Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 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 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 | 1x 1x 1x 1x 1x | import { DEX_PROGRAMS } from '../constants';
import {
convertToUiAmount,
DexInfo,
PumpswapBuyEvent,
PumpswapEvent,
PumpswapSellEvent,
TradeInfo,
TransferData,
} from '../types';
import { PumpswapEventParser } from './parser-pumpswap-event';
import { TransactionAdapter } from '../transaction-adapter';
import { TransactionUtils } from '../transaction-utils';
export class PumpswapParser {
private eventParser: PumpswapEventParser;
private readonly utils: TransactionUtils;
constructor(
private readonly adapter: TransactionAdapter,
private readonly dexInfo: DexInfo,
private readonly transferActions: Record<string, TransferData[]>
) {
this.utils = new TransactionUtils(adapter);
this.eventParser = new PumpswapEventParser(this.adapter);
}
public processTrades(): TradeInfo[] {
const events = this.eventParser.processEvents().filter((it) => ['BUY', 'SELL'].includes(it.type));
return events.length > 0 ? this.processSwapData(events) : [];
}
public parseTransferAction(transfer: [string, TransferData[]]): TradeInfo[] {
const [, idxs] = transfer[0].split(':');
const [outerIndex] = idxs.split('-');
const events = this.parseInnerInstructions(Number(outerIndex));
return events.length > 0 ? this.processSwapData(events) : [];
}
private parseInnerInstructions(instructionIndex: number): PumpswapEvent[] {
return this.eventParser.processInnerInstruction(instructionIndex).filter((it) => ['BUY', 'SELL'].includes(it.type));
}
private processSwapData(events: PumpswapEvent[]): TradeInfo[] {
Iif (!events.length) return [];
return events.map((event) => (event.type == 'BUY' ? this.createBuyInfo(event) : this.createSellInfo(event)));
}
private createBuyInfo(data: PumpswapEvent): TradeInfo {
const event = data.data as PumpswapBuyEvent;
const inputMint = this.adapter.splTokenMap.get(event.userQuoteTokenAccount)!.mint;
const inputDecimal = this.adapter.getTokenDecimals(inputMint);
const outputMint = this.adapter.splTokenMap.get(event.userBaseTokenAccount)!.mint;
const ouptDecimal = this.adapter.getTokenDecimals(outputMint);
const trade: TradeInfo = {
type: 'BUY',
inputToken: {
mint: inputMint,
amount: convertToUiAmount(event.quoteAmountInWithLpFee, inputDecimal),
decimals: inputDecimal,
},
outputToken: {
mint: outputMint,
amount: convertToUiAmount(event.baseAmountOut, ouptDecimal),
decimals: ouptDecimal,
},
fee: {
mint: inputMint,
amount: convertToUiAmount(event.protocolFee, inputDecimal),
decimals: inputDecimal,
},
user: event.user,
programId: this.dexInfo.programId || DEX_PROGRAMS.PUMP_SWAP.id,
amm: DEX_PROGRAMS.PUMP_SWAP.name,
route: this.dexInfo.route || '',
slot: data.slot,
timestamp: data.timestamp,
signature: data.signature,
idx: data.idx,
};
return this.utils.attachTokenTransferInfo(trade, this.transferActions);
}
private createSellInfo(data: PumpswapEvent): TradeInfo {
const event = data.data as PumpswapSellEvent;
const inputMint = this.adapter.splTokenMap.get(event.userBaseTokenAccount)!.mint;
const inputDecimal = this.adapter.getTokenDecimals(inputMint);
const outputMint = this.adapter.splTokenMap.get(event.userQuoteTokenAccount)!.mint;
const ouptDecimal = this.adapter.getTokenDecimals(outputMint);
const trade: TradeInfo = {
type: 'SELL',
inputToken: {
mint: inputMint,
amount: convertToUiAmount(event.baseAmountIn, inputDecimal),
decimals: inputDecimal,
},
outputToken: {
mint: outputMint,
amount: convertToUiAmount(event.userQuoteAmountOut, ouptDecimal),
decimals: ouptDecimal,
},
fee: {
mint: outputMint,
amount: convertToUiAmount(event.protocolFee, ouptDecimal),
decimals: ouptDecimal,
},
user: event.user,
programId: this.dexInfo.programId || DEX_PROGRAMS.PUMP_SWAP.id,
amm: DEX_PROGRAMS.PUMP_SWAP.name,
route: this.dexInfo.route || '',
slot: data.slot,
timestamp: data.timestamp,
signature: data.signature,
idx: data.idx,
};
return this.utils.attachTokenTransferInfo(trade, this.transferActions);
}
}
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