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Stellar Integration
How StellarNotherc uses Stellar's native primitives for payments, FX conversion, and fee management.
Why Stellar
Stellar was designed for cross-border payments. Three properties make it a natural fit for a payment-native agent protocol:
- Finality in 3–5 seconds. SCP prioritizes safety over liveness. Transactions confirm quickly or fail cleanly. No reorgs.
- Sub-cent fees. Base fee is 100 stroops (0.00001 XLM). Even during surges, fees are orders of magnitude cheaper than EVM chains.
- Atomic cross-asset conversion. Path payments route through the built-in SDEX, converting assets in a single operation.
Operations Used
| Operation | Purpose |
|---|---|
| payment | Native XLM transfers for tool purchases, refunds, and direct settlement. No trustline required. |
| pathPaymentStrictReceive | Cross-asset atomic conversion via SDEX. Receiver gets exact destination amount. |
| changeTrust | Optional only for destination-side credit assets. Not required for the native XLM payment rail. |
Deep Dives
SDEX & Path Payments →
Path finding, order book routing, slippage control.
Fee Strategy →
Surge-aware fees from Horizon feeStats.
Environment
| Variable | Purpose |
|---|---|
| HORIZON_URL | Stellar Horizon API endpoint |
| STELLAR_AGENT_SECRET | Agent wallet signing key |
| FX_SERVER_WALLET | Marketplace collector wallet that receives native XLM session funding and tool payments |
| STELLAR_NETWORK_PASSPHRASE | Network passphrase (default: Public Global Stellar Network) |