VDB-12: VIP-664 [BNB Chain Testnet] Add MCBT market to the Core pool#728
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List vMCBT (mock Modern Central Bank Token) in the Venus Core Pool on BNB Chain testnet via VIP-664: Chainlink direct price $2.50, resilient oracle routed to Chainlink, CF 60% / LT 70% / liquidation incentive 10% / reserve factor 25%, supply & borrow caps 236 MCBT, borrowing enabled. Adds a 4-part fork simulation proving the market is listed and functional (supply MCBT + borrow against it) and that the collateral factor, supply cap and borrow cap are all enforced. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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Adds VIP-664 (
vips/vip-664/bsctestnet.ts) listing and configuring the vMCBT market in the Venus Core pool on BNB Chain testnet, plus a fork simulation (simulations/vip-664/bsctestnet.ts).Market parameters: Chainlink direct price $2.50, resilient oracle routed to Chainlink (main only); collateral factor 60%, liquidation threshold 70%, liquidation incentive 10%, reserve factor 25%; supply & borrow caps 236 MCBT; borrowing enabled (
setIsBorrowAllowed(0, vMCBT, true)); JumpRateModel base 0% / multiplier 6.67%/yr / kink 75% / jump 627%/yr. Seeds initial liquidity and routes the remainder to VTreasury.ProposalType.REGULAR.Deployed addresses used: MockMCBT
0x00298c15260FbE3C51D2a30765B1EedBd4f8b1F1, vMCBT0xf9C77bFA1F86574E6F39A61dab94d9Bb9ED21AFe, JumpRateModel0x1CcDaf39085bae4e27c3Ba100561b1AD1B5A6b80.Tests:
node_modules/.bin/hardhat test simulations/vip-664/bsctestnet.ts --fork bsctestnet→ 59 passing. The 4-part sim asserts the market is listed, all risk params/oracle/IRM are correct, supply+borrow works, and CF, supply cap and borrow cap are enforced. Oracle staleness across the timelock is handled (MCBT direct price is staleness-proof; canonicalsetMaxStalePeriodForAllAssetsguard applied).eslint/prettierclean.Note: the request's VIP block referenced
vUXRP/UXRP/236 UXRP— treated as copy-paste artifacts; the market added is MCBT/vMCBT with 236 MCBT caps.Opened by the Venus dev bot. Review required; the bot cannot merge.