global: snapshot

crates/brk_parser/src/block.rs

@@ -0,0 +1,19 @@
+use bitcoin::Block;
+
+pub trait BlockExtended {
+    fn coinbase_tag(&self) -> String;
+}
+
+impl BlockExtended for Block {
+    fn coinbase_tag(&self) -> String {
+        let Some(input) = self.txdata.first().and_then(|tx| tx.input.first()) else {
+            return String::new();
+        };
+        let bytes = input.script_sig.as_bytes();
+        String::from_utf8_lossy(bytes)
+            .chars()
+            .filter(|&c| c != '\u{FFFD}' && (c >= ' ' || c == '\n' || c == '\r' || c == '\t'))
+            .take(1_024)
+            .collect()
+    }
+}

crates/brk_parser/src/lib.rs

@@ -14,6 +14,7 @@ mod blk_index_to_blk_path;
 mod blk_index_to_blk_recap;
 mod blk_metadata;
 mod blk_recap;
+mod block;
 mod block_state;
 mod error;
 mod utils;
@@ -22,6 +23,7 @@ mod xor_index;
 
 use blk_index_to_blk_recap::*;
 use blk_metadata::*;
+pub use block::*;
 use block_state::*;
 pub use error::*;
 use utils::*;