Add configurable calldata gas design document #294
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niran
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| * **Continue hard-coding gas costs**. Updating gas costs once or twice per year on a similar cadence to L1 hard forks is likely frequent enough for most chains, but it doesn't address differences in gas targets between OP Stack chains without each chain maintaining a persistent fork of the client. | ||
| * **Full fee-abstraction** (see [`specs#73`](https://github.com/ethereum-optimism/specs/issues/73)). Only addresses fees, but we need to manipulate gas consumption for the fee market to function properly. | ||
| * **Expose a single configuration value**. We don't foresee `eip7623StandardTokenCost` ever being modified from its default value of `4`, but it's included in the proposal for completeness. | ||
| * **Change the actual calldata gas cost, not just the floor**. This diverges from how the L1 community has been addressing calldata costs and impacts more transactions than are necessary to solve the problem. |
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This approach seems simpler and also more directly addresses the issue of L2 calldata. EIP-7623 was implemented with a floor function in order to discourage calldata-focused transactions, steering them towards blobs instead. If all L2 data must be batched to L1, then we may want to meter all calldata equally.
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I think the floor is actually better. It caps the amount of calldata that can be used in a block without reducing the amount of execution that can happen in a block.
…zero bytes to price calldata
…and nonzero bytes
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This PR introduces a design document for configurable calldata gas pricing.