feat: maxUnlockingChunks (#1071)

* maxUnlockingChunks

* using getDapp method

src/i18n/en-US/index.ts

@@ -694,13 +694,16 @@ export default {
       Disabled: 'Pallet is disabled/in maintenance mode.',
       NoExpiredEntries: 'There are no expired entries to clean up.',
       NoStakingInfo: 'Account has no staking information for the contract',
+      NotOperatedDApp: 'dApp is part of dApp staking but is not active anymore.',
       PeriodEndsNextEra: 'Period ends in the next era.',
       TooManyStakedContracts:
         'There are too many contract stake entries for the account. This can be cleaned up by either unstaking or cleaning expired entries.',
+      TooManyUnlockingChunks:
+        'Contract has too many unlocking chunks. Withdraw the existing chunks if possible or wait for current chunks to complete unlocking process to withdraw them.',
       UnavailableStakeFunds:
         'The staking amount surpasses the current balance available for staking.',
-      UnclaimedRewardsFromPastPeriods:
-        'There are unclaimed rewards remaining from past periods. They should be claimed before staking again.',
+      UnclaimedRewards:
+        'There are unclaimed rewards remaining from past eras or periods. They should be claimed before attempting any stake modification again.',
       UnstakeAmountTooLarge: 'Unstake amount is greater than the staked amount.',
       UnstakeFromPastPeriod:
         'Unstaking is rejected since the period in which past stake was active has passed.',

src/staking-v3/hooks/useDappStaking.ts

@@ -33,7 +33,7 @@ export function useDappStaking() {
   const { t } = useI18n();
   const store = useStore();
   const { currentAccount } = useAccount();
-  const { registeredDapps, fetchStakeAmountsToStore } = useDapps();
+  const { registeredDapps, fetchStakeAmountsToStore, getDapp } = useDapps();
   const { decimal } = useChainMetadata();
   const { useableBalance } = useBalance(currentAccount);
 
@@ -138,7 +138,7 @@ export function useDappStaking() {
       : true;
 
   const stake = async (dappAddress: string, amount: number): Promise<void> => {
-    const [result, error] = await canStake(amount);
+    const [result, error] = await canStake(dappAddress, amount);
     if (!result) {
       throw error;
     }
@@ -281,58 +281,83 @@ export function useDappStaking() {
     store.commit('stakingV3/setCurrentEraInfo', eraInfo);
   };
 
-  const canStake = async (amount: number): Promise<[boolean, string]> => {
+  const canStake = async (
+    dappAddress: string,
+    amount: number,
+    ignoreCanClaim = false
+  ): Promise<[boolean, string]> => {
     const stakeAmount = new BN(ethers.utils.parseEther(amount.toString()).toString());
     const balanceBN = new BN(useableBalance.value.toString());
     const stakingRepo = container.get<IDappStakingRepository>(Symbols.DappStakingRepositoryV3);
     const constants = await stakingRepo.getConstants();
 
-    if (amount <= 0) {
+    if (!dappAddress) {
+      // Prevents NoDappSelected
+      return [false, t('stakingV3.noDappSelected')];
+    } else if (amount <= 0) {
       // Prevents dappStaking.ZeroAmount
       return [false, t('stakingV3.dappStaking.ZeroAmount')];
     } else if ((ledger.value?.contractStakeCount ?? 0) >= constants.maxNumberOfStakedContracts) {
       // Prevents dappStaking.TooManyStakedContracts
       return [false, t('stakingV3.dappStaking.TooManyStakedContracts')];
-    } else if (hasRewards.value) {
-      // Prevents dappStaking.UnclaimedRewardsFromPastPeriods
+    } else if (hasRewards.value && !ignoreCanClaim) {
+      // Prevents dappStaking.UnclaimedRewards
       // May want to auto claim rewards here
-      return [false, t('stakingV3.dappStaking.UnclaimedRewardsFromPastPeriods')];
+      return [false, t('stakingV3.dappStaking.UnclaimedRewards')];
     } else if (protocolState.value?.maintenance) {
       // Prevents dappStaking.Disabled
       return [false, t('stakingV3.dappStaking.Disabled')];
     } else if (stakeAmount.gt(balanceBN)) {
       // Prevents dappStaking.UnavailableStakeFunds
       return [false, t('stakingV3.dappStaking.UnavailableStakeFunds')];
     } else if (
-      // Prevents dappStaking.PeriodEndsInNextEra
       protocolState.value?.periodInfo.subperiod === PeriodType.BuildAndEarn &&
       protocolState.value.periodInfo.nextSubperiodStartEra <= protocolState.value.era + 1
     ) {
+      // Prevents dappStaking.PeriodEndsInNextEra
       return [false, t('stakingV3.dappStaking.PeriodEndsNextEra')];
+    } else if (getDapp(dappAddress)?.chain?.state === 'Unregistered') {
+      // Prevents dappStaking.NotOperatedDApp
+      return [false, t('stakingV3.dappStaking.NotOperatedDApp')];
     }
 
     return [true, ''];
   };
 
-  const canUnStake = async (address: string, amount: number): Promise<[boolean, string]> => {
+  const canUnStake = async (dappAddress: string, amount: number): Promise<[boolean, string]> => {
     const stakeAmount = new BN(ethers.utils.parseEther(amount.toString()).toString());
     const stakedAmount = new BN(ledger.value?.locked?.toString() ?? 0);
+    const stakingRepo = container.get<IDappStakingRepository>(Symbols.DappStakingRepositoryV3);
+    const [constants, stakerInfo] = await Promise.all([
+      stakingRepo.getConstants(),
+      stakingRepo.getStakerInfo(currentAccount.value, false),
+    ]);
+
+    console.log('ledger.value?.unlocking?.length)', ledger.value?.unlocking?.length);
+    console.log('constants.maxNumberOfUnlockingChunks', constants.maxUnlockingChunks);
 
     if (amount <= 0) {
       // Prevents dappStaking.ZeroAmount
       return [false, t('stakingV3.dappStaking.ZeroAmount')];
     } else if (stakeAmount.gt(stakedAmount)) {
       // Prevents dappStaking.UnstakeAmountTooLarge
       return [false, t('stakingV3.dappStaking.UnstakeAmountTooLarge')];
+    } else if (hasRewards.value) {
+      // Prevents dappStaking.UnclaimedRewards
+      // May want to auto claim rewards here
+      return [false, t('stakingV3.dappStaking.UnclaimedRewards')];
     } else if (protocolState.value?.maintenance) {
       // Prevents dappStaking.Disabled
       return [false, t('stakingV3.dappStaking.Disabled')];
-    } else if (!address) {
+    } else if (!stakerInfo.get(dappAddress)) {
       // Prevents dappStaking.NoStakingInfo
       return [false, t('stakingV3.dappStaking.NoStakingInfo')];
     } else if (!amount) {
       // Prevents dappStaking.UnstakeFromPastPeriod
       return [false, t('stakingV3.dappStaking.UnstakeFromPastPeriod')];
+    } else if ((ledger.value?.unlocking?.length ?? 0) >= constants.maxUnlockingChunks) {
+      // Prevents dappStaking.TooManyUnlockingChunks
+      return [false, t('stakingV3.dappStaking.TooManyUnlockingChunks')];
     }
 
     return [true, ''];

src/staking-v3/logic/models/DappStaking.ts

@@ -105,6 +105,7 @@ export interface Constants {
   minBalanceAfterStaking: number;
   maxNumberOfStakedContracts: number;
   maxNumberOfContracts: number;
+  maxUnlockingChunks: number;
   standardErasPerBuildAndEarnPeriod: number;
   standardErasPerVotingPeriod: number;
   unlockingPeriod: number;

src/staking-v3/logic/repositories/DappStakingRepository.ts

@@ -292,6 +292,7 @@ export class DappStakingRepository implements IDappStakingRepository {
         api.consts.dappStaking.maxNumberOfStakedContracts
       )).toNumber(),
       maxNumberOfContracts: (<u32>api.consts.dappStaking.maxNumberOfContracts).toNumber(),
+      maxUnlockingChunks: (<u32>api.consts.dappStaking.maxUnlockingChunks).toNumber(),
       standardErasPerBuildAndEarnPeriod: 10, // (<u32>(
       //   api.consts.dappStaking.standardErasPerBuildAndEarnPeriod
       // )).toNumber(),