@swaptoshi/dex-module/dist/stores/library/periphery/pool_ticks_counter.js

Klayr decentralized exchange (dex) on-chain module

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.countInitializedTicksCrossed = countInitializedTicksCrossed;
exports.countOneBits = countOneBits;
const int_1 = require("../int");
async function countInitializedTicksCrossed(tickBitmapStore, context, self, tickBefore, tickAfter) {
    let initializedTicksCrossed = int_1.Uint32.from(0);
    let wordPosLower = int_1.Int16.from(0);
    let wordPosHigher = int_1.Int16.from(0);
    let bitPosLower = int_1.Uint8.from(0);
    let bitPosHigher = int_1.Uint8.from(0);
    let tickBeforeInitialized = false;
    let tickAfterInitialized = false;
    const wordPos = int_1.Int16.from(0).add(int_1.Int24.from(tickBefore).div(self.tickSpacing).shr(8));
    const bitPos = int_1.Uint8.from(0).add(int_1.Int24.from(tickBefore).div(self.tickSpacing).mod(256));
    const wordPosAfter = int_1.Int16.from(0).add(int_1.Int24.from(tickAfter).div(self.tickSpacing).shr(8));
    const bitPosAfter = int_1.Uint8.from(int_1.Int24.from(tickAfter).div(self.tickSpacing).mod(256));
    tickAfterInitialized =
        int_1.Uint256.from(int_1.Uint256.from((await tickBitmapStore.getOrDefault(context, tickBitmapStore.getKey(self.address, wordPosAfter.toString()))).bitmap).and(int_1.Uint256.from(1).shl(bitPosAfter))).gt(0) &&
            int_1.Uint256.from(int_1.Int24.from(tickAfter).mod(self.tickSpacing)).eq(0) &&
            int_1.Int24.from(tickBefore).gt(tickAfter);
    tickBeforeInitialized =
        int_1.Uint256.from(int_1.Uint256.from((await tickBitmapStore.getOrDefault(context, tickBitmapStore.getKey(self.address, wordPos.toString()))).bitmap).and(int_1.Uint256.from(1).shl(bitPos))).gt(0) &&
            int_1.Uint256.from(int_1.Int24.from(tickBefore).mod(self.tickSpacing)).eq(0) &&
            int_1.Int24.from(tickBefore).lt(tickAfter);
    if (wordPos.lt(wordPosAfter) || (wordPos.eq(wordPosAfter) && bitPos.lte(bitPosAfter))) {
        wordPosLower = int_1.Int16.from(wordPos);
        bitPosLower = int_1.Uint8.from(bitPos);
        wordPosHigher = int_1.Int16.from(wordPosAfter);
        bitPosHigher = int_1.Uint8.from(bitPosAfter);
    }
    else {
        wordPosLower = int_1.Int16.from(wordPosAfter);
        bitPosLower = int_1.Uint8.from(bitPosAfter);
        wordPosHigher = int_1.Int16.from(wordPos);
        bitPosHigher = int_1.Uint8.from(bitPos);
    }
    let mask = int_1.Uint256.from(int_1.Uint256.MAX).shl(bitPosLower);
    while (wordPosLower.lte(wordPosHigher)) {
        if (wordPosLower.eq(wordPosHigher)) {
            mask = mask.and(int_1.Uint256.from(int_1.Uint256.MAX).shr(int_1.Uint8.from(255).sub(bitPosHigher)));
        }
        const masked = int_1.Uint256.from((await tickBitmapStore.getOrDefault(context, tickBitmapStore.getKey(self.address, wordPosLower.toString()))).bitmap).and(mask);
        initializedTicksCrossed = initializedTicksCrossed.add(countOneBits(masked.toString()));
        wordPosLower = wordPosLower.add(1);
        mask = int_1.Uint256.from(int_1.Uint256.MAX);
    }
    if (tickAfterInitialized) {
        initializedTicksCrossed = initializedTicksCrossed.sub(1);
    }
    if (tickBeforeInitialized) {
        initializedTicksCrossed = initializedTicksCrossed.sub(1);
    }
    return initializedTicksCrossed.toString();
}
function countOneBits(_x) {
    let x = int_1.Uint256.from(_x);
    let bits = int_1.Uint16.from(0);
    while (!x.eq(0)) {
        bits = bits.add(1);
        x = x.and(x.sub(1));
    }
    return bits.toString();
}
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