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@orca-so/whirlpools-sdk

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Typescript SDK to interact with Orca's Whirlpool program.

orca.so

orca-so/whirlpools

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"use strict"; Object.defineProperty(exports, "__esModule", { value: true }); exports.collectFeesQuote = collectFeesQuote; const common_sdk_1 = require("@orca-so/common-sdk"); const token_extension_util_1 = require("../../utils/public/token-extension-util"); function collectFeesQuote(param) { const { whirlpool, position, tickLower, tickUpper, tokenExtensionCtx } = param; const { tickCurrentIndex, feeGrowthGlobalA: feeGrowthGlobalAX64, feeGrowthGlobalB: feeGrowthGlobalBX64, } = whirlpool; const { tickLowerIndex, tickUpperIndex, liquidity, feeOwedA, feeOwedB, feeGrowthCheckpointA: feeGrowthCheckpointAX64, feeGrowthCheckpointB: feeGrowthCheckpointBX64, } = position; const { feeGrowthOutsideA: tickLowerFeeGrowthOutsideAX64, feeGrowthOutsideB: tickLowerFeeGrowthOutsideBX64, } = tickLower; const { feeGrowthOutsideA: tickUpperFeeGrowthOutsideAX64, feeGrowthOutsideB: tickUpperFeeGrowthOutsideBX64, } = tickUpper; let feeGrowthBelowAX64 = null; let feeGrowthBelowBX64 = null; if (tickCurrentIndex < tickLowerIndex) { feeGrowthBelowAX64 = common_sdk_1.MathUtil.subUnderflowU128(feeGrowthGlobalAX64, tickLowerFeeGrowthOutsideAX64); feeGrowthBelowBX64 = common_sdk_1.MathUtil.subUnderflowU128(feeGrowthGlobalBX64, tickLowerFeeGrowthOutsideBX64); } else { feeGrowthBelowAX64 = tickLowerFeeGrowthOutsideAX64; feeGrowthBelowBX64 = tickLowerFeeGrowthOutsideBX64; } let feeGrowthAboveAX64 = null; let feeGrowthAboveBX64 = null; if (tickCurrentIndex < tickUpperIndex) { feeGrowthAboveAX64 = tickUpperFeeGrowthOutsideAX64; feeGrowthAboveBX64 = tickUpperFeeGrowthOutsideBX64; } else { feeGrowthAboveAX64 = common_sdk_1.MathUtil.subUnderflowU128(feeGrowthGlobalAX64, tickUpperFeeGrowthOutsideAX64); feeGrowthAboveBX64 = common_sdk_1.MathUtil.subUnderflowU128(feeGrowthGlobalBX64, tickUpperFeeGrowthOutsideBX64); } const feeGrowthInsideAX64 = common_sdk_1.MathUtil.subUnderflowU128(common_sdk_1.MathUtil.subUnderflowU128(feeGrowthGlobalAX64, feeGrowthBelowAX64), feeGrowthAboveAX64); const feeGrowthInsideBX64 = common_sdk_1.MathUtil.subUnderflowU128(common_sdk_1.MathUtil.subUnderflowU128(feeGrowthGlobalBX64, feeGrowthBelowBX64), feeGrowthAboveBX64); const feeOwedADelta = common_sdk_1.MathUtil.subUnderflowU128(feeGrowthInsideAX64, feeGrowthCheckpointAX64) .mul(liquidity) .shrn(64); const feeOwedBDelta = common_sdk_1.MathUtil.subUnderflowU128(feeGrowthInsideBX64, feeGrowthCheckpointBX64) .mul(liquidity) .shrn(64); const updatedFeeOwedA = feeOwedA.add(feeOwedADelta); const transferFeeExcludedAmountA = token_extension_util_1.TokenExtensionUtil.calculateTransferFeeExcludedAmount(updatedFeeOwedA, tokenExtensionCtx.tokenMintWithProgramA, tokenExtensionCtx.currentEpoch); const updatedFeeOwedB = feeOwedB.add(feeOwedBDelta); const transferFeeExcludedAmountB = token_extension_util_1.TokenExtensionUtil.calculateTransferFeeExcludedAmount(updatedFeeOwedB, tokenExtensionCtx.tokenMintWithProgramB, tokenExtensionCtx.currentEpoch); return { feeOwedA: transferFeeExcludedAmountA.amount, feeOwedB: transferFeeExcludedAmountB.amount, transferFee: { deductedFromFeeOwedA: transferFeeExcludedAmountA.fee, deductedFromFeeOwedB: transferFeeExcludedAmountB.fee, }, }; } //# sourceMappingURL=collect-fees-quote.js.map