refactor: isValidatorNascent, SHARD_COMMITTEE_PERIOD

Author: wackerow

Diff for: src/pages/Actions/components/ForceExit.tsx

@@ -25,7 +25,7 @@ import {
   modalLayerStyle,
 } from './Shared';
 
-import { generateWithdrawalParams } from '../utils';
+import { generateWithdrawalParams, isValidatorNascent } from '../utils';
 import { getEtherBalance } from '../../../utils/validators';
 import { getSignTxStatus } from '../../../utils/txStatus';
 import { TICKER_NAME } from '../../../utils/envVars';
@@ -114,6 +114,7 @@ const ForceExit: React.FC<Props> = ({ validator }) => {
         label={<FormattedMessage defaultMessage="Exit fully" />}
         onClick={handleOpen}
         destructive
+        disabled={isValidatorNascent(validator)} // https://github.com/ethereum/consensus-specs/blob/dev/specs/electra/beacon-chain.md#modified-process_voluntary_exit
       />
 
       {showModal && (

Diff for: src/pages/Actions/components/PartialWithdraw.tsx

@@ -24,15 +24,14 @@ import {
 import { Text } from '../../../components/Text';
 import { TransactionStatusInsert } from '../../../components/TransactionStatusModal/TransactionStatusInsert';
 
-import { generateWithdrawalParams } from '../utils';
+import { generateWithdrawalParams, isValidatorNascent } from '../utils';
 import { getEtherBalance } from '../../../utils/validators';
 import { getSignTxStatus } from '../../../utils/txStatus';
 import { MIN_ACTIVATION_BALANCE, TICKER_NAME } from '../../../utils/envVars';
 
 import { useExecutionBalance } from '../../../hooks/useExecutionBalance';
 import { useTxModal } from '../../../hooks/useTxModal';
 import { useWithdrawalQueue } from '../../../hooks/useWithdrawalQueue';
-import { currentEpoch } from '../../../utils/beaconchain';
 
 interface Props {
   validator: BeaconChainValidator;
@@ -114,9 +113,7 @@ const PartialWithdraw: React.FC<Props> = ({ validator }) => {
   return (
     <>
       <Button
-        disabled={
-          maxAmount <= 0 || currentEpoch < validator.activationepoch + 256
-        }
+        disabled={maxAmount <= 0 || isValidatorNascent(validator)} // https://github.com/ethereum/consensus-specs/blob/dev/specs/electra/beacon-chain.md#new-process_withdrawal_request
         onClick={handleOpen}
         label={<FormattedMessage defaultMessage="Start withdrawal" />}
       />

Diff for: src/pages/Actions/components/ValidatorActions.tsx

@@ -27,7 +27,7 @@ import {
   MIN_DEPOSIT_ETHER,
   TICKER_NAME,
 } from '../../../utils/envVars';
-import { currentEpoch } from '../../../utils/beaconchain';
+import { isValidatorNascent } from '../utils';
 
 const Section = styled(SharedSection)`
   display: grid;
@@ -98,13 +98,13 @@ const ValidatorActions: React.FC<Props> = ({ validator, validators }) => {
       const isSameCredentials =
         v.withdrawalcredentials.slice(4) ===
         validator.withdrawalcredentials.slice(4);
-      const isNacent = currentEpoch < v.activationepoch + 256;
+      const isNascent = isValidatorNascent(v); // https://github.com/ethereum/consensus-specs/blob/dev/specs/electra/beacon-chain.md#new-process_consolidation_request
       return (
         !isSameValidator &&
         isExecutionOrLater &&
         hasBalance &&
         isSameCredentials &&
-        !isNacent
+        !isNascent
       );
     });
 
@@ -208,7 +208,7 @@ const ValidatorActions: React.FC<Props> = ({ validator, validators }) => {
               <FormattedMessage defaultMessage="Account must first be upgraded to compounding type." />
             </em>
           )}
-          {(true || currentEpoch < validator.activationepoch + 256) && (
+          {isValidatorNascent(validator) && (
             <em>
               {' '}
               <FormattedMessage defaultMessage="Account must be activated for at least 256 epochs (~27 hours) before eligible for partial withdrawals." />

Diff for: src/pages/Actions/utils.ts

@@ -7,7 +7,10 @@ import {
   WITHDRAWAL_CONTRACT_ADDRESS,
   TICKER_NAME,
   EXCESS_INHIBITOR,
+  SHARD_COMMITTEE_PERIOD,
 } from '../../utils/envVars';
+import { BeaconChainValidator } from '../TopUp/types';
+import { currentEpoch } from '../../utils/beaconchain';
 
 export type Queue = {
   length: BigNumber;
@@ -155,3 +158,6 @@ export const getFeeStatus = (fee: BigNumber): FeeStatus => {
 
 export const getEtherFeeFromQueue = (queue: Queue): string =>
   `${queue.fee.dividedBy(1e18).toFixed()} ${TICKER_NAME}`;
+
+export const isValidatorNascent = (validator: BeaconChainValidator): boolean =>
+  currentEpoch < validator.activationepoch + SHARD_COMMITTEE_PERIOD;

Diff for: src/utils/envVars.ts

@@ -73,6 +73,10 @@ if(process.env.REACT_APP_MIN_GENESIS_TIME && Number.isNaN(Number(process.env.REA
     throw new Error("REACT_APP_MIN_GENESIS_TIME must be of type: number")
 }
 export const BEACON_CHAIN_GENESIS_TIME  = Number(process.env.REACT_APP_MIN_GENESIS_TIME) || 1606824023_000 // 2020-12-01T12:00:23Z
+if(process.env.REACT_APP_SHARD_COMMITTEE_PERIOD && Number.isNaN(Number(process.env.REACT_APP_SHARD_COMMITTEE_PERIOD))) {
+    throw new Error("REACT_APP_SHARD_COMMITTEE_PERIOD must be of type: number")
+}
+export const SHARD_COMMITTEE_PERIOD  = Number(process.env.REACT_APP_SHARD_COMMITTEE_PERIOD) || 2 ** 8; // 256 epochs
 
 if(process.env.REACT_APP_SLOTS_PER_EPOCH && Number.isNaN(Number(process.env.REACT_APP_SLOTS_PER_EPOCH))) {
     throw new Error("REACT_APP_SLOTS_PER_EPOCH must be of type: number")