Optimism(OP) Fjord upgrade

$0.3219

1.14%

Phóng thích

The Fjord upgrade for OP Sepolia was activated on 1716998400 Wed May 29 16:00:00 UTC 2024. The Fjord OP Mainnet upgrade will be optimistically activated 1720627201 Thu July 10 16:00:01 UTC 2024.

What's Included in Fjord

The Fjord network upgrade(opens in a new tab) includes the following:

RIP-7212(opens in a new tab): Precompile for secp256r1 Curve Support, to reduce gas costs of many smart wallet applications.
Brotli(opens in a new tab) as a channel compression option, for ~5-15% lower data availability costs.
Parameter changes: Max sequencer drift(opens in a new tab) becomes a constant with value increased to 1800 seconds.10x increased values for MAX_RLP_BYTES_PER_CHANNEL and MAX_CHANNEL_BANK_SIZE
The Fjord hardfork activation block(opens in a new tab) includes several transactions to perform all L2 contract deployments, upgrades, enablements, and proxy updates.
L1 Gas Cost changes: 1. FastLZ(opens in a new tab) based L1 fee cost calculation(opens in a new tab) with an upgraded GasPriceOracle L2 predeploy(opens in a new tab) to compute it 2. GasPriceOracle gets a new function getL1FeeUpperBound as a cheap new way to calculate an upper bound for the max fee of a new transaction3. getL1GasUsed method of the GasPriceOracle contract (spec(opens in a new tab)) is being deprecated4. L1GasUsed field of the transaction receipt (spec(opens in a new tab)) is being deprecated