@ledgerhq/live-common/src/account/serialization.ts

Common ground for the Ledger Live apps

import memoize from "lodash/memoize";
import { getCryptoCurrencyById } from "../currencies";
import type {
  Account,
  AccountBridge,
  AccountRaw,
  AccountUserData,
  BalanceHistory,
  BalanceHistoryRaw,
  Operation,
  OperationRaw,
  TokenAccount,
  TransactionCommon,
} from "@ledgerhq/types-live";
import { decodeAccountId } from "@ledgerhq/ledger-wallet-framework/account/index";
import {
  fromAccountRaw as commonFromAccountRaw,
  toAccountRaw as commonToAccountRaw,
  fromOperationRaw as commonFromOperationRaw,
  toOperationRaw as commonToOperationRaw,
} from "@ledgerhq/ledger-wallet-framework/serialization/index";
import { getAccountBridge } from "../bridge";
import { getAccountBridgeByFamily } from "../bridge/impl";

export function toBalanceHistoryRaw(b: BalanceHistory): BalanceHistoryRaw {
  return b.map(({ date, value }) => [date.toISOString(), value.toString()]);
}

export const toOperationRaw = (
  operation: Operation,
  preserveSubOperation?: boolean,
): OperationRaw => {
  let toOperationRaw: AccountBridge<TransactionCommon>["toOperationExtraRaw"] | undefined;
  if (operation.extra) {
    const family = inferFamilyFromAccountId(operation.accountId);

    if (family) {
      const bridge = getAccountBridgeByFamily(family, operation.accountId);
      toOperationRaw = bridge.toOperationExtraRaw;
    }
  }

  return commonToOperationRaw(operation, preserveSubOperation, toOperationRaw);
};

export const fromOperationRaw = (
  operationRaw: OperationRaw,
  accountId: string,
  subAccounts?: TokenAccount[] | null | undefined,
): Operation => {
  let fromOperationRaw: AccountBridge<TransactionCommon>["fromOperationExtraRaw"] | undefined;

  if (operationRaw.extra) {
    const family = inferFamilyFromAccountId(operationRaw.accountId);

    if (family) {
      const bridge = getAccountBridgeByFamily(family, accountId);
      fromOperationRaw = bridge.fromOperationExtraRaw;
    }
  }

  return commonFromOperationRaw(operationRaw, accountId, subAccounts, fromOperationRaw);
};

export async function fromAccountRaw(rawAccount: AccountRaw): Promise<Account> {
  const currency = getCryptoCurrencyById(rawAccount.currencyId);
  const bridge = getAccountBridgeByFamily(currency.family, rawAccount.id);

  return await commonFromAccountRaw(rawAccount, {
    assignFromAccountRaw: bridge.assignFromAccountRaw,
    assignFromTokenAccountRaw: bridge.assignFromTokenAccountRaw,
    fromOperationExtraRaw: bridge.fromOperationExtraRaw,
  });
}

export function toAccountRaw(account: Account, userData?: AccountUserData): AccountRaw {
  const bridge = getAccountBridge(account);

  const commonAccountRaw = commonToAccountRaw(account, {
    assignToAccountRaw: bridge.assignToAccountRaw,
    assignToTokenAccountRaw: bridge.assignToTokenAccountRaw,
    toOperationExtraRaw: bridge.toOperationExtraRaw,
  });

  // extend with user data fields
  if (userData) {
    commonAccountRaw.name = userData.name;
    commonAccountRaw.starred = userData.starredIds.includes(commonAccountRaw.id);
    for (const tokenAccount of commonAccountRaw.subAccounts || []) {
      tokenAccount.starred = userData.starredIds.includes(tokenAccount.id);
    }
  }

  return commonAccountRaw;
}

const inferFamilyFromAccountId: (accountId: string) => string | null | undefined = memoize(
  accountId => {
    try {
      const { currencyId } = decodeAccountId(accountId);
      return getCryptoCurrencyById(currencyId).family;
    } catch {
      return null;
    }
  },
);