Fixed veOgv bug on dApp (#371)

* fixed veOgv bug

* add comment for epoch and remove console log

.gitignore

@@ -11,3 +11,4 @@ retroactive/progress.json
 .env
 scripts/claims.json
 scripts/claims_dev.json
+.vscode

client/components/vote-escrow/LockupForm.tsx

@@ -145,8 +145,16 @@ const LockupForm: FunctionComponent<LockupFormProps> = ({ existingLockup }) => {
   // as specified here: https://github.com/OriginProtocol/ousd-governance/blob/master/contracts/OgvStaking.sol#L21
   const votingDecayFactor = 1.8;
 
-  const veOgvFromOgvLockup =
-    lockupAmount * votingDecayFactor ** (lockupDuration / 12);
+  // block.timestamp of when OgvStaking.sol was launched
+  const epoch = 1657584000;
+  const duration = lockupDuration * SECONDS_IN_A_MONTH;
+  // Since we'll be using blockTimestamp from CURRENT block, calculation will be
+  // a hair outdated... but it's negligible
+  const start = blockTimestamp > epoch ? blockTimestamp : epoch; // In prod, should always be blockTimestamp
+  const end = start + duration;
+  const dist = end - epoch; // Distance between end of staking period and the very beginning when staking was launched
+  const multiplier = dist / 365 / 86400;
+  const veOgvFromOgvLockup = lockupAmount * votingDecayFactor ** multiplier;
 
   const ogvLockupRewardApy = getRewardsApy(
     veOgvFromOgvLockup,