增加查询crypto兑换美元价格的接口

.env.development

@@ -17,3 +17,7 @@ ALCHEMY_APP_SECRET="4Yn8RkxDXN71Q3p0"
 ALCHEMY_API_BASE="https://openapi-test.alchemypay.org"
 ALCHEMY_PAGE_BASE="https://ramptest.alchemypay.org"
 ALCHEMY_PAY_CB_URL="https://wallet.cebggame.com"
+
+
+#cryptocompare api key from metamask^_^
+CRYPTOCOMPARE_API_KEY=d1ec8cd68228095debc9db2dca45771b905ce1f27f522ebfef025c236f4aef3b

src/api.server.ts

@@ -7,6 +7,7 @@ import logger from 'logger/logger'
 import config from 'config/config'
 import { ConnectOptions } from 'mongoose'
 import CodeTaskSchedule from 'schedule/codetask.schedule'
+import { PriceSvr } from 'service/price.svr'
 
 const zReqParserPlugin = require('plugins/zReqParser')
 
@@ -87,6 +88,7 @@ export class ApiServer {
 
   initSchedules() {
     new CodeTaskSchedule().scheduleAll()
+    new PriceSvr().scheduleAll()
   }
 
   async connectDB() {
@@ -131,8 +133,8 @@ export class ApiServer {
   /**
    * 格式化接口返回数据, 统一封装成如下格式
    * {
-   *     code: 0,
-   *     msg?: '',
+   *     errcode: 0,
+   *     errmsg?: '',
    *     data: any
    * }
    * @private
@@ -142,6 +144,12 @@ export class ApiServer {
       reply.header('X-Powered-By', 'PHP/5.4.16')
       // @ts-ignore
       if (!payload.errcode) {
+        // @ts-ignore
+        if (payload.direct) {
+          // @ts-ignore
+          delete payload.direct
+          return payload
+        }
         payload = {
           errcode: 0,
           data: payload,

src/controllers/alchemy.controller.ts

@@ -1,12 +1,13 @@
 import logger from 'logger/logger'
-import BaseController, { ROLE_ANON } from 'common/base.controller'
+import BaseController from 'common/base.controller'
 import { ZError } from 'common/ZError'
-import { role, router } from 'decorators/router'
-import { checkPayResultSign, createPageSign, refreshToken } from 'service/alchemy.svr'
+import { router } from 'decorators/router'
+import { createPageSign, queryPrice, refreshToken } from 'service/alchemy.svr'
 import { generateKVStr } from 'utils/net.util'
 import { PayRecord, PayStatus } from 'modules/PayRecord'
+import { PriceSvr } from 'service/price.svr'
 
-const CALL_BACK_URL = `${process.env.ALCHEMY_PAY_CB_URL}/pay/alchemy/cb`
+const CALL_BACK_URL = `${process.env.ALCHEMY_PAY_CB_URL}/pay/out/alchemy/buycb`
 class AlchemyController extends BaseController {
   @router('post /pay/alchemy/buy')
   async beginPay(req, res) {
@@ -19,7 +20,6 @@ class AlchemyController extends BaseController {
       throw new ZError(10, 'fetch pay token error')
     }
     const { id, email, accessToken } = tokenResult.data
-    const redirectUrl = ''
     let record = new PayRecord({ account: user.id, address, chain, currency })
     await record.save()
     const merchantOrderNo = record.id
@@ -47,36 +47,18 @@ class AlchemyController extends BaseController {
     return { url }
   }
 
-  @role(ROLE_ANON)
-  @router('post /pay/alchemy/cb')
-  async alchemyCallback(req, res) {
-    let { orderNo, status, crypto, network, merchantOrderNo } = req.params
-    if (!merchantOrderNo) {
-      logger.info(`alchemy callback merchantOrderNo not found`)
-      throw new ZError(11, 'alchemy callback merchantOrderNo not found')
+  @router('post /pay/alchemy/crypto_price')
+  async queryCryptoPrice(req, res) {
+    let { token, chain, currency } = req.params
+    if (!token || !chain) {
+      throw new ZError(11, 'token or network not found')
     }
-    let record = await PayRecord.findById(merchantOrderNo)
-    if (!record) {
-      logger.info(`alchemy callback record not found`)
-      throw new ZError(12, 'alchemy callback record not found')
+    let data = {
+      crypto: token,
+      network: chain,
+      fiat: currency || 'USD',
     }
-    if (record.status !== PayStatus.PENDING) {
-      logger.info(`alchemy callback record status error`)
-      throw new ZError(13, 'alchemy callback record status error')
-    }
-    if (!checkPayResultSign(req.params)) {
-      logger.info(`alchemy callback sign error`)
-      record.status = PayStatus.FAIL
-      await record.save()
-      throw new ZError(14, 'alchemy callback sign error')
-    }
-
-    record.outOrderId = orderNo
-    record.chain = network
-    record.currency = crypto
-    record.outData = req.params
-    record.status = status == 'PAY_SUCCESS' ? PayStatus.SUCCESS : PayStatus.FAIL
-    await record.save()
-    return {}
+    let result = await new PriceSvr().fetchPrice(data)
+    return { price: result }
   }
 }

src/controllers/alchemyout.controller.ts

@@ -0,0 +1,91 @@
+
+import logger from 'logger/logger'
+import BaseController, { ROLE_ANON } from 'common/base.controller'
+import { ZError } from 'common/ZError'
+import { role, router } from 'decorators/router'
+import { checkPayResultSign  } from 'service/alchemy.svr'
+import { PayRecord, PayStatus } from 'modules/PayRecord'
+/**
+ * for Alchemy call
+ */
+class AlchemyOutController extends BaseController {
+  @role(ROLE_ANON)
+  @router('post /pay/out/alchemy/buycb')
+  async alchemyCallback(req, res) {
+    let { orderNo, status, crypto, network, merchantOrderNo } = req.params
+    if (!merchantOrderNo) {
+      logger.info(`alchemy callback merchantOrderNo not found`)
+      throw new ZError(11, 'alchemy callback merchantOrderNo not found')
+    }
+    let record = await PayRecord.findById(merchantOrderNo)
+    if (!record) {
+      logger.info(`alchemy callback record not found`)
+      throw new ZError(12, 'alchemy callback record not found')
+    }
+    if (record.status !== PayStatus.PENDING) {
+      logger.info(`alchemy callback record status error`)
+      throw new ZError(13, 'alchemy callback record status error')
+    }
+    if (!checkPayResultSign(req.params)) {
+      logger.info(`alchemy callback sign error`)
+      record.status = PayStatus.FAIL
+      await record.save()
+      throw new ZError(14, 'alchemy callback sign error')
+    }
+
+    record.outOrderId = orderNo
+    record.chain = network
+    record.currency = crypto
+    record.outData = req.params
+    record.status = status == 'PAY_SUCCESS' ? PayStatus.SUCCESS : PayStatus.FAIL
+    await record.save()
+    return {}
+  }
+
+  /**
+   * 向商户查询币价
+   * TODO::
+   */
+  @role(ROLE_ANON)
+  @router('get /pay/out/alchemy/queryprice')
+  async queryToken(req, res) {
+    const { crypto } = req.params
+    const { appId, timestamp, sign } = req.headers
+    let result = {
+      direct: 1,
+      data: {
+        price: "1.0",
+        networkList: [
+          {
+            network: "ETH",
+            networkFee: "1.21"
+          }
+        ]
+      }, 
+      success: true,
+      returnCode: "0000", // false: 9999
+      returnMsg: "in amet",
+    }
+    return result
+  }
+
+  /**
+   * 通知商户打币
+   * TODO::
+   */
+  @role(ROLE_ANON)
+  @router('post /pay/out/alchemy/distribute')
+  async distributeToken(req, res) {
+    const { appId, timestamp, sign } = req.headers
+    const { orderNo, crypto, network, address, cryptoAmount, cryptoPrice, usdtAmount } = req.params
+    let result = {
+      direct: 1,
+      data: null, 
+      success: true,
+      returnCode: "0000", // false: 9999
+      returnMsg: "in amet",
+    }
+    res.send(result)
+  }
+
+}

src/service/alchemy.svr.ts

@@ -72,7 +72,10 @@ export async function refreshToken(email: string) {
   let response = await axios(config)
   return response.data
 }
-
+/**
+ * 创建订单
+ * https://alchemycn.readme.io/docs/创建订单
+ */
 export async function createOrder(token: string, data: any) {
   const { appid, timestamp, sign } = createSimpleSign()
   const host = process.env.ALCHEMY_API_BASE
@@ -91,3 +94,56 @@ export async function createOrder(token: string, data: any) {
   let response = await axios(config)
   return response.data
 }
+
+/**
+ * 更新订单状态
+ * 当您给用户转移token后，您需要通过此接口通知Alchemy打币的信息
+ * https://alchemycn.readme.io/docs/更新订单状态
+ * TODO:: test
+ */
+export async function updateOrderStatus(token: string, data: any) {
+  const { appid, timestamp, sign } = createSimpleSign()
+  const url = process.env.ALCHEMY_API_BASE + '/webhooks/treasure'
+  const config = {
+    method: 'post',
+    url,
+    headers: {
+      'Content-Type': 'application/json',
+      'access-token': token,
+      appId: appid,
+      sign: sign,
+      timestamp,
+    },
+    data,
+  }
+  let response = await axios(config)
+  return response.data
+}
+/**
+ * 查询数字货币币价
+ */
+export async function queryPrice(data: any) {
+  const { appid, timestamp, sign } = createSimpleSign()
+  let dataOrign = {
+    crypto: 'ETH',
+    network: 'ETH',
+    fiat: 'USD',
+    amount: '100',
+    payWayCode: '10001',
+    side: 'BUY',
+  }
+  dataOrign = { ...dataOrign, ...data }
+  const config = {
+    method: 'post',
+    url: process.env.ALCHEMY_API_BASE + '/merchant/order/quote',
+    headers: {
+      'Content-Type': 'application/json',
+      appId: appid,
+      sign,
+      timestamp,
+    },
+    data: dataOrign,
+  }
+  let response = await axios(config)
+  return response.data
+}

src/service/price.svr.ts

@@ -0,0 +1,65 @@
+import axios from 'axios'
+import { singleton } from 'decorators/singleton'
+import { queryPrice } from './alchemy.svr'
+import * as schedule from 'node-schedule'
+import logger from 'logger/logger'
+
+@singleton
+export class PriceSvr {
+  private priceMap: Map<string, string> = new Map()
+
+  public async queryEthPrice(eth: string) {
+    const usd = 'USD'
+    const apiKey = process.env.CRYPTOCOMPARE_API_KEY
+    const url = `https://min-api.cryptocompare.com/data/price?fsym=${eth}&tsyms=${usd}&api_key=${apiKey}`
+    let priceData = await axios.get(url).then(res => res.data)
+    let price = priceData[usd] + ''
+    return price
+  }
+
+  public async fetchPrice(data: any) {
+    let { crypto, network, fiat } = data
+    let key = `${crypto}_${network}_${fiat}`
+    let price = this.priceMap.get(key)
+    if (!price) {
+      await this.refreshOne(data)
+      price = this.priceMap.get(key)
+    }
+    return price
+  }
+
+  private async refreshOne(data) {
+    let { crypto, network, fiat } = data
+    let key = `${crypto}_${network}_${fiat}`
+    try {
+      let priceData = await queryPrice(data)
+      this.priceMap.set(key, priceData.data.cryptoPrice + '')
+    } catch (e) {
+      logger.debug('update eth price with alchemy error: ' + e.message || e)
+      try {
+        let price = await this.queryEthPrice(crypto)
+        this.priceMap.set(key, price + '')
+      } catch (e) {
+        logger.debug('update eth price with cryptocompare error: ' + e.message || e)
+      }
+    }
+  }
+
+  private async refreshAll() {
+    for (let key of this.priceMap.keys()) {
+      let [crypto, chain, fiat] = key.split('_')
+      let data = {
+        crypto,
+        network: chain,
+        fiat,
+      }
+      await this.refreshOne(data)
+    }
+  }
+
+  scheduleAll() {
+    const job = schedule.scheduleJob('*/30 * * * * *', async () => {
+      this.refreshAll()
+    })
+  }
+}