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Extensible transactions (and tips) (#3102)

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* Make extrinsics extensible.

Also Remove old extrinsic types.

* Rest of mockup. Add tips.

* Fix some build issues

* Runtiem builds :)

* Substrate builds.

* Fix a doc test

* Compact encoding

* Extract out the era logic into an extension

* Weight Check signed extension. (#3115)

* Weight signed extension.

* Revert a bit + test for check era.

* Update Cargo.toml

* Update node/cli/src/factory_impl.rs

* Update node/executor/src/lib.rs

* Update node/executor/src/lib.rs

* Don't use len for weight - use data.

* Operational Transaction; second attempt (#3138)

* working poc added.

* some fixes.

* Update doc.

* Fix all tests + final logic.

* more refactoring.

* nits.

* System block limit in bytes.

* Silent the storage macro warnings.

* More logic more tests.

* Fix import.

* Refactor names.

* Fix build.

* Update srml/balances/src/lib.rs

* Final refactor.

* Bump transaction version

* Fix weight mult test.

* Fix more tests and improve doc.

* Bump.

* Make some tests work again.

* Fix subkey.

* Remove todos + bump.

* Ignore expensive test.

* Bump.
This commit is contained in:
Gavin Wood
2019-07-23 01:06:49 +08:00
committed by Kian Peymani
parent 4f5654b67d
commit 78bc5edc14
55 changed files with 1965 additions and 1646 deletions
Download Patch File Download Diff File Expand all files Collapse all files
substrate/node/runtime/src/impls.rs
+34 -20
View File
@@ -17,10 +17,11 @@
//! Some configurable implementations as associated type for the substrate runtime.
use node_primitives::Balance;
use runtime_primitives::weights::{Weight, WeightMultiplier, MAX_TRANSACTIONS_WEIGHT, IDEAL_TRANSACTIONS_WEIGHT};
use runtime_primitives::weights::{Weight, WeightMultiplier};
use runtime_primitives::traits::{Convert, Saturating};
use runtime_primitives::Fixed64;
use crate::Balances;
use support::traits::Get;
use crate::{Balances, MaximumBlockWeight};
/// Struct that handles the conversion of Balance -> `u64`. This is used for staking's election
/// calculation.
@@ -53,14 +54,19 @@ pub struct WeightMultiplierUpdateHandler;
impl Convert<(Weight, WeightMultiplier), WeightMultiplier> for WeightMultiplierUpdateHandler {
fn convert(previous_state: (Weight, WeightMultiplier)) -> WeightMultiplier {
let (block_weight, multiplier) = previous_state;
let ideal = IDEAL_TRANSACTIONS_WEIGHT as u128;
// CRITICAL NOTE: what the system module interprets as maximum block weight, and a portion
// of it (1/4 usually) as ideal weight demonstrate the gap in block weights for operational
// transactions. What this weight multiplier interprets as the maximum, is actually the
// maximum that is available to normal transactions. Hence,
let max_weight = <MaximumBlockWeight as Get<u32>>::get() / 4;
let ideal_weight = (max_weight / 4) as u128;
let block_weight = block_weight as u128;
// determines if the first_term is positive
let positive = block_weight >= ideal;
let diff_abs = block_weight.max(ideal) - block_weight.min(ideal);
let positive = block_weight >= ideal_weight;
let diff_abs = block_weight.max(ideal_weight) - block_weight.min(ideal_weight);
// diff is within u32, safe.
let diff = Fixed64::from_rational(diff_abs as i64, MAX_TRANSACTIONS_WEIGHT as u64);
let diff = Fixed64::from_rational(diff_abs as i64, max_weight as u64);
let diff_squared = diff.saturating_mul(diff);
// 0.00004 = 4/100_000 = 40_000/10^9
@@ -94,9 +100,17 @@ impl Convert<(Weight, WeightMultiplier), WeightMultiplier> for WeightMultiplierU
#[cfg(test)]
mod tests {
use super::*;
use runtime_primitives::weights::{MAX_TRANSACTIONS_WEIGHT, IDEAL_TRANSACTIONS_WEIGHT, Weight};
use runtime_primitives::weights::Weight;
use runtime_primitives::Perbill;
fn max() -> Weight {
<MaximumBlockWeight as Get<Weight>>::get()
}
fn ideal() -> Weight {
max() / 4 / 4
}
// poc reference implementation.
#[allow(dead_code)]
fn weight_multiplier_update(block_weight: Weight) -> Perbill {
@@ -104,9 +118,9 @@ mod tests {
let v: f32 = 0.00004;
// maximum tx weight
let m = MAX_TRANSACTIONS_WEIGHT as f32;
let m = max() as f32;
// Ideal saturation in terms of weight
let ss = IDEAL_TRANSACTIONS_WEIGHT as f32;
let ss = ideal() as f32;
// Current saturation in terms of weight
let s = block_weight;
@@ -124,22 +138,22 @@ mod tests {
fn stateless_weight_mul() {
// Light block. Fee is reduced a little.
assert_eq!(
WeightMultiplierUpdateHandler::convert((1024, WeightMultiplier::default())),
fm(-9990)
WeightMultiplierUpdateHandler::convert((ideal() / 4, WeightMultiplier::default())),
fm(-7500)
);
// a bit more. Fee is decreased less, meaning that the fee increases as the block grows.
assert_eq!(
WeightMultiplierUpdateHandler::convert((1024 * 4, WeightMultiplier::default())),
fm(-9960)
WeightMultiplierUpdateHandler::convert((ideal() / 2, WeightMultiplier::default())),
fm(-5000)
);
// ideal. Original fee.
// ideal. Original fee. No changes.
assert_eq!(
WeightMultiplierUpdateHandler::convert((IDEAL_TRANSACTIONS_WEIGHT as u32, WeightMultiplier::default())),
WeightMultiplierUpdateHandler::convert((ideal() as u32, WeightMultiplier::default())),
fm(0)
);
// // More than ideal. Fee is increased.
assert_eq!(
WeightMultiplierUpdateHandler::convert(((IDEAL_TRANSACTIONS_WEIGHT * 2) as u32, WeightMultiplier::default())),
WeightMultiplierUpdateHandler::convert(((ideal() * 2) as u32, WeightMultiplier::default())),
fm(10000)
);
}
@@ -147,20 +161,20 @@ mod tests {
#[test]
fn stateful_weight_mul_grow_to_infinity() {
assert_eq!(
WeightMultiplierUpdateHandler::convert((IDEAL_TRANSACTIONS_WEIGHT * 2, WeightMultiplier::default())),
WeightMultiplierUpdateHandler::convert((ideal() * 2, WeightMultiplier::default())),
fm(10000)
);
assert_eq!(
WeightMultiplierUpdateHandler::convert((IDEAL_TRANSACTIONS_WEIGHT * 2, fm(10000))),
WeightMultiplierUpdateHandler::convert((ideal() * 2, fm(10000))),
fm(20000)
);
assert_eq!(
WeightMultiplierUpdateHandler::convert((IDEAL_TRANSACTIONS_WEIGHT * 2, fm(20000))),
WeightMultiplierUpdateHandler::convert((ideal() * 2, fm(20000))),
fm(30000)
);
// ...
assert_eq!(
WeightMultiplierUpdateHandler::convert((IDEAL_TRANSACTIONS_WEIGHT * 2, fm(1_000_000_000))),
WeightMultiplierUpdateHandler::convert((ideal() * 2, fm(1_000_000_000))),
fm(1_000_000_000 + 10000)
);
}