Parameters
- objectobjectREQUIRED
The simulation request object
- blockStateCallsarray
Array of block state call objects
- blockOverridesobject
(Optional) An object to override block-level parameters
- baseFeePerGasstring
The base fee per gas for the block, encoded as hexadecimal
- stateOverridesobject
(Optional) An object to override account states
- addressobject
The address of the account to override
- balancestring
(Optional) The balance to set for the account, encoded as hexadecimal
- noncestring
(Optional) The nonce to set for the account, encoded as hexadecimal
- codestring
(Optional) The bytecode to set for the account, encoded as hexadecimal
- stateobject
(Optional) A key-value mapping to override all slots in the account storage
- stateDiffobject
(Optional) A key-value mapping to override individual slots in the account storage
- callsarray
Array of transaction call objects
- fromstring
The address from which the transaction is sent
- tostring
The address to which the transaction is directed
- maxFeePerGasstring
(Optional) The maximum fee per gas the sender is willing to pay
- valuestring
(Optional) The value sent with the transaction, encoded as hexadecimal
- datastring
(Optional) The data payload of the transaction, encoded as hexadecimal
- validationboolean
(Optional) A boolean indicating whether to perform validation checks
- traceTransfersboolean
(Optional) A boolean indicating whether to trace value transfers
- blockParameterstring
The block number, hash, or tag (earliest, finalized, latest, pending, safe)
Returns
- resultarray
Array of simulation results
- hashstring
Block hash
- parentHashstring
Parent block hash
- sha3Unclesstring
Uncle blocks hash in hexadecimal
- minerstring
Miner or validator address
- stateRootstring
State trie root in hexadecimal
- transactionsRootstring
Transactions trie root in hexadecimal
- receiptsRootstring
Receipts trie root in hexadecimal
- logsBloomstring
Logs bloom filter in hexadecimal
- difficultystring
Block difficulty in hexadecimal
- numberstring
Block number in hexadecimal
- gasLimitstring
Gas limit in hexadecimal
- gasUsedstring
Gas used in hexadecimal
- timestampstring
Block timestamp in hexadecimal
- extraDatastring
Extra data field in hexadecimal
- mixHashstring
Mix hash in hexadecimal
- noncestring
Nonce in hexadecimal
- baseFeePerGasstring
Base fee per gas in hexadecimal
- withdrawalsRootstring
Withdrawals trie root in hexadecimal
- blobGasUsedstring
Amount of blob gas used in hexadecimal
- excessBlobGasstring
Excess blob gas in hexadecimal
- parentBeaconBlockRootstring
Parent beacon block root in hexadecimal
- requestsHashstring
Hash of the block requests payloads
- sizestring
Block size in hexadecimal
- unclesarray
Array of uncle block hashes
- transactionsarray
Array of transaction hashes
- withdrawalsarray
Array of withdrawal objects
- callsarray
Array of call results
- returnDatastring
Return data from the call in hexadecimal
- logsarray
Array of logs generated during the call
- addressstring
Address of the contract that generated the log
- topicsarray
Array of indexed log parameters
- datastring
Contains non-indexed log parameters
- blockHashstring
Hash of the block containing the log, may be null in simulations
- blockNumberstring
Block number in hexadecimal
- blockTimestampstring
Block timestamp in hexadecimal
- transactionHashstring
Hash of the transaction
- transactionIndexstring
Index of the transaction in the block
- logIndexstring
Index of the log in the block
- removedboolean
Whether the log was removed due to chain reorganization
- gasUsedstring
Amount of gas used in hexadecimal
- statusstring
Status code of the call in hexadecimal
1{2"jsonrpc": "2.0",3"id": 1,4"result": [5{6"hash": "0x8d2426db800ffc7462315d33aed543ced9fba99d69507b83404502a4b27307e9",7"parentHash": "0x63de7e2b714e1003d6b63b7544e3e3e9007ef4e8746edbece9c2f50e62aeb73e",8"sha3Uncles": "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347",9"miner": "0xa693cc18aa09d33dd388013b7a02e5ff863b8760",10"stateRoot": "0x0000000000000000000000000000000000000000000000000000000000000000",11"transactionsRoot": "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",12"receiptsRoot": "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",13"logsBloom": "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",14"difficulty": "0x0",15"number": "0x1500d25",16"gasLimit": "0x1c9c380",17"gasUsed": "0x0",18"timestamp": "0x696a7cd9",19"extraData": "0x726574682f76312e372e302f6c696e7578",20"mixHash": "0xd9c7c2af0c813c6a896b387308fd01566dd876ccc21088b940d8c76d1ff98add",21"nonce": "0x0000000000000000",22"baseFeePerGas": "0x248e9ea400",23"withdrawalsRoot": "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",24"blobGasUsed": "0x0",25"excessBlobGas": "0x0",26"parentBeaconBlockRoot": "0x0000000000000000000000000000000000000000000000000000000000000000",27"requestsHash": "0xe3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",28"size": "0x27e",29"uncles": [],30"transactions": [],31"withdrawals": [],32"calls": []33}34]35}
1{2"jsonrpc": "2.0",3"id": 1,4"result": [5{6"hash": "0x8d2426db800ffc7462315d33aed543ced9fba99d69507b83404502a4b27307e9",7"parentHash": "0x63de7e2b714e1003d6b63b7544e3e3e9007ef4e8746edbece9c2f50e62aeb73e",8"sha3Uncles": "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347",9"miner": "0xa693cc18aa09d33dd388013b7a02e5ff863b8760",10"stateRoot": "0x0000000000000000000000000000000000000000000000000000000000000000",11"transactionsRoot": "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",12"receiptsRoot": "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",13"logsBloom": "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",14"difficulty": "0x0",15"number": "0x1500d25",16"gasLimit": "0x1c9c380",17"gasUsed": "0x0",18"timestamp": "0x696a7cd9",19"extraData": "0x726574682f76312e372e302f6c696e7578",20"mixHash": "0xd9c7c2af0c813c6a896b387308fd01566dd876ccc21088b940d8c76d1ff98add",21"nonce": "0x0000000000000000",22"baseFeePerGas": "0x248e9ea400",23"withdrawalsRoot": "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",24"blobGasUsed": "0x0",25"excessBlobGas": "0x0",26"parentBeaconBlockRoot": "0x0000000000000000000000000000000000000000000000000000000000000000",27"requestsHash": "0xe3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",28"size": "0x27e",29"uncles": [],30"transactions": [],31"withdrawals": [],32"calls": []33}34]35}