Function getConfidentialBalance

getConfidentialBalance(
    client: Client,
    account: string,
    mptIssuanceID: string,
    privateKey: string,
): Promise<bigint>
Decrypt a holder's spendable confidential balance from the ledger.
Parameters
- client: Client
  A connected Client.
- account: string
  The classic XRPL address of the token holder.
- mptIssuanceID: string
  The 24-byte hex MPTokenIssuanceID.
- privateKey: string
  The holder's 32-byte hex ElGamal private key.
Returns Promise<bigint>
The decrypted spendable balance, or 0n if the MPToken exists but has no confidential spending balance set.

Throws
If the account holds no MPToken for the issuance.
- Defined in packages/xrpl/src/confidential/ledger.ts:208