feat(ledger):Addressed all the comments and made corresponding changes

Signed-off-by: Akhil Repala <arepala@blinklabs.io>

Author: arepala-uml

ledger/allegra/allegra.go

@@ -49,7 +49,7 @@ type AllegraBlock struct {
 	BlockHeader            *AllegraBlockHeader
 	TransactionBodies      []AllegraTransactionBody
 	TransactionWitnessSets []shelley.ShelleyTransactionWitnessSet
-	TransactionMetadataSet map[uint]common.TransactionMetadataSet
+	TransactionMetadataSet common.TransactionMetadataSet
 }
 
 func (b *AllegraBlock) UnmarshalCBOR(cborData []byte) error {
@@ -239,7 +239,7 @@ type AllegraTransaction struct {
 	hash       *common.Blake2b256
 	Body       AllegraTransactionBody
 	WitnessSet shelley.ShelleyTransactionWitnessSet
-	TxMetadata common.TransactionMetadataSet
+	TxMetadata common.TransactionMetadatum
 }
 
 func (t *AllegraTransaction) UnmarshalCBOR(cborData []byte) error {
@@ -349,7 +349,7 @@ func (t AllegraTransaction) Donation() uint64 {
 	return t.Body.Donation()
 }
 
-func (t AllegraTransaction) Metadata() common.TransactionMetadataSet {
+func (t AllegraTransaction) Metadata() common.TransactionMetadatum {
 	return t.TxMetadata
 }
 

ledger/alonzo/alonzo.go

@@ -55,7 +55,7 @@ type AlonzoBlock struct {
 	BlockHeader            *AlonzoBlockHeader
 	TransactionBodies      []AlonzoTransactionBody
 	TransactionWitnessSets []AlonzoTransactionWitnessSet
-	TransactionMetadataSet map[uint]common.TransactionMetadataSet
+	TransactionMetadataSet common.TransactionMetadataSet
 	InvalidTransactions    []uint
 }
 
@@ -591,7 +591,7 @@ type AlonzoTransaction struct {
 	Body       AlonzoTransactionBody
 	WitnessSet AlonzoTransactionWitnessSet
 	TxIsValid  bool
-	TxMetadata common.TransactionMetadataSet
+	TxMetadata common.TransactionMetadatum
 }
 
 func (t *AlonzoTransaction) UnmarshalCBOR(cborData []byte) error {
@@ -705,7 +705,7 @@ func (t AlonzoTransaction) Donation() uint64 {
 	return t.Body.Donation()
 }
 
-func (t AlonzoTransaction) Metadata() common.TransactionMetadataSet {
+func (t AlonzoTransaction) Metadata() common.TransactionMetadatum {
 	return t.TxMetadata
 }
 

ledger/babbage/babbage.go

@@ -55,7 +55,7 @@ type BabbageBlock struct {
 	BlockHeader            *BabbageBlockHeader
 	TransactionBodies      []BabbageTransactionBody
 	TransactionWitnessSets []BabbageTransactionWitnessSet
-	TransactionMetadataSet map[uint]common.TransactionMetadataSet
+	TransactionMetadataSet common.TransactionMetadataSet
 	InvalidTransactions    []uint
 }
 
@@ -733,7 +733,7 @@ type BabbageTransaction struct {
 	Body       BabbageTransactionBody
 	WitnessSet BabbageTransactionWitnessSet
 	TxIsValid  bool
-	TxMetadata common.TransactionMetadataSet
+	TxMetadata common.TransactionMetadatum
 }
 
 func (t *BabbageTransaction) UnmarshalCBOR(cborData []byte) error {
@@ -847,7 +847,7 @@ func (t BabbageTransaction) Donation() uint64 {
 	return t.Body.Donation()
 }
 
-func (t BabbageTransaction) Metadata() common.TransactionMetadataSet {
+func (t BabbageTransaction) Metadata() common.TransactionMetadatum {
 	return t.TxMetadata
 }
 

ledger/byron/byron.go

@@ -142,7 +142,7 @@ type ByronTransaction struct {
 	hash       *common.Blake2b256
 	TxInputs   []ByronTransactionInput
 	TxOutputs  []ByronTransactionOutput
-	Attributes common.TransactionMetadataSet
+	Attributes common.TransactionMetadatum
 }
 
 func (t *ByronTransaction) UnmarshalCBOR(cborData []byte) error {
@@ -275,7 +275,7 @@ func (t *ByronTransaction) Donation() uint64 {
 	return 0
 }
 
-func (t *ByronTransaction) Metadata() common.TransactionMetadataSet {
+func (t *ByronTransaction) Metadata() common.TransactionMetadatum {
 	return t.Attributes
 }