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Dhiraj Sah

PROFILE

Dhiraj Sah

Over six months, contributed to blockchain infrastructure by developing and testing features across repositories such as paritytech/ahm-dryrun and polkadot-fellows/runtimes. Delivered cross-chain address translation, multi-asset bounty support, and asset format conversion for treasury payouts, focusing on reliability and maintainability. Enhanced end-to-end and unit test coverage using TypeScript, Rust, and Substrate, ensuring robust validation of asset transactions and governance workflows. Improved migration safety and payout correctness through automated testing and error handling. Collaborated on upstream alignment and dependency upgrades, demonstrating depth in system programming, smart contract development, and blockchain testing while maintaining disciplined code hygiene and traceability throughout the work.

Overall Statistics

Feature vs Bugs

88%Features

Repository Contributions

10Total
Bugs
1
Commits
10
Features
7
Lines of code
7,514
Activity Months6

Work History

March 2026

1 Commits • 1 Features

Mar 1, 2026

Generated a concise monthly summary highlighting a key governance feature delivery and its quality assurance impact for March 2026 focused on the polkadot-fellows/runtimes repository.

February 2026

1 Commits • 1 Features

Feb 1, 2026

February 2026 monthly summary for polkadot-fellows/runtimes: focused on delivering multi-asset bounties in Asset Hub across Kusama and Polkadot, migrating from a local pay module to an upstream implementation, and upgrading pallets to support multi-asset bounties. Prepared benchmarks and aligned dependencies for future performance testing and upstream compatibility.

January 2026

1 Commits

Jan 1, 2026

January 2026 monthly summary for AurevoirXavier/polkadot-sdk: Focused on strengthening asset transaction validation to enhance reliability, correctness, and business risk controls. Implemented strict withdrawal checks to prevent zero-balance withdrawals, reducing balance drift and invalid asset-conversion flows. Commit-based change demonstrates disciplined code hygiene and traceability across the asset-conversion-tx-payment module.

December 2025

1 Commits • 1 Features

Dec 1, 2025

December 2025: Delivered a LocalPay-based XCM asset format converter to address treasury payout failures. Implemented V3/V4 to V5 asset format conversion and integrated it with the TreasuryPaymaster to ensure treasury payouts process correctly. Created changelog and prepared for upstream SDK migration, with a removal plan once polkadot-sdk supports V3→V5. Coordination with Adrian Catangiu on co-authored changes and issue-driven roadmap.

November 2025

3 Commits • 2 Features

Nov 1, 2025

November 2025: Delivered end-to-end migration and payout testing enhancements for paritytech/ahm-dryrun, enabling safer Crowdloan data migration and faster payout validation across networks. Implemented migration pre-/post-check tests, refined unreserve block calculation, and improved error handling and logging for Crowdloan contributions withdrawals. Added post-migration treasury payout support with utilities for beneficiary address extraction and asset-type information. Expanded automation and tooling with justfile/package.json updates and broader test coverage. Demonstrated strong proficiency in Rust, Substrate testing, scripting, and cross-network deployment readiness.

October 2025

3 Commits • 2 Features

Oct 1, 2025

October 2025 focused on delivering cross-chain address handling capabilities and dramatically expanding end-to-end test coverage for core bounty functionality, with emphasis on reliability, performance, and maintainability.

Activity

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Quality Metrics

Correctness91.0%
Maintainability84.0%
Architecture86.0%
Performance81.0%
AI Usage32.0%

Skills & Technologies

Programming Languages

BashJSONJavaScriptRustTypeScript

Technical Skills

API developmentAccount AbstractionAccount ManagementAlgorithmsBash scriptingBlockchain DevelopmentBlockchain testingData StructuresE2E test automationEnd-to-end testingJavaScriptKusamaNode.jsPolkadotRust

Repositories Contributed To

4 repos

Overview of all repositories you've contributed to across your timeline

paritytech/ahm-dryrun

Oct 2025 Nov 2025
2 Months active

Languages Used

TypeScriptBashJSONJavaScript

Technical Skills

Account AbstractionAccount ManagementAlgorithmsBlockchain DevelopmentData StructuresTypeScript

polkadot-fellows/runtimes

Dec 2025 Mar 2026
3 Months active

Languages Used

Rust

Technical Skills

Rustblockchain developmentsystem programmingSubstratesmart contractsunit testing

open-web3-stack/polkadot-ecosystem-tests

Oct 2025 Oct 2025
1 Month active

Languages Used

JavaScriptTypeScript

Technical Skills

Blockchain testingE2E test automationEnd-to-end testingKusamaPolkadotSubstrate

AurevoirXavier/polkadot-sdk

Jan 2026 Jan 2026
1 Month active

Languages Used

Rust

Technical Skills

Rustblockchain developmentsmart contract development