import type { Address } from '@solana/addresses'; import type { AccountInfoBase, AccountInfoWithBase64EncodedData, AccountInfoWithBase64EncodedZStdCompressedData, AccountInfoWithJsonData, Base58EncodedBytes, Base64EncodedDataResponse, Commitment, Lamports, Slot, SolanaRpcResponse, TokenBalance, TransactionError, TransactionForFullMetaInnerInstructionsParsed, TransactionForFullMetaInnerInstructionsUnparsed, } from '@solana/rpc-types'; import type { Base64EncodedWireTransaction, TransactionBlockhashLifetime } from '@solana/transactions'; type SimulateTransactionConfigBase = Readonly<{ /** * Simulate the transaction as of the highest slot that has reached this level of commitment. * * @defaultValue Whichever default is applied by the underlying {@link RpcApi} in use. For * example, when using an API created by a `createSolanaRpc*()` helper, the default commitment * is `"confirmed"` unless configured otherwise. Unmitigated by an API layer on the client, the * default commitment applied by the server is `"finalized"`. */ commitment?: Commitment; /** * If `true` the response will include inner instructions. These inner instructions will be * `jsonParsed` where possible, otherwise `json`. * @defaultValue false */ innerInstructions?: boolean; /** * Prevents accessing stale data by enforcing that the RPC node has processed transactions up to * this slot */ minContextSlot?: Slot; }>; // Both are optional booleans, but conflict - so cannot both be true type SigVerifyAndReplaceRecentBlockhashConfig = TReplaceBlockhash extends true ? Readonly<{ /** if `true` the transaction recent blockhash will be replaced with the most recent blockhash. (conflicts with `sigVerify`) */ replaceRecentBlockhash: true; /** if `true` the transaction signatures will be verified (conflicts with `replaceRecentBlockhash`) */ sigVerify?: false; }> : | Readonly<{ /** if `true` the transaction recent blockhash will be replaced with the most recent blockhash. (conflicts with `sigVerify`) */ replaceRecentBlockhash?: boolean; /** if `true` the transaction signatures will be verified (conflicts with `replaceRecentBlockhash`) */ sigVerify?: false; }> | Readonly<{ /** if `true` the transaction recent blockhash will be replaced with the most recent blockhash. (conflicts with `sigVerify`) */ replaceRecentBlockhash?: false; /** if `true` the transaction signatures will be verified (conflicts with `replaceRecentBlockhash`) */ sigVerify: true; }>; type AccountsConfigWithBase64EncodingZstdCompression = Readonly<{ accounts: { /** An `array` of accounts to return */ addresses: readonly Address[]; /** Encoding for returned Account data */ encoding: 'base64+zstd'; }; }>; type AccountsConfigWithJsonParsedEncoding = Readonly<{ accounts: { /** An `array` of accounts to return */ addresses: readonly Address[]; /** Encoding for returned Account data */ encoding: 'jsonParsed'; }; }>; type AccountsConfigWithBase64Encoding = Readonly<{ accounts: { /** An `array` of accounts to return */ addresses: readonly Address[]; // Optional because this is the default encoding /** Encoding for returned Account data */ encoding?: 'base64'; }; }>; type WithInnerInstructionsConfig = Readonly<{ innerInstructions: true; }>; type SimulateTransactionApiResponseBase = Readonly<{ /** If the transaction failed, this property will contain the error */ err: TransactionError | null; /** The fee the transaction would have paid */ fee: Lamports | null; /** The number of bytes of all accounts loaded by this transaction */ loadedAccountsDataSize?: number; /** Addresses loaded from address lookup tables */ loadedAddresses: Readonly<{ readonly: readonly Address[]; writable: readonly Address[]; }> | null; /** * Array of log messages the transaction instructions output during execution, `null` if * simulation failed before the transaction was able to execute (for example due to an invalid * blockhash or signature verification failure) */ logs: string[] | null; /** Lamport balances for each account after the transaction would have been processed */ postBalances: readonly Lamports[] | null; /** Token balances for each token account after the transaction would have been processed */ postTokenBalances: readonly TokenBalance[] | null; /** Lamport balances for each account before the transaction was processed */ preBalances: readonly Lamports[] | null; /** Token balances for each token account before the transaction was processed */ preTokenBalances: readonly TokenBalance[] | null; /** * The blockhash and last valid block height used to simulate the transaction. This is `null` * unless `replaceRecentBlockhash` was `true`, in which case it contains the blockhash that the * transaction's recent blockhash was replaced with. */ replacementBlockhash: TransactionBlockhashLifetime | null; /** The most-recent return data generated by an instruction in the transaction */ returnData: Readonly<{ /** The return data itself, as base-64 encoded binary data */ data: Base64EncodedDataResponse; /** The program that generated the return data */ programId: Address; }> | null; /** The number of compute budget units consumed during the processing of this transaction */ unitsConsumed?: bigint; }>; type SimulateTransactionApiResponseWithAccounts = Readonly<{ /** Array of accounts with the same length as the `accounts.addresses` array in the request */ accounts: (T | null)[]; }>; type SimulateTransactionApiResponseWithInnerInstructions = Readonly< TransactionForFullMetaInnerInstructionsParsed | TransactionForFullMetaInnerInstructionsUnparsed >; type SimulateTransactionApiResponseWithReplacementBlockhash = Readonly<{ /** * The blockhash that the transaction's recent blockhash was replaced with, along with the last * block height at which it is valid. Because `replaceRecentBlockhash` was `true`, this narrows * the base response's `replacementBlockhash` to a non-`null` value. */ replacementBlockhash: TransactionBlockhashLifetime; }>; export type SimulateTransactionApi = { /** @deprecated Set `encoding` to `'base64'` when calling this method */ simulateTransaction( base58EncodedWireTransaction: Base58EncodedBytes, config: AccountsConfigWithBase64Encoding & SigVerifyAndReplaceRecentBlockhashConfig & SimulateTransactionConfigBase & WithInnerInstructionsConfig, ): SolanaRpcResponse< SimulateTransactionApiResponseBase & SimulateTransactionApiResponseWithAccounts & SimulateTransactionApiResponseWithInnerInstructions & SimulateTransactionApiResponseWithReplacementBlockhash >; /** @deprecated Set `encoding` to `'base64'` when calling this method */ simulateTransaction( base58EncodedWireTransaction: Base58EncodedBytes, config: AccountsConfigWithBase64Encoding & SigVerifyAndReplaceRecentBlockhashConfig & SimulateTransactionConfigBase, ): SolanaRpcResponse< SimulateTransactionApiResponseBase & SimulateTransactionApiResponseWithAccounts & SimulateTransactionApiResponseWithReplacementBlockhash >; /** @deprecated Set `encoding` to `'base64'` when calling this method */ simulateTransaction( base58EncodedWireTransaction: Base58EncodedBytes, config: AccountsConfigWithBase64EncodingZstdCompression & SigVerifyAndReplaceRecentBlockhashConfig & SimulateTransactionConfigBase & WithInnerInstructionsConfig, ): SolanaRpcResponse< SimulateTransactionApiResponseBase & SimulateTransactionApiResponseWithAccounts< AccountInfoBase & AccountInfoWithBase64EncodedZStdCompressedData > & SimulateTransactionApiResponseWithInnerInstructions & SimulateTransactionApiResponseWithReplacementBlockhash >; /** @deprecated Set `encoding` to `'base64'` when calling this method */ simulateTransaction( base58EncodedWireTransaction: Base58EncodedBytes, config: AccountsConfigWithBase64EncodingZstdCompression & SigVerifyAndReplaceRecentBlockhashConfig & SimulateTransactionConfigBase, ): SolanaRpcResponse< SimulateTransactionApiResponseBase & SimulateTransactionApiResponseWithAccounts< AccountInfoBase & AccountInfoWithBase64EncodedZStdCompressedData > & SimulateTransactionApiResponseWithReplacementBlockhash >; /** @deprecated Set `encoding` to `'base64'` when calling this method */ simulateTransaction( base58EncodedWireTransaction: Base58EncodedBytes, config: AccountsConfigWithJsonParsedEncoding & SigVerifyAndReplaceRecentBlockhashConfig & SimulateTransactionConfigBase, ): SolanaRpcResponse< SimulateTransactionApiResponseBase & SimulateTransactionApiResponseWithAccounts & SimulateTransactionApiResponseWithReplacementBlockhash >; /** @deprecated Set `encoding` to `'base64'` when calling this method */ simulateTransaction( base58EncodedWireTransaction: Base58EncodedBytes, config?: SigVerifyAndReplaceRecentBlockhashConfig & SimulateTransactionConfigBase & WithInnerInstructionsConfig, ): SolanaRpcResponse< Readonly<{ readonly accounts: null }> & SimulateTransactionApiResponseBase & SimulateTransactionApiResponseWithInnerInstructions & SimulateTransactionApiResponseWithReplacementBlockhash >; /** @deprecated Set `encoding` to `'base64'` when calling this method */ simulateTransaction( base58EncodedWireTransaction: Base58EncodedBytes, config?: SigVerifyAndReplaceRecentBlockhashConfig & SimulateTransactionConfigBase, ): SolanaRpcResponse< Readonly<{ readonly accounts: null }> & SimulateTransactionApiResponseBase & SimulateTransactionApiResponseWithReplacementBlockhash >; /** * Simulate sending a transaction, fetch a list of accounts in their post-simulation state, * obtain the list of inner instructions run, if any, and replace the transaction's blockhash * with the most recent one. * * If the listed accounts have data, it will be returned in the response as a tuple whose first * element is a base64-encoded string. * * The replacement blockhash and the blockheight until which it is valid will be returned in the * response. * * @param base64EncodedWireTransaction A fully signed transaction in wire format, as a base-64 * encoded string. Use {@link getBase64EncodedWireTransaction} to obtain this. * * {@label accounts-base64--with-inner-instructions--with-replacement-blockhash} * @see https://solana.com/docs/rpc/http/simulatetransaction */ simulateTransaction( base64EncodedWireTransaction: Base64EncodedWireTransaction, config: AccountsConfigWithBase64Encoding & SigVerifyAndReplaceRecentBlockhashConfig & SimulateTransactionConfigBase & WithInnerInstructionsConfig & { encoding: 'base64' }, ): SolanaRpcResponse< SimulateTransactionApiResponseBase & SimulateTransactionApiResponseWithAccounts & SimulateTransactionApiResponseWithInnerInstructions & SimulateTransactionApiResponseWithReplacementBlockhash >; /** * Simulate sending a transaction, fetch a list of accounts in their post-simulation state, and * replace the transaction's blockhash with the most recent one. * * If the listed accounts have data, it will be returned in the response as a tuple whose first * element is a base64-encoded string. * * The replacement blockhash and the blockheight until which it is valid will be returned in the * response. * * @param base64EncodedWireTransaction A fully signed transaction in wire format, as a base-64 * encoded string. Use {@link getBase64EncodedWireTransaction} to obtain this. * * {@label accounts-base64--no-inner-instructions--with-replacement-blockhash} * @see https://solana.com/docs/rpc/http/simulatetransaction */ simulateTransaction( base64EncodedWireTransaction: Base64EncodedWireTransaction, config: AccountsConfigWithBase64Encoding & SigVerifyAndReplaceRecentBlockhashConfig & SimulateTransactionConfigBase & { encoding: 'base64' }, ): SolanaRpcResponse< SimulateTransactionApiResponseBase & SimulateTransactionApiResponseWithAccounts & SimulateTransactionApiResponseWithReplacementBlockhash >; /** * Simulate sending a transaction, fetch a list of accounts in their post-simulation state, * obtain the list of inner instructions run, if any, and replace the transaction's blockhash * with the most recent one. * * If the listed accounts have data, it will first be compressed using * [ZStandard](https://facebook.github.io/zstd/) and the result will be returned in the response * as a tuple whose first element is a base64-encoded string. * * The replacement blockhash and the blockheight until which it is valid will be returned in the * response. * * @param base64EncodedWireTransaction A fully signed transaction in wire format, as a base-64 * encoded string. Use {@link getBase64EncodedWireTransaction} to obtain this. * * {@label accounts-base64-zstd-compressed--with-inner-instructions--with-replacement-blockhash} * @see https://solana.com/docs/rpc/http/simulatetransaction */ simulateTransaction( base64EncodedWireTransaction: Base64EncodedWireTransaction, config: AccountsConfigWithBase64EncodingZstdCompression & SigVerifyAndReplaceRecentBlockhashConfig & SimulateTransactionConfigBase & WithInnerInstructionsConfig & { encoding: 'base64' }, ): SolanaRpcResponse< SimulateTransactionApiResponseBase & SimulateTransactionApiResponseWithAccounts< AccountInfoBase & AccountInfoWithBase64EncodedZStdCompressedData > & SimulateTransactionApiResponseWithInnerInstructions & SimulateTransactionApiResponseWithReplacementBlockhash >; /** * Simulate sending a transaction, fetch a list of accounts in their post-simulation state, and * replace the transaction's blockhash with the most recent one. * * If the listed accounts have data, it will first be compressed using * [ZStandard](https://facebook.github.io/zstd/) and the result will be returned in the response * as a tuple whose first element is a base64-encoded string. * * The replacement blockhash and the blockheight until which it is valid will be returned in the * response. * * @param base64EncodedWireTransaction A fully signed transaction in wire format, as a base-64 * encoded string. Use {@link getBase64EncodedWireTransaction} to obtain this. * * {@label accounts-base64-zstd-compressed--no-inner-instructions--with-replacement-blockhash} * @see https://solana.com/docs/rpc/http/simulatetransaction */ simulateTransaction( base64EncodedWireTransaction: Base64EncodedWireTransaction, config: AccountsConfigWithBase64EncodingZstdCompression & SigVerifyAndReplaceRecentBlockhashConfig & SimulateTransactionConfigBase & { encoding: 'base64' }, ): SolanaRpcResponse< SimulateTransactionApiResponseBase & SimulateTransactionApiResponseWithAccounts< AccountInfoBase & AccountInfoWithBase64EncodedZStdCompressedData > & SimulateTransactionApiResponseWithReplacementBlockhash >; /** * Simulate sending a transaction, fetch a list of accounts in their post-simulation state, * obtain the list of inner instructions run, if any, and replace the transaction's blockhash * with the most recent one. * * If the listed accounts have data, the server will attempt to process it using a parser * specific to each account's owning program. If successful, the parsed data will be returned in * the response as JSON. Otherwise, the raw account data will be returned in the response as a * tuple whose first element is a base64-encoded string. * * The replacement blockhash and the blockheight until which it is valid will be returned in the * response. * * @param base64EncodedWireTransaction A fully signed transaction in wire format, as a base-64 * encoded string. Use {@link getBase64EncodedWireTransaction} to obtain this. * * {@label accounts-parsed--with-inner-instructions--with-replacement-blockhash} * @see https://solana.com/docs/rpc/http/simulatetransaction */ simulateTransaction( base64EncodedWireTransaction: Base64EncodedWireTransaction, config: AccountsConfigWithJsonParsedEncoding & SigVerifyAndReplaceRecentBlockhashConfig & SimulateTransactionConfigBase & WithInnerInstructionsConfig & { encoding: 'base64' }, ): SolanaRpcResponse< SimulateTransactionApiResponseBase & SimulateTransactionApiResponseWithAccounts & SimulateTransactionApiResponseWithInnerInstructions & SimulateTransactionApiResponseWithReplacementBlockhash >; /** * Simulate sending a transaction, fetch a list of accounts in their post-simulation state, and * replace the transaction's blockhash with the most recent one. * * If the listed accounts have data, the server will attempt to process it using a parser * specific to each account's owning program. If successful, the parsed data will be returned in * the response as JSON. Otherwise, the raw account data will be returned in the response as a * tuple whose first element is a base64-encoded string. * * The replacement blockhash and the blockheight until which it is valid will be returned in the * response. * * @param base64EncodedWireTransaction A fully signed transaction in wire format, as a base-64 * encoded string. Use {@link getBase64EncodedWireTransaction} to obtain this. * * {@label accounts-parsed--no-inner-instructions--with-replacement-blockhash} * @see https://solana.com/docs/rpc/http/simulatetransaction */ simulateTransaction( base64EncodedWireTransaction: Base64EncodedWireTransaction, config: AccountsConfigWithJsonParsedEncoding & SigVerifyAndReplaceRecentBlockhashConfig & SimulateTransactionConfigBase & { encoding: 'base64' }, ): SolanaRpcResponse< SimulateTransactionApiResponseBase & SimulateTransactionApiResponseWithAccounts & SimulateTransactionApiResponseWithReplacementBlockhash >; /** * Simulate sending a transaction, obtain the list of inner instructions run, if any, and * replace the transaction's blockhash with the most recent one. * * The replacement blockhash and the blockheight until which it is valid will be returned in the * response. * * @param base64EncodedWireTransaction A fully signed transaction in wire format, as a base-64 * encoded string. Use {@link getBase64EncodedWireTransaction} to obtain this. * * {@label no-accounts--with-inner-instructions--with-replacement-blockhash} * @see https://solana.com/docs/rpc/http/simulatetransaction */ simulateTransaction( base64EncodedWireTransaction: Base64EncodedWireTransaction, config: SigVerifyAndReplaceRecentBlockhashConfig & SimulateTransactionConfigBase & WithInnerInstructionsConfig & { encoding: 'base64' }, ): SolanaRpcResponse< Readonly<{ readonly accounts: null }> & SimulateTransactionApiResponseBase & SimulateTransactionApiResponseWithInnerInstructions & SimulateTransactionApiResponseWithReplacementBlockhash >; /** * Simulate sending a transaction, and replace the transaction's blockhash with the most recent * one. * * The replacement blockhash and the blockheight until which it is valid will be returned in the * response. * * @param base64EncodedWireTransaction A fully signed transaction in wire format, as a base-64 * encoded string. Use {@link getBase64EncodedWireTransaction} to obtain this. * * {@label no-accounts--no-inner-instructions--with-replacement-blockhash} * @see https://solana.com/docs/rpc/http/simulatetransaction */ simulateTransaction( base64EncodedWireTransaction: Base64EncodedWireTransaction, config: SigVerifyAndReplaceRecentBlockhashConfig & SimulateTransactionConfigBase & { encoding: 'base64' }, ): SolanaRpcResponse< Readonly<{ readonly accounts: null }> & SimulateTransactionApiResponseBase & SimulateTransactionApiResponseWithReplacementBlockhash >; /** @deprecated Set `encoding` to `'base64'` when calling this method */ simulateTransaction( base58EncodedWireTransaction: Base58EncodedBytes, config: AccountsConfigWithBase64Encoding & SigVerifyAndReplaceRecentBlockhashConfig & SimulateTransactionConfigBase & WithInnerInstructionsConfig, ): SolanaRpcResponse< SimulateTransactionApiResponseBase & SimulateTransactionApiResponseWithAccounts & SimulateTransactionApiResponseWithInnerInstructions >; /** @deprecated Set `encoding` to `'base64'` when calling this method */ simulateTransaction( base58EncodedWireTransaction: Base58EncodedBytes, config: AccountsConfigWithBase64Encoding & SigVerifyAndReplaceRecentBlockhashConfig & SimulateTransactionConfigBase, ): SolanaRpcResponse< SimulateTransactionApiResponseBase & SimulateTransactionApiResponseWithAccounts >; /** @deprecated Set `encoding` to `'base64'` when calling this method */ simulateTransaction( base58EncodedWireTransaction: Base58EncodedBytes, config: AccountsConfigWithBase64EncodingZstdCompression & SigVerifyAndReplaceRecentBlockhashConfig & SimulateTransactionConfigBase & WithInnerInstructionsConfig, ): SolanaRpcResponse< SimulateTransactionApiResponseBase & SimulateTransactionApiResponseWithAccounts< AccountInfoBase & AccountInfoWithBase64EncodedZStdCompressedData > & SimulateTransactionApiResponseWithInnerInstructions >; /** @deprecated Set `encoding` to `'base64'` when calling this method */ simulateTransaction( base58EncodedWireTransaction: Base58EncodedBytes, config: AccountsConfigWithBase64EncodingZstdCompression & SigVerifyAndReplaceRecentBlockhashConfig & SimulateTransactionConfigBase, ): SolanaRpcResponse< SimulateTransactionApiResponseBase & SimulateTransactionApiResponseWithAccounts >; /** @deprecated Set `encoding` to `'base64'` when calling this method */ simulateTransaction( base58EncodedWireTransaction: Base58EncodedBytes, config: AccountsConfigWithJsonParsedEncoding & SigVerifyAndReplaceRecentBlockhashConfig & SimulateTransactionConfigBase & WithInnerInstructionsConfig, ): SolanaRpcResponse< SimulateTransactionApiResponseBase & SimulateTransactionApiResponseWithAccounts & SimulateTransactionApiResponseWithInnerInstructions >; /** @deprecated Set `encoding` to `'base64'` when calling this method */ simulateTransaction( base58EncodedWireTransaction: Base58EncodedBytes, config: AccountsConfigWithJsonParsedEncoding & SigVerifyAndReplaceRecentBlockhashConfig & SimulateTransactionConfigBase, ): SolanaRpcResponse< SimulateTransactionApiResponseBase & SimulateTransactionApiResponseWithAccounts >; /** @deprecated Set `encoding` to `'base64'` when calling this method */ simulateTransaction( base58EncodedWireTransaction: Base58EncodedBytes, config?: SigVerifyAndReplaceRecentBlockhashConfig & SimulateTransactionConfigBase & WithInnerInstructionsConfig, ): SolanaRpcResponse< Readonly<{ readonly accounts: null }> & SimulateTransactionApiResponseBase & SimulateTransactionApiResponseWithInnerInstructions >; /** @deprecated Set `encoding` to `'base64'` when calling this method */ simulateTransaction( base58EncodedWireTransaction: Base58EncodedBytes, config?: SigVerifyAndReplaceRecentBlockhashConfig & SimulateTransactionConfigBase, ): SolanaRpcResponse & SimulateTransactionApiResponseBase>; /** * Simulate sending a transaction, fetch a list of accounts in their post-simulation state, and * obtain the list of inner instructions run, if any. * * If the listed accounts have data, it will be returned in the response as a tuple whose first * element is a base64-encoded string. * * @param base64EncodedWireTransaction A fully signed transaction in wire format, as a base-64 * encoded string. Use {@link getBase64EncodedWireTransaction} to obtain this. * * {@label accounts-base64--with-inner-instructions} * @see https://solana.com/docs/rpc/http/simulatetransaction */ simulateTransaction( base64EncodedWireTransaction: Base64EncodedWireTransaction, config: AccountsConfigWithBase64Encoding & SigVerifyAndReplaceRecentBlockhashConfig & SimulateTransactionConfigBase & WithInnerInstructionsConfig & { encoding: 'base64' }, ): SolanaRpcResponse< SimulateTransactionApiResponseBase & SimulateTransactionApiResponseWithAccounts & SimulateTransactionApiResponseWithInnerInstructions >; /** * Simulate sending a transaction, fetch a list of accounts in their post-simulation state. * * If the listed accounts have data, it will be returned in the response as a tuple whose first * element is a base64-encoded string. * * @param base64EncodedWireTransaction A fully signed transaction in wire format, as a base-64 * encoded string. Use {@link getBase64EncodedWireTransaction} to obtain this. * * {@label accounts-base64--no-inner-instructions} * @see https://solana.com/docs/rpc/http/simulatetransaction */ simulateTransaction( base64EncodedWireTransaction: Base64EncodedWireTransaction, config: AccountsConfigWithBase64Encoding & SigVerifyAndReplaceRecentBlockhashConfig & SimulateTransactionConfigBase & { encoding: 'base64' }, ): SolanaRpcResponse< SimulateTransactionApiResponseBase & SimulateTransactionApiResponseWithAccounts >; /** * Simulate sending a transaction, fetch a list of accounts in their post-simulation state, and * obtain the list of inner instructions run, if any. * * If the listed accounts have data, it will first be compressed using * [ZStandard](https://facebook.github.io/zstd/) and the result will be returned in the response * as a tuple whose first element is a base64-encoded string. * * @param base64EncodedWireTransaction A fully signed transaction in wire format, as a base-64 * encoded string. Use {@link getBase64EncodedWireTransaction} to obtain this. * * {@label accounts-base64-zstd-compressed--with-inner-instructions} * @see https://solana.com/docs/rpc/http/simulatetransaction */ simulateTransaction( base64EncodedWireTransaction: Base64EncodedWireTransaction, config: AccountsConfigWithBase64EncodingZstdCompression & SigVerifyAndReplaceRecentBlockhashConfig & SimulateTransactionConfigBase & WithInnerInstructionsConfig & { encoding: 'base64' }, ): SolanaRpcResponse< SimulateTransactionApiResponseBase & SimulateTransactionApiResponseWithAccounts< AccountInfoBase & AccountInfoWithBase64EncodedZStdCompressedData > & SimulateTransactionApiResponseWithInnerInstructions >; /** * Simulate sending a transaction, fetch a list of accounts in their post-simulation state. * * If the listed accounts have data, it will first be compressed using * [ZStandard](https://facebook.github.io/zstd/) and the result will be returned in the response * as a tuple whose first element is a base64-encoded string. * * @param base64EncodedWireTransaction A fully signed transaction in wire format, as a base-64 * encoded string. Use {@link getBase64EncodedWireTransaction} to obtain this. * * {@label accounts-base64-zstd-compressed--no-inner-instructions} * @see https://solana.com/docs/rpc/http/simulatetransaction */ simulateTransaction( base64EncodedWireTransaction: Base64EncodedWireTransaction, config: AccountsConfigWithBase64EncodingZstdCompression & SigVerifyAndReplaceRecentBlockhashConfig & SimulateTransactionConfigBase & { encoding: 'base64' }, ): SolanaRpcResponse< SimulateTransactionApiResponseBase & SimulateTransactionApiResponseWithAccounts >; /** * Simulate sending a transaction, fetch a list of accounts in their post-simulation state, and * obtain the list of inner instructions run, if any. * * If the listed accounts have data, the server will attempt to process it using a parser * specific to each account's owning program. If successful, the parsed data will be returned in * the response as JSON. Otherwise, the raw account data will be returned in the response as a * tuple whose first element is a base64-encoded string. * * @param base64EncodedWireTransaction A fully signed transaction in wire format, as a base-64 * encoded string. Use {@link getBase64EncodedWireTransaction} to obtain this. * * {@label accounts-parsed--with-inner-instructions} * @see https://solana.com/docs/rpc/http/simulatetransaction */ simulateTransaction( base64EncodedWireTransaction: Base64EncodedWireTransaction, config: AccountsConfigWithJsonParsedEncoding & SigVerifyAndReplaceRecentBlockhashConfig & SimulateTransactionConfigBase & WithInnerInstructionsConfig & { encoding: 'base64' }, ): SolanaRpcResponse< SimulateTransactionApiResponseBase & SimulateTransactionApiResponseWithAccounts & SimulateTransactionApiResponseWithInnerInstructions >; /** * Simulate sending a transaction, fetch a list of accounts in their post-simulation state. * * If the listed accounts have data, the server will attempt to process it using a parser * specific to each account's owning program. If successful, the parsed data will be returned in * the response as JSON. Otherwise, the raw account data will be returned in the response as a * tuple whose first element is a base64-encoded string. * * @param base64EncodedWireTransaction A fully signed transaction in wire format, as a base-64 * encoded string. Use {@link getBase64EncodedWireTransaction} to obtain this. * * {@label accounts-parsed--no-inner-instructions} * @see https://solana.com/docs/rpc/http/simulatetransaction */ simulateTransaction( base64EncodedWireTransaction: Base64EncodedWireTransaction, config: AccountsConfigWithJsonParsedEncoding & SigVerifyAndReplaceRecentBlockhashConfig & SimulateTransactionConfigBase & { encoding: 'base64' }, ): SolanaRpcResponse< SimulateTransactionApiResponseBase & SimulateTransactionApiResponseWithAccounts >; /** * Simulate sending a transaction, and obtain the list of inner instructions run, if any. * * @param base64EncodedWireTransaction A fully signed transaction in wire format, as a base-64 * encoded string. Use {@link getBase64EncodedWireTransaction} to obtain this. * * {@label no-accounts--with-inner-instructions} * @see https://solana.com/docs/rpc/http/simulatetransaction */ simulateTransaction( base64EncodedWireTransaction: Base64EncodedWireTransaction, config: SigVerifyAndReplaceRecentBlockhashConfig & SimulateTransactionConfigBase & WithInnerInstructionsConfig & { encoding: 'base64' }, ): SolanaRpcResponse< Readonly<{ readonly accounts: null }> & SimulateTransactionApiResponseBase & SimulateTransactionApiResponseWithInnerInstructions >; /** * Simulate sending a transaction. * * @param base64EncodedWireTransaction A fully signed transaction in wire format, as a base-64 * encoded string. Use {@link getBase64EncodedWireTransaction} to obtain this. * * {@label no-accounts--no-inner-instructions} * @see https://solana.com/docs/rpc/http/simulatetransaction */ simulateTransaction( base64EncodedWireTransaction: Base64EncodedWireTransaction, config: SigVerifyAndReplaceRecentBlockhashConfig & SimulateTransactionConfigBase & { encoding: 'base64' }, ): SolanaRpcResponse & SimulateTransactionApiResponseBase>; };