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fix(chain): refresh DEFAULT_RPC_POOL, drop stale rpc.sentinel.co as primary #11

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fix(chain): refresh DEFAULT_RPC_POOL, drop stale rpc.sentinel.co as primary #11

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2 changes: 1 addition & 1 deletion README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -94,7 +94,7 @@ Electron ABI. If you later want to run unit tests, run
| Address format | bech32; app + nodes use the `sent` HRP, chain-side node identity is `sentnode` |
| At-rest encryption | Electron `safeStorage` (OS keychain: Keychain / DPAPI / libsecret) |
| Balance query | `StargateClient.getBalance(addr, 'udvpn')` |
| RPC pool | Three endpoints (rpc.sentinel.co + AutoStake + Polkachu) with latency-aware failover |
| RPC pool | Eight audited endpoints (busurnode → suchnode → publicnode → trinitystake → polkachu → autostake → freshSTAKING → sentinel.co) with latency-aware failover. Audited 2026-05-02; sentinel.co kept last as a stale-fallback only. |
| Send / MsgSend | `SigningSentinelClient.sendTokens` with explicit StdFee; error codes classified |
| Operator seeding | 1 DVPN auto-transferred to each new node's operator address on deploy |
| QR code | Real SVG from `qrcode` in main, inlined in renderer |
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23 changes: 18 additions & 5 deletions src/main/services/chain.ts
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Expand Up @@ -16,14 +16,27 @@ export const DEFAULT_GAS_PRICE_UDVPN = '0.1';

/**
* Public RPC pool. The app picks whichever endpoint answers fastest and
* falls through on failure. These are the three endpoints named by the
* Sentinel docs + two community validators (AutoStake + Polkachu) with
* historically strong uptime.
* falls through on failure.
*
* Audited 2026-05-02 against a known funded address — every entry below
* reported `catching_up=false` AND served a correct ABCI bank balance.
* `rpc.sentinel.co` is kept last as a stale-fallback only: it has been
* stuck behind tip while reporting `catching_up=false`, returning stale
* balances for several weeks. New code should not rely on it as primary.
*
* Primary picks (busurnode + suchnode + publicnode + trinitystake) are
* sub-500ms in the audit; community validators (polkachu, freshSTAKING)
* follow; sentinel.co last.
*/
export const DEFAULT_RPC_POOL: readonly string[] = [
'https://rpc.sentinel.co:443',
'https://sentinel-mainnet-rpc.autostake.com:443',
'https://rpc-sentinel.busurnode.com',
'https://rpc.sentinel.suchnode.net',
'https://sentinel-rpc.publicnode.com',
'https://rpc.trinitystake.io',
'https://sentinel-rpc.polkachu.com:443',
'https://sentinel-mainnet-rpc.autostake.com:443',
'https://sentinel-rpc.freshstaking.com',
'https://rpc.sentinel.co:443',
];

export const udvpnToDvpn = (u: string | number | bigint): number => {
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