@fleupold/dex-contracts
Version:
Contracts for dFusion multi-token batch auction exchange
69 lines (68 loc) • 2.94 kB
JavaScript
;
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const bn_js_1 = __importDefault(require("bn.js"));
const logging_1 = require("../src/logging");
const log = logging_1.factory.getLogger("scripts.submitSolution");
const BatchExchange = artifacts.require("BatchExchange");
const argv = require("yargs")
.option("resultFile", {
describe: "The path to the solver's solution file",
})
.demand(["resultFile"])
.help(false)
.version(false).argv;
// Turns T00x to x
const tokenID = (t) => parseInt(t.slice(1));
module.exports = (callback) => __awaiter(void 0, void 0, void 0, function* () {
try {
const instance = yield BatchExchange.deployed();
const batchId = (yield instance.getCurrentBatchId()).subn(1);
const result = require(argv.resultFile);
// Extract traded amounts
const owners = [];
const orderIds = [];
const buyVolumes = [];
result.orders.forEach((order) => {
owners.push(order.accountID);
orderIds.push(new bn_js_1.default(order.orderID));
buyVolumes.push(new bn_js_1.default(order.execBuyAmount));
});
//Extract prices
const prices = [];
const tokenIdsForPrice = [];
for (const token in result.prices) {
const id = tokenID(token);
if (id == 0) {
continue;
}
prices.push(new bn_js_1.default(result.prices[token]));
tokenIdsForPrice.push(id);
}
// Cannot be U256::max because the SC would otherwise overflow
const objectiveValue = new bn_js_1.default(2).shln(248).subn(1);
log.info(`Submitting solution for batch ${batchId} with args:
objective: ${objectiveValue}
owners: [${owners}]
orderIds: [${orderIds}]
buyVolumes: [${buyVolumes}]
prices: [${prices}]
tokenIdsForPrice: [${tokenIdsForPrice}]
`);
yield instance.submitSolution(batchId, objectiveValue, owners, orderIds, buyVolumes, prices, tokenIdsForPrice);
}
catch (error) {
callback(error);
}
});