add optional custom margin ratio param to initAndDeposit

CHANGELOG.md

@@ -12,11 +12,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - sdk: add ability to do placeAndTake order with bracket orders attached
 - sdk: add option to cancel existing orders in market for place and take order
 - sdk: add option to get signed settlePnl tx back from a market order
-
 - program: auto derisk lp positions in settle pnl ([#766](https://github.com/drift-labs/protocol-v2/pull/766))
 - program: increase full perp liquidation threshold ([#807](https://github.com/drift-labs/protocol-v2/pull/807))
 - program: remove spot fee pool transfer ([#800](https://github.com/drift-labs/protocol-v2/pull/800))
 - program: increase insurance tier max ([#784](https://github.com/drift-labs/protocol-v2/pull/784))
+- sdk: can specify max custom margin ratio to initialize a new account with
 
 ### Fixes
 

sdk/src/driftClient.ts

@@ -1866,7 +1866,8 @@ export class DriftClient {
 		fromSubAccountId?: number,
 		referrerInfo?: ReferrerInfo,
 		donateAmount?: BN,
-		txParams?: TxParams
+		txParams?: TxParams,
+		customMaxMarginRatio?: number
 	): Promise<[TransactionSignature, PublicKey]> {
 		const ixs = [];
 
@@ -1960,6 +1961,15 @@ export class DriftClient {
 			ixs.push(donateIx);
 		}
 
+		// Set the max margin ratio to initialize account with if passed
+		if (customMaxMarginRatio) {
+			const customMarginRatioIx = await this.getUpdateUserCustomMarginRatioIx(
+				customMaxMarginRatio,
+				subAccountId
+			);
+			ixs.push(customMarginRatioIx);
+		}
+
 		// Close the wrapped sol account at the end of the transaction
 		if (createWSOLTokenAccount) {
 			ixs.push(