Peers now broadcast height after successful synchronization.
Added support for sending unconfirmed transactions to other peers.
This is done on connect and also after a new unconfirmed transaction is submitted via API.
Fixed synchronizer to handle blocks with transactions correctly.
Fixed network-related PoW to not use class-global SHA256 message digester!
(It was being corrupted by simulataneous access by different threads - whoops)
Surrounded Network.mergePeers with a lock to prevent HSQLDB deadlocks.
Also changed HSQLDB concurrency model to MVCC (only takes effect if DB rebuilt).
Added support for logging other HSQLDB sessions in the event of exception.
(Currently only used by HSQLDBSaver)
Transaction transformer modifications to help deserialize TransactionMessages.
Some pom.xml changes to reduce maven-shade-plugin conflicting classes warnings.
Repository now supports SAVEPOINT and ROLLBACK TO SAVEPOINT.
HSQLDB concurrency/transaction model changed from LOCKS to MVCC to help with
transaction deadlocks/rollbacks.
More XXXs and TODOs added to Block.java for investigation/fix/improvements.
Also used new repository SAVEPOINT feature when validating transactions
instead of rolling back entire transaction. This fixes problem during
synchronization where the rollback would undo previously synchronized,
but not yet committed, blocks!
Transactions orphaned by Block.orphan ARE now added to unconfirmed pile,
unlike before.
Concurrent lock now prevents simultaneous block generation and synchronization,
including synchronization via multiple peers.
Lots of new networking code: peer lists, block signatures, blocks,
blockchain synchronization.
PEERS_V2 message now supports hostnames, IPv6 and port numbers.
Fixed bug with block serialization for transport over network.
DB shape change from v29 to add peer info.
New NetworkRepository to handle above.
Peer handshaking with v2 anti-DoS PoW code.
Handshaking refactored into a state-machine-like enum.
Some peer-related API calls added.
Peers exchange pings, heights, peers.
No actual peer sync yet.
Other changes:
Peer version info taken from Maven build properties/resource file.
AnnotationPostProcessor more resilient when fetching PathItems.
Per-repository session debugging flag that can be toggled at will.
HSQLDBRepository.delete() now returns int so callers can detect
whether anything was actually deleted.
Some renaming to settings.
Moved as much reflection out to class-static initializers as possible.
Renamed some classes to fall in line with transaction type name
to class name conversion, e.g. DEPLOY_AT -> DeployAt
API calls that return lists now take limit, offset and reverse params.
API calls that used to return data & optional list (e.g. blockWithTransactions)
now only return base data. The optional lists can be fetched via
a different API call.
Also: SLF4J now routes logging to log4j2 so start up output cleaned up.
Suppressed extraneous Jersey warning about Providers during start-up injection.
Account group join for a group that is closed/invite-only
and has no corresponding invite is now turned into a "join request".
This can be accepted by an admin sending a corresponding invite tx.
(Also minor fix for orphan.java).
Note use of afterUnmarshal() in TransactionData-subclass to replace trash code in Transaction-subclass constructor.
See UpdateGroupTransactionData.afterUnmarshal() compared to RegisterNameTransaction constructor.
Added POST /names/update for building an UPDATE-NAME transaction.
BlockGenerator now tries to validate new block after adding each
unconfirmed transaction in turn. If block becomes invalid then
that transaction is removed/skipped. This should further prevent
block jams. Skipped transactions might be deleted as the next block
is forged when unconfirmed transactions are collated/filtered/expired.
Add Block.deleteTransaction() for use during block generation above.
Block.addTransaction() and Block.deleteTransaction() use transaction
signatures to test for presence in Block's existing transactions.
Names shouldn't have stored registrant's public key!
"registrantPublicKey" removed from NameData Java object/bean.
Corresponding column removed from HSQLDB using ALTER TABLE but
also from the original CREATE TABLE definition. Remove the ALTER
TABLE statement just prior to rebuilding database!
(This needs to be applied to Polls too as some point).
Also, UpdateNameTransactions and BuyNameTransactions tables now
allow name_reference to be NULL as this column value isn't set
until the corresponding transactions are processed/added to a
block. (name_reference is a link to previous name-related
transaction that altered Name data like "owner" or "data" so
that name-related transactions can be orphaned/undone).
Added GET /names to list all registered name.
Added GET /names/{name} for more info on a specific name.
Added GET /names/address/{address} for names owned by address.
Renamed GET /assets/all to GET /assets in line with above.
Fixed edge cases with AnnotationPostProcessor.
Fixed incorrectly exposed "blockHeight" in API UI examples/values.
Changed example transaction timestamp.
Added checks on building/signing/processing new transactions via API
so that they are not too old (older than latest block's timestamp),
too new (more than 24 hours in the future) or the tx creator doesn't
already have a lot of existing unconfirmed transactions (default 100).
Configurable via settings.json properties maxUnconfirmedPerAccount
and maxTransactionTimestampFuture.
Improved /transactions/search to not return unconfirmed transactions
and to order by timestamp.
Transaction.getCreator() now returns PublicKeyAccount, not Account.
Now uses working RIPE-MD160 by default but can be switched to broken MD160 using flag in blockchain config,
e.g. for Qora v1 blockchain.
Replaced API signature/reference examples with descriptive text as they weren't very useful.
Replaced API address examples with ones generated using working MD160.
Added GET /transactions/signature/{signature}/raw that returns raw transaction in base58 encoding.
Added "ignoreValidityChecks" query param to POST /transactions/decode to bypass INVALID_REFERENCE errors
if supplying an old/speculative transaction that can't be added to unconfirmed transaction pile.
Finally fixed creating inital assets in BlockChain.
Controller now inserts BouncyCastle as highest priority Security Provider.
TransactionData & transaction repository now tries to return transaction's block height in data when possible.
Also added test for missing creator public key on API-submitted
transaction creation calls, like /payments/pay or /asset/issue.
(Needs to be an OpenAPI validator added at some point).
Refactored to standard Maven layout:
src/main/java
src/main/resources
src/test/java
etc.
New translation code that uses locale-specific ResourceBundles
to load translations on demand.
Reworked API error/exceptions code to a shorter, simpler
@ApiErrors annotation. Processing of @ApiErrors annotations
produces an example for each possible API error and includes
API error string in HTTP response code, e.g.
400 INVALID_SIGNATURE
Missing API error cases added to each API call.
Translation of openAPI.json removed (for now).
block-explorer.html and BIP39 wordlists now read as resources
instead of direct from disk.
Java compile warnings fixed.
Some runtime warnings remain:
WARNING: A provider api.resource.ApiDefinition registered in SERVER runtime does not implement any provider interfaces applicable in the SERVER runtime.
WARNING: A provider api.resource.AnnotationPostProcessor registered in SERVER runtime does not implement any provider interfaces applicable in the SERVER runtime.
WARN org.reflections.Reflections - given scan urls are empty. set urls in the configuration
