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EIP-7966 eth_sendRawTransactionSync Method

DraftInterfacecreated 2025-06-11

A JSON-RPC method to reduce transaction submission latency by allowing synchronous receipt of transaction hash and block inclusion.

Authors: Sam Battenally (@SmoothBot), Hai Nguyen (@hai-rise), Thanh Nguyen (@LampardNguyen234), Loc Nguyen (@silver-rise)

What the specification covers

AbstractMotivationSpecificationMethod NameParametersParameter Validation RulesReturnsError Codes and Response StructureNode-Configured TimeoutsBehaviorExample Request (No Timeout)Example Request (With Timeout)Example Response (Success)Example Response (Timeout - Error Code 4)Example Response (Nonce Gap - Error Code 6)Example Response (Rejected Transaction - Error Code 5)Example Response (Standard Error)RationaleWhy Not Extend Existing RPC?Node-Configured TimeoutsUser-Configured TimeoutsOptionalityImproved UXReturned Nonces in Error Code 6Backwards CompatibilityReference ImplementationSecurity ConsiderationsCopyright

This proposal declares no Solidity interface, so there is nothing to compute. It may be a core protocol change, a meta proposal, or written in prose only.

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