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Contract Name:
NetworkRestakeDecreaseHook
Compiler Version
v0.8.25+commit.b61c2a91
Optimization Enabled:
Yes with 200 runs
Other Settings:
cancun EvmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: MIT
pragma solidity 0.8.25;
import {INetworkRestakeDecreaseHook} from "../../interfaces/networkRestakeDelegator/INetworkRestakeDecreaseHook.sol";
import {IDelegatorHook} from "@symbioticfi/core/src/interfaces/delegator/IDelegatorHook.sol";
import {IEntity} from "@symbioticfi/core/src/interfaces/common/IEntity.sol";
import {INetworkRestakeDelegator} from "@symbioticfi/core/src/interfaces/delegator/INetworkRestakeDelegator.sol";
import {IBaseSlasher} from "@symbioticfi/core/src/interfaces/slasher/IBaseSlasher.sol";
import {ISlasher} from "@symbioticfi/core/src/interfaces/slasher/ISlasher.sol";
import {IVetoSlasher} from "@symbioticfi/core/src/interfaces/slasher/IVetoSlasher.sol";
import {Math} from "@openzeppelin/contracts/utils/math/Math.sol";
contract NetworkRestakeDecreaseHook is INetworkRestakeDecreaseHook {
using Math for uint256;
/**
* @inheritdoc IDelegatorHook
*/
function onSlash(
bytes32 subnetwork,
address operator,
uint256 slashedAmount,
uint48 captureTimestamp,
bytes calldata data
) external {
if (IEntity(msg.sender).TYPE() != 0) {
revert NotNetworkRestakeDelegator();
}
if (slashedAmount == 0) {
return;
}
IBaseSlasher.GeneralDelegatorData memory generalData = abi.decode(data, (IBaseSlasher.GeneralDelegatorData));
uint256 stakeAt;
if (generalData.slasherType == 0) {
ISlasher.DelegatorData memory delegatorData = abi.decode(generalData.data, (ISlasher.DelegatorData));
stakeAt = delegatorData.stakeAt;
} else if (generalData.slasherType == 1) {
IVetoSlasher.DelegatorData memory delegatorData = abi.decode(generalData.data, (IVetoSlasher.DelegatorData));
stakeAt = delegatorData.stakeAt;
} else {
stakeAt = INetworkRestakeDelegator(msg.sender).stakeAt(subnetwork, operator, captureTimestamp, new bytes(0));
}
uint256 networkLimit = INetworkRestakeDelegator(msg.sender).networkLimit(subnetwork);
if (networkLimit != 0) {
INetworkRestakeDelegator(msg.sender).setNetworkLimit(
subnetwork, networkLimit - Math.min(slashedAmount, networkLimit)
);
}
uint256 operatorNetworkSharesAt = INetworkRestakeDelegator(msg.sender).operatorNetworkSharesAt(
subnetwork, operator, captureTimestamp, new bytes(0)
);
uint256 operatorNetworkShares = INetworkRestakeDelegator(msg.sender).operatorNetworkShares(subnetwork, operator);
if (operatorNetworkShares != 0) {
INetworkRestakeDelegator(msg.sender).setOperatorNetworkShares(
subnetwork,
operator,
operatorNetworkShares
- Math.min(
slashedAmount.mulDiv(operatorNetworkSharesAt, stakeAt, Math.Rounding.Ceil), operatorNetworkShares
)
);
}
}
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import {IDelegatorHook} from "@symbioticfi/core/src/interfaces/delegator/IDelegatorHook.sol";
interface INetworkRestakeDecreaseHook is IDelegatorHook {
error NotNetworkRestakeDelegator();
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
interface IDelegatorHook {
/**
* @notice Called when a slash happens.
* @param subnetwork full identifier of the subnetwork (address of the network concatenated with the uint96 identifier)
* @param operator address of the operator
* @param amount amount of the collateral to be slashed
* @param captureTimestamp time point when the stake was captured
* @param data some additional data
*/
function onSlash(
bytes32 subnetwork,
address operator,
uint256 amount,
uint48 captureTimestamp,
bytes calldata data
) external;
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
interface IEntity {
error NotInitialized();
/**
* @notice Get the factory's address.
* @return address of the factory
*/
function FACTORY() external view returns (address);
/**
* @notice Get the entity's type.
* @return type of the entity
*/
function TYPE() external view returns (uint64);
/**
* @notice Initialize this entity contract by using a given data.
* @param data some data to use
*/
function initialize(
bytes calldata data
) external;
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import {IBaseDelegator} from "./IBaseDelegator.sol";
interface INetworkRestakeDelegator is IBaseDelegator {
error DuplicateRoleHolder();
error ExceedsMaxNetworkLimit();
error MissingRoleHolders();
error ZeroAddressRoleHolder();
/**
* @notice Hints for a stake.
* @param baseHints base hints
* @param activeStakeHint hint for the active stake checkpoint
* @param networkLimitHint hint for the subnetwork limit checkpoint
* @param totalOperatorNetworkSharesHint hint for the total operator-subnetwork shares checkpoint
* @param operatorNetworkSharesHint hint for the operator-subnetwork shares checkpoint
*/
struct StakeHints {
bytes baseHints;
bytes activeStakeHint;
bytes networkLimitHint;
bytes totalOperatorNetworkSharesHint;
bytes operatorNetworkSharesHint;
}
/**
* @notice Initial parameters needed for a full restaking delegator deployment.
* @param baseParams base parameters for delegators' deployment
* @param networkLimitSetRoleHolders array of addresses of the initial NETWORK_LIMIT_SET_ROLE holders
* @param operatorNetworkSharesSetRoleHolders array of addresses of the initial OPERATOR_NETWORK_SHARES_SET_ROLE holders
*/
struct InitParams {
IBaseDelegator.BaseParams baseParams;
address[] networkLimitSetRoleHolders;
address[] operatorNetworkSharesSetRoleHolders;
}
/**
* @notice Emitted when a subnetwork's limit is set.
* @param subnetwork full identifier of the subnetwork (address of the network concatenated with the uint96 identifier)
* @param amount new subnetwork's limit (how much stake the vault curator is ready to give to the subnetwork)
*/
event SetNetworkLimit(bytes32 indexed subnetwork, uint256 amount);
/**
* @notice Emitted when an operator's shares inside a subnetwork are set.
* @param subnetwork full identifier of the subnetwork (address of the network concatenated with the uint96 identifier)
* @param operator address of the operator
* @param shares new operator's shares inside the subnetwork (what percentage,
* which is equal to the shares divided by the total operators' shares,
* of the subnetwork's stake the vault curator is ready to give to the operator)
*/
event SetOperatorNetworkShares(bytes32 indexed subnetwork, address indexed operator, uint256 shares);
/**
* @notice Get a subnetwork limit setter's role.
* @return identifier of the subnetwork limit setter role
*/
function NETWORK_LIMIT_SET_ROLE() external view returns (bytes32);
/**
* @notice Get an operator-subnetwork shares setter's role.
* @return identifier of the operator-subnetwork shares setter role
*/
function OPERATOR_NETWORK_SHARES_SET_ROLE() external view returns (bytes32);
/**
* @notice Get a subnetwork's limit at a given timestamp using a hint
* (how much stake the vault curator is ready to give to the subnetwork).
* @param subnetwork full identifier of the subnetwork (address of the network concatenated with the uint96 identifier)
* @param timestamp time point to get the subnetwork limit at
* @param hint hint for checkpoint index
* @return limit of the subnetwork at the given timestamp
*/
function networkLimitAt(bytes32 subnetwork, uint48 timestamp, bytes memory hint) external view returns (uint256);
/**
* @notice Get a subnetwork's limit (how much stake the vault curator is ready to give to the subnetwork).
* @param subnetwork full identifier of the subnetwork (address of the network concatenated with the uint96 identifier)
* @return limit of the subnetwork
*/
function networkLimit(
bytes32 subnetwork
) external view returns (uint256);
/**
* @notice Get a sum of operators' shares for a subnetwork at a given timestamp using a hint.
* @param subnetwork full identifier of the subnetwork (address of the network concatenated with the uint96 identifier)
* @param timestamp time point to get the total operators' shares at
* @param hint hint for checkpoint index
* @return total shares of the operators for the subnetwork at the given timestamp
*/
function totalOperatorNetworkSharesAt(
bytes32 subnetwork,
uint48 timestamp,
bytes memory hint
) external view returns (uint256);
/**
* @notice Get a sum of operators' shares for a subnetwork.
* @param subnetwork full identifier of the subnetwork (address of the network concatenated with the uint96 identifier)
* @return total shares of the operators for the subnetwork
*/
function totalOperatorNetworkShares(
bytes32 subnetwork
) external view returns (uint256);
/**
* @notice Get an operator's shares for a subnetwork at a given timestamp using a hint (what percentage,
* which is equal to the shares divided by the total operators' shares,
* of the subnetwork's stake the vault curator is ready to give to the operator).
* @param subnetwork full identifier of the subnetwork (address of the network concatenated with the uint96 identifier)
* @param operator address of the operator
* @param timestamp time point to get the operator's shares at
* @param hint hint for checkpoint index
* @return shares of the operator for the subnetwork at the given timestamp
*/
function operatorNetworkSharesAt(
bytes32 subnetwork,
address operator,
uint48 timestamp,
bytes memory hint
) external view returns (uint256);
/**
* @notice Get an operator's shares for a subnetwork (what percentage,
* which is equal to the shares divided by the total operators' shares,
* of the subnetwork's stake the vault curator is ready to give to the operator).
* @param subnetwork full identifier of the subnetwork (address of the network concatenated with the uint96 identifier)
* @param operator address of the operator
* @return shares of the operator for the subnetwork
*/
function operatorNetworkShares(bytes32 subnetwork, address operator) external view returns (uint256);
/**
* @notice Set a subnetwork's limit (how much stake the vault curator is ready to give to the subnetwork).
* @param subnetwork full identifier of the subnetwork (address of the network concatenated with the uint96 identifier)
* @param amount new limit of the subnetwork
* @dev Only a NETWORK_LIMIT_SET_ROLE holder can call this function.
*/
function setNetworkLimit(bytes32 subnetwork, uint256 amount) external;
/**
* @notice Set an operator's shares for a subnetwork (what percentage,
* which is equal to the shares divided by the total operators' shares,
* of the subnetwork's stake the vault curator is ready to give to the operator).
* @param subnetwork full identifier of the subnetwork (address of the network concatenated with the uint96 identifier)
* @param operator address of the operator
* @param shares new shares of the operator for the subnetwork
* @dev Only an OPERATOR_NETWORK_SHARES_SET_ROLE holder can call this function.
*/
function setOperatorNetworkShares(bytes32 subnetwork, address operator, uint256 shares) external;
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import {IEntity} from "../common/IEntity.sol";
interface IBaseSlasher is IEntity {
error NoBurner();
error InsufficientBurnerGas();
error NotNetworkMiddleware();
error NotVault();
/**
* @notice Base parameters needed for slashers' deployment.
* @param isBurnerHook if the burner is needed to be called on a slashing
*/
struct BaseParams {
bool isBurnerHook;
}
/**
* @notice Hints for a slashable stake.
* @param stakeHints hints for the stake checkpoints
* @param cumulativeSlashFromHint hint for the cumulative slash amount at a capture timestamp
*/
struct SlashableStakeHints {
bytes stakeHints;
bytes cumulativeSlashFromHint;
}
/**
* @notice General data for the delegator.
* @param slasherType type of the slasher
* @param data slasher-dependent data for the delegator
*/
struct GeneralDelegatorData {
uint64 slasherType;
bytes data;
}
/**
* @notice Get a gas limit for the burner.
* @return value of the burner gas limit
*/
function BURNER_GAS_LIMIT() external view returns (uint256);
/**
* @notice Get a reserve gas between the gas limit check and the burner's execution.
* @return value of the reserve gas
*/
function BURNER_RESERVE() external view returns (uint256);
/**
* @notice Get the vault factory's address.
* @return address of the vault factory
*/
function VAULT_FACTORY() external view returns (address);
/**
* @notice Get the network middleware service's address.
* @return address of the network middleware service
*/
function NETWORK_MIDDLEWARE_SERVICE() external view returns (address);
/**
* @notice Get the vault's address.
* @return address of the vault to perform slashings on
*/
function vault() external view returns (address);
/**
* @notice Get if the burner is needed to be called on a slashing.
* @return if the burner is a hook
*/
function isBurnerHook() external view returns (bool);
/**
* @notice Get the latest capture timestamp that was slashed on a subnetwork.
* @param subnetwork full identifier of the subnetwork (address of the network concatenated with the uint96 identifier)
* @param operator address of the operator
* @return latest capture timestamp that was slashed
*/
function latestSlashedCaptureTimestamp(bytes32 subnetwork, address operator) external view returns (uint48);
/**
* @notice Get a cumulative slash amount for an operator on a subnetwork until a given timestamp (inclusively) using a hint.
* @param subnetwork full identifier of the subnetwork (address of the network concatenated with the uint96 identifier)
* @param operator address of the operator
* @param timestamp time point to get the cumulative slash amount until (inclusively)
* @param hint hint for the checkpoint index
* @return cumulative slash amount until the given timestamp (inclusively)
*/
function cumulativeSlashAt(
bytes32 subnetwork,
address operator,
uint48 timestamp,
bytes memory hint
) external view returns (uint256);
/**
* @notice Get a cumulative slash amount for an operator on a subnetwork.
* @param subnetwork full identifier of the subnetwork (address of the network concatenated with the uint96 identifier)
* @param operator address of the operator
* @return cumulative slash amount
*/
function cumulativeSlash(bytes32 subnetwork, address operator) external view returns (uint256);
/**
* @notice Get a slashable amount of a stake got at a given capture timestamp using hints.
* @param subnetwork full identifier of the subnetwork (address of the network concatenated with the uint96 identifier)
* @param operator address of the operator
* @param captureTimestamp time point to get the stake amount at
* @param hints hints for the checkpoints' indexes
* @return slashable amount of the stake
*/
function slashableStake(
bytes32 subnetwork,
address operator,
uint48 captureTimestamp,
bytes memory hints
) external view returns (uint256);
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import {IBaseSlasher} from "./IBaseSlasher.sol";
interface ISlasher is IBaseSlasher {
error InsufficientSlash();
error InvalidCaptureTimestamp();
/**
* @notice Initial parameters needed for a slasher deployment.
* @param baseParams base parameters for slashers' deployment
*/
struct InitParams {
IBaseSlasher.BaseParams baseParams;
}
/**
* @notice Hints for a slash.
* @param slashableStakeHints hints for the slashable stake checkpoints
*/
struct SlashHints {
bytes slashableStakeHints;
}
/**
* @notice Extra data for the delegator.
* @param slashableStake amount of the slashable stake before the slash (cache)
* @param stakeAt amount of the stake at the capture time (cache)
*/
struct DelegatorData {
uint256 slashableStake;
uint256 stakeAt;
}
/**
* @notice Emitted when a slash is performed.
* @param subnetwork subnetwork that requested the slash
* @param operator operator that is slashed
* @param slashedAmount virtual amount of the collateral slashed
* @param captureTimestamp time point when the stake was captured
*/
event Slash(bytes32 indexed subnetwork, address indexed operator, uint256 slashedAmount, uint48 captureTimestamp);
/**
* @notice Perform a slash using a subnetwork for a particular operator by a given amount using hints.
* @param subnetwork full identifier of the subnetwork (address of the network concatenated with the uint96 identifier)
* @param operator address of the operator
* @param amount maximum amount of the collateral to be slashed
* @param captureTimestamp time point when the stake was captured
* @param hints hints for checkpoints' indexes
* @return slashedAmount virtual amount of the collateral slashed
* @dev Only a network middleware can call this function.
*/
function slash(
bytes32 subnetwork,
address operator,
uint256 amount,
uint48 captureTimestamp,
bytes calldata hints
) external returns (uint256 slashedAmount);
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import {IBaseSlasher} from "./IBaseSlasher.sol";
interface IVetoSlasher is IBaseSlasher {
error AlreadySet();
error InsufficientSlash();
error InvalidCaptureTimestamp();
error InvalidResolverSetEpochsDelay();
error InvalidVetoDuration();
error NoResolver();
error NotNetwork();
error NotResolver();
error SlashPeriodEnded();
error SlashRequestCompleted();
error SlashRequestNotExist();
error VetoPeriodEnded();
error VetoPeriodNotEnded();
/**
* @notice Initial parameters needed for a slasher deployment.
* @param baseParams base parameters for slashers' deployment
* @param vetoDuration duration of the veto period for a slash request
* @param resolverSetEpochsDelay delay in epochs for a network to update a resolver
*/
struct InitParams {
IBaseSlasher.BaseParams baseParams;
uint48 vetoDuration;
uint256 resolverSetEpochsDelay;
}
/**
* @notice Structure for a slash request.
* @param subnetwork subnetwork that requested the slash
* @param operator operator that could be slashed (if the request is not vetoed)
* @param amount maximum amount of the collateral to be slashed
* @param captureTimestamp time point when the stake was captured
* @param vetoDeadline deadline for the resolver to veto the slash (exclusively)
* @param completed if the slash was vetoed/executed
*/
struct SlashRequest {
bytes32 subnetwork;
address operator;
uint256 amount;
uint48 captureTimestamp;
uint48 vetoDeadline;
bool completed;
}
/**
* @notice Hints for a slash request.
* @param slashableStakeHints hints for the slashable stake checkpoints
*/
struct RequestSlashHints {
bytes slashableStakeHints;
}
/**
* @notice Hints for a slash execute.
* @param captureResolverHint hint for the resolver checkpoint at the capture time
* @param currentResolverHint hint for the resolver checkpoint at the current time
* @param slashableStakeHints hints for the slashable stake checkpoints
*/
struct ExecuteSlashHints {
bytes captureResolverHint;
bytes currentResolverHint;
bytes slashableStakeHints;
}
/**
* @notice Hints for a slash veto.
* @param captureResolverHint hint for the resolver checkpoint at the capture time
* @param currentResolverHint hint for the resolver checkpoint at the current time
*/
struct VetoSlashHints {
bytes captureResolverHint;
bytes currentResolverHint;
}
/**
* @notice Hints for a resolver set.
* @param resolverHint hint for the resolver checkpoint
*/
struct SetResolverHints {
bytes resolverHint;
}
/**
* @notice Extra data for the delegator.
* @param slashableStake amount of the slashable stake before the slash (cache)
* @param stakeAt amount of the stake at the capture time (cache)
* @param slashIndex index of the slash request
*/
struct DelegatorData {
uint256 slashableStake;
uint256 stakeAt;
uint256 slashIndex;
}
/**
* @notice Emitted when a slash request is created.
* @param slashIndex index of the slash request
* @param subnetwork subnetwork that requested the slash
* @param operator operator that could be slashed (if the request is not vetoed)
* @param slashAmount maximum amount of the collateral to be slashed
* @param captureTimestamp time point when the stake was captured
* @param vetoDeadline deadline for the resolver to veto the slash (exclusively)
*/
event RequestSlash(
uint256 indexed slashIndex,
bytes32 indexed subnetwork,
address indexed operator,
uint256 slashAmount,
uint48 captureTimestamp,
uint48 vetoDeadline
);
/**
* @notice Emitted when a slash request is executed.
* @param slashIndex index of the slash request
* @param slashedAmount virtual amount of the collateral slashed
*/
event ExecuteSlash(uint256 indexed slashIndex, uint256 slashedAmount);
/**
* @notice Emitted when a slash request is vetoed.
* @param slashIndex index of the slash request
* @param resolver address of the resolver that vetoed the slash
*/
event VetoSlash(uint256 indexed slashIndex, address indexed resolver);
/**
* @notice Emitted when a resolver is set.
* @param subnetwork full identifier of the subnetwork (address of the network concatenated with the uint96 identifier)
* @param resolver address of the resolver
*/
event SetResolver(bytes32 indexed subnetwork, address resolver);
/**
* @notice Get the network registry's address.
* @return address of the network registry
*/
function NETWORK_REGISTRY() external view returns (address);
/**
* @notice Get a duration during which resolvers can veto slash requests.
* @return duration of the veto period
*/
function vetoDuration() external view returns (uint48);
/**
* @notice Get a total number of slash requests.
* @return total number of slash requests
*/
function slashRequestsLength() external view returns (uint256);
/**
* @notice Get a particular slash request.
* @param slashIndex index of the slash request
* @return subnetwork subnetwork that requested the slash
* @return operator operator that could be slashed (if the request is not vetoed)
* @return amount maximum amount of the collateral to be slashed
* @return captureTimestamp time point when the stake was captured
* @return vetoDeadline deadline for the resolver to veto the slash (exclusively)
* @return completed if the slash was vetoed/executed
*/
function slashRequests(
uint256 slashIndex
)
external
view
returns (
bytes32 subnetwork,
address operator,
uint256 amount,
uint48 captureTimestamp,
uint48 vetoDeadline,
bool completed
);
/**
* @notice Get a delay for networks in epochs to update a resolver.
* @return updating resolver delay in epochs
*/
function resolverSetEpochsDelay() external view returns (uint256);
/**
* @notice Get a resolver for a given subnetwork at a particular timestamp using a hint.
* @param subnetwork full identifier of the subnetwork (address of the network concatenated with the uint96 identifier)
* @param timestamp timestamp to get the resolver at
* @param hint hint for the checkpoint index
* @return address of the resolver
*/
function resolverAt(bytes32 subnetwork, uint48 timestamp, bytes memory hint) external view returns (address);
/**
* @notice Get a resolver for a given subnetwork using a hint.
* @param subnetwork full identifier of the subnetwork (address of the network concatenated with the uint96 identifier)
* @param hint hint for the checkpoint index
* @return address of the resolver
*/
function resolver(bytes32 subnetwork, bytes memory hint) external view returns (address);
/**
* @notice Request a slash using a subnetwork for a particular operator by a given amount using hints.
* @param subnetwork full identifier of the subnetwork (address of the network concatenated with the uint96 identifier)
* @param operator address of the operator
* @param amount maximum amount of the collateral to be slashed
* @param captureTimestamp time point when the stake was captured
* @param hints hints for checkpoints' indexes
* @return slashIndex index of the slash request
* @dev Only a network middleware can call this function.
*/
function requestSlash(
bytes32 subnetwork,
address operator,
uint256 amount,
uint48 captureTimestamp,
bytes calldata hints
) external returns (uint256 slashIndex);
/**
* @notice Execute a slash with a given slash index using hints.
* @param slashIndex index of the slash request
* @param hints hints for checkpoints' indexes
* @return slashedAmount virtual amount of the collateral slashed
* @dev Only a network middleware can call this function.
*/
function executeSlash(uint256 slashIndex, bytes calldata hints) external returns (uint256 slashedAmount);
/**
* @notice Veto a slash with a given slash index using hints.
* @param slashIndex index of the slash request
* @param hints hints for checkpoints' indexes
* @dev Only a resolver can call this function.
*/
function vetoSlash(uint256 slashIndex, bytes calldata hints) external;
/**
* @notice Set a resolver for a subnetwork using hints.
* identifier identifier of the subnetwork
* @param resolver address of the resolver
* @param hints hints for checkpoints' indexes
* @dev Only a network can call this function.
*/
function setResolver(uint96 identifier, address resolver, bytes calldata hints) external;
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/math/Math.sol)
pragma solidity ^0.8.20;
import {Panic} from "../Panic.sol";
import {SafeCast} from "./SafeCast.sol";
/**
* @dev Standard math utilities missing in the Solidity language.
*/
library Math {
enum Rounding {
Floor, // Toward negative infinity
Ceil, // Toward positive infinity
Trunc, // Toward zero
Expand // Away from zero
}
/**
* @dev Returns the addition of two unsigned integers, with an success flag (no overflow).
*/
function tryAdd(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) {
unchecked {
uint256 c = a + b;
if (c < a) return (false, 0);
return (true, c);
}
}
/**
* @dev Returns the subtraction of two unsigned integers, with an success flag (no overflow).
*/
function trySub(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) {
unchecked {
if (b > a) return (false, 0);
return (true, a - b);
}
}
/**
* @dev Returns the multiplication of two unsigned integers, with an success flag (no overflow).
*/
function tryMul(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) {
unchecked {
// Gas optimization: this is cheaper than requiring 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
if (a == 0) return (true, 0);
uint256 c = a * b;
if (c / a != b) return (false, 0);
return (true, c);
}
}
/**
* @dev Returns the division of two unsigned integers, with a success flag (no division by zero).
*/
function tryDiv(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) {
unchecked {
if (b == 0) return (false, 0);
return (true, a / b);
}
}
/**
* @dev Returns the remainder of dividing two unsigned integers, with a success flag (no division by zero).
*/
function tryMod(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) {
unchecked {
if (b == 0) return (false, 0);
return (true, a % b);
}
}
/**
* @dev Branchless ternary evaluation for `a ? b : c`. Gas costs are constant.
*
* IMPORTANT: This function may reduce bytecode size and consume less gas when used standalone.
* However, the compiler may optimize Solidity ternary operations (i.e. `a ? b : c`) to only compute
* one branch when needed, making this function more expensive.
*/
function ternary(bool condition, uint256 a, uint256 b) internal pure returns (uint256) {
unchecked {
// branchless ternary works because:
// b ^ (a ^ b) == a
// b ^ 0 == b
return b ^ ((a ^ b) * SafeCast.toUint(condition));
}
}
/**
* @dev Returns the largest of two numbers.
*/
function max(uint256 a, uint256 b) internal pure returns (uint256) {
return ternary(a > b, a, b);
}
/**
* @dev Returns the smallest of two numbers.
*/
function min(uint256 a, uint256 b) internal pure returns (uint256) {
return ternary(a < b, a, b);
}
/**
* @dev Returns the average of two numbers. The result is rounded towards
* zero.
*/
function average(uint256 a, uint256 b) internal pure returns (uint256) {
// (a + b) / 2 can overflow.
return (a & b) + (a ^ b) / 2;
}
/**
* @dev Returns the ceiling of the division of two numbers.
*
* This differs from standard division with `/` in that it rounds towards infinity instead
* of rounding towards zero.
*/
function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) {
if (b == 0) {
// Guarantee the same behavior as in a regular Solidity division.
Panic.panic(Panic.DIVISION_BY_ZERO);
}
// The following calculation ensures accurate ceiling division without overflow.
// Since a is non-zero, (a - 1) / b will not overflow.
// The largest possible result occurs when (a - 1) / b is type(uint256).max,
// but the largest value we can obtain is type(uint256).max - 1, which happens
// when a = type(uint256).max and b = 1.
unchecked {
return SafeCast.toUint(a > 0) * ((a - 1) / b + 1);
}
}
/**
* @dev Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or
* denominator == 0.
*
* Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv) with further edits by
* Uniswap Labs also under MIT license.
*/
function mulDiv(uint256 x, uint256 y, uint256 denominator) internal pure returns (uint256 result) {
unchecked {
// 512-bit multiply [prod1 prod0] = x * y. Compute the product mod 2²⁵⁶ and mod 2²⁵⁶ - 1, then use
// the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256
// variables such that product = prod1 * 2²⁵⁶ + prod0.
uint256 prod0 = x * y; // Least significant 256 bits of the product
uint256 prod1; // Most significant 256 bits of the product
assembly {
let mm := mulmod(x, y, not(0))
prod1 := sub(sub(mm, prod0), lt(mm, prod0))
}
// Handle non-overflow cases, 256 by 256 division.
if (prod1 == 0) {
// Solidity will revert if denominator == 0, unlike the div opcode on its own.
// The surrounding unchecked block does not change this fact.
// See https://docs.soliditylang.org/en/latest/control-structures.html#checked-or-unchecked-arithmetic.
return prod0 / denominator;
}
// Make sure the result is less than 2²⁵⁶. Also prevents denominator == 0.
if (denominator <= prod1) {
Panic.panic(ternary(denominator == 0, Panic.DIVISION_BY_ZERO, Panic.UNDER_OVERFLOW));
}
///////////////////////////////////////////////
// 512 by 256 division.
///////////////////////////////////////////////
// Make division exact by subtracting the remainder from [prod1 prod0].
uint256 remainder;
assembly {
// Compute remainder using mulmod.
remainder := mulmod(x, y, denominator)
// Subtract 256 bit number from 512 bit number.
prod1 := sub(prod1, gt(remainder, prod0))
prod0 := sub(prod0, remainder)
}
// Factor powers of two out of denominator and compute largest power of two divisor of denominator.
// Always >= 1. See https://cs.stackexchange.com/q/138556/92363.
uint256 twos = denominator & (0 - denominator);
assembly {
// Divide denominator by twos.
denominator := div(denominator, twos)
// Divide [prod1 prod0] by twos.
prod0 := div(prod0, twos)
// Flip twos such that it is 2²⁵⁶ / twos. If twos is zero, then it becomes one.
twos := add(div(sub(0, twos), twos), 1)
}
// Shift in bits from prod1 into prod0.
prod0 |= prod1 * twos;
// Invert denominator mod 2²⁵⁶. Now that denominator is an odd number, it has an inverse modulo 2²⁵⁶ such
// that denominator * inv ≡ 1 mod 2²⁵⁶. Compute the inverse by starting with a seed that is correct for
// four bits. That is, denominator * inv ≡ 1 mod 2⁴.
uint256 inverse = (3 * denominator) ^ 2;
// Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also
// works in modular arithmetic, doubling the correct bits in each step.
inverse *= 2 - denominator * inverse; // inverse mod 2⁸
inverse *= 2 - denominator * inverse; // inverse mod 2¹⁶
inverse *= 2 - denominator * inverse; // inverse mod 2³²
inverse *= 2 - denominator * inverse; // inverse mod 2⁶⁴
inverse *= 2 - denominator * inverse; // inverse mod 2¹²⁸
inverse *= 2 - denominator * inverse; // inverse mod 2²⁵⁶
// Because the division is now exact we can divide by multiplying with the modular inverse of denominator.
// This will give us the correct result modulo 2²⁵⁶. Since the preconditions guarantee that the outcome is
// less than 2²⁵⁶, this is the final result. We don't need to compute the high bits of the result and prod1
// is no longer required.
result = prod0 * inverse;
return result;
}
}
/**
* @dev Calculates x * y / denominator with full precision, following the selected rounding direction.
*/
function mulDiv(uint256 x, uint256 y, uint256 denominator, Rounding rounding) internal pure returns (uint256) {
return mulDiv(x, y, denominator) + SafeCast.toUint(unsignedRoundsUp(rounding) && mulmod(x, y, denominator) > 0);
}
/**
* @dev Calculate the modular multiplicative inverse of a number in Z/nZ.
*
* If n is a prime, then Z/nZ is a field. In that case all elements are inversible, except 0.
* If n is not a prime, then Z/nZ is not a field, and some elements might not be inversible.
*
* If the input value is not inversible, 0 is returned.
*
* NOTE: If you know for sure that n is (big) a prime, it may be cheaper to use Fermat's little theorem and get the
* inverse using `Math.modExp(a, n - 2, n)`. See {invModPrime}.
*/
function invMod(uint256 a, uint256 n) internal pure returns (uint256) {
unchecked {
if (n == 0) return 0;
// The inverse modulo is calculated using the Extended Euclidean Algorithm (iterative version)
// Used to compute integers x and y such that: ax + ny = gcd(a, n).
// When the gcd is 1, then the inverse of a modulo n exists and it's x.
// ax + ny = 1
// ax = 1 + (-y)n
// ax ≡ 1 (mod n) # x is the inverse of a modulo n
// If the remainder is 0 the gcd is n right away.
uint256 remainder = a % n;
uint256 gcd = n;
// Therefore the initial coefficients are:
// ax + ny = gcd(a, n) = n
// 0a + 1n = n
int256 x = 0;
int256 y = 1;
while (remainder != 0) {
uint256 quotient = gcd / remainder;
(gcd, remainder) = (
// The old remainder is the next gcd to try.
remainder,
// Compute the next remainder.
// Can't overflow given that (a % gcd) * (gcd // (a % gcd)) <= gcd
// where gcd is at most n (capped to type(uint256).max)
gcd - remainder * quotient
);
(x, y) = (
// Increment the coefficient of a.
y,
// Decrement the coefficient of n.
// Can overflow, but the result is casted to uint256 so that the
// next value of y is "wrapped around" to a value between 0 and n - 1.
x - y * int256(quotient)
);
}
if (gcd != 1) return 0; // No inverse exists.
return ternary(x < 0, n - uint256(-x), uint256(x)); // Wrap the result if it's negative.
}
}
/**
* @dev Variant of {invMod}. More efficient, but only works if `p` is known to be a prime greater than `2`.
*
* From https://en.wikipedia.org/wiki/Fermat%27s_little_theorem[Fermat's little theorem], we know that if p is
* prime, then `a**(p-1) ≡ 1 mod p`. As a consequence, we have `a * a**(p-2) ≡ 1 mod p`, which means that
* `a**(p-2)` is the modular multiplicative inverse of a in Fp.
*
* NOTE: this function does NOT check that `p` is a prime greater than `2`.
*/
function invModPrime(uint256 a, uint256 p) internal view returns (uint256) {
unchecked {
return Math.modExp(a, p - 2, p);
}
}
/**
* @dev Returns the modular exponentiation of the specified base, exponent and modulus (b ** e % m)
*
* Requirements:
* - modulus can't be zero
* - underlying staticcall to precompile must succeed
*
* IMPORTANT: The result is only valid if the underlying call succeeds. When using this function, make
* sure the chain you're using it on supports the precompiled contract for modular exponentiation
* at address 0x05 as specified in https://eips.ethereum.org/EIPS/eip-198[EIP-198]. Otherwise,
* the underlying function will succeed given the lack of a revert, but the result may be incorrectly
* interpreted as 0.
*/
function modExp(uint256 b, uint256 e, uint256 m) internal view returns (uint256) {
(bool success, uint256 result) = tryModExp(b, e, m);
if (!success) {
Panic.panic(Panic.DIVISION_BY_ZERO);
}
return result;
}
/**
* @dev Returns the modular exponentiation of the specified base, exponent and modulus (b ** e % m).
* It includes a success flag indicating if the operation succeeded. Operation will be marked as failed if trying
* to operate modulo 0 or if the underlying precompile reverted.
*
* IMPORTANT: The result is only valid if the success flag is true. When using this function, make sure the chain
* you're using it on supports the precompiled contract for modular exponentiation at address 0x05 as specified in
* https://eips.ethereum.org/EIPS/eip-198[EIP-198]. Otherwise, the underlying function will succeed given the lack
* of a revert, but the result may be incorrectly interpreted as 0.
*/
function tryModExp(uint256 b, uint256 e, uint256 m) internal view returns (bool success, uint256 result) {
if (m == 0) return (false, 0);
assembly ("memory-safe") {
let ptr := mload(0x40)
// | Offset | Content | Content (Hex) |
// |-----------|------------|--------------------------------------------------------------------|
// | 0x00:0x1f | size of b | 0x0000000000000000000000000000000000000000000000000000000000000020 |
// | 0x20:0x3f | size of e | 0x0000000000000000000000000000000000000000000000000000000000000020 |
// | 0x40:0x5f | size of m | 0x0000000000000000000000000000000000000000000000000000000000000020 |
// | 0x60:0x7f | value of b | 0x<.............................................................b> |
// | 0x80:0x9f | value of e | 0x<.............................................................e> |
// | 0xa0:0xbf | value of m | 0x<.............................................................m> |
mstore(ptr, 0x20)
mstore(add(ptr, 0x20), 0x20)
mstore(add(ptr, 0x40), 0x20)
mstore(add(ptr, 0x60), b)
mstore(add(ptr, 0x80), e)
mstore(add(ptr, 0xa0), m)
// Given the result < m, it's guaranteed to fit in 32 bytes,
// so we can use the memory scratch space located at offset 0.
success := staticcall(gas(), 0x05, ptr, 0xc0, 0x00, 0x20)
result := mload(0x00)
}
}
/**
* @dev Variant of {modExp} that supports inputs of arbitrary length.
*/
function modExp(bytes memory b, bytes memory e, bytes memory m) internal view returns (bytes memory) {
(bool success, bytes memory result) = tryModExp(b, e, m);
if (!success) {
Panic.panic(Panic.DIVISION_BY_ZERO);
}
return result;
}
/**
* @dev Variant of {tryModExp} that supports inputs of arbitrary length.
*/
function tryModExp(
bytes memory b,
bytes memory e,
bytes memory m
) internal view returns (bool success, bytes memory result) {
if (_zeroBytes(m)) return (false, new bytes(0));
uint256 mLen = m.length;
// Encode call args in result and move the free memory pointer
result = abi.encodePacked(b.length, e.length, mLen, b, e, m);
assembly ("memory-safe") {
let dataPtr := add(result, 0x20)
// Write result on top of args to avoid allocating extra memory.
success := staticcall(gas(), 0x05, dataPtr, mload(result), dataPtr, mLen)
// Overwrite the length.
// result.length > returndatasize() is guaranteed because returndatasize() == m.length
mstore(result, mLen)
// Set the memory pointer after the returned data.
mstore(0x40, add(dataPtr, mLen))
}
}
/**
* @dev Returns whether the provided byte array is zero.
*/
function _zeroBytes(bytes memory byteArray) private pure returns (bool) {
for (uint256 i = 0; i < byteArray.length; ++i) {
if (byteArray[i] != 0) {
return false;
}
}
return true;
}
/**
* @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded
* towards zero.
*
* This method is based on Newton's method for computing square roots; the algorithm is restricted to only
* using integer operations.
*/
function sqrt(uint256 a) internal pure returns (uint256) {
unchecked {
// Take care of easy edge cases when a == 0 or a == 1
if (a <= 1) {
return a;
}
// In this function, we use Newton's method to get a root of `f(x) := x² - a`. It involves building a
// sequence x_n that converges toward sqrt(a). For each iteration x_n, we also define the error between
// the current value as `ε_n = | x_n - sqrt(a) |`.
//
// For our first estimation, we consider `e` the smallest power of 2 which is bigger than the square root
// of the target. (i.e. `2**(e-1) ≤ sqrt(a) < 2**e`). We know that `e ≤ 128` because `(2¹²⁸)² = 2²⁵⁶` is
// bigger than any uint256.
//
// By noticing that
// `2**(e-1) ≤ sqrt(a) < 2**e → (2**(e-1))² ≤ a < (2**e)² → 2**(2*e-2) ≤ a < 2**(2*e)`
// we can deduce that `e - 1` is `log2(a) / 2`. We can thus compute `x_n = 2**(e-1)` using a method similar
// to the msb function.
uint256 aa = a;
uint256 xn = 1;
if (aa >= (1 << 128)) {
aa >>= 128;
xn <<= 64;
}
if (aa >= (1 << 64)) {
aa >>= 64;
xn <<= 32;
}
if (aa >= (1 << 32)) {
aa >>= 32;
xn <<= 16;
}
if (aa >= (1 << 16)) {
aa >>= 16;
xn <<= 8;
}
if (aa >= (1 << 8)) {
aa >>= 8;
xn <<= 4;
}
if (aa >= (1 << 4)) {
aa >>= 4;
xn <<= 2;
}
if (aa >= (1 << 2)) {
xn <<= 1;
}
// We now have x_n such that `x_n = 2**(e-1) ≤ sqrt(a) < 2**e = 2 * x_n`. This implies ε_n ≤ 2**(e-1).
//
// We can refine our estimation by noticing that the middle of that interval minimizes the error.
// If we move x_n to equal 2**(e-1) + 2**(e-2), then we reduce the error to ε_n ≤ 2**(e-2).
// This is going to be our x_0 (and ε_0)
xn = (3 * xn) >> 1; // ε_0 := | x_0 - sqrt(a) | ≤ 2**(e-2)
// From here, Newton's method give us:
// x_{n+1} = (x_n + a / x_n) / 2
//
// One should note that:
// x_{n+1}² - a = ((x_n + a / x_n) / 2)² - a
// = ((x_n² + a) / (2 * x_n))² - a
// = (x_n⁴ + 2 * a * x_n² + a²) / (4 * x_n²) - a
// = (x_n⁴ + 2 * a * x_n² + a² - 4 * a * x_n²) / (4 * x_n²)
// = (x_n⁴ - 2 * a * x_n² + a²) / (4 * x_n²)
// = (x_n² - a)² / (2 * x_n)²
// = ((x_n² - a) / (2 * x_n))²
// ≥ 0
// Which proves that for all n ≥ 1, sqrt(a) ≤ x_n
//
// This gives us the proof of quadratic convergence of the sequence:
// ε_{n+1} = | x_{n+1} - sqrt(a) |
// = | (x_n + a / x_n) / 2 - sqrt(a) |
// = | (x_n² + a - 2*x_n*sqrt(a)) / (2 * x_n) |
// = | (x_n - sqrt(a))² / (2 * x_n) |
// = | ε_n² / (2 * x_n) |
// = ε_n² / | (2 * x_n) |
//
// For the first iteration, we have a special case where x_0 is known:
// ε_1 = ε_0² / | (2 * x_0) |
// ≤ (2**(e-2))² / (2 * (2**(e-1) + 2**(e-2)))
// ≤ 2**(2*e-4) / (3 * 2**(e-1))
// ≤ 2**(e-3) / 3
// ≤ 2**(e-3-log2(3))
// ≤ 2**(e-4.5)
//
// For the following iterations, we use the fact that, 2**(e-1) ≤ sqrt(a) ≤ x_n:
// ε_{n+1} = ε_n² / | (2 * x_n) |
// ≤ (2**(e-k))² / (2 * 2**(e-1))
// ≤ 2**(2*e-2*k) / 2**e
// ≤ 2**(e-2*k)
xn = (xn + a / xn) >> 1; // ε_1 := | x_1 - sqrt(a) | ≤ 2**(e-4.5) -- special case, see above
xn = (xn + a / xn) >> 1; // ε_2 := | x_2 - sqrt(a) | ≤ 2**(e-9) -- general case with k = 4.5
xn = (xn + a / xn) >> 1; // ε_3 := | x_3 - sqrt(a) | ≤ 2**(e-18) -- general case with k = 9
xn = (xn + a / xn) >> 1; // ε_4 := | x_4 - sqrt(a) | ≤ 2**(e-36) -- general case with k = 18
xn = (xn + a / xn) >> 1; // ε_5 := | x_5 - sqrt(a) | ≤ 2**(e-72) -- general case with k = 36
xn = (xn + a / xn) >> 1; // ε_6 := | x_6 - sqrt(a) | ≤ 2**(e-144) -- general case with k = 72
// Because e ≤ 128 (as discussed during the first estimation phase), we know have reached a precision
// ε_6 ≤ 2**(e-144) < 1. Given we're operating on integers, then we can ensure that xn is now either
// sqrt(a) or sqrt(a) + 1.
return xn - SafeCast.toUint(xn > a / xn);
}
}
/**
* @dev Calculates sqrt(a), following the selected rounding direction.
*/
function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) {
unchecked {
uint256 result = sqrt(a);
return result + SafeCast.toUint(unsignedRoundsUp(rounding) && result * result < a);
}
}
/**
* @dev Return the log in base 2 of a positive value rounded towards zero.
* Returns 0 if given 0.
*/
function log2(uint256 value) internal pure returns (uint256) {
uint256 result = 0;
uint256 exp;
unchecked {
exp = 128 * SafeCast.toUint(value > (1 << 128) - 1);
value >>= exp;
result += exp;
exp = 64 * SafeCast.toUint(value > (1 << 64) - 1);
value >>= exp;
result += exp;
exp = 32 * SafeCast.toUint(value > (1 << 32) - 1);
value >>= exp;
result += exp;
exp = 16 * SafeCast.toUint(value > (1 << 16) - 1);
value >>= exp;
result += exp;
exp = 8 * SafeCast.toUint(value > (1 << 8) - 1);
value >>= exp;
result += exp;
exp = 4 * SafeCast.toUint(value > (1 << 4) - 1);
value >>= exp;
result += exp;
exp = 2 * SafeCast.toUint(value > (1 << 2) - 1);
value >>= exp;
result += exp;
result += SafeCast.toUint(value > 1);
}
return result;
}
/**
* @dev Return the log in base 2, following the selected rounding direction, of a positive value.
* Returns 0 if given 0.
*/
function log2(uint256 value, Rounding rounding) internal pure returns (uint256) {
unchecked {
uint256 result = log2(value);
return result + SafeCast.toUint(unsignedRoundsUp(rounding) && 1 << result < value);
}
}
/**
* @dev Return the log in base 10 of a positive value rounded towards zero.
* Returns 0 if given 0.
*/
function log10(uint256 value) internal pure returns (uint256) {
uint256 result = 0;
unchecked {
if (value >= 10 ** 64) {
value /= 10 ** 64;
result += 64;
}
if (value >= 10 ** 32) {
value /= 10 ** 32;
result += 32;
}
if (value >= 10 ** 16) {
value /= 10 ** 16;
result += 16;
}
if (value >= 10 ** 8) {
value /= 10 ** 8;
result += 8;
}
if (value >= 10 ** 4) {
value /= 10 ** 4;
result += 4;
}
if (value >= 10 ** 2) {
value /= 10 ** 2;
result += 2;
}
if (value >= 10 ** 1) {
result += 1;
}
}
return result;
}
/**
* @dev Return the log in base 10, following the selected rounding direction, of a positive value.
* Returns 0 if given 0.
*/
function log10(uint256 value, Rounding rounding) internal pure returns (uint256) {
unchecked {
uint256 result = log10(value);
return result + SafeCast.toUint(unsignedRoundsUp(rounding) && 10 ** result < value);
}
}
/**
* @dev Return the log in base 256 of a positive value rounded towards zero.
* Returns 0 if given 0.
*
* Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string.
*/
function log256(uint256 value) internal pure returns (uint256) {
uint256 result = 0;
uint256 isGt;
unchecked {
isGt = SafeCast.toUint(value > (1 << 128) - 1);
value >>= isGt * 128;
result += isGt * 16;
isGt = SafeCast.toUint(value > (1 << 64) - 1);
value >>= isGt * 64;
result += isGt * 8;
isGt = SafeCast.toUint(value > (1 << 32) - 1);
value >>= isGt * 32;
result += isGt * 4;
isGt = SafeCast.toUint(value > (1 << 16) - 1);
value >>= isGt * 16;
result += isGt * 2;
result += SafeCast.toUint(value > (1 << 8) - 1);
}
return result;
}
/**
* @dev Return the log in base 256, following the selected rounding direction, of a positive value.
* Returns 0 if given 0.
*/
function log256(uint256 value, Rounding rounding) internal pure returns (uint256) {
unchecked {
uint256 result = log256(value);
return result + SafeCast.toUint(unsignedRoundsUp(rounding) && 1 << (result << 3) < value);
}
}
/**
* @dev Returns whether a provided rounding mode is considered rounding up for unsigned integers.
*/
function unsignedRoundsUp(Rounding rounding) internal pure returns (bool) {
return uint8(rounding) % 2 == 1;
}
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import {IEntity} from "../common/IEntity.sol";
interface IBaseDelegator is IEntity {
error AlreadySet();
error InsufficientHookGas();
error NotNetwork();
error NotSlasher();
error NotVault();
/**
* @notice Base parameters needed for delegators' deployment.
* @param defaultAdminRoleHolder address of the initial DEFAULT_ADMIN_ROLE holder
* @param hook address of the hook contract
* @param hookSetRoleHolder address of the initial HOOK_SET_ROLE holder
*/
struct BaseParams {
address defaultAdminRoleHolder;
address hook;
address hookSetRoleHolder;
}
/**
* @notice Base hints for a stake.
* @param operatorVaultOptInHint hint for the operator-vault opt-in
* @param operatorNetworkOptInHint hint for the operator-network opt-in
*/
struct StakeBaseHints {
bytes operatorVaultOptInHint;
bytes operatorNetworkOptInHint;
}
/**
* @notice Emitted when a subnetwork's maximum limit is set.
* @param subnetwork full identifier of the subnetwork (address of the network concatenated with the uint96 identifier)
* @param amount new maximum subnetwork's limit (how much stake the subnetwork is ready to get)
*/
event SetMaxNetworkLimit(bytes32 indexed subnetwork, uint256 amount);
/**
* @notice Emitted when a slash happens.
* @param subnetwork full identifier of the subnetwork (address of the network concatenated with the uint96 identifier)
* @param operator address of the operator
* @param amount amount of the collateral to be slashed
* @param captureTimestamp time point when the stake was captured
*/
event OnSlash(bytes32 indexed subnetwork, address indexed operator, uint256 amount, uint48 captureTimestamp);
/**
* @notice Emitted when a hook is set.
* @param hook address of the hook
*/
event SetHook(address indexed hook);
/**
* @notice Get a version of the delegator (different versions mean different interfaces).
* @return version of the delegator
* @dev Must return 1 for this one.
*/
function VERSION() external view returns (uint64);
/**
* @notice Get the network registry's address.
* @return address of the network registry
*/
function NETWORK_REGISTRY() external view returns (address);
/**
* @notice Get the vault factory's address.
* @return address of the vault factory
*/
function VAULT_FACTORY() external view returns (address);
/**
* @notice Get the operator-vault opt-in service's address.
* @return address of the operator-vault opt-in service
*/
function OPERATOR_VAULT_OPT_IN_SERVICE() external view returns (address);
/**
* @notice Get the operator-network opt-in service's address.
* @return address of the operator-network opt-in service
*/
function OPERATOR_NETWORK_OPT_IN_SERVICE() external view returns (address);
/**
* @notice Get a gas limit for the hook.
* @return value of the hook gas limit
*/
function HOOK_GAS_LIMIT() external view returns (uint256);
/**
* @notice Get a reserve gas between the gas limit check and the hook's execution.
* @return value of the reserve gas
*/
function HOOK_RESERVE() external view returns (uint256);
/**
* @notice Get a hook setter's role.
* @return identifier of the hook setter role
*/
function HOOK_SET_ROLE() external view returns (bytes32);
/**
* @notice Get the vault's address.
* @return address of the vault
*/
function vault() external view returns (address);
/**
* @notice Get the hook's address.
* @return address of the hook
* @dev The hook can have arbitrary logic under certain functions, however, it doesn't affect the stake guarantees.
*/
function hook() external view returns (address);
/**
* @notice Get a particular subnetwork's maximum limit
* (meaning the subnetwork is not ready to get more as a stake).
* @param subnetwork full identifier of the subnetwork (address of the network concatenated with the uint96 identifier)
* @return maximum limit of the subnetwork
*/
function maxNetworkLimit(
bytes32 subnetwork
) external view returns (uint256);
/**
* @notice Get a stake that a given subnetwork could be able to slash for a certain operator at a given timestamp
* until the end of the consequent epoch using hints (if no cross-slashing and no slashings by the subnetwork).
* @param subnetwork full identifier of the subnetwork (address of the network concatenated with the uint96 identifier)
* @param operator address of the operator
* @param timestamp time point to capture the stake at
* @param hints hints for the checkpoints' indexes
* @return slashable stake at the given timestamp until the end of the consequent epoch
* @dev Warning: it is not safe to use timestamp >= current one for the stake capturing, as it can change later.
*/
function stakeAt(
bytes32 subnetwork,
address operator,
uint48 timestamp,
bytes memory hints
) external view returns (uint256);
/**
* @notice Get a stake that a given subnetwork will be able to slash
* for a certain operator until the end of the next epoch (if no cross-slashing and no slashings by the subnetwork).
* @param subnetwork full identifier of the subnetwork (address of the network concatenated with the uint96 identifier)
* @param operator address of the operator
* @return slashable stake until the end of the next epoch
* @dev Warning: this function is not safe to use for stake capturing, as it can change by the end of the block.
*/
function stake(bytes32 subnetwork, address operator) external view returns (uint256);
/**
* @notice Set a maximum limit for a subnetwork (how much stake the subnetwork is ready to get).
* identifier identifier of the subnetwork
* @param amount new maximum subnetwork's limit
* @dev Only a network can call this function.
*/
function setMaxNetworkLimit(uint96 identifier, uint256 amount) external;
/**
* @notice Set a new hook.
* @param hook address of the hook
* @dev Only a HOOK_SET_ROLE holder can call this function.
* The hook can have arbitrary logic under certain functions, however, it doesn't affect the stake guarantees.
*/
function setHook(
address hook
) external;
/**
* @notice Called when a slash happens.
* @param subnetwork full identifier of the subnetwork (address of the network concatenated with the uint96 identifier)
* @param operator address of the operator
* @param amount amount of the collateral slashed
* @param captureTimestamp time point when the stake was captured
* @param data some additional data
* @dev Only the vault's slasher can call this function.
*/
function onSlash(
bytes32 subnetwork,
address operator,
uint256 amount,
uint48 captureTimestamp,
bytes calldata data
) external;
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;
/**
* @dev Helper library for emitting standardized panic codes.
*
* ```solidity
* contract Example {
* using Panic for uint256;
*
* // Use any of the declared internal constants
* function foo() { Panic.GENERIC.panic(); }
*
* // Alternatively
* function foo() { Panic.panic(Panic.GENERIC); }
* }
* ```
*
* Follows the list from https://github.com/ethereum/solidity/blob/v0.8.24/libsolutil/ErrorCodes.h[libsolutil].
*
* _Available since v5.1._
*/
// slither-disable-next-line unused-state
library Panic {
/// @dev generic / unspecified error
uint256 internal constant GENERIC = 0x00;
/// @dev used by the assert() builtin
uint256 internal constant ASSERT = 0x01;
/// @dev arithmetic underflow or overflow
uint256 internal constant UNDER_OVERFLOW = 0x11;
/// @dev division or modulo by zero
uint256 internal constant DIVISION_BY_ZERO = 0x12;
/// @dev enum conversion error
uint256 internal constant ENUM_CONVERSION_ERROR = 0x21;
/// @dev invalid encoding in storage
uint256 internal constant STORAGE_ENCODING_ERROR = 0x22;
/// @dev empty array pop
uint256 internal constant EMPTY_ARRAY_POP = 0x31;
/// @dev array out of bounds access
uint256 internal constant ARRAY_OUT_OF_BOUNDS = 0x32;
/// @dev resource error (too large allocation or too large array)
uint256 internal constant RESOURCE_ERROR = 0x41;
/// @dev calling invalid internal function
uint256 internal constant INVALID_INTERNAL_FUNCTION = 0x51;
/// @dev Reverts with a panic code. Recommended to use with
/// the internal constants with predefined codes.
function panic(uint256 code) internal pure {
assembly ("memory-safe") {
mstore(0x00, 0x4e487b71)
mstore(0x20, code)
revert(0x1c, 0x24)
}
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/math/SafeCast.sol)
// This file was procedurally generated from scripts/generate/templates/SafeCast.js.
pragma solidity ^0.8.20;
/**
* @dev Wrappers over Solidity's uintXX/intXX/bool casting operators with added overflow
* checks.
*
* Downcasting from uint256/int256 in Solidity does not revert on overflow. This can
* easily result in undesired exploitation or bugs, since developers usually
* assume that overflows raise errors. `SafeCast` restores this intuition by
* reverting the transaction when such an operation overflows.
*
* Using this library instead of the unchecked operations eliminates an entire
* class of bugs, so it's recommended to use it always.
*/
library SafeCast {
/**
* @dev Value doesn't fit in an uint of `bits` size.
*/
error SafeCastOverflowedUintDowncast(uint8 bits, uint256 value);
/**
* @dev An int value doesn't fit in an uint of `bits` size.
*/
error SafeCastOverflowedIntToUint(int256 value);
/**
* @dev Value doesn't fit in an int of `bits` size.
*/
error SafeCastOverflowedIntDowncast(uint8 bits, int256 value);
/**
* @dev An uint value doesn't fit in an int of `bits` size.
*/
error SafeCastOverflowedUintToInt(uint256 value);
/**
* @dev Returns the downcasted uint248 from uint256, reverting on
* overflow (when the input is greater than largest uint248).
*
* Counterpart to Solidity's `uint248` operator.
*
* Requirements:
*
* - input must fit into 248 bits
*/
function toUint248(uint256 value) internal pure returns (uint248) {
if (value > type(uint248).max) {
revert SafeCastOverflowedUintDowncast(248, value);
}
return uint248(value);
}
/**
* @dev Returns the downcasted uint240 from uint256, reverting on
* overflow (when the input is greater than largest uint240).
*
* Counterpart to Solidity's `uint240` operator.
*
* Requirements:
*
* - input must fit into 240 bits
*/
function toUint240(uint256 value) internal pure returns (uint240) {
if (value > type(uint240).max) {
revert SafeCastOverflowedUintDowncast(240, value);
}
return uint240(value);
}
/**
* @dev Returns the downcasted uint232 from uint256, reverting on
* overflow (when the input is greater than largest uint232).
*
* Counterpart to Solidity's `uint232` operator.
*
* Requirements:
*
* - input must fit into 232 bits
*/
function toUint232(uint256 value) internal pure returns (uint232) {
if (value > type(uint232).max) {
revert SafeCastOverflowedUintDowncast(232, value);
}
return uint232(value);
}
/**
* @dev Returns the downcasted uint224 from uint256, reverting on
* overflow (when the input is greater than largest uint224).
*
* Counterpart to Solidity's `uint224` operator.
*
* Requirements:
*
* - input must fit into 224 bits
*/
function toUint224(uint256 value) internal pure returns (uint224) {
if (value > type(uint224).max) {
revert SafeCastOverflowedUintDowncast(224, value);
}
return uint224(value);
}
/**
* @dev Returns the downcasted uint216 from uint256, reverting on
* overflow (when the input is greater than largest uint216).
*
* Counterpart to Solidity's `uint216` operator.
*
* Requirements:
*
* - input must fit into 216 bits
*/
function toUint216(uint256 value) internal pure returns (uint216) {
if (value > type(uint216).max) {
revert SafeCastOverflowedUintDowncast(216, value);
}
return uint216(value);
}
/**
* @dev Returns the downcasted uint208 from uint256, reverting on
* overflow (when the input is greater than largest uint208).
*
* Counterpart to Solidity's `uint208` operator.
*
* Requirements:
*
* - input must fit into 208 bits
*/
function toUint208(uint256 value) internal pure returns (uint208) {
if (value > type(uint208).max) {
revert SafeCastOverflowedUintDowncast(208, value);
}
return uint208(value);
}
/**
* @dev Returns the downcasted uint200 from uint256, reverting on
* overflow (when the input is greater than largest uint200).
*
* Counterpart to Solidity's `uint200` operator.
*
* Requirements:
*
* - input must fit into 200 bits
*/
function toUint200(uint256 value) internal pure returns (uint200) {
if (value > type(uint200).max) {
revert SafeCastOverflowedUintDowncast(200, value);
}
return uint200(value);
}
/**
* @dev Returns the downcasted uint192 from uint256, reverting on
* overflow (when the input is greater than largest uint192).
*
* Counterpart to Solidity's `uint192` operator.
*
* Requirements:
*
* - input must fit into 192 bits
*/
function toUint192(uint256 value) internal pure returns (uint192) {
if (value > type(uint192).max) {
revert SafeCastOverflowedUintDowncast(192, value);
}
return uint192(value);
}
/**
* @dev Returns the downcasted uint184 from uint256, reverting on
* overflow (when the input is greater than largest uint184).
*
* Counterpart to Solidity's `uint184` operator.
*
* Requirements:
*
* - input must fit into 184 bits
*/
function toUint184(uint256 value) internal pure returns (uint184) {
if (value > type(uint184).max) {
revert SafeCastOverflowedUintDowncast(184, value);
}
return uint184(value);
}
/**
* @dev Returns the downcasted uint176 from uint256, reverting on
* overflow (when the input is greater than largest uint176).
*
* Counterpart to Solidity's `uint176` operator.
*
* Requirements:
*
* - input must fit into 176 bits
*/
function toUint176(uint256 value) internal pure returns (uint176) {
if (value > type(uint176).max) {
revert SafeCastOverflowedUintDowncast(176, value);
}
return uint176(value);
}
/**
* @dev Returns the downcasted uint168 from uint256, reverting on
* overflow (when the input is greater than largest uint168).
*
* Counterpart to Solidity's `uint168` operator.
*
* Requirements:
*
* - input must fit into 168 bits
*/
function toUint168(uint256 value) internal pure returns (uint168) {
if (value > type(uint168).max) {
revert SafeCastOverflowedUintDowncast(168, value);
}
return uint168(value);
}
/**
* @dev Returns the downcasted uint160 from uint256, reverting on
* overflow (when the input is greater than largest uint160).
*
* Counterpart to Solidity's `uint160` operator.
*
* Requirements:
*
* - input must fit into 160 bits
*/
function toUint160(uint256 value) internal pure returns (uint160) {
if (value > type(uint160).max) {
revert SafeCastOverflowedUintDowncast(160, value);
}
return uint160(value);
}
/**
* @dev Returns the downcasted uint152 from uint256, reverting on
* overflow (when the input is greater than largest uint152).
*
* Counterpart to Solidity's `uint152` operator.
*
* Requirements:
*
* - input must fit into 152 bits
*/
function toUint152(uint256 value) internal pure returns (uint152) {
if (value > type(uint152).max) {
revert SafeCastOverflowedUintDowncast(152, value);
}
return uint152(value);
}
/**
* @dev Returns the downcasted uint144 from uint256, reverting on
* overflow (when the input is greater than largest uint144).
*
* Counterpart to Solidity's `uint144` operator.
*
* Requirements:
*
* - input must fit into 144 bits
*/
function toUint144(uint256 value) internal pure returns (uint144) {
if (value > type(uint144).max) {
revert SafeCastOverflowedUintDowncast(144, value);
}
return uint144(value);
}
/**
* @dev Returns the downcasted uint136 from uint256, reverting on
* overflow (when the input is greater than largest uint136).
*
* Counterpart to Solidity's `uint136` operator.
*
* Requirements:
*
* - input must fit into 136 bits
*/
function toUint136(uint256 value) internal pure returns (uint136) {
if (value > type(uint136).max) {
revert SafeCastOverflowedUintDowncast(136, value);
}
return uint136(value);
}
/**
* @dev Returns the downcasted uint128 from uint256, reverting on
* overflow (when the input is greater than largest uint128).
*
* Counterpart to Solidity's `uint128` operator.
*
* Requirements:
*
* - input must fit into 128 bits
*/
function toUint128(uint256 value) internal pure returns (uint128) {
if (value > type(uint128).max) {
revert SafeCastOverflowedUintDowncast(128, value);
}
return uint128(value);
}
/**
* @dev Returns the downcasted uint120 from uint256, reverting on
* overflow (when the input is greater than largest uint120).
*
* Counterpart to Solidity's `uint120` operator.
*
* Requirements:
*
* - input must fit into 120 bits
*/
function toUint120(uint256 value) internal pure returns (uint120) {
if (value > type(uint120).max) {
revert SafeCastOverflowedUintDowncast(120, value);
}
return uint120(value);
}
/**
* @dev Returns the downcasted uint112 from uint256, reverting on
* overflow (when the input is greater than largest uint112).
*
* Counterpart to Solidity's `uint112` operator.
*
* Requirements:
*
* - input must fit into 112 bits
*/
function toUint112(uint256 value) internal pure returns (uint112) {
if (value > type(uint112).max) {
revert SafeCastOverflowedUintDowncast(112, value);
}
return uint112(value);
}
/**
* @dev Returns the downcasted uint104 from uint256, reverting on
* overflow (when the input is greater than largest uint104).
*
* Counterpart to Solidity's `uint104` operator.
*
* Requirements:
*
* - input must fit into 104 bits
*/
function toUint104(uint256 value) internal pure returns (uint104) {
if (value > type(uint104).max) {
revert SafeCastOverflowedUintDowncast(104, value);
}
return uint104(value);
}
/**
* @dev Returns the downcasted uint96 from uint256, reverting on
* overflow (when the input is greater than largest uint96).
*
* Counterpart to Solidity's `uint96` operator.
*
* Requirements:
*
* - input must fit into 96 bits
*/
function toUint96(uint256 value) internal pure returns (uint96) {
if (value > type(uint96).max) {
revert SafeCastOverflowedUintDowncast(96, value);
}
return uint96(value);
}
/**
* @dev Returns the downcasted uint88 from uint256, reverting on
* overflow (when the input is greater than largest uint88).
*
* Counterpart to Solidity's `uint88` operator.
*
* Requirements:
*
* - input must fit into 88 bits
*/
function toUint88(uint256 value) internal pure returns (uint88) {
if (value > type(uint88).max) {
revert SafeCastOverflowedUintDowncast(88, value);
}
return uint88(value);
}
/**
* @dev Returns the downcasted uint80 from uint256, reverting on
* overflow (when the input is greater than largest uint80).
*
* Counterpart to Solidity's `uint80` operator.
*
* Requirements:
*
* - input must fit into 80 bits
*/
function toUint80(uint256 value) internal pure returns (uint80) {
if (value > type(uint80).max) {
revert SafeCastOverflowedUintDowncast(80, value);
}
return uint80(value);
}
/**
* @dev Returns the downcasted uint72 from uint256, reverting on
* overflow (when the input is greater than largest uint72).
*
* Counterpart to Solidity's `uint72` operator.
*
* Requirements:
*
* - input must fit into 72 bits
*/
function toUint72(uint256 value) internal pure returns (uint72) {
if (value > type(uint72).max) {
revert SafeCastOverflowedUintDowncast(72, value);
}
return uint72(value);
}
/**
* @dev Returns the downcasted uint64 from uint256, reverting on
* overflow (when the input is greater than largest uint64).
*
* Counterpart to Solidity's `uint64` operator.
*
* Requirements:
*
* - input must fit into 64 bits
*/
function toUint64(uint256 value) internal pure returns (uint64) {
if (value > type(uint64).max) {
revert SafeCastOverflowedUintDowncast(64, value);
}
return uint64(value);
}
/**
* @dev Returns the downcasted uint56 from uint256, reverting on
* overflow (when the input is greater than largest uint56).
*
* Counterpart to Solidity's `uint56` operator.
*
* Requirements:
*
* - input must fit into 56 bits
*/
function toUint56(uint256 value) internal pure returns (uint56) {
if (value > type(uint56).max) {
revert SafeCastOverflowedUintDowncast(56, value);
}
return uint56(value);
}
/**
* @dev Returns the downcasted uint48 from uint256, reverting on
* overflow (when the input is greater than largest uint48).
*
* Counterpart to Solidity's `uint48` operator.
*
* Requirements:
*
* - input must fit into 48 bits
*/
function toUint48(uint256 value) internal pure returns (uint48) {
if (value > type(uint48).max) {
revert SafeCastOverflowedUintDowncast(48, value);
}
return uint48(value);
}
/**
* @dev Returns the downcasted uint40 from uint256, reverting on
* overflow (when the input is greater than largest uint40).
*
* Counterpart to Solidity's `uint40` operator.
*
* Requirements:
*
* - input must fit into 40 bits
*/
function toUint40(uint256 value) internal pure returns (uint40) {
if (value > type(uint40).max) {
revert SafeCastOverflowedUintDowncast(40, value);
}
return uint40(value);
}
/**
* @dev Returns the downcasted uint32 from uint256, reverting on
* overflow (when the input is greater than largest uint32).
*
* Counterpart to Solidity's `uint32` operator.
*
* Requirements:
*
* - input must fit into 32 bits
*/
function toUint32(uint256 value) internal pure returns (uint32) {
if (value > type(uint32).max) {
revert SafeCastOverflowedUintDowncast(32, value);
}
return uint32(value);
}
/**
* @dev Returns the downcasted uint24 from uint256, reverting on
* overflow (when the input is greater than largest uint24).
*
* Counterpart to Solidity's `uint24` operator.
*
* Requirements:
*
* - input must fit into 24 bits
*/
function toUint24(uint256 value) internal pure returns (uint24) {
if (value > type(uint24).max) {
revert SafeCastOverflowedUintDowncast(24, value);
}
return uint24(value);
}
/**
* @dev Returns the downcasted uint16 from uint256, reverting on
* overflow (when the input is greater than largest uint16).
*
* Counterpart to Solidity's `uint16` operator.
*
* Requirements:
*
* - input must fit into 16 bits
*/
function toUint16(uint256 value) internal pure returns (uint16) {
if (value > type(uint16).max) {
revert SafeCastOverflowedUintDowncast(16, value);
}
return uint16(value);
}
/**
* @dev Returns the downcasted uint8 from uint256, reverting on
* overflow (when the input is greater than largest uint8).
*
* Counterpart to Solidity's `uint8` operator.
*
* Requirements:
*
* - input must fit into 8 bits
*/
function toUint8(uint256 value) internal pure returns (uint8) {
if (value > type(uint8).max) {
revert SafeCastOverflowedUintDowncast(8, value);
}
return uint8(value);
}
/**
* @dev Converts a signed int256 into an unsigned uint256.
*
* Requirements:
*
* - input must be greater than or equal to 0.
*/
function toUint256(int256 value) internal pure returns (uint256) {
if (value < 0) {
revert SafeCastOverflowedIntToUint(value);
}
return uint256(value);
}
/**
* @dev Returns the downcasted int248 from int256, reverting on
* overflow (when the input is less than smallest int248 or
* greater than largest int248).
*
* Counterpart to Solidity's `int248` operator.
*
* Requirements:
*
* - input must fit into 248 bits
*/
function toInt248(int256 value) internal pure returns (int248 downcasted) {
downcasted = int248(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(248, value);
}
}
/**
* @dev Returns the downcasted int240 from int256, reverting on
* overflow (when the input is less than smallest int240 or
* greater than largest int240).
*
* Counterpart to Solidity's `int240` operator.
*
* Requirements:
*
* - input must fit into 240 bits
*/
function toInt240(int256 value) internal pure returns (int240 downcasted) {
downcasted = int240(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(240, value);
}
}
/**
* @dev Returns the downcasted int232 from int256, reverting on
* overflow (when the input is less than smallest int232 or
* greater than largest int232).
*
* Counterpart to Solidity's `int232` operator.
*
* Requirements:
*
* - input must fit into 232 bits
*/
function toInt232(int256 value) internal pure returns (int232 downcasted) {
downcasted = int232(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(232, value);
}
}
/**
* @dev Returns the downcasted int224 from int256, reverting on
* overflow (when the input is less than smallest int224 or
* greater than largest int224).
*
* Counterpart to Solidity's `int224` operator.
*
* Requirements:
*
* - input must fit into 224 bits
*/
function toInt224(int256 value) internal pure returns (int224 downcasted) {
downcasted = int224(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(224, value);
}
}
/**
* @dev Returns the downcasted int216 from int256, reverting on
* overflow (when the input is less than smallest int216 or
* greater than largest int216).
*
* Counterpart to Solidity's `int216` operator.
*
* Requirements:
*
* - input must fit into 216 bits
*/
function toInt216(int256 value) internal pure returns (int216 downcasted) {
downcasted = int216(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(216, value);
}
}
/**
* @dev Returns the downcasted int208 from int256, reverting on
* overflow (when the input is less than smallest int208 or
* greater than largest int208).
*
* Counterpart to Solidity's `int208` operator.
*
* Requirements:
*
* - input must fit into 208 bits
*/
function toInt208(int256 value) internal pure returns (int208 downcasted) {
downcasted = int208(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(208, value);
}
}
/**
* @dev Returns the downcasted int200 from int256, reverting on
* overflow (when the input is less than smallest int200 or
* greater than largest int200).
*
* Counterpart to Solidity's `int200` operator.
*
* Requirements:
*
* - input must fit into 200 bits
*/
function toInt200(int256 value) internal pure returns (int200 downcasted) {
downcasted = int200(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(200, value);
}
}
/**
* @dev Returns the downcasted int192 from int256, reverting on
* overflow (when the input is less than smallest int192 or
* greater than largest int192).
*
* Counterpart to Solidity's `int192` operator.
*
* Requirements:
*
* - input must fit into 192 bits
*/
function toInt192(int256 value) internal pure returns (int192 downcasted) {
downcasted = int192(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(192, value);
}
}
/**
* @dev Returns the downcasted int184 from int256, reverting on
* overflow (when the input is less than smallest int184 or
* greater than largest int184).
*
* Counterpart to Solidity's `int184` operator.
*
* Requirements:
*
* - input must fit into 184 bits
*/
function toInt184(int256 value) internal pure returns (int184 downcasted) {
downcasted = int184(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(184, value);
}
}
/**
* @dev Returns the downcasted int176 from int256, reverting on
* overflow (when the input is less than smallest int176 or
* greater than largest int176).
*
* Counterpart to Solidity's `int176` operator.
*
* Requirements:
*
* - input must fit into 176 bits
*/
function toInt176(int256 value) internal pure returns (int176 downcasted) {
downcasted = int176(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(176, value);
}
}
/**
* @dev Returns the downcasted int168 from int256, reverting on
* overflow (when the input is less than smallest int168 or
* greater than largest int168).
*
* Counterpart to Solidity's `int168` operator.
*
* Requirements:
*
* - input must fit into 168 bits
*/
function toInt168(int256 value) internal pure returns (int168 downcasted) {
downcasted = int168(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(168, value);
}
}
/**
* @dev Returns the downcasted int160 from int256, reverting on
* overflow (when the input is less than smallest int160 or
* greater than largest int160).
*
* Counterpart to Solidity's `int160` operator.
*
* Requirements:
*
* - input must fit into 160 bits
*/
function toInt160(int256 value) internal pure returns (int160 downcasted) {
downcasted = int160(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(160, value);
}
}
/**
* @dev Returns the downcasted int152 from int256, reverting on
* overflow (when the input is less than smallest int152 or
* greater than largest int152).
*
* Counterpart to Solidity's `int152` operator.
*
* Requirements:
*
* - input must fit into 152 bits
*/
function toInt152(int256 value) internal pure returns (int152 downcasted) {
downcasted = int152(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(152, value);
}
}
/**
* @dev Returns the downcasted int144 from int256, reverting on
* overflow (when the input is less than smallest int144 or
* greater than largest int144).
*
* Counterpart to Solidity's `int144` operator.
*
* Requirements:
*
* - input must fit into 144 bits
*/
function toInt144(int256 value) internal pure returns (int144 downcasted) {
downcasted = int144(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(144, value);
}
}
/**
* @dev Returns the downcasted int136 from int256, reverting on
* overflow (when the input is less than smallest int136 or
* greater than largest int136).
*
* Counterpart to Solidity's `int136` operator.
*
* Requirements:
*
* - input must fit into 136 bits
*/
function toInt136(int256 value) internal pure returns (int136 downcasted) {
downcasted = int136(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(136, value);
}
}
/**
* @dev Returns the downcasted int128 from int256, reverting on
* overflow (when the input is less than smallest int128 or
* greater than largest int128).
*
* Counterpart to Solidity's `int128` operator.
*
* Requirements:
*
* - input must fit into 128 bits
*/
function toInt128(int256 value) internal pure returns (int128 downcasted) {
downcasted = int128(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(128, value);
}
}
/**
* @dev Returns the downcasted int120 from int256, reverting on
* overflow (when the input is less than smallest int120 or
* greater than largest int120).
*
* Counterpart to Solidity's `int120` operator.
*
* Requirements:
*
* - input must fit into 120 bits
*/
function toInt120(int256 value) internal pure returns (int120 downcasted) {
downcasted = int120(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(120, value);
}
}
/**
* @dev Returns the downcasted int112 from int256, reverting on
* overflow (when the input is less than smallest int112 or
* greater than largest int112).
*
* Counterpart to Solidity's `int112` operator.
*
* Requirements:
*
* - input must fit into 112 bits
*/
function toInt112(int256 value) internal pure returns (int112 downcasted) {
downcasted = int112(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(112, value);
}
}
/**
* @dev Returns the downcasted int104 from int256, reverting on
* overflow (when the input is less than smallest int104 or
* greater than largest int104).
*
* Counterpart to Solidity's `int104` operator.
*
* Requirements:
*
* - input must fit into 104 bits
*/
function toInt104(int256 value) internal pure returns (int104 downcasted) {
downcasted = int104(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(104, value);
}
}
/**
* @dev Returns the downcasted int96 from int256, reverting on
* overflow (when the input is less than smallest int96 or
* greater than largest int96).
*
* Counterpart to Solidity's `int96` operator.
*
* Requirements:
*
* - input must fit into 96 bits
*/
function toInt96(int256 value) internal pure returns (int96 downcasted) {
downcasted = int96(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(96, value);
}
}
/**
* @dev Returns the downcasted int88 from int256, reverting on
* overflow (when the input is less than smallest int88 or
* greater than largest int88).
*
* Counterpart to Solidity's `int88` operator.
*
* Requirements:
*
* - input must fit into 88 bits
*/
function toInt88(int256 value) internal pure returns (int88 downcasted) {
downcasted = int88(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(88, value);
}
}
/**
* @dev Returns the downcasted int80 from int256, reverting on
* overflow (when the input is less than smallest int80 or
* greater than largest int80).
*
* Counterpart to Solidity's `int80` operator.
*
* Requirements:
*
* - input must fit into 80 bits
*/
function toInt80(int256 value) internal pure returns (int80 downcasted) {
downcasted = int80(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(80, value);
}
}
/**
* @dev Returns the downcasted int72 from int256, reverting on
* overflow (when the input is less than smallest int72 or
* greater than largest int72).
*
* Counterpart to Solidity's `int72` operator.
*
* Requirements:
*
* - input must fit into 72 bits
*/
function toInt72(int256 value) internal pure returns (int72 downcasted) {
downcasted = int72(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(72, value);
}
}
/**
* @dev Returns the downcasted int64 from int256, reverting on
* overflow (when the input is less than smallest int64 or
* greater than largest int64).
*
* Counterpart to Solidity's `int64` operator.
*
* Requirements:
*
* - input must fit into 64 bits
*/
function toInt64(int256 value) internal pure returns (int64 downcasted) {
downcasted = int64(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(64, value);
}
}
/**
* @dev Returns the downcasted int56 from int256, reverting on
* overflow (when the input is less than smallest int56 or
* greater than largest int56).
*
* Counterpart to Solidity's `int56` operator.
*
* Requirements:
*
* - input must fit into 56 bits
*/
function toInt56(int256 value) internal pure returns (int56 downcasted) {
downcasted = int56(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(56, value);
}
}
/**
* @dev Returns the downcasted int48 from int256, reverting on
* overflow (when the input is less than smallest int48 or
* greater than largest int48).
*
* Counterpart to Solidity's `int48` operator.
*
* Requirements:
*
* - input must fit into 48 bits
*/
function toInt48(int256 value) internal pure returns (int48 downcasted) {
downcasted = int48(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(48, value);
}
}
/**
* @dev Returns the downcasted int40 from int256, reverting on
* overflow (when the input is less than smallest int40 or
* greater than largest int40).
*
* Counterpart to Solidity's `int40` operator.
*
* Requirements:
*
* - input must fit into 40 bits
*/
function toInt40(int256 value) internal pure returns (int40 downcasted) {
downcasted = int40(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(40, value);
}
}
/**
* @dev Returns the downcasted int32 from int256, reverting on
* overflow (when the input is less than smallest int32 or
* greater than largest int32).
*
* Counterpart to Solidity's `int32` operator.
*
* Requirements:
*
* - input must fit into 32 bits
*/
function toInt32(int256 value) internal pure returns (int32 downcasted) {
downcasted = int32(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(32, value);
}
}
/**
* @dev Returns the downcasted int24 from int256, reverting on
* overflow (when the input is less than smallest int24 or
* greater than largest int24).
*
* Counterpart to Solidity's `int24` operator.
*
* Requirements:
*
* - input must fit into 24 bits
*/
function toInt24(int256 value) internal pure returns (int24 downcasted) {
downcasted = int24(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(24, value);
}
}
/**
* @dev Returns the downcasted int16 from int256, reverting on
* overflow (when the input is less than smallest int16 or
* greater than largest int16).
*
* Counterpart to Solidity's `int16` operator.
*
* Requirements:
*
* - input must fit into 16 bits
*/
function toInt16(int256 value) internal pure returns (int16 downcasted) {
downcasted = int16(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(16, value);
}
}
/**
* @dev Returns the downcasted int8 from int256, reverting on
* overflow (when the input is less than smallest int8 or
* greater than largest int8).
*
* Counterpart to Solidity's `int8` operator.
*
* Requirements:
*
* - input must fit into 8 bits
*/
function toInt8(int256 value) internal pure returns (int8 downcasted) {
downcasted = int8(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(8, value);
}
}
/**
* @dev Converts an unsigned uint256 into a signed int256.
*
* Requirements:
*
* - input must be less than or equal to maxInt256.
*/
function toInt256(uint256 value) internal pure returns (int256) {
// Note: Unsafe cast below is okay because `type(int256).max` is guaranteed to be positive
if (value > uint256(type(int256).max)) {
revert SafeCastOverflowedUintToInt(value);
}
return int256(value);
}
/**
* @dev Cast a boolean (false or true) to a uint256 (0 or 1) with no jump.
*/
function toUint(bool b) internal pure returns (uint256 u) {
assembly ("memory-safe") {
u := iszero(iszero(b))
}
}
}{
"remappings": [
"forge-std/=lib/forge-std/src/",
"@openzeppelin/contracts/=lib/openzeppelin-contracts/contracts/",
"@openzeppelin/contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/contracts/",
"@symbioticfi/core/=lib/core/",
"core/=lib/core/",
"ds-test/=lib/openzeppelin-contracts-upgradeable/lib/forge-std/lib/ds-test/src/",
"erc4626-tests/=lib/openzeppelin-contracts-upgradeable/lib/erc4626-tests/",
"halmos-cheatcodes/=lib/openzeppelin-contracts/lib/halmos-cheatcodes/src/",
"openzeppelin-contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/",
"openzeppelin-contracts/=lib/openzeppelin-contracts/"
],
"optimizer": {
"enabled": true,
"runs": 200
},
"metadata": {
"useLiteralContent": false,
"bytecodeHash": "ipfs",
"appendCBOR": true
},
"outputSelection": {
"*": {
"*": [
"evm.bytecode",
"evm.deployedBytecode",
"devdoc",
"userdoc",
"metadata",
"abi"
]
}
},
"evmVersion": "cancun",
"viaIR": true,
"libraries": {}
}Contract ABI
API[{"inputs":[],"name":"NotNetworkRestakeDelegator","type":"error"},{"inputs":[{"internalType":"bytes32","name":"subnetwork","type":"bytes32"},{"internalType":"address","name":"operator","type":"address"},{"internalType":"uint256","name":"slashedAmount","type":"uint256"},{"internalType":"uint48","name":"captureTimestamp","type":"uint48"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"onSlash","outputs":[],"stateMutability":"nonpayable","type":"function"}]Contract Creation Code
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Deployed Bytecode
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A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.