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I am making an attempt to ship a cost in LND, utilizing the SendToRouteRequest rpc. It doesn’t matter what worth I enter as total_time_lock within the request, I get both EXPIRY_TOO_SOON or EXPIRY_TOO_FAR error.
Under is a concrete instance. I first attempt a sure total_time_lock, and I get error EXPIRY_TOO_SOON. Instantly, I improve the total_time_lock by 1 (all the things else stays the identical), and I get EXPIRY_TOO_FAR. So, it appears that evidently no worth works.
What am I doing improper?
The code:
node = LightningNode() # object that handles rpc channel initialization
amount_msat=10000000
request = ln.Bill(
memo='test-invoice',
value_msat=amount_msat,
expiry=3600
)
response = node.stub.AddInvoice(request, metadata=node.metadata)
r_hash = response.r_hash
block_height = get_block_count() # returns present block top
route= 'hops': ['amt_to_forward_msat': 10014010,
'chan_capacity': 500000,
'chan_id': 938853187921707009,
'amt_to_forward_msat': 10008020,
'chan_capacity': 50000000,
'chan_id': 939936206842560512,
'amt_to_forward_msat': 10008020,
'chan_capacity': 50000000,
'chan_id': 939936206848786432,
'amt_to_forward_msat': 10008010,
'chan_capacity': 6056127,
'chan_id': 937025799454982144,
'amt_to_forward_msat': 10008000,
'chan_capacity': 10069462,
'chan_id': 940502455302291457,
'amt_to_forward_msat': 10008000,
'chan_capacity': 2065297,
'chan_id': 929527130166001664,
'amt_to_forward_msat': 10000000,
'chan_capacity': 500000,
'chan_id': 938880675621371905],
'total_amt_msat': 10035100,
'total_fees_msat': 35100,
'total_time_lock': block_height + 2016
routerStub = routerstub.RouterStub(node.channel)
send_request = routerrpc.SendToRouteRequest(
payment_hash=r_hash,
route=route,
)
pprint(send_request)
response = routerStub.SendToRouteV2(send_request, metadata=node.metadata)
pprint(MessageToDict(response))
route['total_time_lock'] += 1
send_request2 = routerrpc.SendToRouteRequest(
payment_hash=r_hash,
route=route,
)
pprint(send_request2)
response = routerStub.SendToRouteV2(send_request2, metadata=node.metadata)
pprint(MessageToDict(response))
request = invoicesrpc.CancelInvoiceMsg(
payment_hash=r_hash,
)
response = node.invStub.CancelInvoice(request, metadata=node.metadata)
Output:
payment_hash: " 30212,303 32274percent251/u@ 0270255357 17G>177!!r/306{h347s[347;"
route
total_time_lock: 857929
hops
chan_id: 938853187921707009
chan_capacity: 500000
amt_to_forward_msat: 10014010
hops
chan_id: 939936206842560512
chan_capacity: 50000000
amt_to_forward_msat: 10008020
hops
chan_id: 939936206848786432
chan_capacity: 50000000
amt_to_forward_msat: 10008020
hops
chan_id: 937025799454982144
chan_capacity: 6056127
amt_to_forward_msat: 10008010
hops
chan_id: 940502455302291457
chan_capacity: 10069462
amt_to_forward_msat: 10008000
hops
chan_id: 929527130166001664
chan_capacity: 2065297
amt_to_forward_msat: 10008000
hops
chan_id: 938880675621371905
chan_capacity: 500000
amt_to_forward_msat: 10000000
total_fees_msat: 35100
total_amt_msat: 10035100
'attemptId': '29703',
'attemptTimeNs': '1723130821625335738',
'failure': 'channelUpdate': 'baseFee': 1000,
'chainHash': 'b+KMCrbxs3LBpqJGrmP3T5Meg2XhWgicaNYZAAAAAAA=',
'chanId': '939936206842560512',
'channelFlags': 1,
'feeRate': 499,
'htlcMaximumMsat': '20000000000',
'htlcMinimumMsat': '1',
'messageFlags': 1,
'signature': 'qoOhVnK1MWRcwbjodVlWLgee5s2TbZUwMI6KPOVATFs9GRJZlP9kpBgT7UWBJs7Vw5QP2jDiH/QMoALI0XUnqA==',
'timeLockDelta': 144,
'timestamp': 1722473695,
'code': 'EXPIRY_TOO_SOON',
'failureSourceIndex': 1,
'resolveTimeNs': '1723130821953436487',
'route': 'hops': ['amtToForward': '10014',
'amtToForwardMsat': '10014010',
'chanCapacity': '500000',
'chanId': '938853187921707009',
'fee': '21',
'feeMsat': '21090',
'pubKey': '03864ef025fde8fb587d989186ce6a4a186895ee44a926bfc370e2c366597a3f8f',
'tlvPayload': True,
'amtToForward': '10008',
'amtToForwardMsat': '10008020',
'chanCapacity': '50000000',
'chanId': '939936206842560512',
'fee': '5',
'feeMsat': '5990',
'pubKey': '02dd3fcdaa17b9bc83bf7138fbea85d0e83385a68b5fc8f9933658c8ee04644f68',
'tlvPayload': True,
'amtToForward': '10008',
'amtToForwardMsat': '10008020',
'chanCapacity': '50000000',
'chanId': '939936206848786432',
'pubKey': '026165850492521f4ac8abd9bd8088123446d126f648ca35e60f88177dc149ceb2',
'tlvPayload': True,
'amtToForward': '10008',
'amtToForwardMsat': '10008010',
'chanCapacity': '6056127',
'chanId': '937025799454982144',
'feeMsat': '10',
'pubKey': '02972e2342498fa91691dc5efd0deeb3dc7877b2f3d68ba9a698cf276b1d5de6ca',
'tlvPayload': True,
'amtToForward': '10008',
'amtToForwardMsat': '10008000',
'chanCapacity': '10069462',
'chanId': '940502455302291457',
'feeMsat': '10',
'pubKey': '0390b5d4492dc2f5318e5233ab2cebf6d48914881a33ef6a9c6bcdbb433ad986d0',
'tlvPayload': True,
'amtToForward': '10008',
'amtToForwardMsat': '10008000',
'chanCapacity': '2065297',
'chanId': '929527130166001664',
'pubKey': '034ea80f8b148c750463546bd999bf7321a0e6dfc60aaf84bd0400a2e8d376c0d5',
'tlvPayload': True,
'amtToForward': '10000',
'amtToForwardMsat': '10000000',
'chanCapacity': '500000',
'chanId': '938880675621371905',
'fee': '8',
'feeMsat': '8000',
'pubKey': '021a6d7cfefdf74b5112cde8a7e9632478f5c9bc4cc5780d231b11f95710ea7edd',
'tlvPayload': True],
'totalAmt': '10035',
'totalAmtMsat': '10035100',
'totalFees': '35',
'totalFeesMsat': '35100',
'totalTimeLock': 857929,
'standing': 'FAILED'
payment_hash: " 30212,303 32274percent251/u@ 0270255357 17G>177!!r/306{h347s[347;"
route
total_time_lock: 857930
hops
chan_id: 938853187921707009
chan_capacity: 500000
amt_to_forward_msat: 10014010
hops
chan_id: 939936206842560512
chan_capacity: 50000000
amt_to_forward_msat: 10008020
hops
chan_id: 939936206848786432
chan_capacity: 50000000
amt_to_forward_msat: 10008020
hops
chan_id: 937025799454982144
chan_capacity: 6056127
amt_to_forward_msat: 10008010
hops
chan_id: 940502455302291457
chan_capacity: 10069462
amt_to_forward_msat: 10008000
hops
chan_id: 929527130166001664
chan_capacity: 2065297
amt_to_forward_msat: 10008000
hops
chan_id: 938880675621371905
chan_capacity: 500000
amt_to_forward_msat: 10000000
total_fees_msat: 35100
total_amt_msat: 10035100
'attemptId': '29704',
'attemptTimeNs': '1723130822054676067',
'failure': 'code': 'EXPIRY_TOO_FAR',
'resolveTimeNs': '1723130822078943747',
'route': 'hops': ['amtToForward': '10014',
'amtToForwardMsat': '10014010',
'chanCapacity': '500000',
'chanId': '938853187921707009',
'fee': '21',
'feeMsat': '21090',
'pubKey': '03864ef025fde8fb587d989186ce6a4a186895ee44a926bfc370e2c366597a3f8f',
'tlvPayload': True,
'amtToForward': '10008',
'amtToForwardMsat': '10008020',
'chanCapacity': '50000000',
'chanId': '939936206842560512',
'fee': '5',
'feeMsat': '5990',
'pubKey': '02dd3fcdaa17b9bc83bf7138fbea85d0e83385a68b5fc8f9933658c8ee04644f68',
'tlvPayload': True,
'amtToForward': '10008',
'amtToForwardMsat': '10008020',
'chanCapacity': '50000000',
'chanId': '939936206848786432',
'pubKey': '026165850492521f4ac8abd9bd8088123446d126f648ca35e60f88177dc149ceb2',
'tlvPayload': True,
'amtToForward': '10008',
'amtToForwardMsat': '10008010',
'chanCapacity': '6056127',
'chanId': '937025799454982144',
'feeMsat': '10',
'pubKey': '02972e2342498fa91691dc5efd0deeb3dc7877b2f3d68ba9a698cf276b1d5de6ca',
'tlvPayload': True,
'amtToForward': '10008',
'amtToForwardMsat': '10008000',
'chanCapacity': '10069462',
'chanId': '940502455302291457',
'feeMsat': '10',
'pubKey': '0390b5d4492dc2f5318e5233ab2cebf6d48914881a33ef6a9c6bcdbb433ad986d0',
'tlvPayload': True,
'amtToForward': '10008',
'amtToForwardMsat': '10008000',
'chanCapacity': '2065297',
'chanId': '929527130166001664',
'pubKey': '034ea80f8b148c750463546bd999bf7321a0e6dfc60aaf84bd0400a2e8d376c0d5',
'tlvPayload': True,
'amtToForward': '10000',
'amtToForwardMsat': '10000000',
'chanCapacity': '500000',
'chanId': '938880675621371905',
'fee': '8',
'feeMsat': '8000',
'pubKey': '021a6d7cfefdf74b5112cde8a7e9632478f5c9bc4cc5780d231b11f95710ea7edd',
'tlvPayload': True],
'totalAmt': '10035',
'totalAmtMsat': '10035100',
'totalFees': '35',
'totalFeesMsat': '35100',
'totalTimeLock': 857930,
'standing': 'FAILED'
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