Strike Docs
  • 📖Strike Documentation
  • ⭐Getting Started
    • 🧑‍🏫Guides
    • 🔬Networks
    • 📒Protocol Math
      • sToken and Underlying Decimals
      • Interpreting Exchange Rates
      • Calculating Accrued Interest
      • Calculating the APY Using Rate Per Block
    • 💹Gas Costs
  • 🎙️STokens
    • Mint
    • Redeem
    • Redeem Underlying
    • Borrow
    • Repay Borrow
    • Repay Borrow Behalf
    • Transfer
    • Liquidate Borrow
    • Key Events
    • Error Codes
    • Failure Info
    • Exchange Rate
    • Get Cash
    • Total Borrow
    • Borrow Balance
    • Borrow Rate
    • Total Supply
    • Underlying Balance
    • Supply Rate
    • Total Reserves
    • Reserve Factor
  • ⚙️Comptroller
    • Enter Markets
    • Exit Market
    • Get Assets In
    • Collateral Factor
    • Get Account Liquidity
    • Close Factor
    • Liquidation Incentive
    • Key Events
    • Error Codes
    • Failure Info
    • STRK Distribution Speeds
    • Claim STRK
    • Market Metadata
  • 👨‍👩‍👦Governance
    • Delegate
    • Delegate By Signature
    • Get Current Votes
    • Get Prior Votes
    • Key Events
    • Governor Alpha
    • Quorum Votes
    • Proposal Threshold
    • Proposal Max Operations
    • Voting Delay
    • Voting Period
    • Propose
    • Queue
    • Execute
    • Cancel
    • Get Actions
    • Get Receipt
    • State
    • Cast Vote
    • Cast Vote By Signature
    • Timelock
    • Pause Guardian
  • 🔡API
    • STokenService
      • GET: /stoken
    • MarketHistoryService
      • GET: /market_history/graph
    • ProposalService
      • GET: /proposals
      • GET: /proposals/:id
      • GET: /proposals/statistics
    • VoterService
      • GET: /voters/accounts
      • GET: /voters/accounts/:address
      • GET: /voters/history/:address
      • GET: /voters/:proposalId
    • GovernanceService
      • GET: /governance/strike
      • GET: /governance/proposals
      • GET: /governance/proposal_vote_receipts
      • GET: /governance/accounts
    • UserHistoryService
      • GET: /user/history
    • LiquidationService
      • GET: /get_liquidators
      • GET: /get_liquidator:account
      • GET: /get_liquidator_detail:account
      • GET: /liquidator
    • Shared Data Types
  • ⌛Strike.js
    • Strike Constructor
    • API Methods
      • Account
      • sToken
      • Market History
      • Governance
    • sToken Methods
      • Supply
      • Redeem
      • Borrow
      • Repay Borrow
    • STRK Methods
      • To Checksum Address
      • Get Strk Balance
      • Get Strk Accrued
      • Claim Strk
      • Delegate
      • Delegate By Sig
      • Create Delegate Signature
    • Comptroller Methods
      • Enter Markets
      • Exit Market
    • Ethereum Methods
      • Read
      • Trx
      • Get Balance
    • Governance Methods
      • Cast Vote
      • Cast Vote By Sig
      • Create Vote Signature
    • Price Feed Methods
      • Get Price
    • Utility Methods
      • Get Address
      • Get ABI
      • Get Network Name With Chain ID
  • 🤑DeFi 3.0 Vault
  • 🍍Revenue Share Staking
  • 🔒Security
    • Formal Verification
    • Bug Bounty Program
    • Immunefi
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  1. Comptroller

Collateral Factor

A sToken's collateral factor can range from 0-90%, and represents the proportionate increase in liquidity (borrow limit) that an account receives by minting the sToken.

Generally, large or liquid assets have high collateral factors, while small or illiquid assets have low collateral factors. If an asset has a 0% collateral factor, it can't be used as collateral (or seized in liquidation), though it can still be borrowed.

Collateral factors can be increased (or decreased) through Strike Governance, as market conditions change.

Comptroller

function markets(address sTokenAddress) view returns (bool, uint, bool)
  • sTokenAddress: The address of the sToken to check if listed and get the collateral factor for.

  • RETURN: Tuple of values (isListed, collateralFactorMantissa, isStriked); isListed represents whether the comptroller recognizes this sToken; collateralFactorMantissa, scaled by 1e18, is multiplied by a supply balance to determine how much value can be borrowed. The isStriked boolean indicates whether or not suppliers and borrowers are distributed STRK tokens.

Solidity

Comptroller troll = Comptroller(0xABCD...);
(bool isListed, uint collateralFactorMantissa, bool isStriked) = troll.markets(0x3FDA...);

Web3 1.0

const troll = Comptroller.at(0xABCD...);
const result = await troll.methods.markets(0x3FDA...).call();
const {0: isListed, 1: collateralFactorMantissa, 2: isStriked} = result;
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Last updated 4 years ago

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