updated rebase script

Author: aalavandhan

sdk/ampleforth.js

@@ -34,11 +34,10 @@ const execRebase = async (
   txParams = {},
 ) => {
   // Casting percChange to Bignumber.js instance to handle floating points
-  const rateDiff = BigNumber(AMPL_BASE_RATE.toString())
-    .times(percChange)
-    .div(100)
-    .toString(10);
-  const newRate = AMPL_BASE_RATE.add(rateDiff);
+  const newRate = new BigNumber(AMPL_BASE_RATE.toString())
+      .times(100 + parseFloat(percChange))
+      .div(100)
+      .toString(10);
 
   const rateTx = await rateOracle.connect(signer).pushReport(newRate, txParams);
   await rateTx.wait();

tasks/ops/rebase.js

@@ -14,7 +14,7 @@ const {
 const { printRebaseInfo, execRebase } = require('../../sdk/ampleforth');
 
 txTask('testnet:rebase:base_chain', 'Executes rebase on the base chain')
-  .addParam('rebasePerc', 'The rebase percentage to be applied', 0, types.float)
+  .addParam('rebasePerc', 'The rebase percentage to be applied', '0')
   .setAction(async (args, hre) => {
     const txParams = { gasPrice: args.gasPrice, gasLimit: args.gasLimit };
     if (txParams.gasPrice == 0) {