adds a simulation for IR update

test/balancer/test_ir.js

@@ -0,0 +1,74 @@
+const { expect } = require("chai");
+const { ethers } = require("hardhat");
+const { tokens, deployments, wallets } = require("../../utils/constants");
+const { impersonate, sendEth, increaseTime, toBN, Const, getBlockTimestamp } = require("../../utils/helper_functions");
+
+contract.skip("BalancerManualIR", async function () {
+	before(async () => {
+        sweep = await ethers.getContractAt("SweepCoin", tokens.sweep);
+		balancer = await ethers.getContractAt("Balancer", deployments.balancer);
+
+        await sendEth(wallets.multisig);
+        multisig = await impersonate(wallets.multisig);
+	});
+
+	it('overrides IR', async () => {
+        await log();
+
+        targetInterestRate = 6; // 6%
+        newNextPeriodStart = 1705967175;
+        newDailyRate = parseInt(targetInterestRate * 1e8 / 365) + 1;
+        console.log("New Daily Rate", newDailyRate);
+        console.log("Setting IR to:", formatInterestRate(newDailyRate));
+        console.log("At:", formatTimestamp(newNextPeriodStart));
+        await balancer.connect(multisig).updateInterestRate(newDailyRate, newNextPeriodStart, { value: ethers.utils.parseEther("0.05") });
+
+        await log();
+	});
+});
+
+async function log() {
+    console.log("==========================================================")
+    console.log("CurrentPeriodStart:", formatTimestamp(await sweep.currentPeriodStart()));
+    console.log("NextPeriodStart:", formatTimestamp(await sweep.nextPeriodStart()));
+    console.log("CurrentInterestRate:", formatInterestRate(await sweep.currentInterestRate()));
+    console.log("NextInterestRate:", formatInterestRate(await sweep.nextInterestRate()));
+    console.log("CurrentTargetPrice:", formatPrice(await sweep.currentTargetPrice()));
+    console.log("NextTargetPrice:", formatPrice(await sweep.nextTargetPrice()));
+    console.log("StepValue:", formatInterestRate(await sweep.stepValue()));
+    console.log("Period:", formatSeconds(await balancer.period()));
+    console.log("==========================================================");
+
+}
+
+function formatSeconds(seconds) {
+    s = parseInt(seconds.toString());
+    r = parseInt(s / (60*60*24));
+    return r + " days";
+}
+
+function formatPrice(price) {
+    p = parseInt(price.toString()) / 1e6;
+    return p + " USD";
+}
+
+function formatInterestRate(interestRate) {
+    ir = parseInt(interestRate.toString()) * 365 / 1e8;
+    return ir + " %" ;
+}
+
+function formatTimestamp(unix_timestamp) {
+    var date = new Date(unix_timestamp * 1000);
+
+    var year = date.getFullYear();
+    var month = date.getMonth() + 1;
+    var day = date.getDate();
+    var formattedDate = day + '/' + month + '/' + year;
+
+    var hours = date.getHours();
+    var minutes = "0" + date.getMinutes();
+    var seconds = "0" + date.getSeconds();
+    var formattedTime = hours + ':' + minutes.substr(-2) + ':' + seconds.substr(-2);
+
+    return formattedDate + " " + formattedTime;
+}