dotwallet/src/dwCom.ts

A DotWallet helper library

const md5 = require("md5");
const crypto = require("crypto");

export enum SupportCoinType {
    BTC = "BTC",
    BSV = "BSV",
    ETH = "ETH"
}

export interface Vout{
    address:string;
    amount:number;
}

export interface DotWalletResult {
    code:number;
    msg:string;
    data:any;
} 

export interface MircoOrderInformation{
    order_sn:string;
    pay_txid:string;
}

export interface DepositBalance{
    confirm:number;
    unconfirm:number;
    totalSize:number;
    totalCount:number;
    totalFee:number;
}

export interface PushChainResult{
    orderID:string;
    txID:string;
    fee:number;
}

export interface DepositAccount{
    coinType:string;
    usage:string;
    address:string;
}

export class DWError extends Error {
    public code:number;
    constructor(code:number, msg?:string) {
    super(msg)
    this.name = 'DotWalletError';
    }
};

export function CreateSignature(queryData:any, app_secret:string):string{
    let str = "";
    const secret = md5(app_secret);

    for (let key in queryData) {
      if (key != "sign" && key !="opreturn" ) {
        if (str) {
          str += "&" + key + "=" + queryData[key];
        } else {
          str = key + "=" + queryData[key];
        }
      }
    }
    str += "&secret=" + secret;
    str = str.toUpperCase();
    const sign = crypto
      .createHmac("sha256", secret)
      .update(str, "utf8")
      .digest("hex");
  
    return sign;
}