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nofx/mcp
Lance 2f483633ed feat(claw402): preflight USDC balance before AI calls (#1479)
* chore: ignore nofx-server build artifact

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* feat(claw402): preflight USDC balance before AI calls

Short-circuit claw402 Call/CallWithRequestFull when the wallet balance
can't cover the estimated cost of the call, surfacing ErrInsufficientFunds
instead of letting x402 fail mid-flight after the sign step.

- wallet: cached balance lookup (30s TTL, per-address mutex) to avoid
  hammering the Base RPC; separate error-returning and display-only APIs
  so callers can distinguish zero balance from an unreachable RPC.
- claw402: 1.5× safety multiplier on the flat per-call estimate, 4.0×
  for reasoner models whose chain-of-thought cost can blow past the
  flat rate. Fail-open on RPC errors — x402 still gates actually-empty
  wallets, and we prefer availability over extra strictness.
- shortAddr redacts the wallet in error strings to avoid leaking the
  full address into telemetry bundles.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

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Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>
2026-04-16 21:17:45 +08:00
..
2025-11-15 23:04:53 -05:00
2025-12-08 01:43:22 +08:00