From e4c548df4757fd2c879b30f9bb841e6a77773ba7 Mon Sep 17 00:00:00 2001
From: iteye <iteyelmp@gmail.com>
Date: Wed, 28 Aug 2024 12:12:45 +0800
Subject: [PATCH 1/3] support optimism blob

---
 contracts/BlobStorageManager.sol | 7 ++++---
 contracts/ERC5018.sol            | 2 ++
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/contracts/BlobStorageManager.sol b/contracts/BlobStorageManager.sol
index 657da22..cd2db25 100644
--- a/contracts/BlobStorageManager.sol
+++ b/contracts/BlobStorageManager.sol
@@ -5,7 +5,8 @@ import "@openzeppelin/contracts/access/Ownable.sol";
 
 enum DecodeType {
     RawData,
-    PaddingPer31Bytes
+    PaddingPer31Bytes,
+    OptimismCompact
 }
 
 interface IEthStorageContract {
@@ -84,7 +85,7 @@ contract BlobStorageManager is Ownable {
             return (new bytes(0), false);
         }
 
-        bytes memory data = storageContract.get(keyToChunks[key][chunkId], DecodeType.PaddingPer31Bytes, 0, length);
+        bytes memory data = storageContract.get(keyToChunks[key][chunkId], DecodeType.OptimismCompact, 0, length);
         return (data, true);
     }
 
@@ -99,7 +100,7 @@ contract BlobStorageManager is Ownable {
         for (uint256 chunkId = 0; chunkId < chunkNum; chunkId++) {
             bytes32 chunkKey = keyToChunks[key][chunkId];
             uint256 length = storageContract.size(chunkKey);
-            storageContract.get(chunkKey, DecodeType.PaddingPer31Bytes, 0, length);
+            storageContract.get(chunkKey, DecodeType.OptimismCompact, 0, length);
 
             assembly {
                 returndatacopy(add(add(concatenatedData, offset), 0x20), 0x40, length)
diff --git a/contracts/ERC5018.sol b/contracts/ERC5018.sol
index 4b2b90e..d6ec6f8 100644
--- a/contracts/ERC5018.sol
+++ b/contracts/ERC5018.sol
@@ -7,6 +7,8 @@ import "./BlobStorageManager.sol";
 
 contract ERC5018 is IERC5018, LargeStorageManager, BlobStorageManager {
 
+    string public constant version = "1.0.0";
+
     enum StorageMode {
         Uninitialized,
         OnChain,

From e091dc256d16a2d3e22f7accefe6a47ec6190386 Mon Sep 17 00:00:00 2001
From: iteye <iteyelmp@gmail.com>
Date: Wed, 28 Aug 2024 18:04:22 +0800
Subject: [PATCH 2/3] change version

---
 contracts/ERC5018.sol | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/contracts/ERC5018.sol b/contracts/ERC5018.sol
index d6ec6f8..859080b 100644
--- a/contracts/ERC5018.sol
+++ b/contracts/ERC5018.sol
@@ -7,8 +7,6 @@ import "./BlobStorageManager.sol";
 
 contract ERC5018 is IERC5018, LargeStorageManager, BlobStorageManager {
 
-    string public constant version = "1.0.0";
-
     enum StorageMode {
         Uninitialized,
         OnChain,
@@ -22,6 +20,12 @@ contract ERC5018 is IERC5018, LargeStorageManager, BlobStorageManager {
         address storageAddress
     ) LargeStorageManager(slotLimit) BlobStorageManager(maxChunkSize, storageAddress) {}
 
+    /// @notice Semantic version.
+    /// @custom:semver 1.0.0
+    function version() public pure virtual returns (string memory) {
+        return "1.0.0";
+    }
+
     function getStorageMode(bytes memory name) public view returns (StorageMode) {
         return storageModes[keccak256(name)];
     }

From c7281556518cce9a6067daa7346bcebbe2b4c9fe Mon Sep 17 00:00:00 2001
From: iteye <iteyelmp@gmail.com>
Date: Wed, 28 Aug 2024 19:09:51 +0800
Subject: [PATCH 3/3] add ISemver.sol

---
 contracts/ERC5018.sol |  3 ++-
 contracts/ISemver.sol | 13 +++++++++++++
 2 files changed, 15 insertions(+), 1 deletion(-)
 create mode 100644 contracts/ISemver.sol

diff --git a/contracts/ERC5018.sol b/contracts/ERC5018.sol
index 859080b..881d4f6 100644
--- a/contracts/ERC5018.sol
+++ b/contracts/ERC5018.sol
@@ -4,8 +4,9 @@ pragma solidity ^0.8.0;
 import "./IERC5018.sol";
 import "./LargeStorageManager.sol";
 import "./BlobStorageManager.sol";
+import "./ISemver.sol";
 
-contract ERC5018 is IERC5018, LargeStorageManager, BlobStorageManager {
+contract ERC5018 is LargeStorageManager, BlobStorageManager, IERC5018, ISemver {
 
     enum StorageMode {
         Uninitialized,
diff --git a/contracts/ISemver.sol b/contracts/ISemver.sol
new file mode 100644
index 0000000..22a5dde
--- /dev/null
+++ b/contracts/ISemver.sol
@@ -0,0 +1,13 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.0;
+
+/// @title ISemver
+/// @notice ISemver is a simple contract for ensuring that contracts are
+///         versioned using semantic versioning.
+interface ISemver {
+    /// @notice Getter for the semantic version of the contract. This is not
+    ///         meant to be used onchain but instead meant to be used by offchain
+    ///         tooling.
+    /// @return Semver contract version as a string.
+    function version() external view returns (string memory);
+}