All files / src/parsers/orca parser-orca.ts

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
1x
 
1x
1x
 
1x
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
import { DEX_PROGRAMS, DISCRIMINATORS } from '../../constants';
import { TradeInfo } from '../../types';
import { getInstructionData, getProgramName } from '../../utils';
import { BaseParser } from '../base-parser';
 
export class OrcaParser extends BaseParser {
  public processTrades(): TradeInfo[] {
    const trades: TradeInfo[] = [];
 
    this.classifiedInstructions.forEach(({ instruction, programId, outerIndex, innerIndex }) => {
      Iif (DEX_PROGRAMS.ORCA.id === programId && this.notLiquidityEvent(instruction)) {
        const transfers = this.getTransfersForInstruction(programId, outerIndex, innerIndex);
        Iif (transfers.length >= 2) {
          const trade = this.utils.processSwapData(transfers, {
            ...this.dexInfo,
            amm: this.dexInfo.amm || getProgramName(programId),
          });
          Iif (trade) {
            trades.push(trade);
          }
        }
      }
    });
 
    return trades;
  }
 
  private notLiquidityEvent(instruction: any): boolean {
    Iif (instruction.data) {
      const instructionType = getInstructionData(instruction).slice(0, 8);
      return !Object.values(DISCRIMINATORS.ORCA).some((it) => instructionType.equals(it));
    }
    return true;
  }
}