hood// SPDX-License-Identifier: MIT
pragma solidity 0.8.26;
import {AccessControl} from "@openzeppelin/contracts/access/AccessControl.sol";
import {IFomoAccessRegistry} from "./interfaces/IFomoAccessRegistry.sol";
/// @notice Expiring wallet attestations for fomo-only protocol paths.
/// @dev The verifier role represents an approved membership source. A wallet signature alone is not membership proof.
contract FomoAccessRegistry is AccessControl, IFomoAccessRegistry {
bytes32 public constant VERIFIER_ROLE = keccak256("VERIFIER_ROLE");
struct Attestation {
uint64 validUntil;
bytes32 evidenceHash;
}
mapping(address wallet => Attestation attestation) public attestations;
event WalletAttested(address indexed wallet, uint64 validUntil, bytes32 indexed evidenceHash, address verifier);
event WalletRevoked(address indexed wallet, address verifier);
error ZeroAddress();
error InvalidExpiry();
error EmptyEvidence();
constructor(address admin) {
if (admin == address(0)) revert ZeroAddress();
_grantRole(DEFAULT_ADMIN_ROLE, admin);
_grantRole(VERIFIER_ROLE, admin);
}
function attest(address wallet, uint64 validUntil, bytes32 evidenceHash) external onlyRole(VERIFIER_ROLE) {
if (wallet == address(0)) revert ZeroAddress();
if (validUntil <= block.timestamp) revert InvalidExpiry();
if (evidenceHash == bytes32(0)) revert EmptyEvidence();
attestations[wallet] = Attestation({validUntil: validUntil, evidenceHash: evidenceHash});
emit WalletAttested(wallet, validUntil, evidenceHash, msg.sender);
}
function revoke(address wallet) external onlyRole(VERIFIER_ROLE) {
if (wallet == address(0)) revert ZeroAddress();
delete attestations[wallet];
emit WalletRevoked(wallet, msg.sender);
}
function isVerified(address wallet) external view returns (bool) {
return attestations[wallet].validUntil >= block.timestamp;
}
}[
{
"type": "constructor",
"inputs": [
{
"name": "admin",
"type": "address",
"internalType": "address"
}
],
"stateMutability": "nonpayable"
},
{
"name": "AccessControlBadConfirmation",
"type": "error",
"inputs": []
},
{
"name": "AccessControlUnauthorizedAccount",
"type": "error",
"inputs": [
{
"name": "account",
"type": "address",
"internalType": "address"
},
{
"name": "neededRole",
"type": "bytes32",
"internalType": "bytes32"
}
]
},
{
"name": "EmptyEvidence",
"type": "error",
"inputs": []
},
{
"name": "InvalidExpiry",
"type": "error",
"inputs": []
},
{
"name": "ZeroAddress",
"type": "error",
"inputs": []
},
{
"name": "RoleAdminChanged",
"type": "event",
"inputs": [
{
"name": "role",
"type": "bytes32",
"indexed": true,
"internalType": "bytes32"
},
{
"name": "previousAdminRole",
"type": "bytes32",
"indexed": true,
"internalType": "bytes32"
},
{
"name": "newAdminRole",
"type": "bytes32",
"indexed": true,
"internalType": "bytes32"
}
],
"anonymous": false
},
{
"name": "RoleGranted",
"type": "event",
"inputs": [
{
"name": "role",
"type": "bytes32",
"indexed": true,
"internalType": "bytes32"
},
{
"name": "account",
"type": "address",
"indexed": true,
"internalType": "address"
},
{
"name": "sender",
"type": "address",
"indexed": true,
"internalType": "address"
}
],
"anonymous": false
},
{
"name": "RoleRevoked",
"type": "event",
"inputs": [
{
"name": "role",
"type": "bytes32",
"indexed": true,
"internalType": "bytes32"
},
{
"name": "account",
"type": "address",
"indexed": true,
"internalType": "address"
},
{
"name": "sender",
"type": "address",
"indexed": true,
"internalType": "address"
}
],
"anonymous": false
},
{
"name": "WalletAttested",
"type": "event",
"inputs": [
{
"name": "wallet",
"type": "address",
"indexed": true,
"internalType": "address"
},
{
"name": "validUntil",
"type": "uint64",
"indexed": false,
"internalType": "uint64"
},
{
"name": "evidenceHash",
"type": "bytes32",
"indexed": true,
"internalType": "bytes32"
},
{
"name": "verifier",
"type": "address",
"indexed": false,
"internalType": "address"
}
],
"anonymous": false
},
{
"name": "WalletRevoked",
"type": "event",
"inputs": [
{
"name": "wallet",
"type": "address",
"indexed": true,
"internalType": "address"
},
{
"name": "verifier",
"type": "address",
"indexed": false,
"internalType": "address"
}
],
"anonymous": false
},
{
"name": "DEFAULT_ADMIN_ROLE",
"type": "function",
"inputs": [],
"outputs": [
{
"name": "",
"type": "bytes32",
"internalType": "bytes32"
}
],
"stateMutability": "view"
},
{
"name": "VERIFIER_ROLE",
"type": "function",
"inputs": [],
"outputs": [
{
"name": "",
"type": "bytes32",
"internalType": "bytes32"
}
],
"stateMutability": "view"
},
{
"name": "attest",
"type": "function",
"inputs": [
{
"name": "wallet",
"type": "address",
"internalType": "address"
},
{
"name": "validUntil",
"type": "uint64",
"internalType": "uint64"
},
{
"name": "evidenceHash",
"type": "bytes32",
"internalType": "bytes32"
}
],
"outputs": [],
"stateMutability": "nonpayable"
},
{
"name": "attestations",
"type": "function",
"inputs": [
{
"name": "wallet",
"type": "address",
"internalType": "address"
}
],
"outputs": [
{
"name": "validUntil",
"type": "uint64",
"internalType": "uint64"
},
{
"name": "evidenceHash",
"type": "bytes32",
"internalType": "bytes32"
}
],
"stateMutability": "view"
},
{
"name": "getRoleAdmin",
"type": "function",
"inputs": [
{
"name": "role",
"type": "bytes32",
"internalType": "bytes32"
}
],
"outputs": [
{
"name": "",
"type": "bytes32",
"internalType": "bytes32"
}
],
"stateMutability": "view"
},
{
"name": "grantRole",
"type": "function",
"inputs": [
{
"name": "role",
"type": "bytes32",
"internalType": "bytes32"
},
{
"name": "account",
"type": "address",
"internalType": "address"
}
],
"outputs": [],
"stateMutability": "nonpayable"
},
{
"name": "hasRole",
"type": "function",
"inputs": [
{
"name": "role",
"type": "bytes32",
"internalType": "bytes32"
},
{
"name": "account",
"type": "address",
"internalType": "address"
}
],
"outputs": [
{
"name": "",
"type": "bool",
"internalType": "bool"
}
],
"stateMutability": "view"
},
{
"name": "isVerified",
"type": "function",
"inputs": [
{
"name": "wallet",
"type": "address",
"internalType": "address"
}
],
"outputs": [
{
"name": "",
"type": "bool",
"internalType": "bool"
}
],
"stateMutability": "view"
},
{
"name": "renounceRole",
"type": "function",
"inputs": [
{
"name": "role",
"type": "bytes32",
"internalType": "bytes32"
},
{
"name": "callerConfirmation",
"type": "address",
"internalType": "address"
}
],
"outputs": [],
"stateMutability": "nonpayable"
},
{
"name": "revoke",
"type": "function",
"inputs": [
{
"name": "wallet",
"type": "address",
"internalType": "address"
}
],
"outputs": [],
"stateMutability": "nonpayable"
},
{
"name": "revokeRole",
"type": "function",
"inputs": [
{
"name": "role",
"type": "bytes32",
"internalType": "bytes32"
},
{
"name": "account",
"type": "address",
"internalType": "address"
}
],
"outputs": [],
"stateMutability": "nonpayable"
},
{
"name": "supportsInterface",
"type": "function",
"inputs": [
{
"name": "interfaceId",
"type": "bytes4",
"internalType": "bytes4"
}
],
"outputs": [
{
"name": "",
"type": "bool",
"internalType": "bool"
}
],
"stateMutability": "view"
}
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| Token | Symbol | Balance | Price | Value |
|---|---|---|---|---|
| no token holdings | ||||
| Type | Age | Block | Details |
|---|---|---|---|
| no cross-chain L1↔L2 transactions for this address | |||
| Txn Hash | Age | Event | Topics / Data |
|---|---|---|---|
| 0x95dc49…df2f6c | 3 days agoSat, 15 Aug 2026 00:44:01 UTC | 0xf6391f…171b | [0] 0x000000000000…00000000 [1] 0x000000000000…39d2e8a7 [2] 0x000000000000…39d2e8a7 |
| 0x5c902d…d4677e | 3 days agoSat, 15 Aug 2026 00:43:57 UTC | 0xf6391f…171b | [0] 0x0ce23c3e3998…16e1ea09 [1] 0x000000000000…39d2e8a7 [2] 0x000000000000…39d2e8a7 |
| 0x26da3e…0f06e2 | 3 days agoSat, 15 Aug 2026 00:43:54 UTC | 0x2f8788…6f0d | [0] 0x0ce23c3e3998…16e1ea09 [1] 0x000000000000…e2783c19 [2] 0x000000000000…39d2e8a7 |
| 0x70ea34…6e7c82 | 3 days agoSat, 15 Aug 2026 00:43:50 UTC | 0x2f8788…6f0d | [0] 0x000000000000…00000000 [1] 0x000000000000…e2783c19 [2] 0x000000000000…39d2e8a7 |
| 0x1405c3…9ea014 | 3 days agoSat, 15 Aug 2026 00:40:13 UTC | 0x2f8788…6f0d | [0] 0x0ce23c3e3998…16e1ea09 [1] 0x000000000000…39d2e8a7 [2] 0x000000000000…39d2e8a7 |
| 0x1405c3…9ea014 | 3 days agoSat, 15 Aug 2026 00:40:13 UTC | 0x2f8788…6f0d | [0] 0x000000000000…00000000 [1] 0x000000000000…39d2e8a7 [2] 0x000000000000…39d2e8a7 |
| Transaction Hash | Method | Block | Age | From | To | Amount | Token | ||
|---|---|---|---|---|---|---|---|---|---|
| no token transfers for this address yet | |||||||||
| Transaction Hash | Method | Block | Age | From | To | Type | Item | ||
|---|---|---|---|---|---|---|---|---|---|
| no NFT transfers for this address yet | |||||||||
| Block | Age | Parent Transaction Hash | Type | Method | From | To | Value | |
|---|---|---|---|---|---|---|---|---|
| no internal transactions found for this address yet (traced blocks + on-demand) | ||||||||
| Transaction Hash | Method ? | Block | Age | From | To | Amount | Txn Fee ? | ||
|---|---|---|---|---|---|---|---|---|---|
| 0x95dc49…df2f6c | revokeRole | 36,693,340 | 3 days agoSat, 15 Aug 2026 00:44:01 UTC | 0xd9c3…e8a7 | IN | FomoAccessRegistry | $0.000 ETH | 0.00000105 | |
| 0x5c902d…d4677e | revokeRole | 36,693,302 | 3 days agoSat, 15 Aug 2026 00:43:57 UTC | 0xd9c3…e8a7 | IN | FomoAccessRegistry | $0.000 ETH | 0.00000114 | |
| 0x26da3e…0f06e2 | grantRole | 36,693,266 | 3 days agoSat, 15 Aug 2026 00:43:54 UTC | 0xd9c3…e8a7 | IN | FomoAccessRegistry | $0.000 ETH | 0.00000200 | |
| 0x70ea34…6e7c82 | grantRole | 36,693,228 | 3 days agoSat, 15 Aug 2026 00:43:50 UTC | 0xd9c3…e8a7 | IN | FomoAccessRegistry | $0.000 ETH | 0.00000196 |