MarketMake

Combining Molecule, Bloom, & Aave to build unsecured lending vaults

Faucet on Kovan: https://testnet.aave.com/faucet

NFT tokens:

• low credit: 0xe22da380ee6B445bb8273C81944ADEB6E8450422
• high credit: 0x9b82433944Cf77f0C90C90bAC473324f93910ed0

USDC Kovan: 0xe22da380ee6b445bb8273c81944adeb6e8450422

Investor + Borrower Wallet: (use same for demo): 0x93DF203b8Da82d57113709015D0A9e08a1615DF9

Aave Lending Pool Kovan: 0x9FE532197ad76c5a68961439604C037EB79681F0

MyV2CreditDelegation: Prelaunched: 0x1D2048b4673a7D3C874D5Ca0cB584695Fcc4CC7e

Demo contract address:
0x81911FddCB42647B295BcDa8f2e801e4C3325fFa

Steps:

1. Launch MyV2CreditDelegation smart contract

• Input params:
  • low credit (0xe22da380ee6B445bb8273C81944ADEB6E8450422)
  • high credit (0x9b82433944Cf77f0C90C90bAC473324f93910ed0)

2. approve investor & borrower for MyV2CreditDelegation smart contract

• load ERC20 token at USDC address 0xe22da380ee6b445bb8273c81944adeb6e8450422
• approve investor & borrower wallet, spend: MyV2CreditDelegation contract up to max (6 decimals for USDC): 999999999999999

3. Investor: depositCollateral

• call depositCollateral with asset address (USDC: 0xe22da380ee6b445bb8273c81944adeb6e8450422)
• amount: 100000000 ($100)
• check: call balances:
  • asset: 0xe22da380ee6b445bb8273c81944adeb6e8450422
  • user wallet: 0x93DF203b8Da82d57113709015D0A9e08a1615DF9
  • should see 100000000 deposited

4. Borrower:

• initiate borrow (click of a button) --> install Bloom app for DID/KYC & credit score https://credit-delegation-starter.herokuapp.com/?ethAddress=0x93DF203b8Da82d57113709015D0A9e08a1615DF9
• Scan QR Code in Bloom app to verify ID and credit score (Steps not shown)
  • callback based on credit bucket (high or low, which determines credit amount and interest rate)
  • link to helloSign for legal borrow document signing, once signed, then:
  • mint low or high credit NFT token using Molecule Protocol (from last EthGlobal hackathon) (Steps in demo)
• borrower call requestCredit with credit NFT token address, approved tokenId (will log and invalidate for future use), asset address (USDC)
• borrower borrow from Aave
  • load Aave lendingpool address to call borrow
  • invoke borrow with: asset (USDC), amount 10000000 ($10), interestRateMode: 1 (stable), referralCode: 0 (none), onBehalfOf: lending vault contract
  • check transaction hash, see Aave token to vault smart contract, and USDC to borrower (not in demo)
• verify: call balanceOf with account (borrower wallet address) and asset (USDC)