solana-dex-parser
Version:
Solana Dex Transaction Parser
117 lines • 6.18 kB
JavaScript
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.MeteoraDAMMPoolParser = void 0;
const constants_1 = require("../../constants");
const parser_meteora_liquidity_base_1 = require("./parser-meteora-liquidity-base");
class MeteoraDAMMPoolParser extends parser_meteora_liquidity_base_1.MeteoraLiquidityParserBase {
getPoolAction(data) {
const instructionType = data.slice(0, 8);
if (instructionType.equals(constants_1.DISCRIMINATORS.METEORA_DAMM.INITIALIZE_POOL))
return 'CREATE';
if (instructionType.equals(constants_1.DISCRIMINATORS.METEORA_DAMM.INITIALIZE_CUSTOM_POOL))
return 'CREATE';
if (instructionType.equals(constants_1.DISCRIMINATORS.METEORA_DAMM.ADD_LIQUIDITY))
return 'ADD';
if (instructionType.equals(constants_1.DISCRIMINATORS.METEORA_DAMM.CLAIM_POSITION_FEE))
return 'REMOVE';
if (instructionType.equals(constants_1.DISCRIMINATORS.METEORA_DAMM.REMOVE_LIQUIDITY))
return 'REMOVE';
if (instructionType.equals(constants_1.DISCRIMINATORS.METEORA_DAMM.REMOVE_ALL_LIQUIDITY))
return 'REMOVE';
return null;
}
parseCreateLiquidityEvent(instruction, index, data, transfers) {
const discriminator = data.slice(0, 8);
const eventInstruction = this.getInstructionByDiscriminator(constants_1.DISCRIMINATORS.METEORA_DAMM.CREATE_POSITION_EVENT, 16);
if (!eventInstruction)
throw new Error('Event instruction not found');
const eventTransfers = this.getTransfersForInstruction(eventInstruction.programId, eventInstruction.outerIndex, eventInstruction.innerIndex);
const [token0, token1] = this.utils.getLPTransfers(eventTransfers);
const lpToken = transfers.find((t) => t.type === 'mintTo');
const accounts = this.adapter.getInstructionAccounts(instruction);
const token0Mint = token0?.info.mint ||
(discriminator.equals(constants_1.DISCRIMINATORS.METEORA_DAMM.INITIALIZE_CUSTOM_POOL) ? accounts[7] : accounts[8]);
const token1Mint = token1?.info.mint ||
(discriminator.equals(constants_1.DISCRIMINATORS.METEORA_DAMM.INITIALIZE_CUSTOM_POOL) ? accounts[8] : accounts[9]);
const programId = this.adapter.getInstructionProgramId(instruction);
const [token0Decimals, token1Decimals] = [
this.adapter.getTokenDecimals(token0Mint),
this.adapter.getTokenDecimals(token1Mint),
];
const poolId = discriminator.equals(constants_1.DISCRIMINATORS.METEORA_DAMM.INITIALIZE_CUSTOM_POOL) ? accounts[5] : accounts[6];
return {
...this.adapter.getPoolEventBase('CREATE', programId),
idx: index.toString(),
poolId: poolId,
poolLpMint: lpToken?.info.mint || accounts[1],
token0Mint,
token1Mint,
token0Amount: token0?.info.tokenAmount.uiAmount,
token0AmountRaw: token0?.info.tokenAmount.amount,
token1Amount: token1?.info.tokenAmount.uiAmount,
token1AmountRaw: token1?.info.tokenAmount.amount,
token0Decimals,
token1Decimals,
lpAmount: lpToken?.info.tokenAmount.uiAmount || 1,
lpAmountRaw: lpToken?.info.tokenAmount.amount || '1',
};
}
parseAddLiquidityEvent(instruction, index, data, transfers) {
const [token0, token1] = this.normalizeTokens(transfers);
const programId = this.adapter.getInstructionProgramId(instruction);
const accounts = this.adapter.getInstructionAccounts(instruction);
return {
...this.adapter.getPoolEventBase('ADD', programId),
idx: index.toString(),
poolId: accounts[0],
poolLpMint: accounts[1],
token0Mint: token0?.info.mint,
token1Mint: token1?.info.mint,
token0Amount: token0?.info.tokenAmount.uiAmount || 0,
token0AmountRaw: token0?.info.tokenAmount.amount,
token1Amount: token1?.info.tokenAmount.uiAmount || 0,
token1AmountRaw: token1?.info.tokenAmount.amount,
token0Decimals: token0 && this.adapter.getTokenDecimals(token0?.info.mint),
token1Decimals: token1 && this.adapter.getTokenDecimals(token1?.info.mint),
};
}
parseRemoveLiquidityEvent(instruction, index, data, transfers) {
const accounts = this.adapter.getInstructionAccounts(instruction);
let [token0, token1] = this.normalizeTokens(transfers);
if (token1 == undefined && token0?.info.mint == accounts[8]) {
token1 = token0;
token0 = undefined;
}
else if (token0 == undefined && token1?.info.mint == accounts[7]) {
token0 = token1;
token1 = undefined;
}
const token0Mint = token0?.info.mint || accounts[7];
const token1Mint = token1?.info.mint || accounts[8];
const programId = this.adapter.getInstructionProgramId(instruction);
return {
...this.adapter.getPoolEventBase('REMOVE', programId),
idx: index.toString(),
poolId: accounts[1],
poolLpMint: accounts[2],
token0Mint: token0?.info.mint || accounts[7],
token1Mint: token1?.info.mint || accounts[8],
token0Amount: token0?.info.tokenAmount.uiAmount || 0,
token0AmountRaw: token0?.info.tokenAmount.amount,
token1Amount: token1?.info.tokenAmount.uiAmount || 0,
token1AmountRaw: token1?.info.tokenAmount.amount,
token0Decimals: this.adapter.getTokenDecimals(token0Mint),
token1Decimals: this.adapter.getTokenDecimals(token1Mint),
};
}
normalizeTokens(transfers) {
let [token0, token1] = this.utils.getLPTransfers(transfers);
if (transfers.length === 1 && transfers[0].info.mint == constants_1.TOKENS.SOL) {
token1 = transfers[0];
token0 = null;
}
return [token0, token1];
}
}
exports.MeteoraDAMMPoolParser = MeteoraDAMMPoolParser;
//# sourceMappingURL=liquidity-meteora-damm-v2.js.map