@okx-dex/okx-dex-sdk/dist/api/swap/solana/solana-instruction.js

OKX DEX SDK

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.SolanaInstructionExecutor = void 0;
const web3_js_1 = require("@solana/web3.js");
class SolanaInstructionExecutor {
    constructor(config, networkConfig) {
        this.config = config;
        this.networkConfig = networkConfig;
    }
    async executeInstructions(instrData) {
        var _a;
        if (!((_a = this.config.solana) === null || _a === void 0 ? void 0 : _a.wallet)) {
            throw new Error("Solana wallet configuration required");
        }
        const connection = this.config.solana.wallet.connection;
        // 获取最新区块信息
        const { blockhash, lastValidBlockHeight } = await connection.getLatestBlockhash("confirmed");
        // 拉取 ALT 账户
        const lookupTables = [];
        if (Array.isArray(instrData.addressLookupTableAccount)) {
            for (const addr of instrData.addressLookupTableAccount) {
                const { value } = await connection.getAddressLookupTable(new web3_js_1.PublicKey(addr));
                if (value)
                    lookupTables.push(value);
            }
        }
        // 构建指令
        const instructions = instrData.instructionLists.map((item) => {
            const programId = new web3_js_1.PublicKey(item.programId);
            const keys = (item.accounts || []).map((acc) => ({
                pubkey: new web3_js_1.PublicKey(acc.pubkey),
                isSigner: !!acc.isSigner,
                isWritable: !!acc.isWritable,
            }));
            const data = Buffer.from(item.data, "base64");
            return new web3_js_1.TransactionInstruction({ programId, keys, data });
        });
        // assemble v0
        const message = new web3_js_1.TransactionMessage({
            payerKey: this.config.solana.wallet.publicKey,
            recentBlockhash: blockhash,
            instructions,
        }).compileToV0Message(lookupTables);
        const vtx = new web3_js_1.VersionedTransaction(message);
        // 签名并发送
        const { signature } = await this.config.solana.wallet.signAndSendTransaction(vtx, {
            skipPreflight: false,
            maxRetries: this.networkConfig.maxRetries,
            preflightCommitment: "confirmed",
        });
        // 确认交易
        const confirmation = await connection.confirmTransaction({ signature, blockhash, lastValidBlockHeight }, "confirmed");
        if (confirmation.value.err) {
            throw new Error(`Transaction failed: ${JSON.stringify(confirmation.value.err)}`);
        }
        const router = instrData.routerResult;
        const fromDecimals = parseInt(router.fromToken.decimal);
        const toDecimals = parseInt(router.toToken.decimal);
        const displayFromAmount = (Number(router.fromTokenAmount) / Math.pow(10, fromDecimals)).toFixed(6);
        const displayToAmount = (Number(router.toTokenAmount) / Math.pow(10, toDecimals)).toFixed(6);
        return {
            success: true,
            transactionId: signature,
            explorerUrl: `${this.networkConfig.explorer}/${signature}`,
            details: {
                fromToken: {
                    symbol: router.fromToken.tokenSymbol,
                    amount: displayFromAmount,
                    decimal: router.fromToken.decimal,
                },
                toToken: {
                    symbol: router.toToken.tokenSymbol,
                    amount: displayToAmount,
                    decimal: router.toToken.decimal,
                },
                priceImpact: router.priceImpactPercent,
            },
        };
    }
}
exports.SolanaInstructionExecutor = SolanaInstructionExecutor;