{ "$schema": "http://json-schema.org/draft-07/schema#", "type": "object", "additionalProperties": false, "required": [ "id" ], "properties": { "id": { "type": "string", "description": "should contain a scid (short channel ID), channel id or peerid (pubkey) of the channel to be modified. If *id* is set to `all`, the updates are applied to all channels in states CHANNELD_NORMAL CHANNELD_AWAITING_LOCKIN or DUALOPEND_AWAITING_LOCKIN. If *id* is a peerid, all channels with the +peer in those states are changed" }, "feebase": { "type": "msat", "description": "value in millisatoshi that is added as base fee to any routed payment: if omitted, it is unchanged. It can be a whole number, or a whole number ending in *msat* or *sat*, or a number with three decimal places ending in *sat*, or a number with 1 to 11 decimal places ending in *btc*" }, "feeppm": { "type": "u32", "description": "value that is added proportionally per-millionths to any routed payment volume in satoshi. For example, if ppm is 1,000 and 1,000,000 satoshi is being routed through the channel, an proportional fee of 1,000 satoshi is added, resulting in a 0.1% fee" }, "htlcmin": { "type": "msat", "description": "value that limits how small an HTLC we will forward: if omitted, it is unchanged (the default is no lower limit). It can be a whole number, or a whole number ending in *msat* or *sat*, or a number with three decimal places ending in *sat*, or a number with 1 to 11 decimal places ending in *btc*. Note that the peer also enforces a minimum for the channel: setting it below that will simply set it to that value with a warning. Also note that *htlcmin* only applies to forwarded HTLCs: we can still send smaller payments ourselves" }, "htlcmax": { "type": "msat", "description": "value that limits how large an HTLC we will forward: if omitted, it is unchanged (the default is no effective limit). It can be a whole number, or a whole number ending in *msat* or *sat*, or a number with three decimal places ending in *sat*, or a number with 1 to 11 decimal places ending in *btc*. Note that *htlcmax* only applies to forwarded HTLCs: we can still send larger payments ourselves" }, "enforcedelay": { "type": "u32", "description": "number of seconds to delay before enforcing the new fees/htlc max (default 600, which is ten minutes). This gives the network a chance to catch up with the new rates and avoids rejecting HTLCs before they do. This only has an effect if rates are increased (we always allow users to overpay fees) or *htlcmax* is decreased, and only applied to a single rate increase per channel (we don't remember an arbitrary number of prior feerates) and if the node is restarted the updated configuration is enforced immediately" }, "ignorefeelimits": { "added": "v23.08", "type": "boolean", "description": "if set to True means to allow the peer to set the commitment transaction fees (or closing transaction fees) to any value they want. This is dangerous: they could set an exorbitant fee (so HTLCs are unenforcable), or a tiny fee (so that commitment transactions cannot be relayed), but avoids channel breakage in case of feerate disagreements. (Note: the global `ignore_fee_limits` setting overrides this)" } } }