Merge remote-tracking branch 'origin/develop' into feat/reactive-chai…

…nmanager
iotaledger · Dec 5, 2023 · 1609a37 · 1609a37
2 parents f3d8ad0 + 52beb5d
commit 1609a37
Show file tree

Hide file tree

Showing 12 changed files with 32 additions and 40 deletions.
diff --git a/go.mod b/go.mod
@@ -26,7 +26,7 @@ require (
 	github.com/iotaledger/hive.go/stringify v0.0.0-20231130155327-398db92f09a3
 	github.com/iotaledger/inx-app v1.0.0-rc.3.0.20231201123347-1c44b3f24221
 	github.com/iotaledger/inx/go v1.0.0-rc.2.0.20231201114846-3bb5c3fd5665
-	github.com/iotaledger/iota.go/v4 v4.0.0-20231204084048-9c12053adaf6
+	github.com/iotaledger/iota.go/v4 v4.0.0-20231204142547-416c9a87403d
 	github.com/labstack/echo/v4 v4.11.3
 	github.com/labstack/gommon v0.4.1
 	github.com/libp2p/go-libp2p v0.32.0

diff --git a/go.sum b/go.sum
@@ -307,8 +307,8 @@ github.com/iotaledger/inx-app v1.0.0-rc.3.0.20231201123347-1c44b3f24221 h1:+ozra
 github.com/iotaledger/inx-app v1.0.0-rc.3.0.20231201123347-1c44b3f24221/go.mod h1:6cLX3gnhP0WL+Q+mf3/rIqfACe5fWKVR8luPXWh2xiY=
 github.com/iotaledger/inx/go v1.0.0-rc.2.0.20231201114846-3bb5c3fd5665 h1:XdhojOpZ0t0pJFyNO0zlBogSAUrhEI67eCpTC9H6sGM=
 github.com/iotaledger/inx/go v1.0.0-rc.2.0.20231201114846-3bb5c3fd5665/go.mod h1:obK1N42oafGA7EH6zC4VX2fKh7jTa3WnIa9h1azfxq0=
-github.com/iotaledger/iota.go/v4 v4.0.0-20231204084048-9c12053adaf6 h1:Wuf8Ps3tzuZ5CCbl7LA5O2qwhfuXWo30RCOT0yhm4pg=
-github.com/iotaledger/iota.go/v4 v4.0.0-20231204084048-9c12053adaf6/go.mod h1:lCk9rhP3B5pX9BKhzR+Jobq4xPd+GHlqgF4Ga+eQfWA=
+github.com/iotaledger/iota.go/v4 v4.0.0-20231204142547-416c9a87403d h1:MPklxa8jW4/EgDm/LEzf6orxjik7U+vMUW/ToGT1Zqg=
+github.com/iotaledger/iota.go/v4 v4.0.0-20231204142547-416c9a87403d/go.mod h1:lCk9rhP3B5pX9BKhzR+Jobq4xPd+GHlqgF4Ga+eQfWA=
 github.com/ipfs/boxo v0.13.1 h1:nQ5oQzcMZR3oL41REJDcTbrvDvuZh3J9ckc9+ILeRQI=
 github.com/ipfs/boxo v0.13.1/go.mod h1:btrtHy0lmO1ODMECbbEY1pxNtrLilvKSYLoGQt1yYCk=
 github.com/ipfs/go-cid v0.4.1 h1:A/T3qGvxi4kpKWWcPC/PgbvDA2bjVLO7n4UeVwnbs/s=

diff --git a/pkg/protocol/engine/accounts/accountsledger/manager.go b/pkg/protocol/engine/accounts/accountsledger/manager.go
@@ -490,7 +490,7 @@ func (m *Manager) computeBlockBurnsForSlot(slot iotago.SlotIndex, rmc iotago.Man
 					return nil, ierrors.Wrapf(err, "cannot compute penalty for over-issuing validator, account %s could not be retrieved", accountID)
 				}
 				punishmentEpochs := apiForSlot.ProtocolParameters().PunishmentEpochs()
-				manaPunishment, err := apiForSlot.ManaDecayProvider().ManaGenerationWithDecay(accountData.ValidatorStake, slot, slot+apiForSlot.TimeProvider().EpochDurationSlots()*iotago.SlotIndex(punishmentEpochs))
+				manaPunishment, err := apiForSlot.ManaDecayProvider().GenerateManaAndDecayBySlots(accountData.ValidatorStake, slot, slot+apiForSlot.TimeProvider().EpochDurationSlots()*iotago.SlotIndex(punishmentEpochs))
 				if err != nil {
 					return nil, ierrors.Wrapf(err, "cannot compute penalty for over-issuing validator with account ID %s due to problem with mana generation", accountID)
 				}
@@ -526,7 +526,7 @@ func (m *Manager) commitAccountTree(slot iotago.SlotIndex, accountDiffChanges ma
 		if diffChange.BICChange != 0 || !exists {
 			// decay the credits to the current slot if the account exists
 			if exists {
-				decayedPreviousCredits, err := m.apiProvider.APIForSlot(slot).ManaDecayProvider().ManaWithDecay(iotago.Mana(accountData.Credits.Value), accountData.Credits.UpdateSlot, slot)
+				decayedPreviousCredits, err := m.apiProvider.APIForSlot(slot).ManaDecayProvider().DecayManaBySlots(iotago.Mana(accountData.Credits.Value), accountData.Credits.UpdateSlot, slot)
 				if err != nil {
 					return ierrors.Wrapf(err, "can't retrieve account, could not decay credits for account (%s) in slot (%d)", accountData.ID, slot)
 				}

diff --git a/pkg/protocol/engine/accounts/mana/manager.go b/pkg/protocol/engine/accounts/mana/manager.go
@@ -79,13 +79,13 @@ func (m *Manager) GetManaOnAccount(accountID iotago.AccountID, slot iotago.SlotI
 
 	// Apply decay to stored, potential and BIC mana that was calculated when adding the entry to cache
 	// so that it's correct for the requested slot.
-	manaWithDecay, err := manaDecayProvider.ManaWithDecay(mana.Value(), mana.UpdateTime(), slot)
+	manaWithDecay, err := manaDecayProvider.DecayManaBySlots(mana.Value(), mana.UpdateTime(), slot)
 	if err != nil {
 		return 0, err
 	}
 
 	// Calculate newly generated potential mana since last update time.
-	manaPotential, err := manaDecayProvider.ManaGenerationWithDecay(mana.ExcessBaseTokens(), mana.UpdateTime(), slot)
+	manaPotential, err := manaDecayProvider.GenerateManaAndDecayBySlots(mana.ExcessBaseTokens(), mana.UpdateTime(), slot)
 	if err != nil {
 		return 0, err
 	}
@@ -124,12 +124,12 @@ func (m *Manager) getMana(accountID iotago.AccountID, output *utxoledger.Output,
 	var manaUpdateTime iotago.SlotIndex
 	var totalMana iotago.Mana
 	if bicUpdateTime > output.SlotCreated() {
-		manaPotential, err := manaDecayProvider.ManaGenerationWithDecay(excessBaseTokens, output.SlotCreated(), bicUpdateTime)
+		manaPotential, err := manaDecayProvider.GenerateManaAndDecayBySlots(excessBaseTokens, output.SlotCreated(), bicUpdateTime)
 		if err != nil {
 			return nil, ierrors.Wrapf(err, "failed to calculate mana generation with decay (excessBaseTokens: %d; outputSlotCreated: %d; targetSlot: %d)", excessBaseTokens, output.SlotCreated(), bicUpdateTime)
 		}
 
-		manaStored, err := manaDecayProvider.ManaWithDecay(output.StoredMana(), output.SlotCreated(), bicUpdateTime)
+		manaStored, err := manaDecayProvider.DecayManaBySlots(output.StoredMana(), output.SlotCreated(), bicUpdateTime)
 		if err != nil {
 			return nil, ierrors.Wrapf(err, "failed to calculate mana with decay (storedMana: %d; outputSlotCreated: %d; targetSlot: %d)", output.StoredMana(), output.SlotCreated(), bicUpdateTime)
 		}
@@ -147,7 +147,7 @@ func (m *Manager) getMana(accountID iotago.AccountID, output *utxoledger.Output,
 		manaUpdateTime = bicUpdateTime
 	} else if output.SlotCreated() > bicUpdateTime {
 		// Decay BIC to match the Output creation time.
-		bicWithDecay, err := manaDecayProvider.ManaWithDecay(bic, bicUpdateTime, output.SlotCreated())
+		bicWithDecay, err := manaDecayProvider.DecayManaBySlots(bic, bicUpdateTime, output.SlotCreated())
 		if err != nil {
 			return nil, err
 		}

diff --git a/pkg/protocol/engine/accounts/mana/manager_test.go b/pkg/protocol/engine/accounts/mana/manager_test.go
@@ -133,10 +133,10 @@ func TestManager_GetManaOnAccountOverflow(t *testing.T) {
 		mana, err := manager.GetManaOnAccount(accountIDValid, 1)
 		require.NoError(t, err)
 
-		decayedMana, err := manaDecayProvider.ManaWithDecay(iotago.MaxMana/2+iotago.Mana(iotago.MaxBlockIssuanceCredits/2+iotago.MaxBlockIssuanceCredits/4), 0, 1)
+		decayedMana, err := manaDecayProvider.DecayManaBySlots(iotago.MaxMana/2+iotago.Mana(iotago.MaxBlockIssuanceCredits/2+iotago.MaxBlockIssuanceCredits/4), 0, 1)
 		require.NoError(t, err)
 
-		generatedMana, err := manaDecayProvider.ManaGenerationWithDecay(iotago.MaxBaseToken/2, 0, 1)
+		generatedMana, err := manaDecayProvider.GenerateManaAndDecayBySlots(iotago.MaxBaseToken/2, 0, 1)
 		require.NoError(t, err)
 
 		require.EqualValues(t, decayedMana+generatedMana, mana)
@@ -153,17 +153,17 @@ func TestManager_GetManaOnAccountOverflow(t *testing.T) {
 		mana, err := manager.GetManaOnAccount(accountIDRecentOutput, 2)
 		require.NoError(t, err)
 
-		decayedStoredMana, err := manaDecayProvider.ManaWithDecay(iotago.MaxMana/2, 1, 2)
+		decayedStoredMana, err := manaDecayProvider.DecayManaBySlots(iotago.MaxMana/2, 1, 2)
 		require.NoError(t, err)
-		decayedBIC2Slots, err := manaDecayProvider.ManaWithDecay(iotago.Mana(iotago.MaxBlockIssuanceCredits/2+iotago.MaxBlockIssuanceCredits/4), 0, 2)
+		decayedBIC2Slots, err := manaDecayProvider.DecayManaBySlots(iotago.Mana(iotago.MaxBlockIssuanceCredits/2+iotago.MaxBlockIssuanceCredits/4), 0, 2)
 		require.NoError(t, err)
 
-		generatedMana, err := manaDecayProvider.ManaGenerationWithDecay(iotago.MaxBaseToken/2, 1, 2)
+		generatedMana, err := manaDecayProvider.GenerateManaAndDecayBySlots(iotago.MaxBaseToken/2, 1, 2)
 		require.NoError(t, err)
 
 		require.EqualValues(t, decayedBIC2Slots+decayedStoredMana+generatedMana, mana)
 
-		decayedBIC1Slot, err := manaDecayProvider.ManaWithDecay(iotago.Mana(iotago.MaxBlockIssuanceCredits/2+iotago.MaxBlockIssuanceCredits/4), 0, 2)
+		decayedBIC1Slot, err := manaDecayProvider.DecayManaBySlots(iotago.Mana(iotago.MaxBlockIssuanceCredits/2+iotago.MaxBlockIssuanceCredits/4), 0, 2)
 		require.NoError(t, err)
 
 		// Make sure that cache entry is for slot 1.
@@ -178,20 +178,20 @@ func TestManager_GetManaOnAccountOverflow(t *testing.T) {
 		mana, err := manager.GetManaOnAccount(accountIDRecentBIC, 2)
 		require.NoError(t, err)
 
-		decayedStoredMana2Slots, err := manaDecayProvider.ManaWithDecay(iotago.MaxMana/2, 0, 0)
+		decayedStoredMana2Slots, err := manaDecayProvider.DecayManaBySlots(iotago.MaxMana/2, 0, 0)
 		require.NoError(t, err)
 
-		generatedMana1Slot, err := manaDecayProvider.ManaGenerationWithDecay(iotago.MaxBaseToken/2, 0, 1)
+		generatedMana1Slot, err := manaDecayProvider.GenerateManaAndDecayBySlots(iotago.MaxBaseToken/2, 0, 1)
 		require.NoError(t, err)
 
-		decayedBIC, err := manaDecayProvider.ManaWithDecay(iotago.Mana(iotago.MaxBlockIssuanceCredits/2+iotago.MaxBlockIssuanceCredits/4), 1, 1)
+		decayedBIC, err := manaDecayProvider.DecayManaBySlots(iotago.Mana(iotago.MaxBlockIssuanceCredits/2+iotago.MaxBlockIssuanceCredits/4), 1, 1)
 		require.NoError(t, err)
 
 		// generatedMana1Slot is multiplied to calculate generation for two slots. It cannot be done in a single step
 		// because the value does not match due to approximation errors inherent to the underlying calculation method.
 		require.EqualValues(t, decayedStoredMana2Slots+generatedMana1Slot*2+decayedBIC, mana)
 
-		decayedStoredMana1Slot, err := manaDecayProvider.ManaWithDecay(iotago.MaxMana/2, 0, 1)
+		decayedStoredMana1Slot, err := manaDecayProvider.DecayManaBySlots(iotago.MaxMana/2, 0, 1)
 		require.NoError(t, err)
 
 		// Make sure that cache entry is for slot 1.

diff --git a/pkg/protocol/sybilprotection/sybilprotectionv1/performance/rewards.go b/pkg/protocol/sybilprotection/sybilprotectionv1/performance/rewards.go
@@ -95,7 +95,7 @@ func (t *Tracker) ValidatorReward(validatorID iotago.AccountID, stakeAmount iota
 		}
 
 		decayProvider := t.apiProvider.APIForEpoch(epoch).ManaDecayProvider()
-		decayedEpochRewards, err := decayProvider.RewardsWithDecay(iotago.Mana(unDecayedEpochRewards), epoch, epochEnd)
+		decayedEpochRewards, err := decayProvider.DecayManaByEpochs(iotago.Mana(unDecayedEpochRewards), epoch, epochEnd)
 		if err != nil {
 			return 0, 0, 0, ierrors.Wrapf(err, "failed to calculate rewards with decay for epoch %d and validator accountID %s", epoch, validatorID)
 		}
@@ -172,7 +172,7 @@ func (t *Tracker) DelegatorReward(validatorID iotago.AccountID, delegatedAmount
 		}
 
 		decayProvider := t.apiProvider.APIForEpoch(epoch).ManaDecayProvider()
-		decayedEpochRewards, err := decayProvider.RewardsWithDecay(iotago.Mana(unDecayedEpochRewards), epoch, epochEnd)
+		decayedEpochRewards, err := decayProvider.DecayManaByEpochs(iotago.Mana(unDecayedEpochRewards), epoch, epochEnd)
 		if err != nil {
 			return 0, 0, 0, ierrors.Wrapf(err, "failed to calculate rewards with decay for epoch %d and validator accountID %s", epoch, validatorID)
 		}

diff --git a/pkg/protocol/sybilprotection/sybilprotectionv1/performance/testsuite_test.go b/pkg/protocol/sybilprotection/sybilprotectionv1/performance/testsuite_test.go
@@ -229,7 +229,7 @@ func (t *TestSuite) validatorReward(alias string, epoch iotago.EpochIndex, profi
 	residualValidatorFactor := ((profitMarginComplement * poolRewardsNoFixedCost) >> profitMarginExponent) * stakeAmount / poolStake
 	unDecayedEpochRewards := fixedCost + profitMarginFactor + residualValidatorFactor
 	decayProvider := t.api.ManaDecayProvider()
-	decayedEpochRewards, err := decayProvider.RewardsWithDecay(iotago.Mana(unDecayedEpochRewards), epoch, epoch)
+	decayedEpochRewards, err := decayProvider.DecayManaByEpochs(iotago.Mana(unDecayedEpochRewards), epoch, epoch)
 	require.NoError(t.T, err)
 
 	return decayedEpochRewards
@@ -250,7 +250,7 @@ func (t *TestSuite) delegatorReward(epoch iotago.EpochIndex, profitMargin, poolR
 	unDecayedEpochRewards := (((profitMarginComplement * poolRewards) >> profitMarginExponent) * delegatedAmount) / poolStake
 
 	decayProvider := t.api.ManaDecayProvider()
-	decayedEpochRewards, err := decayProvider.RewardsWithDecay(iotago.Mana(unDecayedEpochRewards), epoch, epoch)
+	decayedEpochRewards, err := decayProvider.DecayManaByEpochs(iotago.Mana(unDecayedEpochRewards), epoch, epoch)
 	require.NoError(t.T, err)
 
 	return decayedEpochRewards

diff --git a/pkg/testsuite/mock/wallet_transactions.go b/pkg/testsuite/mock/wallet_transactions.go
@@ -549,20 +549,12 @@ func (w *Wallet) ClaimDelegatorRewards(transactionName string, inputName string)
 
 // Computes the Potential Mana that the output generates until the current slot.
 func (w *Wallet) PotentialMana(api iotago.API, input *utxoledger.Output) iotago.Mana {
-	minDeposit := lo.PanicOnErr(api.StorageScoreStructure().MinDeposit(input.Output()))
-
-	if minDeposit > input.BaseTokenAmount() {
-		return 0
-	}
-
-	excessBaseTokens := input.BaseTokenAmount() - minDeposit
-
-	return lo.PanicOnErr(api.ManaDecayProvider().ManaGenerationWithDecay(excessBaseTokens, input.SlotCreated(), w.currentSlot))
+	return lo.PanicOnErr(iotago.PotentialMana(api.ManaDecayProvider(), api.StorageScoreStructure(), input.Output(), input.SlotCreated(), w.currentSlot))
 }
 
 // Computes the decay on stored mana that the output holds until the current slot.
 func (w *Wallet) StoredMana(api iotago.API, input *utxoledger.Output) iotago.Mana {
-	return lo.PanicOnErr(api.ManaDecayProvider().ManaWithDecay(input.StoredMana(), input.SlotCreated(), w.currentSlot))
+	return lo.PanicOnErr(api.ManaDecayProvider().DecayManaBySlots(input.StoredMana(), input.SlotCreated(), w.currentSlot))
 }
 
 func (w *Wallet) AllotManaToWallet(transactionName string, inputName string, recipientWallet *Wallet) *iotago.SignedTransaction {

diff --git a/tools/gendoc/go.mod b/tools/gendoc/go.mod
@@ -71,7 +71,7 @@ require (
 	github.com/iotaledger/hive.go/stringify v0.0.0-20231130155327-398db92f09a3 // indirect
 	github.com/iotaledger/inx-app v1.0.0-rc.3.0.20231201123347-1c44b3f24221 // indirect
 	github.com/iotaledger/inx/go v1.0.0-rc.2.0.20231201114846-3bb5c3fd5665 // indirect
-	github.com/iotaledger/iota.go/v4 v4.0.0-20231204084048-9c12053adaf6 // indirect
+	github.com/iotaledger/iota.go/v4 v4.0.0-20231204142547-416c9a87403d // indirect
 	github.com/ipfs/boxo v0.13.1 // indirect
 	github.com/ipfs/go-cid v0.4.1 // indirect
 	github.com/ipfs/go-datastore v0.6.0 // indirect

diff --git a/tools/gendoc/go.sum b/tools/gendoc/go.sum
@@ -311,8 +311,8 @@ github.com/iotaledger/inx-app v1.0.0-rc.3.0.20231201123347-1c44b3f24221 h1:+ozra
 github.com/iotaledger/inx-app v1.0.0-rc.3.0.20231201123347-1c44b3f24221/go.mod h1:6cLX3gnhP0WL+Q+mf3/rIqfACe5fWKVR8luPXWh2xiY=
 github.com/iotaledger/inx/go v1.0.0-rc.2.0.20231201114846-3bb5c3fd5665 h1:XdhojOpZ0t0pJFyNO0zlBogSAUrhEI67eCpTC9H6sGM=
 github.com/iotaledger/inx/go v1.0.0-rc.2.0.20231201114846-3bb5c3fd5665/go.mod h1:obK1N42oafGA7EH6zC4VX2fKh7jTa3WnIa9h1azfxq0=
-github.com/iotaledger/iota.go/v4 v4.0.0-20231204084048-9c12053adaf6 h1:Wuf8Ps3tzuZ5CCbl7LA5O2qwhfuXWo30RCOT0yhm4pg=
-github.com/iotaledger/iota.go/v4 v4.0.0-20231204084048-9c12053adaf6/go.mod h1:lCk9rhP3B5pX9BKhzR+Jobq4xPd+GHlqgF4Ga+eQfWA=
+github.com/iotaledger/iota.go/v4 v4.0.0-20231204142547-416c9a87403d h1:MPklxa8jW4/EgDm/LEzf6orxjik7U+vMUW/ToGT1Zqg=
+github.com/iotaledger/iota.go/v4 v4.0.0-20231204142547-416c9a87403d/go.mod h1:lCk9rhP3B5pX9BKhzR+Jobq4xPd+GHlqgF4Ga+eQfWA=
 github.com/ipfs/boxo v0.13.1 h1:nQ5oQzcMZR3oL41REJDcTbrvDvuZh3J9ckc9+ILeRQI=
 github.com/ipfs/boxo v0.13.1/go.mod h1:btrtHy0lmO1ODMECbbEY1pxNtrLilvKSYLoGQt1yYCk=
 github.com/ipfs/go-cid v0.4.1 h1:A/T3qGvxi4kpKWWcPC/PgbvDA2bjVLO7n4UeVwnbs/s=

diff --git a/tools/genesis-snapshot/go.mod b/tools/genesis-snapshot/go.mod
@@ -10,7 +10,7 @@ require (
 	github.com/iotaledger/hive.go/lo v0.0.0-20231130155327-398db92f09a3
 	github.com/iotaledger/hive.go/runtime v0.0.0-20231130155327-398db92f09a3
 	github.com/iotaledger/iota-core v0.0.0-00010101000000-000000000000
-	github.com/iotaledger/iota.go/v4 v4.0.0-20231204084048-9c12053adaf6
+	github.com/iotaledger/iota.go/v4 v4.0.0-20231204142547-416c9a87403d
 	github.com/mr-tron/base58 v1.2.0
 	github.com/spf13/pflag v1.0.5
 	golang.org/x/crypto v0.16.0

diff --git a/tools/genesis-snapshot/go.sum b/tools/genesis-snapshot/go.sum
@@ -52,8 +52,8 @@ github.com/iotaledger/hive.go/serializer/v2 v2.0.0-rc.1.0.20231130155327-398db92
 github.com/iotaledger/hive.go/serializer/v2 v2.0.0-rc.1.0.20231130155327-398db92f09a3/go.mod h1:FoH3T6yKlZJp8xm8K+zsQiibSynp32v21CpWx8xkek8=
 github.com/iotaledger/hive.go/stringify v0.0.0-20231130155327-398db92f09a3 h1:n0D5PTekFS1Vuktamz9e21AQ7kNcspr0Kv3Ob9u48Q0=
 github.com/iotaledger/hive.go/stringify v0.0.0-20231130155327-398db92f09a3/go.mod h1:FTo/UWzNYgnQ082GI9QVM9HFDERqf9rw9RivNpqrnTs=
-github.com/iotaledger/iota.go/v4 v4.0.0-20231204084048-9c12053adaf6 h1:Wuf8Ps3tzuZ5CCbl7LA5O2qwhfuXWo30RCOT0yhm4pg=
-github.com/iotaledger/iota.go/v4 v4.0.0-20231204084048-9c12053adaf6/go.mod h1:lCk9rhP3B5pX9BKhzR+Jobq4xPd+GHlqgF4Ga+eQfWA=
+github.com/iotaledger/iota.go/v4 v4.0.0-20231204142547-416c9a87403d h1:MPklxa8jW4/EgDm/LEzf6orxjik7U+vMUW/ToGT1Zqg=
+github.com/iotaledger/iota.go/v4 v4.0.0-20231204142547-416c9a87403d/go.mod h1:lCk9rhP3B5pX9BKhzR+Jobq4xPd+GHlqgF4Ga+eQfWA=
 github.com/ipfs/go-cid v0.4.1 h1:A/T3qGvxi4kpKWWcPC/PgbvDA2bjVLO7n4UeVwnbs/s=
 github.com/ipfs/go-cid v0.4.1/go.mod h1:uQHwDeX4c6CtyrFwdqyhpNcxVewur1M7l7fNU7LKwZk=
 github.com/klauspost/cpuid/v2 v2.2.5 h1:0E5MSMDEoAulmXNFquVs//DdoomxaoTY1kUhbc/qbZg=