v0.20.0

[0.20.0] - 2022-09-07

Changed

• increase max tokens allowed in a box to 122 #616;

Added

• Transaction::verify_p2pk_input for P2PK inputs verification #613;
• Constant::to_js and from_js arbitrary JS type to Constant conversion 614;
• add IP v6 support in PeerAddr::as_http_url #617;

v0.19.0

[0.19.0] - 2022-08-08

Changed (BREAKING)

• only allow explicit token burning in TxBuilder and add token preservation check #603;
• remove min_value_change parameter in TxBuilder::new and add coin preservation check #605;

Changed

• fix distributed signing in case a script reduces to true #609;
• fix AtLeast handling in the prover #598;
• improve error messages for constant value parsing from JSON (box registers) #600.

v0.18.0

[0.18.0] - 2022-07-14

Added

• add Address::content_bytes() in Wasm API #582;

Changed

• fix peer_discovery() in Chrome #584;
• fix accidental token burn in change box in box selection process #591

v0.17.0

[0.17.0] - 2022-06-04

Added

• Swift bindings for MnemonicGenerator #573;
• JSON encoding for TransactionHintsBag type hierarchy #577;

Changed

• eliminate TransactionContext::get_boxes_to_spend() and introduce TransactionContext::get_input_box(box_id: BoxId) -> Option<ErgoBox> #574;
• move Header type from ergotree-ir to ergo-chain-types #572;
• fix JSON encoding for no tokens (empty array); #578;

v0.16.1

[0.16.1] - 2022-05-04

Changed

• Convert vendored dependencies of ergo-rest into sub-modules #571;

v0.16.0

[0.16.0] - 2022-04-29

Changed

• REST API implementation is hidden behind the rest feature flag #554;

Added

• arbitrary message signing and verification #553;
• PoPowHeader type #551;
• TokenId::from_base64 #555;
• Constant to/from TokenId(Digest32) conversion #557;
• TxBuilder::set_context_extension to set a ContextExtension for a given input #560;
• Serialization for NipopowProof #562;
• WASM/swift bindings for message signing/verifying #564;
• Add SUnit variant of SType #566;
• Node discovery via node's REST API #558;
• Add BatchMerkleProof + PoPow Interlink vector verification #538;
• add ErgoBox::tx_id() and index() in Wasm API #561;

v0.15.0

Changed

• Construct ErgoStateContext using last block headers #450;

Added

• AvlTree.remove #436;
• AvlTree.update #443;
• ReducedTransaction implementation according to EIP-19 #442
• AvlTree.get and AvlTree.getMany #445;
• AvlTree.contains [#437] (#437);
• LastBlockUtxoRootHash #452;
• ExtPubKey and DerivationPath with BIP-32,44 and soft derivation support for Ledger #448;
• Modulo binary op #460;
• treeLookup predefined function #459;
• createAvlTree predefined function #466;
• ScorexSerializable, serialization framework of the ergo node #485;
• Wallet::from_mnemonic #492;
• Peer management for p2p networking #493;
• C/Swift(iOS, macOS) bindings for ergo-lib #468;
• wallet extended secret key derivation #498;
• transaction serialization in Wasm API 506;
• support for (Int, Int), Coll[Coll[Byte]], Coll[Int] and BigInt types in constant conversion in Wasm API;
• mnemonic generation #505;
• arithmetic operations and polynomial interpolation over Galois fields GF(2^192) #496;
• Merkle tree support #521;
• NiPoPoW proof verification #517;
• distributed signatures support #470;

Fixed

• fix elem_tpe in Append and Slice evaluation #455
• fix CollKind::elem_tpe #457;
• fix a bug with self box lookup in TransactionContext and added checks for box resolution in tx inputs and data_inputs #462;
• audit and remove unwraps and panics in ergo-lib #467;
• fix missing ContextExtenion support #458;
• make BoxSelection::boxes of non-empty type #471;
• check for allowed ops in Coll.flatMap lambda #472;
• missing SGlobal.xor, groupGenerator method eval #523;

v0.14.0

[0.14.0] - 2021-10-07

Added

• Header properties #433;
• PreHeader properties #435;
• AvlTree properties #432;
• AvlTree.insert #413;
• SubstConstants #410;
• Box.bytesWithoutRef #409;
• Downcast #408;
• Address::P2SH support #407;
• Context.selfBoxIndex #405;
• Ensure JSON parsing for explorer API #398;
• Box.bytes #390;
• add (Coll[Byte], Coll[Byte]) and (Long, Long) support for Constant conversion in JS #386;
• add ErgoBox::serialized_additional_registers() in Wasm #387;
• add Transaction::from_unsigned_tx() to construct from unsigned tx + proofs #387;
• extract distinct token ids on tx serialization and expose as UnsignedTransaction::distinct_token_ids() in Wasm #387;
• add to_bytes() for BoxValue and TokenAmount in Wasm #387;
• Constant::sigma_serialize_bytes(), ContextExtension::sigma_serialize_bytes() in Wasm #387;
• TokenId::as_bytes() and BoxId::as_bytes() in Wasm #387;
• add (Coll[Byte], Coll[Byte]) and (Long, Long) support for Constant conversion in JS #386;
• Serialization for SigmaBoolean types #341;
• Diffie-Hellman tuples support in sigma protocol #315;
• Coll.zip #350;
• BigInt256 256-bit BigInt #325;
• Logical XOR #349;
• groupGenerator global variable #340;
• GroupElement.getEncoded method for GroupElement #335;
• Negate IR node for GroupElement #334;
• Exponentiate IR node for GroupElement #321;
• WASM to_js_eip12() (along to_json()) that encodes JSON according to EIP-12 (similar to JSON by to_json(), but box value and token amount encodes as strings to avoid accuracy loss in JS) #346;
• Coll.slice #309;
• Byte-wise XOR for byte arrays #310;
• Constant::from_i64_str_array and to_i64_str_array for Coll[Long] encoding #311;
• Coll.append #308;
• MultiplyGroup IR node for GroupElement #316;
• SubstConst IR node and serialization [#318] (#318);
• Better Debug print for EC point #319;
• Constant::from_ecpoint_bytes to Wasm API #324;
• Constant::to/from_ergo_boxto Wasm API #397;

Changed(BREAKING!):

• WASM to_json() returns string (instead of JsValue) to avoid silent accuracy loss on JS object -> text conversion on JS side #346;
• SigmaSerializable:sigma_serialize_bytes made failible (returns Result) #328;
• ErgoBox::new, from_box_candidate made failible (returns Result) #328;
• ErgoTree::new, template_bytes, to_base16_bytes made failible (returns Result) #328;
• Transaction::new made failible (returns Result) #328;
• WASM ErgoBox::new, byte_to_sign made failible (returns Result) #328;
• WASM ErgoTree::to_bytes, to_base16_bytes made failible (returns Result) #328;
• ErgoTree::to_bytes() renamed to ErgoTree::sigma_serialize_bytes() in Wasm #387;
• ErgoBox and other types that it uses moved to ergotree_ir crate and re-exported in ergo_lib::ergotree_ir #397;

Changed

• Switched to ThreadRng CSPRNG for source of randomness in sigma protocol #315;
• SigmaSerializable:sigma_serialize errors are extended beyond io::Error #328;
• ergotree-ir::mir::constant::constant_placeholder module is public;
• ErgoTree::set_constant is removed in favor of ErgoTree::with_constant with an added check for matching constant type#323;
• Eliminate and ban panics (unwrap, panic!, todo!, etc) in sigma-ser, ergotree-ir and ergotree-interpreter crates #328, #344;

v0.13.3

[0.13.3] - 2021-06-11

Added

• Implement CalcSha256 op for byte arrays #303;

Fixes

• Parsing of UnsignedTransaction from JSON #304;

v0.13.2

[0.13.2] - 2021-06-09

Added

• AND, OR conjecture support in sigma protocol #226;
• Support for ErgoTree header v1 with tree size #281;
• Add support for explorer v1 JSON format parsing for BlockHeader::votes #285;
• Add bitwise binary operators (&|^) #290;

Changed

• make ergotree_ir::serialization::constant_store module public;
• Peekable trait is removed in sigma_ser crate #284;

Fixed

• change MINER_PUBKEY type to Coll[Byte] #291;
• Make BigInt arithmetic ops check for 256-bit overflow #294;
• Fix numeric negation to give an error on overflow #294;