{"version":3,"file":"ledger.module.cjs","sources":["../../src/modules/ledger.module.ts"],"sourcesContent":["import Str from '@ledgerhq/hw-app-str';\nimport Transport from '@ledgerhq/hw-transport';\nimport TransportWebUSB from '@ledgerhq/hw-transport-webusb';\nimport { Buffer } from 'buffer';\nimport { firstValueFrom } from 'rxjs';\nimport { StellarSelectorModal } from '../components/selector-modal/stellar-selector-modal';\nimport {\n hardwareWalletPaths$,\n mnemonicPath$,\n removeHardwareWalletPaths,\n removeMnemonicPath,\n selectedNetwork$,\n setHardwareWalletPaths,\n setMnemonicPath,\n} from '../state/store';\nimport { ModuleInterface, ModuleType } from '../types';\nimport { StrKey } from '@stellar/stellar-base';\nimport { parseError } from '../utils';\nimport { Transaction } from '@stellar/stellar-base';\n\nexport const LEDGER_ID = 'LEDGER';\n\nexport class LedgerModule implements ModuleInterface {\n moduleType: ModuleType = ModuleType.HW_WALLET;\n\n productId: string = LEDGER_ID;\n productName: string = 'Ledger';\n productUrl: string = 'https://www.ledger.com/';\n productIcon: string = 'https://stellar.creit.tech/wallet-icons/ledger.png';\n\n private _transport?: Transport;\n async transport() {\n if (!(await TransportWebUSB.isSupported())) throw new Error('Ledger can not be used with this device.');\n\n if (!this._transport) {\n this._transport = await TransportWebUSB.create();\n }\n\n return this._transport;\n }\n\n async disconnect(): Promise {\n removeMnemonicPath();\n removeHardwareWalletPaths();\n this._transport?.close();\n this._transport = undefined;\n }\n\n /**\n * This always return true because in theory ledgers aren't supposed\n * to be connected at all time\n */\n async isAvailable(): Promise {\n return TransportWebUSB.isSupported();\n }\n\n async runChecks(): Promise {\n if (!(await this.isAvailable())) {\n throw new Error('Ledger wallets can not be used');\n }\n }\n\n async getAddress(opts?: { path?: string }): Promise<{ address: string }> {\n await this.runChecks();\n\n try {\n const finalTransport: Transport = await this.transport();\n const str = new Str(finalTransport);\n\n let mnemonicPath: string | undefined = opts?.path || (await firstValueFrom(mnemonicPath$));\n\n if (!mnemonicPath) {\n await this.openAccountSelector();\n mnemonicPath = await firstValueFrom(mnemonicPath$);\n }\n\n const result: { rawPublicKey: Buffer } = await str.getPublicKey(mnemonicPath!);\n return { address: StrKey.encodeEd25519PublicKey(result.rawPublicKey) };\n } catch (e) {\n throw parseError(e);\n }\n }\n\n /**\n * This method is used by the Wallets Kit itself, if you're a dApp developer, most likely you don't need to use this method.\n * @param page - {Number}\n */\n async getAddresses(page: number = 0): Promise<{ publicKey: string; index: number }[]> {\n const finalTransport: Transport = await this.transport();\n const str = new Str(finalTransport);\n const startIndex: number = page * 10;\n const results: { publicKey: string; index: number }[] = [];\n\n for (let i = 0; i < 10; i++) {\n const result: { rawPublicKey: Buffer } = await str.getPublicKey(`44'/148'/${i + startIndex}'`);\n results.push({\n publicKey: StrKey.encodeEd25519PublicKey(result.rawPublicKey),\n index: i + startIndex,\n });\n }\n\n setHardwareWalletPaths(results);\n\n return results;\n }\n\n /**\n * This method is used by the Wallets Kit itself, if you're a dApp developer, most likely you don't need to use this method.\n */\n async openAccountSelector(): Promise<{ publicKey: string; index: number }> {\n return new Promise((resolve, reject) => {\n const el = document.createElement('stellar-accounts-selector') as StellarSelectorModal;\n el.setAttribute('showModal', '');\n el.setAttribute('loadingAccounts', '');\n document.body.appendChild(el);\n\n this.getAddresses()\n .then(addressesData => {\n el.setAttribute('accounts', JSON.stringify(addressesData));\n el.removeAttribute('loadingAccounts');\n })\n .catch(err => {\n el.remove();\n reject(err);\n });\n\n const listener = (event: CustomEvent) => {\n const { publicKey, index } = event.detail as { publicKey: string; index: number };\n setMnemonicPath(`44'/148'/${index}'`);\n resolve({ publicKey, index });\n // eslint-disable-next-line @typescript-eslint/ban-ts-comment\n // @ts-ignore\n el.removeEventListener('account-selected', listener, false);\n document.body.removeChild(el);\n };\n // eslint-disable-next-line @typescript-eslint/ban-ts-comment\n // @ts-ignore\n el.addEventListener('account-selected', listener, false);\n\n const errorListener = (event: CustomEvent) => {\n // eslint-disable-next-line @typescript-eslint/ban-ts-comment\n // @ts-ignore\n el.removeEventListener('account-selected', listener, false);\n // eslint-disable-next-line @typescript-eslint/ban-ts-comment\n // @ts-ignore\n el.removeEventListener('account-selector-closed', errorListener, false);\n document.body.removeChild(el);\n reject(event.detail);\n };\n // eslint-disable-next-line @typescript-eslint/ban-ts-comment\n // @ts-ignore\n el.addEventListener('account-selector-closed', errorListener, false);\n });\n }\n\n async signTransaction(\n xdr: string,\n opts?: {\n networkPassphrase?: string;\n address?: string;\n path?: string;\n nonBlindTx?: boolean;\n }\n ): Promise<{ signedTxXdr: string; signerAddress?: string }> {\n await this.runChecks();\n const finalTransport: Transport = await this.transport();\n const str = new Str(finalTransport);\n\n let mnemonicPath: string | undefined;\n let account: string;\n if (opts?.path) {\n mnemonicPath = opts.path;\n const result: { rawPublicKey: Buffer } = await str.getPublicKey(mnemonicPath);\n account = StrKey.encodeEd25519PublicKey(result.rawPublicKey);\n } else if (opts?.address) {\n const paths = await firstValueFrom(hardwareWalletPaths$);\n const target = paths.find(p => p.publicKey === opts.address);\n if (!target) throw new Error('This address has not been loaded from this ledger');\n mnemonicPath = `44'/148'/${target.index}'`;\n account = target.publicKey;\n } else {\n mnemonicPath = await firstValueFrom(mnemonicPath$);\n if (!mnemonicPath) throw new Error('There is no path available, please call the `getAddress` method first.');\n const result: { rawPublicKey: Buffer } = await str.getPublicKey(mnemonicPath);\n account = StrKey.encodeEd25519PublicKey(result.rawPublicKey);\n }\n\n const network: string | undefined = opts?.networkPassphrase || (await firstValueFrom(selectedNetwork$));\n if (!network) throw new Error('You need to provide or set a network passphrase');\n\n const tx: Transaction = new Transaction(xdr, network);\n\n const result: { signature: Buffer } = opts?.nonBlindTx\n ? await str.signTransaction(mnemonicPath, tx.signatureBase())\n : await str.signHash(mnemonicPath, tx.hash());\n\n tx.addSignature(account, result.signature.toString('base64'));\n\n return {\n signedTxXdr: tx.toXDR(),\n signerAddress: account,\n };\n }\n\n async signAuthEntry(): Promise<{ signedAuthEntry: string; signerAddress?: string }> {\n throw {\n code: -3,\n message: 'Ledger Wallets do not support the \"signAuthEntry\" function',\n };\n }\n\n async signMessage(): Promise<{ signedMessage: string; signerAddress?: string }> {\n throw {\n code: -3,\n message: 'Ledger Wallets do not support the \"signMessage\" function',\n };\n }\n\n async getNetwork(): Promise<{ network: string; networkPassphrase: string }> {\n throw {\n code: -3,\n message: 'Ledger Wallets do not support the \"getNetwork\" function',\n };\n 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