SimulateTransactionApi

type SimulateTransactionApi = object;

Methods

simulateTransaction()

Call Signature

simulateTransaction(base58EncodedWireTransaction, config): SolanaRpcResponse<SimulateTransactionApiResponseBase & SimulateTransactionApiResponseWithAccounts<AccountInfoBase & AccountInfoWithBase64EncodedData> & SimulateTransactionApiResponseWithInnerInstructions & SimulateTransactionApiResponseWithReplacementBlockhash>;

Parameters

Parameter	Type
`base58EncodedWireTransaction`	`Base58EncodedBytes`
`config`	`Readonly`<{ `accounts`: { `addresses`: readonly `Address`[]; `encoding?`: `"base64"`; }; }> & `Readonly`<{ `replaceRecentBlockhash`: `true`; `sigVerify?`: `false`; }> & `Readonly`<{ `commitment?`: `Commitment`; `innerInstructions?`: `boolean`; `minContextSlot?`: `Slot`; }> & `Readonly`<{ `innerInstructions`: `true`; }>

SolanaRpcResponse<SimulateTransactionApiResponseBase & SimulateTransactionApiResponseWithAccounts<AccountInfoBase & AccountInfoWithBase64EncodedData> & SimulateTransactionApiResponseWithInnerInstructions & SimulateTransactionApiResponseWithReplacementBlockhash>

Deprecated

Set encoding to 'base64' when calling this method

Call Signature

simulateTransaction(base58EncodedWireTransaction, config): SolanaRpcResponse<SimulateTransactionApiResponseBase & SimulateTransactionApiResponseWithAccounts<AccountInfoBase & AccountInfoWithBase64EncodedData> & SimulateTransactionApiResponseWithReplacementBlockhash>;

Parameters

Parameter	Type
`base58EncodedWireTransaction`	`Base58EncodedBytes`
`config`	`Readonly`<{ `accounts`: { `addresses`: readonly `Address`[]; `encoding?`: `"base64"`; }; }> & `Readonly`<{ `replaceRecentBlockhash`: `true`; `sigVerify?`: `false`; }> & `Readonly`<{ `commitment?`: `Commitment`; `innerInstructions?`: `boolean`; `minContextSlot?`: `Slot`; }>

Returns

Deprecated

Set encoding to 'base64' when calling this method

Call Signature

simulateTransaction(base58EncodedWireTransaction, config): SolanaRpcResponse<SimulateTransactionApiResponseBase & SimulateTransactionApiResponseWithAccounts<AccountInfoBase & AccountInfoWithBase64EncodedZStdCompressedData> & SimulateTransactionApiResponseWithInnerInstructions & SimulateTransactionApiResponseWithReplacementBlockhash>;

Parameters

Parameter	Type
`base58EncodedWireTransaction`	`Base58EncodedBytes`
`config`	`Readonly`<{ `accounts`: { `addresses`: readonly `Address`[]; `encoding`: `"base64+zstd"`; }; }> & `Readonly`<{ `replaceRecentBlockhash`: `true`; `sigVerify?`: `false`; }> & `Readonly`<{ `commitment?`: `Commitment`; `innerInstructions?`: `boolean`; `minContextSlot?`: `Slot`; }> & `Readonly`<{ `innerInstructions`: `true`; }>

Returns

SolanaRpcResponse<SimulateTransactionApiResponseBase & SimulateTransactionApiResponseWithAccounts<AccountInfoBase & AccountInfoWithBase64EncodedZStdCompressedData> & SimulateTransactionApiResponseWithInnerInstructions & SimulateTransactionApiResponseWithReplacementBlockhash>

Deprecated

Set encoding to 'base64' when calling this method

Call Signature

simulateTransaction(base58EncodedWireTransaction, config): SolanaRpcResponse<SimulateTransactionApiResponseBase & SimulateTransactionApiResponseWithAccounts<AccountInfoBase & AccountInfoWithBase64EncodedZStdCompressedData> & SimulateTransactionApiResponseWithReplacementBlockhash>;

Parameters

Parameter	Type
`base58EncodedWireTransaction`	`Base58EncodedBytes`
`config`	`Readonly`<{ `accounts`: { `addresses`: readonly `Address`[]; `encoding`: `"base64+zstd"`; }; }> & `Readonly`<{ `replaceRecentBlockhash`: `true`; `sigVerify?`: `false`; }> & `Readonly`<{ `commitment?`: `Commitment`; `innerInstructions?`: `boolean`; `minContextSlot?`: `Slot`; }>

Returns

Deprecated

Set encoding to 'base64' when calling this method

Call Signature

simulateTransaction(base58EncodedWireTransaction, config): SolanaRpcResponse<SimulateTransactionApiResponseBase & SimulateTransactionApiResponseWithAccounts<AccountInfoBase & AccountInfoWithJsonData> & SimulateTransactionApiResponseWithReplacementBlockhash>;

Parameters

Parameter	Type
`base58EncodedWireTransaction`	`Base58EncodedBytes`
`config`	`Readonly`<{ `accounts`: { `addresses`: readonly `Address`[]; `encoding`: `"jsonParsed"`; }; }> & `Readonly`<{ `replaceRecentBlockhash`: `true`; `sigVerify?`: `false`; }> & `Readonly`<{ `commitment?`: `Commitment`; `innerInstructions?`: `boolean`; `minContextSlot?`: `Slot`; }>

Returns

SolanaRpcResponse<SimulateTransactionApiResponseBase & SimulateTransactionApiResponseWithAccounts<AccountInfoBase & AccountInfoWithJsonData> & SimulateTransactionApiResponseWithReplacementBlockhash>

Deprecated

Set encoding to 'base64' when calling this method

Call Signature

simulateTransaction(base58EncodedWireTransaction, config?): SolanaRpcResponse<Readonly<{
  accounts: null;
}> & SimulateTransactionApiResponseBase & SimulateTransactionApiResponseWithInnerInstructions & SimulateTransactionApiResponseWithReplacementBlockhash>;

Parameters

Parameter	Type
`base58EncodedWireTransaction`	`Base58EncodedBytes`
`config?`	`Readonly`<{ `replaceRecentBlockhash`: `true`; `sigVerify?`: `false`; }> & `Readonly`<{ `commitment?`: `Commitment`; `innerInstructions?`: `boolean`; `minContextSlot?`: `Slot`; }> & `Readonly`<{ `innerInstructions`: `true`; }>

Returns

SolanaRpcResponse<Readonly<{ accounts: null; }> & SimulateTransactionApiResponseBase & SimulateTransactionApiResponseWithInnerInstructions & SimulateTransactionApiResponseWithReplacementBlockhash>

Deprecated

Set encoding to 'base64' when calling this method

Call Signature

simulateTransaction(base58EncodedWireTransaction, config?): SolanaRpcResponse<Readonly<{
  accounts: null;
}> & SimulateTransactionApiResponseBase & SimulateTransactionApiResponseWithReplacementBlockhash>;

Parameters

Parameter	Type
`base58EncodedWireTransaction`	`Base58EncodedBytes`
`config?`	`Readonly`<{ `replaceRecentBlockhash`: `true`; `sigVerify?`: `false`; }> & `Readonly`<{ `commitment?`: `Commitment`; `innerInstructions?`: `boolean`; `minContextSlot?`: `Slot`; }>

Returns

SolanaRpcResponse<Readonly<{ accounts: null; }> & SimulateTransactionApiResponseBase & SimulateTransactionApiResponseWithReplacementBlockhash>

Deprecated

Set encoding to 'base64' when calling this method

Call Signature

simulateTransaction(base64EncodedWireTransaction, config): SolanaRpcResponse<SimulateTransactionApiResponseBase & SimulateTransactionApiResponseWithAccounts<AccountInfoBase & AccountInfoWithBase64EncodedData> & SimulateTransactionApiResponseWithInnerInstructions & 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.

Parameters

Parameter	Type	Description
`base64EncodedWireTransaction`	`Base64EncodedWireTransaction`	A fully signed transaction in wire format, as a base-64 encoded string. Use getBase64EncodedWireTransaction to obtain this.
`config`	`Readonly`<{ `accounts`: { `addresses`: readonly `Address`[]; `encoding?`: `"base64"`; }; }> & `Readonly`<{ `replaceRecentBlockhash`: `true`; `sigVerify?`: `false`; }> & `Readonly`<{ `commitment?`: `Commitment`; `innerInstructions?`: `boolean`; `minContextSlot?`: `Slot`; }> & `Readonly`<{ `innerInstructions`: `true`; }> & `object`	-

Returns

See

https://solana.com/docs/rpc/http/simulatetransaction

Call Signature

simulateTransaction(base64EncodedWireTransaction, config): SolanaRpcResponse<SimulateTransactionApiResponseBase & SimulateTransactionApiResponseWithAccounts<AccountInfoBase & AccountInfoWithBase64EncodedData> & 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.

Parameters

Parameter	Type	Description
`base64EncodedWireTransaction`	`Base64EncodedWireTransaction`	A fully signed transaction in wire format, as a base-64 encoded string. Use getBase64EncodedWireTransaction to obtain this.
`config`	`Readonly`<{ `accounts`: { `addresses`: readonly `Address`[]; `encoding?`: `"base64"`; }; }> & `Readonly`<{ `replaceRecentBlockhash`: `true`; `sigVerify?`: `false`; }> & `Readonly`<{ `commitment?`: `Commitment`; `innerInstructions?`: `boolean`; `minContextSlot?`: `Slot`; }> & `object`	-

Returns

See

https://solana.com/docs/rpc/http/simulatetransaction

Call Signature

simulateTransaction(base64EncodedWireTransaction, config): SolanaRpcResponse<SimulateTransactionApiResponseBase & SimulateTransactionApiResponseWithAccounts<AccountInfoBase & AccountInfoWithBase64EncodedZStdCompressedData> & SimulateTransactionApiResponseWithInnerInstructions & SimulateTransactionApiResponseWithReplacementBlockhash>;

If the listed accounts have data, it will first be compressed using ZStandard 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.

Parameters

Parameter	Type	Description
`base64EncodedWireTransaction`	`Base64EncodedWireTransaction`	A fully signed transaction in wire format, as a base-64 encoded string. Use getBase64EncodedWireTransaction to obtain this.
`config`	`Readonly`<{ `accounts`: { `addresses`: readonly `Address`[]; `encoding`: `"base64+zstd"`; }; }> & `Readonly`<{ `replaceRecentBlockhash`: `true`; `sigVerify?`: `false`; }> & `Readonly`<{ `commitment?`: `Commitment`; `innerInstructions?`: `boolean`; `minContextSlot?`: `Slot`; }> & `Readonly`<{ `innerInstructions`: `true`; }> & `object`	-

Returns

See

https://solana.com/docs/rpc/http/simulatetransaction

Call Signature

simulateTransaction(base64EncodedWireTransaction, config): SolanaRpcResponse<SimulateTransactionApiResponseBase & SimulateTransactionApiResponseWithAccounts<AccountInfoBase & AccountInfoWithBase64EncodedZStdCompressedData> & 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 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.

Parameters

Parameter	Type	Description
`base64EncodedWireTransaction`	`Base64EncodedWireTransaction`	A fully signed transaction in wire format, as a base-64 encoded string. Use getBase64EncodedWireTransaction to obtain this.
`config`	`Readonly`<{ `accounts`: { `addresses`: readonly `Address`[]; `encoding`: `"base64+zstd"`; }; }> & `Readonly`<{ `replaceRecentBlockhash`: `true`; `sigVerify?`: `false`; }> & `Readonly`<{ `commitment?`: `Commitment`; `innerInstructions?`: `boolean`; `minContextSlot?`: `Slot`; }> & `object`	-

Returns

See

https://solana.com/docs/rpc/http/simulatetransaction

Call Signature

simulateTransaction(base64EncodedWireTransaction, config): SolanaRpcResponse<SimulateTransactionApiResponseBase & SimulateTransactionApiResponseWithAccounts<AccountInfoBase & AccountInfoWithJsonData> & SimulateTransactionApiResponseWithInnerInstructions & SimulateTransactionApiResponseWithReplacementBlockhash>;

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.

Parameters

Parameter	Type	Description
`base64EncodedWireTransaction`	`Base64EncodedWireTransaction`	A fully signed transaction in wire format, as a base-64 encoded string. Use getBase64EncodedWireTransaction to obtain this.
`config`	`Readonly`<{ `accounts`: { `addresses`: readonly `Address`[]; `encoding`: `"jsonParsed"`; }; }> & `Readonly`<{ `replaceRecentBlockhash`: `true`; `sigVerify?`: `false`; }> & `Readonly`<{ `commitment?`: `Commitment`; `innerInstructions?`: `boolean`; `minContextSlot?`: `Slot`; }> & `Readonly`<{ `innerInstructions`: `true`; }> & `object`	-

Returns

See

https://solana.com/docs/rpc/http/simulatetransaction

Call Signature

simulateTransaction(base64EncodedWireTransaction, config): SolanaRpcResponse<SimulateTransactionApiResponseBase & SimulateTransactionApiResponseWithAccounts<AccountInfoBase & AccountInfoWithJsonData> & 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.

The replacement blockhash and the blockheight until which it is valid will be returned in the response.

Parameters

Parameter	Type	Description
`base64EncodedWireTransaction`	`Base64EncodedWireTransaction`	A fully signed transaction in wire format, as a base-64 encoded string. Use getBase64EncodedWireTransaction to obtain this.
`config`	`Readonly`<{ `accounts`: { `addresses`: readonly `Address`[]; `encoding`: `"jsonParsed"`; }; }> & `Readonly`<{ `replaceRecentBlockhash`: `true`; `sigVerify?`: `false`; }> & `Readonly`<{ `commitment?`: `Commitment`; `innerInstructions?`: `boolean`; `minContextSlot?`: `Slot`; }> & `object`	-

Returns

See

https://solana.com/docs/rpc/http/simulatetransaction

Call Signature

simulateTransaction(base64EncodedWireTransaction, config): SolanaRpcResponse<Readonly<{
  accounts: null;
}> & SimulateTransactionApiResponseBase & SimulateTransactionApiResponseWithInnerInstructions & 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.

Parameters

Parameter	Type	Description
`base64EncodedWireTransaction`	`Base64EncodedWireTransaction`	A fully signed transaction in wire format, as a base-64 encoded string. Use getBase64EncodedWireTransaction to obtain this.
`config`	`Readonly`<{ `replaceRecentBlockhash`: `true`; `sigVerify?`: `false`; }> & `Readonly`<{ `commitment?`: `Commitment`; `innerInstructions?`: `boolean`; `minContextSlot?`: `Slot`; }> & `Readonly`<{ `innerInstructions`: `true`; }> & `object`	-

Returns

See

https://solana.com/docs/rpc/http/simulatetransaction

Call Signature

simulateTransaction(base64EncodedWireTransaction, config): SolanaRpcResponse<Readonly<{
  accounts: null;
}> & SimulateTransactionApiResponseBase & 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.

Parameters

Parameter	Type	Description
`base64EncodedWireTransaction`	`Base64EncodedWireTransaction`	A fully signed transaction in wire format, as a base-64 encoded string. Use getBase64EncodedWireTransaction to obtain this.
`config`	`Readonly`<{ `replaceRecentBlockhash`: `true`; `sigVerify?`: `false`; }> & `Readonly`<{ `commitment?`: `Commitment`; `innerInstructions?`: `boolean`; `minContextSlot?`: `Slot`; }> & `object`	-

Returns

SolanaRpcResponse<Readonly<{ accounts: null; }> & SimulateTransactionApiResponseBase & SimulateTransactionApiResponseWithReplacementBlockhash>

See

https://solana.com/docs/rpc/http/simulatetransaction

Call Signature

simulateTransaction(base58EncodedWireTransaction, config): SolanaRpcResponse<SimulateTransactionApiResponseBase & SimulateTransactionApiResponseWithAccounts<AccountInfoBase & AccountInfoWithBase64EncodedData> & SimulateTransactionApiResponseWithInnerInstructions>;

Parameters

Parameter	Type
`base58EncodedWireTransaction`	`Base58EncodedBytes`
`config`	Readonly<{ accounts: { addresses: readonly Address[]; encoding?: "base64" \| undefined; }; }> & (Readonly<{ replaceRecentBlockhash?: boolean \| undefined; sigVerify?: false \| undefined; }> \| Readonly<...>) & `Readonly`<{ `commitment?`: `Commitment`; `innerInstructions?`: `boolean`; `minContextSlot?`: `Slot`; }> & `Readonly`<{ `innerInstructions`: `true`; }>

Returns

Deprecated

Set encoding to 'base64' when calling this method

Call Signature

simulateTransaction(base58EncodedWireTransaction, config): SolanaRpcResponse<SimulateTransactionApiResponseBase & SimulateTransactionApiResponseWithAccounts<AccountInfoBase & AccountInfoWithBase64EncodedData>>;

Parameters

Parameter	Type
`base58EncodedWireTransaction`	`Base58EncodedBytes`
`config`	`Readonly`<{ `accounts`: { `addresses`: readonly `Address`[]; `encoding?`: `"base64"`; }; }> & (Readonly<{ replaceRecentBlockhash?: boolean \| undefined; sigVerify?: false \| undefined; }> \| Readonly<{ replaceRecentBlockhash?: false \| undefined; sigVerify: true; }>) & Readonly<...>

Returns

SolanaRpcResponse<SimulateTransactionApiResponseBase & SimulateTransactionApiResponseWithAccounts<AccountInfoBase & AccountInfoWithBase64EncodedData>>

Deprecated

Set encoding to 'base64' when calling this method

Call Signature

simulateTransaction(base58EncodedWireTransaction, config): SolanaRpcResponse<SimulateTransactionApiResponseBase & SimulateTransactionApiResponseWithAccounts<AccountInfoBase & AccountInfoWithBase64EncodedZStdCompressedData> & SimulateTransactionApiResponseWithInnerInstructions>;

Parameters

Parameter	Type
`base58EncodedWireTransaction`	`Base58EncodedBytes`
`config`	Readonly<{ accounts: { addresses: readonly Address[]; encoding: "base64+zstd"; }; }> & (Readonly<{ replaceRecentBlockhash?: boolean \| undefined; sigVerify?: false \| undefined; }> \| Readonly<...>) & `Readonly`<{ `commitment?`: `Commitment`; `innerInstructions?`: `boolean`; `minContextSlot?`: `Slot`; }> & `Readonly`<{ `innerInstructions`: `true`; }>

Returns

Deprecated

Set encoding to 'base64' when calling this method

Call Signature

simulateTransaction(base58EncodedWireTransaction, config): SolanaRpcResponse<SimulateTransactionApiResponseBase & SimulateTransactionApiResponseWithAccounts<AccountInfoBase & AccountInfoWithBase64EncodedZStdCompressedData>>;

Parameters

Parameter	Type
`base58EncodedWireTransaction`	`Base58EncodedBytes`
`config`	`Readonly`<{ `accounts`: { `addresses`: readonly `Address`[]; `encoding`: `"base64+zstd"`; }; }> & (Readonly<{ replaceRecentBlockhash?: boolean \| undefined; sigVerify?: false \| undefined; }> \| Readonly<{ replaceRecentBlockhash?: false \| undefined; sigVerify: true; }>) & Readonly<...>

Returns

SolanaRpcResponse<SimulateTransactionApiResponseBase & SimulateTransactionApiResponseWithAccounts<AccountInfoBase & AccountInfoWithBase64EncodedZStdCompressedData>>

Deprecated

Set encoding to 'base64' when calling this method

Call Signature

simulateTransaction(base58EncodedWireTransaction, config): SolanaRpcResponse<SimulateTransactionApiResponseBase & SimulateTransactionApiResponseWithAccounts<AccountInfoBase & AccountInfoWithJsonData> & SimulateTransactionApiResponseWithInnerInstructions>;

Parameters

Parameter	Type
`base58EncodedWireTransaction`	`Base58EncodedBytes`
`config`	Readonly<{ accounts: { addresses: readonly Address[]; encoding: "jsonParsed"; }; }> & (Readonly<{ replaceRecentBlockhash?: boolean \| undefined; sigVerify?: false \| undefined; }> \| Readonly<...>) & `Readonly`<{ `commitment?`: `Commitment`; `innerInstructions?`: `boolean`; `minContextSlot?`: `Slot`; }> & `Readonly`<{ `innerInstructions`: `true`; }>

Returns

Deprecated

Set encoding to 'base64' when calling this method

Call Signature

simulateTransaction(base58EncodedWireTransaction, config): SolanaRpcResponse<SimulateTransactionApiResponseBase & SimulateTransactionApiResponseWithAccounts<AccountInfoBase & AccountInfoWithJsonData>>;

Parameters

Parameter	Type
`base58EncodedWireTransaction`	`Base58EncodedBytes`
`config`	`Readonly`<{ `accounts`: { `addresses`: readonly `Address`[]; `encoding`: `"jsonParsed"`; }; }> & (Readonly<{ replaceRecentBlockhash?: boolean \| undefined; sigVerify?: false \| undefined; }> \| Readonly<{ replaceRecentBlockhash?: false \| undefined; sigVerify: true; }>) & Readonly<...>

Returns

SolanaRpcResponse<SimulateTransactionApiResponseBase & SimulateTransactionApiResponseWithAccounts<AccountInfoBase & AccountInfoWithJsonData>>

Deprecated

Set encoding to 'base64' when calling this method

Call Signature

simulateTransaction(base58EncodedWireTransaction, config?): SolanaRpcResponse<Readonly<{
  accounts: null;
}> & SimulateTransactionApiResponseBase & SimulateTransactionApiResponseWithInnerInstructions>;

Parameters

Parameter	Type
`base58EncodedWireTransaction`	`Base58EncodedBytes`
`config?`	(Readonly<{ replaceRecentBlockhash?: boolean \| undefined; sigVerify?: false \| undefined; }> \| Readonly<{ replaceRecentBlockhash?: false \| undefined; sigVerify: true; }>) & Readonly<...> & Readonly<...>

Returns

SolanaRpcResponse<Readonly<{ accounts: null; }> & SimulateTransactionApiResponseBase & SimulateTransactionApiResponseWithInnerInstructions>

Deprecated

Set encoding to 'base64' when calling this method

Call Signature

simulateTransaction(base58EncodedWireTransaction, config?): SolanaRpcResponse<Readonly<{
  accounts: null;
}> & SimulateTransactionApiResponseBase>;

Parameters

Parameter	Type
`base58EncodedWireTransaction`	`Base58EncodedBytes`
`config?`	(Readonly<{ replaceRecentBlockhash?: boolean \| undefined; sigVerify?: false \| undefined; }> \| Readonly<{ replaceRecentBlockhash?: false \| undefined; sigVerify: true; }>) & Readonly<...>

Returns

SolanaRpcResponse<Readonly<{ accounts: null; }> & SimulateTransactionApiResponseBase>

Deprecated

Set encoding to 'base64' when calling this method

Call Signature

simulateTransaction(base64EncodedWireTransaction, config): SolanaRpcResponse<SimulateTransactionApiResponseBase & SimulateTransactionApiResponseWithAccounts<AccountInfoBase & AccountInfoWithBase64EncodedData> & SimulateTransactionApiResponseWithInnerInstructions>;

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.

Parameters

Parameter	Type	Description
`base64EncodedWireTransaction`	`Base64EncodedWireTransaction`	A fully signed transaction in wire format, as a base-64 encoded string. Use getBase64EncodedWireTransaction to obtain this.
`config`	Readonly<{ accounts: { addresses: readonly Address[]; encoding?: "base64" \| undefined; }; }> & (Readonly<{ replaceRecentBlockhash?: boolean \| undefined; sigVerify?: false \| undefined; }> \| Readonly<...>) & `Readonly`<{ `commitment?`: `Commitment`; `innerInstructions?`: `boolean`; `minContextSlot?`: `Slot`; }> & `Readonly`<{ `innerInstructions`: `true`; }> & `object`	-

Returns

See

https://solana.com/docs/rpc/http/simulatetransaction

Call Signature

simulateTransaction(base64EncodedWireTransaction, config): SolanaRpcResponse<SimulateTransactionApiResponseBase & SimulateTransactionApiResponseWithAccounts<AccountInfoBase & AccountInfoWithBase64EncodedData>>;

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.

Parameters

Parameter	Type	Description
`base64EncodedWireTransaction`	`Base64EncodedWireTransaction`	A fully signed transaction in wire format, as a base-64 encoded string. Use getBase64EncodedWireTransaction to obtain this.
`config`	Readonly<{ accounts: { addresses: readonly Address[]; encoding?: "base64" \| undefined; }; }> & (Readonly<{ replaceRecentBlockhash?: boolean \| undefined; sigVerify?: false \| undefined; }> \| Readonly<...>) & `Readonly`<{ `commitment?`: `Commitment`; `innerInstructions?`: `boolean`; `minContextSlot?`: `Slot`; }> & `object`	-

Returns

SolanaRpcResponse<SimulateTransactionApiResponseBase & SimulateTransactionApiResponseWithAccounts<AccountInfoBase & AccountInfoWithBase64EncodedData>>

See

https://solana.com/docs/rpc/http/simulatetransaction

Call Signature

simulateTransaction(base64EncodedWireTransaction, config): SolanaRpcResponse<SimulateTransactionApiResponseBase & SimulateTransactionApiResponseWithAccounts<AccountInfoBase & AccountInfoWithBase64EncodedZStdCompressedData> & SimulateTransactionApiResponseWithInnerInstructions>;

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 and the result will be returned in the response as a tuple whose first element is a base64-encoded string.

Parameters

Parameter	Type	Description
`base64EncodedWireTransaction`	`Base64EncodedWireTransaction`	A fully signed transaction in wire format, as a base-64 encoded string. Use getBase64EncodedWireTransaction to obtain this.
`config`	Readonly<{ accounts: { addresses: readonly Address[]; encoding: "base64+zstd"; }; }> & (Readonly<{ replaceRecentBlockhash?: boolean \| undefined; sigVerify?: false \| undefined; }> \| Readonly<...>) & `Readonly`<{ `commitment?`: `Commitment`; `innerInstructions?`: `boolean`; `minContextSlot?`: `Slot`; }> & `Readonly`<{ `innerInstructions`: `true`; }> & `object`	-

Returns

See

https://solana.com/docs/rpc/http/simulatetransaction

Call Signature

simulateTransaction(base64EncodedWireTransaction, config): SolanaRpcResponse<SimulateTransactionApiResponseBase & SimulateTransactionApiResponseWithAccounts<AccountInfoBase & AccountInfoWithBase64EncodedZStdCompressedData>>;

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 and the result will be returned in the response as a tuple whose first element is a base64-encoded string.

Parameters

Parameter	Type	Description
`base64EncodedWireTransaction`	`Base64EncodedWireTransaction`	A fully signed transaction in wire format, as a base-64 encoded string. Use getBase64EncodedWireTransaction to obtain this.
`config`	Readonly<{ accounts: { addresses: readonly Address[]; encoding: "base64+zstd"; }; }> & (Readonly<{ replaceRecentBlockhash?: boolean \| undefined; sigVerify?: false \| undefined; }> \| Readonly<...>) & `Readonly`<{ `commitment?`: `Commitment`; `innerInstructions?`: `boolean`; `minContextSlot?`: `Slot`; }> & `object`	-

Returns

SolanaRpcResponse<SimulateTransactionApiResponseBase & SimulateTransactionApiResponseWithAccounts<AccountInfoBase & AccountInfoWithBase64EncodedZStdCompressedData>>

See

https://solana.com/docs/rpc/http/simulatetransaction

Call Signature

simulateTransaction(base64EncodedWireTransaction, config): SolanaRpcResponse<SimulateTransactionApiResponseBase & SimulateTransactionApiResponseWithAccounts<AccountInfoBase & AccountInfoWithJsonData> & SimulateTransactionApiResponseWithInnerInstructions>;

Simulate sending a transaction, fetch a list of accounts in their post-simulation state, and obtain the list of inner instructions run, if any.

Parameters

Parameter	Type	Description
`base64EncodedWireTransaction`	`Base64EncodedWireTransaction`	A fully signed transaction in wire format, as a base-64 encoded string. Use getBase64EncodedWireTransaction to obtain this.
`config`	Readonly<{ accounts: { addresses: readonly Address[]; encoding: "jsonParsed"; }; }> & (Readonly<{ replaceRecentBlockhash?: boolean \| undefined; sigVerify?: false \| undefined; }> \| Readonly<...>) & `Readonly`<{ `commitment?`: `Commitment`; `innerInstructions?`: `boolean`; `minContextSlot?`: `Slot`; }> & `Readonly`<{ `innerInstructions`: `true`; }> & `object`	-

Returns

See

https://solana.com/docs/rpc/http/simulatetransaction

Call Signature

simulateTransaction(base64EncodedWireTransaction, config): SolanaRpcResponse<SimulateTransactionApiResponseBase & SimulateTransactionApiResponseWithAccounts<AccountInfoBase & AccountInfoWithJsonData>>;

Simulate sending a transaction, fetch a list of accounts in their post-simulation state.

Parameters

Parameter	Type	Description
`base64EncodedWireTransaction`	`Base64EncodedWireTransaction`	A fully signed transaction in wire format, as a base-64 encoded string. Use getBase64EncodedWireTransaction to obtain this.
`config`	Readonly<{ accounts: { addresses: readonly Address[]; encoding: "jsonParsed"; }; }> & (Readonly<{ replaceRecentBlockhash?: boolean \| undefined; sigVerify?: false \| undefined; }> \| Readonly<...>) & `Readonly`<{ `commitment?`: `Commitment`; `innerInstructions?`: `boolean`; `minContextSlot?`: `Slot`; }> & `object`	-

simulateTransaction(base64EncodedWireTransaction, config): SolanaRpcResponse<Readonly<{
  accounts: null;
}> & SimulateTransactionApiResponseBase & SimulateTransactionApiResponseWithInnerInstructions>;

Simulate sending a transaction, and obtain the list of inner instructions run, if any.

Parameters

Parameter	Type	Description
`base64EncodedWireTransaction`	`Base64EncodedWireTransaction`	A fully signed transaction in wire format, as a base-64 encoded string. Use getBase64EncodedWireTransaction to obtain this.
`config`	(Readonly<{ replaceRecentBlockhash?: boolean \| undefined; sigVerify?: false \| undefined; }> \| Readonly<{ replaceRecentBlockhash?: false \| undefined; sigVerify: true; }>) & Readonly<...> & `Readonly`<{ `innerInstructions`: `true`; }> & `object`	-

simulateTransaction(base64EncodedWireTransaction, config): SolanaRpcResponse<Readonly<{
  accounts: null;
}> & SimulateTransactionApiResponseBase>;

Simulate sending a transaction.

Parameters

Parameter	Type	Description
`base64EncodedWireTransaction`	`Base64EncodedWireTransaction`	A fully signed transaction in wire format, as a base-64 encoded string. Use getBase64EncodedWireTransaction to obtain this.
`config`	\| `Readonly`<{ `replaceRecentBlockhash?`: `boolean`; `sigVerify?`: `false`; }> \| `Readonly`<{ `replaceRecentBlockhash?`: `false`; `sigVerify`: `true`; }> & `Readonly`<{ `commitment?`: `Commitment`; `innerInstructions?`: `boolean`; `minContextSlot?`: `Slot`; }> & `object`	-

Returns

SolanaRpcResponse<Readonly<{ accounts: null; }> & SimulateTransactionApiResponseBase>

See

https://solana.com/docs/rpc/http/simulatetransaction

SimulateTransactionApi

On this page