# hw-app-ttc > Ledger Hardware Wallet TTC Application API Latest version **0.0.2** (published 2020-05-23) · Apache-2.0 license · 0 weekly downloads ## Install ```sh npm install hw-app-ttc pnpm add hw-app-ttc yarn add hw-app-ttc bun add hw-app-ttc ``` ## Health **Score 20/100 (F)** — status: abandoned. Positive: esm support; no vulnerabilities. Warnings: low downloads; no types; pre 1.0. Negative: abandoned; low maintenance score. ## Facts | | | |---|---| | Version | 0.0.2 | | Published | 2020-05-23 | | First published | 2020-05-21 | | Weekly downloads | 0 | | License | Apache-2.0 | | TypeScript types | none | | Module format | ESM + CommonJS | | Dependencies | 2 | | Unpacked size | 94.6 KB | | Known vulnerabilities | 0 | | Install scripts | no | | GitHub stars | 2 | | Maintainers | howe | | Keywords | Ledger, LedgerWallet, ttc, NanoS, Blue, Hardware Wallet | ## Links - npm: https://www.npmjs.com/package/hw-app-ttc - Repository: https://github.com/TTCECO/ledger-app-ttc - Issues: https://github.com/TTCECO/ledger-app-ttc/issues - npm.io page: https://npm.io/package/hw-app-ttc ## Dependencies (2) - [@ledgerhq/errors](https://npm.io/package/@ledgerhq/errors.md) ^5.15.0 - [@ledgerhq/hw-transport](https://npm.io/package/@ledgerhq/hw-transport.md) ^5.15.0 ## Alternatives - [@commercetools/sync-actions](https://npm.io/package/@commercetools/sync-actions.md) — 25.1K weekly downloads - [cwait](https://npm.io/package/cwait.md) — 21.4K weekly downloads - [@ledgerhq/hw-app-cosmos](https://npm.io/package/@ledgerhq/hw-app-cosmos.md) — 4.2K weekly downloads - [@financial-times/o-loading](https://npm.io/package/@financial-times/o-loading.md) — 2.8K weekly downloads - [fa](https://npm.io/package/fa.md) — 185 weekly downloads ## Recent versions - 0.0.2 (latest) — 2020-05-23 - 0.0.1 — 2020-05-21 ## README ## hw-app-ttc Ledger Hardware Wallet TTC JavaScript bindings. ## API #### Table of Contents - [TTC](#ttc) - [Parameters](#parameters-1) - [Examples](#examples) - [getAddress](#getaddress) - [Parameters](#parameters-2) - [Examples](#examples-1) - [signTransaction](#signtransaction) - [Parameters](#parameters-4) - [Examples](#examples-3) - [getAppConfiguration](#getappconfiguration) - [signPersonalMessage](#signpersonalmessage) - [Parameters](#parameters-5) - [Examples](#examples-4) ### TTC TTC API #### Parameters - `transport` **Transport<any>** - `scrambleKey` **[string](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/String)** (optional, default `"TTC"`) #### Examples ```javascript import TTC from "hw-app-ttc"; const ttc = new TTC(transport) ``` #### getAddress get TTC address for a given BIP 32 path. ##### Parameters - `path` **[string](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/String)** a path in BIP 32 format - `boolDisplay` **[boolean](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Boolean)?** - `boolChaincode` **[boolean](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Boolean)?** ##### Examples ```javascript ttc.getAddress("44'/718'/0'/0/0").then(o => o.address) ``` Returns **[Promise](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Promise)<{publicKey: [string](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/String), address: [string](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/String), chainCode: [string](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/String)?}>** an object with a publicKey, address and (optionally) chainCode #### signTransaction You can sign a transaction and retrieve v, r, s given the raw transaction and the BIP 32 path of the account to sign ##### Parameters - `path` **[string](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/String)** - `rawTxHex` **[string](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/String)** ##### Examples ```javascript ttc.signTransaction("44'/718'/0'/0/0", "e8018504e3b292008252089428ee52a8f3d6e5d15f8b131996950d7f296c7952872bd72a2487400080").then(result => ...) ``` Returns **[Promise](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Promise)<{s: [string](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/String), v: [string](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/String), r: [string](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/String)}>** #### getAppConfiguration Returns **[Promise](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Promise)< {version: [string](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/String)}>** #### signPersonalMessage You can sign a message according to eth_sign RPC call and retrieve v, r, s given the message and the BIP 32 path of the account to sign. ##### Parameters - `path` **[string](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/String)** - `messageHex` **[string](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/String)** ##### Examples ```javascript ttc.signPersonalMessage("44'/718'/0'/0/0", Buffer.from("test").toString("hex")).then(result => { var v = result['v'] - 27; v = v.toString(16); if (v.length < 2) { v = "0" + v; } console.log("Signature 0x" + result['r'] + result['s'] + v); }) ``` Returns **[Promise](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Promise)<{v: [number](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Number), s: [string](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/String), r: [string](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/String)}>** --- _Source: https://npm.io/package/hw-app-ttc · Machine-readable twin of the npm.io package page. 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