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SIMD-0185: Vote Account v4 #185

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Merged
merged 15 commits into from
Jul 11, 2025
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SIMD-0185: Vote Account v4 #185

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9d8dedb
SIMD-0185: Vote Account v4
jstarry Oct 17, 2024
ddc80c2
remove tips, use bps
jstarry Nov 5, 2024
68a231b
simplify simd
jstarry Jan 24, 2025
2651ce6
Revert "simplify simd"
jstarry Feb 18, 2025
08d0088
Remove rewards pool bump seed
jstarry Feb 18, 2025
b66ad3a
add more implementation detail
jstarry Apr 16, 2025
a106539
clarify init account checks
jstarry Apr 16, 2025
0b2c2bd
clean up update comm ix section
jstarry Apr 16, 2025
de1e88f
feedback
jstarry May 5, 2025
09d8017
return error if not rent exempt
jstarry May 5, 2025
3b9bad3
rename block rewards to block revenue
jstarry May 6, 2025
b68e95e
cleanup and commission calculation note
jstarry May 23, 2025
07edc01
add alpenglow bls pubkey
jstarry Jul 8, 2025
34d0b02
use appropriate default collector values
jstarry Jul 8, 2025
cb99089
feedback
jstarry Jul 10, 2025
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20 changes: 15 additions & 5 deletions proposals/0185-vote-account-v4.md
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Expand Up @@ -11,7 +11,7 @@ feature: (fill in with feature tracking issues once accepted)

## Summary

Add a new version of vote account state which clears unused state to make
Add a new version of vote account state which removes unused state to make
room for new state information.

## Motivation
Expand Down Expand Up @@ -168,7 +168,7 @@ not rent exempt after the resize. This differs from the prior vote program
implementation which falls back to store vote state as v2 if the account would
not be rent exempt after its data length was increased.

### `InitializeAccount`
#### `InitializeAccount`

The required size for vote accounts previously set to `3762` bytes MUST remain
unchanged despite freeing up space with the removal of the prior voters field.
Expand Down Expand Up @@ -217,10 +217,20 @@ The builtin stake program reads vote account state when creating, delegating,
and deactivating stake accounts. The program MUST be updated to support v4 vote
accounts.

### Other
### Runtime

Commission rates will now be stored in basis points, but higher precision values
cannot be set until [SIMD-0249] is adopted. From the runtime's perspective,
commission rates will remain limited to multiples of 100 basis points,
equivalent to integer percentages. Therefore, commission calculations
should continue to use integer percentage values for now.

The runtime stakes cache and epoch stakes stored in snapshots MUST also be
updated to support initialized v4 vote accounts.

The runtime stakes cache and epoch stakes stored in snapshots MUST also be updated
to support initialized v4 vote accounts.
[SIMD-0249]: https://github.com/solana-foundation/solana-improvement-documents/pull/249

### Other

The tower serialization format MUST remain unchanged and continue serializing tower
vote state as vote state v2.
Expand Down
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