solana-dex-parser

<!doctype html> <html lang="en"> <head> <title>Code coverage report for src/parsers/parser-meteora.ts</title> <meta charset="utf-8" /> <link rel="stylesheet" href="../../prettify.css" /> <link rel="stylesheet" href="../../base.css" /> <link rel="shortcut icon" type="image/x-icon" href="../../favicon.png" /> <meta name="viewport" content="width=device-width, initial-scale=1" /> <style type='text/css'> .coverage-summary .sorter { background-image: url(../../sort-arrow-sprite.png); } </style> </head> <body> <div class='wrapper'> <div class='pad1'> <h1><a href="../../index.html">All files</a> / <a href="index.html">src/parsers</a> parser-meteora.ts</h1> <div class='clearfix'> <div class='fl pad1y space-right2'> 7.4% Statements 4/54 </div> <div class='fl pad1y space-right2'> 0% Branches 0/23 </div> <div class='fl pad1y space-right2'> 0% Functions 0/16 </div> <div class='fl pad1y space-right2'> 8% Lines 4/50 </div> </div> Press n or j to go to the next uncovered block, b, p or k for the previous block. <template id="filterTemplate"> <div class="quiet"> Filter: <input type="search" id="fileSearch"> </div> </template> </div> <div class='status-line low'></div> <pre><table class="coverage"> <tr><td class="line-count quiet"><a name='L1'></a><a href='#L1'>1</a> <a name='L2'></a><a href='#L2'>2</a> <a name='L3'></a><a href='#L3'>3</a> <a name='L4'></a><a href='#L4'>4</a> <a name='L5'></a><a href='#L5'>5</a> <a name='L6'></a><a href='#L6'>6</a> <a name='L7'></a><a href='#L7'>7</a> <a name='L8'></a><a href='#L8'>8</a> <a name='L9'></a><a href='#L9'>9</a> <a name='L10'></a><a href='#L10'>10</a> <a name='L11'></a><a href='#L11'>11</a> <a name='L12'></a><a href='#L12'>12</a> <a name='L13'></a><a href='#L13'>13</a> <a name='L14'></a><a href='#L14'>14</a> <a name='L15'></a><a href='#L15'>15</a> <a name='L16'></a><a href='#L16'>16</a> <a name='L17'></a><a href='#L17'>17</a> <a name='L18'></a><a href='#L18'>18</a> <a name='L19'></a><a href='#L19'>19</a> <a name='L20'></a><a 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TransactionUtils } from '../transaction-utils';   export class MeteoraParser { private readonly utils: TransactionUtils;   constructor( private readonly adapter: TransactionAdapter, private readonly dexInfo: DexInfo, private readonly transferActions: Record<string, TransferData[]> ) { this.utils = new TransactionUtils(adapter); }   public processTrades(): TradeInfo[] { const trades: TradeInfo[] = []; Object.entries(this.transferActions).forEach((it) => { trades.push(...this.parseTransferAction(it)); }); return trades; }   public parseTransferAction(transfer: [string, TransferData[]]): TradeInfo[] { const trades: TradeInfo[] = []; const [programId, idxs] = transfer[0].split(':'); const [outerIndex, innerIndex] = idxs.split('-');   Iif (transfer[1].length >= 2 && [DEX_PROGRAMS.METEORA.id, DEX_PROGRAMS.METEORA_POOLS.id].includes(programId)) { const instruction = innerIndex ? this.adapter.getInnerInstruction(Number(outerIndex), Number(innerIndex)) : this.adapter.instructions[Number(outerIndex)];   Iif (this.notLiquidityEvent(instruction)) { const trade = this.utils.processSwapData(transfer[1], { ...this.dexInfo, amm: this.dexInfo.amm || getProgramName(programId), }); Iif (trade) { trades.push(trade); } } } return trades; }   public processInstructionTrades(instruction: any, outerIndex: number, innerIndex?: number): TradeInfo[] { try { const accounts = this.adapter.getInstructionAccounts(instruction); const curIdx = innerIndex === undefined ? outerIndex.toString() : `${outerIndex}-${innerIndex}`; const transfers = this.processMeteoraSwaps(outerIndex).filter( (it) => accounts.includes(it.info.destination) && it.idx >= curIdx ); Iif (transfers.length > 0) { const trade = this.utils.processSwapData(transfers, this.dexInfo); Iif (trade) return [trade]; } return []; } catch (error) { console.error('Error processing Meteora trades:', error); return []; } }   public isTradeInstruction(instruction: any): boolean { const programId = this.adapter.getInstructionProgramId(instruction); return ( [DEX_PROGRAMS.METEORA.id, DEX_PROGRAMS.METEORA_POOLS.id].includes(programId) && this.notLiquidityEvent(instruction) ); }   private notLiquidityEvent(instruction: any): boolean { const data = getInstructionData(instruction); Iif (!data) return true;   const instructionType = data.slice(0, 8); const isDLMMLiquidity = Object.values(DISCRIMINATORS.METEORA_DLMM) .flatMap((it) => Object.values(it)) .some((it) => instructionType.equals(it)); const isPoolsLiquidity = Object.values(DISCRIMINATORS.METEORA_POOLS).some((it) => instructionType.equals(it));   return !isDLMMLiquidity && !isPoolsLiquidity; }   private processMeteoraSwaps(instructionIndex: number): TransferData[] { const innerInstructions = this.adapter.innerInstructions; Iif (!innerInstructions) return [];   return innerInstructions .filter((set) => set.index === instructionIndex) .flatMap((set) => set.instructions .map((instruction, index) => this.notLiquidityEvent(instruction) ? this.utils.parseInstructionAction(instruction, `${instructionIndex}-${index}`) : null ) .filter((transfer): transfer is TransferData => transfer !== null) ); } }  </pre></td></tr></table></pre> <div class='push'></div> </div> <div class='footer quiet pad2 space-top1 center small'> Code coverage generated by <a href="https://istanbul.js.org/" target="_blank" rel="noopener noreferrer">istanbul</a> at 2025-03-28T13:31:27.588Z </div> <script src="../../prettify.js"></script> <script> window.onload = function () { prettyPrint(); }; </script> <script src="../../sorter.js"></script> <script src="../../block-navigation.js"></script> </body> </html>