upgradewallet (0.21.0 RPC)

upgradewallet ( version )

Upgrade the wallet. Upgrades to the latest version if no version number is specified.
New keys may be generated and a new wallet backup will need to be made.
Arguments:
1. version    (numeric, optional, default=169900) The version number to upgrade to. Default is the latest wallet version.

Result:
{                            (json object)
  "wallet_name" : "str",     (string) Name of wallet this operation was performed on
  "previous_version" : n,    (numeric) Version of wallet before this operation
  "current_version" : n,     (numeric) Version of wallet after this operation
  "result" : "str",          (string, optional) Description of result, if no error
  "error" : "str"            (string, optional) Error message (if there is one)
}

Examples:
> bitcoin-cli upgradewallet 169900
> curl --user myusername --data-binary '{"jsonrpc": "1.0", "id": "curltest", "method": "upgradewallet", "params": [169900]}' -H 'content-type: text/plain;' http://127.0.0.1:8332/