When user tries to prove claim, it needs to provide as witness all the previously claimed transfers. Before there was no way of fetching that since it wasn't exposed in a statement.
The action extension of transfers was calculated incorrectly.
This PR requires the change to the inner account VK, and forced state root update in outer account.
Fixes 2 issues:
This PR requires the change to the inner account VK, and forced state root update in outer account.