docs: add MetaMask integration guide with USDC token setup#100
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cryptoasuran wants to merge 1 commit into
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docs: add MetaMask integration guide with USDC token setup#100cryptoasuran wants to merge 1 commit into
cryptoasuran wants to merge 1 commit into
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Adds comprehensive guide for integrating Arc Testnet with MetaMask, including the critical wallet_watchAsset call to register USDC. Without this step, users see no USDC balance in MetaMask after receiving tokens, causing confusion and making DApps appear broken. Includes: - Complete onboarding flow with wallet_addEthereumChain - wallet_watchAsset call for USDC token registration - Contract addresses and chain configuration - Why this matters section explaining the impact Fixes circlefin#97 Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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Summary
Adds comprehensive MetaMask integration guide for Arc Testnet, including the critical
wallet_watchAssetcall to register USDC.Problem
Issue #97 identified that there's no documented way to add Arc Testnet USDC to MetaMask's token list. Without this:
Solution
New guide at
docs/metamask-integration.mdcovering:wallet_addEthereumChainwallet_watchAsset(the missing piece)Changes
docs/metamask-integration.mdREADME.mdto link to new guideTesting
Code examples follow MetaMask's official API documentation:
Impact
Every DApp on Arc Testnet that involves USDC transfers benefits from this documentation.
Fixes #97