From 2b4e155adc8c6087e6d3e8f8c0116e70c375fff0 Mon Sep 17 00:00:00 2001
From: lljxx1 <lljxx1@gmail.com>
Date: Thu, 27 Nov 2025 15:17:08 +0800
Subject: [PATCH 1/2] feat: add lighter

---
 src/utils.ts | 25 ++++++++++++++++++++++++-
 1 file changed, 24 insertions(+), 1 deletion(-)

diff --git a/src/utils.ts b/src/utils.ts
index e9b433f..ac6addd 100644
--- a/src/utils.ts
+++ b/src/utils.ts
@@ -11,7 +11,8 @@ export type VmType =
   | "solana-vm"
   | "sui-vm"
   | "ton-vm"
-  | "tron-vm";
+  | "tron-vm"
+  | "lighter-vm";
 
 export type ChainIdToVmType = Record<string, VmType>;
 
@@ -40,6 +41,8 @@ export const getVmTypeNativeCurrency = (vmType: VmType) => {
       return "11111111111111111111111111111111";
     case "tron-vm":
       return "T9yD14Nj9j7xAB4dbGeiX9h8unkKHxuWwb";
+    case "lighter-vm":
+      return "0";
     default:
       throw new Error(`Native currency not available for vm type ${vmType}`);
   }
@@ -113,6 +116,14 @@ export const encodeAddress = (address: string, vmType: VmType): Uint8Array => {
     case "tron-vm": {
       return hexToBytes(`0x${tronweb.utils.address.toHex(address)}`);
     }
+
+    case "lighter-vm": {
+      return hexToBytes(`0x${Number(address).toString(16).padStart(32, "0")}`);
+    }
+
+    default: {
+      throw new Error(`Vm type not implemented (encodeAddress)`);
+    }
   }
 };
 
@@ -167,6 +178,10 @@ export const decodeAddress = (address: Uint8Array, vmType: VmType): string => {
     case "tron-vm": {
       return tronweb.utils.address.fromHex(bytesToHex(address).slice(2));
     }
+
+    case "lighter-vm": {
+      return Number("0x" + Buffer.from(address).toString("hex")).toString();
+    }
   }
 };
 
@@ -204,6 +219,10 @@ export const encodeTransactionId = (
     case "tron-vm": {
       return hexToBytes(`0x${transactionId}`);
     }
+
+    case "lighter-vm": {
+      return hexToBytes(`0x${transactionId}`);
+    }
   }
 };
 
@@ -239,5 +258,9 @@ export const decodeTransactionId = (
     case "tron-vm": {
       return bytesToHex(transactionId).slice(2);
     }
+
+    case "lighter-vm": {
+      return bytesToHex(transactionId).slice(2);
+    }
   }
 };

From 3b470b539b04a727eb0b436ef4154689801e6cab Mon Sep 17 00:00:00 2001
From: lljxx1 <lljxx1@gmail.com>
Date: Fri, 28 Nov 2025 11:04:57 +0800
Subject: [PATCH 2/2] feat: add lighter

---
 package.json | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/package.json b/package.json
index 1a7c8de..2f7046c 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@reservoir0x/relay-protocol-sdk",
-  "version": "0.0.53",
+  "version": "0.0.54",
   "description": "Relay protocol SDK",
   "main": "dist/index.js",
   "types": "dist/index.d.ts",