From 9177ae27758e7fdd7ddaecb5b593e1dd57d6d8e8 Mon Sep 17 00:00:00 2001
From: Ardis Lu <ardisglu@gmail.com>
Date: Sat, 7 Feb 2026 23:54:04 -0800
Subject: [PATCH] Add tests for Hemi

---
 calculate.test.js | 62 ++++++++++++++++++++++++++++++++++++++++++++++-
 index.html        |  2 +-
 2 files changed, 62 insertions(+), 2 deletions(-)

diff --git a/calculate.test.js b/calculate.test.js
index c7aef9b..af78092 100644
--- a/calculate.test.js
+++ b/calculate.test.js
@@ -1419,4 +1419,64 @@ suite('Taiko Alethia', { concurrency: true }, () => {
     });
     deepStrictEqual(hash, '0x166bd4b075db4a9e114568a8a880459dbc8b82d889d67f51c660fcea9795b6c1');
   });
-});
\ No newline at end of file
+});
+
+suite('Hemi', { concurrency: true }, () => {
+  test('Block number 0', { concurrency: true }, () => {
+    const { hash } = calculate({
+      "baseFeePerGas": "0x3b9aca00",
+      "difficulty": "0x0",
+      "extraData": "0x5e205e20762076203c203e203c203e2042544320455448205354415254",
+      "gasLimit": "0x1c9c380",
+      "gasUsed": "0x0",
+      "logsBloom": "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+      "miner": "0x4200000000000000000000000000000000000011",
+      "mixHash": "0x0000000000000000000000000000000000000000000000000000000000000000",
+      "nonce": "0x0000000000000000",
+      "number": "0x0",
+      "parentHash": "0x0000000000000000000000000000000000000000000000000000000000000000",
+      "receiptsRoot": "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+      "sha3Uncles": "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347",
+      "size": "0x21f",
+      "stateRoot": "0xf43052e971c03bebb1f9cadf2f7188e8db3d5a502cd8249a1fd06e39ff390ada",
+      "timestamp": "0x66dea2d7",
+      "transactions": [],
+      "transactionsRoot": "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+      "uncles": []
+    });
+    deepStrictEqual(hash, '0x6b070d8b8f3bf81c9314ff863748e3db2662ecc0a8dbd4c394a8b646ae0c8b8b');
+  });
+
+  test('Block number 3722528', { concurrency: true }, () => {
+    const { hash } = calculate({
+      "baseFeePerGas": "0xfc",
+      "blobGasUsed": "0x0",
+      "difficulty": "0x0",
+      "excessBlobGas": "0x0",
+      "extraData": "0x00000000fa00000006",
+      "gasLimit": "0x1c9c380",
+      "gasUsed": "0xca20",
+      "logsBloom": "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+      "miner": "0x4200000000000000000000000000000000000011",
+      "mixHash": "0xfdc224cc3aa706a2963609ced4ce930a7a294c2afa53f35209687ee90fb74b3b",
+      "nonce": "0x0000000000000000",
+      "number": "0x38cd20",
+      "parentBeaconBlockRoot": "0xe1f8c779f42c2fc0c4c9544c296f87bd86d6e68324dff10bf78a03529a4471e3",
+      "parentHash": "0xbf9dc6b5d2fa0641408ee2853de4e2f8d26237a78e5e1fcf7cf80a26e109da20",
+      "receiptsRoot": "0xb451fae58174545e7ab534242ddf2f9f604ef466bd188296395881176824f159",
+      "requestsHash": "0xe3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
+      "sha3Uncles": "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347",
+      "size": "0x380",
+      "stateRoot": "0x2ec0535d81a7a47029b7122e918651cc97863eae2c3e32cf4ed614a7d52e71b6",
+      "timestamp": "0x69884057",
+      "transactions": [
+        "0x486bc90ae9387758a0b994fec90fb8f34296ad222e8dedf46872c7a6172420e6"
+      ],
+      "transactionsRoot": "0x41c465ea7365b1caae2df48c81af835063d08e131ed8c6971e5dfd3d7da7ff93",
+      "uncles": [],
+      "withdrawals": [],
+      "withdrawalsRoot": "0x3c02fe0e41900e6f41b710696b27ed26ab3e8534e6682d69be464ecd962c6d3b"
+    });
+    deepStrictEqual(hash, '0x9e36e54280690bfab4a35e3b3daf1e25465fffeaa0f6a52d5cc64bdc2d0a6f55');
+  });
+});
diff --git a/index.html b/index.html
index acdd32b..ff3ebf1 100644
--- a/index.html
+++ b/index.html
@@ -25,7 +25,7 @@
   <main>
     <h1>Block Hash Calculator</h1>
     <a href="https://github.com/ardislu/block-hash-calculator/">GitHub</a>
-    <p>Enter a block number and a JSON-RPC provider below to recalculate the block's hash from its header fields. Known supported networks: Ethereum, Polygon PoS, BNB Chain, OP Mainnet, Base, Arbitrum One, Linea, Scroll, Blast, Mantle, Avalanche C-Chain, ZKsync Era, Ink Mainnet, Sonic Mainnet, Unichain, World Chain, Soneium, Zircuit Mainnet, and Taiko Alethia.</p>
+    <p>Enter a block number and a JSON-RPC provider below to recalculate the block's hash from its header fields. Known supported networks: Ethereum, Polygon PoS, BNB Chain, OP Mainnet, Base, Arbitrum One, Linea, Scroll, Blast, Mantle, Avalanche C-Chain, ZKsync Era, Ink Mainnet, Sonic Mainnet, Unichain, World Chain, Soneium, Zircuit Mainnet, Taiko Alethia, and Hemi.</p>
     <form>
       <label for="num">Block number (empty value will default to latest block)</label>
       <input id="num" name="num" type="number" min="0" placeholder="12345678">
-- 
2.47.3