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added price oracle

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This commit is contained in:
JulesCrown 2024-06-07 11:22:22 +02:00
parent 5d209e5e19
commit ec71bcd287
3 changed files with 83 additions and 7 deletions
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21
onchain/src/BaseLineLP.sol
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@ -24,6 +24,7 @@ contract BaseLineLP {
int24 constant TICK_SPACING = 200;
int24 constant ANCHOR_SPACING = 5 * TICK_SPACING;
int24 constant DISCOVERY_SPACING = 11000;
int24 constant MAX_TICK_DEVIATION = 50;
// default fee of 1%
uint24 constant FEE = uint24(10_000);
// uint256 constant FLOOR = 0;
@ -345,12 +346,27 @@ contract BaseLineLP {
}
}
function _checkPriceStability(int24 currentTick) internal view returns (bool) {
uint32 timeInterval = 300; // 5 minutes in seconds
uint32[] memory secondsAgo = new uint32[](2);
secondsAgo[0] = timeInterval; // 5 minutes ago
secondsAgo[1] = 0; // current block timestamp
(int56[] memory tickCumulatives,) = pool.observe(secondsAgo);
int56 tickCumulativeDiff = tickCumulatives[1] - tickCumulatives[0];
int24 averageTick = int24(tickCumulativeDiff / int56(int32(timeInterval)));
return (currentTick >= averageTick - MAX_TICK_DEVIATION && currentTick <= averageTick + MAX_TICK_DEVIATION);
}
// call this function when price has moved up 15%
function shift() external {
require(positions[Stage.ANCHOR].liquidity > 0, "Not initialized");
// Fetch the current tick from the Uniswap V3 pool
(uint160 sqrtPriceX96, int24 currentTick, , , , , ) = pool.slot0();
// TODO: check slippage with oracle
// check slippage with oracle
_checkPriceStability(currentTick);
// ## check price moved up
{
@ -406,7 +422,8 @@ contract BaseLineLP {
function slide() external {
// Fetch the current tick from the Uniswap V3 pool
(uint160 sqrtPriceX96, int24 currentTick, , , , , ) = pool.slot0();
// TODO: check slippage with oracle
// check slippage with oracle
_checkPriceStability(currentTick);
// ## check price moved down
if (positions[Stage.ANCHOR].liquidity > 0) {