Function getWeb3Signature

getWeb3Signature(
    configuration: SignerConfig,
    timestamp: string,
    method: string,
    requestPath: string,
    body: string,
): string
Generates a Binance Web3 signature.

The prehash is the concatenation of timestamp, method, requestPath, and body with no separators. The output is base64-encoded. Two key types are supported:
1. HMAC-SHA256 using an apiSecret.
2. Ed25519 using a privateKey.
Parameters
- configuration: SignerConfig
  Configuration object containing API secret or Ed25519 private key.
- timestamp: string
  ISO-8601 timestamp matching the X-OC-TIMESTAMP header.
- method: string
  Uppercase HTTP method (e.g. GET, POST).
- requestPath: string
  URL path plus raw query string, exactly as sent on the wire.
- body: string
  The raw request body, or '' for methods without a body.
Returns string
A base64-encoded signature for the X-OC-SIGN header.

Throws
If neither apiSecret nor privateKey is provided.
- Defined in common/src/utils.ts:101