143 lines
4.3 KiB
TypeScript
143 lines
4.3 KiB
TypeScript
/*
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Copyright 2020 DODO ZOO.
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SPDX-License-Identifier: Apache-2.0
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*/
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import BigNumber from 'bignumber.js';
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import Web3 from 'web3';
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import { Contract } from 'web3-eth-contract';
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import * as contracts from './Contracts';
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import { decimalStr, gweiStr, MAX_UINT256 } from './Converter';
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import { EVM, getDefaultWeb3 } from './EVM';
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import * as log from './Log';
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BigNumber.config({
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EXPONENTIAL_AT: 1000,
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DECIMAL_PLACES: 80,
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});
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export interface DVMContextInitConfig {
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lpFeeRate: string;
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mtFeeRate: string;
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k: string;
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i: string;
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gasPriceLimit: string;
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}
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/*
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price curve when k=0.1
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+──────────────────────+───────────────+
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| purchase percentage | avg slippage |
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+──────────────────────+───────────────+
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| 1% | 0.1% |
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| 5% | 0.5% |
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| 10% | 1.1% |
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| 20% | 2.5% |
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| 50% | 10% |
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| 70% | 23.3% |
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+──────────────────────+───────────────+
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*/
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export let DefaultDVMContextInitConfig = {
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lpFeeRate: decimalStr("0.002"),
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mtFeeRate: decimalStr("0.001"),
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k: decimalStr("0.1"),
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i: decimalStr("100"),
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gasPriceLimit: gweiStr("100"),
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};
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export class DVMContext {
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EVM: EVM;
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Web3: Web3;
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Route: Contract;
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DVMFactory: Contract;
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DVM: Contract;
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Vault: Contract;
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BASE: Contract;
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QUOTE: Contract;
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Deployer: string;
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Maintainer: string;
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SpareAccounts: string[];
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constructor() { }
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async init(config: DVMContextInitConfig) {
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this.EVM = new EVM();
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this.Web3 = getDefaultWeb3();
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this.Route = await contracts.newContract(contracts.SMART_ROUTE_NAME)
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var cloneFactory = await contracts.newContract(
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contracts.CLONE_FACTORY_CONTRACT_NAME
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);
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var vaultTemplate = await contracts.newContract(contracts.DVM_VAULT_NAME)
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var controllerTemplate = await contracts.newContract(contracts.DVM_CONTROLLER_NAME)
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this.DVMFactory = await contracts.newContract(contracts.DVM_FACTORY_NAME, [cloneFactory.options.address, vaultTemplate.options.address, controllerTemplate.options.address])
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this.BASE = await contracts.newContract(
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contracts.TEST_ERC20_CONTRACT_NAME,
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["TestBase", 18]
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);
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this.QUOTE = await contracts.newContract(
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contracts.TEST_ERC20_CONTRACT_NAME,
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["TestQuote", 18]
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);
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const allAccounts = await this.Web3.eth.getAccounts();
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this.Deployer = allAccounts[0];
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this.Maintainer = allAccounts[1];
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this.SpareAccounts = allAccounts.slice(2, 10);
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var lpFeeRateModel = await contracts.newContract(contracts.NAIVE_FEE_RATE_MODEL_NAME, [config.lpFeeRate])
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var mtFeeRateModel = await contracts.newContract(contracts.NAIVE_FEE_RATE_MODEL_NAME, [config.mtFeeRate])
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var DVMAddress = this.DVMFactory.methods.createDODOVenderMachine(
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this.Maintainer,
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this.BASE.options.address,
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this.QUOTE.options.address,
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lpFeeRateModel.options.address,
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mtFeeRateModel.options.address,
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config.i,
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config.k,
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config.gasPriceLimit).send(this.sendParam(this.Deployer))
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this.DVM = contracts.getContractWithAddress(contracts.DVM_CONTROLLER_NAME, DVMAddress)
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console.log(log.blueText("[Init DVM context]"));
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}
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sendParam(sender, value = "0") {
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return {
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from: sender,
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gas: process.env["COVERAGE"] ? 10000000000 : 7000000,
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gasPrice: process.env.GAS_PRICE,
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value: decimalStr(value),
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};
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}
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async mintTestToken(to: string, base: string, quote: string) {
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await this.BASE.methods.mint(to, base).send(this.sendParam(this.Deployer));
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await this.QUOTE.methods
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.mint(to, quote)
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.send(this.sendParam(this.Deployer));
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}
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async approveRoute(account: string) {
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await this.BASE.methods
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.approve(this.Route.options.address, MAX_UINT256)
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.send(this.sendParam(account));
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await this.QUOTE.methods
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.approve(this.Route.options.address, MAX_UINT256)
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.send(this.sendParam(account));
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}
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}
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export async function getDODOContext(
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config: DVMContextInitConfig = DefaultDVMContextInitConfig
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): Promise<DVMContext> {
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var context = new DVMContext();
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await context.init(config);
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return context;
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}
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