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HSD Release Notes & Changelog

v7.0.0

When upgrading to this version of hsd, you must pass --wallet-migrate=4 when you run it for the first time.

Primitives

  • TX Changes:
    • tx.test no longer updates the filter.
    • Introduce TX.testAndMaybeUpdate method for potentially updating filter while testing. (old tx.test)

Node Changes

Add support for the interactive rescan, that allows more control over rescan process and allows parallel rescans.

Node HTTP API

  • GET / or getInfo() now has more properties:
    • treeRootHeight - height at which the block txns are accumulated in the current branch.
    • indexers
      • indexTX - is tx indexer enabled.
      • indexAddress - is addr indexer enabled.
    • options
      • spv is the Node SPV?
      • prune does node have pruning enabled.
    • treeCompaction
      • compacted - whethere tree is compacted or not.
      • compactOnInit - is tree compaction on init enabled.
      • compactInterval - what is the current compaction interval config.
      • nextCompaction - when will the next compaction trigger after restart.
      • lastCompaction - when was the last compaction run.
  • Introduce scan interactive hook (start, filter, fullLock)
  • Add get median time hook to get median time past for a blockhash.
  • Add get entries hook to get entries. Similar to get hashes, but returns encoded entries.

hs-client Node

  • Introduce scanInteractive method that starts interactive rescan.
    • expects ws hook for block rescan interactive params rawEntry, rawTXs that returns scanAction object.
    • expects ws hook for block rescan interactive abort param message.
  • Add getMempoolRejectionFilter and checkMempoolRejectionFilter NodeClient aliases.
  • Add getFee, an HTTP alternative to estimateFee socket call.
  • Adds getEntries(start, end) that returns encoded chain entries.

Wallet Changes

  • Add migration that recalculates txdb balances to fix any inconsistencies.
  • Wallet will now use interactive scan for initial sync(on open) and rescan.

Configuration

  • Wallet now has option wallet-migrate-no-rescan/migrate-no-rescan if you want to disable rescan when migration recommends it. It may result in the incorrect txdb state, but can be useful if you know the issue does not affect your wallet or is not critical.
  • Add --wallet-preload-all (or --preload-all for standalone wallet node) that will open all wallets before starting other services (e.g. HTTP). By default this is set to false.
  • Add --wallet-max-history-txs (or --max-history-txs for standalone wallet node) that will be the hard limit of confirmed and unconfirmed histories.

Wallet API

  • WalletNode now emits open and close events.
  • WalletDB Now emits events for: open, close, connect, disconnect.
  • WalletDB
    • open() no longer calls connect and needs separate call connect.
    • open() no longer calls scan, instead only rollbacks and waits for sync to do the rescan.
    • emits events for: open, close, connect, disconnect, sync done.
    • Wallet now has additional methods for quering history:
      • listUnconfirmed(acc, { limit, reverse }) - Get first or last limit unconfirmed transactions.
      • listUnconfirmedAfter(acc, { hash, limit, reverse }) - Get first or last limit unconfirmed transactions after/before tx with hash: hash.
      • listUnconfirmedFrom(acc, { hash, limit, reverse }) - Get first or last limit unconfirmed transactions after/before tx with hash hash, inclusive.
      • listUnconfirmedByTime(acc, { time, limit, reverse }) - Get first or last limit unconfirmed transactions after/before time, inclusive.
      • listHistory(acc, { limit, reverse }) - Get first or last limit unconfirmed/confirmed transactions.
      • listHistoryAfter(acc, { hash, limit, reverse }) - Get first or last limit unconfirmed/confirmed transactions after/before tx with hash hash.
      • listHistoryFrom(acc, { hash, limit, reverse }) - Get first or last limit confirmed/unconfirmed transactions after/before tx with hash hash, inclusive.
      • listUnconfirmedByTime(acc, { time, limit, reverse }) - Get first or last limit confirmed/unconfirmed transactions after/before time, inclusive.
      • NOTE: Default is ascending order, from the oldest.
Wallet HTTP API
  • All transaction creating endpoints now accept hardFee for specifying the exact fee.
  • All transaction sending endpoints now fundlock/queue tx creation. (no more conflicting transactions)
  • Add options to getNames for passing own.
  • Rename createAuctionTxs to createAuctionTXs.
  • All bid serializations will include height of the bid. (-1 if it was migrated not-owned bid)
    • GET /wallet/:id/auction (getAuctions)
    • GET /wallet/:id/auction/:name (getAuctionByName)
    • GET /wallet/:id/bid (getBids)
    • GET /wallet/:id/bid/:name (getBidsByName)
  • All reveal serializations will include bidPrevout of the bid. (null if it was migrated not-owned reveal)
    • GET /wallet/:id/auction (getAuctions)
    • GET /wallet/:id/auction/:name (getAuctionByName)
    • GET /wallet/:id/reveal (getReveals)
    • GET /wallet/:id/reveal/:name (getRevealsByName)
  • GET /wallet/:id/tx/history - The params are now time, after, limit, and reverse.
  • GET /wallet/:id/tx/unconfirmed - The params are are same as above.

These endpoints have been deprecated:

  • GET /wallet/:id/tx/range - Instead use the time param for the history and unconfirmed endpoints.
  • GET /wallet/:id/tx/last - Instead use reverse param for the history and unconfirmed endpoints.
Examples
GET /wallet/:id/tx/history?after=<txid>&limit=50&reverse=false
GET /wallet/:id/tx/history?after=<txid>&limit=50&reverse=true

By using after=<txid> we can anchor pages so that results will not shift when new blocks and transactions arrive. With reverse=true we can change the order the transactions are returned as latest to genesis. The limit=<number> specifies the maximum number of transactions to return in the result.

GET /wallet/:id/tx/history?time=<median-time-past>&limit=50&reverse=false
GET /wallet/:id/tx/history?time=<median-time-past>&limit=50&reverse=true

The param time is in epoch seconds and indexed based on median-time-past (MTP) and date is ISO 8601 format. Because multiple transactions can share the same time, this can function as an initial query, and then switch to the above after format for the following pages.

GET /wallet/:id/tx/unconfirmed?after=<txid>&limit=50&reverse=false
GET /wallet/:id/tx/unconfirmed?after=<txid>&limit=50&reverse=true
GET /wallet/:id/tx/unconfirmed?time=<time-received>&limit=50&reverse=false

The same will apply to unconfirmed transactions. The time is in epoch seconds and indexed based on when the transaction was added to the wallet.

Wallet RPC

The following new methods have been added:

  • listhistory - List history with a limit and in reverse order.
  • listhistoryafter - List history after a txid (subsequent pages).
  • listhistorybytime - List history by giving a timestamp in epoch seconds (block median time past).
  • listunconfirmed - List unconfirmed transactions with a limit and in reverse order.
  • listunconfirmedafter - List unconfirmed transactions after a txid (subsequent pages).
  • listunconfirmedbytime - List unconfirmed transactions by time they where added.

The following methods have been deprecated:

  • listtransactions - Use listhistory and the related methods and the after argument for results that do not shift when new blocks arrive.
Wallet CLI (hsw-cli)
  • history now accepts new args on top of --account: --reverse, --limit, --after, --after.
  • pending now accepts new args, same as above.

Client changes

Wallet HTTP Client

  • getHistory and Wallet.getHistory no longer accept account, instead accepts object with properties: account, time, after, limit, and reverse.
  • getPending and Wallet.getPending have the same changes as getHistory above.

v6.0.0

Node and Wallet HTTP API

Validation errors, request paremeter errors or bad HTTP requests will no longer return (and log) 500 status code, instead will return 400.

Wallet Changes

Configuration

hsd.conf can now be used to define wallet options, when wallet is running as a plugin. Configurations with wallet- prefix will be passed to the wallet. hsd.conf wont be used if the wallet is running in standalone mode.

  • Remove check-lookahead option from walletdb.

Wallet API

  • HTTP Changes:
    • /wallet/:id/open no longer accepts force flag. (it was not used)
  • RPC Changes:
    • createopen and sendopen no longer accept force as an argument. (was not used)
    • Introduce new API to modify account: PATCH /wallet/:id/account/:account.

v5.0.0

When upgrading to this version of hsd, you must pass --wallet-migrate=2 when you run it for the first time.

Node API changes

  • HTTP API endpoint / (hsd-cli getinfo) now includes "public" networking settings.

  • RPCs getnameinfo getnameresource verifymessagewithname and getnamebyhash now accept an additional boolean parameter safe which will resolve the name from the Urkel tree at the last "safe height" (committed tree root with > 12 confirmations). SPV nodes can use this option and retrieve Urkel proofs from the p2p network to respond to these calls.

  • New RPC methods:

    • decoderesource like decodescript accepts hex string as input and returns JSON formatted DNS records resource.

Wallet changes

  • HTTP Changes:

    • Wallet and account create methods now accept lookahead values up to 2^32 - 1.

  • New RPC methods:

    • createbatch and sendbatch create batch transactions with any number of outputs with any combination of covenants.

  • Updates related to nonces and blinds

    • Multisig wallets will compute nonces based on the LOWEST public key in the group. This makes multiparty bidding and revealing more deteministic. Older versions would always use the wallet's OWN public key. To preserve compatability with older software:
      • RPC method importnonce now returns an array of blinds instead of a single blind.
      • HTTP endpoint /wallet/:id/nonce/:name's response replaces 2 string fields (nonce, blind) with arrays of the same type (nonces, blinds)

v4.0.0

When upgrading to this version of hsd you must pass --chain-migrate=3 when you run it for the first time.

Node changes

  • FullNode and SPVNode now accept the option --agent which adds a string to the user-agent of the node (which will already contain hsd version) and is sent to peers in the version packet. Strings must not contain slashes and total user-agent string must be less than 255 characters.

  • FullNode parses new configuration option --compact-tree-on-init and --compact-tree-init-interval which will compact the Urkel Tree when the node first opens, by deleting historical data. It will try to compact it again after tree-init-interval has passed. Compaction will keep up to the last 288 blocks worth of tree data on disk (7-8 tree intervals) exposing the node to a similar deep reorganization vulnerability as a chain-pruning node.

v3.0.0

When upgrading to this version of hsd you must pass --chain-migrate=2 --wallet-migrate=1 when you run it for the first time.

Database changes

  • Updated database versions and layout.
  • Separated migrations from WalletDB and ChainDB: lib/migrations/README.md
  • Blockstore update: The way that block data is stored has changed for greater performance, efficiency, reliability and portability. To upgrade to the new disk layout it's necessary to move block data from LevelDB (e.g. ~/.hsd/chain) to a new file based block storage (e.g. ~./.hsd/blocks). That will happen automatically with the migration flags.

Wallet API changes

  • New RPC methods:

    • signmessagewithname: Like signmessage but uses a name instead of an address. The owner's address will be used to sign the message.
    • verifymessagewithname: Like verifymessage but uses a name instead of an address. The owner's address will be used to verify the message.

  • New wallet creation accepts parameter language to generate the mnemonic phrase.

  • rpc getbids accepts a third parameter unrevealed (bool) which filters the response by checking the wallet's unspent coins database for each bid. If an unspent coin is found, the output address of that coin is added to the JSON response. This is useful for wallet recovery scenarios when users need to call rpc importnonce to repair unknown blinds. The complete usage is now rpc getbids name (own) (unrevealed) so for example a wallet-recovering user would execute rpc getbids null true true.

  • Wallet RPC getnames (and HTTP endpoint /wallet/:id/name) now accept a boolean parameter "own" (default: false) that filters out names the wallet does not own.

DNS changes

  • DNSSEC proofs from the root name server were fixed, particularly around non-existent domains. The empty zone proofs were replaced with minimally covering NSEC records.

  • FullNode and SPVNode parse new option --no-sig0 which disables SIG0 signing in the root nameserver and recursive resolver. The current SIG0 algorithm uses Blake2b and is identified as PRIVATEDNS which is incompatible with most legacy DNS software.

Other changes

  • The logging module blgr has been updated. Log files will now be rolled over at around 20 MB and timestamped. Only the last 10 log files will be kept on disk and older log files will be purged. These values can be configured by passing --log-max-file-size (in MB) and --log-max-files.

v2.4.0

Chain & Consensus changes

  • A consensus inflation bug has been fixed. Non-upgraded miners should upgrade as soon as possible. See https://handshake.org/notice/2020-04-02-Inflation-Bug-Disclosure.html for more information.
  • A new chain value migration is necessary (related to the above fix). This migration will automatically run on boot and should only take 2-3 minutes. Pruned nodes cannot run this migration. Note that pruned nodes may have an incorrect chain value until they re-sync.

Mining changes

Wallet changes

  • Fixes a bug that caused rescans to fail if a name being "watched" was ever TRANSFERed. A deepclean plus rescan may be required to fix affected wallets.

DNS changes

  • Root server DNSSEC has been fixed. It is only authoritative over DS and TXT records, and only returns TXT if no NS (referral) is present in the zone.

Node changes

  • FullNode and SPVNode accept configuration parameter --no-dns (or no-dns: true in hsd.conf) which launches the node without either DNS server (the root authoritative server and the recursive resolver). This avoids some port collisions with other HNS resolvers like hnsd running locally, and generally separates and reduces security concerns around running unneeded servers when a node is just used for transactions and blocks. --no-rs is also accepted to disable the recursive DNS resolver (but keep the root server).

Wallet API changes

  • Adds new wallet HTTP endpoint /wallet/:id/auction based on POST /wallet/:id/bid. It requires an additional parameter broadcastBid set to either true or false. This action returns a bid and its corresponding reveal, the reveal being prepared in advance. The bid will be broadcasted either during the creation (broadcastBid=true) or at a later time (broadcastBid=false). The reveal will have to be broadcasted at a later time, during the REVEAL phase. The lockup must include a blind big enough to ensure the BID will be the only input of the REVEAL transaction.

  • Now parses option --wallet-check-lookahead (or --check-lookahead for standalone wallet node) that will check every account of every wallet in the DB and ensure the lookahead value is the current default and maximum of 200. A rescan is recommended after this action.

Node & Wallet API changes

  • The stats field included in namestate.toJSON() includes extra data if the name is in a TRANSFER state.

v2.3.0

Node changes

  • FullNode now parses option --min-weight=<number> (min-weight: <number> in hsd.conf or minWeight: <number> in JavaScript object instantiation). When assembling a block template, if there are not enough fee-paying transactions available, the miner will add transactions up to the minimum weight that would normally be ignored for being "free" (paying a fee below policy limit). The default value is raised from 0 to 5000 (a 1-in, 2-out BID transaction has a weight of about 889).

  • Transactions that have sat unconfirmed in the mempool for 3 days will be evicted. This is the default MEMPOOL_EXPIRY_TIME value set in policy.js but can be configured (in seconds) with the FullNode option --mempool-expiry-time.

Wallet API changes

  • Adds new wallet HTTP endpoint /deepclean that requires a parameter I_HAVE_BACKED_UP_MY_WALLET=true. This action wipes out balance and transaction history in the wallet DB but retains key hashes and name maps. It should be used only if the wallet state has been corrupted by issues like the reserved name registration bug or the locked coins balance after FINALIZE bug. After the corrupt data has been cleared, a walletDB rescan is required.

Wallet changes

  • Fixes a bug that ignored the effect of sending or receiving a FINALIZE on a wallet's lockedConfirmed and lockedUnconfirmed balance.

v2.2.0

Upgrading

This version fixes a bug in the wallet that would corrupt the database if a user manually generated change addresses using API commands. Upon running the updated software for the first time, hsd will check for corruption and if there is none, proceed with normal operation (no user interaction is required, although this process may take a few minutes for a "busy" wallet). If the bug is detected, hsd will throw an error and quit. To repair the wallet, the user must launch hsd with an extra command-line flag, in addition to whatever parameters they normally use:

$ hsd --wallet-migrate=0 (for most users)

or $ hs-wallet --migrate=0 (for remote wallet node)

These flags may be added to environment variables or a config file if desired, following the pattern described in the configuration guide.

The repair may take a few minutes and will automatically initiate a rescan. For this reason, the user's wallet MUST be connected to a full node (not a pruned node or SPV node).

Node API changes

  • Adds a new node rpc resetrootcache that clears the root name server cache.

  • A new RPC call validateresource was added to validate Handshake Resource JSON and will return an error message on an invalid Resource. The input JSON object is the format expected by rpc sendupdate.

  • A new RPC call getdnssecproof was added to build and return the DNSSEC proof used for reserved name claims. This can be used to test if a reserved name is ready for a CLAIM.

  • RPC calls that return tx outputs in JSON now include output addresses as a string in addition to the version/hash pair.

  • RPC methods getblock and getblockheader now return confirmations: -1 if the block is not in the main chain.

  • A new HTTP endpoint /header/:block was added to retrieve a block header by its hash or height.

Wallet API changes

  • Adds new wallet rpc importname that enables user to "watch" a name and track its auction progress without bidding on it directly.

Wallet changes

  • A bug was fixed that prevented reserved names that had been CLAIMed from REGISTERing. If unpatched software was used to CLAIM a name already, that wallet database is irreversibly corrupted and must be replaced. See handshake-org#454

v2.0.0

Wallet API changes

Creating a watch-only wallet now requires an account-key (or accountKey) argument. This is to prevent hsd from generating keys and addresses the user can not spend from.

v0.0.0

Notable Changes

  • Initial tagged release.