the txid but it does keep the script-flags and the
fees for each transaction (8 bytes per tx) which adds maybe 3GB to the
entire chain.
What we did previously is load a static chain which was to avoid lots of
work by simply memory-mapping the data instead of inserting it in a
vector.
This improves upon that by also having a metadata file which holds the
block-hashes directly readable. This avoids us having to iterate over
the blockheaders and hashing them.
Additionally we now have a single chain-work field that is the total
amount added work for the headers. This saves us from doing 256-bit
divisions and work for each blockheader as well.
Result is that we make the statup mostly about memory moving and remove
all CPU intensive stuff. Going from 1450ms to 400ms on desktop.
I expect an even greater gain on mobile CPUs.
tomFlowee