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Abstract
This EIP assigns a reserve price BLOB_BASE_COST * base_fee_per_gas to blobs by introducing an if-clause in calc_excess_blob_gas(). Specifically, when the reserve price is higher than GAS_PER_BLOB * base_fee_per_blob_gas, the function will not subtract TARGET_BLOB_GAS_PER_BLOCK from excess_blob_gas, instead imposing excess_blob_gas to increase according to blob_gas_used, but rebalanced to maintain the same maximum increase. The proposal ensures that the blob fee market can function properly and that blob consumers pay at least a relevant fraction of the market rate for the compute they request from nodes.