Init remote contract generation

[spacesailor24]

This PR makes use of #8280 to fetch needed details about deployed contracts (on both ETH mainnet and OP mainnet) to generate Go bidings and metadata files (these files contain deployed bytecode and other data used to deploy the contract i.e. create2 salts)

op-bindings/artifacts.json contains the list of contracts bindings are being generated for, and the addresses of which their deployed bytecode and other details are being fetched at

[spacesailor24]

Current dependencies on/for this PR:

• develop
  • PR BindGen - local contracts refactor #8279
    • PR Init etherscan client #8280
      • PR Init remote contract generation #8281 👈
        • PR Add deployed bytecode retrieval mitigation #8282
          • PR Bindings and metadata overwrite warning #8283
            • PR Init new bindings #8284
              • PR L2 genesis generation updates #8285
                • PR Init BindGen unit tests #8650
                  • PR Init BindGen E2E tests #8651

This stack of pull requests is managed by Graphite.

[semgrep-app]

Semgrep found 1 import-text-template finding:

• op-bindings/bindgen/generator_local.go: L12

When working with web applications that involve rendering user-generated content, it's important to properly escape any HTML content to prevent Cross-Site Scripting (XSS) attacks. In Go, the text/template package does not automatically escape HTML content, which can leave your application vulnerable to these types of attacks. To mitigate this risk, it's recommended to use the html/template package instead, which provides built-in functionality for HTML escaping. By using html/template to render your HTML content, you can help to ensure that your web application is more secure and less susceptible to XSS vulnerabilities.

_{Ignore this finding from import-text-template.}

[coderabbitai]

Walkthrough

Walkthrough

The project has made significant enhancements to facilitate the handling of Ethereum and Optimism smart contracts. The changes include the addition of new environment variables for Etherscan API keys to aid in generating bindings for all contracts and specifically for remote contracts. A new Go file has been introduced for remote contract generation, along with associated types and methods. The main.go file has been updated to incorporate import statements, flags, and subcommands for remote generation. Additionally, functions for fetching and processing remote contract data have been added, and existing contract handling logic has been updated.

Changes

File Path	Change Summary
op-bindings/Makefile	Added environment variables ETHERSCAN_APIKEY_ETH and ETHERSCAN_APIKEY_OP; introduced new targets bindgen-generate-all and bindgen-remote for generating bindings.
op-bindings/bindgen/generator_remote.go	Added new Go file with bindGenGeneratorRemote struct, contractDataClient interface, and methods for generating and processing bindings.
op-bindings/bindgen/main.go	Included import statement for the etherscan package, flags, subcommands, and a function for parsing remote contract generation configuration.
op-bindings/bindgen/remote_handlers.go	Added and modified functions for handling remote contract metadata, including logic for fetching, comparing, and writing data.
op-bindings/bindgen/utils.go	Modified the contractsList struct to include a new Remote field of type remoteContract.

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[hamdiallam]

Looks good! few comments

[semgrep-app]

Semgrep found 6 sol-style-return-arg-fmt findings:

• packages/contracts-bedrock/scripts/Deployer.sol: L432, L422, L412, L402, L392, L373

Named return arguments to functions must be appended with an underscore (_)

_{Ignore this finding from sol-style-return-arg-fmt.}

Semgrep found 1 sol-style-input-arg-fmt finding:

• packages/contracts-bedrock/scripts/Deployer.sol: L373

Inputs to functions must be prepended with an underscore (_)

_{Ignore this finding from sol-style-input-arg-fmt.}