Conflux (CFX) CFX Releases v3.0.3 Testnet with CIP-166 Opcode and Crucial Bug Fixes

Conflux (CFX) Community launched its v3.0.3 testnet improve on February 28, addressing seven bug fixes and introducing CIP-166, a brand new Rely Main Zeros opcode that expands sensible contract capabilities on the EVM-compatible chain.

The improve comes as CFX trades at $0.0458, down 9.31% over 24 hours, with the token consolidating round key help ranges following its February itemizing on Kraken.

What’s Really in This Launch

Essentially the most consequential repair addresses CIP-78 sponsor flags—particularly, incorrect gasCoveredBySponsor and storageCoveredBySponsor receipt fields that had been showing on reverted transactions throughout testnet replay. For builders constructing on Conflux’s sponsorship mechanism (a core function that lets dApps pay gasoline for customers), this was inflicting complications with transaction monitoring.

Different notable fixes embrace:

• A impasse situation in fee_history that might freeze RPC responses
• A panic-inducing overflow bug when Proof-of-Stake force-retire occasions triggered early
• Incorrect gasoline restrict upkeep within the transaction packing pool
• CPU mining timing irregularities

The brand new CIP-166 opcode provides Rely Main Zeros performance—a low-level operation helpful for bit manipulation in sensible contracts. Whereas technical, these opcodes matter for builders optimizing gas-intensive computations.

RPC Enhancements for Builders

The discharge packs a number of quality-of-life enhancements for builders. The eth_blockByNumber name now helps the pending tag, bringing it nearer to straightforward Ethereum RPC conduct. Transaction receipts acquire an accumulatedGasUsed discipline, and Core House logs now embrace timestamps—small additions that streamline debugging.

A brand new dump subcommand lets operators export all eSpace accounts to JSON, helpful for state evaluation and migration situations.

Infrastructure Modernization

Behind the scenes, the workforce bumped Rust to model 1.90 and up to date core dependencies together with revm and c-kzg. New GitHub Actions workflows now automate builds throughout Linux, macOS, and Home windows—an indication of maturing growth infrastructure following the most important 3.0 “Tree-Graph” improve that shipped in August 2025.

Ought to Node Operators Improve?

Conflux explicitly states this improve is optionally available. The fixes goal stability relatively than consensus modifications, so nodes working older variations will not fork off the community. That mentioned, operators experiencing RPC deadlocks or transaction pool points ought to think about upgrading.

The easy course of: cease your node, swap the executable, restart. New operators can seize v3.0.3-testnet straight from the GitHub launch web page.

For a community positioning itself as China’s regulatory-compliant blockchain gateway—full with Tether’s CNH-pegged stablecoin launched in November—sustaining infrastructure stability issues. Whether or not this testnet launch indicators an imminent mainnet replace stays unclear, however the growth cadence suggests lively protocol upkeep forward of potential enterprise adoption cycles.

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