index/functions/calculatePersonalSignPrefix.md
calculatePersonalSignPrefix(
message):string
The EIP-191 header for message: "\x19Ethereum Signed Message:\n" + the message's UTF-8 BYTE
length. This is what a wallet's personal_sign prepends, and what the chain recomputes when it
recovers a personal-signed DTO.
x19 ethereum personal sign
Parameters
| Parameter | Type |
|---|---|
message | string |
Returns
string