Adrian Dobrita
@AdrianDobrita
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Co-Founder & Head of Engineering @MultiversX (Previously Elrond Network)
Joined April 2017
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The Maiar DEX launch has ignited a new growth chapter for
@ElrondNetwork
DeFi, which is reflected in all the key mainnet metrics:
1M+ TXs processed in a day, as we near the 1M accounts milestone.
Internet-scale DeFi is here.
Weekly
#elrondtech
🛠️
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1K
2021 was huge for the
@ElrondNetwork
🌎
Maiar App, Staking 3.5, Maiar Launchpad, Maiar DEX, significant ecosystem expansion, new markets, powerful community stories, remarkable growth on all metrics.
And we’re just getting started.
2022 will be epic.
Weekly
#elrondtech
🛠️
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405
1K
Twispay & Itheum join Utrust & holoride to position the
@ElrondNetwork
ecosystem as a leader in building the Metaverse infrastructure.
Neo banking, Web3 data brokerage,
#web3payments
, immersive VR, all running on metaverse-scale blockchain technology.
Weekly
#elrondtech
🛠️
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The mainnet upgrade that will enable tokens was brought to life by an explosion of productivity.
We continue with the same high energy level towards the Maiar Exchange, Launchpad & NFTs, which will ignite the next growth chapter for the
@ElrondNetwork
⚡️
Weekly
#elrondtech
⬇️
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The
@ElrondNetwork
is opening a new digital economy, where users & creators are globally connected, sharing ideas & economic upside.
Widespread adoption requires a fresh design based on internet-scale performance, decentralization & inexpensive TXs.
💡Preview in
#elrondtech
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New features & optimizations are continuously making their way into the
@ElrondNetwork
protocol, with no compromise to security and robustness.
Thus Web3 innovation can happen uninterrupted and at scale.
Weekly
#elrondtech
🛠️
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Blockchain constitutes a deep cultural shift whereby ownership, transparency, and immutability become universal properties, gradually imbued in all systems.
Elrond has been designed from scratch to fill all the prerequisites of this transition.
Weekly
#elrondtech
🛠️
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The internet’s evolution into a global information & assets distribution network that is monetized fairly requires payments to be embedded into its fabric. The
@ElrondNetwork
protocol is ready to enable that by operating at internet-scale.
Weekly
#elrondtech
🛠️
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The MultiversX Virtual Machine is now the home for 4602 SCs.
Besides a better security design, perhaps the fastest execution environment & low storage fees, it also acts as a built-in funding mechanism via 30% gas fees paid to SC deployers as royalty.
Weekly
#MultiversXtech
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The promise of a new wave of innovation & productivity brought by blockchain tech is closer to reality.
Ecosystems are forming, adoption is accelerating, and value is being created.
W/ the first apps going mainstream, a sudden perception shift will emerge.
Weekly
#elrondtech
🛠️
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With
@MultiversX
,
@xPortalApp
, and the other core applications, we intend to make blockchain technology more widespread by overcoming onboarding hurdles & drastically simplifying the UX.
It's time to take a new step in that direction, with Guardians.
Weekly
#multiversxtech
🛠️
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The coming weeks & months are for fortifying foundational blocks and starting up the growth engine.
2x in throughput, ~50% faster transactions, guardians for account protection and plug-and-play building legos are all in sight for
@MultiversX
.
Weekly
#multiversxtech
🛠️
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Following long months of intense building, we are about to gradually push tons of development from private to public repos.
Building on, using and integrating
#MultiversX
infrastructure. Made significantly better.
Weekly
#multiversxtech
🛠️
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Since many have asked what is the progress on decreasing the time to finality, here it is.
Most of the preparation work is done to remove the confirmation blocks:
- signatures aggregation optimizations - done
- optimistic aggregation w/ penalty for misbehavior - done
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A high impact pain point for the vast majority of blockchain users, elegantly solved by
#MultiversX
Guardians with on-chain 2FA provide users guaranteed security over assets and what's moving out of their wallets.
Weekly
#multiversxtech
🛠️
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Unlocking a completely new level of intuitive security for blockchain wallets.
Bringing Web3 account management with Web2 user experience.
$20,000 in $EGLD to be won.
The Great Heist is on!
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Software stacks formed through the layering of protocols atop one another is a blockchain-accelerated paradigm.
Countless such examples on
#MultiversX
, thanks to the open programmability, standardization at the very native level & global composability.
Weekly
#multiversxtech
🛠️
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Finish line reached for the Sirius voting period. Consensus close to 98%.
A large set of features & improvements are now pending arrival on the MultiversX mainnet.
Big shout out to everyone taking part in this historic moment.
Weekly
#multiversxtech
🛠️
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Light Sunday read on how
@MultiversX
improved and advanced this week with contributions from our team.
Happy Easter to all partners, ecosystem builders and community members who celebrate it today!
Weekly
#multiversxtech
🛠️
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Elrond testing has become increasingly creative, as we start dealing with some significant network numbers:
• 700M tx processed in 10 days (= 3.8 years of Ethereum)
• Hundreds of smart contracts deployed & executed
• Tens of bugs found & fixed
Here's our week in
#elrondtech
👇
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Through rapid iterations & support from our Validators, we've reached a stable version of the public testnet with Smart Contracts, ESDT, meta transactions & smart accounts. Our most complex mainnet upgrade to date will start a new phase for
@ElrondNetwork
Weekly
#elrondtech
👇
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1/ The Maiar DEX has gone live, with the web platform handling more than 15,000 simultaneous connections without issues, while the protocol efficiently dealt with the inevitable load and resulting congestion.
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2/ The Elrond Ethereum bridge v1 has gone live, with $165+ million dollars processed in 8,000+ transactions. V2 of the bridge is in the works, with the main goal to increase the bandwidth and decrease transfer times.
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Staking v4 just got activated on
#MultiversX
mainnet.
This is a significant step towards decentralization.
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Staking V4 documentation is up 📚
Some of the important changes coming & contributing to
@MultiversX
's continued decentralization:
- validator queue removal; open entry consensus
- dynamic auction system
- node limit per validator/sp
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1/ NFTs have been silently added to the Maiar App, as part of an ongoing broader deployment process. The next big step will be thumbnailing all NFT media content and adding it to a persistent database, to increase performance when browsing collections.
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3/ Storage optimizations across the board: a smart contract’s footprint is now 25% smaller, an improvement for the data trie will additionally reduce the size of data saved to storage, and stored pub keys now take 3x less space in proofs.
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#MultiversX
itself incorporates a native inter-chain communication protocol enabling secure transfers between accounts and supporting composable applications distributed across its shards
Today I’ll be in a panel with leading interoperability layers
If you are in Denver come by
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4/ Other notable achievements:
- Fixed several bugs in elrond-ethereum bridge, prepared the configs and tested the new configs
- Fixed one minor bug in the transaction interceptors, improved the trie sync process
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Elrond is the internet scale blockchain, and it's live! The recent public testnet upgrade paves the way for several features to be activated on the mainnet. Get ahead of the curve and delve into the unique capabilities of
@ElrondNetwork
. Weekly
#elrondtech
👇
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5/ - Working on Rust testing framework, which will allow writing SC tests in pure Rust instead of json
- Elrond-Ethereum bridge SCs fixes
- Designing the state machines for bridge v2
- For a multiple header signing proof, each signature is now verified
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22/ "Stay Hungry Stay Foolish" and tune in soon for more of the
#Elrondtech
which powers the
@ElrondNetwork
ecosystem.
Check our progress & get involved ⬇️
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6/ - Upgrade most contracts to newest framework version
- Working on unifying github actions for building, testing and analyzing smart contracts
- Moving commonly used functionality regarding analyzing smart contracts to erdpy (inspecting contract sizes, twiggy analysis etc.)
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7/ - Added erdpy-up CLI option to install from a git branch
- Finalize ESDT integration on Ledger Live CLI
- Add API plugins to recognize Maiar DEX actions
- Launchpad SC deployment preps & tests
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.
@ElrondNetwork
For this week technical update, please read the thread below 👇
TL;DR Lots of work has been done on multiple fronts: game, protocol, VM
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8/ - Create hooks by moving some code from wasm-rs into the VM (get esdt local roles & validate token identifier)
- Searched ways to achieve deterministic Smart Contract compilation
- Fixed a bug that could lead to a deadlock when snapshotting
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10/ - Updated the Elrond Rosetta API framework integration
- Massive review & refactor on the AsyncContext for the upcoming integration into the mainline VM
- Stress testing and logs investigations
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2/ Scheduled Smart Contract calls can now work with the new mechanisms for transactions prefiltering and frontrunning protection, adding some constraints on the MEV especially for the DeFi use cases.
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9/ - Add flag for isWhitelistedStorage on NFTs
- Add pagination on NFT history
- Websocket outport driver concurrent operations improvements
- Prepared whitelisted tokens for Ledger
- Continued work on exposing the ESDT issuance cost metric
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It's happening!
@AudiOfficial
backed
@holoride
is the first amazing startup coming on Maiar Launchpad.
Stake $EGLD for a chance to $RIDE the innovation wave.
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3/ The Maiar DEX now has a price aggregation component that is able to fetch, aggregate and notify other components about a pair's price change, enabling information to be updated in real-time across all interconnected components.
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10/ "Stay Hungry Stay Foolish" and tune in soon for more of the
#Elrondtech
which powers the
@ElrondNetwork
ecosystem. Check our progress & get involved ⬇️
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11/ - Ratings decrease analysis
- Observing squad in kubernetes
- Kubernetes API's stress testing
- Prototyping the use of Rust ownership rules to safely cache storage values during smart contract execution
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17/ - Elrond Web IDE “Playground”:
* notifications updates , adding optional customizable statuses
* Sidebar resize optimization, versions project ids and deploy addresses dynamic shorten per sidebar display size
* adding user wallet connect feature
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12/ - Prototyping a better way of referencing the contract API during execution, which should lead to leaner and cleaner smart contract code
- Upgraded and provided integration tests for several contracts
- Minor fixes in the Mandos code formatter
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15/ -Continued work on indexing genesis delegation transaction, together with the SC results
- Worked on indexing genesis staking transactions & deploy SC transactions
- Proxy deployment ansible playbook update
- Update deployment monitoring job to support all deployment methods
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16/ - Working on system test automation scripts
- Started mini blocks partial execution implementation analysis
- Bug hunting for mixed transactions and pending peer mini blocks
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14/ - General bugfixing and refactoring on slashing
- All proofs now contain necessary data to issue a commitment TX proof
- For a valid multiple header proposal proof, the aggregated leader signature is now also verified
- Stored pub keys in a proof take 3 times less storage
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5/ - Bughunt and tests on Elrond <> Ethereum bridge which led to bug fixes and minor cleanup
- Implemented price fetchers for different exchanges on price aggregator
- Implemented script to deploy lending smart contracts
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21/ - Cleanup return data on multiple stack execution, contract will get the return data only from the child contract, instead of all the merged output return data
- Final reviews and audits on bridge and launchpad smart contracts
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4/ Other notable achievements:
- Update scheduled SC calls with latest changes from the development branch
- Fixes for scheduled SC calls in miniblocks syncer
- Fixed some Elrond <> Ethereum bridge bugs
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13/ - Added unit tests covering different parts of the bootstrap process
- Fixed a bug on an edge case at start in epoch, where the pending and processed miniBlocks list was not constructed correctly and could cause a node to be stuck while syncing
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18/ Playground continued:
* adding open existing project by ID feature
* adding inputs for version notes and displaying containers (to be continued with BE integration)
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20/ - Started working on cleaning up cross shard smart contract results which are only informational, do not have execution call, do not have value transfer or built in function call
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6/ - Upgrade and improve savings account SC
- Various small fixes/improvements on Rust testing framework
- Further user transactions processing investigations and optimizations
- Get account tokens from gateway to avoid inaccurate token balances
1
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19/ - Integration of Big Floats in mandos, plus tons of testing using it to ensure safety
- Big Floats limitations and constraints
- Updates and fixes on Big Float type in elrond-wasm
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7/ - Started integrating price discovery mechanism in DEX SCs
- Started implementation for adding contexts in DEX Farm SC
- Reviews on different other components
- Add database read replicas and monitoring
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9/ - Progress in developing external view contracts
- Finished working on transactions bulk sending component, which is now integrated in node component
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8/ -Continued working on exposing internal header structure on API; implementing simple demo client for reading proto marshalled data from API
-Finalized refactor of SC framework APIs using static contexts
-Some minor contract size improvements using smart managed type references
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Building things with the right principles is more rewarding than going for quick $$
The advantages in architecture performance, deep care for builders, and intuitive user experience put the ecosystem in a unique position. One of the latest examples, xExchange V3, raises the bar in terms of UX: reducing complex DeFi tasks to just one step.
#multiversxtech
🛠️
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Always a pleasure to meet with
@sunnya97
. Yes, zk-IBC is coming, and I would push for both mainnet and sovereign chains.
OGs meet w/
@sunnya97
@AdrianDobrita
@SasuRobert
@serb_daniel
Wen EGLD/OSMO pools?
Wen zk-IBC for MvX sovereign chains?
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1/ The Elrond protocol is being prepared for the next mainnet upgrade, which will include the latest libp2p libraries, for enhanced network connectivity at validator level, among other new features and improvements.
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Just finished the inter-chain security panel. Standardization in communication protocols is a must for creating an inter-connected web3.
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From here the next step would be to reduce the block time from 6s to 3s.
This means adjusting the gas per block and the consensus state machine time constraints which should be simple at this point, and get us another 2x speedup.
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2/ The Utrust UTK token has been added to the Elrond <> Ethereum bridge, which prompted updates to the oracle price aggregator component, to enhance precision and flexibility.
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The time machine is here! (deep history VM queries)
Next release in line is staking v4
mx-chain-go v1.6.18.0 has been released 🔥
This version is fully backwards compatible, optional but recommended.
The most noteworthy addition is the execution of historical VM-queries operations for nodes that have access to a deep history DB.
Notes:
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3/ The NFT related APIs have been upgraded to trigger an automatic metadata update for every smart-contract driven attributes update. There is now a dedicated endpoint for collections at account level.
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7/ - Added support for smart contract interactions in the public microservice template
- Continued research on new MEX economics & governance, stablecoins, and layer 2 scaling solutions
- Developed administration scripts for new Launchpad features
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1/ Metastaking underwent rigorous public testing with invaluable help from the community, who diligently tested each feature of the new product, helped us find & fix remaining issues, & brought a lot of constructive feedback & ideas. Deployment on the mainnet to follow soon.
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Maiar Exchange is ready for launch!
$MEX tokens to be distributed to $EGLD community.
Meet the Maiar Exchange - DeFi for the next billion.
Internet-scale value swaps begin with an epic token distribution: $EGLD owners will be able to claim $MEX tokens.
100% of the supply distributed to the community.
Snapshots begin April 19.
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1K
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18/ "Stay Hungry Stay Foolish" & tune in soon for more of the
#Elrondtech
which powers the
@ElrondNetwork
⚡️ecosystem.
Check our progress & get involved⬇️
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This week we've had the first tests on the consensus version running with the equivalent proofs upgrade that I've discussed about at xDay.
We still need to optimize several parts, but it works and we're one large step closer to delivering the finality improvements.
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Interesting conversations
@MultiversX
Denver Hub powered by
@encodeclub
Just had my presentation “Scaling up for lightning speed”, good vibes everywhere.
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10/ - Optimizations on system test scripts to work with the new repository
- Finalized adding extra gas cost for processing of guarded transactions
- Improvements on account manager elastic setup redundancy
- Multisharded farm tests
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4/ Other notable achievements:- Testing on the ESDT transfer role
- Devnet release D1.3.23.0 & testnet release T1.3.25.0 preparations
- Made updates on governance module from elrond-wasm-modules
- Worked on Growth API
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When the two tasks currently in progress get completed, removing of confirmation blocks would be basically done
These changes would mean 2x speedup of transactions
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6/ - New Swap endpoint with Auto Router (deployed on devnet)
- Bughunt and bugfix for pruning edgecase, on the new version of state snapshots and trie sync, and on peer miniblocks save at epoch start
- Implemented account NFT collections endpoint in API
1
17
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5/ - Integrated the newly created enable epochs config handler into a lot of subcomponents
- Added option on oracles' price fetchers to only request prices for listed pairs
- Bridge Microservice bug fixing
- Launchpad SC refactor & new feature testing
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- equivalent consensus proofs - done
- increasing shard consensus - done
- finality invariants adjustments & testing - in progress
- adjusting the fork choice code - in progress
1
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8/ - Testing metaesdt transfers on ledger live
- Deployed first iteration of the new Maiar DEX metrics service
- Finished some unStaking nodes integration tests scenarios in staking v4
- Started refactoring the soft auction data preparation
- System tests
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2/ The Elrond <> Ethereum Bridge v2 went through the first round of public testing, where again the community were extremely helpful & relentless in their efforts, helping us identify an important topic & subsequent fix.
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9/ - Implemented refresh NFT metadata in API for when attributes update through SC
- Fixes and merges for altered accounts integration tests
- Started Audit with Runtime Verification on Lending SC
- Created erdjs-snippets SC interactors
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15/ - Added a new endpoint that returns NFT collections stats
- Started working on signature verification improvements
- Finalized integration of promises in the smart contract framework
- Lending SC bugfixing & testing
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4/ Other notable achievements:- Developed a new staking smart contract for LKMEX - will be used with the Metabonding SC
- Finished development & testing on Metabonding SC, which will give weekly rewards to users that have EGLD and/or LKMEX staked
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MultiversX progress in numbers below.
I think we can be proud of what we have achieved so far, and more on what is to come.
MultiversX now has:
> 2 payment companies
> 12 core products
> 230+ team members
> 5,300+ nodes
> 30,000+ median daily users
> 300,000+ median daily transactions
> 1,893,600 minutes with 0 downtime
> 17,482,923 EGLD staked
> $400,000,000+ locked in DeFi
> everything it takes to
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11/ - Worked on the Elrond growth part. Written a lot of scripts that extract historical information about the Elrond chain, i.e. the total accounts with a specified balance from genesis
- Worked on a new proposal for a tentative “Staking Phase 3.5” to better align incentives
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1/ The Maiar Exchange SCs now have Events, which generate an item for each important endpoint called by users, reducing pressure on the Observers’ VM. The DEX cache has been refactored, several metrics added.
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10/ - Researched new token economics for the MEX token
- Finished implementation of the optimized version for meta transactions - gasless transaction, the new version costs 3x less
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1/ Today Sirius (v1.6.x of MultiversX protocol release) activates on mainnet 🚀
It comes with a lot of updates, some of which have been under development & testing for over one year, so it is really exciting to see all in production today.
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1/ elrond-go v1.1.50.0 went live on the mainnet, with the Elrond Standard Digital Token model going live at epoch 272. v1.1.51.0 went live in the meantime to address minor issues introduced, & we’re on track for ESDT activation on April 28.
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14/ - Working on our implementation of the Rosetta API
- Infrastructure monitoring, dashboards and alerting improvements
- Added NFT token definition in erdjs
- Further tests & fixes on the alpha version of the Stablecoin SC
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18/ - Added an incentive program on Ad-Astra Portal
- Started implementing an endpoint for getting several bridge statistics
- Synchronized peer miniblocks are now saved on the local storage
- Fixes on genesis minting transactions indexing order
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2/ The Elrond tools, such as APIs, SDK, explorer, wallets, etc have been adapted & tested to include the new ESDT functionalities. The changes will go live in tandem with the activation of the features.
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11/ - Working on adding extra checks for guarded transactions so that funds can't be drained from a compromised wallet
- Improved the elasticsearch reindexer tool in order to bring optimizations to the reindexing process
- Finished bridge v1.0 statistics
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17/ - Finished implementation of ESDT/NFT metadata storage, which brings a set of optimizations. Added a liquidity counter of each SFT & metaESDT for every system account on each shard and automatic cleanup of data if liquidity does not exist
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It has been a concerted effort on multiple fronts to bring this feature in front of the users: protocol, services/api, wallets, ledger integration, dApps, sdks, xPortal, design, marketing, etc.
There are still things to improve but we are proud to make it available now.
Guarded accounts & guarded transactions - two terms soon to become the norm in the crypto world.
What's up with them and how
#MultiversX
users can enjoy bulletproof protection for their wallet accounts starting today, after epoch change.
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19/ “Stay Hungry Stay Foolish” & tune in soon for more of the
#elrondtech
which powers the
@ElrondNetwork
ecosystem. Check our progress & get involved
1
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3/ We have made significant progress on the Maiar Exchange, Launchpad & future DeFi 2.0 modules, in terms of functionality, economics & deeper integration into the Elrond ecosystem. Several of the underlying smart contracts have been refactored, debugged & stress tested.
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12/ - Released elrond-wasm 0.32.0, which provides the following new features: integration of the new VM EI, EI 1.2 endpoints; deterministic big floats; call value mechanism redesign; UniqueIdMapper & SparseArray, events in ABI; a new staking module
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2/ Cross-Shard SC composability will be further enhanced via Promises. We’ve implemented callback gas accumulation, where the gas unspent by an asynchronous call is correctly propagated, completing the gas propagation circuit of Promises.
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