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Verify Deployment mainnet

This document ins a guide in order to verify the mainnet smart contract deploymet of the zkEVM

Basic OS preparation

You should have a version of node: >16 (e.g. 18.14.0 ) If not you can execute the following commands:

curl -sL https://deb.nodesource.com/setup_18.x -o nodesource_setup.sh
sudo bash nodesource_setup.sh
sudo apt install -y nodejs
node -v

Download zkevm contracts repository

DOwnload and install the zkevm-contracts repository and go to the specific commit

git clone https://github.com/0xPolygonHermez/zkevm-contracts
npm i
git checkout 7a8d0c1950cf267fb7b10be8a47506754399cd4a

Verify deployment

In order to verify the deployment, we will compare the deployed bytecode with the compiled locally. Some of the contracts use immutables, in that case it's not enough to just compile the code and compare withthe deployed bytecode. The easiest way is to verify this contracts is to deploy them on a local enviroment and then compare the bytecodes of this contracts and the mainnet ones.

In order to launch the script, you need a mainnet provider. In root of the project create a .env file you Infura api key information:

mkdir .env

.env file should contain something like:

INFURA_PROJECT_ID="<Your Infura project ID>s"

Now you can compile the contracts and run the script:

npx hardhat compile
node verifyMainnetDeployment/verifyMainnetDeployment.js

This script verifies the deployed bytecode of the address provided in deploymentMainnet.json

Verify genesis root

At the end of the previous script we also verify that the genesis provided in thedeploymentMainnet.json matches hte one in the polygonZkEVM

In order to verify the genesis, you can the script to generate it. The script in a very similar behaviour of the last script, deploy localy the contracts and then copy the deployed btyecode into the corresponding address.

node deployment/1_createGenesis.js --input ../verifyMainnetDeployment/mainnetDeployParameters.json --out ../verifyMainnetDeployment/genesis.json

Now a new file will be created in verifyMainnetDeployment/genesis.json Here you can check all the genesis information, and you can assert that the root generated matches the one on mainnetDeployment.json