Merge pull request #2584 from filecoin-project/fix/chainwatch/top-miners-by-reward-applies-wincount

Top Miner by Reward applies WinCount; Add max_height view
This commit is contained in:
Łukasz Magiera 2020-07-25 10:02:39 +02:00 committed by GitHub
commit fc28098292
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 69 additions and 20 deletions

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@ -51,30 +51,11 @@ create table if not exists chain_power
primary key,
baseline_power text not null
);
create materialized view if not exists top_miners_by_base_reward as
with total_rewards_by_miner as (
select
b.miner,
sum(bbr.base_block_reward) as total_reward
from blocks b
inner join base_block_rewards bbr on b.parentstateroot = bbr.state_root
group by 1
) select
rank() over (order by total_reward desc),
miner,
total_reward
from total_rewards_by_miner
group by 2, 3;
create index if not exists top_miners_by_base_reward_miner_index
on top_miners_by_base_reward (miner);
`); err != nil {
return err
}
return tx.Commit()
}
func (p *Processor) HandleRewardChanges(ctx context.Context, rewardTips ActorTips) error {

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@ -8,6 +8,56 @@ import (
"golang.org/x/xerrors"
)
func setupTopMinerByBaseRewardSchema(ctx context.Context, db *sql.DB) error {
select {
case <-ctx.Done():
return nil
default:
}
tx, err := db.Begin()
if err != nil {
return err
}
if _, err := tx.Exec(`
create materialized view if not exists top_miners_by_base_reward as
with total_rewards_by_miner as (
select
b.miner,
sum(bbr.base_block_reward * b.win_count) as total_reward
from blocks b
inner join base_block_rewards bbr on b.parentstateroot = bbr.state_root
group by 1
) select
rank() over (order by total_reward desc),
miner,
total_reward
from total_rewards_by_miner
group by 2, 3;
create index if not exists top_miners_by_base_reward_miner_index
on top_miners_by_base_reward (miner);
create materialized view if not exists top_miners_by_base_reward_max_height as
select
b."timestamp"as current_timestamp,
max(b.height) as current_height
from blocks b
join base_block_rewards bbr on b.parentstateroot = bbr.state_root
where bbr.base_block_reward is not null
group by 1
order by 1 desc
limit 1;
`); err != nil {
return xerrors.Errorf("create top_miner_by_base_reward views", err)
}
if err := tx.Commit(); err != nil {
return xerrors.Errorf("commiting top_miner_by_base_reward views", err)
}
return nil
}
func refreshTopMinerByBaseReward(ctx context.Context, db *sql.DB) error {
select {
case <-ctx.Done():
@ -20,10 +70,15 @@ func refreshTopMinerByBaseReward(ctx context.Context, db *sql.DB) error {
log.Debugw("refresh top_miners_by_base_reward", "duration", time.Since(t).String())
}()
_, err := db.Exec("REFRESH MATERIALIZED VIEW top_miners_by_base_reward;")
_, err := db.Exec("refresh materialized view top_miners_by_base_reward;")
if err != nil {
return xerrors.Errorf("refresh top_miners_by_base_reward: %w", err)
}
_, err = db.Exec("refresh materialized view top_miners_by_base_reward_max_height;")
if err != nil {
return xerrors.Errorf("refresh top_miners_by_base_reward_max_height: %w", err)
}
return nil
}

View File

@ -6,6 +6,8 @@ import (
"time"
logging "github.com/ipfs/go-log/v2"
"golang.org/x/xerrors"
)
var log = logging.Logger("scheduler")
@ -21,10 +23,21 @@ func PrepareScheduler(db *sql.DB) *Scheduler {
return &Scheduler{db}
}
func (s *Scheduler) setupSchema(ctx context.Context) error {
if err := setupTopMinerByBaseRewardSchema(ctx, s.db); err != nil {
return xerrors.Errorf("setup top miners by reward schema", err)
}
return nil
}
// Start the scheduler jobs at the defined intervals
func (s *Scheduler) Start(ctx context.Context) {
log.Debug("Starting Scheduler")
if err := s.setupSchema(ctx); err != nil {
log.Fatalw("applying scheduling schema", err)
}
go func() {
// run once on start after schema has initialized
time.Sleep(5 * time.Second)