`ninja all check-all`
```
$ ./src/bitcoin-cli estimatefee 6
error code: -1
error message:
estimatefee
Estimates the approximate fee per kilobyte needed for a transaction
Result:
n (numeric) estimated fee-per-kilobyte
Examples:
> bitcoin-cli estimatefee
```
`../test/lint/check-rpc-mappings.py ..`