Parameters
The simulation request object
Array of block state call objects
(Optional) An object to override block-level parameters
The base fee per gas for the block, encoded as hexadecimal
(Optional) An object to override account states
The address of the account to override
(Optional) The balance to set for the account, encoded as hexadecimal
(Optional) The nonce to set for the account, encoded as hexadecimal
(Optional) The bytecode to set for the account, encoded as hexadecimal
(Optional) A key-value mapping to override all slots in the account storage
(Optional) A key-value mapping to override individual slots in the account storage
Array of transaction call objects
The address from which the transaction is sent
The address to which the transaction is directed
(Optional) The maximum fee per gas the sender is willing to pay
(Optional) The value sent with the transaction, encoded as hexadecimal
(Optional) The data payload of the transaction, encoded as hexadecimal
(Optional) A boolean indicating whether to perform validation checks
(Optional) A boolean indicating whether to trace value transfers
The block number, hash, or tag (earliest, finalized, latest, pending, safe)
Returns
Array of simulation results
Block hash
Parent block hash
Uncle blocks hash in hexadecimal
Miner/validator address
State trie root in hexadecimal
Transactions trie root in hexadecimal
Receipts trie root in hexadecimal
Logs bloom filter in hexadecimal
Block difficulty in hexadecimal
Block number in hexadecimal
Gas limit in hexadecimal
Gas used in hexadecimal
Block timestamp in hexadecimal
Extra data field in hexadecimal
Mix hash in hexadecimal
Nonce in hexadecimal
Base fee per gas in hexadecimal
Withdrawals trie root in hexadecimal
Block size in hexadecimal
Array of uncle block hashes
Array of transaction hashes
Array of withdrawal objects
Array of call results
Return data from the call in hexadecimal
Array of logs generated during the call
Address of the contract that generated the log
Array of indexed log parameters
Contains non-indexed log parameters
Hash of the block containing the log (may be null in simulations)
Block number in hexadecimal
Hash of the transaction
Index of the transaction in the block
Index of the log in the block
Whether the log was removed due to chain reorganization
Amount of gas used in hexadecimal
Status code of the call in hexadecimal
1{2"jsonrpc": "2.0",3"id": 1,4"result": [5{6"hash": "0x50f55f0bbd9f28ad47ac14407dc27e850c35e2114ccfab3296bb6f7e227a14b9",7"parentHash": "0x89c0e2343cd9b7947bf9c2a260a7d8fa41f371a6d148173b5e7b6ecfd978b82d",8"sha3Uncles": "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347",9"miner": "0x6f79bd3a2193f5371e72eac9dffac0631f1026e2",10"stateRoot": "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",11"transactionsRoot": "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",12"receiptsRoot": "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",13"logsBloom": "0x00000000000000000000000000000000001000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000008000000000000000000040000000000000000000000000000000000000000000000000000000000000000000000000011000000000000004000000000000000000000000080000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000040000000002000000000000000000000000000000000000010000000000000000000000000000800000000000000000000000000000000000000000000000000000",14"difficulty": "0x0",15"number": "0x5f4fa91",16"gasLimit": "0x8f0d180",17"gasUsed": "0x186a0",18"timestamp": "0x6a91b13f",19"extraData": "0x",20"mixHash": "0x0000000000000000000000000000000000000000000000000000000000000000",21"nonce": "0x0000000000000000",22"baseFeePerGas": "0x174876e800",23"withdrawalsRoot": "0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470",24"size": "0x257",25"uncles": [],26"transactions": [27"0xc4d421521a70ea98400852ee981060b39dfc06c308cb5880286fe16352652f6c"28],29"withdrawals": [],30"calls": [31{32"logs": [33{34"data": "0x0000000000000000000000000000000000000000000000000000000000000001",35"topics": [36"0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef",37"0x000000000000000000000000d8da6bf26964af9d7eed9e03e53415d37aa96045",38"0x000000000000000000000000014d023e954baae7f21e56ed8a5d81b12902684d"39],40"address": "0xeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee",41"removed": false,42"logIndex": "0x0",43"blockHash": "0x50f55f0bbd9f28ad47ac14407dc27e850c35e2114ccfab3296bb6f7e227a14b9",44"blockNumber": "0x5f4fa91",45"transactionHash": "0xc4d421521a70ea98400852ee981060b39dfc06c308cb5880286fe16352652f6c",46"transactionIndex": "0x0"47}48],49"status": "0x1",50"gasUsed": "0x186a0",51"returnData": "0x"52}53]54}55]56}
1{2"jsonrpc": "2.0",3"id": 1,4"result": [5{6"hash": "0x50f55f0bbd9f28ad47ac14407dc27e850c35e2114ccfab3296bb6f7e227a14b9",7"parentHash": "0x89c0e2343cd9b7947bf9c2a260a7d8fa41f371a6d148173b5e7b6ecfd978b82d",8"sha3Uncles": "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347",9"miner": "0x6f79bd3a2193f5371e72eac9dffac0631f1026e2",10"stateRoot": "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",11"transactionsRoot": "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",12"receiptsRoot": "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",13"logsBloom": "0x00000000000000000000000000000000001000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000008000000000000000000040000000000000000000000000000000000000000000000000000000000000000000000000011000000000000004000000000000000000000000080000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000040000000002000000000000000000000000000000000000010000000000000000000000000000800000000000000000000000000000000000000000000000000000",14"difficulty": "0x0",15"number": "0x5f4fa91",16"gasLimit": "0x8f0d180",17"gasUsed": "0x186a0",18"timestamp": "0x6a91b13f",19"extraData": "0x",20"mixHash": "0x0000000000000000000000000000000000000000000000000000000000000000",21"nonce": "0x0000000000000000",22"baseFeePerGas": "0x174876e800",23"withdrawalsRoot": "0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470",24"size": "0x257",25"uncles": [],26"transactions": [27"0xc4d421521a70ea98400852ee981060b39dfc06c308cb5880286fe16352652f6c"28],29"withdrawals": [],30"calls": [31{32"logs": [33{34"data": "0x0000000000000000000000000000000000000000000000000000000000000001",35"topics": [36"0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef",37"0x000000000000000000000000d8da6bf26964af9d7eed9e03e53415d37aa96045",38"0x000000000000000000000000014d023e954baae7f21e56ed8a5d81b12902684d"39],40"address": "0xeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee",41"removed": false,42"logIndex": "0x0",43"blockHash": "0x50f55f0bbd9f28ad47ac14407dc27e850c35e2114ccfab3296bb6f7e227a14b9",44"blockNumber": "0x5f4fa91",45"transactionHash": "0xc4d421521a70ea98400852ee981060b39dfc06c308cb5880286fe16352652f6c",46"transactionIndex": "0x0"47}48],49"status": "0x1",50"gasUsed": "0x186a0",51"returnData": "0x"52}53]54}55]56}