Upcoming changes constitute breaking public API changes to both the
client and types modules, therefore this bumps the version numbers of
both modules and adds local replacements to go.mod files such that the
new versions can be used before they are publicly tagged.
Loading config and preparing loggers are two separate concepts which
should be handled individually. Nesting one inside the other makes
little sense and complicates reusing the code.
There is no need to declare a dozen different "default..." vars only to
immediately insert them into a default config struct when the struct
itself could just be initialized with the default values instead.
This removes the --configfile option from vspd. It introduced quite a
few weird edge cases (and a fair bit of code to deal with them) but
afaik nobody actually used it. Note that the --homedir option stays, so
it is still possible to run vspd with config in a non-default location
if required.
Checking for --help as an explicit step before parsing any other configs
makes the code more intuitive by removing a convoluted bit of error
handling, which happened to be unnecessarily duplicated in three places.
Moving it to a function in the internal package makes it reusable by
multiple binaries.
This also enables the IgnoreUnknown option to be used whilst parsing for
help, which ensures the presence of --help will always result in the
help message being printed. This fixes a minor inconsistency where the
help message would be printed if the flag was placed before an invalid
config, but placing it after would cause an invalid config error to be
written instead. For example, `vspd --help --fakeflag` vs `vspd
--fakeflag --help`.
This downgrade changes StakePoolTicketFee back to the version which does
not consider DCP-0012 activation.
This resolves an issue where Decrediton sometimes fails to pay VSP fees,
caused by Decrediton and vspd independently calculating the fee amount
using different versions of the algorithm.
Releasing the new algorithm will need to be more carefully coordinated,
potentially requiring both client and server sides to be updated in
sync.
The more verbose name was helpful in the past when some code was
handling more than one waitgroup, however that is no longer the case due
to refactoring so reverting to the more concise name makes sense.
Create the shutdown context earlier so process begins handling shutdown
signals earlier. Specifically, the context should be created before
creating any resources which need a graceful shutdown such as the
database. This is important because without explicit signal handling the
process will terminate immediately upon receiving a signal without
running deferred tasks.
Go 1.14 added runtime support for handling the windows CTRL_CLOSE_EVENT,
CTRL_LOGOFF_EVENT, and CTRL_SHUTDOWN_EVENT events by adding a definition
for syscall.SIGTERM to windows and converting the events to that signal.
It also added definitions for other common signals, including SIGHUP,
and treats them as NOOPs on windows.
Consequently, this modifies the logic that deals with conditionally
handling SIGTERM and SIGHUP to handle them for windows as well as all
unix-like operating systems, including newer ones that are supported by
Go since the code was originally written.
Although the additional signals could probably just be added
unconditionally without too much issue now due to the runtime adding
stubs to all operating systems the project officially supports, it is
safer to be explicit when dealing with syscall definitions since there
is no guarantee that they will exist for newly-added operating systems.
Upgrade the dcrwallet dependency to pick up the new version of
txrules.StakePoolTicketFee which considers the status of DCP0012 in its
fee calculation.
The vspd Run func is now blocking and returns when its provided context
is cancelled. This means it is invoked/canceled in the same way as the
webapi Run func.
webapi is now created in the main run func rather than within vspd,
further decoupling these components.
Any tasks deferred in the main func will not execute if os.Exit is
called. Moving application logic down into a new func which is called by
main works around this limitation.
vspd runs some tasks on startup - database consistency checks, catching
up with missed blocks, etc. If a shutdown is requested while these tasks
are running, vspd should stop immediately rather than continuing to
start the web API server and other background tasks.
The more verbose name was helpful in the past when some code was
handling more than one context, however that is no longer the case due
to refactoring so reverting to the more concise name makes sense.
Using a single select loop for background tasks removes a lot of
duplicated boilerplate code and helps to simplify shutdown logic. This
does reduce the amount of things which can run in parallel, but that
isn't of concern for vspd. The web server still runs in its own
goroutine so its responsiveness won't be affected.
Any tickets in the database which are currently revoked should be
updated to either expired or missed.
This is achieved with a heuristic based on the expiry height and
revoke height of the tickets. It is not guaranteed to be 100% correct
but should be pretty close.
The web api is not yet updated to reflect this change, missed/expired
tickets will continue to be counted as revoked.
Use dcrd and GCS filters to find voted/revoked tickets rather than using
the dcrwallet TicketInfo RPC.
Using TicketInfo was a bit flakey because wallets do not always
correctly detect votes/revokes, and as a result VSP admins may notice
that with this change vspd detects some historic voted/revoked tickets
which TicketInfo never detected.
Simnet params were added in the very first commit of vspd purely because
of copy/pasting from another project.
vspd has never actually been tested on simnet, so its possible
(probable) that it won't even operate correctly without additional dev
work. If we want simnet to be a properly supported network it can be
re-added and tested in the future.
