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CORE CONCEPTS
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Collateral Factor
A dToken's collateral factor can range from 0-90%, and represents the proportionate increase in liquidity (borrow limit) that an account receives by minting the dToken.
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 DANK Governance, as market conditions change.
Comptroller
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function markets(address dTokenAddress) view returns (bool, uint, bool)
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dTokenAddress: The address of the dToken to check if listed and get the collateral factor for.RETURN: Tuple of values (isListed, collateralFactorMantissa, isComped); isListed represents whether the comptroller recognizes this dToken; collateralFactorMantissa, scaled by 1e18, is multiplied by a supply balance to determine how much value can be borrowed. The isComped boolean indicates whether or not suppliers and borrowers are distributed DANK tokens.
Solidity
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Comptroller troll = Comptroller(0xABCD...);
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(bool isListed, uint collateralFactorMantissa, bool isComped) = troll.markets(0x3FDA...);
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Web3 1.0
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const troll = Comptroller.at(0xABCD...);
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const result = await troll.methods.markets(0x3FDA...).call();
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const {0: isListed, 1: collateralFactorMantissa, 2: isComped} = result;
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Last modified 9mo ago
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