Non-Interactive Staking (#12610)

* Improve naming.

* More improvements to naming

* Fungible counterpart

* Shared pot instead of reserve

* Transferable receipts

* Better naming

* Use u128 for counterpart

* Partial thawing

* Docs

* Remove AdminOrigin

* Integrate into Kitchen Sink

* Thaw throttling

* Remove todo

* Docs

* Fix benchmarks

* Building

* Tests work

* New benchmarks

* Benchmarking tests

* Test new defensive_saturating_* functions

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* fmt

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Formatting

* Update frame/nis/src/lib.rs

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

* Apply suggestions from code review

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

* Events added

* Fix kitchensink

* Update frame/nis/src/lib.rs

Co-authored-by: Xiliang Chen <xlchen1291@gmail.com>

* Review niggles

* Remove genesis build requirements

* Grumbles

* Fixes

* Fixes

* Fixes

* Update frame/nis/src/lib.rs

Co-authored-by: Kian Paimani <5588131+kianenigma@users.noreply.github.com>

* Update primitives/runtime/src/traits.rs

Co-authored-by: Kian Paimani <5588131+kianenigma@users.noreply.github.com>

* Formatting

* Fixes

* Fix node genesis config

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Fix node chain specs

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Use free asset ID as counterpart

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Account for rounding errors in fund_deficit bench

Relaxes the check for the NIS account balance in the fund_deficit bench
from equality from to checking for 99.999% equality. The exact deviation
for the kitchensink runtime config is 1.24e-10 percent but could vary if
the config is changed.

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* clippy

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* fmt

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Fix

* Rename

* Fixes

* Fixes

* Formatting

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
Co-authored-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
Co-authored-by: Xiliang Chen <xlchen1291@gmail.com>
Co-authored-by: Kian Paimani <5588131+kianenigma@users.noreply.github.com>

substrate/bin/node/runtime/Cargo.toml

@@ -68,7 +68,7 @@ pallet-election-provider-multi-phase = { version = "4.0.0-dev", default-features
 pallet-election-provider-support-benchmarking = { version = "4.0.0-dev", default-features = false, path = "../../../frame/election-provider-support/benchmarking", optional = true }
 pallet-elections-phragmen = { version = "5.0.0-dev", default-features = false, path = "../../../frame/elections-phragmen" }
 pallet-fast-unstake = { version = "4.0.0-dev", default-features = false, path = "../../../frame/fast-unstake" }
-pallet-gilt = { version = "4.0.0-dev", default-features = false, path = "../../../frame/gilt" }
+pallet-nis = { version = "4.0.0-dev", default-features = false, path = "../../../frame/nis" }
 pallet-grandpa = { version = "4.0.0-dev", default-features = false, path = "../../../frame/grandpa" }
 pallet-im-online = { version = "4.0.0-dev", default-features = false, path = "../../../frame/im-online" }
 pallet-indices = { version = "4.0.0-dev", default-features = false, path = "../../../frame/indices" }
@@ -144,7 +144,7 @@ std = [
 	"pallet-elections-phragmen/std",
 	"pallet-fast-unstake/std",
 	"frame-executive/std",
-	"pallet-gilt/std",
+	"pallet-nis/std",
 	"pallet-grandpa/std",
 	"pallet-im-online/std",
 	"pallet-indices/std",
@@ -223,7 +223,7 @@ runtime-benchmarks = [
 	"pallet-election-provider-support-benchmarking/runtime-benchmarks",
 	"pallet-elections-phragmen/runtime-benchmarks",
 	"pallet-fast-unstake/runtime-benchmarks",
-	"pallet-gilt/runtime-benchmarks",
+	"pallet-nis/runtime-benchmarks",
 	"pallet-grandpa/runtime-benchmarks",
 	"pallet-identity/runtime-benchmarks",
 	"pallet-im-online/runtime-benchmarks",
@@ -276,7 +276,7 @@ try-runtime = [
 	"pallet-election-provider-multi-phase/try-runtime",
 	"pallet-elections-phragmen/try-runtime",
 	"pallet-fast-unstake/try-runtime",
-	"pallet-gilt/try-runtime",
+	"pallet-nis/try-runtime",
 	"pallet-grandpa/try-runtime",
 	"pallet-im-online/try-runtime",
 	"pallet-indices/try-runtime",