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fix(uniswap): CLMM executeSwap reverts "Too little received" — sqrtPriceLimitX96 set to average execution price #675

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Merged
fengtality merged 2 commits into from
Aug 11, 2026
Merged

fix(uniswap): CLMM executeSwap reverts "Too little received" — sqrtPriceLimitX96 set to average execution price #675

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fix(uniswap): remove average-price sqrtPriceLimitX96 from CLMM execut…
fengtality Aug 8, 2026
2069904
Merge branch 'development' into fix/uniswap-clmm-sqrt-price-limit
fengtality Aug 11, 2026
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13 changes: 7 additions & 6 deletions src/connectors/uniswap/clmm-routes/executeSwap.ts
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Original file line number Diff line number Diff line change
@@ -1,7 +1,5 @@
import { encodeSqrtRatioX96 } from '@uniswap/v3-sdk';
import { BigNumber, Contract, utils } from 'ethers';
import { FastifyPluginAsync } from 'fastify';
import { re } from 'mathjs';

import { Ethereum } from '../../../chains/ethereum/ethereum';
import { EthereumLedger } from '../../../chains/ethereum/ethereum-ledger';
Expand Down Expand Up @@ -96,10 +94,13 @@ export async function executeClmmSwap(
amountOut: 0,
amountInMaximum: 0,
amountOutMinimum: 0,
sqrtPriceLimitX96: encodeSqrtRatioX96(
quote.trade.executionPrice.numerator,
quote.trade.executionPrice.denominator,
).toString(),
// No price limit: slippage protection comes from amountOutMinimum /
// amountInMaximum (set from the quote below). Encoding the trade's
// *average* execution price here makes any swap whose ending price
// crosses its own average partial-fill at the limit and revert with
// "Too little received" — near-guaranteed on thin pools or any size
// with more than ~a tick of impact.
sqrtPriceLimitX96: '0',
};

let receipt;
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