CHANGELOG.md

0.5.18 (2020-03-05)

BancorConverterRegistry

• Reverted the signature change of getLiquidityPoolByReserveConfig (logic is still intact)

0.5.16 (2020-03-05)

BancorConverter

• Removed Manager permission/code
• totalReserveRatio is now public

BancorConverterRegistry

• Fixed a bug with identifying converters with similar configurations

0.5.15 (2020-01-23)

EtherToken

• Name & symbol are now constructor args

0.5.14 (2020-01-21)

BancorNetwork

• Removed signature/gas price limit logic

BancorConverter

• Removed the converterType variable

BancorConverterUpgrader

• Removed legacy converter (0.4) support

BancorFormula

• Increased liquidation cost precision

EtherToken

• Added depositTo function for direct depositing to another account for gas optimization

0.5.13 (2020-01-09)

BancorNetwork

• Added a new Conversion event that gets emitted for any conversion in the network

BancorConverter

• Owners cannot disable conversions anymore
• Owners cannot disable conversions from specific reserves anymore
• Removed the virtual balance mechanism

0.5.12 (2019-12-19)

General

• Better handling for non standard ERC20 tokens's transfer function (removed NonStandardTokenRegistry contract, gas optimization)

BancorConverterRegistry

• Fixed an issue that allowed adding duplicate pools to the registry in certain situations

0.5.11 (2019-12-17)

General

• Added the BancorNetworkPathFinder contract, now compatible with the new converter registry contract

BancorConverter

• Added a dedicated getReserveRatio function

BancorConverterRegistry

• Now enforces only a single liquidity pool for each reserve configuration
• Disabled converters are now considered invalid (can be removed by anyone)
• Added a utility function that returns a list of converters for a given list of smart tokens

0.5.8-10 (2019-12-12)

General

• Minor cleanups

0.5.7 (2019-12-12)

General:

• Added ContractRegistryClient contract for common contract registry behavior and cleaner access, and updated all registry clients

BancorConverterRegistry:

• Full redesign - it now allows iterating over different primitives in the network and does not require re-adding converters after a converter upgrade

BancorConverter:

• Added support for fund/liquidate in non 50%/50% reserves converters

BancorFormula:

• Added calculations for fund/liquidate in non 50%/50% reserves

0.5.6 (2019-11-18)

BancorConverter:

• Updated the virtual balances mechanism - it now scales all reserve balances by the same factor and is only relevant to cross reserve conversions

0.5.5 (2019-11-05)

BancorNetwork:

• Added affiliate fee support in xConvert & xConvertPrioritized

SmartTokenController:

• Removed the disableTokenTransfers function

0.5.4 (2019-11-03)

General:

• Added a testnet/private chain deployment script/migration
• Updated the readme file with more tutorials on the various scripts

ERC20Token:

• Cleaned up construction, added the total supply as a constructor arg

0.5.3 (2019-10-22)

General:

• Cleaned up all compilation warnings

BancorConverter:

• Added a protection against activation with no token supply

0.5.2 (2019-10-07)

BancorConverterRegistry

• Added events when adding/removing tokens
• Removing the last converter of a token will now also remove the token from the list of tokens

0.5.1 (2019-10-07)

General:

• Added the BancorNetworkPathFinder contract

BancorConverterFactory

• Added utility function latestConverterAddress to return the latest converter for a given token
• Removing the last converter for a token will now also remove the token from the list of tokens

0.5.0 (2019-09-25)

General:

• Terminology changes (Connector -> Reserve, Weight -> Ratio)
• Compiler upgraded to 0.4.26
• Truffle upgraded to 4.1.16

0.4.12 (2019-09-01)

General:

• Fixed line breaks in documentation

0.4.11 (2019-08-29)

BancorNetwork:

• Added support for affilate fee

BancorConverter:

• Minor cleanups / bug fixes

0.4.10 (2019-08-21)

BancorX:

• Added support for any ERC20/Smart token (was previously BNT specific)

0.4.9 (2019-08-18)

Converters:

• Fixed a rounding error in the fund function

0.4.8 (2019-07-20)

General:

• Added support for auto generation of documentation
• Updated contract documentation
• Cleaned up tests

Network:

• Fixed an issue that caused getReturnByPath to fail if the path contained old converters

0.4.7 (2019-05-11)

• added the ConverterRegistry contract

0.4.6 (2019-01-29)

General:

• Added support for non standard ERC-20 tokens
• Added NonStandardTokenRegistry contract to support non standard ERC-20 tokens

Network:

• Removed convertForMultiple

0.4.5 (2019-01-23)

General:

• Minor cleanups / bug fixes
• Moved to SafeMath

Converters:

• Added completeXConversion function to convert from BNT to another token by providing an id rather than amount
• Changed the version from bytes32 to uint16
• quickConvert and quickConvertPrioritized now call convertForPrioritized3 in the BancorNetwork contract
• Renamed isPurchaseEnabled to isSaleEnabled in connector token struct, and validated that sales are enabled for the fromConnector rather than the toConnector in the conversion functions

Network:

• verifyTrustedSender function argument amount renamed to customVal
• Added xConvert and xConvertPrioritized functions which converts any token to BNT and transfers the result to BancorX
• Added validateXConversion function to get around the 16 variable function limit in the xConvert function
• Added convertForPrioritized3 with backwards compatibility to now receive a custom value along with the amount for verifying trusted senders

0.4.4 (2018-06-23)

General:

• Minor cleanups / bug fixes
• Upgraded compiler version to 0.4.24

Converters:

• Replaced the setRegistry function with updateRegistry function
• Removed quickBuyPath from converter
• getReturn now returns the fee as a separate return value
• Converter owner can no longer withdraw connector tokens while the converter is active
• Converter owner can no longer transfer the token ownership once the converter is active
• Added a dedicated upgrade function for easier upgrades
• Added a fund function for increasing liquidity atomically
• Added a liquidate function for decreasing liquidity atomically even when conversions are disabled

Registry:

• Fixed item removal

0.4.3 (2018-06-23)

General:

• Upgraded compiler version to 0.4.23
• Updated all contracts to make use of the new constructor keyword
• Removed more local contract dependencies and replaced them with querying the registry

Utilities:

• ContractRegistry - added support for querying the number of items/contract names in the registry

0.4.2 (2018-06-10)

General:

• Added more predefined contract ids

Bug fixes:

• Fixed a crash in BancorConverterUpgrader when trying to upgrade converters with virtual connector balance

0.4.1 (2018-06-07)

Bug fixes:

• Fixed BancorNetwork contract backward compatibility with older converters

0.4.0 (2018-06-06)

General:

• Restructured contract folders
• Upgraded compiler version to 0.4.21
• Replaced from testrpc with ganache
• Other minor cleanups

Converters:

• Gas cost optimizations when converting between 2 connectors, now uses an optimized dedicated formula calculation
• Conversions now trigger 2 separate events - Conversion & PriceDataUpdate
• Added support for multiple conversions in a single atomic transaction
• Added support for conversion whitelist
• Removed the BancorConverterExtensions contract and replaced it with the new ContractRegistry contract
• Added the ability for the owner to also set the manager
• Renamed BancorQuickConverter to BancorNetwork to more accurately reflect its place as the entry point for bancor related functionality
• Removed EIP228 related functionality and deprecated the EIP

Utilities:

• Added support for contract registry to minimize dependencies between contracts
• Added support for a "feature flags" contract that allows contracts to dynamically query other contracts for supported features