wip

packages/platform-sdk-lsk/src/services/ledger.ts

@@ -1,4 +1,4 @@
-import { Contracts, Exceptions } from "@arkecosystem/platform-sdk";
+import { Contracts, Exceptions, Utils } from "@arkecosystem/platform-sdk";
 import LedgerTransport from "@ledgerhq/hw-transport-node-hid-singleton";
 import { DposLedger, LedgerAccount, SupportedCoin } from "dpos-ledger-api";
 import Lisk from "lisk-elements";
@@ -9,6 +9,7 @@ export class LedgerService implements Contracts.LedgerService {
 
 	private constructor(transport: Contracts.LedgerTransport) {
 		this.#ledger = transport;
+		// @ts-ignore
 		this.#transport = new DposLedger(transport);
 	}
 
@@ -33,8 +34,8 @@ export class LedgerService implements Contracts.LedgerService {
 	public async signTransaction(path: string, payload: Buffer): Promise<string> {
 		const signature: Buffer = await this.#transport.signTX(
 			this.getLedgerAccount(path),
-			Lisk.transaction.utils.getTransactionBytes(payload),
-			false,
+			// @ts-ignore
+			Lisk.transaction.utils.getTransactionBytes(payload)
 		);
 
 		return signature.toString("hex");
@@ -57,7 +58,7 @@ export class LedgerService implements Contracts.LedgerService {
 	private getLedgerAccount(path: string): LedgerAccount {
 		const account: LedgerAccount = new LedgerAccount();
 		account.coinIndex(SupportedCoin.LISK);
-		account.account(path); // todo: parse account index from path
+		account.account(Utils.BIP44.parse(path).account);
 
 		return account;
 	}

packages/platform-sdk/src/utils/bip44.ts

@@ -35,4 +35,23 @@ export class BIP44 {
 
 		return bip32.fromSeed(bip39.mnemonicToSeedSync(passphrase));
 	}
+
+	public static parse(path: string) {
+		if (!path.match(new RegExp("^((m/)?(44'?)){1}(/[0-9]+'?){2}(/[0-9]+){2}$", "g"))) {
+			throw new Error(path);
+		}
+
+		const result: number[] = [];
+		for (const level of path.replace("m/", "").split("/")) {
+			result.push(+level.replace("'", ""));
+		}
+
+		return {
+			purpose: result[0],
+			coinType: result[1],
+			account: result[2],
+			change: result[3],
+			addressIndex: result[4],
+		};
+	}
 }