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| 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 | 1x 1x 1x 1x | import { DISCRIMINATORS } from '../../constants';
import { convertToUiAmount, PoolEvent, PoolEventType, TransferData } from '../../types';
import { MeteoraLiquidityParserBase } from './parser-meteora-liquidity-base';
export class MeteoraPoolsParser extends MeteoraLiquidityParserBase {
public getPoolAction(data: Buffer): PoolEventType | null {
const instructionType = data.slice(0, 8);
Iif (instructionType.equals(DISCRIMINATORS.METEORA_POOLS.CREATE)) return 'CREATE';
Iif (instructionType.equals(DISCRIMINATORS.METEORA_POOLS.ADD_LIQUIDITY)) return 'ADD';
Iif (instructionType.equals(DISCRIMINATORS.METEORA_POOLS.REMOVE_LIQUIDITY)) return 'REMOVE';
return null;
}
protected parseCreateLiquidityEvent(
instruction: any,
index: number,
data: Buffer,
transfers: TransferData[]
): PoolEvent {
const accounts = this.adapter.getInstructionAccounts(instruction);
const [token0, token1] = this.utils.getLPTransfers(transfers);
const lpToken = transfers.find((t) => t.type === 'mintTo');
const token0Mint = token0?.info.mint || accounts[3];
const token1Mint = token1?.info.mint || accounts[4];
const programId = this.adapter.getInstructionProgramId(instruction);
const [token0Decimals, token1Decimals] = [
this.adapter.getTokenDecimals(token0Mint),
this.adapter.getTokenDecimals(token1Mint),
];
return {
...this.adapter.getPoolEventBase('CREATE', programId),
idx: index.toString(),
poolId: accounts[0],
poolLpMint: accounts[2],
token0Mint,
token1Mint,
token0Amount: token0?.info.tokenAmount.uiAmount || convertToUiAmount(data.readBigUInt64LE(16), token0Decimals),
token0AmountRaw: token0?.info.tokenAmount.amount || data.readBigUInt64LE(16).toString(),
token1Amount: token1?.info.tokenAmount.uiAmount || convertToUiAmount(data.readBigUInt64LE(8), token1Decimals),
token1AmountRaw: token1?.info.tokenAmount.amount || data.readBigUInt64LE(8).toString(),
token0Decimals,
token1Decimals,
lpAmount: lpToken?.info.tokenAmount.uiAmount || 0,
lpAmountRaw: lpToken?.info.tokenAmount.amount,
};
}
protected parseAddLiquidityEvent(
instruction: any,
index: number,
data: Buffer,
transfers: TransferData[]
): PoolEvent {
const accounts = this.adapter.getInstructionAccounts(instruction);
const [token0, token1] = this.utils.getLPTransfers(transfers);
const lpToken = transfers.find((t) => t.type === 'mintTo');
const token0Mint = token0?.info.mint;
const token1Mint = token1?.info.mint;
const programId = this.adapter.getInstructionProgramId(instruction);
const [token0Decimals, token1Decimals] = [
this.adapter.getTokenDecimals(token0Mint),
this.adapter.getTokenDecimals(token1Mint),
];
return {
...this.adapter.getPoolEventBase('ADD', programId),
idx: index.toString(),
poolId: accounts[0],
poolLpMint: accounts[1],
token0Mint,
token1Mint,
token0Amount: token0?.info.tokenAmount.uiAmount || convertToUiAmount(data.readBigUInt64LE(24), token0Decimals),
token0AmountRaw: token0?.info.tokenAmount.amount || data.readBigUInt64LE(24).toString(),
token1Amount: token1?.info.tokenAmount.uiAmount || convertToUiAmount(data.readBigUInt64LE(16), token1Decimals),
token1AmountRaw: token1?.info.tokenAmount.amount || data.readBigUInt64LE(16).toString(),
token0Decimals,
token1Decimals,
lpAmount:
lpToken?.info.tokenAmount.uiAmount ||
convertToUiAmount(data.readBigUInt64LE(8), this.adapter.getTokenDecimals(accounts[1])),
lpAmountRaw: lpToken?.info.tokenAmount.amount || data.readBigUInt64LE(8).toString(),
};
}
protected parseRemoveLiquidityEvent(
instruction: any,
index: number,
data: Buffer,
transfers: TransferData[]
): PoolEvent {
const accounts = this.adapter.getInstructionAccounts(instruction);
const [token0, token1] = this.utils.getLPTransfers(transfers);
const lpToken = transfers.find((t) => t.type === 'burn');
const token0Mint = token0?.info.mint;
const token1Mint = token1?.info.mint;
const programId = this.adapter.getInstructionProgramId(instruction);
const [token0Decimals, token1Decimals] = [
this.adapter.getTokenDecimals(token0Mint),
this.adapter.getTokenDecimals(token1Mint),
];
return {
...this.adapter.getPoolEventBase('REMOVE', programId),
idx: index.toString(),
poolId: accounts[0],
poolLpMint: accounts[1],
token0Mint,
token1Mint,
token0Amount: token0?.info.tokenAmount.uiAmount || convertToUiAmount(data.readBigUInt64LE(24), token0Decimals),
token0AmountRaw: token0?.info.tokenAmount.amount || data.readBigUInt64LE(24).toString(),
token1Amount: token1?.info.tokenAmount.uiAmount || convertToUiAmount(data.readBigUInt64LE(16), token1Decimals),
token1AmountRaw: token1?.info.tokenAmount.amount || data.readBigUInt64LE(16).toString(),
token0Decimals,
token1Decimals,
lpAmount:
lpToken?.info.tokenAmount.uiAmount ||
convertToUiAmount(data.readBigUInt64LE(8), this.adapter.getTokenDecimals(accounts[1])),
lpAmountRaw: lpToken?.info.tokenAmount.amount || data.readBigUInt64LE(8).toString(),
};
}
}
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