Move FIELD_ELEMENTS_PER_EXT_BLOB to cell.h

Also add new EXPANSION_FACTOR constant.
ethereum · Sep 18, 2024 · 7cf99f2 · 7cf99f2
1 parent 87068fb
commit 7cf99f2
Show file tree

Hide file tree

Showing 3 changed files with 7 additions and 4 deletions.
diff --git a/bindings/rust/src/bindings/generated.rs b/bindings/rust/src/bindings/generated.rs
diff --git a/src/eip4844/blob.h b/src/eip4844/blob.h
@@ -28,9 +28,6 @@
 /** The number of field elements in a blob. */
 #define FIELD_ELEMENTS_PER_BLOB 4096
 
-/** The number of field elements in an extended blob */
-#define FIELD_ELEMENTS_PER_EXT_BLOB (FIELD_ELEMENTS_PER_BLOB * 2)
-
 /** The number of bytes in a blob. */
 #define BYTES_PER_BLOB (FIELD_ELEMENTS_PER_BLOB * BYTES_PER_FIELD_ELEMENT)
 

diff --git a/src/eip7594/cell.h b/src/eip7594/cell.h
@@ -30,6 +30,12 @@
 /** The number of bytes in a single cell. */
 #define BYTES_PER_CELL (FIELD_ELEMENTS_PER_CELL * BYTES_PER_FIELD_ELEMENT)
 
+/** The Reed-Solomon erasuring coding expansion factor. */
+#define EXPANSION_FACTOR 2
+
+/** The number of field elements in an extended blob */
+#define FIELD_ELEMENTS_PER_EXT_BLOB (FIELD_ELEMENTS_PER_BLOB * EXPANSION_FACTOR)
+
 /** The number of cells in an extended blob. */
 #define CELLS_PER_EXT_BLOB (FIELD_ELEMENTS_PER_EXT_BLOB / FIELD_ELEMENTS_PER_CELL)