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cli.go
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cli.go
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package dealfilter
import (
"bytes"
"context"
"encoding/json"
"os/exec"
"github.com/filecoin-project/go-fil-markets/retrievalmarket"
"github.com/filecoin-project/go-fil-markets/storagemarket"
"github.com/filecoin-project/lotus/node/modules/dtypes"
)
func CliStorageDealFilter(cmd string) dtypes.StorageDealFilter {
return func(ctx context.Context, deal storagemarket.MinerDeal) (bool, string, error) {
d := struct {
storagemarket.MinerDeal
DealType string
}{
MinerDeal: deal,
DealType: "storage",
}
return runDealFilter(ctx, cmd, d)
}
}
func CliRetrievalDealFilter(cmd string) dtypes.RetrievalDealFilter {
return func(ctx context.Context, deal retrievalmarket.ProviderDealState) (bool, string, error) {
d := struct {
retrievalmarket.ProviderDealState
DealType string
}{
ProviderDealState: deal,
DealType: "retrieval",
}
return runDealFilter(ctx, cmd, d)
}
}
func runDealFilter(ctx context.Context, cmd string, deal interface{}) (bool, string, error) {
j, err := json.MarshalIndent(deal, "", " ")
if err != nil {
return false, "", err
}
var out bytes.Buffer
c := exec.Command("sh", "-c", cmd)
c.Stdin = bytes.NewReader(j)
c.Stdout = &out
c.Stderr = &out
switch err := c.Run().(type) {
case nil:
return true, "", nil
case *exec.ExitError:
return false, out.String(), nil
default:
return false, "filter cmd run error", err
}
}