@ledgerhq/ledger-cal-service/lib-es/currencies.js

Ledger CAL service client

import network from "@ledgerhq/live-network";
import { DEFAULT_OPTION, getCALDomain } from "./common";
import { getEnv } from "@ledgerhq/live-env";
// https://github.com/LedgerHQ/crypto-assets-service/blob/master/modules/api/src/main/scala/co/ledger/cal/api/assets/v1/model/asset/Currency.scala#L95
const OUTPUT_FILTER = "id,type,chain_id,coin_type,confirmations_needed,deposit_amount,family,has_tokens,name,network_magic,network,network_type,symbol,ticker,units,descriptor_exchange_app,blockchain_name,exchange_app_config_serialized,exchange_app_signature";
export class NoCurrencyFound extends Error {
    constructor(message) {
        super(message);
        this.name = "NoCurrencyFound";
    }
}
export async function findCurrencyData(id, { env = "prod", signatureKind = "prod", ref = getEnv("CAL_REF") || undefined, } = DEFAULT_OPTION) {
    // https://github.com/LedgerHQ/crypto-assets-service/blob/master/modules/service/src/main/scala/co/ledger/cal/service/api/ApiCALService.scala#L237
    const { data: currencyData } = await network({
        url: `${getCALDomain(env)}/v1/currencies`,
        params: {
            output: OUTPUT_FILTER,
            id,
            ref,
        },
    });
    if (!currencyData.length) {
        throw new NoCurrencyFound(`CAL currencies, missing configuration for ${id}`);
    }
    if (currencyData.length !== 1) {
        throw new NoCurrencyFound(`CAL currencies, multiple configurations found for ${id}`);
    }
    return {
        id: currencyData[0].id,
        chainId: currencyData[0]?.chain_id,
        coinType: currencyData[0].coin_type,
        config: currencyData[0].descriptor_exchange_app.data,
        signature: currencyData[0].descriptor_exchange_app.signatures[signatureKind],
        symbol: currencyData[0].symbol,
        ticker: currencyData[0].ticker,
        units: currencyData[0].units,
    };
}
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