Merge pull request #1657 from TheBlueMatt/2022-08-async-man-update

[rust-lightning] / lightning / src / routing / router.rs

diff --git a/lightning/src/routing/router.rs b/lightning/src/routing/router.rs
index 1114f9901837f15d2b4b8d603e95b86190a0ec80..4c00dc5fcf9327126d0f9bd580823fd1447ea4f7 100644 (file)
--- a/lightning/src/routing/router.rs
+++ b/lightning/src/routing/router.rs
@@ -238,7 +238,7 @@ pub struct PaymentParameters {
        /// A value of 0 will allow payments up to and including a channel's total announced usable
        /// capacity, a value of one will only use up to half its capacity, two 1/4, etc.
        ///
-       /// Default value: 1
+       /// Default value: 2
        pub max_channel_saturation_power_of_half: u8,
 
        /// A list of SCIDs which this payment was previously attempted over and which caused the
@@ -253,7 +253,7 @@ impl_writeable_tlv_based!(PaymentParameters, {
        (2, features, option),
        (3, max_path_count, (default_value, DEFAULT_MAX_PATH_COUNT)),
        (4, route_hints, vec_type),
-       (5, max_channel_saturation_power_of_half, (default_value, 1)),
+       (5, max_channel_saturation_power_of_half, (default_value, 2)),
        (6, expiry_time, option),
        (7, previously_failed_channels, vec_type),
 });
@@ -268,7 +268,7 @@ impl PaymentParameters {
                        expiry_time: None,
                        max_total_cltv_expiry_delta: DEFAULT_MAX_TOTAL_CLTV_EXPIRY_DELTA,
                        max_path_count: DEFAULT_MAX_PATH_COUNT,
-                       max_channel_saturation_power_of_half: 1,
+                       max_channel_saturation_power_of_half: 2,
                        previously_failed_channels: Vec::new(),
                }
        }
@@ -1940,8 +1940,8 @@ mod tests {
        use chain::transaction::OutPoint;
        use chain::keysinterface::KeysInterface;
        use ln::features::{ChannelFeatures, InitFeatures, InvoiceFeatures, NodeFeatures};
-       use ln::msgs::{ErrorAction, LightningError, OptionalField, UnsignedChannelAnnouncement, ChannelAnnouncement, RoutingMessageHandler,
-               NodeAnnouncement, UnsignedNodeAnnouncement, ChannelUpdate, UnsignedChannelUpdate};
+       use ln::msgs::{ErrorAction, LightningError, UnsignedChannelAnnouncement, ChannelAnnouncement, RoutingMessageHandler,
+               NodeAnnouncement, UnsignedNodeAnnouncement, ChannelUpdate, UnsignedChannelUpdate, MAX_VALUE_MSAT};
        use ln::channelmanager;
        use util::test_utils;
        use util::chacha20::ChaCha20;
@@ -2133,7 +2133,7 @@ mod tests {
                                flags: 0,
                                cltv_expiry_delta: 0,
                                htlc_minimum_msat: 0,
-                               htlc_maximum_msat: OptionalField::Absent,
+                               htlc_maximum_msat: MAX_VALUE_MSAT,
                                fee_base_msat: 0,
                                fee_proportional_millionths: 0,
                                excess_data: Vec::new()
@@ -2145,7 +2145,7 @@ mod tests {
                                flags: 1,
                                cltv_expiry_delta: 0,
                                htlc_minimum_msat: 0,
-                               htlc_maximum_msat: OptionalField::Absent,
+                               htlc_maximum_msat: MAX_VALUE_MSAT,
                                fee_base_msat: 0,
                                fee_proportional_millionths: 0,
                                excess_data: Vec::new()
@@ -2239,7 +2239,7 @@ mod tests {
                        flags: 1,
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Absent,
+                       htlc_maximum_msat: MAX_VALUE_MSAT,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -2255,7 +2255,7 @@ mod tests {
                        flags: 0,
                        cltv_expiry_delta: (5 << 4) | 3,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Absent,
+                       htlc_maximum_msat: MAX_VALUE_MSAT,
                        fee_base_msat: u32::max_value(),
                        fee_proportional_millionths: u32::max_value(),
                        excess_data: Vec::new()
@@ -2267,7 +2267,7 @@ mod tests {
                        flags: 1,
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Absent,
+                       htlc_maximum_msat: MAX_VALUE_MSAT,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -2283,7 +2283,7 @@ mod tests {
                        flags: 0,
                        cltv_expiry_delta: (5 << 4) | 3,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Absent,
+                       htlc_maximum_msat: MAX_VALUE_MSAT,
                        fee_base_msat: u32::max_value(),
                        fee_proportional_millionths: u32::max_value(),
                        excess_data: Vec::new()
@@ -2295,7 +2295,7 @@ mod tests {
                        flags: 1,
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Absent,
+                       htlc_maximum_msat: MAX_VALUE_MSAT,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -2311,7 +2311,7 @@ mod tests {
                        flags: 0,
                        cltv_expiry_delta: (3 << 4) | 1,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Absent,
+                       htlc_maximum_msat: MAX_VALUE_MSAT,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -2323,7 +2323,7 @@ mod tests {
                        flags: 1,
                        cltv_expiry_delta: (3 << 4) | 2,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Absent,
+                       htlc_maximum_msat: MAX_VALUE_MSAT,
                        fee_base_msat: 100,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -2337,7 +2337,7 @@ mod tests {
                        flags: 0,
                        cltv_expiry_delta: (4 << 4) | 1,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Absent,
+                       htlc_maximum_msat: MAX_VALUE_MSAT,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 1000000,
                        excess_data: Vec::new()
@@ -2349,7 +2349,7 @@ mod tests {
                        flags: 1,
                        cltv_expiry_delta: (4 << 4) | 2,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Absent,
+                       htlc_maximum_msat: MAX_VALUE_MSAT,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -2363,7 +2363,7 @@ mod tests {
                        flags: 0,
                        cltv_expiry_delta: (13 << 4) | 1,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Absent,
+                       htlc_maximum_msat: MAX_VALUE_MSAT,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 2000000,
                        excess_data: Vec::new()
@@ -2375,7 +2375,7 @@ mod tests {
                        flags: 1,
                        cltv_expiry_delta: (13 << 4) | 2,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Absent,
+                       htlc_maximum_msat: MAX_VALUE_MSAT,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -2391,7 +2391,7 @@ mod tests {
                        flags: 0,
                        cltv_expiry_delta: (6 << 4) | 1,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Absent,
+                       htlc_maximum_msat: MAX_VALUE_MSAT,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -2403,7 +2403,7 @@ mod tests {
                        flags: 1,
                        cltv_expiry_delta: (6 << 4) | 2,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Absent,
+                       htlc_maximum_msat: MAX_VALUE_MSAT,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new(),
@@ -2417,7 +2417,7 @@ mod tests {
                        flags: 0,
                        cltv_expiry_delta: (11 << 4) | 1,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Absent,
+                       htlc_maximum_msat: MAX_VALUE_MSAT,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -2429,7 +2429,7 @@ mod tests {
                        flags: 1,
                        cltv_expiry_delta: (11 << 4) | 2,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Absent,
+                       htlc_maximum_msat: MAX_VALUE_MSAT,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -2447,7 +2447,7 @@ mod tests {
                        flags: 0,
                        cltv_expiry_delta: (7 << 4) | 1,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Absent,
+                       htlc_maximum_msat: MAX_VALUE_MSAT,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 1000000,
                        excess_data: Vec::new()
@@ -2459,7 +2459,7 @@ mod tests {
                        flags: 1,
                        cltv_expiry_delta: (7 << 4) | 2,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Absent,
+                       htlc_maximum_msat: MAX_VALUE_MSAT,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -2544,7 +2544,7 @@ mod tests {
                        flags: 2, // to disable
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Absent,
+                       htlc_maximum_msat: MAX_VALUE_MSAT,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -2556,7 +2556,7 @@ mod tests {
                        flags: 2, // to disable
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Absent,
+                       htlc_maximum_msat: MAX_VALUE_MSAT,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -2568,7 +2568,7 @@ mod tests {
                        flags: 2, // to disable
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Absent,
+                       htlc_maximum_msat: MAX_VALUE_MSAT,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -2580,7 +2580,7 @@ mod tests {
                        flags: 2, // to disable
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Absent,
+                       htlc_maximum_msat: MAX_VALUE_MSAT,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -2592,7 +2592,7 @@ mod tests {
                        flags: 2, // to disable
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Absent,
+                       htlc_maximum_msat: MAX_VALUE_MSAT,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -2607,7 +2607,7 @@ mod tests {
                        flags: 0,
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 200_000_000,
-                       htlc_maximum_msat: OptionalField::Absent,
+                       htlc_maximum_msat: MAX_VALUE_MSAT,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -2622,7 +2622,7 @@ mod tests {
                        flags: 0,
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Present(199_999_999),
+                       htlc_maximum_msat: 199_999_999,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -2641,7 +2641,7 @@ mod tests {
                        flags: 0,
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Absent,
+                       htlc_maximum_msat: MAX_VALUE_MSAT,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -2671,7 +2671,7 @@ mod tests {
                        flags: 0,
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 35_000,
-                       htlc_maximum_msat: OptionalField::Present(40_000),
+                       htlc_maximum_msat: 40_000,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -2683,7 +2683,7 @@ mod tests {
                        flags: 0,
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 35_000,
-                       htlc_maximum_msat: OptionalField::Present(40_000),
+                       htlc_maximum_msat: 40_000,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -2697,7 +2697,7 @@ mod tests {
                        flags: 0,
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Absent,
+                       htlc_maximum_msat: MAX_VALUE_MSAT,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -2709,7 +2709,7 @@ mod tests {
                        flags: 0,
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Absent,
+                       htlc_maximum_msat: MAX_VALUE_MSAT,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -2723,7 +2723,7 @@ mod tests {
                        flags: 2, // to disable
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Absent,
+                       htlc_maximum_msat: MAX_VALUE_MSAT,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -2744,7 +2744,7 @@ mod tests {
                        flags: 0,
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 65_000,
-                       htlc_maximum_msat: OptionalField::Present(80_000),
+                       htlc_maximum_msat: 80_000,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -2756,7 +2756,7 @@ mod tests {
                        flags: 0,
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Absent,
+                       htlc_maximum_msat: MAX_VALUE_MSAT,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -2768,7 +2768,7 @@ mod tests {
                        flags: 0,
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Absent,
+                       htlc_maximum_msat: MAX_VALUE_MSAT,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 100_000,
                        excess_data: Vec::new()
@@ -2807,7 +2807,7 @@ mod tests {
                        flags: 2, // to disable
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Absent,
+                       htlc_maximum_msat: MAX_VALUE_MSAT,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -2819,7 +2819,7 @@ mod tests {
                        flags: 2, // to disable
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Absent,
+                       htlc_maximum_msat: MAX_VALUE_MSAT,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -3225,7 +3225,7 @@ mod tests {
                        flags: 2, // to disable
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Absent,
+                       htlc_maximum_msat: MAX_VALUE_MSAT,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -3237,7 +3237,7 @@ mod tests {
                        flags: 2, // to disable
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Absent,
+                       htlc_maximum_msat: MAX_VALUE_MSAT,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -3297,7 +3297,7 @@ mod tests {
                        flags: 2, // to disable
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Absent,
+                       htlc_maximum_msat: MAX_VALUE_MSAT,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -3309,7 +3309,7 @@ mod tests {
                        flags: 2, // to disable
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Absent,
+                       htlc_maximum_msat: MAX_VALUE_MSAT,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -3642,7 +3642,7 @@ mod tests {
                        flags: 2,
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Present(100_000),
+                       htlc_maximum_msat: 100_000,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -3654,7 +3654,7 @@ mod tests {
                        flags: 2,
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Present(100_000),
+                       htlc_maximum_msat: 100_000,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -3669,7 +3669,7 @@ mod tests {
                        flags: 0,
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Present(1_000_000_000),
+                       htlc_maximum_msat: 1_000_000_000,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -3684,7 +3684,7 @@ mod tests {
                        flags: 0,
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Absent,
+                       htlc_maximum_msat: 250_000_000,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -3717,7 +3717,7 @@ mod tests {
                        flags: 2,
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Present(1_000_000_000),
+                       htlc_maximum_msat: 1_000_000_000,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -3752,7 +3752,7 @@ mod tests {
                        flags: 0,
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Present(1_000_000_000),
+                       htlc_maximum_msat: 1_000_000_000,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -3767,7 +3767,7 @@ mod tests {
                        flags: 0,
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Present(15_000),
+                       htlc_maximum_msat: 15_000,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -3802,7 +3802,7 @@ mod tests {
                        flags: 2,
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Absent,
+                       htlc_maximum_msat: MAX_VALUE_MSAT,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -3825,7 +3825,7 @@ mod tests {
                        flags: 0,
                        cltv_expiry_delta: (3 << 4) | 1,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Absent,
+                       htlc_maximum_msat: 15_000,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -3837,7 +3837,7 @@ mod tests {
                        flags: 1,
                        cltv_expiry_delta: (3 << 4) | 2,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Absent,
+                       htlc_maximum_msat: 15_000,
                        fee_base_msat: 100,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -3869,7 +3869,7 @@ mod tests {
                        flags: 0,
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Present(10_000),
+                       htlc_maximum_msat: 10_000,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -3917,7 +3917,7 @@ mod tests {
                        flags: 2,
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Present(100_000),
+                       htlc_maximum_msat: 100_000,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -3929,7 +3929,7 @@ mod tests {
                        flags: 2,
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Present(100_000),
+                       htlc_maximum_msat: 100_000,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -3944,7 +3944,7 @@ mod tests {
                        flags: 0,
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Present(100_000),
+                       htlc_maximum_msat: 100_000,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -3956,7 +3956,7 @@ mod tests {
                        flags: 0,
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Present(100_000),
+                       htlc_maximum_msat: 100_000,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -3969,7 +3969,7 @@ mod tests {
                        flags: 0,
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Present(50_000),
+                       htlc_maximum_msat: 50_000,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -3981,7 +3981,7 @@ mod tests {
                        flags: 0,
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Present(100_000),
+                       htlc_maximum_msat: 100_000,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -4038,7 +4038,7 @@ mod tests {
                        flags: 0,
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Present(100_000),
+                       htlc_maximum_msat: 100_000,
                        fee_base_msat: 1_000_000,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -4050,7 +4050,7 @@ mod tests {
                        flags: 0,
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Present(50_000),
+                       htlc_maximum_msat: 50_000,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -4095,7 +4095,7 @@ mod tests {
                        flags: 0,
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Present(100_000),
+                       htlc_maximum_msat: 100_000,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -4107,7 +4107,7 @@ mod tests {
                        flags: 0,
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Present(50_000),
+                       htlc_maximum_msat: 50_000,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -4122,7 +4122,7 @@ mod tests {
                        flags: 0,
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Present(60_000),
+                       htlc_maximum_msat: 60_000,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -4134,7 +4134,7 @@ mod tests {
                        flags: 0,
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Present(60_000),
+                       htlc_maximum_msat: 60_000,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -4149,7 +4149,7 @@ mod tests {
                        flags: 0,
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Present(200_000),
+                       htlc_maximum_msat: 200_000,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -4161,7 +4161,7 @@ mod tests {
                        flags: 0,
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Present(180_000),
+                       htlc_maximum_msat: 180_000,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -4252,7 +4252,7 @@ mod tests {
                        flags: 2,
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Present(100_000),
+                       htlc_maximum_msat: 100_000,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -4264,7 +4264,7 @@ mod tests {
                        flags: 2,
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Present(100_000),
+                       htlc_maximum_msat: 100_000,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -4278,7 +4278,7 @@ mod tests {
                        flags: 0,
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Present(100_000),
+                       htlc_maximum_msat: 100_000,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -4290,7 +4290,7 @@ mod tests {
                        flags: 0,
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Present(100_000),
+                       htlc_maximum_msat: 100_000,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -4305,7 +4305,7 @@ mod tests {
                        flags: 0,
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Present(200_000),
+                       htlc_maximum_msat: 200_000,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -4321,7 +4321,7 @@ mod tests {
                        flags: 0,
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Present(200_000),
+                       htlc_maximum_msat: 200_000,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -4333,7 +4333,7 @@ mod tests {
                        flags: 0,
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Present(200_000),
+                       htlc_maximum_msat: 200_000,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -4346,7 +4346,7 @@ mod tests {
                        flags: 0,
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Present(100_000),
+                       htlc_maximum_msat: 100_000,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -4358,7 +4358,7 @@ mod tests {
                        flags: 0,
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Present(100_000),
+                       htlc_maximum_msat: 100_000,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -4420,7 +4420,7 @@ mod tests {
                        flags: 2,
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Present(100_000),
+                       htlc_maximum_msat: 100_000,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -4432,7 +4432,7 @@ mod tests {
                        flags: 2,
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Present(100_000),
+                       htlc_maximum_msat: 100_000,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -4446,7 +4446,7 @@ mod tests {
                        flags: 0,
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Present(100_000),
+                       htlc_maximum_msat: 100_000,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -4458,7 +4458,7 @@ mod tests {
                        flags: 0,
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Present(100_000),
+                       htlc_maximum_msat: 100_000,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -4473,7 +4473,7 @@ mod tests {
                        flags: 0,
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Present(200_000),
+                       htlc_maximum_msat: 200_000,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -4489,7 +4489,7 @@ mod tests {
                        flags: 0,
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Present(200_000),
+                       htlc_maximum_msat: 200_000,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -4501,7 +4501,7 @@ mod tests {
                        flags: 0,
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Present(200_000),
+                       htlc_maximum_msat: 200_000,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -4514,7 +4514,7 @@ mod tests {
                        flags: 0,
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Present(100_000),
+                       htlc_maximum_msat: 100_000,
                        fee_base_msat: 1_000,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -4526,7 +4526,7 @@ mod tests {
                        flags: 0,
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Present(100_000),
+                       htlc_maximum_msat: 100_000,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -4587,7 +4587,7 @@ mod tests {
                        flags: 2,
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Present(100_000),
+                       htlc_maximum_msat: 100_000,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -4600,7 +4600,7 @@ mod tests {
                        flags: 2,
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Present(100_000),
+                       htlc_maximum_msat: 100_000,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -4614,7 +4614,7 @@ mod tests {
                        flags: 0,
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Present(100_000),
+                       htlc_maximum_msat: 100_000,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -4626,7 +4626,7 @@ mod tests {
                        flags: 0,
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Present(100_000),
+                       htlc_maximum_msat: 100_000,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -4640,7 +4640,7 @@ mod tests {
                        flags: 0,
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Present(100_000),
+                       htlc_maximum_msat: 100_000,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -4663,7 +4663,7 @@ mod tests {
                        flags: 0,
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Present(250_000),
+                       htlc_maximum_msat: 250_000,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -4675,7 +4675,7 @@ mod tests {
                        flags: 0,
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Absent,
+                       htlc_maximum_msat: MAX_VALUE_MSAT,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -4688,7 +4688,7 @@ mod tests {
                        flags: 0,
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Absent,
+                       htlc_maximum_msat: MAX_VALUE_MSAT,
                        fee_base_msat: 150_000,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -4700,7 +4700,7 @@ mod tests {
                        flags: 0,
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Absent,
+                       htlc_maximum_msat: MAX_VALUE_MSAT,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -4757,7 +4757,7 @@ mod tests {
                                cltv_expiry_delta: 42,
                                htlc_minimum_msat: None,
                                htlc_maximum_msat: None,
-                       }])]);
+                       }])]).with_max_channel_saturation_power_of_half(0);
 
                // Keep only two paths from us to nodes[2], both with a 99sat HTLC maximum, with one with
                // no fee and one with a 1msat fee. Previously, trying to route 100 sats to nodes[2] here
@@ -4771,7 +4771,7 @@ mod tests {
                        flags: 0,
                        cltv_expiry_delta: (5 << 4) | 5,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Present(99_000),
+                       htlc_maximum_msat: 99_000,
                        fee_base_msat: u32::max_value(),
                        fee_proportional_millionths: u32::max_value(),
                        excess_data: Vec::new()
@@ -4783,7 +4783,7 @@ mod tests {
                        flags: 0,
                        cltv_expiry_delta: (5 << 4) | 3,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Present(99_000),
+                       htlc_maximum_msat: 99_000,
                        fee_base_msat: u32::max_value(),
                        fee_proportional_millionths: u32::max_value(),
                        excess_data: Vec::new()
@@ -4795,7 +4795,7 @@ mod tests {
                        flags: 0,
                        cltv_expiry_delta: (4 << 4) | 1,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Absent,
+                       htlc_maximum_msat: MAX_VALUE_MSAT,
                        fee_base_msat: 1,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -4807,7 +4807,7 @@ mod tests {
                        flags: 0|2, // Channel disabled
                        cltv_expiry_delta: (13 << 4) | 1,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Absent,
+                       htlc_maximum_msat: MAX_VALUE_MSAT,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 2000000,
                        excess_data: Vec::new()
@@ -4860,7 +4860,7 @@ mod tests {
                        flags: 0,
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Present(100_000),
+                       htlc_maximum_msat: 100_000,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -4872,7 +4872,7 @@ mod tests {
                        flags: 0,
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Present(50_000),
+                       htlc_maximum_msat: 50_000,
                        fee_base_msat: 100,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -4886,7 +4886,7 @@ mod tests {
                        flags: 0,
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Present(60_000),
+                       htlc_maximum_msat: 60_000,
                        fee_base_msat: 100,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -4898,7 +4898,7 @@ mod tests {
                        flags: 0,
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Present(60_000),
+                       htlc_maximum_msat: 60_000,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -4912,7 +4912,7 @@ mod tests {
                        flags: 0,
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Present(20_000),
+                       htlc_maximum_msat: 20_000,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -4924,7 +4924,7 @@ mod tests {
                        flags: 0,
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Present(20_000),
+                       htlc_maximum_msat: 20_000,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -5011,7 +5011,7 @@ mod tests {
                        flags: 0,
                        cltv_expiry_delta: (6 << 4) | 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Absent,
+                       htlc_maximum_msat: MAX_VALUE_MSAT,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -5026,7 +5026,7 @@ mod tests {
                        flags: 0,
                        cltv_expiry_delta: (5 << 4) | 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Absent,
+                       htlc_maximum_msat: MAX_VALUE_MSAT,
                        fee_base_msat: 100,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -5041,7 +5041,7 @@ mod tests {
                        flags: 0,
                        cltv_expiry_delta: (4 << 4) | 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Absent,
+                       htlc_maximum_msat: MAX_VALUE_MSAT,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -5056,7 +5056,7 @@ mod tests {
                        flags: 0,
                        cltv_expiry_delta: (3 << 4) | 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Absent,
+                       htlc_maximum_msat: MAX_VALUE_MSAT,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -5071,7 +5071,7 @@ mod tests {
                        flags: 0,
                        cltv_expiry_delta: (2 << 4) | 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Absent,
+                       htlc_maximum_msat: MAX_VALUE_MSAT,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -5085,7 +5085,7 @@ mod tests {
                        flags: 0,
                        cltv_expiry_delta: (1 << 4) | 0,
                        htlc_minimum_msat: 100,
-                       htlc_maximum_msat: OptionalField::Absent,
+                       htlc_maximum_msat: MAX_VALUE_MSAT,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -5143,7 +5143,7 @@ mod tests {
                        flags: 0,
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Present(85_000),
+                       htlc_maximum_msat: 85_000,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -5156,7 +5156,7 @@ mod tests {
                        flags: 0,
                        cltv_expiry_delta: (4 << 4) | 1,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Present(270_000),
+                       htlc_maximum_msat: 270_000,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 1000000,
                        excess_data: Vec::new()
@@ -5208,7 +5208,7 @@ mod tests {
                        flags: 0,
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Present(80_000),
+                       htlc_maximum_msat: 80_000,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -5220,7 +5220,7 @@ mod tests {
                        flags: 0,
                        cltv_expiry_delta: (4 << 4) | 1,
                        htlc_minimum_msat: 90_000,
-                       htlc_maximum_msat: OptionalField::Absent,
+                       htlc_maximum_msat: MAX_VALUE_MSAT,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -5741,7 +5741,7 @@ mod tests {
                        flags: 0,
                        cltv_expiry_delta: (4 << 4) | 1,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Present(200_000_000),
+                       htlc_maximum_msat: 250_000_000,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -5753,7 +5753,7 @@ mod tests {
                        flags: 0,
                        cltv_expiry_delta: (13 << 4) | 1,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Present(200_000_000),
+                       htlc_maximum_msat: 250_000_000,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: Vec::new()
@@ -5762,8 +5762,8 @@ mod tests {
                let payment_params = PaymentParameters::from_node_id(nodes[2]).with_features(InvoiceFeatures::known());
                let keys_manager = test_utils::TestKeysInterface::new(&[0u8; 32], Network::Testnet);
                let random_seed_bytes = keys_manager.get_secure_random_bytes();
-               // 150,000 sat is less than the available liquidity on each channel, set above.
-               let route = get_route(&our_id, &payment_params, &network_graph.read_only(), None, 150_000_000, 42, Arc::clone(&logger), &scorer, &random_seed_bytes).unwrap();
+               // 100,000 sats is less than the available liquidity on each channel, set above.
+               let route = get_route(&our_id, &payment_params, &network_graph.read_only(), None, 100_000_000, 42, Arc::clone(&logger), &scorer, &random_seed_bytes).unwrap();
                assert_eq!(route.paths.len(), 2);
                assert!((route.paths[0][1].short_channel_id == 4 && route.paths[1][1].short_channel_id == 13) ||
                        (route.paths[1][1].short_channel_id == 4 && route.paths[0][1].short_channel_id == 13));