pub fn send_many_transactions(
node: &LegacyContactInfo,
funding_keypair: &Keypair,
connection_cache: &Arc<ConnectionCache>,
max_tokens_per_transfer: u64,
num_txs: u64
) -> HashMap<Pubkey, u64>
pub fn send_many_transactions(
node: &LegacyContactInfo,
funding_keypair: &Keypair,
connection_cache: &Arc<ConnectionCache>,
max_tokens_per_transfer: u64,
num_txs: u64
) -> HashMap<Pubkey, u64>