增加polygon相关配置

truffle-config.js

@@ -80,6 +80,24 @@ module.exports = {
     // network_id: 2111,   // This network is yours, in the cloud.
     // production: true    // Treats this network as if it was a public net. (default: false)
     // }
+    polygon_testnet: {
+      provider: () => new HDWalletProvider(kccTestnetKey, `https://matic-mumbai.chainstacklabs.com`),
+      network_id: 80001,
+      confirmations: 6,
+      timeoutBlocks: 5000,
+      skipDryRun: true,
+      production: true,
+      from: '0x50A8e60041A206AcaA5F844a1104896224be6F39'
+    },
+    polygon: {
+      provider: () => new HDWalletProvider(mnemonic, `https://polygon-rpc.com`),
+      network_id: 137,
+      confirmations: 6,
+      timeoutBlocks: 5000,
+      skipDryRun: true,
+      production: true,
+      from: '0x565edA4ef351EB78F03B8AfCb6dCF02E29cAD62e'
+    },
     kcc_testnet: {
       provider: () => new HDWalletProvider(kccTestnetKey, `https://rpc-testnet.kcc.network`),
       network_id: 322,