Ethereum: Glamsterdam pushed back, two EIPs threaten ecosystem projects

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The update was activated on the Sepolia testnet on Tuesday, October 6, before continuing its tour of the test networks. The next meeting, scheduled for Hoodi on Monday October 26, was skipped on October 22.

The ACD, the Ethereum client developer circle, has backtracked again and decided to delay the entire hard fork process. Hoodi will not update until the detected issues are resolved.

These problems were brought to the table by Chainsecurity, by screening projects in the ecosystem while the update was running on the test networks.

Verdict, several of them would become vulnerable once Glamsterdam is in place, because they are based on rules that the update will break.

No new date has been brought forward since the first postponement, and the update schedule is therefore officially on pause. The mainnet has never had an official meeting to cancel.

The Glamsterdam program includes the proposal-builder separation engraved in the protocol and the block access lists, two projects designed to increase the load on layer-1. Its content has not changed one iota.

The two proposals highlighted overhaul the pricing of gas, the meter that charges each operation on Ethereum. Together, they recalculate the cost of certain operations and billing for access to the state of the chain, its memory.

Affected projects rely on invariants. An invariant is a rule that the protocol has always respected, regardless of the state of the network. Smart contracts can rely on it without rechecking it at each block, and it is precisely this trust that the two EIPs undermine.

Entire contracts have built their logic on operating costs deemed immutable.

Let's take a theoretical case: a loan protocol which verifies in a loop that each debt remains covered by its guarantees and whose contract budgets gas at today's rate.

If the operation becomes more expensive overnight, the control may no longer be successful. The protection mechanism seizes up, and the project becomes vulnerable.

In other words, the smart contract no longer has the gas budget necessary to trigger its own controls.

A hard fork which weakens projects in production is not an option for Ethereum, hence this pause, the time to review the copy.

Machine-translated from French