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e5d5e09faa
EIP-4844 adds a new transaction type for blobs. Users can submit such transactions via `eth_sendRawTransaction`. In this PR we refrain from adding support to `eth_sendTransaction` and in fact it will fail if the user passes in a blob hash. However since the chain can handle such transactions it makes sense to allow simulating them. E.g. an L2 operator should be able to simulate submitting a rollup blob and updating the L2 state. Most methods that take in a transaction object should recognize blobs. The change boils down to adding `blobVersionedHashes` and `maxFeePerBlobGas` to `TransactionArgs`. In summary: - `eth_sendTransaction`: will fail for blob txes - `eth_signTransaction`: will fail for blob txes The methods that sign txes does not, as of this PR, add support the for new EIP-4844 transaction types. Resuming the summary: - `eth_sendRawTransaction`: can send blob txes - `eth_fillTransaction`: will fill in a blob tx. Note: here we simply fill in normal transaction fields + possibly `maxFeePerBlobGas` when blobs are present. One can imagine a more elaborate set-up where users can submit blobs themselves and we fill in proofs and commitments and such. Left for future PRs if desired. - `eth_call`: can simulate blob messages - `eth_estimateGas`: blobs have no effect here. They have a separate unit of gas which is not tunable in the transaction. |
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