Aquarius Documentation
  • Aquarius Loan Documentation
  • Getting Started
    • Networks
    • Protocol Math
      • aToken and Underlying Decimals
      • Interpreting Exchange Rates
      • Calculating Accrued Interest
      • Calculating the APY Using Rate Per Block
    • Gas Costs
  • ATokens
    • 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
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    • Get Assets In
    • Collateral Factor
    • Get Account Liquidity
    • Close Factor
    • Liquidation Incentive
    • Key Events
    • Error Codes
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    • ARS Distribution Speeds
    • Claim ARS
    • Market Metadata
  • Governance
    • Delegate
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    • Get Current Votes
    • Get Prior Votes
    • Key Events
    • Governor Bravo
    • Quorum Votes
    • Proposal Threshold
    • Proposal Max Operations
    • Voting Delay
    • Voting Period
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    • Get Actions
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    • Cast Vote With Reason
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    • Timelock
    • Pause Guardian
  • Reward Vesting and Staking
    • Reward Vesting
    • ARS Staking
    • Explainer Video
  • LP Staking
    • LP Utility
    • LP Staking Options
    • Zapping LP
    • Maintaining Eligibility Status
    • Explainer Video
  • API
    • ATokenService
      • GET: /atoken
    • 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/aquarius
      • GET: /governance/proposals
      • GET: /governance/proposal_vote_receipts
      • GET: /governance/accounts
    • Shared Data Types
  • Aquarius.js
    • Aquarius Constructor
    • API Methods
      • Account
      • aToken
      • Market History
      • Governance
    • aToken Methods
      • Supply
      • Redeem
      • Borrow
      • Repay Borrow
    • ARS Methods
      • To Checksum Address
      • Get ARS Balance
      • Get ARS Accrued
      • Claim ARS
      • 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
  • Security
    • Formal Verification
    • Bug Bounty Program
  • Terms of Service
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  1. ATokens

Borrow

PreviousRedeem UnderlyingNextRepay Borrow

Last updated 1 year ago

The borrow function transfers an asset from the protocol to the user, and creates a borrow balance which begins accumulating interest based on the for the asset. The amount borrowed must be less than the user's and the market's available liquidity.

To borrow Ether, the borrower must be 'payable' (solidity).

AErc20 / CEther

function borrow(uint borrowAmount) returns (uint)
  • msg.sender: The account to which borrowed funds shall be transferred.

  • borrowAmount : The amount of the underlying asset to be borrowed.

  • RETURN: 0 on success, otherwise an

Solidity

AErc20 aToken = AErc20(0x3FDA...);
require(aToken.borrow(100) == 0, "got collateral?");

Web3 1.0

const aToken = CEther.at(0x3FDB...);
await aToken.methods.borrow(50).send({from: 0xMyAccount});
Borrow Rate
Account Liquidity
Error code