EIP-8148: Custom sweep threshold for validators

Blockdaemon supports EIP-8148 and would like to see it considered for Hegotá.

We run Ethereum validators for a large number of institutional clients, and a

configurable sweep threshold is one of the most frequently requested features we

hear from them. The reason is nearly always the same. Institutions need rewards

to arrive as a predictable, automatic stream.

Today 0x01 gives them that via the 32 ETH sweep. 0x02 does not. Moving rewards

off a compounding validator means a triggered withdrawal per validator, plus an

unpredictable wait in the queue. For several of our clients, that is

the reason they are still on 0x01.

EIP-8148 fixes that. Rewards keep arriving on the sweep as

they do for 0x01 today, while balance below the threshold still compounds. That

makes consolidation under EIP-7251 something we can recommend to a client rather

than a tradeoff we have to talk them through.

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