Submits a pre-signed, RLP-encoded transaction to the network and returns its hash.
Flashblocks: Submit to https://mainnet.base.org to have your transaction considered for the next Flashblock (~200ms). Use base_transactionStatus to confirm receipt in the mempool and subscribe to newFlashblockTransactions to detect pre-confirmation.
Parameters
The signed transaction as an RLP-encoded hex string. Typically generated by a wallet library such as viem, ethers.js, or web3.js.
Returns
The 32-byte transaction hash if the transaction was accepted into the mempool.
Error Codes
Example