According to the doc/external-signer.md:
Create a wallet, this automatically imports the public keys
Instead I'm getting an error:
$ src/bitcoin-cli -rpcwallet=hww getnewaddress
error code: -4
error message:
Error: This wallet has no available keys
$ src/bitcoin-cli -rpcwallet=hww getwalletinfo
{
"walletname": "hww",
"walletversion": 169900,
"format": "sqlite",
"balance": 0.00000000,
"unconfirmed_balance": 0.00000000,
"immature_balance": 0.00000000,
"txcount": 0,
"keypoololdest": 9223372036854775807,
"keypoolsize": 0,
"keypoolsize_hd_internal": 0,
"paytxfee": 0.00000000,
"private_keys_enabled": false,
"avoid_reuse": true,
"scanning": false,
"descriptors": true
}