Press n or j to go to the next uncovered block, b, p or k for the previous block.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 | 2x 2x 2x 2x 2x 6x 6x 6x 6x 6x 6x 6x 6x 6x 2x 1x 2x | import { HDKey } from '@scure/bip32'; import { bytesToHex } from 'micro-stacks/common'; import { DATA_DERIVATION_PATH, STX_DERIVATION_PATH } from '../constants'; import { isCompressed, isHardened } from '../utils'; import type { Account, Wallet } from '../types'; /** * Derive an account from a wallet * @param rootNode * @param index * @param salt */ export function deriveAccount(rootNode: HDKey, index: number, salt: string): Account { const childKey = rootNode.derive(STX_DERIVATION_PATH).deriveChild(index); Iif (!childKey.privateKey) throw Error('no private key'); const identitiesKeychain = rootNode.derive(DATA_DERIVATION_PATH); const identityKeychain = identitiesKeychain.deriveChild(isHardened(index)); Iif (!identityKeychain.privateKey) throw new Error('Must have private key to derive identities'); const dataPrivateKey = bytesToHex(identityKeychain.privateKey); const appsKey = identityKeychain.deriveChild(isHardened(0)).privateExtendedKey; const stxPrivateKey = `${bytesToHex(childKey.privateKey)}${ isCompressed(childKey.privateKey) ? '01' : '' }`; return { stxPrivateKey, dataPrivateKey, appsKey, salt, index, }; } export function deriveNextAccountFromWallet(wallet: Wallet): Account { return deriveAccount( HDKey.fromExtendedKey(wallet.rootKey), // this function generates the next account for the wallet wallet.accounts.length, wallet.salt ); } export function deriveManyAccountsForWallet( wallet: Wallet, count: number, startingIndex?: number ): Account[] { const accounts: Account[] = []; const indexes = [...Array(count).keys()]; for (const _index of indexes) { const offset = startingIndex ? startingIndex : wallet.accounts.length > 0 ? wallet.accounts.length - 1 : 0; const index = offset + _index; const match = wallet.accounts[index]; Iif (!match) accounts.push(deriveAccount(HDKey.fromExtendedKey(wallet.rootKey), index, wallet.salt)); } return accounts; } |