Asset Balances
diff --git a/src/lib/stellar.ts b/src/lib/stellar.ts
index ec000cd..4ba2a07 100644
--- a/src/lib/stellar.ts
+++ b/src/lib/stellar.ts
@@ -441,6 +441,7 @@ export function streamLedgers(
export interface NetworkStats {
latestLedger: StellarSdk.Horizon.ServerApi.LedgerRecord
feeStats: StellarSdk.Horizon.HorizonApi.FeeStatsResponse
+ baseReserve: number // in stroops
}
export async function fetchNetworkStats(network: NetworkName = 'testnet'): Promise {
@@ -459,11 +460,78 @@ export async function fetchNetworkStats(network: NetworkName = 'testnet'): Promi
const result = {
latestLedger: ledger.records[0],
feeStats,
+ baseReserve: parseInt(ledger.records[0].base_reserve || '5000000', 10),
}
stellarCache.set(cacheKey, result, TTL.LEDGER, ['network-stats', network])
return result
}
+export interface AccountReserves {
+ baseReserve: number // in XLM
+ signerReserve: number // in XLM
+ assetReserve: number // in XLM
+ offerReserve: number // in XLM
+ sponsoredReserves: number // in XLM
+ totalLocked: number // in XLM
+ availableBalance: number // in XLM
+ totalBalance: number // in XLM
+}
+
+export function calculateAccountReserves(
+ account: StellarSdk.Horizon.AccountResponse,
+ baseReserveStroops: number,
+ offerCount: number = 0
+): AccountReserves {
+ const baseReserveXLM = baseReserveStroops / 10_000_000
+ const subentryCount = account.subentry_count || 0
+
+ // Count signers (excluding master key which is the account itself)
+ const signers = account.signers || []
+ const additionalSigners = signers.filter(s => s.key !== account.account_id).length
+
+ // Count trustlines (non-native assets)
+ const trustlines = account.balances?.filter(b => b.asset_type !== 'native')?.length || 0
+
+ // Calculate reserves
+ // Base reserve: 2 * baseReserve (for account entry + base subentry)
+ const baseReserve = 2 * baseReserveXLM
+
+ // Per subentry reserve: subentries * baseReserve
+ const subentryReserve = subentryCount * baseReserveXLM
+
+ // Per signer reserve: additional signers * baseReserve
+ const signerReserve = additionalSigners * baseReserveXLM
+
+ // Per asset/trustline reserve: trustlines * baseReserve
+ const assetReserve = trustlines * baseReserveXLM
+
+ // Per offer reserve: offers * baseReserve
+ const offerReserve = offerCount * baseReserveXLM
+
+ // Sponsored reserves (if any - would need to be fetched from ledger entries)
+ const sponsoredReserves = 0 // TODO: Implement sponsored reserves calculation if needed
+
+ // Total locked balance
+ const totalLocked = baseReserve + subentryReserve + signerReserve + assetReserve + offerReserve + sponsoredReserves
+
+ // Get XLM balance
+ const xlmBalance = parseFloat(account.balances?.find(b => b.asset_type === 'native')?.balance || '0')
+
+ // Available spendable balance
+ const availableBalance = Math.max(0, xlmBalance - totalLocked)
+
+ return {
+ baseReserve,
+ signerReserve,
+ assetReserve,
+ offerReserve,
+ sponsoredReserves,
+ totalLocked,
+ availableBalance,
+ totalBalance: xlmBalance,
+ }
+}
+
export interface XLMPrice {
usd: number
source: 'coingecko'