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lotus/CHANGELOG.md
Aayush Rajasekaran dea7042668 Lotus version 0.9.0
2020-10-07 23:09:08 -04:00

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Lotus changelog

0.9.0 / 2020-10-07

This consensus-breaking release of Lotus upgrades the actors version to v2.0.0. This requires migrating actor state from v0 to v2. The changes that break consensus are:

Changes

Dependencies

Core Lotus

Mining

UX

Tooling and validation

Contributors

The following contributors had 5 or more commits go into this release. We are grateful for every contribution!

Contributor Commits Lines ±
Stebalien 84 +3425/-2287
magik6k 41 +2121/-506
arajasek 39 +2467/-424
Kubuxu 25 +2344/-775
raulk 21 +287/-196
whyrusleeping 13 +727/-71
hsanjuan 13 +5886/-7956
dirkmc 11 +2634/-576
travisperson 8 +923/-202
ribasushi 6 +188/-128
zgfzgf 5 +21/-17

0.8.1 / 2020-09-30

This optional release of Lotus introduces a new version of markets which switches to CBOR-map encodings, and allows datastore migrations. The release also introduces several improvements to the mining process, a few performance optimizations, and a battery of UX additions and enhancements.

Changes

Dependencies

Core Lotus

Performance

Mining

UX

Tooling

Bootstrap

0.8.0 / 2020-09-26

This consensus-breaking release of Lotus introduces an upgrade to the network. The changes that break consensus are:

This release also updates go-fil-markets to fix an incompatibility issue between v0.7.2 and earlier versions.

Changes

Dependencies

Core Lotus

UX

Tooling and validation

Contributors

The following contributors had 5 or more commits go into this release. We are grateful for every contribution!

Contributor Commits Lines ±
arajasek 66 +3140/-1261
Stebalien 64 +3797/-3434
magik6k 48 +1892/-976
raulk 40 +2412/-1549
vyzo 22 +287/-196
alanshaw 15 +761/-146
whyrusleeping 15 +736/-52
hannahhoward 14 +1237/-837
anton 6 +32/-8
travisperson 5 +502/-6
Frank 5 +78/-39
Jennifer 5 +148/-41

0.7.2 / 2020-09-23

This optional release of Lotus introduces a major refactor around how a Lotus node interacts with code from the specs-actors repo. We now use interfaces to read the state of actors, which is required to be able to reason about different versions of actors code at the same time.

Additionally, this release introduces various improvements to the sync process, as well as changes to better the overall UX experience.

Changes

Core Lotus

User Experience

Testing and validation

0.7.1 / 2020-09-17

This optional release of Lotus introduces some critical fixes to the window PoSt process. It also upgrades some core dependencies, and introduces many improvements to the mining process, deal-making cycle, and overall User Experience.

Changes

Some notable improvements:

Dependencies

0.7.0 / 2020-09-10

This consensus-breaking release of Lotus is designed to test a network upgrade on the space race testnet. The changes that break consensus are:

  • Upgrading the Drand network used from the test Drand network to the League of Entropy main drand network. This is the same Drand network that will be used in the Filecoin mainnet.
  • Upgrading to specs-actors v0.9.8, which adds a new method to the Multisig actor.

Changes

Core Lotus

Storage Miner

Message pool

Maintenance

Contributors

The following contributors had commits go into this release. We are grateful for every contribution!

Contributor Commits Lines ±
arajasek 28 +1144/-239
Kubuxu 19 +452/-261
whyrusleeping 13 +456/-87
vyzo 11 +318/-20
raulk 10 +1289/-350
magik6k 6 +188/-55
dirkmc 3 +31/-8
alanshaw 3 +176/-37
Stebalien 2 +9/-12
lanzafame 1 +1/-1
frrist 1 +1/-1
mishmosh 1 +1/-1
nonsense 1 +1/-0

0.6.2 / 2020-09-09

This release introduces some critical fixes to message selection and gas estimation logic. It also adds the ability for nodes to mark a certain tipset as checkpointed, as well as various minor improvements and bugfixes.

Changes

Messagepool

Core Lotus

Storage

Maintenance

0.6.1 / 2020-09-08

This optional release introduces a minor improvement to the sync process, ensuring nodes don't fall behind and then resync.

Changes

0.6.0 / 2020-09-07

This consensus-breaking release of Lotus is designed to test a network upgrade on the space race testnet. The changes that break consensus are:

This release also introduces many improvements to Lotus! Among them are a new version of go-fil-markets that supports non-blocking retrieval, various spam reduction measures in the messagepool and p2p logic, and UX improvements to payment channels, dealmaking, and state inspection.

Changes

Core Lotus and dependencies

Messagepool

Payment channels

Peer-to-peer

Miscellaneous

UX

Testing & tooling

0.5.10 / 2020-09-03

This patch includes a crucial fix to the message pool selection logic, strongly disfavouring messages that might cause a miner penalty.

Changes

0.5.9 / 2020-09-03

This patch includes a hotfix to the GasEstimateFeeCap method, capping the estimated fee to a reasonable level by default.

Changes

0.5.8 / 2020-09-02

This patch includes some bugfixes to the sector sealing process, and updates go-fil-markets. It also improves the performance of blocksync, adds a method to export chain state trees, and improves chainwatch.

Changes

0.5.7 / 2020-08-31

This patch release includes some bugfixes and enhancements to the sector lifecycle and message pool logic.

Changes

0.5.6 / 2020-08-29

Hotfix release that fixes a panic in the sealing scheduler (https://github.com/filecoin-project/lotus/pull/3389).

0.5.5

This patch release introduces a large number of improvements to the sealing process. It also updates go-fil-markets to version 0.5.8, and go-libp2p-pubsub to v0.3.5.

Downstream upgrades

Sector sealing

  • The following improvements were introduced in https://github.com/filecoin-project/lotus/pull/3350.

    • Allow lotus-miner sectors remove to remove a sector in any state.
    • Create a separate state in the storage FSM dedicated to submitting the Commit message.
    • Recovery for when the Deal IDs of deals in a sector get changed in a reorg.
    • Auto-retry sending Precommit and Commit messages if they run out of gas
    • Auto-retry sector remove tasks when they fail
    • Compact worker windows, and allow their tasks to be executed in any order

  • Don't simply skip PoSt for bad sectors (https://github.com/filecoin-project/lotus/pull/3323)

Message Pool

Chainwatch

0.5.4

A patch release, containing a few nice bugfixes and improvements:

  • Fix parsing of peer ID in lotus-miner actor set-peer-id (@whyrusleeping)
  • Update dependencies, fixing several bugs (@Stebalien)
  • Fix remaining linter warnings (@Stebalien)
  • Use safe string truncation (@Ingar)
  • Allow tweaking of blocksync message window size (@whyrusleeping)
  • Add some additional gas stats to metrics (@Kubuxu)
  • Fix an edge case bug in message selection, add many tests (@vyzo)

0.5.3

Yet another hotfix release. A lesson for readers, having people who have been awake for 12+ hours review your hotfix PR is not a good idea. Find someone who has enough slept recently enough to give you good code review, otherwise you'll end up quickly bumping versions again.

  • Fixed a bug in the mempool that was introduced in v0.5.2

0.5.2 / 2020-08-24

This is a hotfix release.

  • Fix message selection to not include messages that are invalid for block inclusion.
  • Improve SelectMessage handling of the case where the message pools tipset differs from our mining base.

0.5.1 / 2020-08-24

The Space Race release! This release contains the genesis car file and bootstrap peers for the space race network.

Additionally, we included two small fixes to genesis creation:

  • Randomize ticket value in genesis generation
  • Correctly set t099 (burnt funds actor) to have valid account actor state

0.5.0 / 2020-08-20

This version of Lotus will be used for the incentivized testnet Space Race competition, and can be considered mainnet-ready code. It includes some protocol changes, upgrades of core dependencies, and various bugfixes and UX/performance improvements.

Highlights

Among the highlights included in this release are:

  • Gas changes: We implemented EIP-1559 and introduced real gas values.
  • Deal-making: We now support "Committed Capacity" sectors, "fast-retrieval" deals, and the packing of multiple deals into a single sector.
  • Renamed features: We renamed some of the binaries, environment variables, and default paths associated with a Lotus node.

Gas changes

We made some significant changes to the mechanics of gas in this release.

Network fee

We implemented something similar to Ethereum's EIP-1559. The Message structure had three changes:

  • The GasPrice field has been removed
  • A new GasFeeCap field has been added, which controls the maximum cost the sender incurs for the message
  • A new GasPremium field has been added, which controls the reward a miner earns for including the message

A sender will never be charged more than GasFeeCap * GasLimit. A miner will typically earn GasPremium * GasLimit as a reward.

The Blockheader structure has one new field, called ParentBaseFee. Informally speaking,the ParentBaseFee is increased when blocks are densely packed with messages, and decreased otherwise.

The ParentBaseFee is used when calculating how much a sender burns when executing a message. Burning simply refers to sending attoFIL to a dedicated, unreachable account. A message causes ParentBaseFee * GasUsed attoFIL to be burnt.

Real gas values

This release also includes our first "real" gas costs for primitive operations. The costs were designed to account for both the time that message execution takes, as well as the space a message adds to the state tree.

Deal-making changes

There are three key changes to the deal-making process.

Committed Capacity sectors

Miners can now pledge "Committed Capacity" (CC) sectors, which are explicitly stated as containing junk data, and must not include any deals. Miners can do this to increase their storage power, and win block rewards from this pledged storage.

They can mark these sectors as "upgradable" with lotus-miner sectors mark-for-upgrade. If the miner receives and accepts one or more storage deals, the sector that includes those deals will replace the CC sector. This is intended to maximize the amount of useful storage on the Filecoin network.

Fast-retrieval deals

Clients can now include a fast-retrieval flag when proposing deals with storage miners. If set to true, the miner will include an extra copy of the deal data. This data can be quickly served in a retrieval deal, since it will not need to be unsealed.

Multiple deals per sector

Miners can now pack multiple deals into a single sector, so long as all the deals fit into the sector capacity. This should increase the packing efficiency of miners.

Renamed features

To improve the user experience, we updated several names to mainatin standard prefixing, and to better reflect the meaning of the features being referenced.

In particular, the Lotus miner binary is now called lotus-miner, the default path for miner data is now ~/.lotusminer, and the environment variable that sets the path for miner data is now $LOTUS_MINER_PATH. A full list of renamed features can be found here.

Changelog

Downstream upgrades

Core protocol

Deal-making lifecycle

Enhancements

UX

Contributors

The following contributors had 10 or more commits go into this release. We are grateful for every contribution!

Contributor Commits Lines ±
magik6k 361 +13197/-6136
Kubuxu 227 +5670/-2587
arajasek 120 +2916/-1264
whyrusleeping 112 +3979/-1089
vyzo 99 +3343/-1305
dirkmc 68 +8732/-3621
laser 45 +1489/-501
hannahhoward 43 +2654/-990
frrist 37 +6630/-4338
schomatis 28 +3016/-1368
placer14 27 +824/-350
raulk 25 +28718/-29849
mrsmkl 22 +560/-368
travisperson 18 +1354/-314
nonsense 16 +2956/-2842
ingar 13 +331/-123
daviddias 11 +311/-11
Stebalien 11 +1204/-980
RobQuistNL 10 +69/-74

0.1.0 / 2019-12-11

We are very excited to release lotus 0.1.0. This is our testnet release. To install lotus and join the testnet, please visit lotu.sh. Please file bug reports as issues.

A huge thank you to all contributors for this testnet release!