pumpdotfun-sdk-sp
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A simple SDK for interacting with pumpdotfun
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{"version":3,"file":"util.mjs","sources":["../../../src/util.ts"],"sourcesContent":["import {\n Commitment,\n ComputeBudgetProgram,\n Connection,\n Finality,\n Keypair,\n PublicKey,\n SendTransactionError,\n Transaction,\n TransactionMessage,\n VersionedTransaction,\n VersionedTransactionResponse,\n} from \"@solana/web3.js\";\nimport { PriorityFee, TransactionResult } from \"./types.js\";\n\nexport const DEFAULT_COMMITMENT: Commitment = \"finalized\";\nexport const DEFAULT_FINALITY: Finality = \"finalized\";\n\nexport const calculateWithSlippageBuy = (\n amount: bigint,\n basisPoints: bigint\n) => {\n return amount + (amount * basisPoints) / 10000n;\n};\n\nexport const calculateWithSlippageSell = (\n amount: bigint,\n basisPoints: bigint\n) => {\n return amount - (amount * basisPoints) / 10000n;\n};\n\nexport async function sendTx(\n connection: Connection,\n tx: Transaction,\n payer: PublicKey,\n signers: Keypair[],\n priorityFees?: PriorityFee,\n commitment: Commitment = DEFAULT_COMMITMENT,\n finality: Finality = DEFAULT_FINALITY\n): Promise<TransactionResult> {\n let newTx = new Transaction();\n\n if (priorityFees) {\n const modifyComputeUnits = ComputeBudgetProgram.setComputeUnitLimit({\n units: priorityFees.unitLimit,\n });\n\n const addPriorityFee = ComputeBudgetProgram.setComputeUnitPrice({\n microLamports: priorityFees.unitPrice,\n });\n newTx.add(modifyComputeUnits);\n newTx.add(addPriorityFee);\n }\n\n newTx.add(tx);\n\n let versionedTx = await buildVersionedTx(connection, payer, newTx, commitment);\n versionedTx.sign(signers);\n\n try {\n const sig = await connection.sendTransaction(versionedTx, {\n skipPreflight: false,\n });\n console.log(\"sig:\", `https://solscan.io/tx/${sig}`);\n\n let txResult = await getTxDetails(connection, sig, commitment, finality);\n if (!txResult) {\n return {\n success: false,\n error: \"Transaction failed\",\n };\n }\n return {\n success: true,\n signature: sig,\n results: txResult,\n };\n } catch (e) {\n if (e instanceof SendTransactionError) {\n let ste = e as SendTransactionError;\n console.log(\"SendTransactionError\" + await ste.getLogs(connection));\n } else {\n console.error(e);\n }\n return {\n error: e,\n success: false,\n };\n }\n}\n\nexport const buildVersionedTx = async (\n connection: Connection,\n payer: PublicKey,\n tx: Transaction,\n commitment: Commitment = DEFAULT_COMMITMENT\n): Promise<VersionedTransaction> => {\n const blockHash = (await connection.getLatestBlockhash(commitment))\n .blockhash;\n\n let messageV0 = new TransactionMessage({\n payerKey: payer,\n recentBlockhash: blockHash,\n instructions: tx.instructions,\n }).compileToV0Message();\n\n return new VersionedTransaction(messageV0);\n};\n\nexport const getTxDetails = async (\n connection: Connection,\n sig: string,\n commitment: Commitment = DEFAULT_COMMITMENT,\n finality: Finality = DEFAULT_FINALITY\n): Promise<VersionedTransactionResponse | null> => {\n const latestBlockHash = await connection.getLatestBlockhash();\n await connection.confirmTransaction(\n {\n blockhash: latestBlockHash.blockhash,\n lastValidBlockHeight: latestBlockHash.lastValidBlockHeight,\n signature: sig,\n },\n commitment\n );\n\n return connection.getTransaction(sig, {\n maxSupportedTransactionVersion: 0,\n commitment: finality,\n 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