New witness calculation and DA config #436
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Add DA config to builder Account for builder_tx in block_da_size.
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ferranbt
approved these changes
Feb 19, 2025
avalonche
reviewed
Feb 20, 2025
| // Check that it's possible to create builder tx, considering max_da_tx_size, otherwise panic | ||
| if let Some(tx_da_limit) = ctx.da_config.max_da_tx_size() { | ||
| // Panic indicate max_da_tx_size misconfiguration | ||
| assert!(tx_da_limit >= builder_tx_da_size as u64); |
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is this copied from the payload builder in reth? wondering if there should be an error log as well here
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No, this little piece is mine
I'll add a message, thank you!
avalonche
reviewed
Feb 20, 2025
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| self.builder_signer() | ||
| .map(|signer| { | ||
| let base_fee = self.base_fee(); | ||
| // Create message with block number for the builder to sign | ||
| let nonce = db | ||
| .load_cache_account(signer.address) | ||
| .map(|acc| acc.account_info().unwrap_or_default().nonce) | ||
| .map_err(|_| { | ||
| PayloadBuilderError::other(OpPayloadBuilderError::AccountLoadFailed( | ||
| signer.address, | ||
| )) | ||
| })?; | ||
|
|
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| // Create the EIP-1559 transaction | ||
| let eip1559 = OpTypedTransaction::Eip1559(TxEip1559 { | ||
| chain_id: self.chain_id(), | ||
| nonce, | ||
| gas_limit: builder_tx_gas, | ||
| max_fee_per_gas: base_fee.into(), | ||
| max_priority_fee_per_gas: 0, | ||
| to: TxKind::Call(Address::ZERO), | ||
| // Include the message as part of the transaction data | ||
| input: message.into(), | ||
| ..Default::default() | ||
| }); | ||
| let tx = eip1559; | ||
| // Sign the transaction | ||
| let builder_tx = signer.sign_tx(tx).map_err(PayloadBuilderError::other)?; |
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duplicated code here, can encapsulate into a get_signed_builder_tx function
Move builder tx creation to dedicated function
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📝 Summary
New witness calculation algo.
DA config.
Reserve space for builder_tx in block_da_size.
Note:
If da_config.max_da_tx_size is too small, execute function of OpBuilder will panic, because it's improssible to insert builder transaction.
estimate_builder_tx_da_size may be a little bit heavy, maybe we could precompute tx size for builder_tx and reuse it
💡 Motivation and Context
✅ I have completed the following steps:
make lintmake test