pezkuwichain/pezkuwi-wallet-android
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pezkuwi-wallet-android/common/build.gradle
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SatoshiQaziMuhammed 781b713257 Config keeps working when GitHub is unreachable: mirrors and a bundled chain list (#28) 
* feat(network): fetch config from jsDelivr when raw.githubusercontent.com fails

Every config file the app reads -- chains, assets, DApps, XCM, banners, token
icons -- comes from raw.githubusercontent.com with no other source, so when that
host cannot be reached a fresh install has no chains at all.

ConfigMirrorInterceptor retries the same file on cdn.jsdelivr.net and then
fastly.jsdelivr.net when the primary fails to connect or answers 403, 429, 451
or 5xx. A 404 is an answer and is returned as is. A host that failed is skipped
for ten minutes so later requests do not each wait for its timeout. Mirror
requests revalidate, so a mirror's long max-age cannot pin a copy in the HTTP
cache after the primary is back.

The shared OkHttp client and Coil's image client both carry it.

* feat(runtime): start a first install from the chain list the APK was built with

A first install has no chains until chains.json is fetched, and the fetch
retries forever: with GitHub and its mirrors unreachable the wallet stays
empty.

The runtime module now bundles the live chains.json at build time
(bundleChainsConfig, run before preBuild, falling back to jsDelivr and
refusing anything that is not a non-empty JSON array). When the local
database is empty, ChainSyncService tries the network once and, if that
fails, applies the bundled list so the wallet opens; the fetched list then
replaces it through the usual diff as soon as it arrives.

* feat(dapps): show the bundled DApps catalog until one can be fetched

The DApps catalog lived only in memory and every read waited on first(), so
with the catalog URL unreachable the DApps screen waited forever.

feature-dapp-impl now bundles dapps_full.json at build time. On the first
sync the repository tries the network once and, if that fails, publishes the
bundled catalog so every read returns; the fetched catalog replaces it as
soon as it arrives.

The download task moves to scripts/bundled-config.gradle and serves both
the chain list and the DApps catalog. runtime and feature-dapp-impl unit
tests return defaults for android.util.Log, which the fallback calls.

* feat(network): resolve names over DNS-over-HTTPS first, system DNS as fallback

A network that answers plain DNS with a wrong address decides where the app
connects. The shared OkHttp client and Coil's client now resolve through
EncryptedFirstDns: Google, Cloudflare and Quad9 over HTTPS, each reached by
IP, then the system resolver if all of them fail, so no network is worse off.

- A resolver whose request failed is skipped for ten minutes, so a network
  that blocks DoH pays the four-second timeout once. NXDOMAIN and SERVFAIL do
  not count as failures.
- IPv4 addresses are returned first: DoH answers IPv6 whether or not the
  network has it, and OkHttp tries addresses in order.
- IP literals and localhost never leave the device.

WebSocket RPC (nv-websocket) still resolves through the system.

* feat(config): verify signed config metadata, TUF style

The rules the app will apply to config it fetches, not wired yet:

- A root, signed by a threshold of root keys, names the keys that may sign
  the targets list and how many must. The APK carries the first root.
- A new root is accepted one version at a time, signed by a threshold of the
  old root's keys and of its own, so keys can be replaced without a release
  and a lost targets key can be revoked.
- The targets list gives the sha256 of each config file; it cannot go back a
  version, cannot jump more than 10,000 at once, and is refused once it or
  its root has expired.
- Ed25519 over the payload bytes exactly as published (BouncyCastle, already
  a dependency); a key signing twice counts once; a key must match its id.

* fix(config): parse metadata with the Gson API the app resolves

JsonParser.parseString is not in the Gson version on the app's classpath;
the instance parse method is, and behaves the same here.

* test(runtime): add the Log.e overload with a throwable to the test shim

The first-install fallback logs the failed fetch with its exception, and the
shim only had the two-argument form, so the test hit NoSuchMethodError.

* feat(config): refuse config files the signed list does not give

SignedConfigInterceptor checks every JSON file from pezkuwi-wallet-utils
against signed/targets.json, whichever host the mirrors got it from. A
file the list does not give, or one without a verified list behind it,
comes back as a 502, so callers keep the stored chains and bundled
lists as they do when the source is unreachable. Newer roots are
followed from signed/root.N.json; the targets version and the latest
time seen are stored, so an older list cannot be replayed.

Root keys may now be sr25519 wallet accounts: they sign through the
wallet's message signing, which wraps the bytes in <Bytes>, and the
SDK's schnorrkel verifies them. The APK carries root 1 as an asset,
trusted as the APK is.
2026-11-01 10:10:50 +04:00

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Groovy
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apply plugin: 'kotlin-parcelize'
android {
defaultConfig {
buildConfigField "String", "WEBSITE_URL", "\"https://pezkuwichain.io\""
buildConfigField "String", "PRIVACY_URL", "\"https://pezkuwichain.io/privacy.html\""
buildConfigField "String", "TERMS_URL", "\"https://pezkuwichain.io/terms.html\""
buildConfigField "String", "GITHUB_URL", "\"https://github.com/pezkuwichain\""
buildConfigField "String", "TELEGRAM_URL", "\"https://t.me/pezkuwichainBot\""
buildConfigField "String", "TWITTER_URL", "\"https://x.com/bizinikiwi\""
buildConfigField "String", "RATE_URL", "\"market://details?id=${rootProject.applicationId}.${releaseApplicationSuffix}\""
buildConfigField "String", "EMAIL", "\"support@pezkuwichain.io\""
buildConfigField "String", "YOUTUBE_URL", "\"https://www.youtube.com/@SatoshiQazi\""
buildConfigField "String", "TWITTER_ACCOUNT_TEMPLATE", "\"https://twitter.com/%s\""
buildConfigField "String", "RECOMMENDED_VALIDATORS_LEARN_MORE", "\"https://docs.pezkuwichain.io/wallet-wiki/staking/staking-faq#q-how-does-pezkuwi-wallet-select-validators-collators\""
buildConfigField "String", "PAYOUTS_LEARN_MORE", "\"https://docs.pezkuwichain.io/wallet-wiki/staking/staking-faq#q-what-is-the-difference-between-restake-rewards-and-transferable-rewards\""
buildConfigField "String", "SET_CONTROLLER_LEARN_MORE", "\"https://docs.pezkuwichain.io/wallet-wiki/staking/staking-faq#q-what-are-stash-and-controller-accounts\""
buildConfigField "String", "SET_CONTROLLER_DEPRECATED_LEARN_MORE", "\"https://docs.pezkuwichain.io/wallet-wiki/staking/controller-account-deprecation\""
buildConfigField "String", "PARITY_SIGNER_TROUBLESHOOTING", "\"https://docs.pezkuwichain.io/wallet-wiki/hardware-wallets/parity-signer/troubleshooting\""
buildConfigField "String", "POLKADOT_VAULT_TROUBLESHOOTING", "\"https://docs.pezkuwichain.io/wallet-wiki/hardware-wallets/polkadot-vault/troubleshooting\""
buildConfigField "String", "PEZKUWI_WALLET_WIKI_BASE", "\"https://docs.pezkuwichain.io/wallet-wiki/about-pezkuwi-wallet\""
buildConfigField "String", "PEZKUWI_WALLET_WIKI_PROXY", "\"https://docs.pezkuwichain.io/wallet-wiki/wallet-management/delegated-authorities-proxies\""
buildConfigField "String", "PEZKUWI_WALLET_WIKI_INTEGRATE_NETWORK", "\"https://docs.pezkuwichain.io/wallet-wiki/misc/developer-documentation/integrate-network\""
buildConfigField "String", "LEDGER_MIGRATION_ARTICLE", "\"https://docs.pezkuwichain.io/wallet-wiki/wallet-management/hardware-wallets/ledger-nano-x/ledger-app-migration\""
buildConfigField "String", "LEDGER_CONNECTION_GUIDE", "\"https://docs.pezkuwichain.io/wallet-wiki/wallet-management/hardware-wallets/ledger-devices\""
buildConfigField "String", "APP_UPDATE_SOURCE_LINK", "\"https://wallet.pezkuwichain.io\""
buildConfigField "String", "PEZKUWI_CARD_WIDGET_URL", "\"https://exchange.mercuryo.io\""
buildConfigField "String", "ASSET_COLORED_ICON_URL", "\"https://raw.githubusercontent.com/pezkuwichain/pezkuwi-wallet-utils/main/icons/tokens/colored\""
buildConfigField "String", "ASSET_WHITE_ICON_URL", "\"https://raw.githubusercontent.com/pezkuwichain/pezkuwi-wallet-utils/main/icons/tokens/white\""
buildConfigField "String", "UNIFIED_ADDRESS_ARTICLE", "\"https://docs.pezkuwichain.io/wallet-wiki/asset-management/how-to-receive-tokens#unified-and-legacy-addresses\""
buildConfigField "String", "MULTISIGS_WIKI_URL", "\"https://docs.pezkuwichain.io/wallet-wiki/wallet-management/multisig-wallets\""
buildConfigField "String", "GIFTS_WIKI_URL", "\"https://docs.pezkuwichain.io/wallet-wiki/asset-management/gifting-tokens\""
buildConfigField "long", "CLOUD_PROJECT_NUMBER", "171267697857L"
buildConfigField "String", "GLOBAL_CONFIG_URL", "\"https://raw.githubusercontent.com/pezkuwichain/pezkuwi-wallet-utils/master/staking/global_config_dev.json\""
}
buildTypes {
debug {
}
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
buildConfigField "long", "CLOUD_PROJECT_NUMBER", "802342409053L"
buildConfigField "String", "GLOBAL_CONFIG_URL", "\"https://raw.githubusercontent.com/pezkuwichain/pezkuwi-wallet-utils/master/staking/global_config.json\""
}
releaseGithub {
initWith buildTypes.release
matchingFallbacks = ['release']
buildConfigField "String", "APP_UPDATE_SOURCE_LINK", "\"https://github.com/pezkuwichain/pezWallet/releases\""
}
}
namespace 'io.novafoundation.nova.common'
buildFeatures {
viewBinding true
}
}
dependencies {
implementation fileTree(dir: 'libs', include: ['*.jar'])
implementation(name: 'renderscript-toolkit', ext: 'aar')
api project(":core-api")
implementation kotlinDep
implementation androidDep
implementation cardViewDep
implementation recyclerViewDep
implementation materialDep
implementation constraintDep
implementation biometricDep
implementation bouncyCastleDep
api substrateSdkDep
implementation coroutinesDep
api liveDataKtxDep
implementation lifeCycleKtxDep
implementation viewModelKtxDep
implementation daggerDep
ksp daggerCompiler
implementation lifecycleDep
ksp lifecycleCompiler
implementation retrofitDep
api gsonConvertedDep
implementation scalarsConverterDep
implementation interceptorVersion
implementation okhttpDnsOverHttpsDep
implementation zXingCoreDep
implementation zXingEmbeddedDep
implementation progressButtonDep
implementation wsDep
api insetterDep
api coilDep
api coilSvg
api web3jDep
api coroutinesFutureDep
api coroutinesRxDep
implementation shimmerDep
implementation playIntegrity
testImplementation jUnitDep
testImplementation mockitoDep
testImplementation project(':test-shared')
implementation permissionsDep
implementation flexBoxDep
implementation markwonDep
implementation markwonImage
implementation markwonTables
implementation markwonLinkify
implementation markwonStrikethrough
implementation markwonHtml
implementation kotlinReflect
implementation playServicesAuthDep
}
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