Change Details

Pull request description: Pull request https://github.com/bitcoin/bitcoin/pull/16248#discussion_r314035862 duplicated the body of this util function. The whole point of the util function is to be shared, so do that here as a fixup to #16248 https://github.com/bitcoin/bitcoin/pull/16620/commits/fa27c55b0593c769b6ad87de0b59df3816d73548 --- Backport of Core PR16620

Pull request description: Pull request https://github.com/bitcoin/bitcoin/pull/16248#discussion_r314035862 duplicated the body of this util function. The whole point of the util function is to be shared, so do that here as a fixup to #16248 https://github.com/bitcoin/bitcoin/pull/16620/commits/fa27c55b0593c769b6ad87de0b59df3816d73548 --- Backport of Core [[https://github.com/bitcoin/bitcoin/pull/16620 | PR16620]]

Pull request description: Pull request https://github.com/bitcoin/bitcoin/pull/16248#discussion_r314035862 duplicated the body of this util function. The whole point of the util function is to be shared, so do that here as a fixup to #16248 https://github.com/bitcoin/bitcoin/pull/16620/commits/fa27c55b0593c769b6ad87de0b59df3816d73548 --- Backport of Core [[https://github.com/bitcoin/bitcoin/pull/16620 | PR16620]]