Weekly Dev Update #85

2021-03-15 — 4 min read

Summary

The last multichain testnet was shutdown and relaunched after a significant bug on the Ethereum chain caused the vaults to go partially insolvent, as well as several other compounded issues. The chain also needed a hard fork to get the latest asset naming conventions included. The chain *could* have been recovered, but the team decided for a clean start since maintaining versioning code creates additional entropy.

The team are internally testing the newest multichain testnet until it is stable, then will invite public nodes again. If this testnet is proven to be stable, it will be taken to chaosnet. All interfaces are ready, and Midgard is also ready, so it’s now down to testing and stablity.

Multichain Releases V0.29–0.30

As bugs are found on Testnet, they are deployed rapidly via the upgrade process, the following releases:

Version 0.29

1. Relax memo to 250 bytes and enforce it in bifrost , at the moment memo cap at 140 bytes, longer than that will be rejected by thorchain. PR (https://gitlab.com/thorchain/thornode/-/merge_requests/1535)
2. Errata for outbound tx , if an outbound tx get re-org out of external chain , reschedule tx . PR (https://gitlab.com/thorchain/thornode/-/merge_requests/1533)
3. Add “EventPoolBalanceChanged” event, which will be emitted when pool balance get changed due to network’s internal activity, for example when network burn dust left on retiring vault or charge pool stage cost.
PR (https://gitlab.com/thorchain/thornode/-/merge_requests/1536 )

Version 0.30

1. Not refund ERC20 RUNE , as ERC20 RUNE has been burned as soon as it reach router contract , also use migration to remove a stucked tx out item . PR: https://gitlab.com/thorchain/thornode/-/merge_requests/1538
2. Bifrost report Errata for (BTC/BCH/LTC) as a mistake , also it fail detect re-org on ETH chain PR:https://gitlab.com/thorchain/thornode/-/merge_requests/1537

Multichain Resources

Midgard: https://testnet.midgard.thorchain.info

THORNode: https://testnet.thornode.thorchain.info

RPC: https://testnet.rpc.thorchain.info

(https://cosmos.network/rpc/v0.37.9)

Seed Service: https://testnet.seed.thorchain.info

THORNode

Several bugs around handling Ethereum re-orgs (which happens frequently) were pushed into V0.30. Stage pool events were also added to allow Midgard to track deductions in RUNE from the staged pools. A security edge case around node unbonding and potential re-orged chains were addressed by blocking rapid node unbonds (a node could return assets, then immediately re-org it back, then unbond and leave). Synths were renamed to simply BTC/BTC ETH/ETH where the slash (instead of . ) indicates a synth.

Lastly, the significant bug, a blockscanner retry loop causes outbound transactions to be signed and sent, but not observed. This caused outbounds to be continually duplicated, causing solvency problems. This was fixed. The chain was exported to include existing RUNE balances, and re-launched.

Midgard

Work continues to update Midgard V2 to handle Multichain requirements. The new work was to include StagePoolFees .

XChainJS

Stability and fixes for Asgardex requirements.

https://xchainjs.org

Bridges

Actively-developed bridges will be reported here going forward. Bridges are commissioned once a team who can implement is identified and work begins.

Complete

Bitcoin: Deployed to testnet
Ethereum: Deployed to testnet
BitcoinCash: Deployed to testnet
Litecoin: Deployed to testnet

UTXO Chains

Dogecoin: Complete, will be activated after MCCN
ZCash: Scoped, rain-checked

Cryptonote

Haven: MSS complete, rain-checked until after MCCN since the MCTN is demanding resources to stabilise.
Monero: Pending Haven implementation

Custom

Cardano — Scoping
Polkadot: Demo’d, rain-checked until after MCCN since the MCTN is demanding resources to stabilise.
Avalanche: Rain-checked
Zilliqa: Scoped, rain-checked

EVM Chains

Binance Smart Chain: Likely after MCCN
Ethereum Classic: Rain-checked
Rootstock: Rain-checked
Arbitrum: Rain-checked

IBC

Pending IBC integration — Cosmos, Terra, Kava, Secret Network, Injective Protocol, Sifchain, Akash Network

Clients

BEPSwap Client

Numerous UI/UX tweaks based on community feedback

ASGARDEX Client

Work continues to prepare the client for Multichain Chaosnet. V0.0.7 was released and includes BCH and many UX fixes.

ASGARD.EXCHANGE

Litecoin and BitcoinCash were integrated.

Community Work

The following tools receive regular updates:

Telegram Bot

@thornode_testnet_bot

@thornode_chaosnet_bot

Twitter Bot

https://twitter.com/thor_bot

Delphi Defi Dashboard

Upcoming Release for the Dashboard

https://defi.delphidigital.io/thorchain/chaosnet/network

THORChain Network Explorer

Continual Improvements, now with custom sub-domains for each net:

https://thorchain.net/

https://testnet.thorchain.net/

https://multichain-testnet.thorchain.net/

THORChain Official Block Explorer

https://viewblock.io/thorchain

https://dash.viewblock.io/d/thorchain

RUNEData

View historical yield and simulate future yield in pools:

http://www.runedata.info/

RUNEBalance

View current arbitrage opportunities in the pools. New card-style overviews.

https://www.runebalance.com/#/pools

RUNEStake && RUNEYield

RUNEStake can be used to see yield in THORChain liquidity pools.

https://runestake.info/

https://app.runeyield.info/wallet/walletlist

Trading Leaderboard

View the current leaderboard for traders on THORChain

https://leaderboard.thornode.org/

GrassRootsCrypto Youtube

GrassRootsCrypto consistently puts out great educational videos on THORChain, users should subscribe and bookmark the channel.

https://www.youtube.com/channel/UCuC_PiCEsNIT6HH88r7vCsw/videos

Next Milestones

1 week of internal testing, 1 week of public testing is the absolute minimum timeline to reach MCCN by end of month. Likelihood of delays is high. Pray to Odin for a smooth launch.