TON Dev News
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चैनल निर्माण की तिथिDec 14, 2022
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Jun 05, 2024
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16.08.202423:59
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272.72%ERRसे पुनः पोस्ट किया:
TON Contests
15.04.202509:01
🧠 Tact Smart Battle 🤜
Join the ultimate smart contract challenge powered by Tact, organized by TON Studio & Codeforces
🏅 Prize Pool — $20,000 in Toncoin!
🎯 Challenge Tasks:
1. Simple Voting — basic voting system.
2. Serial Voting — multiple proposals via a master contract.
3. Scalable Voting — support up to 4 billion voters.
4. Voting with Refunds — refunds to voters.
5. Gas-Managed Voting — fully optimized contracts.
🏆 Rewards:
- Top 128 participants share the prize pool and receive exclusive Soulbound Tokens (SBTs).
- All participants with valid solutions also receive a Participant SBT.
- SBTs include embedded on-chain developer reputation.
⭐️ Additional Perks:
- Top participants will be invited for job interviews at TON Studio.
⏰ Duration: 7 days
🗓️ Start Date: April 21, 12:00 (UTC+3)
🛑 Deadline: April 28, 12:00 (UTC+3)
Registration:
👉 Challenge Link (Codeforces)
Registration guide:
👉 Notion link
Community & Support:
👉 Telegram Challenge Chat
Good luck and may your contracts be efficient and bug-free! 🚀🔥
Join the ultimate smart contract challenge powered by Tact, organized by TON Studio & Codeforces
🏅 Prize Pool — $20,000 in Toncoin!
🎯 Challenge Tasks:
1. Simple Voting — basic voting system.
2. Serial Voting — multiple proposals via a master contract.
3. Scalable Voting — support up to 4 billion voters.
4. Voting with Refunds — refunds to voters.
5. Gas-Managed Voting — fully optimized contracts.
🏆 Rewards:
- Top 128 participants share the prize pool and receive exclusive Soulbound Tokens (SBTs).
- All participants with valid solutions also receive a Participant SBT.
- SBTs include embedded on-chain developer reputation.
⭐️ Additional Perks:
- Top participants will be invited for job interviews at TON Studio.
⏰ Duration: 7 days
🗓️ Start Date: April 21, 12:00 (UTC+3)
🛑 Deadline: April 28, 12:00 (UTC+3)
Registration:
👉 Challenge Link (Codeforces)
Registration guide:
👉 Notion link
Community & Support:
👉 Telegram Challenge Chat
Good luck and may your contracts be efficient and bug-free! 🚀🔥
17.04.202511:31
🎉 Tact v1.6.6 is released!
The final patch release of this v1.6 series is upon us, and it brings a significant tooling improvement, amongst other things. Meet the official Tact formatter — a new tool that ensures consistent code style across your Tact projects. It ships with Tact v1.6.6, and you can run it in your projects via
The v1.6.* series of patches has been a journey of refinement and polish, setting the stage for what's coming next. As we close this chapter, we're already working hard on exciting new features for the future.
For now, let's explore the Tact v1.6.6 release:
🧰 Standard library additions and changes
• Added compute phase exit code constants reserved by the Tact compiler, such as
• Added the SignedBundle struct and the corresponding verifySignature method.
• Added
• Optimized the
🛠 Bug fixes
There were a lot of those. Remember that last time we started fuzzing the compiler with LLMs to root out bugs? Well, we found many bugs that way and fixed even more — many error messages got way more informative and useful. Some bug fixes allowed for seemingly unrelated UX improvements too.
One nice example of a second-order fix would be that the
See the full release notes for a long list of bugs squished and error messages improved.
✍️ Documentation updates
• Added a "Learn Tact in Y minutes" page, which gives a whirlwind code-first tour of the Tact language.
• Any AI vibe coders out there? The docs now generate
• The "gas best practices" page got updated with new recommendations, such as specialized math functions or the
• Lots of examples fixed, with more fixes to arrive as we speak.
🧳 Formatter!
You can run it via
Furthermore, it also ships with our official language server and VSCode extensions. See the tact-language-server's README.md for installation details.
📜 See the full release notes for Tact v1.6.6
📥 And upgrade Tact in your projects
In about 4 days from now, on April 21 at 12:00 (UTC+3), the Tact Smart Battle will begin! It is the ultimate smart contract challenge powered by Tact and organized by TON Studio & Codeforces. The prize pool is $20,000 in Toncoin, and the top 128 participants will receive exclusive Soulbound Tokens (SBTs). Moreover, the best battlers will be invited for job interviews at TON Studio.
And all participants with valid solutions would also receive a Participant SBT.
👉 Register, if not already: Codeforces
• Here's the registration guide, just in case: Notion
• Hop in the community chat to ask questions, receive support and have fun learning and using Tact: @tact_smart_battle
🍲 flint and tact
♨️ @tact_kitchen from the @ton_studio
The final patch release of this v1.6 series is upon us, and it brings a significant tooling improvement, amongst other things. Meet the official Tact formatter — a new tool that ensures consistent code style across your Tact projects. It ships with Tact v1.6.6, and you can run it in your projects via
npx tact-fmt or by invoking a format command in your editor. You'd need to install the Tact's language server or the VSCode extension for that — see the tact-language-server repo for details.The v1.6.* series of patches has been a journey of refinement and polish, setting the stage for what's coming next. As we close this chapter, we're already working hard on exciting new features for the future.
For now, let's explore the Tact v1.6.6 release:
🧰 Standard library additions and changes
• Added compute phase exit code constants reserved by the Tact compiler, such as
TactExitCodeNullReferenceException (128) and many others.• Added the SignedBundle struct and the corresponding verifySignature method.
• Added
sendRawMessage and sendRawMessageReturnForwardFee functions as replacements for their deprecated counterparts.• Optimized the
sha256() function to about ~270 less gas used per call and added the keccak256() function that works with arbitrarily long slices.🛠 Bug fixes
There were a lot of those. Remember that last time we started fuzzing the compiler with LLMs to root out bugs? Well, we found many bugs that way and fixed even more — many error messages got way more informative and useful. Some bug fixes allowed for seemingly unrelated UX improvements too.
One nice example of a second-order fix would be that the
require() function now supports constants as its second parameter. You no longer need to provide identical string literals everywhere — define a string constant somewhere and reuse it!See the full release notes for a long list of bugs squished and error messages improved.
✍️ Documentation updates
• Added a "Learn Tact in Y minutes" page, which gives a whirlwind code-first tour of the Tact language.
• Any AI vibe coders out there? The docs now generate
llms.txt, llms-full.txt and llms-small.txt files for you to use with your AIs. The small version is particularly interesting as it fits in the 200k context.• The "gas best practices" page got updated with new recommendations, such as specialized math functions or the
BasechainAddress struct and related functions.• Lots of examples fixed, with more fixes to arrive as we speak.
🧳 Formatter!
You can run it via
npx tact-fmt in your projects — it supports checking the formatting via the --check flag, applying fixes via the --write flag, and can check both individual files and directories of files.Furthermore, it also ships with our official language server and VSCode extensions. See the tact-language-server's README.md for installation details.
📜 See the full release notes for Tact v1.6.6
📥 And upgrade Tact in your projects
In about 4 days from now, on April 21 at 12:00 (UTC+3), the Tact Smart Battle will begin! It is the ultimate smart contract challenge powered by Tact and organized by TON Studio & Codeforces. The prize pool is $20,000 in Toncoin, and the top 128 participants will receive exclusive Soulbound Tokens (SBTs). Moreover, the best battlers will be invited for job interviews at TON Studio.
And all participants with valid solutions would also receive a Participant SBT.
👉 Register, if not already: Codeforces
• Here's the registration guide, just in case: Notion
• Hop in the community chat to ask questions, receive support and have fun learning and using Tact: @tact_smart_battle
🍲 flint and tact
♨️ @tact_kitchen from the @ton_studio
से पुनः पोस्ट किया:
BotNews
11.04.202515:37
Bot API 9.0
Announcing the largest Bot API update of 2025 (so far 😈)
🏪 Telegram Business 2.0
• Bots can now fully customize the branding of Business Accounts – managing their name, username, bio and profile pictures.
• Introduced support for managing Paid Gifts 🎁, including conversions, transfers and upgrades.
• Bots can now check ⭐️ Telegram Star balances and transfer Stars from managed businesses.
• Bots can now easily mark Business messages as read or delete them.
• Added extensive support for managing stories on Business accounts – featuring photos, videos and interactive elements like links, locations, reactions, weather info and even Gifts.
• All stories posted by bots can also be edited or deleted.
• Introduced granular Business permissions, giving users even finer control over connected bots.
🗃️ Mini App Storage
• Mini Apps can now store data locally on the user's device.
• Sensitive tokens can be safely persisted in a specialized secure storage.
🎁 Telegram Gifts
• Introduced support for unique Gifts – with detailed model, symbol and backdrop info.
• Bots can also check which Gift types are accepted by users and chats.
⭐️ Paid Messages
• Bots can now track how many Stars users paid to send a message.
• This includes out-of-the-box support for paid messages in both groups and business accounts.
⭐️ Telegram Premium
• Bots can now gift a Telegram Premium subscription paid in Stars.
• And more, see the full changelog for details:
https://core.telegram.org/bots/api-changelog#april-11-2025
Announcing the largest Bot API update of 2025 (so far 😈)
🏪 Telegram Business 2.0
• Bots can now fully customize the branding of Business Accounts – managing their name, username, bio and profile pictures.
• Introduced support for managing Paid Gifts 🎁, including conversions, transfers and upgrades.
• Bots can now check ⭐️ Telegram Star balances and transfer Stars from managed businesses.
• Bots can now easily mark Business messages as read or delete them.
• Added extensive support for managing stories on Business accounts – featuring photos, videos and interactive elements like links, locations, reactions, weather info and even Gifts.
• All stories posted by bots can also be edited or deleted.
• Introduced granular Business permissions, giving users even finer control over connected bots.
🗃️ Mini App Storage
• Mini Apps can now store data locally on the user's device.
• Sensitive tokens can be safely persisted in a specialized secure storage.
🎁 Telegram Gifts
• Introduced support for unique Gifts – with detailed model, symbol and backdrop info.
• Bots can also check which Gift types are accepted by users and chats.
⭐️ Paid Messages
• Bots can now track how many Stars users paid to send a message.
• This includes out-of-the-box support for paid messages in both groups and business accounts.
⭐️ Telegram Premium
• Bots can now gift a Telegram Premium subscription paid in Stars.
• And more, see the full changelog for details:
https://core.telegram.org/bots/api-changelog#april-11-2025
से पुनः पोस्ट किया:
Ton Console
11.04.202514:33
📝 Sign Arbitrary Data with TON Connect
The latest update to our TON Connect implementation introduces a powerful new feature: the ability to sign arbitrary data — from plain text and binary blobs to BOC (cell) format.
This unlocks new use cases in the TON ecosystem: secure off-chain flows, verifiable signatures, and advanced on-chain logic — all through the familiar TON Connect interface.
Now supported in the latest versions of Tonkeeper on iOS and Android.
Explore the guide and start building →
The latest update to our TON Connect implementation introduces a powerful new feature: the ability to sign arbitrary data — from plain text and binary blobs to BOC (cell) format.
This unlocks new use cases in the TON ecosystem: secure off-chain flows, verifiable signatures, and advanced on-chain logic — all through the familiar TON Connect interface.
Now supported in the latest versions of Tonkeeper on iOS and Android.
Explore the guide and start building →
से पुनः पोस्ट किया:
TonTech
25.03.202511:35
🔨 TON Connect SDK Update
We're excited to announce a new release of the TON Connect SDK with significant enhancements for dApp developers.
We kindly request all dapp developers to update to the latest version to ensure optimal performance and user experience.
👥 @tonconnect/{sdk,ui,ui-react}
• New wallet feature requirements API
• Extra currencies in transactions
• React 19 compatibility
📁 New package versions
• @tonconnect/protocol 2.2.7
• @tonconnect/sdk 3.1.0
• @tonconnect/ui 2.1.0
• @tonconnect/ui-react 2.1.0
⬇️ To update, run
💡 To learn more, visit the GitHub page at https://github.com/ton-connect/sdk.
💬 Encountered issues? Please report them on GitHub at https://github.com/ton-connect/sdk/issues.
⭐️ Special thanks to the Tonkeeper team for their contribution to this release!
🎁 Your feedback and usage examples are crucial. Share your experiences to help us evolve the SDK!
We're excited to announce a new release of the TON Connect SDK with significant enhancements for dApp developers.
We kindly request all dapp developers to update to the latest version to ensure optimal performance and user experience.
👥 @tonconnect/{sdk,ui,ui-react}
• New wallet feature requirements API
• Extra currencies in transactions
• React 19 compatibility
📁 New package versions
• @tonconnect/protocol 2.2.7
• @tonconnect/sdk 3.1.0
• @tonconnect/ui 2.1.0
• @tonconnect/ui-react 2.1.0
⬇️ To update, run
npm install @tonconnect/ui-react@latest or npm install @tonconnect/ui@latest💡 To learn more, visit the GitHub page at https://github.com/ton-connect/sdk.
💬 Encountered issues? Please report them on GitHub at https://github.com/ton-connect/sdk/issues.
⭐️ Special thanks to the Tonkeeper team for their contribution to this release!
🎁 Your feedback and usage examples are crucial. Share your experiences to help us evolve the SDK!
से पुनः पोस्ट किया:
Toncenter API
31.03.202517:46
Toncenter API supported hash of a normalized external message
API V3 (Index):
-
- All methods with
API V2:
-
API V3 (Index):
-
hash_norm field added to the Message structure. If the field is not present, it means this message not an external message, or the normalized hash_norm is equal to the regular hash.- All methods with
msg_hash parameter search also by normalized hash.API V2:
-
api/v2/sendBocReturnHash returns the normalized hash in addition to the normal hash.
29.03.202514:16
🎉 Tact v1.6.5 is released!
Back with another round of refinements! While we're working on many exciting things in the background, we're committed to fixing every bug that the community might discover so that Tact can provide a flawless developer experience.
Furthermore, we now actively employ AI and large language model (LLM) fuzzing techniques, such as documentation-driven approaches where LLMs are given only the Tact language documentation and access to the compiler. Then, LLM agents generate potentially problematic code snippets, compile them, and analyze results. They further iterate and provide new, interesting bug reports — resolving those makes both Tact compiler and Tact documentation better at the same time!
Check out this awesome article from one of the team members to learn more: Documentation-Driven Compiler Fuzzing with Large Language Models.
And now, let's see what's new in Tact v1.6.5, starting with the most prominent part of this patch release:
🛠 Bug fixes
• Ternary operator
• New parser now properly handles the code that wasn't completed at the end of the file
• The error for assembly functions and the
• Now, when you call the
• Improper whitespace between the operator and the equals sign is no longer allowed
• The
• Get methods now can return an optional contract state
• The
• The wildcard symbol
• The contract's state is now properly saved on early
🧳 Miscellaneous improvements
• Whenever you access
• The
• The
• The
📜 See the full release notes for Tact v1.6.5
📥 And upgrade Tact in your projects
LLMs are great, but we value our community no less. It's great being around a bunch of talented, passionate, and bright engineers who make a future of safe and scalable ⚡️ Tact smart contracts on TON possible for everyone. Thank you for everything you do and for the feedback you give!
A special shoutout goes to the RSquad team @rsquadlife for their early adoption of Tact features, thoughtful suggestions, and bug reports. If punk were code, they'd be its maintainers 🤘
🍲 ghibli deez bugs
♨️ @tact_kitchen from the @ton_studio
Back with another round of refinements! While we're working on many exciting things in the background, we're committed to fixing every bug that the community might discover so that Tact can provide a flawless developer experience.
Furthermore, we now actively employ AI and large language model (LLM) fuzzing techniques, such as documentation-driven approaches where LLMs are given only the Tact language documentation and access to the compiler. Then, LLM agents generate potentially problematic code snippets, compile them, and analyze results. They further iterate and provide new, interesting bug reports — resolving those makes both Tact compiler and Tact documentation better at the same time!
Check out this awesome article from one of the team members to learn more: Documentation-Driven Compiler Fuzzing with Large Language Models.
And now, let's see what's new in Tact v1.6.5, starting with the most prominent part of this patch release:
🛠 Bug fixes
• Ternary operator
?: now correctly works with structs and null values• New parser now properly handles the code that wasn't completed at the end of the file
• The error for assembly functions and the
get attribute is now correctly shown• Now, when you call the
dump() function with an argument of the unsupported StringBuilder type, the error will always be shown even if the debug mode is disabled• Improper whitespace between the operator and the equals sign is no longer allowed
• The
&&= and ||= augmented assignment operators are now properly short-circuited• Get methods now can return an optional contract state
• The
Struct.fromSlice(), Message.fromSlice(), and similar functions now work properly if the slice has been parsed entirely and the last field of the struct had the serialization annotation as remaining• The wildcard symbol
_ is prohibited for struct and message struct fields, function names, contract, and trait names• The contract's state is now properly saved on early
return statements in the receiver functions🧳 Miscellaneous improvements
• Whenever you access
context().sender, it now calls the sender() function instead to optimize the gas usage• The
internalExternalReceiversOutsideMethodsMap option and its respective receiver order optimization were reworked to ensure compatibility with explorers and user wallets• The
SendPayGasSeparately constant was deprecated in favor of SendPayFwdFeesSeparately — they're functionally identical, but the latter better expresses the intent and action that this optional flag makes when sending messages• The
Stoppable trait now throws the exit code 133 instead of the exit code generated by the require() function from the "Contract stopped" message📜 See the full release notes for Tact v1.6.5
📥 And upgrade Tact in your projects
LLMs are great, but we value our community no less. It's great being around a bunch of talented, passionate, and bright engineers who make a future of safe and scalable ⚡️ Tact smart contracts on TON possible for everyone. Thank you for everything you do and for the feedback you give!
A special shoutout goes to the RSquad team @rsquadlife for their early adoption of Tact features, thoughtful suggestions, and bug reports. If punk were code, they'd be its maintainers 🤘
🍲 ghibli deez bugs
♨️ @tact_kitchen from the @ton_studio
से पुनः पोस्ट किया:Ton Console
31.03.202517:46
Tracking Transactions on TON Just Got Easier! 🎉
Tracking external transactions (
Now TonAPI solves this with the normalized hash. With this method, tracking transactions is simple and reliable.
We've prepared clear examples to get you started:
- Tracking transactions from TonConnect for dApps
- Tracking manually constructed external messages
See code examples →
We’re excited to share this improvement, and soon more ecosystem tools will support it too!
Tracking external transactions (
external-in) on the TON blockchain was challenging for all of us due to minor metadata differences.Now TonAPI solves this with the normalized hash. With this method, tracking transactions is simple and reliable.
We've prepared clear examples to get you started:
- Tracking transactions from TonConnect for dApps
- Tracking manually constructed external messages
See code examples →
We’re excited to share this improvement, and soon more ecosystem tools will support it too!
12.04.202512:49
🎉 Welcome Challenge: A Tact Developers Competition!
DivaTech is launching TON Contests — a platform for hosting competitions for TON smart contract developers.
To celebrate the launch, we’re kicking off our first contest — Welcome Challenge with a $1000 prize pool!
You’ll face 5 easy-to-medium-level tasks in Tact smart contract development, with 6 hours to solve them.
📅 When: April 13, 3:00 PM – 9:00 PM (GMT+3)
🌍 Where: Online at toncontests.com
🏆 Prizes:
🥇 Top 5: $100 each
🥈 Next10: $35 each
🥉 Next 15: $10 each
Registration for the Welcome Challenge is now open
DivaTech is launching TON Contests — a platform for hosting competitions for TON smart contract developers.
To celebrate the launch, we’re kicking off our first contest — Welcome Challenge with a $1000 prize pool!
You’ll face 5 easy-to-medium-level tasks in Tact smart contract development, with 6 hours to solve them.
📅 When: April 13, 3:00 PM – 9:00 PM (GMT+3)
🌍 Where: Online at toncontests.com
🏆 Prizes:
🥇 Top 5: $100 each
🥈 Next10: $35 each
🥉 Next 15: $10 each
Registration for the Welcome Challenge is now open
अधिक कार्यक्षमता अनलॉक करने के लिए लॉगिन करें।
