prepareSign

1
function prepareSign<TAccount>(
2
  client,
3
  params,
4
): Promise<{
5
  chainId: `0x${string}`;
6
  signatureRequest:
7
    | {
8
        data:
9
          | string
10
          | {
11
              raw: `0x${string}`;
12
            };
13
        type: "personal_sign";
14
      }
15
    | {
16
        data: {
17
          domain?: {
18
            chainId?: number;
19
            name?: string;
20
            salt?: `0x${string}`;
21
            verifyingContract?: `0x${string}`;
22
            version?: string;
23
          };
24
          message: Record<string, unknown>;
25
          primaryType: string;
26
          types: Record<string, object[]>;
27
        };
28
        type: "eth_signTypedData_v4";
29
      };
30
}>;

1
// Prepare a message to be signed
2
const result = await client.prepareSign({
3
  from: "0x1234...",
4
  type: "personal_sign",
5
  data: "Hello, world!",
6
});