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Ask questionsMPP pay splits into too many subpayments

I have an outbound channel with an BTC to Lightning exchange worth 2.000.000 satoshi, with enough capacity. I try to swap my 2.000.000 satoshi for the same amount, but on-chain. Lightningd splits the payment into too many subpayments, and eventually fails, even though the destination is only one hop away, and has enough capacity.

ElementsProject/lightning

Answer questions thestick613

Tried with #3936

2020-08-15T06:36:58.528Z INFO plugin-pay: Split into 20 sub-payments due to initial size (1999934000msat > 99996700msat)
2020-08-15T06:36:59.013Z UNUSUAL plugin-pay: Could not update the channel hint for 614927x1433x0/1. Could be a concurrent `getroute` call.
2020-08-15T06:36:59.015Z UNUSUAL plugin-pay: Could not update the channel hint for 614927x1433x0/1. Could be a concurrent `getroute` call.
2020-08-15T06:36:59.037Z UNUSUAL plugin-pay: Could not update the channel hint for 614927x1433x0/1. Could be a concurrent `getroute` call.
2020-08-15T06:36:59.037Z UNUSUAL plugin-pay: Could not update the channel hint for 614927x1433x0/1. Could be a concurrent `getroute` call.
2020-08-15T06:36:59.044Z UNUSUAL plugin-pay: Could not update the channel hint for 614927x1433x0/1. Could be a concurrent `getroute` call.
2020-08-15T06:36:59.048Z UNUSUAL plugin-pay: Could not update the channel hint for 614927x1433x0/1. Could be a concurrent `getroute` call.
2020-08-15T06:36:59.049Z UNUSUAL plugin-pay: Could not update the channel hint for 614927x1433x0/1. Could be a concurrent `getroute` call.
2020-08-15T06:36:59.055Z UNUSUAL plugin-pay: Could not update the channel hint for 614927x1433x0/1. Could be a concurrent `getroute` call.
2020-08-15T06:36:59.058Z UNUSUAL plugin-pay: Could not update the channel hint for 614927x1433x0/1. Could be a concurrent `getroute` call.
2020-08-15T06:36:59.060Z UNUSUAL plugin-pay: Could not update the channel hint for 614927x1433x0/1. Could be a concurrent `getroute` call.
2020-08-15T06:36:59.181Z UNUSUAL plugin-pay: Could not update the channel hint for 614927x1433x0/1. Could be a concurrent `getroute` call.
2020-08-15T06:36:59.181Z INFO plugin-pay: failed: WIRE_TEMPORARY_CHANNEL_FAILURE (WIRE_TEMPORARY_CHANNEL_FAILURE: Capacity exceeded - HTLC fee: 33951sat)
2020-08-15T06:36:59.184Z INFO plugin-pay: failed: WIRE_TEMPORARY_CHANNEL_FAILURE (WIRE_TEMPORARY_CHANNEL_FAILURE: Capacity exceeded - HTLC fee: 33951sat)
2020-08-15T06:36:59.187Z UNUSUAL plugin-pay: Could not update the channel hint for 614927x1433x0/1. Could be a concurrent `getroute` call.
2020-08-15T06:36:59.189Z UNUSUAL plugin-pay: Could not update the channel hint for 614927x1433x0/1. Could be a concurrent `getroute` call.
2020-08-15T06:36:59.194Z INFO plugin-pay: failed: WIRE_TEMPORARY_CHANNEL_FAILURE (WIRE_TEMPORARY_CHANNEL_FAILURE: Capacity exceeded - HTLC fee: 33951sat)
2020-08-15T06:36:59.195Z INFO plugin-pay: failed: WIRE_TEMPORARY_CHANNEL_FAILURE (WIRE_TEMPORARY_CHANNEL_FAILURE: Capacity exceeded - HTLC fee: 33951sat)
2020-08-15T06:36:59.196Z INFO plugin-pay: failed: WIRE_TEMPORARY_CHANNEL_FAILURE (WIRE_TEMPORARY_CHANNEL_FAILURE: Capacity exceeded - HTLC fee: 33951sat)
2020-08-15T06:36:59.197Z INFO plugin-pay: failed: WIRE_TEMPORARY_CHANNEL_FAILURE (WIRE_TEMPORARY_CHANNEL_FAILURE: Capacity exceeded - HTLC fee: 33951sat)
2020-08-15T06:36:59.202Z INFO plugin-pay: failed: WIRE_TEMPORARY_CHANNEL_FAILURE (WIRE_TEMPORARY_CHANNEL_FAILURE: Capacity exceeded - HTLC fee: 33951sat)
2020-08-15T06:36:59.215Z INFO plugin-pay: failed: WIRE_TEMPORARY_CHANNEL_FAILURE (WIRE_TEMPORARY_CHANNEL_FAILURE: Capacity exceeded - HTLC fee: 33951sat)
2020-08-15T06:36:59.216Z INFO plugin-pay: failed: WIRE_TEMPORARY_CHANNEL_FAILURE (WIRE_TEMPORARY_CHANNEL_FAILURE: Capacity exceeded - HTLC fee: 33951sat)
2020-08-15T06:36:59.221Z INFO plugin-pay: failed: WIRE_TEMPORARY_CHANNEL_FAILURE (WIRE_TEMPORARY_CHANNEL_FAILURE: Capacity exceeded - HTLC fee: 33951sat)
2020-08-15T06:36:59.274Z INFO plugin-pay: failed: WIRE_TEMPORARY_CHANNEL_FAILURE (WIRE_TEMPORARY_CHANNEL_FAILURE: Capacity exceeded - HTLC fee: 33951sat)
2020-08-15T06:36:59.274Z INFO plugin-pay: failed: WIRE_TEMPORARY_CHANNEL_FAILURE (WIRE_TEMPORARY_CHANNEL_FAILURE: Capacity exceeded - HTLC fee: 33951sat)
2020-08-15T06:36:59.275Z INFO plugin-pay: failed: WIRE_TEMPORARY_CHANNEL_FAILURE (WIRE_TEMPORARY_CHANNEL_FAILURE: Capacity exceeded - HTLC fee: 33951sat)
2020-08-15T06:37:00.388Z INFO 02e01367e1d7818a7e9a0e8a52badd5c32615e07568dbe0497b6a47f9bef89d6af-chan#64530: htlc 267 failed from 0th node with code 0x1007 (WIRE_TEMPORARY_CHANNEL_FAILURE)
2020-08-15T06:37:00.395Z INFO plugin-pay: failed: WIRE_TEMPORARY_CHANNEL_FAILURE (reply from remote)
2020-08-15T06:37:00.669Z INFO 02e01367e1d7818a7e9a0e8a52badd5c32615e07568dbe0497b6a47f9bef89d6af-chan#64530: htlc 268 failed from 1th node with code 0x1007 (WIRE_TEMPORARY_CHANNEL_FAILURE)
2020-08-15T06:37:00.676Z INFO plugin-pay: failed: WIRE_TEMPORARY_CHANNEL_FAILURE (reply from remote)
2020-08-15T06:37:00.821Z INFO 02e01367e1d7818a7e9a0e8a52badd5c32615e07568dbe0497b6a47f9bef89d6af-chan#64530: htlc 266 failed from 1th node with code 0x1007 (WIRE_TEMPORARY_CHANNEL_FAILURE)
2020-08-15T06:37:00.831Z INFO plugin-pay: failed: WIRE_TEMPORARY_CHANNEL_FAILURE (reply from remote)
2020-08-15T06:37:00.900Z INFO 023662f1db3d0527dab0869e30f183021db7dc44f6f2e32ece42dd124846c89ca1-chan#74914: htlc 319 failed from 0th node with code 0x100d (WIRE_INCORRECT_CLTV_EXPIRY)
2020-08-15T06:37:00.901Z INFO 023662f1db3d0527dab0869e30f183021db7dc44f6f2e32ece42dd124846c89ca1-chan#74914: htlc 321 failed from 0th node with code 0x100d (WIRE_INCORRECT_CLTV_EXPIRY)
2020-08-15T06:37:00.902Z INFO 023662f1db3d0527dab0869e30f183021db7dc44f6f2e32ece42dd124846c89ca1-chan#74914: htlc 322 failed from 0th node with code 0x100d (WIRE_INCORRECT_CLTV_EXPIRY)
2020-08-15T06:37:00.902Z INFO 023662f1db3d0527dab0869e30f183021db7dc44f6f2e32ece42dd124846c89ca1-chan#74914: htlc 320 failed from 0th node with code 0x100d (WIRE_INCORRECT_CLTV_EXPIRY)
2020-08-15T06:37:00.908Z UNUSUAL plugin-pay: Node #2 (03efccf2c383d7bf340da9a3f02e2c23104a0e4fe8ac1a880c8e2dc92fbdacd9df) claimed #1 (023662f1db3d0527dab0869e30f183021db7dc44f6f2e32ece42dd124846c89ca1) sent them invalid cltv
2020-08-15T06:37:00.908Z INFO plugin-pay: failed: WIRE_INCORRECT_CLTV_EXPIRY (reply from remote)
2020-08-15T06:37:00.908Z UNUSUAL plugin-pay: Node #2 (03952f8756c036669440e06c782c7f21732886ccf04052e0e6e792f8f5a490f6aa) claimed #1 (023662f1db3d0527dab0869e30f183021db7dc44f6f2e32ece42dd124846c89ca1) sent them invalid cltv
2020-08-15T06:37:00.909Z INFO plugin-pay: failed: WIRE_INCORRECT_CLTV_EXPIRY (reply from remote)
2020-08-15T06:37:00.909Z UNUSUAL plugin-pay: Node #2 (03952f8756c036669440e06c782c7f21732886ccf04052e0e6e792f8f5a490f6aa) claimed #1 (023662f1db3d0527dab0869e30f183021db7dc44f6f2e32ece42dd124846c89ca1) sent them invalid cltv
2020-08-15T06:37:00.909Z INFO plugin-pay: failed: WIRE_INCORRECT_CLTV_EXPIRY (reply from remote)
2020-08-15T06:37:00.909Z UNUSUAL plugin-pay: Node #2 (03952f8756c036669440e06c782c7f21732886ccf04052e0e6e792f8f5a490f6aa) claimed #1 (023662f1db3d0527dab0869e30f183021db7dc44f6f2e32ece42dd124846c89ca1) sent them invalid cltv
2020-08-15T06:37:00.909Z INFO plugin-pay: failed: WIRE_INCORRECT_CLTV_EXPIRY (reply from remote)
2020-08-15T06:37:01.246Z INFO 023662f1db3d0527dab0869e30f183021db7dc44f6f2e32ece42dd124846c89ca1-chan#74914: htlc 326 failed from 0th node with code 0x100d (WIRE_INCORRECT_CLTV_EXPIRY)
2020-08-15T06:37:01.598Z INFO 023662f1db3d0527dab0869e30f183021db7dc44f6f2e32ece42dd124846c89ca1-chan#74914: htlc 334 failed from 0th node with code 0x100d (WIRE_INCORRECT_CLTV_EXPIRY)
2020-08-15T06:37:01.599Z INFO 023662f1db3d0527dab0869e30f183021db7dc44f6f2e32ece42dd124846c89ca1-chan#74914: htlc 329 failed from 0th node with code 0x100d (WIRE_INCORRECT_CLTV_EXPIRY)
2020-08-15T06:37:01.600Z INFO 023662f1db3d0527dab0869e30f183021db7dc44f6f2e32ece42dd124846c89ca1-chan#74914: htlc 335 failed from 0th node with code 0x100d (WIRE_INCORRECT_CLTV_EXPIRY)
2020-08-15T06:37:01.601Z INFO 023662f1db3d0527dab0869e30f183021db7dc44f6f2e32ece42dd124846c89ca1-chan#74914: htlc 328 failed from 0th node with code 0x100d (WIRE_INCORRECT_CLTV_EXPIRY)
2020-08-15T06:37:01.601Z INFO 023662f1db3d0527dab0869e30f183021db7dc44f6f2e32ece42dd124846c89ca1-chan#74914: htlc 327 failed from 0th node with code 0x100d (WIRE_INCORRECT_CLTV_EXPIRY)
2020-08-15T06:37:01.602Z INFO 023662f1db3d0527dab0869e30f183021db7dc44f6f2e32ece42dd124846c89ca1-chan#74914: htlc 330 failed from 0th node with code 0x100d (WIRE_INCORRECT_CLTV_EXPIRY)
2020-08-15T06:37:01.603Z INFO 023662f1db3d0527dab0869e30f183021db7dc44f6f2e32ece42dd124846c89ca1-chan#74914: htlc 331 failed from 0th node with code 0x100d (WIRE_INCORRECT_CLTV_EXPIRY)
2020-08-15T06:37:01.604Z INFO 023662f1db3d0527dab0869e30f183021db7dc44f6f2e32ece42dd124846c89ca1-chan#74914: htlc 332 failed from 0th node with code 0x100d (WIRE_INCORRECT_CLTV_EXPIRY)
2020-08-15T06:37:01.604Z INFO 023662f1db3d0527dab0869e30f183021db7dc44f6f2e32ece42dd124846c89ca1-chan#74914: htlc 333 failed from 0th node with code 0x100d (WIRE_INCORRECT_CLTV_EXPIRY)
2020-08-15T06:37:01.612Z UNUSUAL plugin-pay: Node #2 (03952f8756c036669440e06c782c7f21732886ccf04052e0e6e792f8f5a490f6aa) claimed #1 (023662f1db3d0527dab0869e30f183021db7dc44f6f2e32ece42dd124846c89ca1) sent them invalid cltv
2020-08-15T06:37:01.612Z INFO plugin-pay: failed: WIRE_INCORRECT_CLTV_EXPIRY (reply from remote)
2020-08-15T06:37:01.612Z UNUSUAL plugin-pay: Node #2 (03952f8756c036669440e06c782c7f21732886ccf04052e0e6e792f8f5a490f6aa) claimed #1 (023662f1db3d0527dab0869e30f183021db7dc44f6f2e32ece42dd124846c89ca1) sent them invalid cltv
2020-08-15T06:37:01.612Z INFO plugin-pay: failed: WIRE_INCORRECT_CLTV_EXPIRY (reply from remote)
2020-08-15T06:37:01.613Z UNUSUAL plugin-pay: Node #2 (03952f8756c036669440e06c782c7f21732886ccf04052e0e6e792f8f5a490f6aa) claimed #1 (023662f1db3d0527dab0869e30f183021db7dc44f6f2e32ece42dd124846c89ca1) sent them invalid cltv
2020-08-15T06:37:01.613Z INFO plugin-pay: failed: WIRE_INCORRECT_CLTV_EXPIRY (reply from remote)
2020-08-15T06:37:01.613Z UNUSUAL plugin-pay: Node #2 (03952f8756c036669440e06c782c7f21732886ccf04052e0e6e792f8f5a490f6aa) claimed #1 (023662f1db3d0527dab0869e30f183021db7dc44f6f2e32ece42dd124846c89ca1) sent them invalid cltv
2020-08-15T06:37:01.613Z INFO plugin-pay: failed: WIRE_INCORRECT_CLTV_EXPIRY (reply from remote)
2020-08-15T06:37:01.614Z UNUSUAL plugin-pay: Node #2 (03952f8756c036669440e06c782c7f21732886ccf04052e0e6e792f8f5a490f6aa) claimed #1 (023662f1db3d0527dab0869e30f183021db7dc44f6f2e32ece42dd124846c89ca1) sent them invalid cltv
2020-08-15T06:37:01.614Z INFO plugin-pay: failed: WIRE_INCORRECT_CLTV_EXPIRY (reply from remote)
2020-08-15T06:37:01.614Z UNUSUAL plugin-pay: Node #2 (03952f8756c036669440e06c782c7f21732886ccf04052e0e6e792f8f5a490f6aa) claimed #1 (023662f1db3d0527dab0869e30f183021db7dc44f6f2e32ece42dd124846c89ca1) sent them invalid cltv
2020-08-15T06:37:01.614Z INFO plugin-pay: failed: WIRE_INCORRECT_CLTV_EXPIRY (reply from remote)
2020-08-15T06:37:01.614Z UNUSUAL plugin-pay: Node #2 (03952f8756c036669440e06c782c7f21732886ccf04052e0e6e792f8f5a490f6aa) claimed #1 (023662f1db3d0527dab0869e30f183021db7dc44f6f2e32ece42dd124846c89ca1) sent them invalid cltv
2020-08-15T06:37:01.614Z INFO plugin-pay: failed: WIRE_INCORRECT_CLTV_EXPIRY (reply from remote)
2020-08-15T06:37:01.615Z UNUSUAL plugin-pay: Node #2 (03952f8756c036669440e06c782c7f21732886ccf04052e0e6e792f8f5a490f6aa) claimed #1 (023662f1db3d0527dab0869e30f183021db7dc44f6f2e32ece42dd124846c89ca1) sent them invalid cltv
2020-08-15T06:37:01.615Z INFO plugin-pay: failed: WIRE_INCORRECT_CLTV_EXPIRY (reply from remote)
2020-08-15T06:37:01.615Z UNUSUAL plugin-pay: Node #2 (03952f8756c036669440e06c782c7f21732886ccf04052e0e6e792f8f5a490f6aa) claimed #1 (023662f1db3d0527dab0869e30f183021db7dc44f6f2e32ece42dd124846c89ca1) sent them invalid cltv
2020-08-15T06:37:01.615Z INFO plugin-pay: failed: WIRE_INCORRECT_CLTV_EXPIRY (reply from remote)
2020-08-15T06:37:02.224Z INFO 02e01367e1d7818a7e9a0e8a52badd5c32615e07568dbe0497b6a47f9bef89d6af-chan#64530: htlc 269 failed from 1th node with code 0x1007 (WIRE_TEMPORARY_CHANNEL_FAILURE)
2020-08-15T06:37:02.229Z INFO plugin-pay: failed: WIRE_TEMPORARY_CHANNEL_FAILURE (reply from remote)
2020-08-15T06:37:02.738Z INFO 023662f1db3d0527dab0869e30f183021db7dc44f6f2e32ece42dd124846c89ca1-chan#74914: htlc 336 failed from 0th node with code 0x100d (WIRE_INCORRECT_CLTV_EXPIRY)
2020-08-15T06:37:02.739Z INFO 023662f1db3d0527dab0869e30f183021db7dc44f6f2e32ece42dd124846c89ca1-chan#74914: htlc 337 failed from 0th node with code 0x100d (WIRE_INCORRECT_CLTV_EXPIRY)
2020-08-15T06:37:02.740Z INFO 023662f1db3d0527dab0869e30f183021db7dc44f6f2e32ece42dd124846c89ca1-chan#74914: htlc 338 failed from 0th node with code 0x100d (WIRE_INCORRECT_CLTV_EXPIRY)
2020-08-15T06:37:02.747Z UNUSUAL plugin-pay: Node #2 (03952f8756c036669440e06c782c7f21732886ccf04052e0e6e792f8f5a490f6aa) claimed #1 (023662f1db3d0527dab0869e30f183021db7dc44f6f2e32ece42dd124846c89ca1) sent them invalid cltv
2020-08-15T06:37:02.747Z INFO plugin-pay: failed: WIRE_INCORRECT_CLTV_EXPIRY (reply from remote)
2020-08-15T06:37:02.747Z UNUSUAL plugin-pay: Node #2 (03952f8756c036669440e06c782c7f21732886ccf04052e0e6e792f8f5a490f6aa) claimed #1 (023662f1db3d0527dab0869e30f183021db7dc44f6f2e32ece42dd124846c89ca1) sent them invalid cltv
2020-08-15T06:37:02.747Z INFO plugin-pay: failed: WIRE_INCORRECT_CLTV_EXPIRY (reply from remote)
2020-08-15T06:37:02.748Z UNUSUAL plugin-pay: Node #2 (03952f8756c036669440e06c782c7f21732886ccf04052e0e6e792f8f5a490f6aa) claimed #1 (023662f1db3d0527dab0869e30f183021db7dc44f6f2e32ece42dd124846c89ca1) sent them invalid cltv
2020-08-15T06:37:02.748Z INFO plugin-pay: failed: WIRE_INCORRECT_CLTV_EXPIRY (reply from remote)
2020-08-15T06:37:03.321Z INFO 023662f1db3d0527dab0869e30f183021db7dc44f6f2e32ece42dd124846c89ca1-chan#74914: htlc 340 failed from 0th node with code 0x100d (WIRE_INCORRECT_CLTV_EXPIRY)
2020-08-15T06:37:03.322Z INFO 023662f1db3d0527dab0869e30f183021db7dc44f6f2e32ece42dd124846c89ca1-chan#74914: htlc 339 failed from 0th node with code 0x100d (WIRE_INCORRECT_CLTV_EXPIRY)
2020-08-15T06:37:03.323Z INFO 023662f1db3d0527dab0869e30f183021db7dc44f6f2e32ece42dd124846c89ca1-chan#74914: htlc 341 failed from 0th node with code 0x100d (WIRE_INCORRECT_CLTV_EXPIRY)
2020-08-15T06:37:03.329Z UNUSUAL plugin-pay: Node #2 (02a04446caa81636d60d63b066f2814cbd3a6b5c258e3172cbdded7a16e2cfff4c) claimed #1 (023662f1db3d0527dab0869e30f183021db7dc44f6f2e32ece42dd124846c89ca1) sent them invalid cltv
2020-08-15T06:37:03.330Z INFO plugin-pay: failed: WIRE_INCORRECT_CLTV_EXPIRY (reply from remote)
2020-08-15T06:37:03.330Z UNUSUAL plugin-pay: Node #2 (02a04446caa81636d60d63b066f2814cbd3a6b5c258e3172cbdded7a16e2cfff4c) claimed #1 (023662f1db3d0527dab0869e30f183021db7dc44f6f2e32ece42dd124846c89ca1) sent them invalid cltv
2020-08-15T06:37:03.330Z INFO plugin-pay: failed: WIRE_INCORRECT_CLTV_EXPIRY (reply from remote)
2020-08-15T06:37:03.331Z UNUSUAL plugin-pay: Node #2 (02a04446caa81636d60d63b066f2814cbd3a6b5c258e3172cbdded7a16e2cfff4c) claimed #1 (023662f1db3d0527dab0869e30f183021db7dc44f6f2e32ece42dd124846c89ca1) sent them invalid cltv
2020-08-15T06:37:03.331Z INFO plugin-pay: failed: WIRE_INCORRECT_CLTV_EXPIRY (reply from remote)
2020-08-15T06:37:03.603Z INFO 023662f1db3d0527dab0869e30f183021db7dc44f6f2e32ece42dd124846c89ca1-chan#74914: htlc 343 failed from 0th node with code 0x100d (WIRE_INCORRECT_CLTV_EXPIRY)
2020-08-15T06:37:03.604Z INFO 023662f1db3d0527dab0869e30f183021db7dc44f6f2e32ece42dd124846c89ca1-chan#74914: htlc 345 failed from 0th node with code 0x100d (WIRE_INCORRECT_CLTV_EXPIRY)
2020-08-15T06:37:03.605Z INFO 023662f1db3d0527dab0869e30f183021db7dc44f6f2e32ece42dd124846c89ca1-chan#74914: htlc 344 failed from 0th node with code 0x100d (WIRE_INCORRECT_CLTV_EXPIRY)
2020-08-15T06:37:03.605Z INFO 023662f1db3d0527dab0869e30f183021db7dc44f6f2e32ece42dd124846c89ca1-chan#74914: htlc 342 failed from 0th node with code 0x100d (WIRE_INCORRECT_CLTV_EXPIRY)

In the end, it failed as well.

useful!
source:https://uonfu.com/
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