@leashmarket/core

Policy evaluation, receipt hashing / chain verification, real x402 client adapter for Solana, treasury helpers, and an env-based kill-switch.

Install

npm install @leashmarket/core
# or
pnpm add @leashmarket/core

Usage

import {
  evaluate,
  finalizeReceipt,
  verifyReceiptChain,
  treasuryPda,
  readPauseFromEnv,
} from '@leashmarket/core';
import { createSvmBuyerFetch } from '@leashmarket/core/x402';

createSvmBuyerFetch({ signer, networks, rpcUrl }) registers ExactSvmScheme (from @x402/svm) with wrapFetchWithPayment (from @x402/fetch) and returns a paidFetch that handles the real x402 402 → sign SPL transfer → retry → settle round-trip on Solana.

All hashing uses @noble/hashes so the package runs unchanged in Node, the browser, and edge runtimes.

Docs

docs.leash.market/sdk/core

See also: Real x402 on Solana

Test

pnpm --filter @leashmarket/core test