add upgrade scripts

contracts/network/BancorNetwork.sol

@@ -347,7 +347,7 @@ contract BancorNetwork is IBancorNetwork, Upgradeable, ReentrancyGuardUpgradeabl
      * @inheritdoc Upgradeable
      */
     function version() public pure override(IVersioned, Upgradeable) returns (uint16) {
-        return 9;
+        return 10;
     }
 
     /**
@@ -826,6 +826,7 @@ contract BancorNetwork is IBancorNetwork, Upgradeable, ReentrancyGuardUpgradeabl
 
         _pendingNetworkFeeAmount = 0;
 
+        // transferring bnt to the token's address burns the tokens
         _masterVault.withdrawFunds(Token(address(_bnt)), payable(address(_bnt)), currentPendingNetworkFeeAmount);
 
         emit NetworkFeesBurned(msg.sender, currentPendingNetworkFeeAmount);

deploy/scripts/000064-upgrade-network-v10.ts

@@ -0,0 +1,44 @@
+import { DeployedContracts, execute, InstanceName, setDeploymentMetadata, upgradeProxy } from '../../utils/Deploy';
+import { toWei } from '../../utils/Types';
+import { DeployFunction } from 'hardhat-deploy/types';
+import { HardhatRuntimeEnvironment } from 'hardhat/types';
+
+const func: DeployFunction = async ({ getNamedAccounts }: HardhatRuntimeEnvironment) => {
+    const { deployer, bancorArbitrageAddress, carbonPOLAddress } = await getNamedAccounts();
+
+    // get the deployed contracts
+    const externalProtectionVault = await DeployedContracts.ExternalProtectionVault.deployed();
+    const masterVault = await DeployedContracts.MasterVault.deployed();
+    const networkSettings = await DeployedContracts.NetworkSettings.deployed();
+    const bntGovernance = await DeployedContracts.BNTGovernance.deployed();
+    const vbntGovernance = await DeployedContracts.VBNTGovernance.deployed();
+    const bnBNT = await DeployedContracts.bnBNT.deployed();
+
+    // upgrade the BancorNetwork contract
+    await upgradeProxy({
+        name: InstanceName.BancorNetwork,
+        args: [
+            bntGovernance.address,
+            vbntGovernance.address,
+            networkSettings.address,
+            masterVault.address,
+            externalProtectionVault.address,
+            bnBNT.address,
+            bancorArbitrageAddress,
+            carbonPOLAddress
+        ],
+        from: deployer
+    });
+
+    // set the min network fee burn to 1M
+    await execute({
+        name: InstanceName.BancorNetwork,
+        methodName: 'setMinNetworkFeeBurn',
+        args: [toWei(1_000_000)],
+        from: deployer
+    });
+
+    return true;
+};
+
+export default setDeploymentMetadata(__filename, func);

deploy/tests/000064-upgrade-network-v10.ts

@@ -0,0 +1,18 @@
+import { BancorNetwork } from '../../components/Contracts';
+import { describeDeployment } from '../../test/helpers/Deploy';
+import { DeployedContracts } from '../../utils/Deploy';
+import { toWei } from '../../utils/Types';
+import { expect } from 'chai';
+
+describeDeployment(__filename, () => {
+    let network: BancorNetwork;
+
+    beforeEach(async () => {
+        network = await DeployedContracts.BancorNetwork.deployed();
+    });
+
+    it('should upgrade the network contract properly', async () => {
+        expect(await network.version()).to.equal(10);
+        expect(await network.minNetworkFeeBurn()).to.equal(toWei(1_000_000));
+    });
+});

test/network/BancorNetwork.ts

@@ -326,7 +326,7 @@ describe('BancorNetwork', () => {
         });
 
         it('should be properly initialized', async () => {
-            expect(await network.version()).to.equal(9);
+            expect(await network.version()).to.equal(10);
 
             await expectRoles(network, Roles.BancorNetwork);