Ledger

Private and supply-chain hardened Ledger controller for TypeScript

``bash
npm i @hazae41/ledger
`

Node Package 📦

Features

$3

`tsx
/* Will open a popup using navigator.usb /
const device = Ledger.USB.getOrRequestDeviceOrThrow()
const connector = Ledger.USB.connectOrThrow(device)
`

$3

`tsx
import { Ledger } from "@hazae41/ledger"

const { address, uncompressedPublicKey } = await Ledger.Ethereum.getAddressOrThrow(connector, "44'/60'/0'/0/0")
`

$3

Ask the user to verify the address and get it

`tsx
import { Ledger } from "@hazae41/ledger"

const { address, uncompressedPublicKey } = await Ledger.Ethereum.verifyAndGetAddressOrThrow(connector, "44'/60'/0'/0/0")
`

$3

`tsx
import { Ledger } from "@hazae41/ledger"
import { ZeroHexSignature } from "@hazae41/cubane"

const message = new TextEncoder().encode("Hello World")

const rsvSignature = await Ledger.Ethereum.signPersonalMessageOrThrow(connector, "44'/60'/0'/0/0", message)
const zeroHexSignature = ZeroHexSignature.fromOrThrow(rsvSignature)
`

$3

`tsx
import { Ledger } from "@hazae41/ledger"
import { ZeroHexSignature } from "@hazae41/cubane"

const transaction = ethers.utils.arrayify(ethers.Transaction.from({
chainId,
nonce,
to,
value,
data
gasLimit,
gasPrice,
}).unsignedSerialized)

const rsvSignature = await Ledger.Ethereum.signTransactionOrThrow(connector, "44'/60'/0'/0/0", transaction)
const zeroHexSignature = ZeroHexSignature.fromOrThrow(rsvSignature)
`

$3

`tsx
import { Ledger } from "@hazae41/ledger"
import { ZeroHexSignature } from "@hazae41/cubane"

const rsvSignature = await Ledger.Ethereum.signEIP712HashedMessageOrThrow(connector, "44'/60'/0'/0/0", domain, message)
const zeroHexSignature = ZeroHexSignature.fromOrThrow(rsvSignature)
``