setFeePayer

open fun setFeePayer(encodedTx: String, feePayer: String): String

Adds fee payer to the given transaction, and returns the updated transaction.

base64 encoded Solana transaction. Null if an error occurred.

encoded_tx

base64 encoded Solana transaction.

fee_payer

fee payer account address. Must be a base58 encoded public key. It must NOT be in the account list yet.