CallFees

reth_rpc_eth_api

Struct CallFees 

Source 
pub struct CallFees {
    pub max_priority_fee_per_gas: Option<Uint<256, 4>>,
    pub gas_price: Uint<256, 4>,
    pub max_fee_per_blob_gas: Option<Uint<256, 4>>,
}
Expand description

Helper type for representing the fees of a TransactionRequest

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§max_priority_fee_per_gas: Option<Uint<256, 4>>

EIP-1559 priority fee

§gas_price: Uint<256, 4>

Unified gas price setting

Will be the configured basefee if unset in the request

gasPrice for legacy, maxFeePerGas for EIP-1559

§max_fee_per_blob_gas: Option<Uint<256, 4>>

Max Fee per Blob gas for EIP-4844 transactions

Implementations§

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impl CallFees

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pub fn ensure_fees( call_gas_price: Option<Uint<256, 4>>, call_max_fee: Option<Uint<256, 4>>, call_priority_fee: Option<Uint<256, 4>>, block_base_fee: Uint<256, 4>, blob_versioned_hashes: Option<&[FixedBytes<32>]>, max_fee_per_blob_gas: Option<Uint<256, 4>>, block_blob_fee: Option<Uint<256, 4>>, ) -> Result<CallFees, CallFeesError>

Ensures the fields of a TransactionRequest are not conflicting.

§EIP-4844 transactions

Blob transactions have an additional fee parameter maxFeePerBlobGas. If the maxFeePerBlobGas or blobVersionedHashes are set we treat it as an EIP-4844 transaction.

Note: Due to the Default impl of BlockEnv (Some(0)) this assumes the block_blob_fee is always Some

§Notable design decisions

For compatibility reasons, this contains several exceptions when fee values are validated:

  • If both maxFeePerGas and maxPriorityFeePerGas are set to 0 they are treated as missing values, bypassing fee checks wrt. baseFeePerGas.

This mirrors geth’s behaviour when transaction requests are executed: https://github.com/ethereum/go-ethereum/blob/380688c636a654becc8f114438c2a5d93d2db032/core/state_transition.go#L306-L306

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impl Debug for CallFees

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fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

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Size: 112 bytes