ZetaDocs

IGatewayZEVM

Inherits: IGatewayZEVMErrors, IGatewayZEVMEvents

Interface for the GatewayZEVM contract.

Defines functions for cross-chain interactions and token handling.

Functions

withdraw

Withdraw ZRC20 tokens to an external chain.

function withdraw(
    bytes memory receiver,
    uint256 amount,
    address zrc20,
    RevertOptions calldata revertOptions
)
    external;

Parameters

Name	Type	Description
`receiver`	`bytes`	The receiver address on the external chain.
`amount`	`uint256`	The amount of tokens to withdraw.
`zrc20`	`address`	The address of the ZRC20 token.
`revertOptions`	`RevertOptions`	Revert options.

withdraw

Withdraw ZETA tokens to an external chain.

function withdraw(
    bytes memory receiver,
    uint256 amount,
    uint256 chainId,
    RevertOptions calldata revertOptions
)
    external;

Parameters

Name	Type	Description
`receiver`	`bytes`	The receiver address on the external chain.
`amount`	`uint256`	The amount of tokens to withdraw.
`chainId`	`uint256`
`revertOptions`	`RevertOptions`	Revert options.

withdrawAndCall

Withdraw ZRC20 tokens and call a smart contract on an external chain.

function withdrawAndCall(
    bytes memory receiver,
    uint256 amount,
    address zrc20,
    bytes calldata message,
    CallOptions calldata callOptions,
    RevertOptions calldata revertOptions
)
    external;

Parameters

Name	Type	Description
`receiver`	`bytes`	The receiver address on the external chain.
`amount`	`uint256`	The amount of tokens to withdraw.
`zrc20`	`address`	The address of the ZRC20 token.
`message`	`bytes`	The calldata to pass to the contract call.
`callOptions`	`CallOptions`	Call options including gas limit and arbirtrary call flag.
`revertOptions`	`RevertOptions`	Revert options.

withdrawAndCall

Withdraw ZETA tokens and call a smart contract on an external chain.

function withdrawAndCall(
    bytes memory receiver,
    uint256 amount,
    uint256 chainId,
    bytes calldata message,
    CallOptions calldata callOptions,
    RevertOptions calldata revertOptions
)
    external;

Parameters

Name	Type	Description
`receiver`	`bytes`	The receiver address on the external chain.
`amount`	`uint256`	The amount of tokens to withdraw.
`chainId`	`uint256`	Chain id of the external chain.
`message`	`bytes`	The calldata to pass to the contract call.
`callOptions`	`CallOptions`	Call options including gas limit and arbirtrary call flag.
`revertOptions`	`RevertOptions`	Revert options.

call

Call a smart contract on an external chain without asset transfer.

function call(
    bytes memory receiver,
    address zrc20,
    bytes calldata message,
    CallOptions calldata callOptions,
    RevertOptions calldata revertOptions
)
    external;

Parameters

Name	Type	Description
`receiver`	`bytes`	The receiver address on the external chain.
`zrc20`	`address`	Address of zrc20 to pay fees.
`message`	`bytes`	The calldata to pass to the contract call.
`callOptions`	`CallOptions`	Call options including gas limit and arbirtrary call flag.
`revertOptions`	`RevertOptions`	Revert options.

deposit

Deposit foreign coins into ZRC20.

function deposit(address zrc20, uint256 amount, address target) external;

Parameters

Name	Type	Description
`zrc20`	`address`	The address of the ZRC20 token.
`amount`	`uint256`	The amount of tokens to deposit.
`target`	`address`	The target address to receive the deposited tokens.

execute

Execute a user-specified contract on ZEVM.

function execute(
    MessageContext calldata context,
    address zrc20,
    uint256 amount,
    address target,
    bytes calldata message
)
    external;

Parameters

Name	Type	Description
`context`	`MessageContext`	The context of the cross-chain call.
`zrc20`	`address`	The address of the ZRC20 token.
`amount`	`uint256`	The amount of tokens to transfer.
`target`	`address`	The target contract to call.
`message`	`bytes`	The calldata to pass to the contract call.

depositAndCall

Deposit foreign coins into ZRC20 and call a user-specified contract on ZEVM.

function depositAndCall(
    MessageContext calldata context,
    address zrc20,
    uint256 amount,
    address target,
    bytes calldata message
)
    external;

Parameters

Name	Type	Description
`context`	`MessageContext`	The context of the cross-chain call.
`zrc20`	`address`	The address of the ZRC20 token.
`amount`	`uint256`	The amount of tokens to transfer.
`target`	`address`	The target contract to call.
`message`	`bytes`	The calldata to pass to the contract call.

depositAndCall

Deposit ZETA and call a user-specified contract on ZEVM.

function depositAndCall(
    MessageContext calldata context,
    uint256 amount,
    address target,
    bytes calldata message
)
    external;

Parameters

Name	Type	Description
`context`	`MessageContext`	The context of the cross-chain call.
`amount`	`uint256`	The amount of tokens to transfer.
`target`	`address`	The target contract to call.
`message`	`bytes`	The calldata to pass to the contract call.

executeRevert

Revert a user-specified contract on ZEVM.

function executeRevert(address target, RevertContext calldata revertContext) external;

Parameters

Name	Type	Description
`target`	`address`	The target contract to call.
`revertContext`	`RevertContext`	Revert context to pass to onRevert.

depositAndRevert

Deposit foreign coins into ZRC20 and revert a user-specified contract on ZEVM.

function depositAndRevert(
    address zrc20,
    uint256 amount,
    address target,
    RevertContext calldata revertContext
)
    external;

Parameters

Name	Type	Description
`zrc20`	`address`	The address of the ZRC20 token.
`amount`	`uint256`	The amount of tokens to revert.
`target`	`address`	The target contract to call.
`revertContext`	`RevertContext`	Revert context to pass to onRevert.