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    @liquality/hw-app-str

    4.24.0 • Public • Published

    Ledger Stellar app API

    Usage

    // when using "@ledgerhq/hw-transport-node-hid" library you need to go to
    // Settings -> Browser support in ledger stellar app and set this setting to 'No'
    import Transport from "@ledgerhq/hw-transport-node-hid";
    // import Transport from "@ledgerhq/hw-transport-u2f"; // for browser
    import Str from "@ledgerhq/hw-app-str";
    import StellarSdk from "stellar-sdk";
    
    const getStrAppVersion = async () => {
        const transport = await Transport.create();
        const str = new Str(transport);
        const result = await str.getAppConfiguration();
        return result.version;
    }
    getStrAppVersion().then(v => console.log(v));
    
    const getStrPublicKey = async () => {
      const transport = await Transport.create();
      const str = new Str(transport);
      const result = await str.getPublicKey("44'/148'/0'");
      return result.publicKey;
    };
    let publicKey;
    getStrPublicKey().then(pk => {
        console.log(pk);
        publicKey = pk;
    });
    
    const signStrTransaction = async (publicKey) => {
      const transaction = new StellarSdk.TransactionBuilder({accountId: () => publicKey, sequenceNumber: () => '1234', incrementSequenceNumber: () => null})
        .addOperation(StellarSdk.Operation.createAccount({
           source: publicKey,
           destination: 'GBLYVYCCCRYTZTWTWGOMJYKEGQMTH2U3X4R4NUI7CUGIGEJEKYD5S5OJ', // SATIS5GR33FXKM7HVWZ2UQO33GM66TVORZUEF2HPUQ3J7K634CTOAWQ7
           startingBalance: '11.331',
        }))
        .build();
      const transport = await Transport.create();
      const str = new Str(transport);
      const result = await str.signTransaction("44'/148'/0'", transaction.signatureBase());
      
      // add signature to transaction
      const keyPair = StellarSdk.Keypair.fromPublicKey(publicKey);
      const hint = keyPair.signatureHint();
      const decorated = new StellarSdk.xdr.DecoratedSignature({hint: hint, signature: result.signature});
      transaction.signatures.push(decorated);
      
      return transaction;
    }
    signStrTransaction(publicKey).then(transaction => console.log(transaction.toEnvelope().toXDR().toString('base64')));

    Github, API Doc, Ledger Devs Slack

    Install

    npm i @liquality/hw-app-str

    DownloadsWeekly Downloads

    16

    Version

    4.24.0

    License

    Apache-2.0

    Unpacked Size

    108 kB

    Total Files

    20

    Last publish

    Collaborators

    • koderholic
    • johannafransn
    • harshjv
    • liquality-bot
    • bradley.suira