UNKNOWN_PAYMENT_HASH

Using Python 2.7.15+ on Ubuntu 18.04, latest code from master, lnd version 0.7.0-beta commit=v0.7.0-beta-rc3 installed with routerrpc, latest requirements.txt installed with pip. I’m trying to rebalance a channel with the following command and getting an error. I’ve tried this with different “to” channels and different amounts and I get the same error.

$ python rebalance.py -f 627916797039411200 -t 630216975379267584 -a 500000 --max-fee-factor 3
Sending 500,000 satoshis to rebalance to channel with ID 630216975379267584
Forced first channel has ID 627916797039411200

Trying route #1
627916797039411200 -> 623648492953534464 -> 631089987556999169 -> 630216975379267584
failure {
  code: UNKNOWN_PAYMENT_HASH
  failure_source_pubkey: "\003\201\030\340I\017\215=\360{k\334^p4\336\351\rv\220\022vM1\277\353\026ri\206h$\360"
}

Unknown error code 1
Could not find any suitable route

[C-Otto]

I have plenty of information, thanks for reporting. I’ll work on this when I find the time.

[Fr4nZ82]

Same for me, debian 9.9 Python 2.7.13 lnd 0.7.0-beta commit=v0.7.0-beta-6-gb16259592944ec12c7e47bc10b3b69e25d61950f

lnd logs:

2019-07-08 21:11:53.248 [ERR] CRTR: Attempt to send payment 8c859859c3eaa582720441cf286663ce43331b213a81110a2f29715642b7cd73 failed: UnknownNextPeer
2019-07-08 21:11:53.248 [WRN] CRTR: Failed to find route for payment 8c859859c3eaa582720441cf286663ce43331b213a81110a2f29715642b7cd73: pre-built route already tried
2019-07-08 21:11:54.664 [ERR] CRTR: Attempt to send payment 8c859859c3eaa582720441cf286663ce43331b213a81110a2f29715642b7cd73 failed: TemporaryChannelFailure(update=(*lnwire.ChannelUpdate)(0xc001a5c0b0)({
 Signature: (lnwire.Sig) (len=64 cap=64) {
  00000000  08 94 b7 44 46 34 03 aa  e8 dc c9 57 37 17 85 0c  |...DF4.....W7...|
  00000010  17 3b a7 ac 28 80 8f 44  e8 83 a2 0b 30 fd 0d 78  |.;..(..D....0..x|
  00000020  4a fa f4 27 9e 4f 52 4e  94 b9 60 2c 67 17 6b 3c  |J..'.ORN..`,g.k<|
  00000030  89 50 f2 8c 2b 73 81 ab  aa 28 35 f7 e7 e8 62 7e  |.P..+s...(5...b~|
 },
 ChainHash: (chainhash.Hash) (len=32 cap=32) 000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f,
 ShortChannelID: (lnwire.ShortChannelID) 532202:2187:0,
 Timestamp: (uint32) 1562598599,
 MessageFlags: (lnwire.ChanUpdateMsgFlags) 00000001,
 ChannelFlags: (lnwire.ChanUpdateChanFlags) 00000001,
 TimeLockDelta: (uint16) 144,
 HtlcMinimumMsat: (lnwire.MilliSatoshi) 1000 mSAT,
 BaseFee: (uint32) 0,
 FeeRate: (uint32) 1,
 HtlcMaximumMsat: (lnwire.MilliSatoshi) 1000000000 mSAT,
 ExtraOpaqueData: ([]uint8) <nil>
})
)
2019-07-08 21:11:54.665 [WRN] CRTR: Failed to find route for payment 8c859859c3eaa582720441cf286663ce43331b213a81110a2f29715642b7cd73: pre-built route already tried
2019-07-08 21:11:56.131 [ERR] CRTR: Attempt to send payment 8c859859c3eaa582720441cf286663ce43331b213a81110a2f29715642b7cd73 failed: TemporaryChannelFailure(update=(*lnwire.ChannelUpdate)(0xc001a5c210)({
 Signature: (lnwire.Sig) (len=64 cap=64) {
  00000000  f0 42 99 22 8e 1e 22 99  6c 9c 6f 5a 97 5e 6d 8f  |.B."..".l.oZ.^m.|
  00000010  0c 66 1b 1f 79 55 05 8d  86 12 39 af be 15 ce 03  |.f..yU....9.....|
  00000020  2b 29 0c 98 9f 76 07 77  5d 56 df de 64 0d 8a 26  |+)...v.w]V..d..&|
  00000030  a5 77 5b 60 00 2b 39 76  2e 71 a8 0d a6 d9 1a 5f  |.w[`.+9v.q....._|
 },
 ChainHash: (chainhash.Hash) (len=32 cap=32) 000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f,
 ShortChannelID: (lnwire.ShortChannelID) 565435:791:0,
 Timestamp: (uint32) 1562600399,
 MessageFlags: (lnwire.ChanUpdateMsgFlags) 00000001,
 ChannelFlags: (lnwire.ChanUpdateChanFlags) 00000001,
 TimeLockDelta: (uint16) 144,
 HtlcMinimumMsat: (lnwire.MilliSatoshi) 18 mSAT,
 BaseFee: (uint32) 0,
 FeeRate: (uint32) 1,
 HtlcMaximumMsat: (lnwire.MilliSatoshi) 15000000000 mSAT,
 ExtraOpaqueData: ([]uint8) <nil>
})
)
2019-07-08 21:11:56.132 [WRN] CRTR: Failed to find route for payment 8c859859c3eaa582720441cf286663ce43331b213a81110a2f29715642b7cd73: pre-built route already tried
2019-07-08 21:11:57.521 [ERR] CRTR: Attempt to send payment 8c859859c3eaa582720441cf286663ce43331b213a81110a2f29715642b7cd73 failed: TemporaryChannelFailure(update=(*lnwire.ChannelUpdate)(0xc001a5c0b0)({
 Signature: (lnwire.Sig) (len=64 cap=64) {
  00000000  8e e2 ff f6 d5 dd cb db  66 8a 18 8b 4e 9d 25 ad  |........f...N.%.|
  00000010  ed 37 54 dc d1 7e 1d 98  a3 4a c1 59 ce 78 b1 92  |.7T..~...J.Y.x..|
  00000020  62 06 cb e9 46 69 fc 99  57 63 39 d0 59 be 46 95  |b...Fi..Wc9.Y.F.|
  00000030  44 3e 93 2a d3 36 40 30  00 92 2c 8f 20 17 22 01  |D>.*.6@0..,. .".|
 },
 ChainHash: (chainhash.Hash) (len=32 cap=32) 000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f,
 ShortChannelID: (lnwire.ShortChannelID) 565730:996:1,
 Timestamp: (uint32) 1562598082,
 MessageFlags: (lnwire.ChanUpdateMsgFlags) 00000001,
 ChannelFlags: (lnwire.ChanUpdateChanFlags) 00000001,
 TimeLockDelta: (uint16) 144,
 HtlcMinimumMsat: (lnwire.MilliSatoshi) 18 mSAT,
 BaseFee: (uint32) 0,
 FeeRate: (uint32) 1,
 HtlcMaximumMsat: (lnwire.MilliSatoshi) 990000000 mSAT,
 ExtraOpaqueData: ([]uint8) <nil>
})
)
2019-07-08 21:11:57.522 [WRN] CRTR: Failed to find route for payment 8c859859c3eaa582720441cf286663ce43331b213a81110a2f29715642b7cd73: pre-built route already tried
2019-07-08 21:12:01.732 [ERR] CRTR: Attempt to send payment 8c859859c3eaa582720441cf286663ce43331b213a81110a2f29715642b7cd73 failed: UnknownPaymentHash(amt=99999250 mSAT)
2019-07-08 21:12:01.732 [ERR] CRTR: Payment 8c859859c3eaa582720441cf286663ce43331b213a81110a2f29715642b7cd73 failed with final outcome: UnknownPaymentHash(amt=99999250 mSAT)