[VPD-480]: SwapRouter Implementation #663
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…akeSwap V2 token swap
…a in vip-581 addendum2 Use deterministic EIP-712 signer for SwapHelper multicall instead of fetching live swap quotes from the Venus API, making tests reproducible on forked chains without external dependencies.
fred-venus
previously approved these changes
Jan 27, 2026
fred-venus
reviewed
Jan 27, 2026
…dum2 Replace USDC with U token as collateral in cross-asset leverage tests (enterLeverage, exitLeverage, enterLeverageFromBorrow) since the VIP enables flash loans on vU. Update U_HOLDER to a whale with sufficient balance at the fork block and remove unused USDC references.
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…p strategy and parallel execution
- Add Venus swap API integration (20s timeout, single retry on quick failures)
with PancakeSwap V2 fallback for swap calldata building
- Parallelize independent RPC calls using Promise.all for balance reads,
signer initialization, and view function queries
- Fix nonce conflicts by keeping same-signer transactions sequential
(oracle configs, revert assertions, token transfers)
- Add results tracker with summary table printed after all tests
- Extract reusable parseEvents helper to reduce event parsing boilerplate
- Fix enterLeverageFromBorrow: add missing USDT approval for
LeverageStrategiesManager before entering leverage from borrow
- Remove verbose JSDoc comments in favor of self-documenting code
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Summary
This PR adds VIP-600: SwapRouter Implementation on BNB Chain (testnet + mainnet).
The VIP accepts ownership of the deployed
SwapRoutercontract viaacceptOwnership(),transferring control to the Venus Protocol Normal Timelock.
Mainnet:
0xde7E4f67Af577F29e5F3B995f9e67FD425F73621Testnet:
0xd3F226acA3210990DBA3f410b74E36b08F31FCf2What's included
VIP proposal — Single governance action calling
acceptOwnership()on the SwapRoutercontract.
Simulation coverage:
swapAndSupply,swapAndRepay,swapAndRepayFullswapNativeAndSupply,swapNativeAndRepay,swapNativeAndRepayFullsweepToken,sweepNative(owner-only token/BNB recovery)MarketNotListed,ZeroAmount,ZeroAddress,SwapFailed,UnauthorizedNativeSenderSwap calldata strategy: API-first (Venus swap API, 20s timeout) with PancakeSwap V2 on-chain
fallback. Uses deterministic EIP-712 signed multicall via
SwapHelperfor reproducible forktests.
Test plan
SwapAndSupply,SwapAndRepay)sweepToken/sweepNativerestricted to owner