Recover the amount of a confidential transfer as the mint's auditor: decode the confidential-transfer instruction from the confirmed transaction and decrypt the auditor ciphertext (lo/hi halves) with the auditor's ElGamal secret key.
Recover the amount of a confidential transfer as the mint's auditor: decode the confidential-transfer instruction from the confirmed transaction and decrypt the auditor ciphertext (lo/hi halves) with the auditor's ElGamal secret key.