Instead of leaving an extra output for CPFP, is it not sufficient to just
sign all inputs with ANYONECANPAY and expect the sender to make an exact
output for the fees input? It would require an extra tx assuming they don't
already have a properly sized UTXO handy (which they may!), but I believe
CP
Good morning everyone,
> We could also use SIGHASH_ANYONECANPAY|SIGHASH_SINGLE
> for HTLC txs, without adding the "OP_TRUE"
> output to the commitment transaction
Doesn’t this require a non-zero number of HTLCs on the commitment txn? We
would still require the OP_TRUE if there are no HTLCs, right
