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Change Log

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog and this project adheres to Semantic Versioning.

Unreleased - ReleaseDate

0.15.0 - 2022-03-08

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] (ergoplatform#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;

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] (ergoplatform#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;

0.13.3 - 2021-06-11

Added

  • Implement CalcSha256 op for byte arrays #303;

Fixes

  • Parsing of UnsignedTransaction from JSON #304;

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;

0.13.1 - 2021-05-28

Fixed

  • Fix VQL encoding/decoding for signed ints in ranges i32::MIN..-1073741825 and 1073741824..i32::MAX #263;

0.13.0 - 2021-05-26

Added

  • add ErgoTree::template_bytes #274;

Changed

  • encode/decode UnsignedTransaction without id and using ErgoBoxCandidate for outputs instead of ErgoBox #275;

0.12.0 - 2021-05-20

Added

  • add Transaction::outputs() returning ErgoBoxes #267;

Changed

  • rename Transaction::outputs() and UnsignedTransaction::outputs() to output_candidates() in WASM (both return ErgoBoxCandidates) #267;

Fixed

  • fix input box lookup on tx signing#268;

0.11.0 - 2021-05-19

Added

  • ByteArrayToLong ByteArrayToBigInt LongToByteArray IR nodes #244;
  • ErgoTree::constants_len, get_constant, set_constant API for accessing the constants list in ErgoTree #261;

0.10.0 - 2021-04-22

Added

  • Add MinerPubKey and Global as global variables #232;
  • Implement parser and evaluator for DH tuple #233;
  • Add method descriptions for SContext (serialization) #235
  • Implement GetVar #236
  • Implement Atleast IR node (serialization) #237
  • Implementation of Deserialize{Context,Register} (serialization) #239
  • WASM: fix DataInput construction, ErgoStateContext construction from parsed JSON block headers #238

Changed

  • Explicitly handle errors in SMethod::from_ids & and PropertyCall deserialization #231;
  • Fix flatmap method & GET_VAR opcode #234;

0.9.0 - 2021-04-09

Added

  • Coll.indexOf, flatMap, forall IR nodes (evaluation, serialization) #220;
  • Complete types serialization implementation #223;
  • Tuple constructor evaluation and serialization #223;
  • Type unification (SMethod specialization) #225;
  • SigmaAnd, SigmaOr serialization #225;
  • Contract::ergo_tree() in WASM API;
  • decodePoint IR node (evaluation and serialization) #227;

0.8.0 - 2021-03-22

Added

  • proveDlog, box.creationInfo, Box.id, Coll.exists, SigmaProp.propBytes, Option.isDefined, Option.getOrElse IR nodes (evaluation, serialization) #209;
  • Box.R0..R3 register access #213;
  • - negation for numeric types evaluation and serialization #214;
  • BigInt values support, arithmetic operations (+, -, *, /), - negation, Upcast #216;

0.7.0 - 2021-03-03

Added

  • ErgoScript compiler pipeline draft (ergoscript-compiler crate) and added a feature(default) "compiler" in ergo-lib with compiler exposed via Contract::compile(source);
  • ErgoTree:to_base16_bytes() returns Base16-encoded serialized bytes;

Changed

  • Extract Ergotree IR with serialization from ergo-lib crate into ergotree-ir crate;
  • Extract ErgoTree IR interpreter from ergo-lib crate into ergotree-interpreter crate;

0.5.1 - 2021-02-17

Added

  • Explorer v1 API support for box register parsing #197;

0.5.0 - 2021-02-04

Added

  • CalcBlake2b256 IR node evaluation and serialization #179;
  • Arith ops (+, -, *, /) IR node evaluation and serialization #181;
  • Comparison ops (>, >=, <, <=) IR node evaluation and serialization #182;
  • AND, Collection (collection declaration), BinAnd IR nodes evaluation and serialization #183;
  • Or, BinOr IR nodes evaluation and serialization #184;
  • LogicalNot IR nodes evaluation and serialization #185;
  • Map, Filter IR nodes evaluation and serialization #186;
  • BoolToSigmaProp, If, Min, Max IR nodes evaluation and serialization #187;
  • ByIndex, Box.tokens IR nodes evaluation and serialization #188;

0.4.4 - 2021-01-20

Added

  • BlockValue, ValDef, ValUse, FuncValue, Apply IR nodes evaluation and serialization #171;
  • SimpleBoxSelector: sort inputs by target tokens and skip inputs that does not have target tokens #175;
  • Fold(collection), ExtractAmount(Box.value), SelectField(tuple field access) IR nodes evaluation and serialization #173

0.4.3 - 2021-01-15

Added

  • SType::STuple() and Value::Tup() types to store tuples. Implemented serialization, conversion between Rust types and Constant(Value, SType) #166;
  • EQ(==), NEQ(!=) implementation #166;

0.4.2 - 2020-12-21

Added

  • Interpreter: Box.Rx properties (get register value), OptionGet #163;
  • Interpreter: added global vars (INPUTS, OUTPUTS, SELF, HEIGHT), Context properties (dataInputs) #155;
  • Explorer API v1 format parsing for box.additionalRegisters #161;

0.4.1 - 2020-11-19

Added

  • Support for parsing ErgoBox transaction id from txId JSON field name;

0.4.0 - 2020-11-19

Added

  • Support for parsing ErgoBox id also from "id" JSON field name #134
  • Address::p2pk_from_pk_bytes to make an Address from serialized PK #136
  • Address::from_str to parse an Address without checking the network prefix #136
  • Address::recreate_from_ergo_tree to re-create the address from ErgoTree (built from the address) #146
  • NetworkAddress to store Address + NetworkPrefix #146

Changed

  • Move and changed visibility of various modules(input, data_input, prover_result, etc.) #135
  • Add Context parameter to Prover::prove, Verifier::verify #139
  • Move all transaction-related parameters into TransactionContext parameter in Wallet::sign_transaction #139
  • Move Constant export from crate root to constant module (ast::constant) and made eval module private #142
  • Make SType public #142

0.3.0 - 2020-11-04

Added

  • Add value extraction API for Constant (e.g i64::try_extract_from(constant)) #111.
  • Implement From for DataInput #113.
  • Add data inputs to TxBuilder #115.
  • Read/Write register values in ErgoBox, ErgoBoxCandidate #116.
  • Add tokens support in TxBuilder and ErgoBoxCandidateBuilder #118.
  • Implement JSON encoding/decoding for UnsignedTransaction #123.
  • Add TxBuilder::estimate_tx_size_bytes() to get estimated serialized transaction size in bytes after signing (assuming P2PK box spending); tx_builder::SUGGESTED_TX_FEE constant with "default" current tx fee used lately (1100000 nanoERGs); #128.
  • Add checks when minting token for minting token exclusivity and registers overwrite #129.
  • Add transaction validity checks in TxBuilder #130.
  • Use TokenAmount instead of u64 in sum_tokens*() #130.
  • Add TokenAmount::checked*() ops #130.
  • Add I64::as_num() in WASM bindings #130

Changed

  • box_id, box_value and register modules made private in ergo_box module and all types are re-exported from ergo_box module itself #131.

0.2.0 - 2020-10-06

Added

  • Binary serialization;
  • JSON serialization;
  • Box, Transaction building;
  • Transaction signing (P2PK only);
  • ErgoTree constant values conversion.