Currencies and chains

# A public route, limited to 60 requests a minute per IP: cache the list at start-up.# ?test=true lists the test networks' currencies instead.curl https://api.qbitflow.app/v2/currencies# 200: a page of Currency ({ items, hasMore: false })

// A public route limited to 60 requests a minute per IP: cache the list at start-up. One bounded// list (an array): the live currencies; test: true, the test networks'; main: true, the chains'// native coins only.const currencies = await client.currencies.list();for (const { id, code, name, chain, decimals } of currencies) {	console.log(`${id}: ${code} (${name} on ${chain}), ${decimals} decimals`);}

# A public route limited to 60 requests a minute: cache the list at start-up. One bounded# list: the live currencies; test=True the test networks'; main=True the native coins only.currencies = client.currencies.list()for currency in currencies:    print(currency.id, currency.code, currency.name, currency.chain, currency.decimals)

// A public route limited to 60 requests a minute per IP: cache the list at start-up.// One bounded list (a slice): the live currencies; Test: the test networks'; Main: the// chains' native coins only.currencies, err := client.Currencies.List(ctx, nil)if err != nil {	log.Fatal(err)}for _, c := range currencies {	fmt.Printf("%d: %s (%s on %s), %d decimals\n", c.ID, c.Code, c.Name, c.Chain, c.Decimals)}

// One bounded list: the live currencies; test: the test networks'; main: the chains' native coins only.foreach ($client->currencies->list() as $currency) {	echo "{$currency->id}: {$currency->code} ({$currency->name} on {$currency->chain}), {$currency->decimals} decimals\n";}

// Token amounts come both ways, as decimal strings: payment.amount ('4.99') and// payment.amountMinUnits ('4990000', with payment.currency.decimals). Convert between them with// string arithmetic, never floats.const shown = formatAmount('4990000', 6); // '4.99' (USDC has 6 decimals)const minUnits = parseAmount('4.99', 6); // '4990000'console.log(`${shown} USDC = ${minUnits} minimal units`);

# Amounts in a token's smallest unit are decimal strings: never convert them through a float.shown = qbitflow.format_amount("4990000", 6)  # "4.99" (6 decimals, like USDC)min_units = qbitflow.parse_amount("4.99", 6)  # "4990000"print(shown, min_units)

// Exact decimal arithmetic on strings, never floats. USDC has 6 decimals.display, err := qbitflow.FormatAmount("4990000", 6)if err != nil {	log.Fatal(err)}fmt.Println(display, "USDC") // 4.99 USDC minUnits, err := qbitflow.ParseAmount("4.99", 6) // more than 6 decimals is a *ValidationErrorif err != nil {	log.Fatal(err)}fmt.Println(minUnits) // 4990000 // From a payment: payment.Currency.FormatAmount(payment.AmountMinUnits)

// Amounts in a token's smallest unit are decimal strings: convert them exactly, never through floats.$display = \QBitFlow\Support\Amount::format('4990000', 6); // "4.99" (USDC has 6 decimals)$minUnits = \QBitFlow\Support\Amount::parse('4.99', 6);     // "4990000"echo "{$display} USDC = {$minUnits} min units\n";