pub struct ChannelHandshakeLimits {
pub min_funding_satoshis: u64,
pub max_htlc_minimum_msat: u64,
pub min_max_htlc_value_in_flight_msat: u64,
pub max_channel_reserve_satoshis: u64,
pub min_max_accepted_htlcs: u16,
pub min_dust_limit_satoshis: u64,
pub max_dust_limit_satoshis: u64,
pub max_minimum_depth: u32,
pub force_announced_channel_preference: bool,
}
Optional channel limits which are applied during channel creation.
These limits are only applied to our counterparty's limits, not our own.
Use 0/::max_value() as appropriate to skip checking.
Minimum allowed satoshis when a channel is funded, this is supplied by the sender and so
only applies to inbound channels.
The remote node sets a limit on the minimum size of HTLCs we can send to them. This allows
you to limit the maximum minimum-size they can require.
The remote node sets a limit on the maximum value of pending HTLCs to them at any given
time to limit their funds exposure to HTLCs. This allows you to set a minimum such value.
The remote node will require we keep a certain amount in direct payment to ourselves at all
time, ensuring that we are able to be punished if we broadcast an old state. This allows to
you limit the amount which we will have to keep to ourselves (and cannot use for HTLCs).
The remote node sets a limit on the maximum number of pending HTLCs to them at any given
time. This allows you to set a minimum such value.
Outputs below a certain value will not be added to on-chain transactions. The dust value is
required to always be higher than this value so this only applies to HTLC outputs (and
potentially to-self outputs before any payments have been made).
Thus, HTLCs below this amount plus HTLC transaction fees are not enforceable on-chain.
This setting allows you to set a minimum dust limit for their commitment transactions,
reflecting the reality that tiny outputs are not considered standard transactions and will
not propagate through the Bitcoin network.
Defaults to 546, or the current dust limit on the Bitcoin network.
Maximum allowed threshold above which outputs will not be generated in their commitment
transactions.
HTLCs below this amount plus HTLC transaction fees are not enforceable on-chain.
Before a channel is usable the funding transaction will need to be confirmed by at least a
certain number of blocks, specified by the node which is not the funder (as the funder can
assume they aren't going to double-spend themselves).
This config allows you to set a limit on the maximum amount of time to wait. Defaults to
144 blocks or roughly one day and only applies to outbound channels.
Set to force the incoming channel to match our announced channel preference in
ChannelConfig.
Defaults to true to make the default that no announced channels are possible (which is
appropriate for any nodes which are not online very reliably).
Provides sane defaults for most configurations.
Most additional limits are disabled except those with which specify a default in individual
field documentation. Note that this may result in barely-usable channels, but since they
are applied mostly only to incoming channels that's not much of a problem.
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this method will likely be replaced by an associated static