BridgeAdapter

Vialabs Bridge Adapter

Write Methods

function bridge(
    uint256 _destChainId, 
    address _recipient, 
    uint256 _amount, 
    bytes memory _approval
) external onlyActiveChain(_destChainId) returns (uint256 _txId)

Burns tokens on the source chain and sends a cross-chain message to mint them on the destination chain.

Parameter	Type	Description
_destChainId	uint256	Chain ID of the destination blockchain where tokens will be minted.
_recipient	address	Address on the destination chain to receive the bridged tokens.
_amount	uint256	Amount of tokens to bridge (before fees).
_approval	bytes	Optional approval signature if requireApproval is enabled.

Returns:

Value	Type	Description
_txId	uint256	Transaction ID of the cross-chain message.

View Methods

function fee(uint256 _amount) public view returns (uint256)

Calculates the fee for bridging a given amount (returns the higher of flat or percentage fee).

Parameter	Type	Description
_amount	uint256	Amount of tokens to calculate the fee for.

Returns:

Value	Type	Description
feeAmount	uint256	Higher of flat fee or (_amount * percentFee / 10000).

Structs

Events