CHANGELOG.md

Pre release changelog & notes

0.3.0

Ledger/Bcoin

• Move ledger/btc specific code to ledger/ directory.
• Rename bcoin to ledgerbcoin
• Add managed-ledgerbcoin that will open/close device for you.
• Minor:
  • Add logger/logs to ledger.
  • Describe more types.
  • use bsert for everything.

Devices

• Drop u2f support.
• Replace node-hid with usb (busb).
• Add WebUSB Support (busb)
• Switch to busb that uses: usb for node.js and webusb for browser.
• Add webauthn backend.
• remove DeviceInfo class.
• Minor:
  • Separate error types
  • isSupported and ensureSupport are strictly async (both backends webauthn, usb).

0.2.0

New features

• getFirmwareVersion() - output of this may change
• getOperationMode() and setOperationMode
• randomBytes(size) - get random bytes from ledger (Up to 255 bytes)
• getFingerPrint(path) - get fingerprint of the path.
• signMessage(message) - will return signature wrapped in LedgerSignature.
• verifyMessage(path, message, signature) - verify message using public key from ledger.
• LedgerSignature helper that has several serialization methods:
  • fromLedgerSignature/toLedgerSignature - DER with first byte having recid
  • fromDER/toDER - DER encoded signature.
  • decode/encode - Just R/S encoding.
  • fromCoreSignature/toCoreSignature - Bitcoin signed message encoding
  • verifyMessage(msg, publicKey, prefix = BITCOIN_MAGIC) - verify message.
  • verify(hash, publicKey) - verify hash.
  • recoverMessage(msg, compress = true, prefix = BITCOIN_MAGIC) - recover public key from message and signature.
  • recover(hash, compress = true) - recover public key from hash and sig.

API Changes

• getPublicKey(path, addressFlags = 0) changed to getPublicKey(path, parentFingerPrint = false, addressFlags = 0)
  • parentFingerPrint = 1 will return parentFingerprint with HDPublicKey object.

Notes

• Removed karma in favor of bmocha.