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v3.0.0-beta - 2026-03-06

Features:

TRON Wallet-Only Support:

  • Added initial TRON blockchain integration with HD wallet activation, TRC20 token support, transaction signing, fee estimation, and withdrawals. #2467 #2712 #2714

WalletConnect:

  • Implemented BTC/UTXO transaction signing and legacy swap (v1) support via WalletConnect. #2566

UTXO:

  • Added RXD ForkIdRxd sighash signing path for Radiant chain support. #2713

Enhancements/Fixes:

EVM / ETH:

  • Added SafeERC20 V1 USDT support and docker tests. #2711

Other Changes:

Infrastructure / CI:

  • Migrated service endpoints to gleec.com. #2704
  • Migrated docker image push to GLEEC organization. #2705
  • Split docker tests into feature-gated parallel suites. #2707
  • Removed review reminder bot. #2706

Documentation:

  • Added AGENTS.md documentation across key crates. #2465

Legal:

  • Updated LICENSE IP ownership.

NB - Backwards compatibility breaking changes:

P2P Network:

  • Default P2P netid changed from 8762 to 6133 as part of GLEEC rebranding; netid 8762 added to the deprecated list. Nodes on the old default netid will no longer discover peers on the new default. #2710

Dex Fees:

  • Dex fee rate updated to 2% with a 1% discount for GLEEC; fee collection addresses migrated to GLEEC. #2710

v2.6.0-beta - 2025-11-28

Features:

SIA Integration:

  • Completed SIA coin integration, adding SIA as a new protocol with activation in both Iguana and HD modes using the m/44'/1991'/0'/0'/0' derivation path, wallet operations, transaction history v1, and legacy swaps are supported. #2540

WalletConnect:

  • Implemented BTC/UTXO coin activation via WalletConnect, aligning UTXO with existing EVM/Cosmos activations. #2499

Trading:

  • Added expirable maker orders controlled by an optional timeout_in_minutes field on setprice, so stale listings retire automatically while staying backwards compatible. #2516

UTXO Management:

  • Introduced a consolidate_utxos RPC to merge small outputs and reduce fee overhead. #2587

Work in Progress (WIP) Features:

Solana Protocol (feature-flagged):

  • Added the initial wallet-only Solana implementation (activation, token handling, WASM-compatible RPC wiring) behind the enable-solana flag, swaps and transaction history are not yet available. #2586 #2598 #2622 #2679

Liquidity Routing:

  • Added a best_swap RPC that performs ask-side liquidity routing to surface the optimal route for a desired outcome amount. #2362

Enhancements/Fixes:

Swaps and Order Matching:

  • Banned makers after failed negotiation attempts in legacy swaps to prevent repeated retries on the same maker. #2688
  • Reduced legacy swap payment broadcast intervals for faster propagation on mobiles. #2680
  • Hardened swap v2 offline validation by reusing the offline maker/taker checks, then added best‑effort visibility gates with one‑shot rebroadcast fallback to all coins. #2646 #2618
  • Split the orderbook trie from the orderbook to cut lock contention during propagation. #2661
  • Ensured order subscriptions are set on kickstart and skipped GC of own pubkeys. #2597
  • Corrected dexfee balance checks for TPU swaps to avoid false failures. #2600

Wallet and Keys:

  • Corrected shielded HD derivation path formatting in get_private_keys responses. #2685
  • Fixes a critical bug where get_private_keys returned incorrect keys in iguana mode that were derived from an empty passphrase when passphrase is null, this happened when loading wallets from KDF encrypted storage. #2683
  • Updated Trezor UTXO/EVM calls to match recent firmware changes. #2565

UTXO / Electrum:

  • Switched Electrum block-count queries to sequential mode to avoid server bans on endpoints with strict per-IP limits. #2666
  • Added a fixed-fee option for DINGO-like chains. #2454
  • Revised minimum trading volume for fixed-fee UTXO coins to account for HTLC spend fees and avoid unprofitable swaps. #2564
  • Relaxed scriptSig signature parsing to stop rejecting valid inputs during validation. #2591
  • Overhauled UTXO block-header deserialization and fork handling for AuxPoW/KAWPOW variants, PIVX Sapling, Namecoin, XEC, Cheetahcoin, and many others to prevent parsing failures and false AuxPoW attempts. #2583 #2563 #2572
  • Made UTXO chain variants explicit via chain_variant config replacing hardcoded ticker handling. #2692

EVM / ETH:

  • Refined gas fee policy handling (adjustment params, renamed RPC) for swap/signing flows. #2533
  • Added activation validation tweaks and increased EVM timeouts; aligned naming for platform balance helpers. #2543
  • Fixed ETH max withdrawal logic, prevented underflow on low balances, and now return structured EIP-1559 withdrawal errors that include network-required fee info. #2531 #2532

WalletConnect:

  • Returned the pairing_topic in new_connection responses. #2538

RPCs:

  • Allowed get_enabled_coins, task::init_trezor::init, and wc_get_sessions to accept an empty params field so RPC callers can omit optional payloads without breaking compatibility. #2612
  • Returned JSON-formatted help responses from the help RPC. #2613

Event Streaming:

  • Broadcast OS shutdown signals via the streaming manager (stream::shutdown_signal::enable). #2667
  • Stopped streamer errors from crashing dev builds by handling SIGINT/SIGTERM/SIGQUIT more gently when the signal handler runs. #2669
  • Fixed SSE client-id parsing and allowed query parameters to pass through to event-stream endpoints. #2677 #2678
  • Fixed iOS certificate validation for Tendermint balance streaming. #2674

Tendermint / Cosmos:

  • Implemented get_trade_fee RPC for Tendermint-based assets (trade/swap only, not wallet-only assets) that requires an existing on-chain account. #2663

CLI:

  • Migrated the CLI to clap, standardizing -h/--help and version output, removing unused/undocumented modes. #2510

Graceful Shutdown:

  • Refactored signal handling to cover more signals, and fail gracefully with the feature disabled on Windows/Web. #2667

Error Handling:

  • Added an map_mm_err helper and applied it at key conversion sites to satisfy newer Rust coherence rules without changing error semantics for MmError. #2443

Other Changes:

Toolchain:

  • Switched the build to always use the latest available stable compiler (including WASM targets). #2444 #2528 #2557

Dependencies:

  • Applied broad security/dependency updates (tokio, anstream, atty, mio, time, chrono, and more), removed some deprecated/duplicated crates. #2562

Infrastructure / CI:

  • Updated the CI container base image to Debian 11 to keep dependencies working across host OSes. #2534
  • Added Node.js 20 to the CI container image to satisfy tooling needs for release builds and scripts. #2536
  • Added a git blame ignore list so toolchain/formatting churn no longer dominates blame views. #2649
  • Deployed a GitHub Action that publishes WASM playground previews on PRs with the deploy: wasm-playground label. #2607
  • Avoided using port 7000 for MYCOIN in docker tests to skirt macOS AirPlay receiver conflicts. #2681

Core Maintenance:

  • Removed remaining static mut globals in favor of thread-safe primitives across executor/WASM/coins/swap tests. #2590

Documentation:

  • Improved macOS docs for common Docker startup errors to ease initial setup and troubleshooting. #2544 #2550

NB - Backwards compatibility breaking changes:

ETH Clients:

  • Parity client support was removed. #2527

EVM / ETH Withdrawal Errors:

  • EIP-1559 withdrawal failures now return structured error objects containing network-required fees; clients parsing RPC strings should handle the new schema. #2532

Fixed-Fee UTXO Coins:

  • Minimum trading volume calculation was revised for fixed-fee UTXO coins, which may change minimum order sizes on those networks (dynamic-fee/dust-based coins unchanged). #2564 #2591 #2692

CLI Modes:

  • Unused/undocumented CLI modes were removed during the migration to clap; scripts relying on them may need updates (RPC API unchanged). #2510

v2.5.2-beta - 2025-10-10

Enhancements/Fixes:

Swap Stats DB:

  • Swap status broadcasting was enabled for privacy coins with the persistent pubkey hidden (set to zeros) to maintain user privacy. #2648
  • Stats database now correctly stores persistent pubkeys for both maker and taker instead of incorrectly storing htlc pubkeys in some cases. #2648

ARRR/Pirate:

  • The get_nullifiers function for Zcoin WASM build is now aligned with its sqlite counterpart to return nullifiers for both unspent notes and notes with unconfirmed spends, fixing the spent_by_me field in transaction history and balance calculations. #2651

Metrics:

  • The memory_db size metric that relied on parity-util-mem::malloc_size was removed because it intermittently segfaulted on Linux due to allocator conflicts. #2632

Build and Dependency Management:

  • A CI job was added to build macOS Universal2 artifacts for KDF, this combines x86_64-apple-darwin and aarch64-apple-darwin binaries via lipo to produce a single binary that runs natively on both Intel and Apple Silicon. The universal binary is uploaded as kdf_<commit>-mac-universal.zip. #2628
  • The parity-util-mem dependency was removed. #2632
  • CI container base image was bumped to debian:bullseye-slim #2534 #2641

v2.5.1-beta - 2025-07-28

Enhancements/Fixes:

Wallet:

  • A comprehensive get_private_keys RPC was implemented to export private keys, public keys, and addresses for any configured coin without requiring activation. HD and Iguana modes with protocol-specific logic for UTXO, EVM, Tendermint, and ZHTLC coins were supported, enabling offline recovery workflows (implemented by Devin AI). #2542

v2.5.0-beta - 2025-07-04

Features:

WalletConnect Integration:

  • WalletConnect v2 support for EVM and Cosmos coins was implemented, enabling wallet connection and transaction signing via the WalletConnect protocol. #2223 #2485 #2508

Work in Progress (WIP) Features:

Cosmos Network and IBC Swaps:

  • Pre-swap validation logic was implemented for maker order creation, requiring HTLC assets and healthy IBC channels on the Cosmos network, with all changes gated behind the ibc-routing-for-swaps feature. #2459
  • The taker and maker order types were extended with an order_metadata field to carry protocol/IBC details, and cross-checks for IBC channels were added (also feature-gated), enabling both parties to validate IBC routing before a swap. #2476

TRON Integration:

  • Initial groundwork for TRON integration was started, including the addition of basic structures and boilerplate code; no end-to-end functionality is yet available. #2425

Enhancements/Fixes:

Event Streaming:

  • Streamer IDs in the event-streaming system were strongly typed to improve type safety and code clarity. #2441

Peer-to-Peer Network:

  • Hardcoded seed node IP addresses were removed from the peer-to-peer network configuration to improve maintainability. #2439

Orders and Trading Protocol:

  • The minimum trading volume logic was revised to remove BTC-specific volume behavior, standardizing the calculation across all coins. #2483

Tendermint / Cosmos:

  • A helper for generating internal transaction IDs for Tendermint transactions was introduced. #2438
  • The IBC channel handler was improved to enhance safety and reliability when interacting with IBC channels. #2298

Wallet:

  • Unconfirmed z-coin notes are now correctly tracked. #2331
  • HD multi-address support for message signing was implemented, allowing message signatures from multiple derived addresses. #2432 #2474
  • A delete_wallet RPC was introduced to securely remove wallets after password confirmation, while preventing the deletion of the currently active wallet. #2497
  • A race condition during the initialization of Trezor-based hardware wallets was resolved by ensuring the correct account and address are loaded before fetching the enabled address, preventing startup errors. #2504

UTXO:

  • Validation of expected public keys for p2pk inputs was corrected, resolving an error in p2pk transaction processing. #2408
  • Transaction fee calculation and minimum relay fee handling for UTXO coins were improved for accurate fee estimation. #2316

EVM / ERC20:

  • ETH address serialization in event streaming was updated to use the AddrToString trait for consistency. #2440

Pubkey Banning:

  • Expirable bans for pubkeys were introduced, allowing temporary exclusion of certain public keys. #2455

RPC Interface:

  • A unified interface was implemented for legacy and current RPC methods. #2450

DNS Resolution:

  • IP resolution logic was improved to fail only if no IPv4 address is found. #2487

Database and File System:

  • More replacements of dbdir with address_dir were made as part of an ongoing improvement to database architecture. #2398

Build and Dependency Management:

  • Duplicated mm2 build artifacts were removed from the build process to reduce clutter. #2448
  • Static CRT linking was enabled for MSVC builds, improving the portability of Windows binaries. #2464
  • The timed-map dependency was bumped to version 1.4.1 for improved performance and stability. #2413 #2481
  • The base58 crate was removed and replaced with bs58 throughout the codebase for consistency and security. #2427
  • Dependencies were reorganized using the workspace.dependencies feature for centralized management. #2449

Other Changes:

Documentation:

  • Old URLs referencing atomicDEX or previous documentation pages were updated throughout the documentation. #2428
  • A DeepWiki badge was added to the README to highlight documentation resources. #2463

Core Maintenance:

  • Workspace dependencies were organized for consistent dependency management across the project. #2449
  • A unit test was added to validate DEX fee handling for ZCoin. #2460
  • Improved ERC20 token lookup to use platform ticker alongside contract address for proper token identification across platforms. #2445

NB - Backwards compatibility breaking changes:

WalletConnect/EVM Coin Activation Policy:

  • The priv_key_policy field for EVM coin activation now requires the new enum variant format: "priv_key_policy": { "type": "ContextPrivKey" }. #2223

TRON/EVM Chain Specification:

  • EVM coin configurations must now include chain_id inside the protocol_data field. Legacy chain_id fields are deprecated. #2425

mm2 Build Artifacts:

  • The mm2 binaries have been removed from build outputs. Users must reference new artifact locations. #2448

Seednode Configuration:

  • Hardcoded seed nodes were removed. KDF will no longer connect to 8762 mainnet by default without proper seednodes configuration. #2439

IBC/Cosmos Changes:

  • The ibc_chains and ibc_transfer_channels RPC endpoints have been removed. #2459
  • The ibc_source_channel field now requires numeric values only (e.g., 12 instead of channel-12). #2459

v2.4.0-beta - 2025-05-02

Features:

Experimental Namespace:

  • Introduced experimental namespace for APIs that may undergo breaking changes in future releases #2372

Event Streaming:

  • Refactored event-streaming system to support dynamic, API-driven subscription management #2172
  • Added support for additional event types including transaction history events, swap events, and more #2172

Cosmos Staking:

  • The following staking operations were added for Cosmos chains:
  • Additional RPC endpoints were added for:
    • Validator data queries #2310
    • Delegation status and ongoing undelegations #2377
  • Relocated staking RPCs under experimental::staking namespace with new method names #2372

Enhancements/Fixes:

Event Streaming:

  • UnknownClient error was moved to trace level #2401
  • Initial addresses registration in UTXO balance streaming was fixed to properly track address balances when streamer is enabled #2431

Peer-to-Peer Network:

  • Implemented network time synchronization validation to avoid swap failures due to node clock drift #2255 #2302, with additional testing coverage #2304
  • Removed static seed node IP addresses for improved reliability #2407
  • Improved error handling in best_orders RPC when no peers respond to orderbook requests #2318
  • Fixed peer-to-peer backward compatibility for swap negotiations by improving serialization of pubkey fields #2353

Trading Protocol Improvements:

  • Implemented zero DEX fees for v2 swaps (TPU) for KMD trading pairs #2323
  • Added swap protocol versioning with fallback support to legacy swaps #2324
  • Added pre-burn address outputs for collecting 25% of taker DEX fees:
    • UTXO swaps (both v1 and v2 protocols) #2112
    • Cosmos and ARRR swaps (legacy protocol only) #2112
  • Fixed payment spend and secret extraction logic in swaps v2 #2261
  • Removed unnecessary state during ETH funding validation in swaps v2 #2334
  • Allowed skipping unnecessary P2P message handling in ETH swaps v2 #2359
  • Improved swap robustness by checking for existing maker/taker payments before timeout validation #2283
  • Fixed memory leak issue in legacy swaps tracking (running_swap) #2301
  • Added is_success field to legacy swap status response, making success state more explicit #2371

Tendermint/Cosmos Improvements:

  • Improved transaction query reliability using standardized TxSearchRequest #2384
  • Added token transaction history support #2404
  • Fixed unhandled IBC and HTLC events #2385

Wallet Improvements:

  • Added an RPC to change mnemonic passwords #2317
  • Enabled storage and usage of non-BIP39 mnemonics #2312
  • Fixed hardware-wallet context initialization for UTXO withdrawals #2333
  • Added validation to restrict wallet names to alphanumeric characters, dash, and underscore #2400
  • Changed wallet file extension from .dat to .json to better reflect content #2400
  • Implemented optional password strength validation for mnemonic encryption #2400

FIRO Integration:

  • Added support for FIRO Spark verbose transaction details #2396

Pirate/ARRR Integration:

  • Dockerized Zombie/Pirate tests for improved test environment reliability #2374

Database and File System Improvements:

  • Improved database architecture with context functions and global DB usage has started in #2378, this is still under development under the new-db-arch compilation flag.
  • Fixed file filtering logic to exclude directories #2364

RPC Enhancements:

  • Implemented dynamic RPC port allocation (rpcport: 0) allowing automatic selection of available ports #2342

NFT integration #900:

  • Fixed update_nft to work correctly with HD wallets using the enabled address #2386
  • Fixed withdraw_nft method to work correctly in HD mode #2424

Simple Maker Bot #1065:

  • Added LiveCoinWatch price provider and removed deprecated Nomics provider #2416

UTXO Improvements:

  • Added support for parsing taproot output address types from blockchain.transaction.get verbose transactions #2423

Qtum Delegation:

  • Standardized parameter naming by using validator_address for QTUM delegation similar to Cosmos #2419

Security Fixes:

  • Fixed potential panics in hash processing by enforcing fixed-size arrays and proper length validation #2279
  • Improved security of key derivation by validating key material length #2356
  • Ensured consistent Argon2 parameters for wallet encryption/decryption #2360
  • Fixed path traversal vulnerability in wallet file handling #2400

Other Changes:

Code and Dependencies:

  • Added default implementations for protocol-specific SwapOps functions #2354
  • ETH address displaying now uses a generic trait #2348
  • Removed unnecessary Arc wrappers from Ethereum websocket implementation #2291
  • Updated dependencies:
    • Replaced deprecated instant dependency #2391
    • Completed migration to timed-map crate #2247 #2306 #2308
    • Bumped libp2p from k-0.52.11 to k-0.52.12 to fix iOS platform build issues #2326

Build and Testing Improvements:

  • Rewrote main build script for clarity/stability and to eliminate cache invalidation #2319
  • mm2_main error is now unified across native and wasm #2389
  • mm2_main in wasm now returns a js promise by making it async #2389
  • A lot of unstable tests were made more stable in #2365
  • Added additional Sepolia testnet nodes for improved test coverage #2358
  • Fixed failing Electrum protocol version test #2412
  • Updated Docker build configuration for WASM to fix dependency version issues #2294
  • Fixed WASM build by adding test-ext-api feature to required toml files #2295
  • Improved CI performance with proper Rust caching implementation #2303
  • Updated broken RPC link in Cosmos tests #2305
  • Unlocked wasm-pack version constraints in CI workflows and Docker builds #2307
  • Fixed mm2_p2p module development build to support individual module testing #2311
  • Added Cargo.lock validation to CI process to prevent lockfile inconsistencies #2309
  • Improved branch naming flexibility by allowing feature-specific patterns like feat/swapstatus-is-success #2371
  • Fixed formatting and linting job failures by correcting the syntax for rustup component installation #2390

NB - Backwards compatibility breaking changes:

  • Event streaming model changed from static configuration to API-driven subscription #2172

v2.3.0-beta - 2024-12-19

Features:

  • 1inch Integration:
    • Initial code to connect to 1inch Liquidity Routing API (LRAPI) provider was added along with two new RPCs for 1inch classic swap API #2222
    • New 'approve' and 'allowance' RPCs for ERC20 tokens were also added #2222

Enhancements/Fixes:

  • Error Handling:
    • KDF now checks main files (config/coins/etc.) before reading them to prevent potential panics #2288
    • Special character restrictions (<, >, &) were removed from RPC request bodies that were incorrectly blocking valid password characters in the get_mnemonic RPC call #2287
  • Dependencies:
    • Removed unnecessary reliance on core #2289
    • Bumped libp2p dependency to k-0.52.11 for security reasons #2296
  • Performance:
    • Replaced GStuff constructible with OnceCell for better performance #2267

v2.2.0-beta - 2024-11-22

Features:

  • Connection Healthcheck
    • Connection healthcheck implementation for peers was introduced. #2194
  • Custom Tokens Activation
    • Support for enabling custom EVM (ERC20, PLG20, etc..) tokens without requiring them to be in the coins config was added. #2141
      • This allows users to interact with any ERC20 token by providing the contract address.

Enhancements/Fixes:

  • Trading Protocol Upgrade #1895
    • EVM TPU taker methods were implemented and enhancements were made to ETH docker tests. #2169
    • EVM TPU maker methods were implemented. #2211
  • NFT integration #900
    • Refund methods for NFT swaps were completed. #2129
    • token_id field was added to the tx history primary key. #2209
  • Graceful Shutdown
    • CTRL-C signal handling with graceful shutdown was implemented. #2213
  • Seed Management #1939
    • A new get_wallet_names RPC was added to retrieve information about all wallet names and the currently active one. #2202
  • Cosmos Integration #1432
    • Cosmos tx broadcasting error was fixed by upgrading cosmrs to version 15. #2238
    • Cosmos transaction history implementation was incorrectly parsing addresses (using the relayer address instead of the cross-chain address) from IBC transactions. The address parsing logic was fixed in #2245
  • Order Management
    • Cancel order race condition was addressed using time-based cache. #2232
  • Swap Improvements
    • A legacy swap issue was resolved where taker spent maker payment transactions were sometimes incorrectly marked as successful when they were actually reverted or not confirmed, particularly in EVM-based swaps. #2199
      • Two new events were added: "MakerPaymentSpendConfirmed" and "MakerPaymentSpendConfirmFailed"
    • A fix was introduced where Takers don't need to confirm their own payment as they can wait for the spending of it straight away. #2249
      • This invalidates this fix #1442, a better solution will be introduced where taker rebroadcasts their transaction if it's not on the chain.
    • A fix was introduced for recover funds for takers when the swap was marked as unsuccessful due to the maker payment spend transaction not being confirmed. #2242
      • The required confirmations from coin config for taker/maker payment spend are now used instead of using 1 confirmation max. This is because some chains require more than 1 confirmation for finality, e.g. Polygon.
  • Swap watchers #1431
    • Taker fee validation retries now work the same way as for makers. #2263
  • Electrum Client
    • Electrum client was refactored to add min/max connection controls, with server priority based on list order. #1966
    • Electrum client can now operate in single-server mode (1,1) to reduce resource usage (especially beneficial for mobile) or multi-server (legacy) mode for reliability.
    • Higher priority servers automatically replace lower priority ones when reconnecting during periodic retries or when connection count drops below minimum.
  • Coins Activation
    • EVM addresses are now displayed in full in iguana v2 activation response. #2254
  • HD Wallet #1838
    • Balance is now returned as CoinBalanceMap for both UTXOs and QTUM. #2259
      • This is to return the same type/json across all coins for GUIs since EVM uses CoinBalanceMap.
    • EVM addresses are displayed in full in get_new_address response after #2264
  • RPC Service
    • A fix was introduced to run rpc request futures till completion in #1966
      • This ensures RPC request futures complete fully even if clients disconnect, preventing partial state updates and maintaining data consistency.
  • Security Enhancements
    • Message lifetime overflows were added to prevent creating messages for proxy with too long lifetimes. #2233
    • Remote files are now handled in a safer way in CI. #2217
  • Build Process
    • wasm-opt overriding was removed. #2200
  • Escaped response body in native RPC was removed. #2219
  • Creation of the all-zeroes dir on KDF start was stopped. #2218
  • OPTIONS requests to KDF server were added. #2191

Removals:

  • Solana Support #1085
    • Solana implementation was removed until it can be redone using the latest Solana SDK. #2239
  • Adex-CLI #1682
    • adex-cli was deprecated pending work on a simpler, more maintainable implementation. #2234

Other Changes:

  • Documentation
    • Issue link in README was updated. #2227
    • Commit badges were updated to use dev branch in README. #2193
    • Leftover subcommands were removed from help message. #2235 #2270
  • Code Structure
    • lib.rs was replaced by mm2.rs as the root lib for mm2_main. #2178
  • Code Improvements
    • P2P feature was added to mm2_net dependency to allow the coins crate to be compiled and tested independently. #2210
    • Coins mod clippy warnings in WASM were fixed. #2224
    • Nonsense CLI arguments were removed. #2216
  • Tests
    • Tendermint IBC tests were fixed by preparing IBC channels inside the container. #2246
    • .wait() usage was replaced with block_on in tests to ensure consistent runtime usage, fixing issues with tokio TCP streams in non-tokio runtimes. #2220
    • Debug assertions for tests were enabled. #2204
    • More Sepolia test endpoints were added in #2262

NB - Backwards compatibility breaking changes:

  • RPC Renaming
    • get_peers_info RPC was renamed to get_directly_connected_peers. #2195
  • Cosmos Integration #1432
    • Updates to Tendermint activation payloads:
      • 'rpc_urls' field (previously a list of plain string values) is replaced with 'nodes' (a list of JSON objects). #2173
  • Komodo DeFi Proxy
    • All RPC methods fields controlling komodo-defi-proxy are renamed to 'komodo_proxy', affecting various activations, including ETH/EVM. #2173

v2.1.0-beta - 2024-07-31

Features:

  • Seed Management #1939
    • Seed generation, encryption, and storage features were introduced, including a new get_mnemonic API. #2014
  • A new sign_raw_transaction rpc was added for UTXO and EVM coins, this will facilitate air-gapped wallet implementation in the future. #1930

Enhancements/Fixes:

  • Event Streaming #1901
    • Balance event streaming for Electrum clients was implemented. #2013
      • Balance events for UTXOs were introduced.
      • Electrum notification receiving bug was fixed.
    • Balance event streaming for EVM was added. #2041
    • Error events were introduced. #2041
    • Heartbeats were introduced to notify about streaming channel health. #2058
    • Balance event streaming for ARRR/Pirate was added. #2076
  • Trading Protocol Upgrade #1895
    • Important note: Seednodes update is needed to support and rebroadcast new swap protocol messages. #2015
    • WASM storage for upgraded swaps introduced. #2015
    • Migration of old swaps data was added. #2015
    • Swaps now automatically kickstart on MM2 reload. #2015
    • File lock for swaps added, preventing the same swap from starting in different processes. #2015
    • my_swap_status, my_recent_swaps V2 RPCs introduced. #2015
    • Upgraded swaps data now accessible through V1 RPCs. #2015
    • Locked amount handling for UTXO swaps implemented. #2046
    • Conditional wait for maker payment confirmation was added before signing funding tx spend preimage on taker's side. #2046
    • active_swaps V2 RPC introduced. #2046
    • Handling accept_only_from for swap messages (validation of the sender) was implemented. #2046
    • swap_uuid for swap v2 messages was added to avoid reuse of the messages generated for other swaps. #2046
    • Maker payment immediate refund path handling was implemented. #2046
  • KMD Burn #2010
    • KMD dex fee burn for upgraded swaps was added. #2046
  • Hardware Wallet #964
    • Trezor now supports SegWit for withdrawals. #1984
    • Trezor support was added for EVM coins/tokens using task manager activation methods. #1962
    • Support for unsigned Tendermint transactions using Ledger's Keplr extension was added, excluding HTLC transactions and swap operations. #2148
  • NFT integration #900
    • A new clear_nft_db RPC for NFT data management was added. This enables selective (based on a chain) or complete NFT DB data clearance. #2039
    • NFT can now be enabled using enable_eth_with_tokens or enable_nft, similar to enable_erc20. #2049
    • NFT swaps V2 POC was shown, which includes a NFT maker payment test using the dockerized Geth dev node. #2084
    • komodo-defi-proxy support for NFT feature was added. #2100
    • Additional checks were added for malicious token_uri links. #2100
    • clear_all parameter in clear_nft_db RPC is now optional (default: false). #2100
  • WASM Worker
    • Improved environment detection to ensure the correct method is used for accessing the IndexedDB factory, accommodating both window and worker contexts. #1953, #2131
    • SharedWorker support was added, allowing any worker path in event_stream_configuration with a default to event_streaming_worker.js. #2080
  • Simple Maker Bot #1065
    • Maker bot was updated to support multiple price URLs. #2027
    • testcoin was added to provider options to allow testing the maker bot using test chains assets. #2161
  • IndexedDB
    • Cursor implementation was fixed, ensuring stable iteration over items. #2028
    • Advanced cursor filtering features were added, including limit, offset, and a fix for where_ condition/option. #2066
  • Swap Stats DB
    • stats_swaps table now includes GUI and MM2 version data used for a swap. #2061
  • P2P Layer
    • Added max_concurrent_connections to MM2 config to control the maximum number of concurrent connections for Gossipsub. #2063
  • ARRR/Pirate #927
    • ARRR/Pirate wallet and Dex operations now work in browser environments / WASM. #1957, #2077
    • Syncing and activation improvements were made, including stopping sync status after main sync and refining first_sync_block handling. #2089
  • EVM Transport
    • ETH websocket transport was introduced. komodo-defi-proxy signed messages were also supported for websocket transport. #2058
  • Tendermint integration #1432
    • Nucleus chain support was introduced as an alternative HTLC backend to Iris. #2079
    • Tendermint fee calculation was fixed to use get_receiver_trade_fee in platform coin. #2106
    • Pubkey-only mode for Tendermint protocol was introduced, allowing use of any external wallet for wallet and swap operations. #2088
    • ibc_withdraw RPC was removed, and withdraw was refactored to support IBC transfers by automatically finding IBC channels. #2088
    • Transaction history handling was enhanced to support base64 encoded transaction values for Cosmos-based networks, preventing missing transactions in the history table. #2133
    • The precision of max amount handling was improved for Tendermint withdraw operations by simulating the transaction and removing the estimated fee. #2155
    • Account sequence numbers are now resolved locally, incorrect sequence numbers from cached responses are also avoided. #2164
  • HD Wallet #1838
    • Full UTXO and EVM HD wallet functionalities were implemented. #1962
  • Swap watchers #1431
    • UTXO swaps were fixed to apply events that occurred while the taker was offline, such as maker spending or watcher refunding the taker payment. #2114
  • Fees Improvements #1848
    • EIP-1559 gas fee estimator and RPCs were added for ETH, including priority fee support for withdrawals and swaps, and improved gas limit for swap transactions. #2051
    • gas_limit parameter can be used in coins config to override default gas limit values. #2137
    • Default gas_limit values now ensure that Proxied ERC20 tokens have sufficient gas. #2137
  • Rust Toolchain #1972
    • Toolchain was upgraded to Rust toolchain version 1.72 nightly (nightly-2023-06-01). #2149
    • rust-analyzer was added into the workspace toolchain. #2179
  • CI Builds
    • MacOS builds for Apple Silicon are now provided through the CI pipeline. #2163
  • Miscellaneous
    • BCH block header deserialization was fixed to match BTC's handling of KAWPOW version headers. #2099
    • Implemented root application directory .kdf under $HOME to consolidate all runtime files, enhancing user experience by following standard UNIX practices. #2102
    • Memory usage was improved a bit through preallocation optimizations. #2098
    • Swaps and orders file handling was enhanced to use .tmp files to avoid concurrent reading/writing issues. #2118
    • UTXO P2PK balance is now shown as part of the P2PKH/Legacy address balance and can be spent in withdrawals and swaps. #2053
    • wallet-only restriction was removed from max_maker_vol RPC, enabling its use for wallet-only mode assets. #2153

NB - Backwards compatibility breaking changes:

  • Renamed mm2 binaries to kdf, while providing backward-compatible copies with mm2 naming; WASM binaries use kdf naming only, which is a breaking change. #2126

v2.0.0-beta - 2023-12-15

Features:

  • KMD Burn #2010
    • Burn 25% of taker fee when paid in KMD #2006.
  • Trading Protocol Upgrade #1895
    • Implement successful swaps v2 of UTXO to UTXO coins in #1958.
    • Add Swaps V2 message exchange using Protobuf in #1958.
    • Storing upgraded swaps data to SQLite DB was partially implemented in #1980.
    • Protocol enhancement for UTXO coins by adding one more funding tx for taker, which can be reclaimed immediately if maker back-outs was implemented in #1980.
  • Event Streaming #1901
    • Streaming channels using mpsc and SSE to send data to clients continuously was implemented in #1945.
    • NETWORK event was implemented to show this new functionality in #1945.
    • Wasm event streaming using workers was added in #1978.
    • COIN_BALANCE events for Tendermint Protocol were added in #1978.

Enhancements/Fixes:

  • Network Enhancements:
    • P2P layer now uses the latest stable libp2p version in #1878.
    • 7777 network was deprecated in #2020.
    • Seednodes for netid 8762 were updated in #2024.
    • libp2p-yamux now uses yamux v0.13 (new version) by default and fall back to yamux v0.12 (old version) when setting any configuration options in #2030.
    • The backpressure buffer cap was increased from 25 to 256 in #2030.
    • New protocol version (Version2) was used for peer exchange and request-response behaviours in #2030.
    • Network information is now written to stdout to find mm2 ports easily after #2034.
  • NFT integration #900
    • exclude_spam and exclude_phishing params were added for get_nft_list and get_nft_transfers RPCs in #1959.
    • nft_cache_db was added in NftCtx for non wasm targets in #1989.
    • AsyncConnection structure that can be used as async wrapper for sqlite connection was added in #1989.
    • async_sqlite_connection field was added to MmCtx in #1989.
    • Spam transfers with empty meta no longer update after #1989.
  • ARRR/Pirate:
    • ARRR infrastructure for lightwallet servers uses a fork of lightwalletd, the grpc service was renamed from cash.z.wallet.sdk.rpc to pirate.wallet.sdk.rpc to use the lightwalletd fork in #1963.
    • Previous blocks/wallet sync will be resumed if sync_params are not provided after restart in #1967.
  • Adex-CLI #1682
    • Exact dependency versions of hyper-rustls, rustls and other deps was set in #1956.
    • A warning was added on insecure cli configuration file mode in #1956.
  • Storable State Machine abstraction was added while having few changes to existing state machines in #1958.
  • EVM web3 requests timeout was reduced to 20s in #1973.
  • Fixed 0.0001 min threshold for TakerFee was removed in #1971.
  • The minimum trading volume for evm and tendermint was changed to be the smallest possible amount of the coin in #1971.
  • Minimum trading price is reduced to be any value above 0 in #1971.
  • Cryptocondition script type was added to utxo transactions in #1991.
  • On response error the next web3 node is tried in #1998.
  • Watchtower taker-side restart bug was fixed in #1908.
  • 'version' method was added to PUBLIC_METHODS that require no login in #2001.
  • rpcport value can now accept a string after #2026.
  • An additional PRICE_ENDPOINTS url which is a cached copy of https://prices.komodian.info/api/v2/tickers and is updated every minute was added in #2032.

NB - Backwards compatibility breaking changes:

  • 7777 Network deprecation and the upgrade to a new p2p layer breaks compatibility with previous versions of Komodo DeFi Framework. Connections between nodes/clients running an older version of Komodo DeFi Framework and nodes/clients running this latest version will not be possible. To avoid this, all nodes/clients must be upgraded to the latest version of Komodo DeFi Framework.
  • Because of KMD burn of a part of the taker fee, the taker fee outputs for any coin/KMD swap are changed and makers running older versions will not be able to validate the taker fee, this will cause the swap to fail. This case will never happen anyway because older versions will not be able to connect to this latest version due to the network upgrade.
  • Because of the removal of the fixed 0.0001 min threshold for TakerFee, taker fee validation will also fail for these cases. Again, this case will never happen as the previous case.

v1.0.7-beta - 2023-09-08

Features:

  • Trading Protocol Upgrade #1895
    • SwapOpsV2 trait was added containing methods of the new protocol (WIP) in #1927
    • SwapOpsV2 was implemented for UtxoStandardCoin in #1927
    • Dockerized integration tests added, sending and spending/refunding "dex fee + premium" UTXO in #1927
  • HD Wallet #1838
    • Global enabling of an account'/change/address_index path for all coins using hd_account_id config parameter was replaced by enable_hd which is a bool that defaults to false in #1933
    • path_to_address parameter was added to coins activation requests to set the default account'/change/address_index path that will be used for swaps. If not provided, the default will be 0'/0/0 in #1933
    • HD withdrawal from any account'/change/address_index path was implemented for UTXO, EVM and Tendermint coins in #1933
  • Pirate Integration #927
    • ARRR synchronization now supports using a specific start date. This allows users to specify a specific date as the starting point for synchronization as a substitute for the checkpoint block from config or syncing from the first block #1922

Enhancements/Fixes:

  • Adex-CLI #1682
    • The file permissions of the cli config file is now set to 660 in unix to disallow reading by other users #1913
    • Activation types have been introduced to prevent malicious substitution of them in the activation scheme file #1912
    • HTTPS connection support was added in #1910
    • Activation scheme was changed so the related data types were refactored to be fit for it in #1938
  • PoSV coins withdrawal issue was fixed. The issue was a missing n_time field in the generated transaction. The fix now correctly considers when n_time is required, and the rawtransaction can be broadcasted #1925
  • Latest relayer channel is now used for tendermint test #1929
  • Price urls were updated in #1928
  • NFT transactions that transfer multiple NFT tokens were fixed in db, log_index is now used as part of the transfers history table primary key #1926
  • State machine was refactored as a preparation step for StorableStateMachine pattern extension in #1927
  • A fix was introduced to use kmd rewards for fees if change + interest is below dust threshold in #1944
  • Debug info was removed from release binary to reduce the file size in #1954
  • Failing tests due to BCHD were ignored in #1955

v1.0.6-beta - 2023-07-24

Features:

  • Komodo DeFi Framework was introduced in #1903
    • The project/repo was renamed from AtomicDEX-API to Komodo-DeFi Framework
    • The readme file, logo, links, and some references in the documentation were updated to reflect the new name/brand
    • CI was updated to use the new name where it's needed.
  • Swap watcher nodes #1431
    • Using watcher nodes for swaps were enabled by default for UTXO coins in #1859
      • use_watchers configuration was set to true by default. It was later disabled in #1897 due to this issue #1887
      • All nodes doing a swap will broadcast a watcher message after the taker payment is sent if the swapped coins are supported by watchers (currently only UTXO). This was also disabled in #1897 due to this issue #1887
      • This update also fixes an issue that caused nodes to broadcast two consecutive watcher messages after the taker payment was sent.
  • NFT integration #900
    • Cache support was added for sqlite (non-wasm targets) in #1833
    • IndexedDb support for wasm was added in #1877
    • DB unit tests were added in #1877
    • Handling of bafy in IPFS Moralis links in a correct way was done in #1877
    • get_uri_meta function was added to optimize the retrieval of UriMeta from token_uri and metadata in #1877
    • protect_from_spam feature was added to redact URLs in specific fields and flag them as possible spam in #1877
    • Address is now used instead of string in NFT and transaction objects in #1914
    • guard: Arc<AsyncMutex<()>> from struct NftCtx is added to lock nft functions which uses db in #1914
    • IndexedDB Cursor collect method was used to fix uncaught Error in #1914
  • HTTPS support was added for the RPC server in #1861
  • Adex-CLI #1682
    • New commands enable, get-enabled, orderbook,sell, buy were added to adex-cli in #1768

Enhancements/Fixes:

  • Some RUSTSEC advisories where resolved in #1853
  • ARRR/ZCOIN code was refactored to be compiled in WebAssembly (WASM) in #1805
    • The PR for this paves the way for subsequent implementation of the empty/todo functions related to WASM storage and other functionalities.
  • Orderbook response now returns the right age for the age field, this was fixed in #1851
  • A bug that caused best_orders rpc to return is_mine: false for the user's orders was fixed in #1846
    • An optional parameter exclude_mine was also added to the best_orders request that allows users to exclude their own orders from the response.
    • exclude_mine defaults to false to maintain the same behaviour before the PR.
  • Watchtower integration tests were moved to the new ethereum testnet and the ignore attributes were removed in #1846
    • The PR also adds a new test case for watcher rewards.
    • It also fixes the unstable send_and_refund_eth_payment, send_and_refund_erc20_payment, test_nonce_lock and test_withdraw_and_send tests tests that were failing due to concurrency issues.
  • Infrastructure DNS rotation for default seednodes was done in #1868
  • Price endpoints were updated in #1869
  • A fix removed the passed config string from the error logs during mm2 initialization if there was a deserialization error was done in #1872
  • The time needed for CI completion was reduced by caching the downloaded dependencies in #1880
  • Label validation on PRs was added. This validation will only succeed if one of the following labels is used but not both: under review or in progress #1881
  • orderbook mod of adex-cli was refactored by moving it from the internal response_handler to its appropriate folder, enhancing code organization and clarity in #1879
  • A bug was fixed for adex-cli to allow starting if configuration does not exist in #1889
  • IBC and standard withdrawals for Cosmos now allow users to specify the gas price and gas limit for each transaction #1894
  • A fix was introduced to adex-cli to allow starting mm2 from cli under regular user in macOS #1856
  • The repo logo was updated to be visible in GitHub light theme in #1904
  • A CI job was added to check if mm2 version was bumped before merging any pull request to main in #1899
  • All CI tests now run with the --no-fail-fast flag, allowing other tests to proceed despite any failures #1907
  • Index out of bounds errors in the tx_details_by_hash functions was fixed in #1915
  • Adex-CLI test_activation_scheme was fixed by removing the old file in #1920

v1.0.5-beta - 2023-06-08

Features:

  • NFT integration #900
    • UriMeta was added to get info from token uri, status and metadata in nft tx history #1823

Enhancements/Fixes:

  • Deprecated wasm-timer dependency was removed from mm2 tree #1836
  • log, getrandom and wasm-bindgen dependencies were updated to more recent versions that are inline with the latest libp2p upstream #1837
  • A CI lint pipeline was added that validates pull request titles to ensure that they comply with the conventional commit specifications #1839
  • KMD AUR were reduced from 5% to 0.01% starting at nS7HardforkHeight to comply with KIP-0001 #1841

v1.0.4-beta - 2023-05-23

Features:

  • NFT integration #900
    • Proxy support was added #1775

Enhancements/Fixes:

  • Some enhancements were done for enable_bch_with_tokens,enable_eth_with_tokens,enable_tendermint_with_assets RPCs in #1762
    • A new parameter get_balances was added to the above methods requests, when this parameter is set to false, balances will not be returned in the response. The default value for this parameter is true to ensure backward compatibility.
    • Token balances requests are now performed concurrently for the above methods.
  • Swap watcher nodes #1750
    • PoC for ETH/UTXO and ERC20/UTXO swaps with rewards
    • Improved protocol to let only the taker pay the reward
  • Add passive parent coin state for keeping tokens active when platform is disabled #1763
  • Optimize release compilation profile for mm2 #1821
  • CI flows for adex-cli added #1818
  • Detect a chain reorganization, if it occurs, redownload and revalidate the new best chain headers for SPV #1728
  • Fix moralis request in wasm target, add moralis tests #1817
  • PoSV support for UTXO coins was added in #1815
  • Use a new testnet for ETH tests, reduce the amount of ETH and ERC20 tokens exchanged, use fixed addresses instead of one-time use random addresses, fix some existing bugs (#1828)

v1.0.3-beta - 2023-04-28

Features:

Enhancements/Fixes:

  • cosmos/iris ethermint account compatibility implemented #1765
  • p2p stack is improved #1755
    • Validate topics if they are mixed or not.
    • Do early return if the message data is not valid (since no point to iterate over and over on the invalid message)
    • Break the loop right after processing any of SWAP_PREFIX, WATCHER_PREFIX, TX_HELPER_PREFIX topic.
  • An issue was fixed where we don't have to wait for all EVM nodes to sync the latest account nonce #1757
  • optimized dev and release compilation profiles and removed ci #1759
  • fix receiver trade fee for cosmos swaps #1767
  • All features were enabled to be checked under x86-64 code lint CI step with --all-features option #1760
  • use OS generated secrets for cryptographically secure randomness in maker_swap and tendermint_coin::get_sender_trade_fee_for_denom #1753

v1.0.2-beta - 2023-04-11

Features:

  • adex-cli command line utility was introduced that supplies commands: init, start, stop, status #1729

Enhancements/Fixes:

  • CI/CD workflow logics are improved #1736
  • Project root is simplified/refactored #1738
  • Created base image to provide more glibc compatible pre-built binaries for linux #1741
  • Set default log level as "info" #1747
  • Refactor native_log module #1751
    • implement stdout/err streaming to persistent file without dependencies
    • Add new parameter silent_console to mm conf

v1.0.1-beta - 2023-03-17

Features:

  • NFT integration WIP #900
    • NFT integration PoC added. Includes ERC721 support for ETH and BSC #1652
    • Withdraw ERC1155 and EVM based chains support added for NFT PoC #1704
  • Swap watcher nodes #1431
    • Watcher rewards for ETH swaps were added #1658
  • Cosmos integration WIP #1432
    • ibc_withdraw, ibc_chains and ibc_transfer_channels RPC methods were added #1636
  • Lightning integration WIP #1045
    • rust-lightning was updated to v0.0.113 in #1655
    • Channel current_confirmations and required_confirmations were added to channel details RPCs in #1655
    • Uuid is now used for internal channel id instead of u64 #1655
    • Some unit tests were added for multi path payments in #1655
    • Some unit tests for claiming swaps on-chain for closed channels were added in #1655, these unit tests are currently failing.
    • protocol_info fields are now used to check if a lightning order can be matched or not in #1655
    • 2 issues discovered while executing a KMD/LNBTC swap were fixed in #1655, these issues were:
      • When electrums were down, if a channel was closed, the channel closing transaction wasn't broadcasted. A check for a network error to rebroadcast the tx after a delay was added.
      • If an invoice payment failed, retring paying the same invoice would cause the payment to not be updated to successful in the DB even if it were successful. A method to update the payment in the DB was added to fix this.
    • mm2_git crate was added to provide an abstraction layer on Git for doing query/parse operations over the repositories #1636

Enhancements/Fixes:

  • Use env_logger to achieve flexible log filtering #1725
  • IndexedDB Cursor can now iterate over the items step-by-step #1678
  • Uuid lib was update from v0.7.4 to v1.2.2 in #1655
  • A bug was fixed in #1706 where EVM swap transactions were failing if sent before the approval transaction confirmation.
  • Tendermint account sequence problem due to running multiple instances were fixed in #1694
  • Maker/taker pubkeys were added to new columns in stats_swaps table in #1665 and #1717
  • Get rid of unnecessary / old dependencies: crossterm, crossterm_winapi, mio 0.7.13, miow, ntapi, signal-hook, signal-hook-mio in #1710
  • A bug that caused EVM swap payments validation to fail because the tx was not available yet in the RPC node when calling eth_getTransactionByHash was fixed in #1716. eth_getTransactionByHash in now retried in wait_for_confirmations until tx is found in the RPC node, this makes sure that the transaction is returned from eth_getTransactionByHash later when validating.
  • CI/CD migrated from Azure to Github runners #1699
  • CI tests are much stabilized #1699
  • Integration and unit tests are seperated on CI stack #1699
  • Codebase is updated in linting rules at wasm and test stack #1699
  • crossbeam bumped to 0.8 from 0.7 #1699
  • Un-used/Unstable parts of mm2 excluded from build outputs which avoids mm2 runtime from potential UB #1699
  • Build time optimizations applied such as sharing generics instead of duplicating them in binary (which reduces output sizes) #1699
  • RUSTSEC-2020-0036, RUSTSEC-2021-0139 and RUSTSEC-2023-0018 resolved #1699
  • Enabled linting checks for wasm and test stack on CI #1699
  • Release container base image updated to debian stable from ubuntu bionic #1699
  • Fix dylib linking error of rusb #1699
  • OperationFailure::Other error was expanded. New error variants were matched with HwRpcError, so error type will be HwError, not InternalError #1719
  • RPC calls for evm chains was reduced in wait_for_confirmations function in #1724
  • A possible endless loop in evm wait_for_htlc_tx_spend was fixed in #1724
  • Wait time for taker fee validation was increased from 30 to 60 seconds in #1730 to give the fee tx more time to appear in most nodes mempools.

v1.0.0-beta - 2023-03-08

Features:

  • ARRR integration #927:
    • Zcoin native mode support was added #1438
    • Multi lightwalletd servers support was added #1472
    • Allow passing Zcash params file path to activation request #1538
    • Checksum verification of Zcash params files was added #1549
  • Tendermint integration #1432
    • Tendermint HTLC implementation #1454
    • Tendermint swap support (POC level) #1468
    • Complete tendermint support for swaps and tx history implementation #1526
    • Improve rpc client rotation of tendermint #1675
  • HD Wallet #740
    • Implement Global HD account activation mode #1512
    • mm2_rmd160 property was removed from the HD account table. Now, either Iguana or an HD account share the same HD account records #1672
  • Hardware Wallet #964
    • Implement TX history V2 for UTXO coins activated with a Hardware wallet #1467
    • Fix KMD withdraw with Trezor #1628
    • task::get_new_address::* RPCs were added to replace the legacy get_new_address RPC #1672
    • trezor_connection_status RPC was added to allow the GUI to poll the Trezor connection status #1672
  • Simple Payment Verification #1612
    • Implement unit test for Block header UTXO Loop #1519
    • SPV with minimal storage requirements and fast block headers sync time was implemented #1585
    • Block headers storage was implemented for IndexedDB #1644
    • SPV was re-enabled in WASM #1644
  • New RPCs
    • gui-auth and enable_eth_with_tokens enable_erc20 RPCs were added #1335
    • get_current_mtp RPC was added #1340
    • max_maker_vol RPC was added #1618
  • Lightning integration WIP #1045
    • rust-lightning was updated to v0.0.110 in #1452
    • Inbound channels details was added to SQL channels history in #1339
    • Blocking was fixed for sync rust-lightning functions that calls other I/O functions or that has mutexes that can be held for some time in #1452
    • Default fees are retrieved from rpc instead of config when starting lightning #1452
    • 0 confirmations channels feature was added in #1452
    • An update_channel RPC was added that updates a channel that is open without closing it in #1452
    • Lightning RPCs now use the lightning:: namespace in #1497
    • TakerFee and MakerPayment swap messages were modified to include payment instructions for the other side, in the case of lightning this payment instructions is a lightning invoice #1497
    • MakerPaymentInstructionsReceived/TakerPaymentInstructionsReceived events are added to MakerSwapEvent/TakerSwapEvent in #1497, for more info check this comment
    • Lightning swaps were implemented in #1497, #1557
    • Lightning swap refunds were implemented in #1592
    • MakerPaymentRefundStarted, TakerPaymentRefundStarted, MakerPaymentRefundFinished, TakerPaymentRefundFinished events were added to swap error events in #1592, for more info check this comment
    • Enabling lightning now uses the task manager #1513
    • Disabling lightning coin or calling stop RPC now drops the BackgroundProcessor which persists the latest network graph and scorer to disk #1513, #1490
    • avg_blocktime from platform/utxo coin is used for l2/lightning estimating of the number of blocks swap payments are locked for #1606
  • MetaMask WIP #1167
    • Login with a MetaMask wallet #1551
    • Check if corresponding ETH chain is known by MetaMask wallet on coin activation using wallet_switchEthereumChain #1674
    • Refactor ETH/ERC20 withdraw taking into account that the only way to sign a transaction is to send it using eth_sendTransaction #1674
    • Extract address's public key using eth_singTypedDataV4 #1674
    • Perform swaps with coins activated with MetaMask #1674

Enhancements/Fixes:

  • Update rust-web3 crate #1674
  • Custom enum from stringify derive macro to derive From implementations for enums #1502
  • Validate that input_tx is calling 'receiverSpend' in eth::extract_secret #1596
  • Validate all Swap parameters at the Negotiation stage #1475
  • created safe number type castings #1517
  • Improve stop functionality #1490
  • A possible seednode p2p thread panicking attack due to GetKnownPeers msg was fixed in #1445
  • NAV cold_staking script type was added to fix a problem in NAV tx history in #1466
  • SPV was temporarily disabled in WASM in #1479
  • BTC-segwit swap locktimes was fixed in #1548 by using orderbook ticker instead of ticker in swap locktimes calculations.
  • BTC block headers deserialization was fixed for version 4 and KAWPOW_VERSION in #1452
  • Error messages for failing swaps due to a time difference between maker and taker are now more informative after #1677
  • Fix LBC block header deserialization bug #1343
  • Fix NMC block header deserialization bug #1409
  • Refactor mm2 error handling for some structures #1444
  • Tx wait for confirmation timeout fix #1446
  • Retry tx wait confirmation if not on chain #1474
  • Fix electrum "response is too large (over 2M bytes)" error for block header download #1506
  • Deactivate tokens with platform coin #1525
  • Enhanced logging in spv and rpc_client mods #1594
  • Update metrics related dep && refactoring #1312
  • Fix rick and morty genesis block deserialization #1647
  • In librustzcash bumped bech32 to 0.9.1(which we already have in mm2, so we will not have 2 versions of bech32)
  • Use dev branch as a target branch for Dependabot #1424
  • Fixed Zhtlc orders is_mine bug (orders had "is_mine":false) #1489
  • Grouped SwapOps method arguments into new groups(structures) #1529
  • Handling multiple rpcs optimization #1480
    • Tendermint multiple rpcs optimization #1568
    • Multiple rpcs optimization for z_rpc and http_transport #1653
    • Refactor p2p message processing flow (related with one of the security problem) #1436
  • Solana tests are disabled #1660
  • Some of vulnerable dependencies(tokio, libp2p) are fixed #1666
  • Add mm2_stop WASM FFI #1628
  • Use futures_timer crate and fix some unstable tests #1511
  • Fix Timer::sleep_ms in WASM #1514
  • Fix a race condition in AbortableQueue #1528
  • Spawn process_json_request so the RPC requests can be processed asynchronously #1620
  • Fix task::-::cancel if the RPC task is an awaiting status #1582
  • disable_coin should fail if there are tokens dependent on the platform #1651
  • Implement a repeatable future #1564
  • Version handling was enhanced #1686
    • Version of mm2_bin_lib from cargo manifest is now used for the API version
    • --version, -v, version arguments now print the mm2 version
  • Workflow for VirusTotal results was added to CI #1676
  • parity-ethereum and testcontainers-rs crates from KomodoPlatform repo are now used #1690
  • Testnet node of atom was updated, RUSTSEC-2023-0018 was ignored #1692
  • Timestamp value sent from the peer in PubkeyKeepAlive msg was ignored and the received timestamp was used instead #1668
  • Change release branch from mm2.1 to main in CI #1697
  • CHANGELOG.md was introduced to have a complete log of code changes #1680
  • Small fixes #1518, #1515, #1550, #1657

NB - Backwards compatibility breaking changes:

  • Because of #1548, old nodes will not be able to swap BTC segwit with new nodes since locktimes are exchanged and validated in the negotiation messages.