Cannot open channel from LDK about ldk-sample HOT 4 CLOSED

Oops, yea, the sample was being lazy about calculating the change output, but we also don't even need to calculate it anymore since LDK started doing that a few versions ago. Should be fixed in #32.

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Yup, looks like fee_rate(sat/vB) was added in 0.21 whereas feeRate (BTC/kvB) was the only option earlier.

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Right, if you only support bitcoind 0.21 (and higher) that works for me as well, I'll retry with that version.

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I updated to bitcoind 0.21.1 which fixed the previous panic, but now I'm seeing a different one:

> openchannel 03f1730317981052d10403126e197e421875711898411802e47067401eecd4fab3@localhost:9735 250000
EVENT: initiated channel with peer 03f1730317981052d10403126e197e421875711898411802e47067401eecd4fab3. 
> thread '<unnamed>' panicked at 'assertion failed: change_output_position == 0 || change_output_position == 1', src/main.rs:133:13
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
Aborted (core dumped)

Unfortunately I don't see the tx in the logs, but I suspect there's simply no change output (is that correctly handled on your side)?

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