Create AvalancheBridge.js

blockchain_integration/pi_network/pi-network-interoperability/bridge-contracts/avalanche/AvalancheBridge.js

@@ -0,0 +1,39 @@
+const avalanche = require("avalanche-js");
+const Web3 = require("web3");
+const AvalancheBridgeContract = require("./AvalancheBridge.sol");
+
+class AvalancheBridge {
+    constructor(avalancheAddress, piNetworkAddress, avalancheBridgeContractAddress) {
+        this.avalancheAddress = avalancheAddress;
+        this.piNetworkAddress = piNetworkAddress;
+        this.avalancheBridgeContractAddress = avalancheBridgeContractAddress;
+        this.avalanche = avalanche;
+        this.web3 = new Web3(new Web3.providers.HttpProvider("https://api.avax.network/ext/bc/C/rpc"));
+    }
+
+    async transferTokens(token, amount) {
+        const txCount = await this.web3.eth.getTransactionCount(this.avalancheAddress);
+        const tx = {
+            from: this.avalancheAddress,
+            to: this.piNetworkAddress,
+            value: amount,
+            gas: "20000",
+            gasPrice: "20.0",
+            nonce: txCount
+        };
+        const signedTx = await this.web3.eth.accounts.signTransaction(tx, "YOUR_PRIVATE_KEY");
+        await this.web3.eth.sendSignedTransaction(signedTx.rawTransaction);
+    }
+
+    async getBalance(token) {
+        const balance = await this.avalanche.getBalance(this.avalancheAddress, token);
+        return balance;
+    }
+
+    async getAvalancheBridgeContract() {
+        const contract = new this.web3.eth.Contract(AvalancheBridgeContract.abi, this.avalancheBridgeContractAddress);
+        return contract;
+    }
+}
+
+module.exports = AvalancheBridge;