@eth-optimism/core-utils

[Optimism] Core typescript utilities

v0.13.2 URL: https://unpkg.com/@eth-optimism/core-utils@0.13.2/dist/index.js

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optimism ethereum core utils

@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

@eth-optimism/sdk

[Optimism] Tools for working with Optimism

v3.3.3 URL: https://unpkg.com/@eth-optimism/sdk@3.3.3/dist/index.js

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optimism ethereum sdk

@neynar/nodejs-sdk

SDK to interact with Neynar APIs (https://docs.neynar.com/reference/quickstart)

v3.34.0 URL: https://unpkg.com/@neynar/nodejs-sdk@3.34.0/build/index.js

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ethereum optimism farcaster neynar nodejs

@solsdk/xswap_sdk

Universal cross-chain swaps SDK

v5.1.8 URL: https://unpkg.com/@solsdk/xswap_sdk@5.1.8/dist/esm/index.js

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cross-chain blockchain swap defi solana ethereum arbitrum optimism base hyperliquid sui evm token-swap bridge crypto web3 typescript sdk api dex interoperability multi-chain