From f7c83b33707890f503af523a52e0480ea17404a8 Mon Sep 17 00:00:00 2001
From: Razorback <raz.w@binance.com>
Date: Fri, 20 Sep 2024 11:07:05 +0800
Subject: [PATCH 1/2] feat: add script to update mcr

---
 scripts/dev/update_bnb_mcr.ts | 58 +++++++++++++++++++++++++++++++++++
 1 file changed, 58 insertions(+)
 create mode 100644 scripts/dev/update_bnb_mcr.ts

diff --git a/scripts/dev/update_bnb_mcr.ts b/scripts/dev/update_bnb_mcr.ts
new file mode 100644
index 00000000..282923f5
--- /dev/null
+++ b/scripts/dev/update_bnb_mcr.ts
@@ -0,0 +1,58 @@
+import { ethers, upgrades } from "hardhat";
+
+const SPOTTER = "0xa2882B6AC7cBA1b8784BF5D72F38CF0E6416263e";
+
+const BNB_CLIPPER = "0x14DD6c86d24A72b42648D9a642318375A26ed108";
+const BNB_MAT = "1200000000000000000000000000"; // 120% mcr
+const BNB_ILK =
+  "0x636541424e426300000000000000000000000000000000000000000000000000";
+
+//////////// Adjust BNB MCR ////////////
+/// 1. deploy LinearDecrease contract
+/// 2. set tau to 5 hours
+/// 3. set Clipper calc to new LinearDecrease
+/// 4. set Clipper mat to new MCR
+/// 5. verify LinearDecrease contract
+async function main() {
+  const Abaci = await ethers.getContractFactory("LinearDecrease");
+  const abaci = await upgrades.deployProxy(Abaci, []);
+  await abaci.waitForDeployment();
+
+  console.log("LinearDecrease deployed to:", abaci.target);
+
+  const tau = "18000"; // 5 hours
+  await abaci.file(ethers.encodeBytes32String("tau"), tau);
+
+  const Clipper = await ethers.getContractFactory("Clipper");
+  const clipper = Clipper.attach(BNB_CLIPPER);
+  await clipper["file(bytes32,address)"](
+    ethers.encodeBytes32String("calc"),
+    abaci.target
+  );
+
+  const Spotter = await ethers.getContractFactory("Spotter");
+  const spotter = Spotter.attach(SPOTTER);
+  await spotter["file(bytes32,bytes32,uint256)"](
+    BNB_ILK,
+    ethers.encodeBytes32String("mat"),
+    BNB_MAT
+  );
+
+  const { mat: newMat } = await spotter.ilks(BNB_ILK);
+
+  console.log("tau set to: ", (await abaci.tau()).toString());
+  console.log("Clipper calc set to: ", (await clipper.calc()).toString());
+  console.log("Clipper mat set to: ", newMat.toString());
+
+  await run("verify:verify", {
+    address: abaci.target,
+    constructorArguments: [],
+  });
+}
+
+main()
+  .then(() => process.exit(0))
+  .catch((error) => {
+    console.error(error);
+    process.exit(1);
+  });

From 4692fe42ff200a28f7a97e49b5a3f056d388cffa Mon Sep 17 00:00:00 2001
From: Razorback <raz.w@binance.com>
Date: Fri, 20 Sep 2024 14:59:49 +0800
Subject: [PATCH 2/2] feat: adjust time for auction reset

---
 scripts/dev/update_bnb_mcr.ts | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/scripts/dev/update_bnb_mcr.ts b/scripts/dev/update_bnb_mcr.ts
index 282923f5..a3eb91de 100644
--- a/scripts/dev/update_bnb_mcr.ts
+++ b/scripts/dev/update_bnb_mcr.ts
@@ -6,10 +6,12 @@ const BNB_CLIPPER = "0x14DD6c86d24A72b42648D9a642318375A26ed108";
 const BNB_MAT = "1200000000000000000000000000"; // 120% mcr
 const BNB_ILK =
   "0x636541424e426300000000000000000000000000000000000000000000000000";
+const TAU = "3600"; // 1 hour
+const BNB_TAIL = "1200"; // 20 minutes elapsed before reset
 
 //////////// Adjust BNB MCR ////////////
 /// 1. deploy LinearDecrease contract
-/// 2. set tau to 5 hours
+/// 2. set tau to 1 hours
 /// 3. set Clipper calc to new LinearDecrease
 /// 4. set Clipper mat to new MCR
 /// 5. verify LinearDecrease contract
@@ -20,8 +22,7 @@ async function main() {
 
   console.log("LinearDecrease deployed to:", abaci.target);
 
-  const tau = "18000"; // 5 hours
-  await abaci.file(ethers.encodeBytes32String("tau"), tau);
+  await abaci.file(ethers.encodeBytes32String("tau"), TAU);
 
   const Clipper = await ethers.getContractFactory("Clipper");
   const clipper = Clipper.attach(BNB_CLIPPER);
@@ -29,6 +30,10 @@ async function main() {
     ethers.encodeBytes32String("calc"),
     abaci.target
   );
+  await clipper["file(bytes32,uint256)"](
+    ethers.encodeBytes32String("tail"),
+    BNB_TAIL
+  );
 
   const Spotter = await ethers.getContractFactory("Spotter");
   const spotter = Spotter.attach(SPOTTER);
@@ -42,7 +47,8 @@ async function main() {
 
   console.log("tau set to: ", (await abaci.tau()).toString());
   console.log("Clipper calc set to: ", (await clipper.calc()).toString());
-  console.log("Clipper mat set to: ", newMat.toString());
+  console.log("Clipper tail set to: ", (await clipper.tail()).toString());
+  console.log("Spotter mat set to: ", newMat.toString());
 
   await run("verify:verify", {
     address: abaci.target,