Salary pallet (#13378)

* More drafting

* Paymaster pallet

* Fix build

* More tests

* Rename

* Rename

* Renaming

* Revert old changes

* Multi-phase payouts to avoid bank-runs

* Tests

* Tests

* Allow payment to be targeted elsewhere

* Proper ssync payment failure handling

* Test for repayment

* Docs

* Impl RankedMembers for RankedCollective

* Implement Pay for Pot (i.e. basic account).

* Benchmarks

* Weights

* Introduce Salary benchmark into node

* Fix warning

* ".git/.scripts/commands/bench/bench.sh" pallet dev pallet_salary

* Update primitives/arithmetic/src/traits.rs

Co-authored-by: Jegor Sidorenko <5252494+jsidorenko@users.noreply.github.com>

* Update frame/salary/src/lib.rs

Co-authored-by: Jegor Sidorenko <5252494+jsidorenko@users.noreply.github.com>

* Update lib.rs

* Update frame/salary/src/lib.rs

Co-authored-by: joe petrowski <25483142+joepetrowski@users.noreply.github.com>

* Docs

* Update frame/salary/src/lib.rs

Co-authored-by: joe petrowski <25483142+joepetrowski@users.noreply.github.com>

* Update frame/salary/src/lib.rs

Co-authored-by: joe petrowski <25483142+joepetrowski@users.noreply.github.com>

* Fix

* Fixes

* Fixes

* Move some salary traits stuff to a shared location

* Fix

* Update frame/salary/src/lib.rs

Co-authored-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Update frame/salary/src/lib.rs

Co-authored-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Mul floor

* Fix warnings

* Fix test

* Docs

---------

Co-authored-by: command-bot <>
Co-authored-by: Jegor Sidorenko <5252494+jsidorenko@users.noreply.github.com>
Co-authored-by: joe petrowski <25483142+joepetrowski@users.noreply.github.com>
Co-authored-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>