Merge pull request #37 from helix-bridge/xiaoch05-support-moonwell

support moonwell on moonbeam

src/abi/moonwellOracle.ts

@@ -0,0 +1,188 @@
+export const moonwellOracle = [
+  {
+    inputs: [{ internalType: "string", name: "_nativeToken", type: "string" }],
+    payable: false,
+    stateMutability: "nonpayable",
+    type: "constructor",
+  },
+  {
+    anonymous: false,
+    inputs: [
+      {
+        indexed: false,
+        internalType: "address",
+        name: "feed",
+        type: "address",
+      },
+      {
+        indexed: false,
+        internalType: "string",
+        name: "symbol",
+        type: "string",
+      },
+    ],
+    name: "FeedSet",
+    type: "event",
+  },
+  {
+    anonymous: false,
+    inputs: [
+      {
+        indexed: false,
+        internalType: "address",
+        name: "oldAdmin",
+        type: "address",
+      },
+      {
+        indexed: false,
+        internalType: "address",
+        name: "newAdmin",
+        type: "address",
+      },
+    ],
+    name: "NewAdmin",
+    type: "event",
+  },
+  {
+    anonymous: false,
+    inputs: [
+      {
+        indexed: false,
+        internalType: "address",
+        name: "asset",
+        type: "address",
+      },
+      {
+        indexed: false,
+        internalType: "uint256",
+        name: "previousPriceMantissa",
+        type: "uint256",
+      },
+      {
+        indexed: false,
+        internalType: "uint256",
+        name: "requestedPriceMantissa",
+        type: "uint256",
+      },
+      {
+        indexed: false,
+        internalType: "uint256",
+        name: "newPriceMantissa",
+        type: "uint256",
+      },
+    ],
+    name: "PricePosted",
+    type: "event",
+  },
+  {
+    constant: true,
+    inputs: [],
+    name: "admin",
+    outputs: [{ internalType: "address", name: "", type: "address" }],
+    payable: false,
+    stateMutability: "view",
+    type: "function",
+  },
+  {
+    constant: true,
+    inputs: [{ internalType: "address", name: "asset", type: "address" }],
+    name: "assetPrices",
+    outputs: [{ internalType: "uint256", name: "", type: "uint256" }],
+    payable: false,
+    stateMutability: "view",
+    type: "function",
+  },
+  {
+    constant: true,
+    inputs: [{ internalType: "string", name: "symbol", type: "string" }],
+    name: "getFeed",
+    outputs: [
+      {
+        internalType: "contract AggregatorV2V3Interface",
+        name: "",
+        type: "address",
+      },
+    ],
+    payable: false,
+    stateMutability: "view",
+    type: "function",
+  },
+  {
+    constant: true,
+    inputs: [
+      { internalType: "contract MToken", name: "mToken", type: "address" },
+    ],
+    name: "getUnderlyingPrice",
+    outputs: [{ internalType: "uint256", name: "", type: "uint256" }],
+    payable: false,
+    stateMutability: "view",
+    type: "function",
+  },
+  {
+    constant: true,
+    inputs: [],
+    name: "isPriceOracle",
+    outputs: [{ internalType: "bool", name: "", type: "bool" }],
+    payable: false,
+    stateMutability: "view",
+    type: "function",
+  },
+  {
+    constant: true,
+    inputs: [],
+    name: "nativeToken",
+    outputs: [{ internalType: "bytes32", name: "", type: "bytes32" }],
+    payable: false,
+    stateMutability: "view",
+    type: "function",
+  },
+  {
+    constant: false,
+    inputs: [{ internalType: "address", name: "newAdmin", type: "address" }],
+    name: "setAdmin",
+    outputs: [],
+    payable: false,
+    stateMutability: "nonpayable",
+    type: "function",
+  },
+  {
+    constant: false,
+    inputs: [
+      { internalType: "address", name: "asset", type: "address" },
+      { internalType: "uint256", name: "price", type: "uint256" },
+    ],
+    name: "setDirectPrice",
+    outputs: [],
+    payable: false,
+    stateMutability: "nonpayable",
+    type: "function",
+  },
+  {
+    constant: false,
+    inputs: [
+      { internalType: "string", name: "symbol", type: "string" },
+      { internalType: "address", name: "feed", type: "address" },
+    ],
+    name: "setFeed",
+    outputs: [],
+    payable: false,
+    stateMutability: "nonpayable",
+    type: "function",
+  },
+  {
+    constant: false,
+    inputs: [
+      { internalType: "contract MToken", name: "mToken", type: "address" },
+      {
+        internalType: "uint256",
+        name: "underlyingPriceMantissa",
+        type: "uint256",
+      },
+    ],
+    name: "setUnderlyingPrice",
+    outputs: [],
+    payable: false,
+    stateMutability: "nonpayable",
+    type: "function",
+  },
+];

src/base/contract.ts

@@ -20,6 +20,11 @@ export interface SoftLimitAmount {
   allowance: bigint;
 }
 
+export interface MulticallArgs {
+  address: string;
+  data: string;
+}
+
 export class EthereumContract {
   protected contract: Contract;
   public address: string;
@@ -858,4 +863,15 @@ export class MulticallContract extends EthereumContract {
     }
     return result;
   }
+
+  async aggregate(args: MulticallArgs[]): Promise<string> {
+    const aggregateArgs = args.map((arg) => [arg.address, arg.data]);
+    let result = await this.staticCall(
+      "aggregate",
+      [aggregateArgs],
+      true,
+      null
+    );
+    return result;
+  }
 }

src/dataworker/dataworker.service.ts

@@ -198,7 +198,8 @@ export class DataworkerService implements OnModuleInit {
       totalWithdrawAmount += BigInt(record.sendAmount);
       transferIds.push(last(record.id.split("-")));
     }
-    const withdrawAmountAvailable = Number(totalWithdrawAmount) / Number((new Any(1, decimals)).Number);
+    const withdrawAmountAvailable =
+      Number(totalWithdrawAmount) / Number(new Any(1, decimals).Number);
 
     if (transferIds.length === 0) return null;
 

src/liquidity/lend/aave.ts

@@ -1,13 +1,20 @@
 import { Logger } from "@nestjs/common";
 import { Wallet, HDNodeWallet, ethers } from "ethers";
-import { AaveOracle, AaveL2Pool } from "./contract";
+import { AaveOracle, AaveL2Pool } from "./aave.contract";
 import {
   MulticallContract,
   zeroAddress,
   WETHContract,
   Erc20Contract,
 } from "../../base/contract";
-import { LendMarket, TxInfo, WithdrawBorrowBalance } from "./market";
+import {
+  LendMarket,
+  TxInfo,
+  WithdrawBorrowBalance,
+  DebtStatus,
+  CollateralStatus,
+  maxU256,
+} from "./market";
 import {
   LendTokenInfo,
   CollateralInfo,
@@ -67,20 +74,6 @@ export interface AddressBook {
   chains: ChainInfo[];
 }
 
-export enum DebtStatus {
-  HasDebt,
-  NoDebt,
-}
-
-export enum CollateralStatus {
-  CollateralFull,
-  CollateralLack,
-}
-
-export const maxU256: bigint = BigInt(
-  "0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"
-);
-
 export class AddressBookConfigure {
   formalConfigure: AddressBook = {
     version: "v3",
@@ -499,7 +492,9 @@ export class Aave extends LendMarket {
         (dt) => dt.symbol == token.symbol
       );
       if (tokenInfo === undefined) {
-          throw new Error(`[Lend] DebtToken not exist symbol ${token.symbol}, chain ${chainName}`);
+        throw new Error(
+          `[Lend] DebtToken not exist symbol ${token.symbol}, chain ${chainName}`
+        );
       }
       //const collateralInfo = collaterals.find((c) => c.symbol === token.symbol);
       return {
@@ -929,8 +924,4 @@ export class Aave extends LendMarket {
     }
     return txs;
   }
-
-  address(): string {
-    return this.poolContract.address;
-  }
 }

src/liquidity/lend/market.ts

@@ -9,14 +9,27 @@ export interface WithdrawBorrowBalance {
   borrow: bigint;
 }
 
+export enum DebtStatus {
+  HasDebt,
+  NoDebt,
+}
+
+export enum CollateralStatus {
+  CollateralFull,
+  CollateralLack,
+}
+
+export const maxU256: bigint = BigInt(
+  "0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"
+);
+
 export abstract class LendMarket {
   public name: string;
   public wrappedToken: string;
   constructor(name: string, wtoken: string) {
     this.name = name;
     this.wrappedToken = wtoken;
   }
-  abstract address(): string;
   abstract lendingFromPoolTxs(
     token: string,
     amount: bigint,