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await_receipt_req.go
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await_receipt_req.go
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// Copyright 2020 IOTA Stiftung
// SPDX-License-Identifier: Apache-2.0
package chain
import (
"context"
"time"
"github.com/iotaledger/hive.go/logger"
"github.com/iotaledger/wasp/packages/isc"
"github.com/iotaledger/wasp/packages/vm/core/blocklog"
)
type awaitReceiptReq struct {
ctx context.Context
requestID isc.RequestID
responseCh chan<- *blocklog.RequestReceipt
startTime time.Time
log *logger.Logger
}
func newAwaitReceiptReq(ctx context.Context, requestID isc.RequestID, log *logger.Logger) (*awaitReceiptReq, <-chan *blocklog.RequestReceipt) {
log.Debugf("AwaitRequestProcessed(%v) started", requestID)
responseCh := make(chan *blocklog.RequestReceipt, 1)
r := &awaitReceiptReq{
ctx: ctx,
requestID: requestID,
responseCh: responseCh,
startTime: time.Now(),
log: log,
}
return r, responseCh
}
func (r *awaitReceiptReq) Respond(receipt *blocklog.RequestReceipt) {
r.log.Debugf("AwaitRequestProcessed(%v) responding in %v", r.requestID, time.Since(r.startTime))
if r.ctx.Err() != nil {
close(r.responseCh)
return
}
r.responseCh <- receipt
close(r.responseCh)
}
func (r *awaitReceiptReq) CloseIfCanceled() bool {
if r.ctx.Err() != nil {
close(r.responseCh)
return true
}
return false
}