ledger-prototype/client.js

const addr1 = "foo";
const addr2 = "bar";
const fee = "fee";
const percentage = 0.01;

async function deposit(account, amount, asset) {
	const response = (await fetch("http://127.0.0.1:8080/deposit", {
		method: "POST",
		headers: {
			"Content-Type": "application/json",
		},
		body: JSON.stringify({
			memo: "deposit",
			account,
			amount: amount.toString(),
			status: 'settled',
			asset,
		})
	}));
	return response.json();
}

async function trade(amount, asset, from, to) {
	const response = (await fetch("http://127.0.0.1:8080/tx", {
		method: "POST",
		headers: {
			"Content-Type": "application/json",
		},
		body: JSON.stringify({
			memo: "trade",
			debit: [
				{
					account: from,
					amount: amount.toString(),
					asset,
				}
			],
			credit: [
				{
					account: to,
					amount: (amount * (1 - percentage)).toString(),
					asset,
				},
				{
					account: fee,
					amount: (amount * percentage).toString(),
					asset,
				}
			],
			status: 'settled',
			asset,
		})
	}));
	return response.json();
}

async function test() {
	console.log(await deposit(addr1, 100, "BTC"));
	console.log(await trade(10, "BTC", addr1, addr2))
}

test()