solana-dex-parser/dist/src/parsers/meteora/parser-meteora.js

Solana Dex Transaction Parser

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.MeteoraParser = void 0;
const constants_1 = require("../../constants");
const utils_1 = require("../../utils");
const base_parser_1 = require("../base-parser");
class MeteoraParser extends base_parser_1.BaseParser {
    processTrades() {
        const trades = [];
        this.classifiedInstructions.forEach(({ instruction, programId, outerIndex, innerIndex }) => {
            if ([constants_1.DEX_PROGRAMS.METEORA.id, constants_1.DEX_PROGRAMS.METEORA_POOLS.id].includes(programId) &&
                this.notLiquidityEvent(instruction)) {
                const transfers = this.getTransfersForInstruction(programId, outerIndex, innerIndex);
                if (transfers.length >= 2) {
                    const trade = this.utils.processSwapData(transfers, {
                        ...this.dexInfo,
                        amm: this.dexInfo.amm || (0, utils_1.getProgramName)(programId),
                    });
                    if (trade) {
                        trades.push(trade);
                    }
                }
            }
        });
        return trades;
    }
    notLiquidityEvent(instruction) {
        const data = (0, utils_1.getInstructionData)(instruction);
        if (!data)
            return true;
        const instructionType = data.slice(0, 8);
        const isDLMMLiquidity = Object.values(constants_1.DISCRIMINATORS.METEORA_DLMM)
            .flatMap((it) => Object.values(it))
            .some((it) => instructionType.equals(it));
        const isPoolsLiquidity = Object.values(constants_1.DISCRIMINATORS.METEORA_POOLS).some((it) => instructionType.equals(it));
        return !isDLMMLiquidity && !isPoolsLiquidity;
    }
}
exports.MeteoraParser = MeteoraParser;
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