feat: track witness set for transaction

Signed-off-by: Jenita <jkawan@blinklabs.io>

Author: Jenita

database/models/datum.go

@@ -24,3 +24,15 @@ type Datum struct {
 func (Datum) TableName() string {
 	return "datum"
 }
+
+// PlutusData represents a Plutus data value in the witness set
+type PlutusData struct {
+	ID            uint   `gorm:"primaryKey"`
+	TransactionID uint   `gorm:"index"`
+	Data          []byte `gorm:"type:bytea"`
+	Transaction   *Transaction
+}
+
+func (PlutusData) TableName() string {
+	return "plutus_data"
+}

database/models/models.go

@@ -48,4 +48,8 @@ var MigrateModels = []any{
 	&Utxo{},
 	&VoteDelegation{},
 	&VoteRegistrationDelegation{},
+	&Witness{},
+	&Script{},
+	&Redeemer{},
+	&PlutusData{},
 }

database/models/redeemer.go

@@ -0,0 +1,43 @@
+// Copyright 2025 Blink Labs Software
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package models
+
+// RedeemerTag represents the tag for a redeemer (spend, mint, cert, reward, voting, proposing)
+type RedeemerTag uint8
+
+const (
+	RedeemerTagSpend     RedeemerTag = 0
+	RedeemerTagMint      RedeemerTag = 1
+	RedeemerTagCert      RedeemerTag = 2
+	RedeemerTagReward    RedeemerTag = 3
+	RedeemerTagVoting    RedeemerTag = 4
+	RedeemerTagProposing RedeemerTag = 5
+)
+
+// Redeemer represents a redeemer in the witness set
+type Redeemer struct {
+	ID            uint   `gorm:"primaryKey"`
+	TransactionID uint   `gorm:"index"`
+	Tag           uint8  `gorm:"index"` // RedeemerTag
+	Index         uint32 `gorm:"index"`
+	Data          []byte `gorm:"type:bytea"` // Plutus data
+	ExUnitsMemory uint64
+	ExUnitsCPU    uint64
+	Transaction   *Transaction
+}
+
+func (Redeemer) TableName() string {
+	return "redeemer"
+}

database/models/script.go

@@ -0,0 +1,38 @@
+// Copyright 2025 Blink Labs Software
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package models
+
+// ScriptType represents the type of script
+type ScriptType uint8
+
+const (
+	ScriptTypeNative   ScriptType = 0
+	ScriptTypePlutusV1 ScriptType = 1
+	ScriptTypePlutusV2 ScriptType = 2
+	ScriptTypePlutusV3 ScriptType = 3
+)
+
+// Script represents a script entry in the witness set
+type Script struct {
+	ID            uint   `gorm:"primaryKey"`
+	TransactionID uint   `gorm:"index"`
+	Type          uint8  `gorm:"index"` // ScriptType (0=Native, 1=PlutusV1, 2=PlutusV2, 3=PlutusV3)
+	ScriptData    []byte `gorm:"type:bytea"`
+	Transaction   *Transaction
+}
+
+func (Script) TableName() string {
+	return "script"
+}

database/models/transaction.go

@@ -16,14 +16,18 @@ package models
 
 // Transaction represents a transaction record
 type Transaction struct {
-	Hash             []byte `gorm:"uniqueIndex"`
-	BlockHash        []byte `gorm:"index"`
-	Inputs           []Utxo `gorm:"foreignKey:SpentAtTxId;references:Hash"`
-	Outputs          []Utxo `gorm:"foreignKey:TransactionID;references:ID"`
-	ReferenceInputs  []Utxo `gorm:"foreignKey:ReferencedByTxId;references:Hash"`
-	Collateral       []Utxo `gorm:"foreignKey:CollateralByTxId;references:Hash"`
-	CollateralReturn *Utxo  `gorm:"foreignKey:TransactionID;references:ID"`
-	ID               uint   `gorm:"primaryKey"`
+	Hash             []byte       `gorm:"uniqueIndex"`
+	BlockHash        []byte       `gorm:"index"`
+	Inputs           []Utxo       `gorm:"foreignKey:SpentAtTxId;references:Hash"`
+	Outputs          []Utxo       `gorm:"foreignKey:TransactionID;references:ID"`
+	ReferenceInputs  []Utxo       `gorm:"foreignKey:ReferencedByTxId;references:Hash"`
+	Collateral       []Utxo       `gorm:"foreignKey:CollateralByTxId;references:Hash"`
+	CollateralReturn *Utxo        `gorm:"foreignKey:TransactionID;references:ID"`
+	Witnesses        []Witness    `gorm:"foreignKey:TransactionID;references:ID"`
+	Scripts          []Script     `gorm:"foreignKey:TransactionID;references:ID"`
+	Redeemers        []Redeemer   `gorm:"foreignKey:TransactionID;references:ID"`
+	PlutusDataList   []PlutusData `gorm:"foreignKey:TransactionID;references:ID"`
+	ID               uint         `gorm:"primaryKey"`
 	Type             int
 	BlockIndex       uint32
 	Metadata         []byte

database/models/witness.go

@@ -0,0 +1,40 @@
+// Copyright 2025 Blink Labs Software
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package models
+
+// WitnessType represents the type of witness
+type WitnessType uint8
+
+const (
+	WitnessTypeVkey      WitnessType = 0
+	WitnessTypeBootstrap WitnessType = 1
+)
+
+// Witness represents a witness entry (Vkey or Bootstrap)
+type Witness struct {
+	ID            uint   `gorm:"primaryKey"`
+	TransactionID uint   `gorm:"index"`
+	Type          uint8  `gorm:"index"` // WitnessType (0=Vkey, 1=Bootstrap)
+	Vkey          []byte `gorm:"type:bytea"`
+	Signature     []byte `gorm:"type:bytea"`
+	PublicKey     []byte `gorm:"type:bytea"` // For Bootstrap
+	ChainCode     []byte `gorm:"type:bytea"` // For Bootstrap
+	Attributes    []byte `gorm:"type:bytea"` // For Bootstrap
+	Transaction   *Transaction
+}
+
+func (Witness) TableName() string {
+	return "witness"
+}