Updated CHANGELOGS & MD docs

2019-12-02 15:30:53 +01:00 · 2019-12-02 15:30:53 +01:00 · ae4b1e74f9
commit ae4b1e74f9
parent ac44618e58
94 changed files with 1286 additions and 632 deletions
--- a/contracts/asset-proxy/CHANGELOG.json
+++ b/contracts/asset-proxy/CHANGELOG.json
@ -46,7 +46,8 @@
                "note": "Replaced `SafeMath` with `LibSafeMath`",
                "pr": 2254
            }
-        ]
+        ],
        "timestamp": 1575296764
    },
    {
        "version": "2.3.0-beta.4",
--- a/contracts/asset-proxy/CHANGELOG.md
+++ b/contracts/asset-proxy/CHANGELOG.md
@ -5,6 +5,20 @@ Edit the package's CHANGELOG.json file only.
 CHANGELOG
 ## v3.0.0 - _December 2, 2019_
    * Implement `KyberBridge`. (#2352)
    * Drastically reduced bundle size by adding .npmignore, only exporting specific artifacts/wrappers/utils (#2330)
    * ERC20Wrapper and ERC1155ProxyWrapper constructors now require an instance of DevUtilsContract (#2034)
    * Disallow the zero address from being made an authorized address in MixinAuthorizable, and created an archive directory that includes an old version of Ownable (#2019)
    * Remove `LibAssetProxyIds` contract (#2055)
    * Compile and export all contracts, artifacts, and wrappers by default (#2055)
    * Remove unused dependency on IAuthorizable in IAssetProxy (#1910)
    * Add `ERC20BridgeProxy` (#2220)
    * Add `Eth2DaiBridge` (#2221)
    * Add `UniswapBridge` (#2233)
    * Replaced `SafeMath` with `LibSafeMath` (#2254)
 ## v2.3.0-beta.4 - _December 2, 2019_
    * Implement `KyberBridge`. (#2352)
--- a/contracts/coordinator/CHANGELOG.json
+++ b/contracts/coordinator/CHANGELOG.json
@ -54,7 +54,8 @@
                "note": "Compile and export all contracts, artifacts, and wrappers by default",
                "pr": 2055
            }
-        ]
+        ],
        "timestamp": 1575296764
    },
    {
        "version": "2.1.0-beta.4",
--- a/contracts/coordinator/CHANGELOG.md
+++ b/contracts/coordinator/CHANGELOG.md
@ -5,6 +5,22 @@ Edit the package's CHANGELOG.json file only.
 CHANGELOG
 ## v3.0.0 - _December 2, 2019_
    * Drastically reduced bundle size by adding .npmignore, only exporting specific artifacts/wrappers/utils (#2330)
    * Introduced new export CoordinatorRevertErrors (#2321)
    * Added dependency on @0x/contracts-utils (#2321)
    * Add chainId to domain separator (#1742)
    * Inherit Exchange domain constants from `exchange-libs` to reduce code duplication (#1742)
    * Update domain separator (#1742)
    * Refactor contract to use new ITransactions interface (#1753)
    * Add verifyingContractIfExists arg to LibEIP712CoordinatorDomain constructor (#1753)
    * Remove LibZeroExTransaction contract (#1753)
    * Update tests for arbitrary fee tokens (ZEIP-28). (#1819)
    * Update for new `marketXOrders` consolidation. (#2042)
    * Use built in selectors instead of hard coded constants (#2055)
    * Compile and export all contracts, artifacts, and wrappers by default (#2055)
 ## v2.1.0-beta.4 - _December 2, 2019_
    * Dependencies updated
--- a/contracts/dev-utils/CHANGELOG.json
+++ b/contracts/dev-utils/CHANGELOG.json
@ -38,7 +38,8 @@
                "note": "`run_mocha` package script runs with `UNLIMITED_CONTRACT_SIZE=true` environment variable.",
                "pr": 2075
            }
-        ]
+        ],
        "timestamp": 1575296764
    },
    {
        "version": "0.1.0-beta.4",
--- a/contracts/dev-utils/CHANGELOG.md
+++ b/contracts/dev-utils/CHANGELOG.md
@ -5,6 +5,18 @@ Edit the package's CHANGELOG.json file only.
 CHANGELOG
 ## v1.0.0 - _December 2, 2019_
    * Drastically reduced bundle size by adding .npmignore, only exporting specific artifacts/wrappers/utils (#2330)
    * Add new method getOrderHash() to DevUtils contract (#2321)
    * Add new method getTransactionHash() to DevUtils contract (#2321)
    * Add `encodeStaticCallAssetData` and `decodeStaticCallAssetData` in LibAssetData (#2034)
    * Add `revertIfInvalidAssetData` in LibAssetData (#2034)
    * Use built in selectors instead of hard coded constants (#2055)
    * Compile and export all contracts, artifacts, and wrappers by default (#2055)
    * Add `marketBuy/SellOrdersNoThrow` and `marketBuy/SellOrdersFillOrKill` to `LibTransactionDecoder`. (#2075)
    * `run_mocha` package script runs with `UNLIMITED_CONTRACT_SIZE=true` environment variable. (#2075)
 ## v0.1.0-beta.4 - _December 2, 2019_
    * Dependencies updated
--- a/contracts/erc1155/CHANGELOG.json
+++ b/contracts/erc1155/CHANGELOG.json
@ -14,7 +14,8 @@
                "note": "Replaced `SafeMath` with `LibSafeMath`",
                "pr": 2254
            }
-        ]
+        ],
        "timestamp": 1575296764
    },
    {
        "version": "1.2.0-beta.4",
--- a/contracts/erc1155/CHANGELOG.md
+++ b/contracts/erc1155/CHANGELOG.md
@ -5,6 +5,12 @@ Edit the package's CHANGELOG.json file only.
 CHANGELOG
 ## v2.0.0 - _December 2, 2019_
    * Drastically reduced bundle size by adding .npmignore, only exporting specific artifacts/wrappers/utils (#2330)
    * Add `mintKnownFungibleTokensAsync()`, `isNonFungibleItemAsync()`, `isFungibleItemAsync()`, `getOwnerOfAsync()`, `getBalanceAsync()` to `Erc1155Wrapper`. (#1819)
    * Replaced `SafeMath` with `LibSafeMath` (#2254)
 ## v1.2.0-beta.4 - _December 2, 2019_
    * Dependencies updated
--- a/contracts/erc20-bridge-sampler/CHANGELOG.json
+++ b/contracts/erc20-bridge-sampler/CHANGELOG.json
@ -6,7 +6,8 @@
                "note": "Created package.",
                "pr": 2344
            }
-        ]
+        ],
        "timestamp": 1575296764
    },
    {
        "version": "1.0.0-beta.2",
--- a/contracts/erc20-bridge-sampler/CHANGELOG.md
+++ b/contracts/erc20-bridge-sampler/CHANGELOG.md
@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 CHANGELOG
 ## v1.0.0 - _December 2, 2019_
    * Created package. (#2344)
 ## v1.0.0-beta.2 - _December 2, 2019_
    * Dependencies updated
--- a/contracts/erc20/CHANGELOG.json
+++ b/contracts/erc20/CHANGELOG.json
@ -18,7 +18,8 @@
                "note": "Replaced `SafeMath` with `LibSafeMath`",
                "pr": 2254
            }
-        ]
+        ],
        "timestamp": 1575296764
    },
    {
        "version": "2.3.0-beta.4",
--- a/contracts/erc20/CHANGELOG.md
+++ b/contracts/erc20/CHANGELOG.md
@ -5,6 +5,13 @@ Edit the package's CHANGELOG.json file only.
 CHANGELOG
 ## v3.0.0 - _December 2, 2019_
    * Drastically reduced bundle size by adding .npmignore, only exporting specific artifacts/wrappers/utils (#2330)
    * Add `decimals()` to `LibERC20Token`. (#2344)
    * Create `LibERC20Token` (#2309)
    * Replaced `SafeMath` with `LibSafeMath` (#2254)
 ## v2.3.0-beta.4 - _December 2, 2019_
    * Dependencies updated
--- a/contracts/erc721/CHANGELOG.json
+++ b/contracts/erc721/CHANGELOG.json
@ -10,7 +10,8 @@
                "note": "Replaced `SafeMath` with `LibSafeMath`",
                "pr": 2254
            }
-        ]
+        ],
        "timestamp": 1575296764
    },
    {
        "version": "2.2.0-beta.4",
--- a/contracts/erc721/CHANGELOG.md
+++ b/contracts/erc721/CHANGELOG.md
@ -5,6 +5,11 @@ Edit the package's CHANGELOG.json file only.
 CHANGELOG
 ## v3.0.0 - _December 2, 2019_
    * Drastically reduced bundle size by adding .npmignore, only exporting specific artifacts/wrappers/utils (#2330)
    * Replaced `SafeMath` with `LibSafeMath` (#2254)
 ## v2.2.0-beta.4 - _December 2, 2019_
    * Dependencies updated
--- a/contracts/exchange-forwarder/CHANGELOG.json
+++ b/contracts/exchange-forwarder/CHANGELOG.json
@ -18,7 +18,8 @@
                "note": "Use `LibERC20Token` in `MixinAssets`",
                "pr": 2309
            }
-        ]
+        ],
        "timestamp": 1575296764
    },
    {
        "version": "3.1.0-beta.4",
--- a/contracts/exchange-forwarder/CHANGELOG.md
+++ b/contracts/exchange-forwarder/CHANGELOG.md
@ -5,6 +5,13 @@ Edit the package's CHANGELOG.json file only.
 CHANGELOG
 ## v4.0.0 - _December 2, 2019_
    * Added buy support for ERC20Bridge (#2356)
    * Drastically reduced bundle size by adding .npmignore, only exporting specific artifacts/wrappers/utils (#2330)
    * Introduced new export ForwarderRevertErrors (#2321)
    * Use `LibERC20Token` in `MixinAssets` (#2309)
 ## v3.1.0-beta.4 - _December 2, 2019_
    * Added buy support for ERC20Bridge (#2356)
--- a/contracts/exchange-libs/CHANGELOG.json
+++ b/contracts/exchange-libs/CHANGELOG.json
@ -118,7 +118,8 @@
                "note": "Move `IWallet.sol` from `asset-proxy` and `exchange` packages to here.",
                "pr": 2233
            }
-        ]
+        ],
        "timestamp": 1575296764
    },
    {
        "version": "3.1.0-beta.4",
--- a/contracts/exchange-libs/CHANGELOG.md
+++ b/contracts/exchange-libs/CHANGELOG.md
@ -5,6 +5,38 @@ Edit the package's CHANGELOG.json file only.
 CHANGELOG
 ## v4.0.0 - _December 2, 2019_
    * Drastically reduced bundle size by adding .npmignore, only exporting specific artifacts/wrappers/utils (#2330)
    * Introduced new export LibMathRevertErrors (#2321)
    * Break up `LibEIP712` into reusable components (#1742)
    * Add `chainId` to EIP712 domain schema (#1742)
    * Rename `verifyingContract` to `verifyingContractAddress` in domain schema (#1742)
    * Add LibZeroExTransaction contract (#1753)
    * Add verifyingContractIfExists arg to LibEIP712ExchangeDomain constructor (#1753)
    * Remove LibEIP712ExchangeDomainConstants and LibEIP712 contracts (#1753)
    * Add `LibExchangeRichErrorDecoder` contract. (#1790)
    * Break out types/interaces from `MExchangeRichErrors` into `MExchangeRichErrorTypes`. (#1790)
    * Reorder some revert error parameters for consistency (#1790)
    * Add new `Order` fields for arbitrary fee tokens (ZEIP-28). (#1819)
    * Remove `LibAbiEncoder` and `LibConstants`. (#1819)
    * Add `generate-exchange-selectors` package script. (#1819)
    * Add `expirationTimeSeconds` to `ZeroExTransaction` struct (#1823)
    * Add reference functions for `LibMath` and `LibFillResults` (#2031)
    * Move in revamped `LibMath` tests from the `contracts-exchange` package. (#2031)
    * Move in revamped `LibFillResults` tests from the `contracts-exchange` package. (#2031)
    * Remove unecessary zero-denominator checks in `LibMath`. (#2031)
    * Fix coverage hooks. (#2031)
    * Regenerate selectors. (#2042)
    * Convert `LibFillResults`, `LibOrder`, `LibZeroExTransaction`, and `LibMath` to libraries (#2055)
    * Remove `LibExchangeSelectors` (#2055)
    * Add `LibExchangeRichErrors` (#2055)
    * Add `calculateFillResults` and `calculateMatchedFillResults` to `LibFillResults` (#2055)
    * Remove `_hashEIP712ExchangeMessage` from `LibEIP712ExchangeDomain` (#2055)
    * Compile and export all contracts, artifacts, and wrappers by default (#2055)
    * Update `IncompleteFillError` to take an `errorCode`, `expectedAssetFillAmount`, and `actualAssetFillAmount` fields. (#2075)
    * Move `IWallet.sol` from `asset-proxy` and `exchange` packages to here. (#2233)
 ## v3.1.0-beta.4 - _December 2, 2019_
    * Dependencies updated
--- a/contracts/exchange/CHANGELOG.json
+++ b/contracts/exchange/CHANGELOG.json
@ -218,7 +218,8 @@
                "note": "Overridden functions in `ReentrancyTester` now return sane values.",
                "pr": 2075
            }
-        ]
+        ],
        "timestamp": 1575296764
    },
    {
        "version": "2.2.0-beta.4",
--- a/contracts/exchange/CHANGELOG.md
+++ b/contracts/exchange/CHANGELOG.md
@ -5,6 +5,63 @@ Edit the package's CHANGELOG.json file only.
 CHANGELOG
 ## v3.0.0 - _December 2, 2019_
    * Drastically reduced bundle size by adding .npmignore, only exporting specific artifacts/wrappers/utils (#2330)
    * Introduced new export ExchangeRevertErrors (#2321)
    * Round up in `marketBuyOrdersNoThrow()` so `marketBuyOrdersFillOrKill()` doesn't throw up. (#2338)
    * LocalBalanceStore.create and constructor now require an instance of DevUtilsContract (#2304)
    * In LocalBalanceStore, `transferAsset` is now `transferAssetAsync` (#2304)
    * Test utility classes AssetWrapper, MatchOrderTester, and OrderFactoryFromScenario constructors now require an instance of DevUtilsContract (#2304)
    * In OrderFactoryFromScenario, `generateOrder` is now `generateOrderAsync` (#2304)
    * Use new/cheaper reentrancy guard/mutex (#1699)
    * Update domain separator (#1742)
    * Refactor `executeTransaction` to take `ZeroExTransaction` struct as input (#1753)
    * Refactor example contracts that use `executeTransaction` (#1753)
    * Upgrade all string reverts to rich reverts (#1761)
    * Add support for `SignatureType.OrderValidator` for orders (#1774)
    * Add support for `SignatureType.WalletOrderValidator` for orders (#1774)
    * Add a `bytes` return value to `executeTransaction`, which is equal to the encoded return data of the underlying Exchange function call (#1793)
    * Implement `batchExecuteTransactions` (#1793)
    * Refactor preSign to be compatible with `executeTransaction` (#1793)
    * Remove ZRX fees in lieu of arbitrary maker and taker fee tokens. (#1819)
    * Incorporate Multi-asset and ERC1155 tests into `fillOrder` and `matchOrders` tests (#1819)
    * Swap fill order from maker -> taker to taker -> maker (#1819)
    * Avoid redundant transfer in `fillOrder()` and `matchOrders()` when maker/taker is the same as feeRecipient and assets are the same (#1819)
    * Implement `cancelOrderNoThrow` and `batchCancelOrdersNoThrow` functions (#1827)
    * `executeTransaction` will now revert if the input transaction is expired (#1832)
    * Log an `TransactionExecuted` event when an `executeTransaction` call is successful (#1832)
    * Return a FillResults array for batch fill variants (#1834)
    * Add `MixinTransferSimulator` contract for simulating multiple transfers on-chain (#1868)
    * Add `EIP1271Wallet` signature type (#1885)
    * Remove `WalletOrderValidator` and `OrderValidator` signature types (#1885)
    * Make the regular `Validator` signature type have EIP1271 behavior (#1885)
    * Always check signature types that are validated via contract (not just on first fill). (#1885)
    * Remove unecessary rich revert error types. (#1885)
    * Add `IEIP1271Wallet` interface (#1885)
    * Add `validatorAddress` field to `SignatureValidatorError` rich reverts (#1885)
    * Make `calculateMatchedFillResults` public (#1885)
    * Updated RichErrors to the library pattern (#1913)
    * Rewrote _dispatchTransferFrom in Solidity (#2020)
    * Add `TestIsolatedExchange` contract and `IsolatedExchangeWrapper` test class (#2031)
    * Add `ReferenceFunctions` as package export. (#2031)
    * Remove `TestExchangeMath.sol`. Exchange math functions are now tested in the `exchange-libs` package and reference implementations are available there as well. (#2031)
    * Remove functions from `TestExchangeInternals.sol` that are no longer tested in this package. (#2031)
    * Remove `_assertValidFill()` (#2031)
    * Add `wrapper_unit_tests` tests and `TestWrapperFunctions` contract (#2042)
    * Disallow `signerAddress == 0` in signature validation functions. (#2042)
    * Update `Wallet` signature type behavior to be in line with v2.1. (#2042)
    * Add (semi) automated reentrancy tests and remove manual ones (#2042)
    * Refactor to use new `LibFillResults`, `LibOrder`, `LibZeroExTransaction`, and `LibMath` to libraries (#2055)
    * Remove `LibExchangeRichErrors` and `IExchangeRichErrors` (#2055)
    * Use built in selectors instead of `LibExchangeSelectors` constants (#2055)
    * Move `calculateFillResults` and `calculateMatchedFillResults` to `LibFillResults` in `exchange-libs` package (#2055)
    * Compile and export all contracts, artifacts, and wrappers by default (#2055)
    * Rename `marketSellOrders` and `marketBuyOrders` back to `marketSellOrdersNoThrow` and `marketBuyOrdersNoThrow`. (#2075)
    * Introduce new `marketSellOrdersFillOrKill` and `marketBuyOrdersFillOrKill` functions. (#2075)
    * Use `abi.decode()` in `LibExchangeRichErrorDecoder` over `LibBytes`. (#2075)
    * Overridden functions in `ReentrancyTester` now return sane values. (#2075)
 ## v2.2.0-beta.4 - _December 2, 2019_
    * Dependencies updated
--- a/contracts/extensions/CHANGELOG.json
+++ b/contracts/extensions/CHANGELOG.json
@ -10,7 +10,8 @@
                "note": "Replaced the use of `SafeMath` with `LibSafeMath`",
                "pr": 2254
            }
-        ]
+        ],
        "timestamp": 1575296764
    },
    {
        "version": "4.1.0-beta.4",
--- a/contracts/extensions/CHANGELOG.md
+++ b/contracts/extensions/CHANGELOG.md
@ -5,6 +5,11 @@ Edit the package's CHANGELOG.json file only.
 CHANGELOG
 ## v5.0.0 - _December 2, 2019_
    * Drastically reduced bundle size by adding .npmignore, only exporting specific artifacts/wrappers/utils (#2330)
    * Replaced the use of `SafeMath` with `LibSafeMath` (#2254)
 ## v4.1.0-beta.4 - _December 2, 2019_
    * Dependencies updated
--- a/contracts/integrations/CHANGELOG.json
+++ b/contracts/integrations/CHANGELOG.json
@ -6,7 +6,8 @@
                "note": "Forwader <> ERC20Bridge integration tests",
                "pr": 2356
            }
-        ]
+        ],
        "timestamp": 1575296764
    },
    {
        "version": "1.0.3-beta.2",
--- a/contracts/integrations/CHANGELOG.md
+++ b/contracts/integrations/CHANGELOG.md
@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 CHANGELOG
 ## v2.0.0 - _December 2, 2019_
    * Forwader <> ERC20Bridge integration tests (#2356)
 ## v1.0.3-beta.2 - _December 2, 2019_
    * Forwader <> ERC20Bridge integration tests (#2356)
--- a/contracts/multisig/CHANGELOG.json
+++ b/contracts/multisig/CHANGELOG.json
@ -6,7 +6,8 @@
                "note": "Drastically reduced bundle size by adding .npmignore, only exporting specific artifacts/wrappers/utils",
                "pr": 2330
            }
-        ]
+        ],
        "timestamp": 1575296764
    },
    {
        "version": "3.2.0-beta.4",
--- a/contracts/multisig/CHANGELOG.md
+++ b/contracts/multisig/CHANGELOG.md
@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 CHANGELOG
 ## v4.0.0 - _December 2, 2019_
    * Drastically reduced bundle size by adding .npmignore, only exporting specific artifacts/wrappers/utils (#2330)
 ## v3.2.0-beta.4 - _December 2, 2019_
    * Dependencies updated
--- a/contracts/staking/CHANGELOG.json
+++ b/contracts/staking/CHANGELOG.json
@ -126,7 +126,8 @@
                "note": "Removed explicit dependency on epoch+1 when delegating.",
                "pr": 2188
            }
-        ]
+        ],
        "timestamp": 1575296764
    },
    {
        "version": "1.1.0-beta.4",
--- a/contracts/staking/CHANGELOG.md
+++ b/contracts/staking/CHANGELOG.md
@ -5,6 +5,40 @@ Edit the package's CHANGELOG.json file only.
 CHANGELOG
 ## v2.0.0 - _December 2, 2019_
    * Drastically reduced bundle size by adding .npmignore, only exporting specific artifacts/wrappers/utils (#2330)
    * Introduce new exports FixedMathRevertErrors and StakingRevertErrors (#2321)
    * Removed handshake when adding maker to pool. (#2250)
    * Removed upper limit on number of makers in a pool. (#2250)
    * Removed operator permissions from makers. (#2250)
    * Pool Id starts at 1 and increases by 1. (#2250)
    * Add more overflow safeguards to `LibFixedMath` (#2255)
    * Refactored finalization state. (#2276)
    * Removed protocol fee != 0 assertion. (#2278)
    * Call `StakingProxy.assertValidStorageParams()` in `MixinParams.setParams()` (#2279)
    * The fallback function in `StakingProxy` reverts if there is no staking contract attached (#2310)
    * Fix overflow w/ `LibFixedMath._mul(-1, -2*255) (#2311)
    * Unit tests for MixinScheduler (#2314)
    * Unit tests for MixinCumulativeRewards (#2316)
    * Created package (#1821)
    * First implementation (#1910)
    * Replace `LibFeeMath` with `LibFixedMath`. (#2109)
    * Use a more precise cobb-douglas implementation. (#2109)
    * Change the way operator stake is computed. (#2109)
    * Denominate pool operator shares in parts-per-million. (#2109)
    * New stake management mechanics. Delay before delegation. Nixed shadow rewards. (#2118)
    * Tests for new stake management mechanics. (#2126)
    * Add `init()` pattern to contracts. (#2131)
    * Replace `MixinDeploymentConstants` with `MixinParams`. (#2131)
    * Reference counting for cumulative rewards. (#2154)
    * Refactored Staking Reward Vault. Moved pool management logic into staking contract. (#2156)
    * Removed MixinStakingPoolRewardVault.sol (#2156)
    * Refactored out `_cobbDouglas()` into its own library (#2179)
    * Introduce multi-block finalization. (#2155)
    * Removed reference counting for cumulative rewards. (#2188)
    * Removed explicit dependency on epoch+1 when delegating. (#2188)
 ## v1.1.0-beta.4 - _December 2, 2019_
    * Dependencies updated
--- a/contracts/test-utils/CHANGELOG.json
+++ b/contracts/test-utils/CHANGELOG.json
@ -118,7 +118,8 @@
                "note": "Add `verifyEventsFromLogs()`",
                "pr": 2287
            }
-        ]
+        ],
        "timestamp": 1575296764
    },
    {
        "version": "3.2.0-beta.4",
--- a/contracts/test-utils/CHANGELOG.md
+++ b/contracts/test-utils/CHANGELOG.md
@ -5,6 +5,38 @@ Edit the package's CHANGELOG.json file only.
 CHANGELOG
 ## v4.0.0 - _December 2, 2019_
    * Drastically reduced bundle size by adding .npmignore, only exporting specific artifacts/wrappers/utils (#2330)
    * Add new exports orderHashUtils and transactionHashUtils (#2321)
    * Remove TransactionHelper and MutatorContractFunction (#2325)
    * OrderFactory default order expiration time increased from ten minutes to fifteen minutes  (#2304)
    * Add `chainId` to `TransactionFactory` constructor (#1742)
    * Use new `Order` structure with `domain` field (#1742)
    * Inherit `chaiSetup` from `@0x/dev-utils` (#1761)
    * Add `generatePseudoRandomOrderHash()` to `orderUtils` (#1761)
    * Inherit `OrderStatus` from `@0x/types` (#1761)
    * Update types for arbitrary fee tokens (#1819)
    * Remove formatters (#1834)
    * Add `hexConcat()` in `hex_utils.ts` (#1885)
    * Introduce Mocha blockchain extensions (#2007)
    * Move `*FillResults`, `OrderInfo` types to `@0x/types` (#2031)
    * Add `log_utils.ts` (#2031)
    * Add `haxRandom()` to `hex_utils.ts` (#2031)
    * Add the constants: `MAX_UINT256`, `ADDRESS_LENGTH`, `MAX_UINT256_ROOT`, `ONE_ETHER` (#2031)
    * Make `testCombinatoriallyWithReferenceFuncAsync` non-async (#2031)
    * Update `testWithReferenceFuncAsync` to work with `RevertErrors` (#2031)
    * `web3Wrapper` is created with `shouldAllowUnlimitedContractSize` if `UNLIMITED_CONTRACT_SIZE` environment variable is set. (#2075)
    * Add `toHex()`, `hexLeftPad()`, `hexRightPad()`, and 'hexInvert()' hex utils (#2109)
    * Add `PPM_DENOMINATOR` and `PPM_100_PERCENT` constants. (#2109)
    * Increase the number of ganache accounts to 20 (#2109)
    * Add `Numberish` type. (#2131)
    * Tweaks/Upgrades to `hex_utils`, most notably `hexSlice()` (#2155)
    * Add `hexHash()` to `hex_utils` (#2155)
    * Add `shortZip()` to `lang_utils.ts` (#2155)
    * Add `number_utils.ts` and `hexSize()` (#2220)
    * Add `verifyEventsFromLogs()` (#2287)
 ## v3.2.0-beta.4 - _December 2, 2019_
    * Dependencies updated
--- a/contracts/utils/CHANGELOG.json
+++ b/contracts/utils/CHANGELOG.json
@ -82,7 +82,8 @@
                "note": "Replaced `SafeMath` with `LibSafeMath`",
                "pr": 2254
            }
-        ]
+        ],
        "timestamp": 1575296764
    },
    {
        "version": "3.3.0-beta.4",
--- a/contracts/utils/CHANGELOG.md
+++ b/contracts/utils/CHANGELOG.md
@ -5,6 +5,29 @@ Edit the package's CHANGELOG.json file only.
 CHANGELOG
 ## v4.0.0 - _December 2, 2019_
    * Drastically reduced bundle size by adding .npmignore, only exporting specific artifacts/wrappers/utils (#2330)
    * Introduced new exports AuthorizableRevertErrors, LibAddressArrayRevertErrors, LibBytesRevertErrors, OwnableRevertErrors, ReentrancyGuardRevertErrors and SafeMathRevertErrors (#2321)
    * Change ReentrancyGuard implementation to cheaper one (#1699)
    * Add LibEIP712 contract (#1753)
    * Add `RichErrors` and `mixins/MRichErrors` (#1761)
    * Break out types/interaces from `MRichErrors` into `MRichErrorTypes`. (#1790)
    * Add LibEIP1271.sol (#1885)
    * Updated RichErrors to the library pattern, and implemented RichErrors for all remaining reverts and requires (#1913)
    * Added unit tests for all of the internal functions in the package (#2014)
    * Updated Ownable to revert when the owner attempts to transfer ownership to the zero address (#2019)
    * Add reference functions for `SafeMath` functions. (#2031)
    * Throw a `SafeMathError` in `SafeMath._safeDiv()` when denominator is zero. (#2031)
    * Create `LibSafeMath` (#2055)
    * Rename `_rrevert` to `rrevert` in `LibRichErrors` contract (#2055)
    * Compile and export all contracts, artifacts, and wrappers by default (#2055)
    * Added LibFractions (#2118)
    * Introduce automatic normalization and some zero-value shortcuts in `LibFractions`. (#2155)
    * Emit an event in `transferOwnership` (#2253)
    * Removed `deepCopyBytes`, `popLast20Bytes`, `readBytesWithLength`, and `writeBytesWithLength` in `LibBytes`. (#2265)
    * Replaced `SafeMath` with `LibSafeMath` (#2254)
 ## v3.3.0-beta.4 - _December 2, 2019_
    * Dependencies updated
--- a/packages/0x.js/CHANGELOG.json
+++ b/packages/0x.js/CHANGELOG.json
@ -33,7 +33,8 @@
            {
                "note": "Updated to work with 0x v3"
            }
-        ]
+        ],
        "timestamp": 1575296764
    },
    {
        "version": "8.0.0-beta.3",
--- a/packages/0x.js/CHANGELOG.md
+++ b/packages/0x.js/CHANGELOG.md
@ -5,6 +5,17 @@ Edit the package's CHANGELOG.json file only.
 CHANGELOG
 ## v9.0.0 - _December 2, 2019_
    * Remove ZRXToken contract wrapper (#2324)
    * ContractWrappers no longer exposes `erc20Proxy`, `erc721Proxy` and `dutchAuction` wrappers (#2324)
    * [Breaking] Big refactor of contract wrapper interface. See https://github.com/0xProject/0x-monorepo/pull/2325 for details (#2325)
    * Remove IWallet and IValidator contract wrappers (#2337)
    * Remove exports orderHashUtils and transactionHashUtils (#2321)
    * Update BigNumber version to ~9.0.0 (#2342)
    * Exported intefaces changed: from getContractAddressesForNetworkOrThrow to getContractAddressesForChainOrThrow, from NetworkId to ChainId, from ContractNetworks to ContractChains, and from ContractNetworkData to ContractChainData. (#2313)
    * Updated to work with 0x v3
 ## v8.0.0-beta.3 - _December 2, 2019_
    * Dependencies updated
--- a/packages/0x.js/docs/reference.mdx
+++ b/packages/0x.js/docs/reference.mdx
--- a/packages/abi-gen/CHANGELOG.json
+++ b/packages/abi-gen/CHANGELOG.json
@ -62,7 +62,8 @@
                "note": "Fix templates not being included in published tarball",
                "pr": 2315
            }
-        ]
+        ],
        "timestamp": 1575296764
    },
    {
        "version": "4.4.0-beta.4",
--- a/packages/abi-gen/CHANGELOG.md
+++ b/packages/abi-gen/CHANGELOG.md
@ -5,6 +5,24 @@ Edit the package's CHANGELOG.json file only.
 CHANGELOG
 ## v5.0.0 - _December 2, 2019_
    * Refactored TS wrapper templates to result in a more succint interface. See https://github.com/0xProject/0x-monorepo/pull/2325 for details. (#2284)
    * Python: Corrected return types and values for call() interface to generated method wrappers.  (Fixes #2298) (#2345)
    * Python: Stopped generating send_transaction() interface for constant (view/pure) methods (#2345)
    * Python: Added a build_transaction() interface to contract method classes (#2345)
    * Python: Removed `validator` argument to contract method classes for methods that don't have any inputs (#2345)
    * Python: Changed the names of generated tuples to use the `internalType` field in the ABI, if it's present, resulting in human readable struct names rather than hashes of component field names. (#2345)
    * Moved shared logic into `BaseContract` helpers to reduce size. (#2343)
    * Re-enable gas estimation when `gas` is not provided. (#2343)
    * In Python wrappers, accept string arguments to bytes parameters (#2284)
    * In Python wrappers, support module-local, Web3.py-compatible middleware (#2284)
    * In Python wrappers, allow contracts to be instantiated with EITHER a Web3.py BaseProvider OR a Web3 client object (#2284)
    * In Python wrappers, fix bug with casting some bytes objects using bytes.fromhex() (#2284)
    * Add `getSelector` method to all functions (#2224)
    * Command-line argument network-id has changed to chain-id (#2313)
    * Fix templates not being included in published tarball (#2315)
 ## v4.4.0-beta.4 - _December 2, 2019_
    * Dependencies updated
--- a/packages/assert/CHANGELOG.json
+++ b/packages/assert/CHANGELOG.json
@ -5,7 +5,8 @@
            {
                "note": "Dependencies updated"
            }
-        ]
+        ],
        "timestamp": 1575296764
    },
    {
        "version": "2.2.0-beta.3",
--- a/packages/assert/CHANGELOG.md
+++ b/packages/assert/CHANGELOG.md
@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 CHANGELOG
 ## v3.0.0 - _December 2, 2019_
    * Dependencies updated
 ## v2.2.0-beta.3 - _December 2, 2019_
    * Dependencies updated
--- a/packages/asset-swapper/CHANGELOG.json
+++ b/packages/asset-swapper/CHANGELOG.json
@ -18,7 +18,8 @@
                "note": "All references to network ID have been removed, and references to chain ID have been introduced instead",
                "pr": 2313
            }
-        ]
+        ],
        "timestamp": 1575296764
    },
    {
        "version": "2.1.0-beta.4",
--- a/packages/asset-swapper/CHANGELOG.md
+++ b/packages/asset-swapper/CHANGELOG.md
@ -5,6 +5,13 @@ Edit the package's CHANGELOG.json file only.
 CHANGELOG
 ## v3.0.0 - _December 2, 2019_
    * Refactor of logic for marketBuy/marketSell order pruning and selecting, introduced protocol fees, and refactored types used by the package (#2272)
    * Incorporate paying protocol fees. (#2350)
    * Update BigNumber version to ~9.0.0 (#2342)
    * All references to network ID have been removed, and references to chain ID have been introduced instead (#2313)
 ## v2.1.0-beta.4 - _December 2, 2019_
    * Dependencies updated
--- a/packages/base-contract/CHANGELOG.json
+++ b/packages/base-contract/CHANGELOG.json
@ -42,7 +42,8 @@
                "note": "Properly encode `BigNumber` indexed filter values in `getTopicsForIndexedArgs()`",
                "pr": 2155
            }
-        ]
+        ],
        "timestamp": 1575296764
    },
    {
        "version": "5.5.0-beta.4",
--- a/packages/base-contract/CHANGELOG.md
+++ b/packages/base-contract/CHANGELOG.md
@ -5,6 +5,19 @@ Edit the package's CHANGELOG.json file only.
 CHANGELOG
 ## v6.0.0 - _December 2, 2019_
    * Moved shared logic into `BaseContract` helpers to reduce size. (#2343)
    * Make `evmExecAsync` protected and rename to `_evmExecAsync` (#2243)
    * Remove duplicate types `IndexedFilterValues`, `DecodedLogEvent`, `EventCallback` (#2243)
    * Added ContractFunctionObj type and supporting types (#2325)
    * Added AwaitTransactionSuccessOpts and SendTransactionOpts (#2325)
    * Automatically decode and throw rich reverts in `_throwIfRevertWithReasonCallResult` (#1761)
    * Remove dependency on ethers.js (#1761)
    * Add more RevertError decoding functions (#1819)
    * Make the Promise returned by `awaitTransactionSuccessAsync` compatible with base Promise type (#1885)
    * Properly encode `BigNumber` indexed filter values in `getTopicsForIndexedArgs()` (#2155)
 ## v5.5.0-beta.4 - _December 2, 2019_
    * Dependencies updated
--- a/packages/connect/CHANGELOG.json
+++ b/packages/connect/CHANGELOG.json
@ -10,7 +10,8 @@
                "note": "All references to network ID have been removed, and references to chain ID have been introduced instead",
                "pr": 2313
            }
-        ]
+        ],
        "timestamp": 1575296764
    },
    {
        "version": "5.1.0-beta.3",
--- a/packages/connect/CHANGELOG.md
+++ b/packages/connect/CHANGELOG.md
@ -5,6 +5,11 @@ Edit the package's CHANGELOG.json file only.
 CHANGELOG
 ## v6.0.0 - _December 2, 2019_
    * Removed dependency on @0x/order-utils (#2321)
    * All references to network ID have been removed, and references to chain ID have been introduced instead (#2313)
 ## v5.1.0-beta.3 - _December 2, 2019_
    * Dependencies updated
--- a/packages/contract-addresses/CHANGELOG.json
+++ b/packages/contract-addresses/CHANGELOG.json
@ -49,7 +49,8 @@
                "note": "Update `assetProxyOwner` address for each testnet",
                "pr": 2224
            }
-        ]
+        ],
        "timestamp": 1575296764
    },
    {
        "version": "3.3.0-beta.5",
--- a/packages/contract-addresses/CHANGELOG.md
+++ b/packages/contract-addresses/CHANGELOG.md
@ -5,6 +5,21 @@ Edit the package's CHANGELOG.json file only.
 CHANGELOG
 ## v4.0.0 - _December 2, 2019_
    * `1337` addresses updated with Forwarder deployed after Exchange is configured (#2368)
    * Update Forwarder addresses on all newtorks (#2374)
    * Update all v3 mainnet addresses (#2322)
    * Update ZeroExGovernor address on all testnets (#2322)
    * Updated devUtils contract addresses on testnets
    * Remove `readOnlyProxy` from addresses interface (#2295)
    * Add `zeroExGovernor` and `erc20BridgeProxy` to addresses interface (#2296)
    * Update `exchange`, `staking`, `stakingProxy`, `zeroExGovernor`, `assetProxyOwner`, and `erc20BridgeProxy` addresses for each tesnet (#2296)
    * Contract addresses are no longer indexed by network ID.  Now they're indexed by chain ID. (#2313)
    * Removed `getNetworkIdByExchangeAddressOrThrow`. It's not needed with V3 tooling. (#2170)
    * Add `zrxVault`, `readOnlyProxy`, `staking`, and `stakingProxy` schema with addresses for each tesnet (#2224)
    * Update `assetProxyOwner` address for each testnet (#2224)
 ## v3.3.0-beta.5 - _December 2, 2019_
    * `1337` addresses updated with Forwarder deployed after Exchange is configured (#2368)
--- a/packages/contract-artifacts/CHANGELOG.json
+++ b/packages/contract-artifacts/CHANGELOG.json
@ -29,7 +29,8 @@
                "note": "Add `deployedBytecode` field",
                "pr": 2181
            }
-        ]
+        ],
        "timestamp": 1575296764
    },
    {
        "version": "2.3.0-beta.4",
--- a/packages/contract-artifacts/CHANGELOG.md
+++ b/packages/contract-artifacts/CHANGELOG.md
@ -5,6 +5,16 @@ Edit the package's CHANGELOG.json file only.
 CHANGELOG
 ## v3.0.0 - _December 2, 2019_
    * Regenerate Forwarder and DevUtils artifacts (#2374)
    * Replace Staking artifact with TestStaking (#2322)
    * Added `ZrxVault` and `ERC20BridgeProxy` artifacts (#2323)
    * Updated Coordinator + Coordinator Registry artifacts (#2346)
    * Update DevUtils contract artifacts
    * Use V3 contracts (#2181)
    * Add `deployedBytecode` field (#2181)
 ## v2.3.0-beta.4 - _December 2, 2019_
    * Regenerate Forwarder and DevUtils artifacts (#2374)
--- a/packages/contract-wrappers/CHANGELOG.json
+++ b/packages/contract-wrappers/CHANGELOG.json
@ -34,7 +34,8 @@
                "note": "Update exchange wrapper",
                "pr": 1742
            }
-        ]
+        ],
        "timestamp": 1575296764
    },
    {
        "version": "12.2.0-beta.4",
--- a/packages/contract-wrappers/CHANGELOG.md
+++ b/packages/contract-wrappers/CHANGELOG.md
@ -5,6 +5,17 @@ Edit the package's CHANGELOG.json file only.
 CHANGELOG
 ## v13.0.0 - _December 2, 2019_
    * Remove dependency on `abi-gen-wrappers` (#2370)
    * Regenrate Forwarder wrapper (#2374)
    * [Breaking] Remove `erc20Proxy`, `erc721Proxy` and `dutchAuction` wrappers (#2324)
    * [Breaking] Big refactor of contract wrapper interface. See https://github.com/0xProject/0x-monorepo/pull/2325 for details (#2325)
    * Export types `ContractFunctionObj` and `ContractTxFunctionObj` (#2325)
    * All references to network ID have been removed, and references to chain ID have been introduced instead (#2313)
    * Use new `Order` and `ZeroExTransaction` structures with `domain` field (#1742)
    * Update exchange wrapper (#1742)
 ## v12.2.0-beta.4 - _December 2, 2019_
    * Remove dependency on `abi-gen-wrappers`
--- a/packages/contracts-gen/CHANGELOG.json
+++ b/packages/contracts-gen/CHANGELOG.json
@ -10,7 +10,8 @@
                "note": "Fixed sorting in artifact generation",
                "pr": 1910
            }
-        ]
+        ],
        "timestamp": 1575296764
    },
    {
        "version": "1.1.0-beta.4",
--- a/packages/contracts-gen/CHANGELOG.md
+++ b/packages/contracts-gen/CHANGELOG.md
@ -5,6 +5,11 @@ Edit the package's CHANGELOG.json file only.
 CHANGELOG
 ## v2.0.0 - _December 2, 2019_
    * Generate boilerplate for all contracts if none are specified or if all contracts identifier is used (#2055)
    * Fixed sorting in artifact generation (#1910)
 ## v1.1.0-beta.4 - _December 2, 2019_
    * Dependencies updated
--- a/packages/dev-utils/CHANGELOG.json
+++ b/packages/dev-utils/CHANGELOG.json
@ -26,7 +26,8 @@
                "note": "Refactor out `Error` coercion code into the `utils` package",
                "pr": 1819
            }
-        ]
+        ],
        "timestamp": 1575296764
    },
    {
        "version": "2.4.0-beta.4",
--- a/packages/dev-utils/CHANGELOG.md
+++ b/packages/dev-utils/CHANGELOG.md
@ -5,6 +5,15 @@ Edit the package's CHANGELOG.json file only.
 CHANGELOG
 ## v3.0.0 - _December 2, 2019_
    * `revertWith` mocha extensions now accept Promise-like objects instead of just Promises (#2031)
    * Add `shouldAllowUnlimitedContractSize` to `Web3Config`. (#2075)
    * Add `UNLIMITED_CONTRACT_SIZE` to `EnvVars`. (#2075)
    * Add `total_accounts` option to `Web3Config`. (#2109)
    * Add `chaiSetup` function with `RevertError` testing support (#1761)
    * Refactor out `Error` coercion code into the `utils` package (#1819)
 ## v2.4.0-beta.4 - _December 2, 2019_
    * Dependencies updated
--- a/packages/ethereum-types/CHANGELOG.json
+++ b/packages/ethereum-types/CHANGELOG.json
@ -14,7 +14,8 @@
                "note": "Add `DecodedLogs` type",
                "pr": 2220
            }
-        ]
+        ],
        "timestamp": 1575296764
    },
    {
        "version": "2.2.0-beta.2",
--- a/packages/ethereum-types/CHANGELOG.md
+++ b/packages/ethereum-types/CHANGELOG.md
@ -5,6 +5,12 @@ Edit the package's CHANGELOG.json file only.
 CHANGELOG
 ## v3.0.0 - _December 2, 2019_
    * All references to network ID have been removed, and references to chain ID have been introduced instead (#2313)
    * Add `RevertErrorAbi` interface as part of `AbiDefinition` types (#1761)
    * Add `DecodedLogs` type (#2220)
 ## v2.2.0-beta.2 - _November 17, 2019_
    * Dependencies updated
--- a/packages/json-schemas/CHANGELOG.json
+++ b/packages/json-schemas/CHANGELOG.json
@ -22,7 +22,8 @@
                "note": "Add `expirationTimeSeconds` to `ZeroExTransaction` schema",
                "pr": 1832
            }
-        ]
+        ],
        "timestamp": 1575296764
    },
    {
        "version": "4.1.0-beta.3",
--- a/packages/json-schemas/CHANGELOG.md
+++ b/packages/json-schemas/CHANGELOG.md
@ -5,6 +5,14 @@ Edit the package's CHANGELOG.json file only.
 CHANGELOG
 ## v5.0.0 - _December 2, 2019_
    * All references to network ID have been removed, and references to chain ID have been introduced instead (#2313)
    * Add `eip712DomainSchema` schema (#1742)
    * Add required field `domain` to `order` and `zeroExTransaction` schemas (#1742)
    * Add `makerAssetData` and `takerAssetData` to `Order` schemas (#1819)
    * Add `expirationTimeSeconds` to `ZeroExTransaction` schema (#1832)
 ## v4.1.0-beta.3 - _December 2, 2019_
    * Dependencies updated
--- a/packages/migrations/CHANGELOG.json
+++ b/packages/migrations/CHANGELOG.json
@ -46,7 +46,8 @@
                "note": "Update Coordinator and Exchange deployments to pass `chainId`",
                "pr": 1742
            }
-        ]
+        ],
        "timestamp": 1575296764
    },
    {
        "version": "4.4.0-beta.4",
--- a/packages/migrations/CHANGELOG.md
+++ b/packages/migrations/CHANGELOG.md
@ -5,6 +5,20 @@ Edit the package's CHANGELOG.json file only.
 CHANGELOG
 ## v5.0.0 - _December 2, 2019_
    * Deploy Forwarder after Exchange is configured as Staking Proxy is queried (#2368)
    * Subsequent contract addresses after the Forwarder are now modified (#2368)
    * Update Exchange, DevUtils, Coordinator, and Forwarder addresses on all networks (#2349)
    * Update StakingProxy, Staking, and ZrxVault addresses on mainnet (#2349)
    * Add UniswapBridge and Eth2DaiBridge addresses to schema, add mainnet addresses (#2349)
    * Deploy Forwarder AFTER staking is hooked up (#2350)
    * Migrations script no longer deploys DutchAuction since it is not yet upgraded for V3 of the protocol (#2324)
    * Added `Staking` and `ERC20BridgeProxy` contracts (#2323)
    * Update all contract deployments to pass the actual chain ID (rather than the network ID) via the newly modified @0x/utils/provider_utils (#2270)
    * All references to network ID have been removed, and references to chain ID have been introduced instead (#2313)
    * Update Coordinator and Exchange deployments to pass `chainId` (#1742)
 ## v4.4.0-beta.4 - _December 2, 2019_
    * Deploy Forwarder after Exchange is configured as Staking Proxy is queried (#2368)
--- a/packages/order-utils/CHANGELOG.json
+++ b/packages/order-utils/CHANGELOG.json
@ -142,7 +142,8 @@
                "note": "Removed protocol fee != 0 error.",
                "pr": 2278
            }
-        ]
+        ],
        "timestamp": 1575296764
    },
    {
        "version": "8.5.0-beta.4",
--- a/packages/order-utils/CHANGELOG.md
+++ b/packages/order-utils/CHANGELOG.md
@ -5,6 +5,44 @@ Edit the package's CHANGELOG.json file only.
 CHANGELOG
 ## v9.0.0 - _December 2, 2019_
    * [Breaking] Removed `OrderStateUtils`, `OrderValidationUtils`, `ExchangeTransferSimulator` and all abstract and store classes. For order validation, please use the `DevUtils` contract wrapper method `getOrderRelevantState`|`getOrderRelevantStates` (#2324)
    * Removed exports CoordinatorRevertErrors, ExchangeRevertErrors, ForwarderRevertErrors, LibMathRevertErrors, orderHashUtils, orderParsingUtils, StakingRevertErrors and transactionHashUtils (#2321)
    * Removed many functions from export signatureUtils (#2321)
    * Removed function isValidOrderHash from export orderHashUtils (#2321)
    * Remove `TransferFailedError` from `ForwarderRevertErrors`. (#2309)
    * All references to network ID have been removed, and references to chain ID have been introduced instead (#2313)
    * Add `chainId` `OrderValidationUtils`, `OrderFactory` (#1742)
    * Update tools to use new `Order` and `ZeroExTransaction` structure (#1742)
    * Update domain schema for Exchange and Coordinator (#1742)
    * Add Exchange `RevertError` types to `ExchangeRevertErrors` (#1761)
    * Add `SignatureOrderValidatorError` type to `ExchangeRevertErrors` (#1774)
    * Add `SignatureWalletOrderValidatorError` type to `ExchangeRevertErrors` (#1774)
    * Reorder parameters of some `RevertError` types to match smart contracts. (#1790)
    * Use arbitrary fee tokens instead of ZRX (ZEIP-28) for tools needed by contracts packages. (#1819)
    * Update `RevertError` types for new base constructor (#1819)
    * Add `Expired` TransactionErrorCode (#1832)
    * Add `expirationTimeSeconds` to `ZeroExTransaction` parameters used for hashing (#1832)
    * Add `validator` field to `SignatureValidatorError` `RevertError` types. (#1885)
    * Remove unused `RevertError` types. (#1885)
    * Add `ExchangeRevertErrors.SignatureErrorCode.InvalidSigner`. (#2042)
    * Add `takerAssetFillAmount` field to `IncompleteFillError` type (#2075)
    * Update `IncompleteFillError` to take an `errorCode`, `expectedAssetFillAmount`, and `actualAssetFillAmount` fields. (#2075)
    * Add EIP712 types for Staking (#1910)
    * Add `InvalidCobbDouglasAlphaError` `RevertError` type to `StakingRevertErrors` (#2109)
    * Rename `OperatorShareMustBeBetween0And100Error` `RevertError` type to `InvalidPoolOperatorShareError`. (#2109)
    * Add `TransactionGasPriceError` and `TransactionInvalidContextError` to error registry. (#2109)
    * Add `EthVaultNotSetError, `RewardVaultNotSetError`, and `InvalidStakeStatusError` to error registry. (#2118)
    * Add `InvalidStakeStatusError` to error registry. (#2126)
    * Add `InitializationError`, `InvalidParamValue` to `StakingRevertErrors`. (#2131)
    * Add `CumulativeRewardIntervalError`. (#2154)
    * Remove `validateOrderFillableOrThrowAsync`, `simpleValidateOrderFillableOrThrowAsync`, `validateMakerTransferThrowIfInvalidAsync` (#2181)
    * Add `PreviousEpochNotFinalizedError` to `StakingRevertErrors`. (#2155)
    * Add `InvalidMinimumPoolStake` to `StakingRevertErrors.InvalidParamValueErrorCode`. (#2155)
    * Renamed `OnlyCallableByPoolOperatorOrMakerError` to `OnlyCallableByPoolOperatorError`. (#2250)
    * Removed protocol fee != 0 error. (#2278)
 ## v8.5.0-beta.4 - _December 2, 2019_
    * Dependencies updated
--- a/packages/orderbook/CHANGELOG.json
+++ b/packages/orderbook/CHANGELOG.json
@ -14,7 +14,8 @@
                "note": "All references to network ID have been removed, and references to chain ID have been introduced instead",
                "pr": 2313
            }
-        ]
+        ],
        "timestamp": 1575296764
    },
    {
        "version": "0.1.0-beta.4",
--- a/packages/orderbook/CHANGELOG.md
+++ b/packages/orderbook/CHANGELOG.md
@ -5,6 +5,12 @@ Edit the package's CHANGELOG.json file only.
 CHANGELOG
 ## v1.0.0 - _December 2, 2019_
    * Added dependency on @0x/contracts-dev-utils (#2321)
    * Update Mesh RPC logic to v6.0.1-beta (#2325)
    * All references to network ID have been removed, and references to chain ID have been introduced instead (#2313)
 ## v0.1.0-beta.4 - _December 2, 2019_
    * Dependencies updated
--- a/packages/sol-compiler/CHANGELOG.json
+++ b/packages/sol-compiler/CHANGELOG.json
@ -14,7 +14,8 @@
                "note": "Convert `getContractNamesToCompile` to public function of `Compiler` class",
                "pr": 2055
            }
-        ]
+        ],
        "timestamp": 1575296764
    },
    {
        "version": "3.2.0-beta.4",
--- a/packages/sol-compiler/CHANGELOG.md
+++ b/packages/sol-compiler/CHANGELOG.md
@ -5,6 +5,12 @@ Edit the package's CHANGELOG.json file only.
 CHANGELOG
 ## v4.0.0 - _December 2, 2019_
    * Add `shouldSaveStandardInput` config (#2322)
    * Output artifacts now include a 'chains' attribute rather than 'networks' (#2313)
    * Convert `getContractNamesToCompile` to public function of `Compiler` class (#2055)
 ## v3.2.0-beta.4 - _December 2, 2019_
    * Dependencies updated
--- a/packages/sol-coverage/CHANGELOG.json
+++ b/packages/sol-coverage/CHANGELOG.json
@ -5,7 +5,8 @@
            {
                "note": "Dependencies updated"
            }
-        ]
+        ],
        "timestamp": 1575296764
    },
    {
        "version": "3.1.0-beta.4",
--- a/packages/sol-coverage/CHANGELOG.md
+++ b/packages/sol-coverage/CHANGELOG.md
@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 CHANGELOG
 ## v4.0.0 - _December 2, 2019_
    * Dependencies updated
 ## v3.1.0-beta.4 - _December 2, 2019_
    * Dependencies updated
--- a/packages/sol-doc/CHANGELOG.json
+++ b/packages/sol-doc/CHANGELOG.json
@ -5,7 +5,8 @@
            {
                "note": "Dependencies updated"
            }
-        ]
+        ],
        "timestamp": 1575296764
    },
    {
        "version": "2.1.0-beta.4",
--- a/packages/sol-doc/CHANGELOG.md
+++ b/packages/sol-doc/CHANGELOG.md
@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 CHANGELOG
 ## v3.0.0 - _December 2, 2019_
    * Dependencies updated
 ## v2.1.0-beta.4 - _December 2, 2019_
    * Dependencies updated
--- a/packages/sol-profiler/CHANGELOG.json
+++ b/packages/sol-profiler/CHANGELOG.json
@ -5,7 +5,8 @@
            {
                "note": "Dependencies updated"
            }
-        ]
+        ],
        "timestamp": 1575296764
    },
    {
        "version": "3.2.0-beta.4",
--- a/packages/sol-profiler/CHANGELOG.md
+++ b/packages/sol-profiler/CHANGELOG.md
@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 CHANGELOG
 ## v4.0.0 - _December 2, 2019_
    * Dependencies updated
 ## v3.2.0-beta.4 - _December 2, 2019_
    * Dependencies updated
--- a/packages/sol-resolver/CHANGELOG.json
+++ b/packages/sol-resolver/CHANGELOG.json
@ -5,7 +5,8 @@
            {
                "note": "Dependencies updated"
            }
-        ]
+        ],
        "timestamp": 1575296764
    },
    {
        "version": "2.1.0-beta.3",
--- a/packages/sol-resolver/CHANGELOG.md
+++ b/packages/sol-resolver/CHANGELOG.md
@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 CHANGELOG
 ## v3.0.0 - _December 2, 2019_
    * Dependencies updated
 ## v2.1.0-beta.3 - _December 2, 2019_
    * Dependencies updated
--- a/packages/sol-trace/CHANGELOG.json
+++ b/packages/sol-trace/CHANGELOG.json
@ -5,7 +5,8 @@
            {
                "note": "Dependencies updated"
            }
-        ]
+        ],
        "timestamp": 1575296764
    },
    {
        "version": "2.1.0-beta.4",
--- a/packages/sol-trace/CHANGELOG.md
+++ b/packages/sol-trace/CHANGELOG.md
@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 CHANGELOG
 ## v3.0.0 - _December 2, 2019_
    * Dependencies updated
 ## v2.1.0-beta.4 - _December 2, 2019_
    * Dependencies updated
--- a/packages/sol-tracing-utils/CHANGELOG.json
+++ b/packages/sol-tracing-utils/CHANGELOG.json
@ -5,7 +5,8 @@
            {
                "note": "Dependencies updated"
            }
-        ]
+        ],
        "timestamp": 1575296764
    },
    {
        "version": "6.1.0-beta.4",
--- a/packages/sol-tracing-utils/CHANGELOG.md
+++ b/packages/sol-tracing-utils/CHANGELOG.md
@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 CHANGELOG
 ## v7.0.0 - _December 2, 2019_
    * Dependencies updated
 ## v6.1.0-beta.4 - _December 2, 2019_
    * Dependencies updated
--- a/packages/sra-spec/CHANGELOG.json
+++ b/packages/sra-spec/CHANGELOG.json
@ -6,7 +6,8 @@
                "note": "All references to network ID have been removed, and references to chain ID have been introduced instead",
                "pr": 2313
            }
-        ]
+        ],
        "timestamp": 1575296764
    },
    {
        "version": "2.1.0-beta.3",
--- a/packages/sra-spec/CHANGELOG.md
+++ b/packages/sra-spec/CHANGELOG.md
@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 CHANGELOG
 ## v3.0.0 - _December 2, 2019_
    * All references to network ID have been removed, and references to chain ID have been introduced instead (#2313)
 ## v2.1.0-beta.3 - _December 2, 2019_
    * Dependencies updated
--- a/packages/subproviders/CHANGELOG.json
+++ b/packages/subproviders/CHANGELOG.json
@ -6,7 +6,8 @@
                "note": "Adds DebugSubprovider",
                "pr": 2329
            }
-        ]
+        ],
        "timestamp": 1575296764
    },
    {
        "version": "5.1.0-beta.3",
--- a/packages/subproviders/CHANGELOG.md
+++ b/packages/subproviders/CHANGELOG.md
@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 CHANGELOG
 ## v6.0.0 - _December 2, 2019_
    * Adds DebugSubprovider (#2329)
 ## v5.1.0-beta.3 - _December 2, 2019_
    * Dependencies updated
--- a/packages/tslint-config/CHANGELOG.json
+++ b/packages/tslint-config/CHANGELOG.json
@ -5,7 +5,8 @@
            {
                "note": "Dependencies updated"
            }
-        ]
+        ],
        "timestamp": 1575296764
    },
    {
        "version": "3.1.0-beta.2",
--- a/packages/tslint-config/CHANGELOG.md
+++ b/packages/tslint-config/CHANGELOG.md
@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 CHANGELOG
 ## v4.0.0 - _December 2, 2019_
    * Dependencies updated
 ## v3.1.0-beta.2 - _November 17, 2019_
    * Dependencies updated
--- a/packages/types/CHANGELOG.json
+++ b/packages/types/CHANGELOG.json
@ -30,7 +30,8 @@
                "note": "Add `ERC20Bridge` to `AssetProxyId`",
                "pr": 2220
            }
-        ]
+        ],
        "timestamp": 1575296764
    },
    {
        "version": "2.5.0-beta.3",
--- a/packages/types/CHANGELOG.md
+++ b/packages/types/CHANGELOG.md
@ -5,6 +5,16 @@ Edit the package's CHANGELOG.json file only.
 CHANGELOG
 ## v3.0.0 - _December 2, 2019_
    * Remove `SendTransactionOpts` and `AwaitTransactionSuccessOpts` types and move them to @0x/base-contracts (#2325)
    * Add `SendTransactionOpts` and `AwaitTransactionSuccessOpts` types for contract wrappers (#2243)
    * All references to network ID have been removed, and references to chain ID have been introduced instead (#2313)
    * Add `OrderStatus` type (#1761)
    * Add `OrderInfo`, `FillResults`, `MatchedFillResults`, `BatchMatchedFillResults` types (#2031)
    * Add status types for Staking contracts (#1910)
    * Add `ERC20Bridge` to `AssetProxyId` (#2220)
 ## v2.5.0-beta.3 - _December 2, 2019_
    * Dependencies updated
--- a/packages/typescript-typings/CHANGELOG.json
+++ b/packages/typescript-typings/CHANGELOG.json
@ -6,7 +6,8 @@
                "note": "Add types for `@0x/dev-utils` chai helpers in `types/@0x`",
                "pr": 1761
            }
-        ]
+        ],
        "timestamp": 1575296764
    },
    {
        "version": "4.4.0-beta.2",
--- a/packages/typescript-typings/CHANGELOG.md
+++ b/packages/typescript-typings/CHANGELOG.md
@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 CHANGELOG
 ## v5.0.0 - _December 2, 2019_
    * Add types for `@0x/dev-utils` chai helpers in `types/@0x` (#1761)
 ## v4.4.0-beta.2 - _November 17, 2019_
    * Dependencies updated
--- a/packages/utils/CHANGELOG.json
+++ b/packages/utils/CHANGELOG.json
@ -50,7 +50,8 @@
                "note": "Rename `length` field of `AuthorizableRevertErrors.IndexOutOfBoundsError` type to `len`.",
                "pr": 2109
            }
-        ]
+        ],
        "timestamp": 1575296764
    },
    {
        "version": "4.6.0-beta.3",
--- a/packages/utils/CHANGELOG.md
+++ b/packages/utils/CHANGELOG.md
@ -5,6 +5,21 @@ Edit the package's CHANGELOG.json file only.
 CHANGELOG
 ## v5.0.0 - _December 2, 2019_
    * Re-export all `RevertErrors` (#2362)
    * Removed exports AuthorizableRevertErrors, LibAddressArrayRevertErrors, LibBytesRevertErrors, OwnableRevertErrors, ReentrancyGuardRevertErrors and SafeMathRevertErrors (#2321)
    * Decode `Parity` revert errors (#2341)
    * Update BigNumber version to ~9.0.0 (#2342)
    * Consolidated FixedMathRevertErrors (#2255)
    * Changed provider_utils.providerUtils.getChainIdAsync() to invoke RPC method eth_chainId rather than net_version (#2270)
    * Allow for array types in `RevertError`s. (#2075)
    * Have Ganache `Error` -> `RevertError` coercion fail if it can't look up the selector. (#2109)
    * Add `LibFixedMath` `RevertError` types. (#2109)
    * Add `RawRevertError` `RevertError` type. (#2109)
    * Make `RevertError.decode()` optionally return a `RawRevertError` if the selector is unknown. (#2109)
    * Rename `length` field of `AuthorizableRevertErrors.IndexOutOfBoundsError` type to `len`. (#2109)
 ## v4.6.0-beta.3 - _December 2, 2019_
    * Re-export all `RevertErrors` (#2362)
--- a/packages/web3-wrapper/CHANGELOG.json
+++ b/packages/web3-wrapper/CHANGELOG.json
@ -6,7 +6,8 @@
                "note": "Let `toBaseUnitAmount()` accept a `number`",
                "pr": 1819
            }
-        ]
+        ],
        "timestamp": 1575296764
    },
    {
        "version": "6.1.0-beta.3",
--- a/packages/web3-wrapper/CHANGELOG.md
+++ b/packages/web3-wrapper/CHANGELOG.md
@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 CHANGELOG
 ## v7.0.0 - _December 2, 2019_
    * Let `toBaseUnitAmount()` accept a `number` (#1819)
 ## v6.1.0-beta.3 - _December 2, 2019_
    * Dependencies updated
--- a/yarn.lock
+++ b/yarn.lock
@ -657,6 +657,17 @@
    ethereum-types "^2.2.0-beta.2"
    ethers "~4.0.4"
 "@0x/assert@2.2.0-beta.2":
  version "2.2.0-beta.2"
  resolved "https://registry.yarnpkg.com/@0x/assert/-/assert-2.2.0-beta.2.tgz#de78c0bb2c9eff263df5bbe743fe73f19ca9c3bd"
  integrity sha512-30i5fQ2kqejMkLHMrmqTsZedrJ3DR1KKdO6/CfEtP0wN7eF198yIm1VBHsXGRBWcS+1yCd076qbyj0h2X2Deng==
  dependencies:
    "@0x/json-schemas" "^4.1.0-beta.2"
    "@0x/typescript-typings" "^4.4.0-beta.2"
    "@0x/utils" "^4.6.0-beta.2"
    lodash "^4.17.11"
    valid-url "^1.0.9"
 "@0x/contract-addresses@3.3.0-beta.3":
  version "3.3.0-beta.3"
  resolved "https://registry.yarnpkg.com/@0x/contract-addresses/-/contract-addresses-3.3.0-beta.3.tgz#0fa8ad47e22aecdb99f9a044ba3c705c4173b61e"
@ -713,6 +724,16 @@
    typeorm "0.2.7"
    websocket "^1.0.25"
 "@0x/json-schemas@4.1.0-beta.2":
  version "4.1.0-beta.2"
  resolved "https://registry.yarnpkg.com/@0x/json-schemas/-/json-schemas-4.1.0-beta.2.tgz#79d05d0c91525e2356f783dae5e572dd3624969f"
  integrity sha512-GWLAC4GlcRcn3ct+0wV/ppey+M9bnfnznB1fFcBWS7qmjM0iq36ex3DP48MJroWLWwUiXIWHrAZkp5QCAlc3FA==
  dependencies:
    "@0x/typescript-typings" "^4.4.0-beta.2"
    "@types/node" "*"
    jsonschema "^1.2.0"
    lodash.values "^4.3.0"
 "@0x/mesh-rpc-client@^7.0.4-beta-0xv3":
  version "7.0.4-beta-0xv3"
  resolved "https://registry.yarnpkg.com/@0x/mesh-rpc-client/-/mesh-rpc-client-7.0.4-beta-0xv3.tgz#5e933a0b9cf20ca900f309fc4adee03b081eb335"
@ -748,6 +769,34 @@
    ethers "~4.0.4"
    lodash "^4.17.11"
 "@0x/subproviders@5.1.0-beta.2":
  version "5.1.0-beta.2"
  resolved "https://registry.yarnpkg.com/@0x/subproviders/-/subproviders-5.1.0-beta.2.tgz#020369711330755448397b3b8cecf2868ae7c54c"
  integrity sha512-Nk8iSlR95Zo6L1tq2tHLKupX5bCD/NlxQ/KKli4qyAawyxuXQcQbl8flUApJFd+BYY7mghLDwY5u4o8CCR56Nw==
  dependencies:
    "@0x/assert" "^2.2.0-beta.2"
    "@0x/types" "^2.5.0-beta.2"
    "@0x/typescript-typings" "^4.4.0-beta.2"
    "@0x/utils" "^4.6.0-beta.2"
    "@0x/web3-wrapper" "^6.1.0-beta.2"
    "@ledgerhq/hw-app-eth" "^4.3.0"
    "@ledgerhq/hw-transport-u2f" "4.24.0"
    "@types/hdkey" "^0.7.0"
    "@types/web3-provider-engine" "^14.0.0"
    bip39 "^2.5.0"
    bn.js "^4.11.8"
    ethereum-types "^2.2.0-beta.2"
    ethereumjs-tx "^1.3.5"
    ethereumjs-util "^5.1.1"
    ganache-core "^2.6.0"
    hdkey "^0.7.1"
    json-rpc-error "2.0.0"
    lodash "^4.17.11"
    semaphore-async-await "^1.5.1"
    web3-provider-engine "14.0.6"
  optionalDependencies:
    "@ledgerhq/hw-transport-node-hid" "^4.3.0"
 "@0x/ts-doc-gen@^0.0.22":
  version "0.0.22"
  resolved "https://registry.yarnpkg.com/@0x/ts-doc-gen/-/ts-doc-gen-0.0.22.tgz#c9c215899695dcd4320a1711291be40050ddbc0e"
@ -761,6 +810,15 @@
    typedoc-plugin-markdown "^2.1.0"
    yargs "^10.0.3"
 "@0x/types@2.5.0-beta.2":
  version "2.5.0-beta.2"
  resolved "https://registry.yarnpkg.com/@0x/types/-/types-2.5.0-beta.2.tgz#19d8bda61d5c1b1febc569d30dc8e7bf764d38f9"
  integrity sha512-/7+n09z1dngIN7Kw7L+nleGe0+YXCT4O0VzTihZj6Z2vVHCt+Wo4q1ma9r11vviv07tmqglyw7QbYAfTHIz8Ew==
  dependencies:
    "@types/node" "*"
    bignumber.js "~9.0.0"
    ethereum-types "^2.2.0-beta.2"
 "@0x/types@^2.4.3":
  version "2.4.3"
  resolved "https://registry.npmjs.org/@0x/types/-/types-2.4.3.tgz#ea014889789e9013fdf48ce97b79f2c016e10fb3"
@ -779,6 +837,25 @@
    ethereum-types "^2.1.6"
    popper.js "1.14.3"
 "@0x/utils@4.6.0-beta.2":
  version "4.6.0-beta.2"
  resolved "https://registry.yarnpkg.com/@0x/utils/-/utils-4.6.0-beta.2.tgz#ffa70f05736a74ac8d7ca5debe01bff7e6d8f073"
  integrity sha512-HjewJF4Ibsizh6oWZZxdVxeNc9mGgjdwTCVp/Xj2k9GN6GI8m8EKiowk4Db86wG0/B6y0PDK+985rZ3dtc3MLQ==
  dependencies:
    "@0x/types" "^2.5.0-beta.2"
    "@0x/typescript-typings" "^4.4.0-beta.2"
    "@types/node" "*"
    abortcontroller-polyfill "^1.1.9"
    bignumber.js "~9.0.0"
    chalk "^2.3.0"
    detect-node "2.0.3"
    ethereum-types "^2.2.0-beta.2"
    ethereumjs-util "^5.1.1"
    ethers "~4.0.4"
    isomorphic-fetch "2.2.1"
    js-sha3 "^0.7.0"
    lodash "^4.17.11"
 "@0x/utils@^4.3.3":
  version "4.5.2"
  resolved "https://registry.npmjs.org/@0x/utils/-/utils-4.5.2.tgz#6cc89f2d0dda341e0fb4e76049a35abfb67a4ac5"
@ -813,6 +890,20 @@
    websocket "^1.0.28"
    xhr2-cookies "1.1.0"
 "@0x/web3-wrapper@6.1.0-beta.2":
  version "6.1.0-beta.2"
  resolved "https://registry.yarnpkg.com/@0x/web3-wrapper/-/web3-wrapper-6.1.0-beta.2.tgz#24aae8a0063057ebb6d3a7893a01d0abac8cd19c"
  integrity sha512-XTurMsspRe089KybRbaEDUce/p25LjHBuGh5zMWb6OWctIoD7iJ2QHJOoH5AMJMlXObTO3CFwpwybbDmlbaKGQ==
  dependencies:
    "@0x/assert" "^2.2.0-beta.2"
    "@0x/json-schemas" "^4.1.0-beta.2"
    "@0x/typescript-typings" "^4.4.0-beta.2"
    "@0x/utils" "^4.6.0-beta.2"
    ethereum-types "^2.2.0-beta.2"
    ethereumjs-util "^5.1.1"
    ethers "~4.0.4"
    lodash "^4.17.11"
 "@0xproject/npm-cli-login@^0.0.11":
  version "0.0.11"
  resolved "https://registry.yarnpkg.com/@0xproject/npm-cli-login/-/npm-cli-login-0.0.11.tgz#3f1ec06112ce62aad300ff0575358f68aeecde2e"