fix(balance-monitoring): reduce top-up amount to 1% of threshold

Change the top-up logic for both BalanceOnChain and HelixLiquidity modules to increase
the balance by only 1% of the threshold value, ensuring more precise management of funds
and preventing overtopping accounts with unnecessary large amounts. The adjustment was
previously set to 30% of the threshold.

Additionally, an erroneous debt calculation test case in Aave has been corrected to reflect
the correct balance, ensuring accurate test results.

utils/bot/balance_on_chain/monitor.go

@@ -45,7 +45,7 @@ func (b BalanceOnChain) Check(ctx context.Context, args bot.Params) ([]bot.Task,
 	}
 	amount := config.GetTokenPurchaseAmount(info.Wallet.GetAddress().Hex(), info.TokenName, info.Chain)
 	if balance.Add(amount).LessThanOrEqual(threshold) {
-		newAmount := threshold.Add(threshold.Mul(decimal.RequireFromString("0.3")))
+		newAmount := threshold.Add(threshold.Mul(decimal.RequireFromString("0.01")))
 		log.Infof("The %s current balance is %s, amount in config is %s, balance(%s) + amount(%s) <= threshold(%s), so set amount to %s",
 			info.Wallet.GetAddress(), balance, amount, balance, amount, threshold, newAmount)
 		amount = newAmount

utils/bot/helix_liquidity/aave_debt_test.go

@@ -41,4 +41,21 @@ func TestAave_BalanceOf(t *testing.T) {
 	})
 	assert.NoError(t, err)
 	assert.Equal(t, balance.String(), strconv.Itoa(1000-900))
+
+	mockClient = chain_mocks.NewMockClient(t)
+	mockClient.On("CallContract", context.TODO(), ethereum.CallMsg{To: &token, Data: input}, mock.Anything).Return(
+		chains.EthToWei(decimal.RequireFromString("0"), 6).Bytes(), nil,
+	)
+
+	mockClient.On("CallContract", context.TODO(), ethereum.CallMsg{To: &vtoken, Data: input}, mock.Anything).Return(
+		chains.EthToWei(decimal.RequireFromString("100"), 6).Bytes(), nil,
+	)
+	balance, err = new(Aave).BalanceOf(context.TODO(), DebtParams{
+		Address: constant.ZeroAddress,
+		Token:   "USDC",
+		Client:  mockClient,
+		Chain:   constant.ArbitrumSepolia,
+	})
+	assert.NoError(t, err)
+	assert.Equal(t, balance.String(), strconv.Itoa(-100))
 }

utils/bot/helix_liquidity/helix_liquidity.go

@@ -70,7 +70,7 @@ func (h HelixLiquidity) Check(ctx context.Context, args bot.Params) ([]bot.Task,
 	}
 
 	if total.Add(purchaseAmount).LessThanOrEqual(threshold) {
-		newAmount := threshold.Add(threshold.Mul(decimal.RequireFromString("0.3")))
+		newAmount := threshold.Add(threshold.Mul(decimal.RequireFromString("0.01")))
 		log.Infof("The %s %s on %s current balance is %s, amount in config is %s, balance(%s) + amount(%s) <= threshold(%s), so set amount to %s",
 			args.Info.Wallet.GetAddress(), args.Info.TokenName, args.Info.Chain, total, purchaseAmount, total, purchaseAmount, threshold, newAmount)
 		purchaseAmount = newAmount