NativeTokenGateway

NativeTokenGateway

NativeTokenGateway contract facilitates interactions with a vToken market for native tokens (Native or wNativeToken)

Solidity API

wNativeToken

Address of wrapped native token contract

contract IWrappedNative wNativeToken

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vWNativeToken

Address of wrapped native token market

contract IVToken vWNativeToken

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constructor

Constructor for NativeTokenGateway

constructor(contract IVToken vWrappedNativeToken) public

Parameters

Name	Type	Description
vWrappedNativeToken	contract IVToken	Address of wrapped native token market

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receive

To receive Native when msg.data is empty

receive() external payable

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fallback

To receive Native when msg.data is not empty

fallback() external payable

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wrapAndSupply

Wrap Native, get wNativeToken, mint vWNativeToken, and supply to the market.

function wrapAndSupply(address minter) external payable

Parameters

Name	Type	Description
minter	address	The address on behalf of whom the supply is performed.

📅 Events

• TokensWrappedAndSupplied is emitted when assets are supplied to the market

❌ Errors

• ZeroAddressNotAllowed is thrown if address of minter is zero address

• ZeroValueNotAllowed is thrown if mintAmount is zero

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redeemUnderlyingAndUnwrap

Redeem vWNativeToken, unwrap to Native Token, and send to the user

function redeemUnderlyingAndUnwrap(uint256 redeemAmount) external

Parameters

Name	Type	Description
redeemAmount	uint256	The amount of underlying tokens to redeem

📅 Events

• TokensRedeemedAndUnwrapped is emitted when assets are redeemed from a market and unwrapped

❌ Errors

• ZeroValueNotAllowed is thrown if redeemAmount is zero

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redeemAndUnwrap

Redeem vWNativeToken, unwrap to Native Token, and send to the user

function redeemAndUnwrap(uint256 redeemTokens) external

Parameters

Name	Type	Description
redeemTokens	uint256	The amount of vWNative tokens to redeem

📅 Events

• TokensRedeemedAndUnwrapped is emitted when assets are redeemed from a market and unwrapped

❌ Errors

• ZeroValueNotAllowed is thrown if redeemTokens is zero

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wrapAndRepay

Wrap Native, repay borrow in the market, and send remaining Native to the user

function wrapAndRepay() external payable

📅 Events

• TokensWrappedAndRepaid is emitted when assets are repaid to a market and unwrapped

❌ Errors

• ZeroValueNotAllowed is thrown if repayAmount is zero

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sweepNative

Sweeps native assets (Native) from the contract and sends them to the owner

function sweepNative() external

📅 Events

• SweepNative is emitted when assets are swept from the contract

⛔️ Access Requirements

• Controlled by Governance

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sweepToken

Sweeps the input token address tokens from the contract and sends them to the owner

function sweepToken(contract IERC20 token) external

Parameters

Name	Type	Description
token	contract IERC20	Address of the token

📅 Events

• SweepToken emits on success

⛔️ Access Requirements

• Controlled by Governance

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