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[PE-6997] Update track access token gate check to use token decimals#425

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Merged
Kyle-Shanks merged 1 commit into from
Sep 29, 2025
Merged

[PE-6997] Update track access token gate check to use token decimals #425

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29 changes: 29 additions & 0 deletions api/dbv1/access.go
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Original file line numberDiff line numberDiff line change
Expand Up@@ -3,6 +3,7 @@ package dbv1
import (
"context"
"encoding/json"
"math"

"golang.org/x/sync/errgroup"
)
Expand DownExpand Up@@ -202,6 +203,7 @@ func (q *Queries) GetBulkTrackAccess(
purchasedPlaylists := make(map[int32]bool)
prevPurchasedPlaylists := make(map[int32]bool)
userTokenBalances := make(map[string]int64)
coinDecimals := make(map[string]int32)

g, ctx := errgroup.WithContext(ctx)

Expand DownExpand Up@@ -298,6 +300,27 @@ func (q *Queries) GetBulkTrackAccess(
}
return rows.Err()
})

// Query for coin decimals
g.Go(func() error {
rows, err := q.db.Query(ctx, `
SELECT mint, decimals
FROM artist_coins
WHERE mint = ANY($1)
`, tokenGateTokenMintsSlice)
if err != nil {
return err
}
defer rows.Close()
for rows.Next() {
var mint string
var decimals int32
if err := rows.Scan(&mint, &decimals); err == nil {
coinDecimals[mint] = decimals
}
}
return rows.Err()
})
}

// Query for purchased playlists
Expand DownExpand Up@@ -398,6 +421,9 @@ func (q *Queries) GetBulkTrackAccess(
case track.StreamConditions.TokenGate != nil:
tokenMint := track.StreamConditions.TokenGate.TokenMint
requiredAmount := track.StreamConditions.TokenGate.TokenAmount
if decimals, exists := coinDecimals[tokenMint]; exists {
requiredAmount = requiredAmount * int64(math.Pow10(int(decimals)))
}
userBalance := userTokenBalances[tokenMint]
hasAccess = userBalance >= requiredAmount
case track.StreamConditions.UsdcPurchase != nil:
Expand DownExpand Up@@ -442,6 +468,9 @@ func (q *Queries) GetBulkTrackAccess(
case track.DownloadConditions.TokenGate != nil:
tokenMint := track.DownloadConditions.TokenGate.TokenMint
requiredAmount := track.DownloadConditions.TokenGate.TokenAmount
if decimals, exists := coinDecimals[tokenMint]; exists {
requiredAmount = requiredAmount * int64(math.Pow10(int(decimals)))
}
userBalance := userTokenBalances[tokenMint]
hasAccess = userBalance >= requiredAmount
case track.DownloadConditions.UsdcPurchase != nil:
Expand Down
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