feat(tempo): add Tempo chain support (chain ID 4217)#537
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Add Tempo mainnet chain ID, metadata, and placeholder addresses/deployments. Contract addresses and block numbers are placeholder (0x0.../0n) pending deployment info from Milan. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Replace placeholder addresses with actual deployed contracts from morpho-org/deployments#191. Add preLiquidationFactoryConfigs entry. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Add canonical Permit2 contract address (predeployed on Tempo) to enable transactional flows via Permit2. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Bridged USDC (Stargate) supports EIP-2612 permit via TIP-1004, enabling Permit2 signature flows. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
remiroyc
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Foulks-Plb
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Apr 2, 2026
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Not an official USDC token, just a bridged Stargate token. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Foulks-Plb
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Apr 2, 2026
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Summary
Add full Tempo chain support (chain ID 4217) to
@morpho-org/blue-sdkand@morpho-org/liquidation-sdk-viem.TempoMainnet = 4217toChainIdenum with chain metadata (USD-denominated native currency, no gas token)Notable: Tempo has no native gas token and no
wNative— fees are paid in USD-denominated stablecoins.Test plan
@morpho-org/blue-sdkbuilds successfully@morpho-org/liquidation-sdk-viembuilds successfullyDOMAIN_SEPARATOR,nonces,permitall functional)🤖 Generated with Claude Code