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core-lightning/plugins/spender
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niftynei 6db6ba6c03 dual-funding: introduce racy state 
It's unlikely but possible that a race condition will result in us not
being at the 'secured' state yet here.

Crashlogs. All required msgs are received (in order)
from peers, but the crash suggests they weren't relayed/processed by the
spender plugin in the order received.

WIRE_TX_SIGNATURES is passed the the plugin via a notification;
WIRE_COMMITMENT_SIGNED is returned as the result of an RPC call.

```
021-03-25T12:12:33.5213247Z lightningd-1: 2021-03-25T11:50:13.351Z DEBUG   035d2b1192dfba134e10e540875d366ebc8bc353d5aa766b80c090b39c3a5d885d-dualopend-chan#3: peer_in WIRE_COMMITMENT_SIGNED
2021-03-25T12:12:33.5221140Z lightningd-1: 2021-03-25T11:50:13.659Z DEBUG   022d223620a359a47ff7f7ac447c85c46c923da53389221a0054c11c1e3ca31d59-dualopend-chan#1: peer_in WIRE_COMMITMENT_SIGNED
2021-03-25T12:12:33.5228462Z lightningd-1: 2021-03-25T11:50:14.169Z DEBUG   035d2b1192dfba134e10e540875d366ebc8bc353d5aa766b80c090b39c3a5d885d-dualopend-chan#3: peer_in WIRE_TX_SIGNATURES
2021-03-25T12:12:33.5230957Z lightningd-1: 2021-03-25T11:50:14.375Z DEBUG   plugin-spenderp: mfc 275, dest 1: openchannel_update 035d2b1192dfba134e10e540875d366ebc8bc353d5aa766b80c090b39c3a5d885d returned.
2021-03-25T12:12:33.5233307Z lightningd-1: 2021-03-25T11:50:14.539Z DEBUG   022d223620a359a47ff7f7ac447c85c46c923da53389221a0054c11c1e3ca31d59-dualopend-chan#1: peer_in WIRE_TX_SIGNATURES
2021-03-25T12:12:33.5235120Z lightningd-1: 2021-03-25T11:50:17.240Z INFO    plugin-spenderp: Killing plugin: exited during normal operation
2021-03-25T12:12:33.5236707Z lightningd-1: 2021-03-25T11:50:17.260Z **BROKEN** plugin-spenderp: Plugin marked as important, shutting down lightningd!
```

Fixes #4455
2021-03-30 13:44:11 +10:30
..
fundchannel.c fundchannel: take a 'close_to' address 2020-10-16 13:51:57 +10:30
fundchannel.h plugins/spender/fundchannel.c: Make fundchannel a thin layer around multifundchannel. 2020-09-10 15:28:50 +09:30
main.c libplugin: make init return a string. 2021-01-13 14:45:36 +01:00
multifundchannel.c dual-funding: introduce racy state 2021-03-30 13:44:11 +10:30
multifundchannel.h dual-funding: introduce racy state 2021-03-30 13:44:11 +10:30
multiwithdraw.c plugins/spender/multiwithdraw.c: Implement multiwithdraw command. 2020-09-09 20:36:08 +09:30
multiwithdraw.h plugins/spender/multiwithdraw.c: Implement multiwithdraw command. 2020-09-09 20:36:08 +09:30
openchannel.c dual-funding: introduce racy state 2021-03-30 13:44:11 +10:30
openchannel.h mfc-df: after sigs are collected, go sign the psbt 2020-11-23 12:41:05 -06:00