descent-js
Version:
A Typescript library for interacting with the Descent Protocol
163 lines (162 loc) • 4.59 kB
JavaScript
// src/index.ts
import { ethers } from "ethers";
import { IMode } from "./types.mjs";
import { SupportedNetwork } from "./contracts/types.mjs";
import ContractManager from "./contracts.mjs";
import { waitTime } from "./libs/utils.mjs";
import {
burnCurrency,
collateralizeVault,
mintCurrency,
withdrawCollateral
} from "./services/vault.mjs";
import { Transaction } from "./libs/transactions.mjs";
import { Internal } from "./libs/internal.mjs";
import { getContractAddress } from "./contracts/getContractAddresses.mjs";
import { getCollateralData, getVault } from "./services/getters.mjs";
var DescentClass = class {
constructor(signer, provider, collateral, contracts, configMode, chainId) {
// Extensions
this.internal = new Internal(this);
this.transaction = new Transaction(this);
this.provider = provider;
this.signer = signer;
this.collateral = collateral;
this.contracts = contracts;
this.configMode = configMode;
this.chainId = chainId;
}
/**
* @dev Gets a vault detail by it's ID
* @param ownerAddress Vault owner
* @returns The Vault information
*/
async getVaultInfo(ownerAddress) {
const result = await getVault(
this.collateral,
ownerAddress,
this.chainId,
this.contracts,
this.internal
);
return result;
}
/**
* @dev Gets the information of collateral initialized in `create()`
* @returns The collateral information
*/
async getCollateralInfo() {
const result = await getCollateralData(
this.collateral,
this.chainId,
this.contracts
);
return result;
}
/**
* @dev borrow xNGN against deposited USDC
* @param amount amount of xNGN to borrow
* @returns transaction obj
*/
async borrowCurrency(borrowAmount) {
const owner = await this.signer.getAddress();
const result = await mintCurrency(
borrowAmount,
this.collateral,
owner,
this.chainId,
this.transaction,
this.internal,
this.contracts
);
return result;
}
/**
* @dev repay borrowed xNGN for a particular vault
* @param amount amount of xNGN to repay
* @returns transaction obj
*/
async repayCurrency(amount) {
const owner = await this.signer.getAddress();
const result = await burnCurrency(
amount,
this.collateral,
owner,
this.chainId,
this.transaction,
this.internal,
this.contracts
);
return result;
}
/**
* @dev withdraw usdc for a particular vault
* @param collateralAmount amount of unlocked collateral to withdraw
* @returns transaction obj
*/
async withdrawCollateral(collateralAmount) {
const owner = await this.signer.getAddress();
const result = await withdrawCollateral(
collateralAmount,
this.collateral,
owner,
this.chainId,
this.transaction,
this.internal,
this.contracts
);
return result;
}
/**
* @dev deposit usdc for a particular vault
* @param collateralAmount amount of unlocked collateral to withdraw
* @param ownerAddress owner of the vault which should be the caller
* @returns transaction obj
*/
async depositCollateral(collateralAmount) {
const owner = await this.signer.getAddress();
const result = await collateralizeVault(
collateralAmount,
this.collateral,
owner,
this.chainId,
this.transaction,
this.internal
);
return result;
}
};
async function create(mode, options) {
if (!options.collateral) {
throw new Error("Missing required options");
}
let provider;
let signer;
if (mode == IMode.https) {
provider = new ethers.JsonRpcProvider(options?.rpcUrl);
signer = new ethers.Wallet(options.privateKey, provider);
}
if (mode == IMode.browser) {
provider = new ethers.BrowserProvider(options?.ethereum);
signer = await provider?.getSigner();
}
const chainId = (await provider.getNetwork()).chainId.toString(10);
if (![chainId].includes(SupportedNetwork.GOERLI)) {
throw new Error(`chainId '${chainId}' is not supported.`);
}
const contracts = new ContractManager(signer);
const descent = new DescentClass(signer, provider, options.collateral, contracts, mode, chainId);
const vaultRouter = getContractAddress("VaultRouter")[chainId];
const relyResponse = (await contracts.getVaultContract()).rely(vaultRouter);
(await relyResponse).wait();
await waitTime(50);
return descent;
}
var Descent = {
create
};
var src_default = Descent;
export {
DescentClass,
src_default as default
};