1. Make sure unseal price is > 0
lotus-miner retrieval-deals set-ask --unseal-price 0.000000001
lotus-miner retrieval-deals get-ask
Price per Byte  Unseal Price     Payment Interval  Payment Interval Increase
0 FIL           0.000000001 FIL  1MiB              1MiB

2. Do retrieval, stuck
lotus client retrieve --miner f010617 bafykbzacec3ay7tfx3dhjhnkxjap26x2yltoo5rwkdurumzfwuqgsnbo5wz4c /tmp/CC-MAIN-2018-13-index.tar.01
> Recv: 0 B, Paid 0 FIL, ClientEventOpen (DealStatusNew)
> Recv: 0 B, Paid 0 FIL, ClientEventDealProposed (DealStatusWaitForAcceptance)

3. miner side log
2021-03-30T05:52:30.732Z	INFO	dt-impl	impl/events.go:255	received new channel request from 12D3KooWEdkgB5RQCAZToi4d3U9GSYwjLR38tqaNVtrwy5KGH81q
2021-03-30T05:52:30.741Z	INFO	markets	loggers/loggers.go:30	retrieval provider event	{"name": "ProviderEventPaymentRequested", "deal ID": "52", "receiver": "12D3KooWEdkgB5RQCAZToi4d3U9GSYwjLR38tqaNVtrwy5KGH81q", "state": "DealStatusFundsNeededUnseal", "message": ""}
2021-03-30T05:52:30.743Z	ERROR	retrieval-revalidator	requestvalidation/revalidator.go:61	cannot track deal 52: channel ID is nil
2021-03-30T05:52:30.751Z	INFO	markets	loggers/loggers.go:30	retrieval provider event	{"name": "ProviderEventDealAccepted", "deal ID": "52", "receiver": "12D3KooWEdkgB5RQCAZToi4d3U9GSYwjLR38tqaNVtrwy5KGH81q", "state": "DealStatusFundsNeededUnseal", "message": ""}


4. ctrl+C on the client side and execute cancel transfer, this shows on the miner side log:

2021-03-30T05:57:24.200Z	INFO	dt-impl	impl/events.go:99	channel 12D3KooWEdkgB5RQCAZToi4d3U9GSYwjLR38tqaNVtrwy5KGH81q-12D3KooW9txku6jNfPtCr4Rtvjn2BzgetANMMESS9h675Cdpwndy-1617048641929355740: received cancel request, cleaning up channel
2021-03-30T05:57:24.200Z	INFO	markets	loggers/loggers.go:30	retrieval provider event	{"name": "ProviderEventClientCancelled", "deal ID": "52", "receiver": "12D3KooWEdkgB5RQCAZToi4d3U9GSYwjLR38tqaNVtrwy5KGH81q", "state": "DealStatusCancelling", "message": "Client cancelled retrieval"}
2021-03-30T05:57:24.209Z	INFO	dt-impl	impl/impl.go:285	close channel 12D3KooWEdkgB5RQCAZToi4d3U9GSYwjLR38tqaNVtrwy5KGH81q-12D3KooW9txku6jNfPtCr4Rtvjn2BzgetANMMESS9h675Cdpwndy-1617048641929355740
2021-03-30T05:57:24.209Z	WARN	dt-impl	impl/impl.go:295	unable to close channel 12D3KooWEdkgB5RQCAZToi4d3U9GSYwjLR38tqaNVtrwy5KGH81q-12D3KooW9txku6jNfPtCr4Rtvjn2BzgetANMMESS9h675Cdpwndy-1617048641929355740: channel not found
2021-03-30T05:57:24.209Z	INFO	dt-impl	impl/impl.go:299	12D3KooW9txku6jNfPtCr4Rtvjn2BzgetANMMESS9h675Cdpwndy: sending cancel channel to 12D3KooWEdkgB5RQCAZToi4d3U9GSYwjLR38tqaNVtrwy5KGH81q for channel 12D3KooWEdkgB5RQCAZToi4d3U9GSYwjLR38tqaNVtrwy5KGH81q-12D3KooW9txku6jNfPtCr4Rtvjn2BzgetANMMESS9h675Cdpwndy-1617048641929355740
2021-03-30T05:57:24.210Z	INFO	markets	loggers/loggers.go:30	retrieval provider event	{"name": "ProviderEventCancelComplete", "deal ID": "52", "receiver": "12D3KooWEdkgB5RQCAZToi4d3U9GSYwjLR38tqaNVtrwy5KGH81q", "state": "DealStatusCancelled", "message": "Client cancelled retrieval"}
2021-03-30T05:57:36.192Z	INFO	miner	miner/miner.go:383	Time delta between now and our mining base: 6s (nulls: 0)