chore(sdk): drop unused EIP-712 schemas from signatureSchemas

.changeset/sdk-drop-dead-signature-schemas.md

@@ -0,0 +1,5 @@
+---
+'@audius/sdk': patch
+---
+
+Remove unused EIP-712 `domains`, `types`, and `generators` exports from the internal `signatureSchemas` module and rename what remains (`getNonce`) to `nonce.ts`. None of the removed definitions were reachable from the public SDK entry point, so this is not a breaking change.

packages/sdk/src/sdk/services/EntityManager/EntityManagerClient.ts

@@ -10,7 +10,7 @@ import * as runtime from '../../api/generated/default/runtime'
 import { productionConfig } from '../../config/production'
 import fetch, { Headers } from '../../utils/fetch'
 import { mergeConfigWithDefaults } from '../../utils/mergeConfigs'
-import { getNonce } from '../../utils/signatureSchemas'
+import { getNonce } from '../../utils/nonce'
 import type { AudiusWalletClient } from '../AudiusWalletClient'
 import type { LoggerService } from '../Logger'
 

packages/sdk/src/sdk/utils/nonce.ts

@@ -0,0 +1,10 @@
+import { bytesToHex as toHex, randomBytes } from '@noble/hashes/utils'
+import type { Hex } from 'viem'
+
+/**
+ * Generates a cryptographically secure nonce, in node or the browser, for
+ * EIP-712 signed messages that need replay protection.
+ */
+export const getNonce = async () => {
+  return ('0x' + toHex(randomBytes(32))) as Hex
+}