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fix(#2460): fix calculating live voting power #2579

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Dec 27, 2024
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fix(#2460): fix calculating live voting power #2579

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2 changes: 1 addition & 1 deletion CHANGELOG.md
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Original file line number Diff line number Diff line change
Expand Up @@ -16,7 +16,7 @@ changes.

### Fixed

-
- Fix calculating DRep live voting power [Issue 2460](https://github.com/IntersectMBO/govtool/issues/2460)

### Changed

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27 changes: 21 additions & 6 deletions govtool/backend/sql/get-voting-power.sql
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Original file line number Diff line number Diff line change
@@ -1,6 +1,21 @@
select coalesce(sum(uv.value), 0) as amount
from utxo_view uv
join delegation_vote dv on uv.stake_address_id = dv.addr_id
join drep_hash dh on dv.drep_hash_id = dh.id
where dh.raw = decode(?,'hex')
and dv.cert_index != 0
WITH LatestDelegationVote AS (
SELECT
addr_id,
MAX(id) AS latest_vote_id
FROM
delegation_vote
GROUP BY
addr_id
)
SELECT
SUM(uv.value) AS total_value
FROM
utxo_view uv
JOIN
stake_address sa ON sa.id = uv.stake_address_id
JOIN
LatestDelegationVote ldv ON uv.stake_address_id = ldv.addr_id
JOIN
delegation_vote dv ON dv.id = ldv.latest_vote_id
WHERE
dv.drep_hash_id = (SELECT id FROM drep_hash WHERE raw = decode(?,'hex'))
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