141 lines
4.4 KiB
TypeScript
141 lines
4.4 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, 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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}
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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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};
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export class DVMContext {
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EVM: EVM;
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Web3: Web3;
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DVM: 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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MtFeeRate: 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.DVM = await contracts.newContract(contracts.DVM_NAME)
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var lpFeeRateModel = await contracts.newContract(contracts.CONST_FEE_RATE_MODEL_NAME)
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var mtFeeRateModel = await contracts.newContract(contracts.CONST_FEE_RATE_MODEL_NAME)
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this.MtFeeRate = mtFeeRateModel.options.address
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var permissionManager = await contracts.newContract(contracts.PERMISSION_MANAGER_NAME)
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var gasPriceSource = await contracts.newContract(contracts.EXTERNAL_VALUE_NAME)
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this.BASE = await contracts.newContract(
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contracts.MINTABLE_ERC20_CONTRACT_NAME,
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["TestBase", "BASE", 18]
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);
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this.QUOTE = await contracts.newContract(
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contracts.MINTABLE_ERC20_CONTRACT_NAME,
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["TestQuote", "QUOTE", 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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await this.DVM.methods.init(
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// this.Deployer,
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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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0,
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mtFeeRateModel.options.address,
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// permissionManager.options.address,
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// gasPriceSource.options.address,
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config.i,
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config.k
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).send(this.sendParam(this.Deployer))
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await gasPriceSource.methods.initOwner(this.Deployer).send(this.sendParam(this.Deployer))
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await gasPriceSource.methods.set(MAX_UINT256).send(this.sendParam(this.Deployer))
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await lpFeeRateModel.methods.init(this.Deployer, config.lpFeeRate).send(this.sendParam(this.Deployer))
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await mtFeeRateModel.methods.init(this.Deployer, config.mtFeeRate).send(this.sendParam(this.Deployer))
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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 transferBaseToDVM(account: string, amount: string) {
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await this.BASE.methods.transfer(this.DVM.options.address, amount).send(this.sendParam(account))
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}
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async transferQuoteToDVM(account: string, amount: string) {
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await this.QUOTE.methods.transfer(this.DVM.options.address, amount).send(this.sendParam(account))
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}
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}
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export async function getDVMContext(
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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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