Fix variance threshold in Aggregator.setConfig

javascript/solana.js/src/accounts/aggregatorAccount.ts

@@ -32,6 +32,7 @@ import { AggregatorHistoryBuffer } from './aggregatorHistoryBuffer';
 import { CrankAccount } from './crankAccount';
 import assert from 'assert';
 import { BN } from 'bn.js';
+import _ from 'lodash';
 
 /**
  * Account type holding a data feed's update configuration, job accounts, and its current result.
@@ -954,6 +955,7 @@ export class AggregatorAccount extends Account<types.AggregatorAccountData> {
       });
     }
 
+    const varianceThreshold = params.varianceThreshold ?? 0;
     const setConfigIxn = types.aggregatorSetConfig(
       this.program,
       {
@@ -974,11 +976,9 @@ export class AggregatorAccount extends Account<types.AggregatorAccountData> {
           minJobResults: params.minJobResults ?? null,
           forceReportPeriod: params.forceReportPeriod ?? null,
           varianceThreshold:
-            params.varianceThreshold && params.varianceThreshold >= 0
+            varianceThreshold >= 0
               ? new types.BorshDecimal(
-                  types.SwitchboardDecimal.fromBig(
-                    new Big(params.varianceThreshold)
-                  )
+                  types.SwitchboardDecimal.fromBig(new Big(varianceThreshold))
                 )
               : null,
           basePriorityFee: params.basePriorityFee ?? null,

javascript/solana.js/test/aggregator.spec.ts

@@ -333,6 +333,7 @@ describe('Aggregator Tests', () => {
       minRequiredJobResults: 1,
       minUpdateDelaySeconds: 60,
       keypair: aggregatorKeypair,
+      varianceThreshold: 1,
     });
     await aggregatorAccount.loadData();
 
@@ -372,11 +373,16 @@ describe('Aggregator Tests', () => {
       authority: aggregatorAuthority,
       minUpdateDelaySeconds: 300,
       force: true, // Bypass validation rules.
+      varianceThreshold: 0,
     });
     const postUpdateAggregatorState = await aggregatorAccount.loadData();
     assert(
       postUpdateAggregatorState.minUpdateDelaySeconds === 300,
-      `Failed to setConfig on aggregator`
+      `Failed to setConfig on aggregator (minUpdateDelaySeconds)`
+    );
+    assert(
+      postUpdateAggregatorState.varianceThreshold.toBig().toNumber() === 0,
+      `Failed to setConfig on aggregator (varianceThreshold)`
     );
   });