is oracle divergent sdk fix

Author: moosecat2

sdk/src/driftClient.ts

@@ -9402,8 +9402,7 @@ export class DriftClient {
 					confidence: conf,
 					hasSufficientNumberOfDataPoints: true,
 				},
-				stateAccountAndSlot.data.oracleGuardRails,
-				perpMarket.amm.mmOracleSlot
+				stateAccountAndSlot.data.oracleGuardRails
 			) ||
 			perpMarket.amm.mmOraclePrice.eq(ZERO) ||
 			isExchangeOracleMoreRecent ||

sdk/src/math/oracles.ts

@@ -97,27 +97,18 @@ export function isOracleValid(
 export function isOracleTooDivergent(
 	amm: AMM,
 	oraclePriceData: OraclePriceData,
-	oracleGuardRails: OracleGuardRails,
-	now: BN
+	oracleGuardRails: OracleGuardRails
 ): boolean {
-	const sinceLastUpdate = now.sub(
-		amm.historicalOracleData.lastOraclePriceTwapTs
-	);
-	const sinceStart = BN.max(ZERO, FIVE_MINUTE.sub(sinceLastUpdate));
-	const oracleTwap5min = amm.historicalOracleData.lastOraclePriceTwap5Min
-		.mul(sinceStart)
-		.add(oraclePriceData.price)
-		.mul(sinceLastUpdate)
-		.div(sinceStart.add(sinceLastUpdate));
-
-	const oracleSpread = oracleTwap5min.sub(oraclePriceData.price);
-	const oracleSpreadPct = oracleSpread.mul(PRICE_PRECISION).div(oracleTwap5min);
-
+	const oracleSpreadPct = oraclePriceData.price
+		.sub(amm.historicalOracleData.lastOraclePriceTwap5Min)
+		.mul(PERCENTAGE_PRECISION)
+		.div(amm.historicalOracleData.lastOraclePriceTwap5Min);
 	const maxDivergence = BN.max(
 		oracleGuardRails.priceDivergence.markOraclePercentDivergence,
 		PERCENTAGE_PRECISION.div(new BN(10))
 	);
-
+	console.log(`oracle spread pct: ${oracleSpreadPct.toString()}`);
+	console.log(`max divergence: ${maxDivergence.toString()}`);
 	const tooDivergent = oracleSpreadPct.abs().gte(maxDivergence);
 
 	return tooDivergent;