feat(experimental): solady hash utils

Author: jxom

.changeset/smart-squids-hope.md

@@ -0,0 +1,9 @@
+---
+"viem": patch
+---
+
+**Experimental:** Added Solady utilities:
+
+- `hashMessage`
+- `hashTypedData`
+- `wrapTypedDataSignature`

package.json

@@ -94,7 +94,7 @@
       "src": {
         "entry": [
           "index.ts!",
-          "{accounts,actions,celo,chains,ens,experimental,node,nonce,op-stack,siwe,utils,window,zksync}/index.ts!",
+          "{accounts,actions,celo,chains,ens,experimental,experimental/solady,node,nonce,op-stack,siwe,utils,window,zksync}/index.ts!",
           "chains/utils.ts!"
         ],
         "ignore": ["node/trustedSetups_cjs.ts"]

site/pages/experimental/solady/hashMessage.md

@@ -0,0 +1,78 @@
+---
+description: Hashes an EIP-191 message via Solady's ERC-1271 format.
+---
+
+# hashMessage
+
+Calculates a [EIP-191](https://eips.ethereum.org/EIPS/eip-191) personal sign hash via Solady's [ERC-1271 `PersonalSign` format](https://github.com/Vectorized/solady/blob/678c9163550810b08f0ffb09624c9f7532392303/src/accounts/ERC1271.sol#L154-L166).
+
+## Import
+
+```ts
+import { hashMessage } from 'viem/experimental/solady'
+```
+
+## Usage
+
+```ts
+import { hashMessage } from 'viem/experimental/solady'
+
+// Hash a UTF-8 value.
+hashMessage({ 
+  message: 'hello world', 
+  verifierDomain: { 
+    name: 'Smart Account', 
+    version: '1', 
+    verifyingContract: '0x1234567890abcdef1234567890abcdef12345678', 
+    chainId: 1, 
+  }, 
+}) 
+
+// Hash a hex data value.
+hashMessage({ 
+  message: { raw: '0x68656c6c6f20776f726c64' }, 
+  verifierDomain: { 
+    name: 'Smart Account', 
+    version: '1', 
+    verifyingContract: '0x1234567890abcdef1234567890abcdef12345678', 
+    chainId: 1, 
+  }, 
+}) 
+
+// Hash a bytes data value.
+hashMessage({ 
+  message: {
+    raw: Uint8Array.from([
+      104, 101, 108, 108, 111, 32, 119, 111, 114, 108, 100,
+    ])
+  }, 
+  verifierDomain: { 
+    name: 'Smart Account', 
+    version: '1', 
+    verifyingContract: '0x1234567890abcdef1234567890abcdef12345678', 
+    chainId: 1, 
+  }, 
+}) 
+```
+
+## Returns
+
+[`Hex`](/docs/glossary/types#hex)
+
+A signable message hash.
+
+## Parameters
+
+### message
+
+- **Type:** `string | { raw: Hex | ByteArray }`
+
+Message to hash.
+
+### verifierDomain
+
+- **Type:** `TypedDataDomain`
+
+The EIP-712 domain of the verifying contract.
+
+