Constant FUNDING_TRANSACTION_WITNESS_WEIGHT

pub const FUNDING_TRANSACTION_WITNESS_WEIGHT: u64 = _; // 220u64

The weight of a funding transaction input (2-of-2 P2WSH).

Unlike in the spec, 72 WU is used for the max signature size since 73 WU signatures are non-standard.

Note: If you have the grind_signatures feature enabled, this will be at least 1 byte shorter.