Dominykas Mostauskis f895da416f Add local Bitcoin node configuration detection ... Refactors LocalBitcoinNode and adds detection for local Bitcoin node's configuration, namely, whether it is pruning and whether it has bloom filter queries enabled. The local node's configuration (and its presence) is retrieved by performing a Bitcoin protocol handshake, which includes the local Bitcoin node sending us its version message (VersionMessage in BitcoinJ), which contains the information we're interested in. Due to some quirky BitcoinJ logic, sometimes the handshake is interrupted, even though we have received the local node's version message. That contributes to the handshake handling in LocalBitcoinNode being a bit complicated. Refactoring consists of two principle changes: the public interface is split into methods that trigger checks and methods that retrieve the cached results. The methods that trigger checks have names starting with "check", and methods that retrieve the cached results have names that start with "is". The other major refactor is the use of Optional<Boolean> instead of boolean for storing and returning the results, an empty Optional signifying that the relevant check was not yet performed. Switching to Optionals has caused other code that queries LocalBitcoinNode to throw an exception in case the query is made before the checks are. Before, the results were instantiated to "false" and that would be returned in case the query was made before the checks completed. This change has revealed one occasion (Preferences class) where this happens.		2020-02-18 00:34:58 +02:00
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.tx	Merge core repository at 4597613	2018-09-05 10:48:22 +02:00
src	Add local Bitcoin node configuration detection	2020-02-18 00:34:58 +02:00
update_translations.sh	Remove Greek from supported core languages	2020-01-08 09:04:17 +01:00