From 110a6d6a229dfccb323b847f8b02f9ae67804225 Mon Sep 17 00:00:00 2001 From: William Law Date: Mon, 28 Jul 2025 11:01:37 -0400 Subject: [PATCH 1/2] add note about best effort decoding --- protocol/minimum-base-fee.md | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/protocol/minimum-base-fee.md b/protocol/minimum-base-fee.md index 06cf262d..bdb78277 100644 --- a/protocol/minimum-base-fee.md +++ b/protocol/minimum-base-fee.md @@ -47,7 +47,7 @@ Additionally, - there is no additional data beyond these 10 bytes Note that `extraData` has a maximum capacity of 32 bytes (to fit in the L1 beacon-chain `extraData` data-type) and its -format may be modified/extended by future upgrades. +format may be modified/extended by future upgrades. Furthermore, when decoding `extraData`, it makes a best-effort for every block in the chain's history, including before the minimum base fee was enabled. ## Minimum Base Fee in `PayloadAttributesV3` @@ -64,7 +64,7 @@ PayloadAttributesV3: { transactions: array of DATA noTxPool: bool gasLimit: QUANTITY or null - eip1559Params: DATA (9 bytes) or null + eip1559Params: DATA (8 bytes) or null } ``` From 550c3baab2464500e656d12fc4f20801d0eabc92 Mon Sep 17 00:00:00 2001 From: William Law Date: Mon, 28 Jul 2025 12:06:34 -0400 Subject: [PATCH 2/2] add minbasefeelog2 --- protocol/minimum-base-fee.md | 1 + 1 file changed, 1 insertion(+) diff --git a/protocol/minimum-base-fee.md b/protocol/minimum-base-fee.md index bdb78277..76815a93 100644 --- a/protocol/minimum-base-fee.md +++ b/protocol/minimum-base-fee.md @@ -65,6 +65,7 @@ PayloadAttributesV3: { noTxPool: bool gasLimit: QUANTITY or null eip1559Params: DATA (8 bytes) or null + minBaseFeeLog2: u8 } ```