All tx rejected can not approve

Question

m2: create txfilter filter1 '{}' 'function filtertransaction(){return "All transactions rejected!";}'
{"method":"create","params":["txfilter","filter1",{},"function filtertransaction(){return \"All transactions rejected!\";}"],"id":"93805889-1547536629","chain_name":"m2"}

1f2737ec1c2a840531cd7c3839269b2425633f050b8e547b7da8196b24e826f2

m2: approvefrom 1SzKXtqDCyeFYzzL6BaT7ELzUVQYCYefw8rm1F filter1 true
{"method":"approvefrom","params":["1SzKXtqDCyeFYzzL6BaT7ELzUVQYCYefw8rm1F","filter1",true],"id":"37963150-1547536807","chain_name":"m2"}

error code: -26
error message:
Error: The transaction was rejected: 64: The transaction did not pass filter filter1: All transactions rejected!

m2: send 1YzfFyGqd1nWbB8cLoj44ENS6r9TEn9je8U6zJ 0.001
{"method":"send","params":["1YzfFyGqd1nWbB8cLoj44ENS6r9TEn9je8U6zJ",0.001],"id":"92552506-1547536751","chain_name":"m2"}

af65dd989b2a594cdf2a8e983342ad1574b8c22c5477b53098ea3df16a40ee41

Answer 1

Yes, you cannot approve a filter which would reject the transaction that performs the approval. This provides a basic sanity check on filter approvals.

Comments

Thanks,but how to use this javascript in muiltichain.
https://github.com/MultiChain/smart-filter-examples/blob/master/transaction-filters/reject-all-transactions.js

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It's not actually possible to approve this filter, as explained in the comment at the top of that code.