
Thomas Boot contributed to the hiero-ledger/hiero-json-rpc-relay repository, focusing on backend enhancements over a two-month period. He implemented security hardening by masking sensitive API keys in logs and configuration endpoints, reducing the risk of credential leakage. Thomas updated transaction pool documentation to clarify the use of RLP-encoded transactions, improving maintainability and onboarding. He introduced version-aware gas limit management, allowing the relay to adapt efficiently to protocol changes. Additionally, he refactored balance retrieval by offloading getBalance operations to a dedicated worker, enhancing scalability and responsiveness. His work demonstrated proficiency in TypeScript, Node.js, and backend blockchain development practices.
Monthly summary for 2026-04 focused on performance and scalability improvements in the hiero-json-rpc-relay service by offloading balance retrieval to a dedicated worker. This reduces main-thread contention and sets the groundwork for future worker-based task distribution, enhancing throughput under concurrent usage.
Monthly summary for 2026-04 focused on performance and scalability improvements in the hiero-json-rpc-relay service by offloading balance retrieval to a dedicated worker. This reduces main-thread contention and sets the groundwork for future worker-based task distribution, enhancing throughput under concurrent usage.
2026-03 Monthly Summary — hiero-json-rpc-relay Key outcomes: - Security hardening: Mask MIRROR_NODE_URL_HEADER_X_API_KEY in logs and config endpoints to prevent sensitive data leakage, reducing exposure risk across the relay surface. - Documentation improvement: Updated transaction pool docs to reflect use of RLP-encoded transactions (not tx hashes), clarifying management and resubmission workflows. - Gas limit flexibility: Introduced version-based calculation for blockGasLimit (based on HAPI version) to improve efficiency and compatibility with protocol changes. Major fixes and deliverables: - Implemented masking fix for /config endpoint to ensure consistent security across logs and responses (commit 0c744d6ca8569cb855156c4fc072146922f8d15b). Impact and value: - Security: Lowered risk of credential leakage in operational logs and responses. - Maintainability: Clearer docs reduce onboarding time and support overhead. - Reliability and performance: Version-aware gas limit determination enhances relay performance under evolving protocol conditions. Technologies and skills demonstrated: - Secure logging practices and data privacy controls - Documentation discipline and alignment with implementation - Version-aware feature toggling and config-driven behavior Repository: hiero-ledger/hiero-json-rpc-relay Month: 2026-03
2026-03 Monthly Summary — hiero-json-rpc-relay Key outcomes: - Security hardening: Mask MIRROR_NODE_URL_HEADER_X_API_KEY in logs and config endpoints to prevent sensitive data leakage, reducing exposure risk across the relay surface. - Documentation improvement: Updated transaction pool docs to reflect use of RLP-encoded transactions (not tx hashes), clarifying management and resubmission workflows. - Gas limit flexibility: Introduced version-based calculation for blockGasLimit (based on HAPI version) to improve efficiency and compatibility with protocol changes. Major fixes and deliverables: - Implemented masking fix for /config endpoint to ensure consistent security across logs and responses (commit 0c744d6ca8569cb855156c4fc072146922f8d15b). Impact and value: - Security: Lowered risk of credential leakage in operational logs and responses. - Maintainability: Clearer docs reduce onboarding time and support overhead. - Reliability and performance: Version-aware gas limit determination enhances relay performance under evolving protocol conditions. Technologies and skills demonstrated: - Secure logging practices and data privacy controls - Documentation discipline and alignment with implementation - Version-aware feature toggling and config-driven behavior Repository: hiero-ledger/hiero-json-rpc-relay Month: 2026-03

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