Export XRPL-compatible Ed25519 secret seeds

[Copilot]

GoodWallet displayed native XRPL addresses but exported an intermediate HD value that standard XRP wallets could not import. XRP export now copies the exact Ed25519 XRPL secret seed used to derive the displayed address.

• XRPL seed export

  • Added a shared XRP helper that derives and encodes the existing 16-byte Ed25519 seed.
  • XRP signing continues using this same seed, preserving existing addresses and signing behavior.

• Export UI

  • XRP/XRP Testnet now copy an XRPL Secret Seed (Ed25519).
  • XRP-specific confirmation and success copy no longer describe the credential as a raw private key.
  • Non-XRP exports retain their existing behavior.

const secretSeed = await getXrpSecretSeed("XRP", masterSeed)
// sEd... → imports to the displayed classic XRPL address

• Regression coverage
  • Added a fixed derivation vector verifying the exported sEd... seed derives to the expected XRPL classic address.

• Fixes [Bug]: Non-compatible value is returned as 'XRP Private key' that cannot be used as import in other wallets #12

[vercel]

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Project	Deployment	Actions	Updated (UTC)
good-wallet-v2	Ready	Preview	Jul 23, 2026 6:48am