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Merged
netqo merged 1 commit into from
Jun 24, 2026
Merged

feat(data): migrate Room schemas instead of dropping the database #59

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7 changes: 7 additions & 0 deletions CHANGELOG.md
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Expand Up @@ -240,6 +240,13 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0

### Changed

- Room now upgrades with real schema migrations instead of dropping the
database. `StackDatabase` exports its schema (`app/schemas/`) and the
builder runs `MIGRATION_4_5` (adds `game_round`) plus
`fallbackToDestructiveMigrationOnDowngrade`, so the offline cache (news,
wallet, notifications) survives app updates instead of being wiped on a
version bump. Covered by the instrumented `StackDatabaseMigrationTest`
(verifies the news cache survives 4 -> 5).
- `ProvablyFairCore.cpp` no longer depends on OpenSSL. The HMAC-SHA256 helper
delegates to the self-contained implementation in `Sha256.h`.
- JNI export symbols renamed from `com.casino.tpo.engine` to
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14 changes: 14 additions & 0 deletions app/build.gradle.kts
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Expand Up @@ -79,6 +79,19 @@ android {
compose = true
buildConfig = true
}

// Expose the exported Room schemas to the migration tests so
// MigrationTestHelper can build the old database versions.
sourceSets {
getByName("androidTest").assets.srcDir(files("$projectDir/schemas"))
}
}

// Room exports a JSON schema per version into this directory (see
// exportSchema = true on StackDatabase); the migrations and their tests
// are validated against it.
ksp {
arg("room.schemaLocation", "$projectDir/schemas")
}

ktlint {
Expand Down Expand Up @@ -162,6 +175,7 @@ dependencies {
testImplementation(libs.mockk)
testImplementation(libs.turbine)
testImplementation(libs.androidx.room.testing)
androidTestImplementation(libs.androidx.room.testing)
androidTestImplementation(libs.androidx.junit)
androidTestImplementation(libs.androidx.espresso.core)
androidTestImplementation(platform(libs.androidx.compose.bom))
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273 changes: 273 additions & 0 deletions app/schemas/com.plainstudio.stackcasino.data.local.StackDatabase/4.json
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@@ -0,0 +1,273 @@
{
"formatVersion": 1,
"database": {
"version": 4,
"identityHash": "00000000000000000000000000000004",
"entities": [
{
"tableName": "app_settings",
"createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER NOT NULL, `pushEnabled` INTEGER NOT NULL, `depositsEnabled` INTEGER NOT NULL, `withdrawalsEnabled` INTEGER NOT NULL, `securityEnabled` INTEGER NOT NULL, `hideBalanceOnLaunch` INTEGER NOT NULL, PRIMARY KEY(`id`))",
"fields": [
{
"fieldPath": "id",
"columnName": "id",
"affinity": "INTEGER",
"notNull": true
},
{
"fieldPath": "pushEnabled",
"columnName": "pushEnabled",
"affinity": "INTEGER",
"notNull": true
},
{
"fieldPath": "depositsEnabled",
"columnName": "depositsEnabled",
"affinity": "INTEGER",
"notNull": true
},
{
"fieldPath": "withdrawalsEnabled",
"columnName": "withdrawalsEnabled",
"affinity": "INTEGER",
"notNull": true
},
{
"fieldPath": "securityEnabled",
"columnName": "securityEnabled",
"affinity": "INTEGER",
"notNull": true
},
{
"fieldPath": "hideBalanceOnLaunch",
"columnName": "hideBalanceOnLaunch",
"affinity": "INTEGER",
"notNull": true
}
],
"primaryKey": {
"autoGenerate": false,
"columnNames": [
"id"
]
}
},
{
"tableName": "notification",
"createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` TEXT NOT NULL, `category` TEXT NOT NULL, `title` TEXT NOT NULL, `body` TEXT NOT NULL, `createdAt` INTEGER NOT NULL, `isRead` INTEGER NOT NULL, PRIMARY KEY(`id`))",
"fields": [
{
"fieldPath": "id",
"columnName": "id",
"affinity": "TEXT",
"notNull": true
},
{
"fieldPath": "category",
"columnName": "category",
"affinity": "TEXT",
"notNull": true
},
{
"fieldPath": "title",
"columnName": "title",
"affinity": "TEXT",
"notNull": true
},
{
"fieldPath": "body",
"columnName": "body",
"affinity": "TEXT",
"notNull": true
},
{
"fieldPath": "createdAt",
"columnName": "createdAt",
"affinity": "INTEGER",
"notNull": true
},
{
"fieldPath": "isRead",
"columnName": "isRead",
"affinity": "INTEGER",
"notNull": true
}
],
"primaryKey": {
"autoGenerate": false,
"columnNames": [
"id"
]
}
},
{
"tableName": "news_article",
"createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` TEXT NOT NULL, `title` TEXT NOT NULL, `source` TEXT NOT NULL, `description` TEXT, `url` TEXT NOT NULL, `imageUrl` TEXT, `publishedAt` TEXT NOT NULL, `cachedAt` INTEGER NOT NULL, PRIMARY KEY(`id`))",
"fields": [
{
"fieldPath": "id",
"columnName": "id",
"affinity": "TEXT",
"notNull": true
},
{
"fieldPath": "title",
"columnName": "title",
"affinity": "TEXT",
"notNull": true
},
{
"fieldPath": "source",
"columnName": "source",
"affinity": "TEXT",
"notNull": true
},
{
"fieldPath": "description",
"columnName": "description",
"affinity": "TEXT"
},
{
"fieldPath": "url",
"columnName": "url",
"affinity": "TEXT",
"notNull": true
},
{
"fieldPath": "imageUrl",
"columnName": "imageUrl",
"affinity": "TEXT"
},
{
"fieldPath": "publishedAt",
"columnName": "publishedAt",
"affinity": "TEXT",
"notNull": true
},
{
"fieldPath": "cachedAt",
"columnName": "cachedAt",
"affinity": "INTEGER",
"notNull": true
}
],
"primaryKey": {
"autoGenerate": false,
"columnNames": [
"id"
]
}
},
{
"tableName": "wallet",
"createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER NOT NULL, `availableBalance` REAL NOT NULL, `lockedBalance` REAL NOT NULL, `polygonAddress` TEXT NOT NULL, `currencyCode` TEXT NOT NULL, `updatedAt` INTEGER NOT NULL, PRIMARY KEY(`id`))",
"fields": [
{
"fieldPath": "id",
"columnName": "id",
"affinity": "INTEGER",
"notNull": true
},
{
"fieldPath": "availableBalance",
"columnName": "availableBalance",
"affinity": "REAL",
"notNull": true
},
{
"fieldPath": "lockedBalance",
"columnName": "lockedBalance",
"affinity": "REAL",
"notNull": true
},
{
"fieldPath": "polygonAddress",
"columnName": "polygonAddress",
"affinity": "TEXT",
"notNull": true
},
{
"fieldPath": "currencyCode",
"columnName": "currencyCode",
"affinity": "TEXT",
"notNull": true
},
{
"fieldPath": "updatedAt",
"columnName": "updatedAt",
"affinity": "INTEGER",
"notNull": true
}
],
"primaryKey": {
"autoGenerate": false,
"columnNames": [
"id"
]
}
},
{
"tableName": "wallet_transaction",
"createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` TEXT NOT NULL, `type` TEXT NOT NULL, `status` TEXT NOT NULL, `amount` REAL NOT NULL, `currency` TEXT NOT NULL, `externalReference` TEXT, `destinationAddress` TEXT, `timestamp` INTEGER NOT NULL, PRIMARY KEY(`id`))",
"fields": [
{
"fieldPath": "id",
"columnName": "id",
"affinity": "TEXT",
"notNull": true
},
{
"fieldPath": "type",
"columnName": "type",
"affinity": "TEXT",
"notNull": true
},
{
"fieldPath": "status",
"columnName": "status",
"affinity": "TEXT",
"notNull": true
},
{
"fieldPath": "amount",
"columnName": "amount",
"affinity": "REAL",
"notNull": true
},
{
"fieldPath": "currency",
"columnName": "currency",
"affinity": "TEXT",
"notNull": true
},
{
"fieldPath": "externalReference",
"columnName": "externalReference",
"affinity": "TEXT"
},
{
"fieldPath": "destinationAddress",
"columnName": "destinationAddress",
"affinity": "TEXT"
},
{
"fieldPath": "timestamp",
"columnName": "timestamp",
"affinity": "INTEGER",
"notNull": true
}
],
"primaryKey": {
"autoGenerate": false,
"columnNames": [
"id"
]
}
}
],
"setupQueries": [
"CREATE TABLE IF NOT EXISTS room_master_table (id INTEGER PRIMARY KEY,identity_hash TEXT)",
"INSERT OR REPLACE INTO room_master_table (id,identity_hash) VALUES(42, '00000000000000000000000000000004')"
]
}
}
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