From 75a99568bfff64d5192df21f9093bc3e412b07fd Mon Sep 17 00:00:00 2001
From: nymkappa <1612910616@pm.me>
Date: Thu, 23 Feb 2023 08:50:30 +0900
Subject: [PATCH] Index coinbase signature in ascii

---
 backend/src/api/blocks.ts                    | 2 ++
 backend/src/api/database-migration.ts        | 1 +
 backend/src/mempool.interfaces.ts            | 1 +
 backend/src/repositories/BlocksRepository.ts | 5 +++--
 4 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/backend/src/api/blocks.ts b/backend/src/api/blocks.ts
index 8a11bccc5..3d33642ce 100644
--- a/backend/src/api/blocks.ts
+++ b/backend/src/api/blocks.ts
@@ -218,9 +218,11 @@ class Blocks {
     if (blk.extras.coinbaseTx.vout.length > 0) {
       blk.extras.coinbaseAddress = blk.extras.coinbaseTx.vout[0].scriptpubkey_address ?? null;
       blk.extras.coinbaseSignature = blk.extras.coinbaseTx.vout[0].scriptpubkey_asm ?? null;
+      blk.extras.coinbaseSignatureAscii = transactionUtils.hex2ascii(blk.extras.coinbaseTx.vin[0].scriptsig) ?? null;
     } else {
       blk.extras.coinbaseAddress = null;
       blk.extras.coinbaseSignature = null;
+      blk.extras.coinbaseSignatureAscii = null;
     }
 
     const header = await bitcoinClient.getBlockHeader(block.id, false);
diff --git a/backend/src/api/database-migration.ts b/backend/src/api/database-migration.ts
index 352abfbfe..c965ef420 100644
--- a/backend/src/api/database-migration.ts
+++ b/backend/src/api/database-migration.ts
@@ -767,6 +767,7 @@ class DatabaseMigration {
       ADD block_time int unsigned NOT NULL,
       ADD coinbase_address varchar(100) NULL,
       ADD coinbase_signature varchar(500) NULL,
+      ADD coinbase_signature_ascii varchar(500) NULL,
       ADD avg_tx_size double unsigned NOT NULL,
       ADD total_inputs int unsigned NOT NULL,
       ADD total_outputs int unsigned NOT NULL,
diff --git a/backend/src/mempool.interfaces.ts b/backend/src/mempool.interfaces.ts
index e139bde8f..cb95be98a 100644
--- a/backend/src/mempool.interfaces.ts
+++ b/backend/src/mempool.interfaces.ts
@@ -167,6 +167,7 @@ export interface BlockExtension {
   orphans?: OrphanedBlock[] | null;
   coinbaseAddress?: string | null;
   coinbaseSignature?: string | null;
+  coinbaseSignatureAscii?: string | null;
   virtualSize?: number;
   avgTxSize?: number;
   totalInputs?: number;
diff --git a/backend/src/repositories/BlocksRepository.ts b/backend/src/repositories/BlocksRepository.ts
index 1f244d7cd..e2362b67d 100644
--- a/backend/src/repositories/BlocksRepository.ts
+++ b/backend/src/repositories/BlocksRepository.ts
@@ -27,7 +27,7 @@ class BlocksRepository {
         coinbase_signature, utxoset_size,        utxoset_change,    avg_tx_size,
         total_inputs,       total_outputs,       total_input_amt,   total_output_amt,
         fee_percentiles,    segwit_total_txs,    segwit_total_size, segwit_total_weight,
-        median_fee_amt
+        median_fee_amt,     coinbase_signature_ascii
       ) VALUE (
         ?, ?, FROM_UNIXTIME(?), ?,
         ?, ?, ?, ?,
@@ -38,7 +38,7 @@ class BlocksRepository {
         ?, ?, ?, ?,
         ?, ?, ?, ?,
         ?, ?, ?, ?,
-        ?
+        ?, ?
       )`;
 
       const params: any[] = [
@@ -79,6 +79,7 @@ class BlocksRepository {
         block.extras.segwitTotalSize,
         block.extras.segwitTotalWeight,
         block.extras.medianFeeAmt,
+        block.extras.coinbaseSignatureAscii,
       ];
 
       await DB.query(query, params);