[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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This PR introduces VIP to the implementation of the
SwapRoutercontract and transfers its ownership to Venus Protocol on the BNB Chain, both on the testnet and mainnet.