feat: add issuer's vkey and block body size to block interface

ledger/allegra.go

@@ -55,6 +55,14 @@ func (b *AllegraBlock) SlotNumber() uint64 {
 	return b.Header.SlotNumber()
 }
 
+func (b *AllegraBlock) IssuerVkey() []byte {
+	return b.Header.IssuerVkey()
+}
+
+func (b *AllegraBlock) BlockBodySize() uint64 {
+	return b.Header.BlockBodySize()
+}
+
 func (b *AllegraBlock) Era() Era {
 	return eras[EraIdAllegra]
 }

ledger/alonzo.go

@@ -57,6 +57,14 @@ func (b *AlonzoBlock) SlotNumber() uint64 {
 	return b.Header.SlotNumber()
 }
 
+func (b *AlonzoBlock) IssuerVkey() []byte {
+	return b.Header.IssuerVkey()
+}
+
+func (b *AlonzoBlock) BlockBodySize() uint64 {
+	return b.Header.BlockBodySize()
+}
+
 func (b *AlonzoBlock) Era() Era {
 	return eras[EraIdAlonzo]
 }

ledger/babbage.go

@@ -57,6 +57,14 @@ func (b *BabbageBlock) SlotNumber() uint64 {
 	return b.Header.SlotNumber()
 }
 
+func (b *BabbageBlock) IssuerVkey() []byte {
+	return b.Header.IssuerVkey()
+}
+
+func (b *BabbageBlock) BlockBodySize() uint64 {
+	return b.Header.BlockBodySize()
+}
+
 func (b *BabbageBlock) Era() Era {
 	return eras[EraIdBabbage]
 }
@@ -91,17 +99,17 @@ type BabbageBlockHeader struct {
 		BlockNumber   uint64
 		Slot          uint64
 		PrevHash      Blake2b256
-		IssuerVkey    interface{}
-		VrfKey        interface{}
+		IssuerVkey    []byte
+		VrfKey        []byte
 		VrfResult     interface{}
-		BlockBodySize uint32
+		BlockBodySize uint64
 		BlockBodyHash Blake2b256
 		OpCert        struct {
 			cbor.StructAsArray
-			HotVkey        interface{}
+			HotVkey        []byte
 			SequenceNumber uint32
 			KesPeriod      uint32
-			Signature      interface{}
+			Signature      []byte
 		}
 		ProtoVersion struct {
 			cbor.StructAsArray
@@ -131,6 +139,14 @@ func (h *BabbageBlockHeader) SlotNumber() uint64 {
 	return h.Body.Slot
 }
 
+func (h *BabbageBlockHeader) IssuerVkey() []byte {
+	return h.Body.IssuerVkey
+}
+
+func (h *BabbageBlockHeader) BlockBodySize() uint64 {
+	return h.Body.BlockBodySize
+}
+
 func (h *BabbageBlockHeader) Era() Era {
 	return eras[EraIdBabbage]
 }

ledger/block.go

@@ -30,6 +30,8 @@ type BlockHeader interface {
 	Hash() string
 	BlockNumber() uint64
 	SlotNumber() uint64
+	IssuerVkey() []byte
+	BlockBodySize() uint64
 	Era() Era
 	Cbor() []byte
 }

ledger/byron.go

@@ -96,6 +96,16 @@ func (h *ByronMainBlockHeader) SlotNumber() uint64 {
 	return uint64((h.ConsensusData.SlotId.Epoch * ByronSlotsPerEpoch) + uint64(h.ConsensusData.SlotId.Slot))
 }
 
+func (h *ByronMainBlockHeader) IssuerVkey() []byte {
+	// Byron blocks don't have an issuer
+	return nil
+}
+
+func (h *ByronMainBlockHeader) BlockBodySize() uint64 {
+	// TODO: calculate this
+	return 0
+}
+
 func (h *ByronMainBlockHeader) Era() Era {
 	return eras[EraIdByron]
 }
@@ -183,6 +193,16 @@ func (h *ByronEpochBoundaryBlockHeader) SlotNumber() uint64 {
 	return uint64(h.ConsensusData.Epoch * ByronSlotsPerEpoch)
 }
 
+func (h *ByronEpochBoundaryBlockHeader) IssuerVkey() []byte {
+	// Byron blocks don't have an issuer
+	return nil
+}
+
+func (h *ByronEpochBoundaryBlockHeader) BlockBodySize() uint64 {
+	// TODO: calculate this
+	return 0
+}
+
 func (h *ByronEpochBoundaryBlockHeader) Era() Era {
 	return eras[EraIdByron]
 }
@@ -211,6 +231,14 @@ func (b *ByronMainBlock) SlotNumber() uint64 {
 	return b.Header.SlotNumber()
 }
 
+func (b *ByronMainBlock) IssuerVkey() []byte {
+	return b.Header.IssuerVkey()
+}
+
+func (b *ByronMainBlock) BlockBodySize() uint64 {
+	return b.Header.BlockBodySize()
+}
+
 func (b *ByronMainBlock) Era() Era {
 	return b.Header.Era()
 }
@@ -244,6 +272,14 @@ func (b *ByronEpochBoundaryBlock) SlotNumber() uint64 {
 	return b.Header.SlotNumber()
 }
 
+func (b *ByronEpochBoundaryBlock) IssuerVkey() []byte {
+	return b.Header.IssuerVkey()
+}
+
+func (b *ByronEpochBoundaryBlock) BlockBodySize() uint64 {
+	return b.Header.BlockBodySize()
+}
+
 func (b *ByronEpochBoundaryBlock) Era() Era {
 	return b.Header.Era()
 }

ledger/mary.go

@@ -56,6 +56,14 @@ func (b *MaryBlock) SlotNumber() uint64 {
 	return b.Header.SlotNumber()
 }
 
+func (b *MaryBlock) IssuerVkey() []byte {
+	return b.Header.IssuerVkey()
+}
+
+func (b *MaryBlock) BlockBodySize() uint64 {
+	return b.Header.BlockBodySize()
+}
+
 func (b *MaryBlock) Era() Era {
 	return eras[EraIdMary]
 }

ledger/shelley.go

@@ -55,6 +55,14 @@ func (b *ShelleyBlock) SlotNumber() uint64 {
 	return b.Header.SlotNumber()
 }
 
+func (b *ShelleyBlock) IssuerVkey() []byte {
+	return b.Header.IssuerVkey()
+}
+
+func (b *ShelleyBlock) BlockBodySize() uint64 {
+	return b.Header.BlockBodySize()
+}
+
 func (b *ShelleyBlock) Era() Era {
 	return eras[EraIdShelley]
 }
@@ -81,16 +89,16 @@ type ShelleyBlockHeader struct {
 		BlockNumber          uint64
 		Slot                 uint64
 		PrevHash             Blake2b256
-		IssuerVkey           interface{}
-		VrfKey               interface{}
+		IssuerVkey           []byte
+		VrfKey               []byte
 		NonceVrf             interface{}
 		LeaderVrf            interface{}
-		BlockBodySize        uint32
+		BlockBodySize        uint64
 		BlockBodyHash        Blake2b256
-		OpCertHotVkey        interface{}
+		OpCertHotVkey        []byte
 		OpCertSequenceNumber uint32
 		OpCertKesPeriod      uint32
-		OpCertSignature      interface{}
+		OpCertSignature      []byte
 		ProtoMajorVersion    uint64
 		ProtoMinorVersion    uint64
 	}
@@ -116,6 +124,14 @@ func (h *ShelleyBlockHeader) SlotNumber() uint64 {
 	return h.Body.Slot
 }
 
+func (h *ShelleyBlockHeader) IssuerVkey() []byte {
+	return h.Body.IssuerVkey
+}
+
+func (h *ShelleyBlockHeader) BlockBodySize() uint64 {
+	return h.Body.BlockBodySize
+}
+
 func (h *ShelleyBlockHeader) Era() Era {
 	return eras[EraIdShelley]
 }