From d89e21c66b80ba5e5acbc2d1796869a00f0c3a90 Mon Sep 17 00:00:00 2001
From: Emanuel Pargov <bamzedev@gmail.com>
Date: Tue, 30 Jul 2024 20:56:33 +0300
Subject: [PATCH] Add preimage struct (#25)

---
 internal/block/block.go    | 1 +
 internal/block/preimage.go | 9 +++++++++
 2 files changed, 10 insertions(+)
 create mode 100644 internal/block/preimage.go

diff --git a/internal/block/block.go b/internal/block/block.go
index 78f5c9e..df83577 100644
--- a/internal/block/block.go
+++ b/internal/block/block.go
@@ -9,5 +9,6 @@ type Block struct {
 // Extrinsic represents the block extrinsic data
 type Extrinsic struct {
 	ET []*TicketProof
+	EP *PreimageExtrinsic
 	ED *DisputeExtrinsic
 }
diff --git a/internal/block/preimage.go b/internal/block/preimage.go
new file mode 100644
index 0000000..db246d5
--- /dev/null
+++ b/internal/block/preimage.go
@@ -0,0 +1,9 @@
+package block
+
+// PreimageItem represents a single preimage item in the extrinsic
+type Preimage struct {
+    ServiceIndex uint32
+    Data         []byte
+}
+
+type PreimageExtrinsic []Preimage