On-chain wallet holding this customer's funded reward pool.
Funded pool balance, read from the DB (solana_account_transaction).
solana_account_transaction
The ledger_account FK'd to this program (reward_program.ledger_account_id).
ledger_account
reward_program.ledger_account_id
Exposure of owed rewards against the funded pool.
On-chain wallet holding this customer's funded reward pool.