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# pragma version ^0.3.10
"""
@title P256 Signature Verification Function
@custom:contract-name P256Verifier
@license GNU Affero General Public License v3.0 only
@author pcaversaccio
@notice The `verify` function can be used to natively (currently
        only supported on Polygon Mumbai test network) verify a
        P256 (a.k.a. secp256r1 elliptic curve) signature. For more
        technical details, please refer to EIP-7212:

pcaversaccio

// SPDX-License-Identifier: MIT

// File: @openzeppelin/contracts/math/SafeMath.sol

// Original license: SPDX_License_Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

/**
 * @dev Wrappers over Solidity's arithmetic operations with added overflow

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Setup

Update Linux

sudo apt update && sudo apt upgrade

Install build-essential Packages

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# @version ^0.3.10


_CREATE2_PREFIX: constant(bytes32) = 0x2020dba91b30cc0006188af794c2fb30dd8520db7e2c088b7fc7c103c00ca494


@external
@pure
def compute_create2_address_zksync(salt: bytes32, bytecode_hash: bytes32, deployer: address, input: Bytes[4_096]=b"") -> address:
    constructor_input_hash: bytes32 = keccak256(input)

pcaversaccio

# @version ^0.3.9

@internal
@pure
def _to_2098_format(signature: Bytes[65]) -> Bytes[64]:
    """
    @dev Transforms a standard signature into an EIP-2098
         (https://eips.ethereum.org/EIPS/eip-2098) compliant
         signature.
    @param signature The secp256k1 64/65-bytes signature.

pcaversaccio

from re import sub
from eth_utils import keccak
from caseconverter import camelcase, flatcase, macrocase, pascalcase, snakecase

"""
Biased Assumption: Every single word of an interface function, event or custom error definition,
or anything else contained in an interface definition and used as an identifier, is capitalised
and concatenated with an underscore before running `to_checksum_name`.

Examples: `TRANSFER_FROM`, `BALANCE_OF`, `$I_HATE_PHP`.

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# CL mainnet bootnodes: https://github.com/eth-clients/eth2-networks/blob/master/shared/mainnet/bootstrap_nodes.txt.

### ENR

# Teku team's bootnodes
enr:-KG4QOtcP9X1FbIMOe17QNMKqDxCpm14jcX5tiOE4_TyMrFqbmhPZHK_ZPG2Gxb1GE2xdtodOfx9-cgvNtxnRyHEmC0ghGV0aDKQ9aX9QgAAAAD__________4JpZIJ2NIJpcIQDE8KdiXNlY3AyNTZrMaEDhpehBDbZjM_L9ek699Y7vhUJ-eAdMyQW_Fil522Y0fODdGNwgiMog3VkcIIjKA
enr:-KG4QL-eqFoHy0cI31THvtZjpYUu_Jdw_MO7skQRJxY1g5HTN1A0epPCU6vi0gLGUgrzpU-ygeMSS8ewVxDpKfYmxMMGhGV0aDKQtTA_KgAAAAD__________4JpZIJ2NIJpcIQ2_DUbiXNlY3AyNTZrMaED8GJ2vzUqgL6-KD1xalo1CsmY4X1HaDnyl6Y_WayCo9GDdGNwgiMog3VkcIIjKA

# Prylab team's bootnodes
enr:-Ku4QImhMc1z8yCiNJ1TyUxdcfNucje3BGwEHzodEZUan8PherEo4sF7pPHPSIB1NNuSg5fZy7qFsjmUKs2ea1Whi0EBh2F0dG5ldHOIAAAAAAAAAACEZXRoMpD1pf1CAAAAAP__________gmlkgnY0gmlwhBLf22SJc2VjcDI1NmsxoQOVphkDqal4QzPMksc5wnpuC3gvSC8AfbFOnZY_On34wIN1ZHCCIyg

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pcaversaccio

// SPDX-License-Identifier: WTFPL
pragma solidity ^0.8.19;

contract NestedStruct {
    struct Inside {
        address a1;
        address a2;
        address a3;
    }

pcaversaccio

// SPDX-License-Identifier: WTFPL
pragma solidity ^0.8.19;

contract TryToReachMe {
    constructor() payable {
        assert(msg.value == 1 wei);
    }

    function tryMeBabe(address addr) public payable {
        uint256 balance = address(this).balance;