tech debt jubilee

1 files changed, 0 insertions, 160 deletions

diff --git a/lib/buildliquidtx.js b/lib/buildliquidtx.js
deleted file mode 100644
index 4aad18f4..00000000
--- a/lib/buildliquidtx.js
+++ /dev/null
@@ -1,160 +0,0 @@
-import config from "$config";
-import db from "$db";
-import store from "./store";
-import { prod } from "./utils";
-import axios from "axios";
-import liquid from "liquidjs-lib";
-import coinselect from "coinselect";
-import split from "coinselect/split";
-const api = prod
-  ? "https://blockstream.info/liquid/api"
-  : "http://localhost:3002";
-const SATS = 100000000;
-const network = prod ? liquid.networks["liquid"] : liquid.networks["regtest"];
-import { Op } from "@sequelize/core";
-
-export default async ({
-  address,
-  asset,
-  amount,
-  feeRate,
-  replaceable,
-  user
-}) => {
-  const { btcasset: btc } = config.liquid;
-
-  if (!feeRate) {
-    let { feerate } = await lq.estimateSmartFee(6);
-    if (!feerate) feerate = 0.00002;
-    feeRate = feerate * SATS;
-  }
-  feeRate = Math.round(feeRate / 100);
-  if (asset !== btc) feeRate = 0;
-
-  let payments;
-  if (asset === btc) {
-    payments = await db.Payment.findAll({
-      where: {
-        received: true,
-        account_id: user.account_id,
-        network: "liquid"
-      }
-    });
-  } else {
-    payments = await db.Payment.findAll({
-      where: {
-        "$account.pubkey": { [Op.ne]: null },
-        received: true,
-        user_id: user.id,
-        network: "liquid"
-      },
-      include: {
-        model: db.Account,
-        as: "account"
-      }
-    });
-  }
-
-  let utxos = [];
-  for (let i = 0; i < payments.length; i++) {
-    let url = `${api}/address/${payments[i].address}/utxo`;
-    try {
-      utxos.push(...(await axios.get(url)).data);
-    } catch (e) {
-      err("problem fetching utxos", e.message, url);
-    }
-  }
-
-  let feeInput = utxos.find(utxo => utxo.asset === btc && utxo.value > 1000);
-  if (!feeInput)
-    throw new Error(
-      "Insufficient balance, couldn't find an input to cover the fee"
-    );
-
-  utxos = utxos.filter(utxo => utxo.asset === asset);
-
-  let feeChange = feeInput.value - 1000;
-
-  let targets = [
-    {
-      address,
-      value: amount
-    }
-  ];
-
-  let { inputs, outputs, fee } = coinselect(utxos, targets, feeRate);
-  if (!inputs || !outputs) {
-    l(
-      "utxos",
-      amount,
-      feeRate,
-      utxos.map(u => u.value),
-      inputs,
-      outputs,
-      fee
-    );
-
-    throw new Error(
-      "Couldn't find inputs for transaction, check your balance/fee"
-    );
-  }
-
-  let psbt = new liquid.Psbt({ network });
-  let total = 0;
-
-  let { address: changeAddress } = payments[payments.length - 1];
-
-  outputs.map(({ address, value }) => {
-    total += value;
-    if (!address) {
-      address = changeAddress;
-      store.change.push(address);
-    }
-
-    psbt = psbt.addOutput({
-      address,
-      asset,
-      value
-    });
-  });
-
-  for (let i = 0; i < inputs.length; i++) {
-    let { txid, vout } = inputs[i];
-    psbt = psbt.addInput({
-      hash: txid,
-      index: vout,
-      nonWitnessUtxo: Buffer.from((await lq.getTransaction(txid)).hex, "hex")
-    });
-  }
-
-  if (asset !== btc) {
-    psbt.addInput({
-      hash: feeInput.txid,
-      index: feeInput.vout,
-      nonWitnessUtxo: Buffer.from(
-        await lq.getTransaction(feeInput.txid).hex,
-        "hex"
-      )
-    });
-
-    psbt.addOutput({
-      changeAddress,
-      asset: btc,
-      value: feeChange
-    });
-  }
-
-  psbt.addOutput({
-    asset: btc,
-    script: Buffer.alloc(0),
-    value: fee,
-    nonce: Buffer.alloc(1, 0)
-  });
-
-  if (replaceable) psbt.setInputSequence(0, 0xffffffff - 2);
-
-  feeRate = Math.round(feeRate * 1000);
-  psbt = psbt.toBase64();
-
-  return { tx: psbt, feeRate };
-};