Refactor time period handling in ERC20 and native token contexts to remove getClosestTimePeriod function; simplify duration conversion logic

Author: mj-kiwi

packages/gator-permissions-snap/src/permissions/erc20TokenPeriodic/context.ts

@@ -8,8 +8,9 @@ import {
   type Hex,
 } from '@metamask/utils';
 
+import type { TimePeriod } from '../../core/types';
 import type { TokenMetadataService } from '../../services/tokenMetadataService';
-import { getClosestTimePeriod, TIME_PERIOD_TO_SECONDS } from '../../utils/time';
+import { TIME_PERIOD_TO_SECONDS } from '../../utils/time';
 import { parseUnits, formatUnitsFromHex } from '../../utils/value';
 import {
   validateAndParseAmount,
@@ -177,8 +178,11 @@ export async function buildContext({
     decimals,
   });
 
-  const periodType = getClosestTimePeriod(data.periodDuration);
-  const periodDuration = TIME_PERIOD_TO_SECONDS[periodType].toString();
+  const periodType = (Object.keys(TIME_PERIOD_TO_SECONDS) as TimePeriod[]).find(
+    (key: TimePeriod) =>
+      Number(TIME_PERIOD_TO_SECONDS[key]) === data.periodDuration,
+  );
+  const periodDuration = data.periodDuration.toString();
 
   const startTime = data.startTime ?? Math.floor(Date.now() / 1000);
 

packages/gator-permissions-snap/src/permissions/nativeTokenPeriodic/context.ts

@@ -8,8 +8,9 @@ import {
   type Hex,
 } from '@metamask/utils';
 
+import type { TimePeriod } from '../../core/types';
 import type { TokenMetadataService } from '../../services/tokenMetadataService';
-import { getClosestTimePeriod, TIME_PERIOD_TO_SECONDS } from '../../utils/time';
+import { TIME_PERIOD_TO_SECONDS } from '../../utils/time';
 import { parseUnits, formatUnitsFromHex } from '../../utils/value';
 import {
   validateAndParseAmount,
@@ -177,8 +178,11 @@ export async function buildContext({
     decimals,
   });
 
-  const periodType = getClosestTimePeriod(data.periodDuration);
-  const periodDuration = TIME_PERIOD_TO_SECONDS[periodType].toString();
+  const periodType = (Object.keys(TIME_PERIOD_TO_SECONDS) as TimePeriod[]).find(
+    (key: TimePeriod) =>
+      Number(TIME_PERIOD_TO_SECONDS[key]) === data.periodDuration,
+  );
+  const periodDuration = data.periodDuration.toString();
 
   const startTime = data.startTime ?? Math.floor(Date.now() / 1000);