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feeds_manager_chain_config.go
49 lines (39 loc) · 1.35 KB
/
feeds_manager_chain_config.go
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package loader
import (
"context"
"strconv"
"github.com/graph-gophers/dataloader"
"github.com/smartcontractkit/chainlink/core/services/chainlink"
"github.com/smartcontractkit/chainlink/core/services/feeds"
)
type feedsManagerChainConfigBatcher struct {
app chainlink.Application
}
func (b *feedsManagerChainConfigBatcher) loadByManagerIDs(_ context.Context, keys dataloader.Keys) []*dataloader.Result {
ids, keyOrder := keyOrderInt64(keys)
cfgs, err := b.app.GetFeedsService().ListChainConfigsByManagerIDs(ids)
if err != nil {
return []*dataloader.Result{{Data: nil, Error: err}}
}
// Generate a map of specs to job proposal IDs
cfgsForManager := map[string][]feeds.ChainConfig{}
for _, cfg := range cfgs {
mgrID := strconv.Itoa(int(cfg.FeedsManagerID))
cfgsForManager[mgrID] = append(cfgsForManager[mgrID], cfg)
}
// Construct the output array of dataloader results
results := make([]*dataloader.Result, len(keys))
for k, ns := range cfgsForManager {
ix, ok := keyOrder[k]
// if found, remove from index lookup map so we know elements were found
if ok {
results[ix] = &dataloader.Result{Data: ns, Error: nil}
delete(keyOrder, k)
}
}
// fill array positions without any job proposals as an empty slice
for _, ix := range keyOrder {
results[ix] = &dataloader.Result{Data: []feeds.ChainConfig{}, Error: nil}
}
return results
}