firoorg / firo

The privacy-focused cryptocurrency
https://firo.org
MIT License
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Increase tx size limit up to 250kb #1457

Closed levonpetrosyan93 closed 5 months ago

coderabbitai[bot] commented 5 months ago

Walkthrough

This update increases the maximum transaction weight from 520,000 to 1,000,000 in the relay and mining policy. Adjustments are made across multiple files to reflect this new limit, ensuring consistent application in transaction validation and creation processes.

Changes

Files Change Summary
src/policy/policy.h Increased MAX_NEW_TX_WEIGHT constant from 520000 to 1000000.
src/spark/sparkwallet.cpp Updated condition check to use MAX_NEW_TX_WEIGHT instead of MAX_STANDARD_TX_WEIGHT.
src/wallet/wallet.cpp Modified CWallet::CreateTransaction method to compare transaction weight against MAX_NEW_TX_WEIGHT.

Poem

As weights increase, blocks do swell,
A million now, the ledger tells,
Transactions faster, limits extended,
Digital coins, rules amended.
Through lines of code, changes sweep,
In blockchain dreams, we rabbits leap.
🌟✨


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reubenyap commented 5 months ago

Currently, Firo’s max transaction limit size is 100 kB (inherited from Bitcoin) though some people are hitting this limit especially when dealing with many masternode or mining payouts. The error that pops up is 'Transaction is too large". The limit is there to prevent DDoS and ensure transactions can propagate properly.

Core team proposed to up this to 250 kB to account for the larger size of Spark transactions and also since we already have a larger block size limit. This will assist with UTXO consolidations as well and UX.

While technically not a hard fork since nodes will accept into the block, the transaction will not be relayed where the transaction is greater than 100 kB so this would be a mandatory upgrade.

We sought community feedback and there were no objections: https://forum.firo.org/t/feedback-on-upping-transaction-limit-size-from-100-kb-to-250-kb/3196