@openzeppelin/contracts

Secure Smart Contract library for Solidity

v5.4.0 URL: https://unpkg.com/@openzeppelin/contracts@5.4.0

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solidity ethereum smart contracts security zeppelin

solc

Solidity compiler

v0.8.30 URL: https://unpkg.com/solc@0.8.30/index.js

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ethereum solidity compiler

@openzeppelin/contracts-upgradeable

Secure Smart Contract library for Solidity

v5.4.0 URL: https://unpkg.com/@openzeppelin/contracts-upgradeable@5.4.0

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solidity ethereum smart contracts security zeppelin

@metamask/abi-utils

Lightweight utilities for encoding and decoding Solidity ABI

v3.0.0 URL: https://unpkg.com/@metamask/abi-utils@3.0.0/dist/index.js

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ethereum abi solidity input-data parser encoder decoder

@eth-optimism/contracts

[Optimism] L1 and L2 smart contracts for Optimism

v0.6.0 URL: https://unpkg.com/@eth-optimism/contracts@0.6.0/dist/index.js

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optimism ethereum contracts solidity