@ledgerhq/hw-app-trx

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@ledgerhq/hw-app-trx

Ledger Hardware Wallet TRX JavaScript bindings.

Are you adding Ledger support to your software wallet?

You may be using this package to communicate with the TRX Nano App.

For a smooth and quick integration:

See the developers’ documentation on the Developer Portal and
Go on Discord to chat with developer support and the developer community.

API

Trx

Tron API

Parameters

transport Transport
scrambleKey (optional, default "TRX")

Examples

import Trx from "@ledgerhq/hw-app-trx";
const trx = new Trx(transport)

getAddress

get Tron address for a given BIP 32 path.

Parameters

path string a path in BIP 32 format
boolDisplay boolean?

Examples

const address = await tron.getAddress("44'/195'/0'/0/0").then(o => o.address)

Returns Promise<{publicKey: string, address: string}> an object with a publicKey and address

signTransaction

sign a Tron transaction with a given BIP 32 path and Token Names

Parameters

path string a path in BIP 32 format
rawTxHex string a raw transaction hex string
tokenSignatures Array<string> Tokens Signatures array

Examples

const signature = await tron.signTransaction("44'/195'/0'/0/0", "0a02f5942208704dda506d59dceb40f0f4978f802e5a69080112650a2d747970652e676f6f676c65617069732e636f6d2f70726f746f636f6c2e5472616e73666572436f6e747261637412340a1541978dbd103cfe59c35e753d09dd44ae1ae64621c7121541e2ae49db6a70b9b4757d2137a43b69b24a445780188ef8b5ba0470cbb5948f802e", [], 105);

Returns Promise<string> a signature as hex string

signTransactionHash

sign a Tron transaction hash with a given BIP 32 path

Parameters

path string a path in BIP 32 format
rawTxHashHex string
rawTxHex a raw transaction hex string

Examples

const signature = await tron.signTransactionHash("44'/195'/0'/0/0", "25b18a55f86afb10e7aca38d0073d04c80397c6636069193953fdefaea0b8369");

Returns Promise<string> a signature as hex string

getAppConfiguration

get the version of the Tron app installed on the hardware device

Examples

const result = await tron.getAppConfiguration();
{
  "version": "0.1.5",
  "versionN": "105".
  "allowData": false,
  "allowContract": false,
  "truncateAddress": false,
  "signByHash": false
}

Returns Promise<{allowContract: boolean, truncateAddress: boolean, allowData: boolean, signByHash: boolean, version: string, versionN: number}> an object with a version

signPersonalMessage

sign a Tron Message with a given BIP 32 path

Parameters

path string a path in BIP 32 format
messageHex string
message hex string to sign

Examples

const signature = await tron.signPersonalMessage("44'/195'/0'/0/0", "43727970746f436861696e2d54726f6e5352204c6564676572205472616e73616374696f6e73205465737473");

Returns Promise<string> a signature as hex string

signTIP712HashedMessage

Sign a typed data. The host computes the domain separator and hashStruct(message)

Parameters

path string
domainSeparatorHex string
hashStructMessageHex string

Examples

const signature = await tronApp.signTIP712HashedMessage("44'/195'/0'/0/0",Buffer.from( "0101010101010101010101010101010101010101010101010101010101010101").toString("hex"), Buffer.from("0202020202020202020202020202020202020202020202020202020202020202").toString("hex"));

getECDHPairKey

get Tron address for a given BIP 32 path.

Parameters

path string a path in BIP 32 format
publicKey string address public key to generate pair key

Examples

const signature = await tron.getECDHPairKey("44'/195'/0'/0/0", "04ff21f8e64d3a3c0198edfbb7afdc79be959432e92e2f8a1984bb436a414b8edcec0345aad0c1bf7da04fd036dd7f9f617e30669224283d950fab9dd84831dc83");

Returns Promise<string> shared key hex string,