From 51ff8cf795d22390756761dc294c48e7374eed3e Mon Sep 17 00:00:00 2001
From: Austin <awwoetzel@gmail.com>
Date: Wed, 24 Jan 2024 09:08:15 -0600
Subject: [PATCH] fix: stableswap unbound function

---
 .changeset/short-worms-serve.md        | 5 +++++
 src/lib/swap/stableswapCurve/stable.ts | 2 +-
 2 files changed, 6 insertions(+), 1 deletion(-)
 create mode 100644 .changeset/short-worms-serve.md

diff --git a/.changeset/short-worms-serve.md b/.changeset/short-worms-serve.md
new file mode 100644
index 0000000..76395ad
--- /dev/null
+++ b/.changeset/short-worms-serve.md
@@ -0,0 +1,5 @@
+---
+"@shadeprotocol/shadejs": patch
+---
+
+fix unbound function in stableswap math
diff --git a/src/lib/swap/stableswapCurve/stable.ts b/src/lib/swap/stableswapCurve/stable.ts
index e5651e0..1cabbc6 100644
--- a/src/lib/swap/stableswapCurve/stable.ts
+++ b/src/lib/swap/stableswapCurve/stable.ts
@@ -738,7 +738,7 @@ export class StableConfig {
       initialGuessNewton: tvl,
       upperBoundBisect: tvl,
       ignoreNegativeResult: true,
-      lazyLowerBoundBisect: this.geometricMeanDoubled,
+      lazyLowerBoundBisect: this.geometricMeanDoubled.bind(this),
       lowerBoundBisect: undefined,
     });
   }