ERC20PaymentResolver

Git Source

Resolver contract for EAS attestations that enforces payment in an ERC-20 token.

State Variables

paymentToken

IERC20 public immutable paymentToken;

attestationFee

uint256 public immutable attestationFee;

feeRecipient

address public immutable feeRecipient;

Functions

constructor

constructor(address _token, uint256 _fee, address _feeRecipient);

Parameters

Name	Type	Description
_token	address	The ERC-20 token address used for payment.
_fee	uint256	The fee required per attestation (in token's smallest unit).
_feeRecipient	address	The address that will receive the fees.

resolve

Called by the EAS contract when processing an attestation.

This function performs an ERC-20 transferFrom() to collect the fee. The attester must have approved this contract for the required fee amount.

function resolve(address attester, bytes calldata) external;

Parameters

Name	Type	Description
attester	address	The address initiating the attestation.
<none>	bytes