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Mint
The mint function transfers an asset into the protocol, which begins accumulating interest based on the current Supply Rate for the asset. The user receives a quantity of aTokens equal to the underlying tokens supplied, divided by the current Exchange Rate.
SErc20
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function mint(uint mintAmount) returns (uint)
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  • msg.sender: The account which shall supply the asset, and own the minted aTokens.
  • mintAmount: The amount of the asset to be supplied, in units of the underlying asset.
  • RETURN: 0 on success, otherwise an Error code
Before supplying an asset, users must first approve the aToken to access their token balance.
SEther
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function mint() payable
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  • msg.value [payable]: The amount of ether to be supplied, in wei.
  • msg.sender: The account which shall supply the ether, and own the minted aTokens.
  • RETURN: No return, reverts on error.
Solidity
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Erc20 underlying = Erc20(0xToken...); // get a handle for the underlying asset contract
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SErc20 aToken = SErc20(0x3FDA...); // get a handle for the corresponding aToken contract
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underlying.approve(address(aToken), 100); // approve the transfer
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assert(aToken.mint(100) == 0); // mint the aTokens and assert there is no error
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Web3 1.0
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const aToken = SEther.at(0x3FDB...);
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await aToken.methods.mint().send({from: myAccount, value: 50});
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Last modified 10mo ago
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