Function: claimRepurchasedTokens()

This function is used to claim the repurchased tokens by grantee.

Branches and code coverage

Intended branches

• Transfer the payment balance to the grantee.

  Test coverage

• Update tokensRepurchasedWithdrawn.

  Test coverage

Negative behavior

• Revert if the caller is not the grantee.

  Negative test

• Revert if this function is reentered.

  Negative test

• Revert if the payment balance is zero.

  Negative test