some bugs fixed, add alph node method

src/confirm.js

@@ -1,4 +1,5 @@
 const Init = require("./init");
+const Times = require("../public/times");
 
 class Confirm extends Init {
     constructor(coin) {
@@ -28,13 +29,27 @@ class Confirm extends Init {
     // 查询当前最高成熟高度，即当前最新高度 - MAX_MATURE
     async query_maxture_height() {
         try {
-            const now_height = await this.node.getblockcount();
-            const max_height = Number(now_height) - this.MAX_MATURE;
-            if (!this.isPositiveInteger(max_height)) {
-                console.log(`当前节点最大高度为${now_height}, 当前成熟高度为${max_height}`);
-                return false;
+            if(this.coin !== "alph"){
+                const now_height = await this.node.getblockcount();
+                const max_height = Number(now_height) - this.MAX_MATURE;
+                if (!this.isPositiveInteger(max_height)) {
+                    console.log(`当前节点最大高度为${now_height}, 当前成熟高度为${max_height}`);
+                    return false;
+                } else {
+                    return max_height;
+                }
             } else {
-                return max_height;
+                const now = Date.now().valueOf()
+                const max_mature_time = now - this.MAX_MATURE * 60 * 1000
+                const ymd = Times.utcTime(max_mature_time)
+                const sql = `SELECT MAX(height) AS max_height FROM alph_blkreportprofitv2 WHERE date <= ? AND state = ?;`
+                const data = await this.distribution.exec(sql, [ymd, 0])
+                if(!data[0]){
+                    console.log(`alph当前时间没有需要更新的成熟区块`);
+                    return false
+                } else {
+                    return data[0].max_height
+                }
             }
         } catch (err) {
             throw err;