From bdb994ce5e4e35e2f4fe1e14471c733b08920e42 Mon Sep 17 00:00:00 2001
From: akayi07 <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>
Date: Mon, 22 May 2023 16:06:12 +0800
Subject: [PATCH] refine to avoid generate blockNumber for pre-existing
 networks

---
 src/tools/init_BlockHeight.ts | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

diff --git a/src/tools/init_BlockHeight.ts b/src/tools/init_BlockHeight.ts
index 1c48e05..2e0c728 100644
--- a/src/tools/init_BlockHeight.ts
+++ b/src/tools/init_BlockHeight.ts
@@ -16,10 +16,17 @@ async function main() {
   }else{
     path = "blockNumberBeforeDeployment.json";
   }
+
+  let existingNetwork = new Array();
+  let blockNumberObject;
   if (fs.existsSync(path)) {
     console.error('WARNING: blockNumberBeforeDeployment.json already exist in current directory, please delete the previous one if you want to regenerate it');
-    process.exit(-1);
+    blockNumberObject = await fs.readJson(path);
+    for(var key in blockNumberObject) {
+      existingNetwork.push(key);
+    }
   }
+
   const { writeFileSync } = require('fs');
 
   interface bnInfo {
@@ -35,6 +42,9 @@ async function main() {
 
   try {
     for(let config of configs) {
+      if(existingNetwork.includes(config.deviceId)) {
+        continue;
+      }
       let web3 = getWeb3FromSource(config.rpcSource);
       await web3.eth.getBlockNumber(async function(err, result) {  
         if (err) {
@@ -44,7 +54,7 @@ async function main() {
         }
       });
     };
-    writeFileSync(path, JSON.stringify(latestBlock,null,2), 'utf8');
+    writeFileSync(path, JSON.stringify(Object.assign(blockNumberObject, latestBlock),null,2), 'utf8');
     console.log("Latest Block Number has been generated");
   } catch (err) {
     console.log('An error has occurred ', err);
@@ -60,4 +70,4 @@ function getWeb3FromSource(provider: string) {
     }
   }
 
-main()
\ No newline at end of file
+main()