hood// SPDX-License-Identifier: BUSL-1.1
pragma solidity =0.7.6;
import './interfaces/IUniswapV3Pool.sol';
import './NoDelegateCall.sol';
import './libraries/LowGasSafeMath.sol';
import './libraries/SafeCast.sol';
import './libraries/Tick.sol';
import './libraries/TickBitmap.sol';
import './libraries/Position.sol';
import './libraries/Oracle.sol';
import './libraries/FullMath.sol';
import './libraries/FixedPoint128.sol';
import './libraries/TransferHelper.sol';
import './libraries/TickMath.sol';
import './libraries/LiquidityMath.sol';
import './libraries/SqrtPriceMath.sol';
import './libraries/SwapMath.sol';
import './interfaces/IUniswapV3PoolDeployer.sol';
import './interfaces/IUniswapV3Factory.sol';
import './interfaces/IERC20Minimal.sol';
import './interfaces/callback/IUniswapV3MintCallback.sol';
import './interfaces/callback/IUniswapV3SwapCallback.sol';
import './interfaces/callback/IUniswapV3FlashCallback.sol';
contract UniswapV3Pool is IUniswapV3Pool, NoDelegateCall {
using LowGasSafeMath for uint256;
using LowGasSafeMath for int256;
using SafeCast for uint256;
using SafeCast for int256;
using Tick for mapping(int24 => Tick.Info);
using TickBitmap for mapping(int16 => uint256);
using Position for mapping(bytes32 => Position.Info);
using Position for Position.Info;
using Oracle for Oracle.Observation[65535];
/// @inheritdoc IUniswapV3PoolImmutables
address public immutable override factory;
/// @inheritdoc IUniswapV3PoolImmutables
address public immutable override token0;
/// @inheritdoc IUniswapV3PoolImmutables
address public immutable override token1;
/// @inheritdoc IUniswapV3PoolImmutables
uint24 public immutable override fee;
/// @inheritdoc IUniswapV3PoolImmutables
int24 public immutable override tickSpacing;
/// @inheritdoc IUniswapV3PoolImmutables
uint128 public immutable override maxLiquidityPerTick;
struct Slot0 {
// the current price
uint160 sqrtPriceX96;
// the current tick
int24 tick;
// the most-recently updated index of the observations array
uint16 observationIndex;
// the current maximum number of observations that are being stored
uint16 observationCardinality;
// the next maximum number of observations to store, triggered in observations.write
uint16 observationCardinalityNext;
// the current protocol fee as a percentage of the swap fee taken on withdrawal
// represented as an integer denominator (1/x)%
uint8 feeProtocol;
// whether the pool is locked
bool unlocked;
}
/// @inheritdoc IUniswapV3PoolState
Slot0 public override slot0;
/// @inheritdoc IUniswapV3PoolState
uint256 public override feeGrowthGlobal0X128;
/// @inheritdoc IUniswapV3PoolState
uint256 public override feeGrowthGlobal1X128;
// accumulated protocol fees in token0/token1 units
struct ProtocolFees {
uint128 token0;
uint128 token1;
}
/// @inheritdoc IUniswapV3PoolState
ProtocolFees public override protocolFees;
/// @inheritdoc IUniswapV3PoolState
uint128 public override liquidity;
/// @inheritdoc IUniswapV3PoolState
mapping(int24 => Tick.Info) public override ticks;
/// @inheritdoc IUniswapV3PoolState
mapping(int16 => uint256) public override tickBitmap;
/// @inheritdoc IUniswapV3PoolState
mapping(bytes32 => Position.Info) public override positions;
/// @inheritdoc IUniswapV3PoolState
Oracle.Observation[65535] public override observations;
/// @dev Mutually exclusive reentrancy protection into the pool to/from a method. This method also prevents entrance
/// to a function before the pool is initialized. The reentrancy guard is required throughout the contract because
/// we use balance checks to determine the payment status of interactions such as mint, swap and flash.
modifier lock() {
require(slot0.unlocked, 'LOK');
slot0.unlocked = false;
_;
slot0.unlocked = true;
}
/// @dev Prevents calling a function from anyone except the address returned by IUniswapV3Factory#owner()
modifier onlyFactoryOwner() {
require(msg.sender == IUniswapV3Factory(factory).owner());
_;
}
constructor() {
int24 _tickSpacing;
(factory, token0, token1, fee, _tickSpacing) = IUniswapV3PoolDeployer(msg.sender).parameters();
tickSpacing = _tickSpacing;
maxLiquidityPerTick = Tick.tickSpacingToMaxLiquidityPerTick(_tickSpacing);
}
/// @dev Common checks for valid tick inputs.
function checkTicks(int24 tickLower, int24 tickUpper) private pure {
require(tickLower < tickUpper, 'TLU');
require(tickLower >= TickMath.MIN_TICK, 'TLM');
require(tickUpper <= TickMath.MAX_TICK, 'TUM');
}
/// @dev Returns the block timestamp truncated to 32 bits, i.e. mod 2**32. This method is overridden in tests.
function _blockTimestamp() internal view virtual returns (uint32) {
return uint32(block.timestamp); // truncation is desired
}
/// @dev Get the pool's balance of token0
/// @dev This function is gas optimized to avoid a redundant extcodesize check in addition to the returndatasize
/// check
function balance0() private view returns (uint256) {
(bool success, bytes memory data) =
token0.staticcall(abi.encodeWithSelector(IERC20Minimal.balanceOf.selector, address(this)));
require(success && data.length >= 32);
return abi.decode(data, (uint256));
}
/// @dev Get the pool's balance of token1
/// @dev This function is gas optimized to avoid a redundant extcodesize check in addition to the returndatasize
/// check
function balance1() private view returns (uint256) {
(bool success, bytes memory data) =
token1.staticcall(abi.encodeWithSelector(IERC20Minimal.balanceOf.selector, address(this)));
require(success && data.length >= 32);
return abi.decode(data, (uint256));
}
/// @inheritdoc IUniswapV3PoolDerivedState
function snapshotCumulativesInside(int24 tickLower, int24 tickUpper)
external
view
override
noDelegateCall
returns (
int56 tickCumulativeInside,
uint160 secondsPerLiquidityInsideX128,
uint32 secondsInside
)
{
checkTicks(tickLower, tickUpper);
int56 tickCumulativeLower;
int56 tickCumulativeUpper;
uint160 secondsPerLiquidityOutsideLowerX128;
uint160 secondsPerLiquidityOutsideUpperX128;
uint32 secondsOutsideLower;
uint32 secondsOutsideUpper;
{
Tick.Info storage lower = ticks[tickLower];
Tick.Info storage upper = ticks[tickUpper];
bool initializedLower;
(tickCumulativeLower, secondsPerLiquidityOutsideLowerX128, secondsOutsideLower, initializedLower) = (
lower.tickCumulativeOutside,
lower.secondsPerLiquidityOutsideX128,
lower.secondsOutside,
lower.initialized
);
require(initializedLower);
bool initializedUpper;
(tickCumulativeUpper, secondsPerLiquidityOutsideUpperX128, secondsOutsideUpper, initializedUpper) = (
upper.tickCumulativeOutside,
upper.secondsPerLiquidityOutsideX128,
upper.secondsOutside,
upper.initialized
);
require(initializedUpper);
}
Slot0 memory _slot0 = slot0;
if (_slot0.tick < tickLower) {
return (
tickCumulativeLower - tickCumulativeUpper,
secondsPerLiquidityOutsideLowerX128 - secondsPerLiquidityOutsideUpperX128,
secondsOutsideLower - secondsOutsideUpper
);
} else if (_slot0.tick < tickUpper) {
uint32 time = _blockTimestamp();
(int56 tickCumulative, uint160 secondsPerLiquidityCumulativeX128) =
observations.observeSingle(
time,
0,
_slot0.tick,
_slot0.observationIndex,
liquidity,
_slot0.observationCardinality
);
return (
tickCumulative - tickCumulativeLower - tickCumulativeUpper,
secondsPerLiquidityCumulativeX128 -
secondsPerLiquidityOutsideLowerX128 -
secondsPerLiquidityOutsideUpperX128,
time - secondsOutsideLower - secondsOutsideUpper
);
} else {
return (
tickCumulativeUpper - tickCumulativeLower,
secondsPerLiquidityOutsideUpperX128 - secondsPerLiquidityOutsideLowerX128,
secondsOutsideUpper - secondsOutsideLower
);
}
}
/// @inheritdoc IUniswapV3PoolDerivedState
function observe(uint32[] calldata secondsAgos)
external
view
override
noDelegateCall
returns (int56[] memory tickCumulatives, uint160[] memory secondsPerLiquidityCumulativeX128s)
{
return
observations.observe(
_blockTimestamp(),
secondsAgos,
slot0.tick,
slot0.observationIndex,
liquidity,
slot0.observationCardinality
);
}
/// @inheritdoc IUniswapV3PoolActions
function increaseObservationCardinalityNext(uint16 observationCardinalityNext)
external
override
lock
noDelegateCall
{
uint16 observationCardinalityNextOld = slot0.observationCardinalityNext; // for the event
uint16 observationCardinalityNextNew =
observations.grow(observationCardinalityNextOld, observationCardinalityNext);
slot0.observationCardinalityNext = observationCardinalityNextNew;
if (observationCardinalityNextOld != observationCardinalityNextNew)
emit IncreaseObservationCardinalityNext(observationCardinalityNextOld, observationCardinalityNextNew);
}
/// @inheritdoc IUniswapV3PoolActions
/// @dev not locked because it initializes unlocked
function initialize(uint160 sqrtPriceX96) external override {
require(slot0.sqrtPriceX96 == 0, 'AI');
int24 tick = TickMath.getTickAtSqrtRatio(sqrtPriceX96);
(uint16 cardinality, uint16 cardinalityNext) = observations.initialize(_blockTimestamp());
// Automatically set a 20% protocol fee on pool deployment
slot0 = Slot0({
sqrtPriceX96: sqrtPriceX96,
tick: tick,
observationIndex: 0,
observationCardinality: cardinality,
observationCardinalityNext: cardinalityNext,
feeProtocol: 7 + (7 << 4),
unlocked: true
});
emit Initialize(sqrtPriceX96, tick);
}
struct ModifyPositionParams {
// the address that owns the position
address owner;
// the lower and upper tick of the position
int24 tickLower;
int24 tickUpper;
// any change in liquidity
int128 liquidityDelta;
}
/// @dev Effect some changes to a position
/// @param params the position details and the change to the position's liquidity to effect
/// @return position a storage pointer referencing the position with the given owner and tick range
/// @return amount0 the amount of token0 owed to the pool, negative if the pool should pay the recipient
/// @return amount1 the amount of token1 owed to the pool, negative if the pool should pay the recipient
function _modifyPosition(ModifyPositionParams memory params)
private
noDelegateCall
returns (
Position.Info storage position,
int256 amount0,
int256 amount1
)
{
checkTicks(params.tickLower, params.tickUpper);
Slot0 memory _slot0 = slot0; // SLOAD for gas optimization
position = _updatePosition(
params.owner,
params.tickLower,
params.tickUpper,
params.liquidityDelta,
_slot0.tick
);
if (params.liquidityDelta != 0) {
if (_slot0.tick < params.tickLower) {
// current tick is below the passed range; liquidity can only become in range by crossing from left to
// right, when we'll need _more_ token0 (it's becoming more valuable) so user must provide it
amount0 = SqrtPriceMath.getAmount0Delta(
TickMath.getSqrtRatioAtTick(params.tickLower),
TickMath.getSqrtRatioAtTick(params.tickUpper),
params.liquidityDelta
);
} else if (_slot0.tick < params.tickUpper) {
// current tick is inside the passed range
uint128 liquidityBefore = liquidity; // SLOAD for gas optimization
// write an oracle entry
(slot0.observationIndex, slot0.observationCardinality) = observations.write(
_slot0.observationIndex,
_blockTimestamp(),
_slot0.tick,
liquidityBefore,
_slot0.observationCardinality,
_slot0.observationCardinalityNext
);
amount0 = SqrtPriceMath.getAmount0Delta(
_slot0.sqrtPriceX96,
TickMath.getSqrtRatioAtTick(params.tickUpper),
params.liquidityDelta
);
amount1 = SqrtPriceMath.getAmount1Delta(
TickMath.getSqrtRatioAtTick(params.tickLower),
_slot0.sqrtPriceX96,
params.liquidityDelta
);
liquidity = LiquidityMath.addDelta(liquidityBefore, params.liquidityDelta);
} else {
// current tick is above the passed range; liquidity can only become in range by crossing from right to
// left, when we'll need _more_ token1 (it's becoming more valuable) so user must provide it
amount1 = SqrtPriceMath.getAmount1Delta(
TickMath.getSqrtRatioAtTick(params.tickLower),
TickMath.getSqrtRatioAtTick(params.tickUpper),
params.liquidityDelta
);
}
}
}
/// @dev Gets and updates a position with the given liquidity delta
/// @param owner the owner of the position
/// @param tickLower the lower tick of the position's tick range
/// @param tickUpper the upper tick of the position's tick range
/// @param tick the current tick, passed to avoid sloads
function _updatePosition(
address owner,
int24 tickLower,
int24 tickUpper,
int128 liquidityDelta,
int24 tick
) private returns (Position.Info storage position) {
position = positions.get(owner, tickLower, tickUpper);
uint256 _feeGrowthGlobal0X128 = feeGrowthGlobal0X128; // SLOAD for gas optimization
uint256 _feeGrowthGlobal1X128 = feeGrowthGlobal1X128; // SLOAD for gas optimization
// if we need to update the ticks, do it
bool flippedLower;
bool flippedUpper;
if (liquidityDelta != 0) {
uint32 time = _blockTimestamp();
(int56 tickCumulative, uint160 secondsPerLiquidityCumulativeX128) =
observations.observeSingle(
time,
0,
slot0.tick,
slot0.observationIndex,
liquidity,
slot0.observationCardinality
);
flippedLower = ticks.update(
tickLower,
tick,
liquidityDelta,
_feeGrowthGlobal0X128,
_feeGrowthGlobal1X128,
secondsPerLiquidityCumulativeX128,
tickCumulative,
time,
false,
maxLiquidityPerTick
);
flippedUpper = ticks.update(
tickUpper,
tick,
liquidityDelta,
_feeGrowthGlobal0X128,
_feeGrowthGlobal1X128,
secondsPerLiquidityCumulativeX128,
tickCumulative,
time,
true,
maxLiquidityPerTick
);
if (flippedLower) {
tickBitmap.flipTick(tickLower, tickSpacing);
}
if (flippedUpper) {
tickBitmap.flipTick(tickUpper, tickSpacing);
}
}
(uint256 feeGrowthInside0X128, uint256 feeGrowthInside1X128) =
ticks.getFeeGrowthInside(tickLower, tickUpper, tick, _feeGrowthGlobal0X128, _feeGrowthGlobal1X128);
position.update(liquidityDelta, feeGrowthInside0X128, feeGrowthInside1X128);
// clear any tick data that is no longer needed
if (liquidityDelta < 0) {
if (flippedLower) {
ticks.clear(tickLower);
}
if (flippedUpper) {
ticks.clear(tickUpper);
}
}
}
/// @inheritdoc IUniswapV3PoolActions
/// @dev noDelegateCall is applied indirectly via _modifyPosition
function mint(
address recipient,
int24 tickLower,
int24 tickUpper,
uint128 amount,
bytes calldata data
) external override lock returns (uint256 amount0, uint256 amount1) {
require(amount > 0);
(, int256 amount0Int, int256 amount1Int) =
_modifyPosition(
ModifyPositionParams({
owner: recipient,
tickLower: tickLower,
tickUpper: tickUpper,
liquidityDelta: int256(amount).toInt128()
})
);
amount0 = uint256(amount0Int);
amount1 = uint256(amount1Int);
uint256 balance0Before;
uint256 balance1Before;
if (amount0 > 0) balance0Before = balance0();
if (amount1 > 0) balance1Before = balance1();
IUniswapV3MintCallback(msg.sender).uniswapV3MintCallback(amount0, amount1, data);
if (amount0 > 0) require(balance0Before.add(amount0) <= balance0(), 'M0');
if (amount1 > 0) require(balance1Before.add(amount1) <= balance1(), 'M1');
emit Mint(msg.sender, recipient, tickLower, tickUpper, amount, amount0, amount1);
}
/// @inheritdoc IUniswapV3PoolActions
function collect(
address recipient,
int24 tickLower,
int24 tickUpper,
uint128 amount0Requested,
uint128 amount1Requested
) external override lock returns (uint128 amount0, uint128 amount1) {
// we don't need to checkTicks here, because invalid positions will never have non-zero tokensOwed{0,1}
Position.Info storage position = positions.get(msg.sender, tickLower, tickUpper);
amount0 = amount0Requested > position.tokensOwed0 ? position.tokensOwed0 : amount0Requested;
amount1 = amount1Requested > position.tokensOwed1 ? position.tokensOwed1 : amount1Requested;
if (amount0 > 0) {
position.tokensOwed0 -= amount0;
TransferHelper.safeTransfer(token0, recipient, amount0);
}
if (amount1 > 0) {
position.tokensOwed1 -= amount1;
TransferHelper.safeTransfer(token1, recipient, amount1);
}
emit Collect(msg.sender, recipient, tickLower, tickUpper, amount0, amount1);
}
/// @inheritdoc IUniswapV3PoolActions
/// @dev noDelegateCall is applied indirectly via _modifyPosition
function burn(
int24 tickLower,
int24 tickUpper,
uint128 amount
) external override lock returns (uint256 amount0, uint256 amount1) {
(Position.Info storage position, int256 amount0Int, int256 amount1Int) =
_modifyPosition(
ModifyPositionParams({
owner: msg.sender,
tickLower: tickLower,
tickUpper: tickUpper,
liquidityDelta: -int256(amount).toInt128()
})
);
amount0 = uint256(-amount0Int);
amount1 = uint256(-amount1Int);
if (amount0 > 0 || amount1 > 0) {
(position.tokensOwed0, position.tokensOwed1) = (
position.tokensOwed0 + uint128(amount0),
position.tokensOwed1 + uint128(amount1)
);
}
emit Burn(msg.sender, tickLower, tickUpper, amount, amount0, amount1);
}
struct SwapCache {
// the protocol fee for the input token
uint8 feeProtocol;
// liquidity at the beginning of the swap
uint128 liquidityStart;
// the timestamp of the current block
uint32 blockTimestamp;
// the current value of the tick accumulator, computed only if we cross an initialized tick
int56 tickCumulative;
// the current value of seconds per liquidity accumulator, computed only if we cross an initialized tick
uint160 secondsPerLiquidityCumulativeX128;
// whether we've computed and cached the above two accumulators
bool computedLatestObservation;
}
// the top level state of the swap, the results of which are recorded in storage at the end
struct SwapState {
// the amount remaining to be swapped in/out of the input/output asset
int256 amountSpecifiedRemaining;
// the amount already swapped out/in of the output/input asset
int256 amountCalculated;
// current sqrt(price)
uint160 sqrtPriceX96;
// the tick associated with the current price
int24 tick;
// the global fee growth of the input token
uint256 feeGrowthGlobalX128;
// amount of input token paid as protocol fee
uint128 protocolFee;
// the current liquidity in range
uint128 liquidity;
}
struct StepComputations {
// the price at the beginning of the step
uint160 sqrtPriceStartX96;
// the next tick to swap to from the current tick in the swap direction
int24 tickNext;
// whether tickNext is initialized or not
bool initialized;
// sqrt(price) for the next tick (1/0)
uint160 sqrtPriceNextX96;
// how much is being swapped in in this step
uint256 amountIn;
// how much is being swapped out
uint256 amountOut;
// how much fee is being paid in
uint256 feeAmount;
}
/// @inheritdoc IUniswapV3PoolActions
function swap(
address recipient,
bool zeroForOne,
int256 amountSpecified,
uint160 sqrtPriceLimitX96,
bytes calldata data
) external override noDelegateCall returns (int256 amount0, int256 amount1) {
require(amountSpecified != 0, 'AS');
Slot0 memory slot0Start = slot0;
require(slot0Start.unlocked, 'LOK');
require(
zeroForOne
? sqrtPriceLimitX96 < slot0Start.sqrtPriceX96 && sqrtPriceLimitX96 > TickMath.MIN_SQRT_RATIO
: sqrtPriceLimitX96 > slot0Start.sqrtPriceX96 && sqrtPriceLimitX96 < TickMath.MAX_SQRT_RATIO,
'SPL'
);
slot0.unlocked = false;
SwapCache memory cache =
SwapCache({
liquidityStart: liquidity,
blockTimestamp: _blockTimestamp(),
feeProtocol: zeroForOne ? (slot0Start.feeProtocol % 16) : (slot0Start.feeProtocol >> 4),
secondsPerLiquidityCumulativeX128: 0,
tickCumulative: 0,
computedLatestObservation: false
});
bool exactInput = amountSpecified > 0;
SwapState memory state =
SwapState({
amountSpecifiedRemaining: amountSpecified,
amountCalculated: 0,
sqrtPriceX96: slot0Start.sqrtPriceX96,
tick: slot0Start.tick,
feeGrowthGlobalX128: zeroForOne ? feeGrowthGlobal0X128 : feeGrowthGlobal1X128,
protocolFee: 0,
liquidity: cache.liquidityStart
});
// continue swapping as long as we haven't used the entire input/output and haven't reached the price limit
while (state.amountSpecifiedRemaining != 0 && state.sqrtPriceX96 != sqrtPriceLimitX96) {
StepComputations memory step;
step.sqrtPriceStartX96 = state.sqrtPriceX96;
(step.tickNext, step.initialized) = tickBitmap.nextInitializedTickWithinOneWord(
state.tick,
tickSpacing,
zeroForOne
);
// ensure that we do not overshoot the min/max tick, as the tick bitmap is not aware of these bounds
if (step.tickNext < TickMath.MIN_TICK) {
step.tickNext = TickMath.MIN_TICK;
} else if (step.tickNext > TickMath.MAX_TICK) {
step.tickNext = TickMath.MAX_TICK;
}
// get the price for the next tick
step.sqrtPriceNextX96 = TickMath.getSqrtRatioAtTick(step.tickNext);
// compute values to swap to the target tick, price limit, or point where input/output amount is exhausted
(state.sqrtPriceX96, step.amountIn, step.amountOut, step.feeAmount) = SwapMath.computeSwapStep(
state.sqrtPriceX96,
(zeroForOne ? step.sqrtPriceNextX96 < sqrtPriceLimitX96 : step.sqrtPriceNextX96 > sqrtPriceLimitX96)
? sqrtPriceLimitX96
: step.sqrtPriceNextX96,
state.liquidity,
state.amountSpecifiedRemaining,
fee
);
if (exactInput) {
state.amountSpecifiedRemaining -= (step.amountIn + step.feeAmount).toInt256();
state.amountCalculated = state.amountCalculated.sub(step.amountOut.toInt256());
} else {
state.amountSpecifiedRemaining += step.amountOut.toInt256();
state.amountCalculated = state.amountCalculated.add((step.amountIn + step.feeAmount).toInt256());
}
// if the protocol fee is on, calculate how much is owed, decrement feeAmount, and increment protocolFee
if (cache.feeProtocol > 0) {
uint256 delta = step.feeAmount / cache.feeProtocol;
step.feeAmount -= delta;
state.protocolFee += uint128(delta);
}
// update global fee tracker
if (state.liquidity > 0)
state.feeGrowthGlobalX128 += FullMath.mulDiv(step.feeAmount, FixedPoint128.Q128, state.liquidity);
// shift tick if we reached the next price
if (state.sqrtPriceX96 == step.sqrtPriceNextX96) {
// if the tick is initialized, run the tick transition
if (step.initialized) {
// check for the placeholder value, which we replace with the actual value the first time the swap
// crosses an initialized tick
if (!cache.computedLatestObservation) {
(cache.tickCumulative, cache.secondsPerLiquidityCumulativeX128) = observations.observeSingle(
cache.blockTimestamp,
0,
slot0Start.tick,
slot0Start.observationIndex,
cache.liquidityStart,
slot0Start.observationCardinality
);
cache.computedLatestObservation = true;
}
int128 liquidityNet =
ticks.cross(
step.tickNext,
(zeroForOne ? state.feeGrowthGlobalX128 : feeGrowthGlobal0X128),
(zeroForOne ? feeGrowthGlobal1X128 : state.feeGrowthGlobalX128),
cache.secondsPerLiquidityCumulativeX128,
cache.tickCumulative,
cache.blockTimestamp
);
// if we're moving leftward, we interpret liquidityNet as the opposite sign
// safe because liquidityNet cannot be type(int128).min
if (zeroForOne) liquidityNet = -liquidityNet;
state.liquidity = LiquidityMath.addDelta(state.liquidity, liquidityNet);
}
state.tick = zeroForOne ? step.tickNext - 1 : step.tickNext;
} else if (state.sqrtPriceX96 != step.sqrtPriceStartX96) {
// recompute unless we're on a lower tick boundary (i.e. already transitioned ticks), and haven't moved
state.tick = TickMath.getTickAtSqrtRatio(state.sqrtPriceX96);
}
}
// update tick and write an oracle entry if the tick change
if (state.tick != slot0Start.tick) {
(uint16 observationIndex, uint16 observationCardinality) =
observations.write(
slot0Start.observationIndex,
cache.blockTimestamp,
slot0Start.tick,
cache.liquidityStart,
slot0Start.observationCardinality,
slot0Start.observationCardinalityNext
);
(slot0.sqrtPriceX96, slot0.tick, slot0.observationIndex, slot0.observationCardinality) = (
state.sqrtPriceX96,
state.tick,
observationIndex,
observationCardinality
);
} else {
// otherwise just update the price
slot0.sqrtPriceX96 = state.sqrtPriceX96;
}
// update liquidity if it changed
if (cache.liquidityStart != state.liquidity) liquidity = state.liquidity;
// update fee growth global and, if necessary, protocol fees
// overflow is acceptable, protocol has to withdraw before it hits type(uint128).max fees
if (zeroForOne) {
feeGrowthGlobal0X128 = state.feeGrowthGlobalX128;
if (state.protocolFee > 0) protocolFees.token0 += state.protocolFee;
} else {
feeGrowthGlobal1X128 = state.feeGrowthGlobalX128;
if (state.protocolFee > 0) protocolFees.token1 += state.protocolFee;
}
(amount0, amount1) = zeroForOne == exactInput
? (amountSpecified - state.amountSpecifiedRemaining, state.amountCalculated)
: (state.amountCalculated, amountSpecified - state.amountSpecifiedRemaining);
// do the transfers and collect payment
if (zeroForOne) {
if (amount1 < 0) TransferHelper.safeTransfer(token1, recipient, uint256(-amount1));
uint256 balance0Before = balance0();
IUniswapV3SwapCallback(msg.sender).uniswapV3SwapCallback(amount0, amount1, data);
require(balance0Before.add(uint256(amount0)) <= balance0(), 'IIA');
} else {
if (amount0 < 0) TransferHelper.safeTransfer(token0, recipient, uint256(-amount0));
uint256 balance1Before = balance1();
IUniswapV3SwapCallback(msg.sender).uniswapV3SwapCallback(amount0, amount1, data);
require(balance1Before.add(uint256(amount1)) <= balance1(), 'IIA');
}
emit Swap(msg.sender, recipient, amount0, amount1, state.sqrtPriceX96, state.liquidity, state.tick);
slot0.unlocked = true;
}
/// @inheritdoc IUniswapV3PoolActions
function flash(
address recipient,
uint256 amount0,
uint256 amount1,
bytes calldata data
) external override lock noDelegateCall {
uint128 _liquidity = liquidity;
require(_liquidity > 0, 'L');
uint256 fee0 = FullMath.mulDivRoundingUp(amount0, fee, 1e6);
uint256 fee1 = FullMath.mulDivRoundingUp(amount1, fee, 1e6);
uint256 balance0Before = balance0();
uint256 balance1Before = balance1();
if (amount0 > 0) TransferHelper.safeTransfer(token0, recipient, amount0);
if (amount1 > 0) TransferHelper.safeTransfer(token1, recipient, amount1);
IUniswapV3FlashCallback(msg.sender).uniswapV3FlashCallback(fee0, fee1, data);
uint256 balance0After = balance0();
uint256 balance1After = balance1();
require(balance0Before.add(fee0) <= balance0After, 'F0');
require(balance1Before.add(fee1) <= balance1After, 'F1');
// sub is safe because we know balanceAfter is gt balanceBefore by at least fee
uint256 paid0 = balance0After - balance0Before;
uint256 paid1 = balance1After - balance1Before;
if (paid0 > 0) {
uint8 feeProtocol0 = slot0.feeProtocol % 16;
uint256 fees0 = feeProtocol0 == 0 ? 0 : paid0 / feeProtocol0;
if (uint128(fees0) > 0) protocolFees.token0 += uint128(fees0);
feeGrowthGlobal0X128 += FullMath.mulDiv(paid0 - fees0, FixedPoint128.Q128, _liquidity);
}
if (paid1 > 0) {
uint8 feeProtocol1 = slot0.feeProtocol >> 4;
uint256 fees1 = feeProtocol1 == 0 ? 0 : paid1 / feeProtocol1;
if (uint128(fees1) > 0) protocolFees.token1 += uint128(fees1);
feeGrowthGlobal1X128 += FullMath.mulDiv(paid1 - fees1, FixedPoint128.Q128, _liquidity);
}
emit Flash(msg.sender, recipient, amount0, amount1, paid0, paid1);
}
/// @inheritdoc IUniswapV3PoolOwnerActions
function setFeeProtocol(uint8 feeProtocol0, uint8 feeProtocol1) external override lock onlyFactoryOwner {
require(
(feeProtocol0 == 0 || (feeProtocol0 >= 4 && feeProtocol0 <= 10)) &&
(feeProtocol1 == 0 || (feeProtocol1 >= 4 && feeProtocol1 <= 10))
);
uint8 feeProtocolOld = slot0.feeProtocol;
slot0.feeProtocol = feeProtocol0 + (feeProtocol1 << 4);
emit SetFeeProtocol(feeProtocolOld % 16, feeProtocolOld >> 4, feeProtocol0, feeProtocol1);
}
/// @inheritdoc IUniswapV3PoolOwnerActions
function collectProtocol(
address recipient,
uint128 amount0Requested,
uint128 amount1Requested
) external override lock onlyFactoryOwner returns (uint128 amount0, uint128 amount1) {
amount0 = amount0Requested > protocolFees.token0 ? protocolFees.token0 : amount0Requested;
amount1 = amount1Requested > protocolFees.token1 ? protocolFees.token1 : amount1Requested;
if (amount0 > 0) {
if (amount0 == protocolFees.token0) amount0--; // ensure that the slot is not cleared, for gas savings
protocolFees.token0 -= amount0;
TransferHelper.safeTransfer(token0, recipient, amount0);
}
if (amount1 > 0) {
if (amount1 == protocolFees.token1) amount1--; // ensure that the slot is not cleared, for gas savings
protocolFees.token1 -= amount1;
TransferHelper.safeTransfer(token1, recipient, amount1);
}
emit CollectProtocol(msg.sender, recipient, amount0, amount1);
}
}[
{
"type": "constructor",
"inputs": [],
"stateMutability": "nonpayable"
},
{
"name": "Burn",
"type": "event",
"inputs": [
{
"name": "owner",
"type": "address",
"indexed": true,
"internalType": "address"
},
{
"name": "tickLower",
"type": "int24",
"indexed": true,
"internalType": "int24"
},
{
"name": "tickUpper",
"type": "int24",
"indexed": true,
"internalType": "int24"
},
{
"name": "amount",
"type": "uint128",
"indexed": false,
"internalType": "uint128"
},
{
"name": "amount0",
"type": "uint256",
"indexed": false,
"internalType": "uint256"
},
{
"name": "amount1",
"type": "uint256",
"indexed": false,
"internalType": "uint256"
}
],
"anonymous": false
},
{
"name": "Collect",
"type": "event",
"inputs": [
{
"name": "owner",
"type": "address",
"indexed": true,
"internalType": "address"
},
{
"name": "recipient",
"type": "address",
"indexed": false,
"internalType": "address"
},
{
"name": "tickLower",
"type": "int24",
"indexed": true,
"internalType": "int24"
},
{
"name": "tickUpper",
"type": "int24",
"indexed": true,
"internalType": "int24"
},
{
"name": "amount0",
"type": "uint128",
"indexed": false,
"internalType": "uint128"
},
{
"name": "amount1",
"type": "uint128",
"indexed": false,
"internalType": "uint128"
}
],
"anonymous": false
},
{
"name": "CollectProtocol",
"type": "event",
"inputs": [
{
"name": "sender",
"type": "address",
"indexed": true,
"internalType": "address"
},
{
"name": "recipient",
"type": "address",
"indexed": true,
"internalType": "address"
},
{
"name": "amount0",
"type": "uint128",
"indexed": false,
"internalType": "uint128"
},
{
"name": "amount1",
"type": "uint128",
"indexed": false,
"internalType": "uint128"
}
],
"anonymous": false
},
{
"name": "Flash",
"type": "event",
"inputs": [
{
"name": "sender",
"type": "address",
"indexed": true,
"internalType": "address"
},
{
"name": "recipient",
"type": "address",
"indexed": true,
"internalType": "address"
},
{
"name": "amount0",
"type": "uint256",
"indexed": false,
"internalType": "uint256"
},
{
"name": "amount1",
"type": "uint256",
"indexed": false,
"internalType": "uint256"
},
{
"name": "paid0",
"type": "uint256",
"indexed": false,
"internalType": "uint256"
},
{
"name": "paid1",
"type": "uint256",
"indexed": false,
"internalType": "uint256"
}
],
"anonymous": false
},
{
"name": "IncreaseObservationCardinalityNext",
"type": "event",
"inputs": [
{
"name": "observationCardinalityNextOld",
"type": "uint16",
"indexed": false,
"internalType": "uint16"
},
{
"name": "observationCardinalityNextNew",
"type": "uint16",
"indexed": false,
"internalType": "uint16"
}
],
"anonymous": false
},
{
"name": "Initialize",
"type": "event",
"inputs": [
{
"name": "sqrtPriceX96",
"type": "uint160",
"indexed": false,
"internalType": "uint160"
},
{
"name": "tick",
"type": "int24",
"indexed": false,
"internalType": "int24"
}
],
"anonymous": false
},
{
"name": "Mint",
"type": "event",
"inputs": [
{
"name": "sender",
"type": "address",
"indexed": false,
"internalType": "address"
},
{
"name": "owner",
"type": "address",
"indexed": true,
"internalType": "address"
},
{
"name": "tickLower",
"type": "int24",
"indexed": true,
"internalType": "int24"
},
{
"name": "tickUpper",
"type": "int24",
"indexed": true,
"internalType": "int24"
},
{
"name": "amount",
"type": "uint128",
"indexed": false,
"internalType": "uint128"
},
{
"name": "amount0",
"type": "uint256",
"indexed": false,
"internalType": "uint256"
},
{
"name": "amount1",
"type": "uint256",
"indexed": false,
"internalType": "uint256"
}
],
"anonymous": false
},
{
"name": "SetFeeProtocol",
"type": "event",
"inputs": [
{
"name": "feeProtocol0Old",
"type": "uint8",
"indexed": false,
"internalType": "uint8"
},
{
"name": "feeProtocol1Old",
"type": "uint8",
"indexed": false,
"internalType": "uint8"
},
{
"name": "feeProtocol0New",
"type": "uint8",
"indexed": false,
"internalType": "uint8"
},
{
"name": "feeProtocol1New",
"type": "uint8",
"indexed": false,
"internalType": "uint8"
}
],
"anonymous": false
},
{
"name": "Swap",
"type": "event",
"inputs": [
{
"name": "sender",
"type": "address",
"indexed": true,
"internalType": "address"
},
{
"name": "recipient",
"type": "address",
"indexed": true,
"internalType": "address"
},
{
"name": "amount0",
"type": "int256",
"indexed": false,
"internalType": "int256"
},
{
"name": "amount1",
"type": "int256",
"indexed": false,
"internalType": "int256"
},
{
"name": "sqrtPriceX96",
"type": "uint160",
"indexed": false,
"internalType": "uint160"
},
{
"name": "liquidity",
"type": "uint128",
"indexed": false,
"internalType": "uint128"
},
{
"name": "tick",
"type": "int24",
"indexed": false,
"internalType": "int24"
}
],
"anonymous": false
},
{
"name": "burn",
"type": "function",
"inputs": [
{
"name": "tickLower",
"type": "int24",
"internalType": "int24"
},
{
"name": "tickUpper",
"type": "int24",
"internalType": "int24"
},
{
"name": "amount",
"type": "uint128",
"internalType": "uint128"
}
],
"outputs": [
{
"name": "amount0",
"type": "uint256",
"internalType": "uint256"
},
{
"name": "amount1",
"type": "uint256",
"internalType": "uint256"
}
],
"stateMutability": "nonpayable"
},
{
"name": "collect",
"type": "function",
"inputs": [
{
"name": "recipient",
"type": "address",
"internalType": "address"
},
{
"name": "tickLower",
"type": "int24",
"internalType": "int24"
},
{
"name": "tickUpper",
"type": "int24",
"internalType": "int24"
},
{
"name": "amount0Requested",
"type": "uint128",
"internalType": "uint128"
},
{
"name": "amount1Requested",
"type": "uint128",
"internalType": "uint128"
}
],
"outputs": [
{
"name": "amount0",
"type": "uint128",
"internalType": "uint128"
},
{
"name": "amount1",
"type": "uint128",
"internalType": "uint128"
}
],
"stateMutability": "nonpayable"
},
{
"name": "collectProtocol",
"type": "function",
"inputs": [
{
"name": "recipient",
"type": "address",
"internalType": "address"
},
{
"name": "amount0Requested",
"type": "uint128",
"internalType": "uint128"
},
{
"name": "amount1Requested",
"type": "uint128",
"internalType": "uint128"
}
],
"outputs": [
{
"name": "amount0",
"type": "uint128",
"internalType": "uint128"
},
{
"name": "amount1",
"type": "uint128",
"internalType": "uint128"
}
],
"stateMutability": "nonpayable"
},
{
"name": "factory",
"type": "function",
"inputs": [],
"outputs": [
{
"name": "",
"type": "address",
"internalType": "address"
}
],
"stateMutability": "view"
},
{
"name": "fee",
"type": "function",
"inputs": [],
"outputs": [
{
"name": "",
"type": "uint24",
"internalType": "uint24"
}
],
"stateMutability": "view"
},
{
"name": "feeGrowthGlobal0X128",
"type": "function",
"inputs": [],
"outputs": [
{
"name": "",
"type": "uint256",
"internalType": "uint256"
}
],
"stateMutability": "view"
},
{
"name": "feeGrowthGlobal1X128",
"type": "function",
"inputs": [],
"outputs": [
{
"name": "",
"type": "uint256",
"internalType": "uint256"
}
],
"stateMutability": "view"
},
{
"name": "flash",
"type": "function",
"inputs": [
{
"name": "recipient",
"type": "address",
"internalType": "address"
},
{
"name": "amount0",
"type": "uint256",
"internalType": "uint256"
},
{
"name": "amount1",
"type": "uint256",
"internalType": "uint256"
},
{
"name": "data",
"type": "bytes",
"internalType": "bytes"
}
],
"outputs": [],
"stateMutability": "nonpayable"
},
{
"name": "increaseObservationCardinalityNext",
"type": "function",
"inputs": [
{
"name": "observationCardinalityNext",
"type": "uint16",
"internalType": "uint16"
}
],
"outputs": [],
"stateMutability": "nonpayable"
},
{
"name": "initialize",
"type": "function",
"inputs": [
{
"name": "sqrtPriceX96",
"type": "uint160",
"internalType": "uint160"
}
],
"outputs": [],
"stateMutability": "nonpayable"
},
{
"name": "liquidity",
"type": "function",
"inputs": [],
"outputs": [
{
"name": "",
"type": "uint128",
"internalType": "uint128"
}
],
"stateMutability": "view"
},
{
"name": "maxLiquidityPerTick",
"type": "function",
"inputs": [],
"outputs": [
{
"name": "",
"type": "uint128",
"internalType": "uint128"
}
],
"stateMutability": "view"
},
{
"name": "mint",
"type": "function",
"inputs": [
{
"name": "recipient",
"type": "address",
"internalType": "address"
},
{
"name": "tickLower",
"type": "int24",
"internalType": "int24"
},
{
"name": "tickUpper",
"type": "int24",
"internalType": "int24"
},
{
"name": "amount",
"type": "uint128",
"internalType": "uint128"
},
{
"name": "data",
"type": "bytes",
"internalType": "bytes"
}
],
"outputs": [
{
"name": "amount0",
"type": "uint256",
"internalType": "uint256"
},
{
"name": "amount1",
"type": "uint256",
"internalType": "uint256"
}
],
"stateMutability": "nonpayable"
},
{
"name": "observations",
"type": "function",
"inputs": [
{
"name": "",
"type": "uint256",
"internalType": "uint256"
}
],
"outputs": [
{
"name": "blockTimestamp",
"type": "uint32",
"internalType": "uint32"
},
{
"name": "tickCumulative",
"type": "int56",
"internalType": "int56"
},
{
"name": "secondsPerLiquidityCumulativeX128",
"type": "uint160",
"internalType": "uint160"
},
{
"name": "initialized",
"type": "bool",
"internalType": "bool"
}
],
"stateMutability": "view"
},
{
"name": "observe",
"type": "function",
"inputs": [
{
"name": "secondsAgos",
"type": "uint32[]",
"internalType": "uint32[]"
}
],
"outputs": [
{
"name": "tickCumulatives",
"type": "int56[]",
"internalType": "int56[]"
},
{
"name": "secondsPerLiquidityCumulativeX128s",
"type": "uint160[]",
"internalType": "uint160[]"
}
],
"stateMutability": "view"
},
{
"name": "positions",
"type": "function",
"inputs": [
{
"name": "",
"type": "bytes32",
"internalType": "bytes32"
}
],
"outputs": [
{
"name": "liquidity",
"type": "uint128",
"internalType": "uint128"
},
{
"name": "feeGrowthInside0LastX128",
"type": "uint256",
"internalType": "uint256"
},
{
"name": "feeGrowthInside1LastX128",
"type": "uint256",
"internalType": "uint256"
},
{
"name": "tokensOwed0",
"type": "uint128",
"internalType": "uint128"
},
{
"name": "tokensOwed1",
"type": "uint128",
"internalType": "uint128"
}
],
"stateMutability": "view"
},
{
"name": "protocolFees",
"type": "function",
"inputs": [],
"outputs": [
{
"name": "token0",
"type": "uint128",
"internalType": "uint128"
},
{
"name": "token1",
"type": "uint128",
"internalType": "uint128"
}
],
"stateMutability": "view"
},
{
"name": "setFeeProtocol",
"type": "function",
"inputs": [
{
"name": "feeProtocol0",
"type": "uint8",
"internalType": "uint8"
},
{
"name": "feeProtocol1",
"type": "uint8",
"internalType": "uint8"
}
],
"outputs": [],
"stateMutability": "nonpayable"
},
{
"name": "slot0",
"type": "function",
"inputs": [],
"outputs": [
{
"name": "sqrtPriceX96",
"type": "uint160",
"internalType": "uint160"
},
{
"name": "tick",
"type": "int24",
"internalType": "int24"
},
{
"name": "observationIndex",
"type": "uint16",
"internalType": "uint16"
},
{
"name": "observationCardinality",
"type": "uint16",
"internalType": "uint16"
},
{
"name": "observationCardinalityNext",
"type": "uint16",
"internalType": "uint16"
},
{
"name": "feeProtocol",
"type": "uint8",
"internalType": "uint8"
},
{
"name": "unlocked",
"type": "bool",
"internalType": "bool"
}
],
"stateMutability": "view"
},
{
"name": "snapshotCumulativesInside",
"type": "function",
"inputs": [
{
"name": "tickLower",
"type": "int24",
"internalType": "int24"
},
{
"name": "tickUpper",
"type": "int24",
"internalType": "int24"
}
],
"outputs": [
{
"name": "tickCumulativeInside",
"type": "int56",
"internalType": "int56"
},
{
"name": "secondsPerLiquidityInsideX128",
"type": "uint160",
"internalType": "uint160"
},
{
"name": "secondsInside",
"type": "uint32",
"internalType": "uint32"
}
],
"stateMutability": "view"
},
{
"name": "swap",
"type": "function",
"inputs": [
{
"name": "recipient",
"type": "address",
"internalType": "address"
},
{
"name": "zeroForOne",
"type": "bool",
"internalType": "bool"
},
{
"name": "amountSpecified",
"type": "int256",
"internalType": "int256"
},
{
"name": "sqrtPriceLimitX96",
"type": "uint160",
"internalType": "uint160"
},
{
"name": "data",
"type": "bytes",
"internalType": "bytes"
}
],
"outputs": [
{
"name": "amount0",
"type": "int256",
"internalType": "int256"
},
{
"name": "amount1",
"type": "int256",
"internalType": "int256"
}
],
"stateMutability": "nonpayable"
},
{
"name": "tickBitmap",
"type": "function",
"inputs": [
{
"name": "",
"type": "int16",
"internalType": "int16"
}
],
"outputs": [
{
"name": "",
"type": "uint256",
"internalType": "uint256"
}
],
"stateMutability": "view"
},
{
"name": "tickSpacing",
"type": "function",
"inputs": [],
"outputs": [
{
"name": "",
"type": "int24",
"internalType": "int24"
}
],
"stateMutability": "view"
},
{
"name": "ticks",
"type": "function",
"inputs": [
{
"name": "",
"type": "int24",
"internalType": "int24"
}
],
"outputs": [
{
"name": "liquidityGross",
"type": "uint128",
"internalType": "uint128"
},
{
"name": "liquidityNet",
"type": "int128",
"internalType": "int128"
},
{
"name": "feeGrowthOutside0X128",
"type": "uint256",
"internalType": "uint256"
},
{
"name": "feeGrowthOutside1X128",
"type": "uint256",
"internalType": "uint256"
},
{
"name": "tickCumulativeOutside",
"type": "int56",
"internalType": "int56"
},
{
"name": "secondsPerLiquidityOutsideX128",
"type": "uint160",
"internalType": "uint160"
},
{
"name": "secondsOutside",
"type": "uint32",
"internalType": "uint32"
},
{
"name": "initialized",
"type": "bool",
"internalType": "bool"
}
],
"stateMutability": "view"
},
{
"name": "token0",
"type": "function",
"inputs": [],
"outputs": [
{
"name": "",
"type": "address",
"internalType": "address"
}
],
"stateMutability": "view"
},
{
"name": "token1",
"type": "function",
"inputs": [],
"outputs": [
{
"name": "",
"type": "address",
"internalType": "address"
}
],
"stateMutability": "view"
}
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| Type | Age | Block | Details |
|---|---|---|---|
| no cross-chain L1↔L2 transactions for this address | |||
| 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 | Type | Item | ||
|---|---|---|---|---|---|---|---|---|---|
| no NFT transfers for this address yet | |||||||||
| Txn Hash | Age | Event | Topics / Data |
|---|---|---|---|
| 0xc41f66…baebd1 | 6 days agoTue, 11 Aug 2026 08:27:23 UTC | 0x709353…a9c0 | [0] 0x000000000000…b414e6b3 [1] 0xffffffffffff…fffbc47c [2] 0xffffffffffff…fffbcc60 data: 0x000000000000000000…000ff0fd |
| 0xc41f66…baebd1 | 6 days agoTue, 11 Aug 2026 08:27:23 UTC | 0x0c396c…982c | [0] 0x000000000000…b414e6b3 [1] 0xffffffffffff…fffbc47c [2] 0xffffffffffff…fffbcc60 data: 0x000000000000000000…000ff0f8 |
| 0x2e38ff…d475fc | 11 days agoThu, 06 Aug 2026 16:31:42 UTC | 0x709353…a9c0 | [0] 0x000000000000…b414e6b3 [1] 0xffffffffffff…fffbc88c [2] 0xffffffffffff…fffbc8b4 data: 0x000000000000000000…380442d4 |
| 0x2e38ff…d475fc | 11 days agoThu, 06 Aug 2026 16:31:42 UTC | 0x0c396c…982c | [0] 0x000000000000…b414e6b3 [1] 0xffffffffffff…fffbc88c [2] 0xffffffffffff…fffbc8b4 data: 0x000000000000000000…3802281f |
| 0x3f5f74…b0d431 | 12 days agoWed, 05 Aug 2026 19:30:33 UTC | Swap | [0] 0x000000000000…20cbbe5f [1] 0x000000000000…20cbbe5f data: 0xffffffffffffffffff…fffbc89e |
| 0xdeb51f…7227cc | 12 days agoWed, 05 Aug 2026 12:53:07 UTC | Swap | [0] 0x000000000000…165d125f [1] 0x000000000000…7846e13f data: 0xffffffffffffffffff…fffbc89e |
| 0xcf854c…9dc85a | 12 days agoWed, 05 Aug 2026 09:21:26 UTC | Swap | [0] 0x000000000000…20cbbe5f [1] 0x000000000000…20cbbe5f data: 0xffffffffffffffffff…fffbc89e |
| 0x56d867…bcd21c | 13 days agoTue, 04 Aug 2026 10:31:34 UTC | Swap | [0] 0x000000000000…20cbbe5f [1] 0x000000000000…20cbbe5f data: 0x000000000000000000…fffbc89e |
| 0x42f238…eec5e6 | 13 days agoTue, 04 Aug 2026 10:31:20 UTC | Swap | [0] 0x000000000000…20cbbe5f [1] 0x000000000000…20cbbe5f data: 0x000000000000000000…fffbc89e |
| 0xabaa90…283b7f | 13 days agoTue, 04 Aug 2026 10:30:54 UTC | Swap | [0] 0x000000000000…20cbbe5f [1] 0x000000000000…20cbbe5f data: 0x000000000000000000…fffbc89e |
| 0x19df7b…953613 | 13 days agoTue, 04 Aug 2026 10:30:30 UTC | Swap | [0] 0x000000000000…20cbbe5f [1] 0x000000000000…20cbbe5f data: 0x000000000000000000…fffbc89e |
| 0xda47b8…b9ddb1 | 13 days agoTue, 04 Aug 2026 10:29:59 UTC | Swap | [0] 0x000000000000…20cbbe5f [1] 0x000000000000…20cbbe5f data: 0x000000000000000000…fffbc89e |
| 0xcbeb85…a936e7 | 13 days agoTue, 04 Aug 2026 10:29:24 UTC | Swap | [0] 0x000000000000…20cbbe5f [1] 0x000000000000…20cbbe5f data: 0x000000000000000000…fffbc89e |
| 0xe24df8…2895a1 | 13 days agoTue, 04 Aug 2026 05:56:44 UTC | Swap | [0] 0x000000000000…20cbbe5f [1] 0x000000000000…20cbbe5f data: 0x000000000000000000…fffbc89e |
| 0x3cf02b…c9d11e | 13 days agoTue, 04 Aug 2026 04:59:01 UTC | Swap | [0] 0x000000000000…20cbbe5f [1] 0x000000000000…20cbbe5f data: 0x000000000000000000…fffbc89e |
| 0x5a666a…68fa2b | 14 days agoMon, 03 Aug 2026 21:23:55 UTC | Swap | [0] 0x000000000000…20cbbe5f [1] 0x000000000000…20cbbe5f data: 0x000000000000000000…fffbc89e |
| 0x98da2c…496735 | 14 days agoMon, 03 Aug 2026 21:23:40 UTC | Swap | [0] 0x000000000000…20cbbe5f [1] 0x000000000000…20cbbe5f data: 0x000000000000000000…fffbc89e |
| 0x5b37f4…1ea3a7 | 14 days agoMon, 03 Aug 2026 21:23:27 UTC | Swap | [0] 0x000000000000…20cbbe5f [1] 0x000000000000…20cbbe5f data: 0x000000000000000000…fffbc89e |
| 0x768818…1de932 | 14 days agoMon, 03 Aug 2026 21:11:23 UTC | Swap | [0] 0x000000000000…20cbbe5f [1] 0x000000000000…20cbbe5f data: 0x000000000000000000…fffbc89e |
| 0x48cf7c…1d81ed | 14 days agoMon, 03 Aug 2026 18:34:57 UTC | Swap | [0] 0x000000000000…20cbbe5f [1] 0x000000000000…20cbbe5f data: 0x000000000000000000…fffbc89e |
| 0x1632e1…f965ac | 14 days agoMon, 03 Aug 2026 18:20:18 UTC | Swap | [0] 0x000000000000…165d125f [1] 0x000000000000…7846e13f data: 0xffffffffffffffffff…fffbc89e |
| 0x70a42a…fd3b49 | 14 days agoMon, 03 Aug 2026 12:53:23 UTC | Swap | [0] 0x000000000000…20cbbe5f [1] 0x000000000000…20cbbe5f data: 0x000000000000000000…fffbc89e |
| 0xa28203…94c8b8 | 14 days agoMon, 03 Aug 2026 12:06:09 UTC | Swap | [0] 0x000000000000…20cbbe5f [1] 0x000000000000…20cbbe5f data: 0xffffffffffffffffff…fffbc89e |
| 0xf5c29c…e3e546 | 14 days agoMon, 03 Aug 2026 08:42:32 UTC | Swap | [0] 0x000000000000…20cbbe5f [1] 0x000000000000…20cbbe5f data: 0x000000000000000000…fffbc89e |
| 0xdbb956…142557 | 14 days agoMon, 03 Aug 2026 08:26:55 UTC | Swap | [0] 0x000000000000…20cbbe5f [1] 0x000000000000…20cbbe5f data: 0x000000000000000000…fffbc89e |
| Transaction Hash | Method ? | Block | Age | From | To | Amount | Txn Fee ? | ||
|---|---|---|---|---|---|---|---|---|---|
| No direct transactions — this address is only ever reached via internal calls (it’s a DEX pool: swaps route through a router, never straight to the pool contract). View Internal Transactions → | |||||||||
| Transaction Hash | Method | Block | Age | From | To | Amount | Token | ||
|---|---|---|---|---|---|---|---|---|---|
| 0x2c36231a…34d4d3 | Transfer | 35,529,570 | 4 days agoThu, 13 Aug 2026 16:20:53 UTC | 0x3d2b…6bfc | IN | 0xd6b9…a577 | 5 USDG | global dollar (USDG) | |
| 0xfc294842…fdb3ac | Transfer | 35,523,387 | 4 days agoThu, 13 Aug 2026 16:10:32 UTC | 0x3d2b…6bfc | IN | 0xd6b9…a577 | 69.8472 USDE | Ethena USDe (USDE) | |
| 0xc41f66cb…baebd1 | Transfer | 33,517,185 | 6 days agoTue, 11 Aug 2026 08:27:23 UTC | 0xd6b9…a577 | OUT | 0xf119…db2b | $1.051.044733 USDG |  Global Dollar (USDG) | |
| 0xc41f66cb…baebd1 | Transfer | 33,517,185 | 6 days agoTue, 11 Aug 2026 08:27:23 UTC | 0xd6b9…a577 | OUT | 0xf119…db2b | 0.951922 USDe |  USDe (USDe) | |
| 0x528660b2…70314e | Transfer | 29,745,756 | 11 days agoThu, 06 Aug 2026 23:31:24 UTC | 0xb29e…ab38 | IN | 0xd6b9…a577 | 25 MARIAN | Lady Marian (MARIAN) | |
| 0x2e38ffb4…d475fc | Transfer | 29,494,276 | 11 days agoThu, 06 Aug 2026 16:31:42 UTC | 0xd6b9…a577 | OUT | 0xe531…25be | $942.83939.803348 USDG | Global Dollar (USDG) | |
| 0x2e38ffb4…d475fc | Transfer | 29,494,276 | 11 days agoThu, 06 Aug 2026 16:31:42 UTC | 0xd6b9…a577 | OUT | 0xe531…25be | 1,143.205722 USDe | USDe (USDe) | |
| 0x2a88d417…60b936 | Transfer | 29,297,948 | 11 days agoThu, 06 Aug 2026 11:03:45 UTC | 0xa7e0…34ac | IN | 0xd6b9…a577 | 3 USER | United States Energy Reserve (USER) | |
| 0x29a029d8…51ab8f | Transfer | 29,174,481 | 11 days agoThu, 06 Aug 2026 07:37:23 UTC | 0xd2e4…b70c | IN | 0xd6b9…a577 | 7 FROGE | FROGE (FROGE) | |
| 0xeb6a0515…e8a91f | Transfer | 28,768,351 | 12 days agoWed, 05 Aug 2026 20:19:33 UTC | 0xd2e4…b70c | IN | 0xd6b9…a577 | 1 WBTC | Wrapped BTC (WBTC) | |
| 0x3f5f74c2…b0d431 | Transfer | 28,738,953 | 12 days agoWed, 05 Aug 2026 19:30:33 UTC | 0xb92f…ff4f | IN | 0xd6b9…a577 | $0.490.487487 USDG | Global Dollar (USDG) | |
| 0x3f5f74c2…b0d431 | Transfer | 28,738,953 | 12 days agoWed, 05 Aug 2026 19:30:33 UTC | 0xd6b9…a577 | OUT | 0x39b3…be5f | 0.487142 USDe | USDe (USDe) | |
| 0xdeb51f49…7227cc | Transfer | 28,500,503 | 12 days agoWed, 05 Aug 2026 12:53:07 UTC | 0x2ca3…125f | IN | 0xd6b9…a577 | $0.380.37389 USDG | Global Dollar (USDG) | |
| 0xdeb51f49…7227cc | Transfer | 28,500,503 | 12 days agoWed, 05 Aug 2026 12:53:07 UTC | 0xd6b9…a577 | OUT | 0x48a0…e13f | 0.373626 USDe | USDe (USDe) | |
| 0xcf854cca…9dc85a | Transfer | 28,373,872 | 12 days agoWed, 05 Aug 2026 09:21:26 UTC | 0xb92f…ff4f | IN | 0xd6b9…a577 | $0.470.469489 USDG | Global Dollar (USDG) | |
| 0xcf854cca…9dc85a | Transfer | 28,373,872 | 12 days agoWed, 05 Aug 2026 09:21:26 UTC | 0xd6b9…a577 | OUT | 0x39b3…be5f | 0.469157 USDe | USDe (USDe) | |
| 0xba345400…a414f4 | Transfer | 27,732,698 | 13 days agoTue, 04 Aug 2026 15:29:31 UTC | 0xd2e4…b70c | IN | 0xd6b9…a577 | 1 WBTC | Wrapped BTC (WBTC) | |
| 0x56d867e2…bcd21c | Transfer | 27,554,388 | 13 days agoTue, 04 Aug 2026 10:31:34 UTC | 0xb92f…ff4f | IN | 0xd6b9…a577 | 1 USDe | USDe (USDe) | |
| 0x56d867e2…bcd21c | Transfer | 27,554,388 | 13 days agoTue, 04 Aug 2026 10:31:34 UTC | 0xd6b9…a577 | OUT | 0x39b3…be5f | $1.000.999705 USDG | Global Dollar (USDG) | |
| 0x42f238fc…eec5e6 | Transfer | 27,554,253 | 13 days agoTue, 04 Aug 2026 10:31:20 UTC | 0xb92f…ff4f | IN | 0xd6b9…a577 | 1 USDe | USDe (USDe) | |
| 0x42f238fc…eec5e6 | Transfer | 27,554,253 | 13 days agoTue, 04 Aug 2026 10:31:20 UTC | 0xd6b9…a577 | OUT | 0x39b3…be5f | $1.000.999707 USDG | Global Dollar (USDG) | |
| 0xabaa9018…283b7f | Transfer | 27,553,984 | 13 days agoTue, 04 Aug 2026 10:30:54 UTC | 0xb92f…ff4f | IN | 0xd6b9…a577 | 1 USDe | USDe (USDe) | |
| 0xabaa9018…283b7f | Transfer | 27,553,984 | 13 days agoTue, 04 Aug 2026 10:30:54 UTC | 0xd6b9…a577 | OUT | 0x39b3…be5f | $1.000.999709 USDG | Global Dollar (USDG) | |
| 0x19df7baf…953613 | Transfer | 27,553,738 | 13 days agoTue, 04 Aug 2026 10:30:30 UTC | 0xb92f…ff4f | IN | 0xd6b9…a577 | 1 USDe | USDe (USDe) | |
| 0x19df7baf…953613 | Transfer | 27,553,738 | 13 days agoTue, 04 Aug 2026 10:30:30 UTC | 0xd6b9…a577 | OUT | 0x39b3…be5f | $1.000.999711 USDG | Global Dollar (USDG) |
