From 450c6df357b623c0cce760cdbd1a31d53696b3aa Mon Sep 17 00:00:00 2001
From: Luk <wameup@outlook.com>
Date: Mon, 16 Mar 2026 14:17:15 +0800
Subject: [PATCH] add `content_to_cid`

---
 package.json | 1 +
 ticc.js      | 7 +++++++
 2 files changed, 8 insertions(+)

diff --git a/package.json b/package.json
index bd14d3e..7cf3381 100644
--- a/package.json
+++ b/package.json
@@ -12,6 +12,7 @@
     "eccrypto-js": "^5.4.0",
     "ethereum-rsa": "^1.0.5",
     "hdkey": "^2.0.1",
+    "ipfs-only-hash": "^4.0.0",
     "js-crypto-key-utils": "^1.0.4",
     "keccak": "^3.0.2",
     "secp256k1": "^4.0.3",
diff --git a/ticc.js b/ticc.js
index 3c334b6..841e910 100644
--- a/ticc.js
+++ b/ticc.js
@@ -16,6 +16,7 @@ const hdkey = require('hdkey') // https://github.com/cryptocoinjs/hdkey // 或
 const secp256k1 = require('secp256k1')
 const base32encode = require('base32-encode')
 const base32decode = require('base32-decode')
+const ipfsOnlyHash = require('ipfs-only-hash')
 const { TronWeb } = require('tronweb')
 
 // 全部以hex为默认输入输出格式，方便人的阅读，以及方便函数之间统一接口
@@ -1527,6 +1528,12 @@ class TicCrypto {
     return '04' + this.padStart(x.toString(16), 64, '0') + this.padStart(y.toString(16), 64, '0')
   }
 
+  static async content_to_cid ({ content, ...option }) {
+    // {content: 'hello world', cidVersion: 0}
+    // content can be a string, a file, a stream
+    return await ipfsOnlyHash.of(content, option)
+  }
+
   // cahex: content address hex. 最核心的纯hex的内容地址，没有任何额外标记。同一个内容的 cahex 是唯一的，而 cid 是在 cahex 基础上有各种不同的编码，转成字符串形式。cid建议叫做 caid.
   static cid_to_cahex ({ cid }) {
     try {