(SELECT

date_trunc('month', block_timestamp) AS months,

SUM(event_amount_usd) AS amount_stake

FROM terra.staking

WHERE action = 'delegate'

GROUP BY 1),

reward as

(SELECT

date_trunc('month', block_timestamp) AS months1,

SUM(event_amount_usd) AS amount_reward

FROM terra.reward

WHERE action = 'withdraw_delegator_rewards'

GROUP BY 1)

SELECT A.months, A.amount_stake, B.amount_reward

from stake A

join reward B on A.months = B.months1

order by 1 desc