b75f4c89ec RPC: Return external_signer in getwalletinfo (Kristaps Kaupe)
Pull request description:
Add `external_signer` to the result object of `getwalletinfo` RPC which indicates whether `WALLET_FLAG_EXTERNAL_SIGNER` flag is set for the wallet.
ACKs for top commit:
S3RK:
utACK b75f4c89ec
achow101:
ACK b75f4c89ec
prayank23:
utACK b75f4c89ec
brunoerg:
utACK b75f4c89ec
Tree-SHA512: 066ccb97541fd4dc3d9728834645db714a3c8c93ccf29142811af4d79cfb9440a97bbb6c845434a909bc6e1775ef3737fcbb368c1f0582bc63973f6deb17a45f