127 lines
4.2 KiB
TypeScript
127 lines
4.2 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 { EVM, getDefaultWeb3 } from "./EVM";
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import Web3 from "web3";
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import { Contract } from "web3-eth-contract";
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import BigNumber from "bignumber.js";
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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 * 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 DODOContextInitConfig {
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lpFeeRate: string,
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mtFeeRate: string,
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k: 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 DefaultDODOContextInitConfig = {
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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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gasPriceLimit: gweiStr("100"),
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}
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export class DODOContext {
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EVM: EVM
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Web3: Web3
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DODO: Contract
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DODOZoo: Contract
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BASE: Contract
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BaseCapital: Contract
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QUOTE: Contract
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QuoteCapital: Contract
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ORACLE: Contract
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Deployer: string
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Supervisor: 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: DODOContextInitConfig) {
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this.EVM = new EVM
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this.Web3 = getDefaultWeb3()
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this.DODOZoo = await contracts.newContract(contracts.DODO_ZOO_CONTRACT_NAME)
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this.BASE = await contracts.newContract(contracts.TEST_ERC20_CONTRACT_NAME)
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this.QUOTE = await contracts.newContract(contracts.TEST_ERC20_CONTRACT_NAME)
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this.ORACLE = await contracts.newContract(contracts.NAIVE_ORACLE_CONTRACT_NAME)
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const allAccounts = await this.Web3.eth.getAccounts();
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this.Deployer = allAccounts[0]
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this.Supervisor = allAccounts[1]
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this.Maintainer = allAccounts[2]
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this.spareAccounts = allAccounts.slice(3, 10)
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await this.DODOZoo.methods.breedDODO(
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this.Supervisor,
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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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this.ORACLE.options.address,
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config.lpFeeRate,
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config.mtFeeRate,
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config.k,
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config.gasPriceLimit
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).send(this.sendParam(this.Deployer))
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this.DODO = contracts.getContractWithAddress(contracts.DODO_CONTRACT_NAME, await this.DODOZoo.methods.getDODO(this.BASE.options.address, this.QUOTE.options.address).call())
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this.BaseCapital = contracts.getContractWithAddress(contracts.DODO_LP_TOKEN_CONTRACT_NAME, await this.DODO.methods._BASE_CAPITAL_TOKEN_().call())
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this.QuoteCapital = contracts.getContractWithAddress(contracts.DODO_LP_TOKEN_CONTRACT_NAME, await this.DODO.methods._QUOTE_CAPITAL_TOKEN_().call())
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console.log(log.blueText("[Init dodo 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 setOraclePrice(price: string) {
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await this.ORACLE.methods.setPrice(price).send(this.sendParam(this.Deployer))
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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.mint(to, quote).send(this.sendParam(this.Deployer))
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}
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async approveDODO(account: string) {
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await this.BASE.methods.approve(this.DODO.options.address, MAX_UINT256).send(this.sendParam(account))
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await this.QUOTE.methods.approve(this.DODO.options.address, MAX_UINT256).send(this.sendParam(account))
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}
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}
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export async function getDODOContext(config: DODOContextInitConfig = DefaultDODOContextInitConfig): Promise<DODOContext> {
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var context = new DODOContext()
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await context.init(config)
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return context
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} |