Vested Payout trait and implementation by Ank4n · Pull Request #11512 · paritytech/polkadot-sdk

Ank4n · 2026-03-26T06:42:25Z

Context

This trait is needed by pallet-staking-async to convert validator incentive holds into vesting schedules without coupling to a specific currency trait.

Will be required by #10844

Changes

VestedPayout<AccountId, Balance>: callers specify total amount and duration only. The implementor handles per-block computation, block-number provider, and currency mechanism internally. Unlike the existing VestedTransfer trait, this is agnostic to both the old Currency and new fungible traits.
pallet-vesting implements the trait. Zero duration is treated as a liquid transfer (no schedule).

sigurpol

LGTM - minus the rounding

kianenigma

LGTM modulo https://github.com/paritytech/polkadot-sdk/pull/11512/changes#r3001812872

…1513) # Overview Moves `EraPayout` trait to `sp-staking` and adds new traits for issuance, budget distribution, and reward calculation. Extracted changes from the main PR: #10844 Also see: #11512 ## Changes ### sp-staking - `EraPayout`: moved from `pallet-staking` and `pallet-staking-async` to `sp-staking`, eliminating the duplicate definitions. - `budget` module: stake independent traits: - `IssuanceCurve`: successor to `EraPayout`, computes issuance from total supply + elapsed time (no staking state dependency). - `BudgetRecipient` / `BudgetRecipientList`: register pot accounts for inflation distribution. Runtime wires as a tuple. - `BudgetKey`: bounded identifier for budget categories. - `StakerRewardCalculator`: trait for calculating validator incentive weights and staker reward splits. ### pallet-staking / pallet-staking-async - Removed local `EraPayout` definitions, re-exported from `sp-staking`. --------- Co-authored-by: Paolo La Camera <paolo@parity.io>

Squashed commit of the following: commit 1b3ad0b Author: Alexandru Vasile <alexandru.vasile@parity.io> Date: Wed Apr 1 10:55:36 2026 +0000 Adjust metrics Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> commit 61d37db Author: Alexandru Vasile <alexandru.vasile@parity.io> Date: Wed Apr 1 09:58:38 2026 +0000 metrics: Bump some other buckets Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> commit ab2a221 Author: Alexandru Vasile <alexandru.vasile@parity.io> Date: Wed Apr 1 09:57:11 2026 +0000 collator-proto/metrics: Fix blindspot in collation fetch latency metrics Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> commit 0d6888a Author: Ankan <10196091+Ank4n@users.noreply.github.com> Date: Wed Apr 1 00:18:21 2026 +0200 Implement Budget Distribution logic in pallet-dap (#11527) Stacked on #11513. Extracted from #10844. ## Overview Adds issuance drip and budget distribution to `pallet-dap`. DAP becomes a generic inflation engine: it mints new tokens on a configurable cadence and distributes them to registered budget recipients. No runtime behavior change: the existing chain configuration continues to mint via `EraPayout` trait in staking. DAP can be configured as a noop (cadence = 0 or empty budget). ## Changes ### pallet-dap - **Issuance drip**: `drip_issuance()` runs in `on_initialize`. Computes mint amount via `IssuanceCurve` (total issuance + elapsed time) and distributes to `BudgetRecipient`s per a governance-updatable `BudgetAllocation` map that must sum to 100%. - **Safety guards**: `MaxElapsedPerDrip` ceiling prevents over-minting if the chain stalls. First-block initialization skips drip to avoid minting for an unknown period. - **Buffer accounting**: buffer's share is deactivated on inflow (mint + `OnUnbalanced` slashes). - **`set_budget_allocation`** extrinsic (root-only): validates keys match registered recipients and percentages sum to exactly 100%. - **`BudgetRecipient` impl**: DAP exposes its buffer as a recipient (key: `"buffer"`). - **Migration**: `MigrateV1ToV2` seeds `LastIssuanceTimestamp` and `BudgetAllocation` for existing chains. Not wired up in WAH or other runtimes yet. ## TODOs - [x] Wire benchmark weights. ## In Later PR - Revert [these changes](9b388b2) --------- Co-authored-by: Paolo La Camera <paolo@parity.io> commit 8b53323 Author: Javier Viola <363911+pepoviola@users.noreply.github.com> Date: Tue Mar 31 21:26:58 2026 +0200 bump zombienet version to v0.4.9 (#11569) This version move the internal monitor to a diff log target, eliminating the current spam of tracing logs. Thx! --------- Co-authored-by: Bastian Köcher <git@kchr.de> commit 129a48a Author: Ankan <10196091+Ank4n@users.noreply.github.com> Date: Tue Mar 31 19:06:21 2026 +0200 [Staking] Add issuance and budget traits in prep for Budget Split (#11513) # Overview Moves `EraPayout` trait to `sp-staking` and adds new traits for issuance, budget distribution, and reward calculation. Extracted changes from the main PR: #10844 Also see: #11512 ## Changes ### sp-staking - `EraPayout`: moved from `pallet-staking` and `pallet-staking-async` to `sp-staking`, eliminating the duplicate definitions. - `budget` module: stake independent traits: - `IssuanceCurve`: successor to `EraPayout`, computes issuance from total supply + elapsed time (no staking state dependency). - `BudgetRecipient` / `BudgetRecipientList`: register pot accounts for inflation distribution. Runtime wires as a tuple. - `BudgetKey`: bounded identifier for budget categories. - `StakerRewardCalculator`: trait for calculating validator incentive weights and staker reward splits. ### pallet-staking / pallet-staking-async - Removed local `EraPayout` definitions, re-exported from `sp-staking`. --------- Co-authored-by: Paolo La Camera <paolo@parity.io> commit 10a517e Author: Dmitry Markin <dmitry@markin.tech> Date: Tue Mar 31 18:37:01 2026 +0300 Implement `bitswap_v1_get` RPC method (#11521) Implement `bitswap_v1_get` RPC method according to the [spec](https://github.com/paritytech/json-rpc-interface-spec/blob/main/src/api/bitswap_v1_get.md). --------- Co-authored-by: cmd[bot] <41898282+github-actions[bot]@users.noreply.github.com> Co-authored-by: Lukasz Rubaszewski <117115317+lrubasze@users.noreply.github.com> commit 2c99855 Author: Paolo La Camera <paolo@parity.io> Date: Tue Mar 31 16:42:03 2026 +0200 Fix can_inc_consumer check blocking session key rotation in pallet_session (#11573) Check consumer capacity only when we actually increment the consumer count (first-time local registration or external-to-local transition), not on key rotation. Notes: 1. setting keys via `stakingRcClient` didn't suffer of this issue since by-pass `do_set_keys()` 2. setting and purging keys via session pallet directly on RC is deprecated and will be removed soon - but better safe than sorry till then --------- Co-authored-by: cmd[bot] <41898282+github-actions[bot]@users.noreply.github.com> commit de0a245 Author: Luka Ciric <luka.ciric2106@gmail.com> Date: Tue Mar 31 16:39:48 2026 +0200 Raise offence queue eras bound limit (#11435) Fixes a bug where **OffenceQueueEras** bound (BondingDuration) was incorrect when `SlashDeferDuration=0`. The oldest reportable offence era formula allowed more eras than the bound could hold. --------- Co-authored-by: cmd[bot] <41898282+github-actions[bot]@users.noreply.github.com> Co-authored-by: Ankan <10196091+Ank4n@users.noreply.github.com> Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

…1513) # Overview Moves `EraPayout` trait to `sp-staking` and adds new traits for issuance, budget distribution, and reward calculation. Extracted changes from the main PR: #10844 Also see: #11512 ## Changes ### sp-staking - `EraPayout`: moved from `pallet-staking` and `pallet-staking-async` to `sp-staking`, eliminating the duplicate definitions. - `budget` module: stake independent traits: - `IssuanceCurve`: successor to `EraPayout`, computes issuance from total supply + elapsed time (no staking state dependency). - `BudgetRecipient` / `BudgetRecipientList`: register pot accounts for inflation distribution. Runtime wires as a tuple. - `BudgetKey`: bounded identifier for budget categories. - `StakerRewardCalculator`: trait for calculating validator incentive weights and staker reward splits. ### pallet-staking / pallet-staking-async - Removed local `EraPayout` definitions, re-exported from `sp-staking`. --------- Co-authored-by: Paolo La Camera <paolo@parity.io>

Ank4n added 2 commits March 26, 2026 07:36

vested payout trait

e81c1f5

test for vested payout

9f4b825

Ank4n requested a review from a team as a code owner March 26, 2026 06:42

sigurpol reviewed Mar 26, 2026

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Comment thread substrate/frame/vesting/src/lib.rs Outdated

sigurpol reviewed Mar 26, 2026

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Comment thread substrate/frame/support/src/traits/tokens/misc.rs

sigurpol reviewed Mar 26, 2026

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Comment thread substrate/frame/vesting/src/lib.rs

Ank4n mentioned this pull request Mar 27, 2026

[Staking] Add issuance and budget traits in prep for Budget Split #11513

Merged

Ank4n added 6 commits March 27, 2026 08:22

per block ceil and early return

dd3bd20

fmt

b1e8ad1

tests update for rounding

aae97f4

update rust doc

04f4a57

add prdoc

efe6e00

fmt

34d96f3

Ank4n added the T2-pallets This PR/Issue is related to a particular pallet. label Mar 27, 2026

sigurpol approved these changes Mar 27, 2026

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Ank4n mentioned this pull request Mar 27, 2026

Move era reward minting to DAP with era-based allocation in Staking #10844

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Ank4n requested review from andreitrand, cirko33 and kianenigma March 27, 2026 10:30

shawntabrizi reviewed Mar 27, 2026

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Comment thread substrate/frame/vesting/src/lib.rs

shawntabrizi approved these changes Mar 27, 2026

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Merge branch 'master' into ankn-vested-payout-trait

1ab3d6b

sigurpol approved these changes Mar 30, 2026

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kianenigma approved these changes Mar 30, 2026

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Ank4n added 2 commits March 30, 2026 11:32

add future start block to vested payouts

68a3ad0

fmt

6fbcfec

sigurpol approved these changes Mar 30, 2026

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Ank4n enabled auto-merge March 30, 2026 09:49

Ank4n added this pull request to the merge queue Mar 30, 2026

github-merge-queue Bot removed this pull request from the merge queue due to failed status checks Mar 30, 2026

Ank4n added a commit that referenced this pull request Mar 31, 2026

squashed: vested payout #11512

b0570da

Merge branch 'master' into ankn-vested-payout-trait

ef1fd02

Ank4n enabled auto-merge March 31, 2026 11:03

Ank4n mentioned this pull request Mar 31, 2026

[WIP] Staking with validator self stake incentive #11577

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Ank4n added this pull request to the merge queue Mar 31, 2026

Merged via the queue into master with commit 798fa79 Mar 31, 2026
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Ank4n deleted the ankn-vested-payout-trait branch March 31, 2026 13:08

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Vested Payout trait and implementation#11512

Vested Payout trait and implementation#11512
Ank4n merged 12 commits intomasterfrom
ankn-vested-payout-trait

Ank4n commented Mar 26, 2026

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Ank4n commented Mar 26, 2026

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