apply loan origination fee buffer

Signed-off-by: microwavedcola1 <microwavedcola@gmail.com>

ts/client/src/accounts/healthCache.ts

@@ -5,6 +5,7 @@ import {
   I80F48,
   I80F48Dto,
   MAX_I80F48,
+  ONE_I80F48,
   ZERO_I80F48,
 } from './I80F48';
 import { HealthType } from './mangoAccount';
@@ -312,7 +313,13 @@ export class HealthCache {
       );
     }
 
-    return amount.div(source.oraclePrice);
+    return amount
+      .div(source.oraclePrice)
+      .mul(
+        ONE_I80F48.sub(
+          group.banksMap.get(sourceTokenName).loanOriginationFeeRate,
+        ),
+      );
   }
 }
 

ts/client/src/accounts/mangoAccount.ts

@@ -218,9 +218,10 @@ export class MangoAccount {
   }
 
   /**
-   * The amount of given source native token you can swap to a target token considering all existing assets as collateral.
-   * note: slippageAndFeesFactor is a normalized number, <1, e.g. a slippage of 5% and some fees which are 1%, then slippageAndFeesFactor = 0.94
-   * the factor is used to compute how much target can be obtained by swapping source TODO: loan origination fees
+   * The max amount of given source native token you can swap to a target token.
+   * note: slippageAndFeesFactor is a normalized number, <1,
+   *  e.g. a slippage of 5% and some fees which are 1%, then slippageAndFeesFactor = 0.94
+   *  the factor is used to compute how much target can be obtained by swapping source
    */
   getMaxSourceForTokenSwap(
     group: Group,