@ledgerhq/coin-casper/lib-es/bridge/bridgeHelpers/accountShape.js

Ledger Casper integration

import flatMap from "lodash/flatMap";
import { log } from "@ledgerhq/logs";
import BigNumber from "bignumber.js";
import { encodeAccountId } from "@ledgerhq/coin-framework/account/index";
import { fetchBalance, fetchBlockHeight, fetchAccountStateInfo, fetchTxs } from "../../api/index";
import { mapTxToOps } from "./txn";
export const getAccountShape = async (info) => {
    const { address, currency, derivationMode } = info;
    const accountId = encodeAccountId({
        type: "js",
        version: "2",
        currencyId: currency.id,
        xpubOrAddress: address,
        derivationMode,
    });
    log("debug", `Generation account shape for ${address}`);
    const { purseUref, accountHash } = await fetchAccountStateInfo(address);
    const blockHeight = await fetchBlockHeight();
    const balance = purseUref ? await fetchBalance(purseUref) : new BigNumber(0);
    const txs = purseUref ? await fetchTxs(address) : [];
    return {
        id: accountId,
        balance,
        spendableBalance: balance,
        operations: flatMap(txs, mapTxToOps(accountId, accountHash ?? "")),
        blockHeight,
    };
};
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