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 | 1x 1x 1x 1x | import { DEX_PROGRAMS } from '../constants';
import {
convertToUiAmount,
PoolEvent,
PumpswapCreatePoolEvent,
PumpswapDepositEvent,
PumpswapEvent,
PumpswapWithdrawEvent,
} from '../types';
import { PumpswapEventParser } from './parser-pumpswap-event';
import { TransactionAdapter } from '../transaction-adapter';
export class PumpswapLiquidityParser {
private eventParser: PumpswapEventParser;
constructor(private readonly adapter: TransactionAdapter) {
this.eventParser = new PumpswapEventParser(this.adapter);
}
public processLiquidity(): PoolEvent[] {
const events = this.eventParser.processEvents().filter((it) => ['CREATE', 'ADD', 'REMOVE'].includes(it.type));
return events.length > 0 ? this.parseLiquidityEvents(events) : [];
}
private parseLiquidityEvents(events: PumpswapEvent[]): PoolEvent[] {
Iif (!events.length) return [];
return events
.map((event) => {
switch (event.type) {
case 'CREATE':
return this.parseCreateEvent(event);
case 'ADD':
return this.parseDepositEvent(event);
case 'REMOVE':
return this.parseWithdrawEvent(event);
default:
return null;
}
})
.filter((it) => it != null);
}
private parseCreateEvent(data: PumpswapEvent): PoolEvent {
const event = data.data as PumpswapCreatePoolEvent;
return {
...this.adapter.getPoolEventBase('CREATE', DEX_PROGRAMS.PUMP_SWAP.id),
idx: data.idx,
poolId: event.pool,
poolLpMint: event.lpMint,
token0Mint: event.baseMint,
token1Mint: event.quoteMint,
token0Amount: convertToUiAmount(event.baseAmountIn, event.baseMintDecimals),
token1Amount: convertToUiAmount(event.quoteAmountIn, event.quoteMintDecimals),
token0Decimals: event.baseMintDecimals,
token1Decimals: event.quoteMintDecimals,
};
}
private parseDepositEvent(data: PumpswapEvent): PoolEvent {
const event = data.data as PumpswapDepositEvent;
const token0Mint = this.adapter.splTokenMap.get(event.userBaseTokenAccount)!.mint;
const token0Decimals = this.adapter.getTokenDecimals(token0Mint);
const token1Mint = this.adapter.splTokenMap.get(event.userQuoteTokenAccount)!.mint;
const token1Decimals = this.adapter.getTokenDecimals(token1Mint);
return {
...this.adapter.getPoolEventBase('ADD', DEX_PROGRAMS.PUMP_SWAP.id),
idx: data.idx,
poolId: event.pool,
poolLpMint: this.adapter.splTokenMap.get(event.userPoolTokenAccount)!.mint,
token0Mint: token0Mint,
token1Mint: token1Mint,
token0Amount: convertToUiAmount(event.baseAmountIn, token0Decimals),
token1Amount: convertToUiAmount(event.quoteAmountIn,token1Decimals),
token0Decimals: token0Decimals,
token1Decimals: token1Decimals,
};
}
private parseWithdrawEvent(data: PumpswapEvent): PoolEvent {
const event = data.data as PumpswapWithdrawEvent;
const token0Mint = this.adapter.splTokenMap.get(event.userBaseTokenAccount)!.mint;
const token0Decimals = this.adapter.getTokenDecimals(token0Mint);
const token1Mint = this.adapter.splTokenMap.get(event.userQuoteTokenAccount)!.mint;
const token1Decimals = this.adapter.getTokenDecimals(token1Mint);
return {
...this.adapter.getPoolEventBase('REMOVE', DEX_PROGRAMS.PUMP_SWAP.id),
idx: data.idx,
poolId: event.pool,
poolLpMint: this.adapter.splTokenMap.get(event.userPoolTokenAccount)!.mint,
token0Mint: token0Mint,
token1Mint: token1Mint,
token0Amount: convertToUiAmount(event.baseAmountOut, token0Decimals),
token1Amount: convertToUiAmount(event.quoteAmountOut,token1Decimals),
token0Decimals: token0Decimals,
token1Decimals: token1Decimals,
};
}
}
|