[Lightning-dev] lightning operation during / following a chain fork (e.g. BIP 50)

[Benjamin Mord]

Hi,

One topic I can't seem to find in the BOLTs is how lightning nodes maintain
consensus during or after a fork of the underlying blockchain(s). For
example, channel_announcement messages use a chain_hash, defined as hash of
underlying block chain's genesis block, to identify the currency in use.
Today, one might ask which hash identifies BTC as opposed to BCH?

A more difficult question arises in how existing channels handle
intentional forks which arise after funding of a payment channel.

An even more difficult question arises in the handling of unintentional
forks, as documented for example in BIP 50.

Have these scenarios been analyzed / designed yet, or does that work remain?

Thanks!
Ben
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