fix: validate new governance public key inputs

packages/common/src/utils/utils.ts

@@ -163,6 +163,14 @@ export function fromLamports(
   return (amount / precision) * rate;
 }
 
+export const tryParseKey = (key: string): PublicKey | null => {
+  try {
+    return new PublicKey(key);
+  } catch (error) {
+    return null;
+  }
+};
+
 var SI_SYMBOL = ['', 'k', 'M', 'G', 'T', 'P', 'E'];
 
 const abbreviateNumber = (number: number, precision: number) => {

packages/proposals/src/constants/labels.ts

@@ -127,8 +127,16 @@ export const LABELS = {
   SLOT_MUST_BE_NUMERIC: 'Slot can only be numeric',
   SLOT_MUST_BE_GREATER_THAN: 'Slot must be greater than or equal to ',
   DELAY: 'Slot Delay',
+
   MIN_SLOT_MUST_BE_NUMERIC: 'Minimum Slot Waiting Period can only be numeric',
   TIME_LIMIT_MUST_BE_NUMERIC: 'Time Limit can only be numeric',
+  PROGRAM_ID_IS_NOT_A_VALID_PUBLIC_KEY: (programId: string) =>
+    `Program ID: '${programId}' is not a valid public key`,
+  GOVERNANCE_MINT_IS_NOT_A_VALID_PUBLIC_KEY: (programId: string) =>
+    `Governance Mint ID: '${programId}' is not a valid public key`,
+  COUNCIL_MINT_IS_NOT_A_VALID_PUBLIC_KEY: (programId: string) =>
+    `Council Mint ID: '${programId}' is not a valid public key`,
+
   TIME_LIMIT: 'Voting Time Limit',
   THIS_CONFIG_LACKS_COUNCIL: 'This program does not have a council.',
   GIT_CONTENT_EXCEEDED:

packages/proposals/src/views/governance/register.tsx

@@ -10,9 +10,8 @@ import {
   VotingEntryRule,
   ZERO_KEY,
 } from '../../models/timelock';
-import { Link } from 'react-router-dom';
 import { LABELS } from '../../constants';
-import { contexts, utils } from '@oyster/common';
+import { contexts, utils, tryParseKey } from '@oyster/common';
 import { registerProgramGovernance } from '../../actions/registerProgramGovernance';
 import { Redirect } from 'react-router';
 import BN from 'bn.js';
@@ -96,6 +95,32 @@ export function NewForm({
       });
       return;
     }
+    if (!tryParseKey(values.program)) {
+      notify({
+        message: LABELS.PROGRAM_ID_IS_NOT_A_VALID_PUBLIC_KEY(values.program),
+        type: 'error',
+      });
+      return;
+    }
+    if (values.governanceMint && !tryParseKey(values.governanceMint)) {
+      notify({
+        message: LABELS.GOVERNANCE_MINT_IS_NOT_A_VALID_PUBLIC_KEY(
+          values.governanceMint,
+        ),
+        type: 'error',
+      });
+      return;
+    }
+    if (values.councilMint && !tryParseKey(values.councilMint)) {
+      notify({
+        message: LABELS.COUNCIL_MINT_IS_NOT_A_VALID_PUBLIC_KEY(
+          values.councilMint,
+        ),
+        type: 'error',
+      });
+      return;
+    }
+
     const uninitializedConfig = {
       timelockType: values.timelockType,
       executionType: values.executionType,