We use libsecp256k1 to convert signatures to DER; we were creating a
temporary one, but we really should be handing the one we have in dstate
through. This does that, everywhere.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
We don't want to re-create them internally, ever.
The test-cli tools are patched to generate them all the time, but
they're not performance critical.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This checks that the protobuf is the right form, also handles uncompressed
keys (though you shouldn't be using those any more, should you?)
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Rusty Russell