From dd1d77cad0b9d19ed1a83ef17dff35f949d5170d Mon Sep 17 00:00:00 2001
From: Rafa Cardenas <253999660+rafa-stacks@users.noreply.github.com>
Date: Tue, 9 Jun 2026 07:38:07 -0600
Subject: [PATCH] fix: serialize all coinbase transaction types correctly

---
 src/api/serializers/v3/mempool-transactions.ts | 14 ++++++++++----
 src/api/serializers/v3/transactions.ts         | 14 ++++++++++----
 2 files changed, 20 insertions(+), 8 deletions(-)

diff --git a/src/api/serializers/v3/mempool-transactions.ts b/src/api/serializers/v3/mempool-transactions.ts
index f4410dd37..f243aa3dc 100644
--- a/src/api/serializers/v3/mempool-transactions.ts
+++ b/src/api/serializers/v3/mempool-transactions.ts
@@ -93,7 +93,8 @@ export function serializeDbMempoolTransactionSummary(
       };
       return tokenTransfer;
     }
-    case DbTxTypeId.SmartContract: {
+    case DbTxTypeId.SmartContract:
+    case DbTxTypeId.VersionedSmartContract: {
       const smartContract: SmartContractMempoolTransactionSummary = {
         ...result,
         type: 'smart_contract',
@@ -122,7 +123,9 @@ export function serializeDbMempoolTransactionSummary(
       };
       return poisonMicroblock;
     }
-    case DbTxTypeId.Coinbase: {
+    case DbTxTypeId.Coinbase:
+    case DbTxTypeId.CoinbaseToAltRecipient:
+    case DbTxTypeId.NakamotoCoinbase: {
       const coinbase: CoinbaseMempoolTransactionSummary = {
         ...result,
         type: 'coinbase',
@@ -181,7 +184,8 @@ export function serializeDbMempoolTransaction(
       };
       return tokenTransfer;
     }
-    case DbTxTypeId.SmartContract: {
+    case DbTxTypeId.SmartContract:
+    case DbTxTypeId.VersionedSmartContract: {
       const smartContract: SmartContractMempoolTransaction = {
         ...result,
         type: 'smart_contract',
@@ -220,7 +224,9 @@ export function serializeDbMempoolTransaction(
       };
       return poisonMicroblock;
     }
-    case DbTxTypeId.Coinbase: {
+    case DbTxTypeId.Coinbase:
+    case DbTxTypeId.CoinbaseToAltRecipient:
+    case DbTxTypeId.NakamotoCoinbase: {
       const coinbase: CoinbaseMempoolTransaction = {
         ...result,
         type: 'coinbase',
diff --git a/src/api/serializers/v3/transactions.ts b/src/api/serializers/v3/transactions.ts
index 0f473a1fe..dcee0f396 100644
--- a/src/api/serializers/v3/transactions.ts
+++ b/src/api/serializers/v3/transactions.ts
@@ -134,7 +134,8 @@ export function serializeDbTransactionSummary(summary: DbTransactionSummary): Tr
       };
       return tokenTransfer;
     }
-    case DbTxTypeId.SmartContract: {
+    case DbTxTypeId.SmartContract:
+    case DbTxTypeId.VersionedSmartContract: {
       const smartContract: SmartContractTransactionSummary = {
         ...result,
         type: 'smart_contract',
@@ -163,7 +164,9 @@ export function serializeDbTransactionSummary(summary: DbTransactionSummary): Tr
       };
       return poisonMicroblock;
     }
-    case DbTxTypeId.Coinbase: {
+    case DbTxTypeId.Coinbase:
+    case DbTxTypeId.CoinbaseToAltRecipient:
+    case DbTxTypeId.NakamotoCoinbase: {
       const coinbase: CoinbaseTransactionSummary = {
         ...result,
         type: 'coinbase',
@@ -274,7 +277,8 @@ export function serializeDbTransaction(
       };
       return tokenTransfer;
     }
-    case DbTxTypeId.SmartContract: {
+    case DbTxTypeId.SmartContract:
+    case DbTxTypeId.VersionedSmartContract: {
       const smartContract: SmartContractTransaction = {
         ...result,
         type: 'smart_contract',
@@ -313,7 +317,9 @@ export function serializeDbTransaction(
       };
       return poisonMicroblock;
     }
-    case DbTxTypeId.Coinbase: {
+    case DbTxTypeId.Coinbase:
+    case DbTxTypeId.CoinbaseToAltRecipient:
+    case DbTxTypeId.NakamotoCoinbase: {
       const coinbase: CoinbaseTransaction = {
         ...result,
         type: 'coinbase',