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🔧 Supported APIs for In-Memory Node 🔧

⚠️ WORK IN PROGRESS: This list is non-comprehensive and being updated. If there is an API that requires additional support, please start by creating a GitHub Issue.

Key

The status options are:

  • SUPPORTED - Basic support is complete
  • PARTIALLY - Partial support and a description including more specific details
  • NOT IMPLEMENTED - Currently not supported/implemented

Supported APIs Table

Namespace API
Status
 Description
CONFIG config_getShowCalls SUPPORTED Gets the current value of show_calls that's originally set with --show-calls option
CONFIG config_getCurrentTimestamp SUPPORTED Gets the value of current_timestamp for the node
CONFIG config_setResolveHashes SUPPORTED Updates resolve-hashes to call OpenChain for human-readable ABI names in call traces
CONFIG config_setShowCalls SUPPORTED Updates show_calls to print more detailed call traces
CONFIG config_setShowStorageLogs SUPPORTED Updates show_storage_logs to print storage log reads/writes
CONFIG config_setShowVmDetails SUPPORTED Updates show_vm_details to print more detailed results from vm execution
CONFIG config_setShowGasDetails SUPPORTED Updates show_gas_details to print more details about gas estimation and usage
CONFIG config_setLogLevel SUPPORTED Sets the logging level for the node and only displays the node logs.
CONFIG config_setLogging SUPPORTED Sets the fine-tuned logging levels for the node and any of its dependencies
DEBUG debug_traceCall SUPPORTED Performs a call and returns structured traces of the execution
DEBUG debug_traceBlockByHash SUPPORTED Returns structured traces for operations within the block of the specified block hash
DEBUG debug_traceBlockByNumber SUPPORTED Returns structured traces for operations within the block of the specified block number
DEBUG debug_traceTransaction SUPPORTED Returns a structured trace of the execution of the specified transaction
ETH eth_accounts SUPPORTED Returns a list of addresses owned by client
ETH eth_chainId SUPPORTED Returns the currently configured chain id
(default is 260)
ETH eth_coinbase NOT IMPLEMENTED Returns the client coinbase address
ETH eth_estimateGas SUPPORTED Generates and returns an estimate of how much gas is necessary for the transaction to complete
ETH eth_feeHistory SUPPORTED Returns a collection of historical block gas data
(hardcoded with gas price of 250_000_000)
ETH eth_gasPrice SUPPORTED Returns the current price per gas in wei
(hardcoded to 250_000_000)
ETH eth_getBalance SUPPORTED Returns the balance of the account of given address
ETH eth_getBlockByHash SUPPORTED Returns information about a block by block hash
ETH eth_getBlockByNumber SUPPORTED Returns information about a block by block number
ETH eth_getBlockTransactionCountByHash SUPPORTED Number of transactions in a block from a block matching the given block hash
ETH eth_getBlockTransactionCountByNumber SUPPORTED Number of transactions in a block from a block matching the given block number
ETH eth_getCompilers NOT IMPLEMENTED Returns a list of available compilers
ETH eth_getTransactionByHash SUPPORTED Returns the information about a transaction requested by transaction hash
ETH eth_getTransactionCount SUPPORTED Returns the number of transactions sent from an address
ETH eth_blockNumber SUPPORTED Returns the number of the most recent block
ETH eth_call SUPPORTED Executes a new message call immediately without creating a transaction on the block chain
ETH eth_sendRawTransaction SUPPORTED Creates new message call transaction or a contract creation for signed transactions
ETH eth_getCode SUPPORTED Returns code at a given address
ETH eth_getFilterChanges SUPPORTED Polling method for a filter, which returns an array of logs, block hashes, or transaction hashes, depending on the filter type, which occurred since last poll
ETH eth_getFilterLogs SUPPORTED Returns an array of all logs matching filter with given id
ETH eth_getLogs SUPPORTED Returns an array of all logs matching a given filter object
ETH eth_getProof NOT IMPLEMENTED Returns the details for the account at the specified address and block number, the account's Merkle proof, and the storage values for the specified storage keys with their Merkle-proofs
ETH eth_getStorageAt SUPPORTED Returns the value from a storage position at a given address
ETH eth_getTransactionByBlockHashAndIndex SUPPORTED Returns information about a transaction by block hash and transaction index position
ETH eth_getTransactionByBlockNumberAndIndex SUPPORTED Returns information about a transaction by block number and transaction index position
ETH eth_getTransactionReceipt SUPPORTED Returns the receipt of a transaction by transaction hash
ETH eth_getUncleByBlockHashAndIndex NOT IMPLEMENTED Returns information about a uncle of a block by hash and uncle index position
ETH eth_getUncleByBlockNumberAndIndex NOT IMPLEMENTED Returns information about a uncle of a block by hash and uncle index position
ETH eth_getUncleCountByBlockHash NOT IMPLEMENTED Returns the number of uncles in a block from a block matching the given block hash
ETH eth_getUncleCountByBlockNumber NOT IMPLEMENTED Returns the number of uncles in a block from a block matching the given block hash
ETH eth_getWork NOT IMPLEMENTED Returns: An Array with the following elements
1: DATA, 32 Bytes - current block header pow-hash
2: DATA, 32 Bytes - the seed hash used for the DAG.
3: DATA, 32 Bytes - the boundary condition ("target"), 2^256 / difficulty
ETH eth_hashrate NOT IMPLEMENTED Returns the number of hashes per second that the node is mining with
ETH eth_maxPriorityFeePerGas NOT IMPLEMENTED Returns a maxPriorityFeePerGas value suitable for quick transaction inclusion
ETH eth_mining NOT IMPLEMENTED Returns true if client is actively mining new blocks
ETH eth_newBlockFilter SUPPORTED Creates a filter in the node, to notify when a new block arrives
ETH eth_newFilter SUPPORTED Creates a filter object, based on filter options, to notify when the state changes (logs)
ETH eth_newPendingTransactionFilter SUPPORTED Creates a filter in the node, to notify when new pending transactions arrive
ETH eth_protocolVersion SUPPORTED Returns the current ethereum protocol version
ETH eth_sendTransaction SUPPORTED Creates new message call transaction or a contract creation, if the data field contains code
ETH eth_sign NOT IMPLEMENTED The sign method calculates an Ethereum specific signature with: sign(keccak256("\x19Ethereum Signed Message:\n" + message.length + message)))
ETH eth_signTransaction NOT IMPLEMENTED Signs a transaction that can be submitted to the network at a later time using eth_sendRawTransaction
ETH eth_signTypedData NOT IMPLEMENTED Identical to eth_signTypedData_v4
ETH eth_signTypedData_v4 NOT IMPLEMENTED Returns Promise<string>: Signature. As in eth_sign, it is a hex encoded 129 byte array starting with 0x.
ETH eth_submitHashrate NOT IMPLEMENTED Used for submitting mining hashrate
ETH eth_submitWork NOT IMPLEMENTED Used for submitting a proof-of-work solution
ETH eth_subscribe NOT IMPLEMENTED Starts a subscription to a particular event
ETH eth_syncing SUPPORTED Returns an object containing data about the sync status or false when not syncing
ETH eth_uninstallFilter SUPPORTED Uninstalls a filter with given id
ETH eth_unsubscribe NOT IMPLEMENTED Cancel a subscription to a particular event
EVM evm_addAccount NOT IMPLEMENTED Adds any arbitrary account
EVM evm_increaseTime SUPPORTED Jump forward in time by the given amount of time, in seconds
EVM evm_mine SUPPORTED Force a single block to be mined
EVM evm_removeAccount NOT IMPLEMENTED Removes an account
EVM evm_revert SUPPORTED Revert the state of the blockchain to a previous snapshot
EVM evm_setAccountBalance NOT IMPLEMENTED Sets the given account's balance to the specified WEI value
EVM evm_setAccountCode NOT IMPLEMENTED Sets the given account's code to the specified data
EVM evm_setAccountNonce NOT IMPLEMENTED Sets the given account's nonce to the specified value
EVM evm_setAccountStorageAt NOT IMPLEMENTED Sets the given account's storage slot to the specified data
EVM evm_setAutomine NOT IMPLEMENTED Enables or disables the automatic mining of new blocks with each new transaction submitted to the network
EVM evm_setBlockGasLimit NOT IMPLEMENTED Sets the Block Gas Limit of the network
EVM evm_setIntervalMining NOT IMPLEMENTED Enables (with a numeric argument greater than 0) or disables (with a numeric argument equal to 0), the automatic mining of blocks at a regular interval of milliseconds, each of which will include all pending transactions
EVM evm_setNextBlockTimestamp SUPPORTED Works like evm_increaseTime, but takes the exact timestamp that you want in the next block, and increases the time accordingly
EVM evm_setTime SUPPORTED Sets the internal clock time to the given timestamp
EVM evm_snapshot SUPPORTED Snapshot the state of the blockchain at the current block
HARDHAT hardhat_addCompilationResult NOT IMPLEMENTED Add information about compiled contracts
HARDHAT hardhat_dropTransaction NOT IMPLEMENTED Remove a transaction from the mempool
HARDHAT hardhat_impersonateAccount SUPPORTED Impersonate an account
HARDHAT hardhat_getAutomine NOT IMPLEMENTED Returns true if automatic mining is enabled, and false otherwise
HARDHAT hardhat_metadata NOT IMPLEMENTED Returns the metadata of the current network
HARDHAT hardhat_mine Mine any number of blocks at once, in constant time
HARDHAT hardhat_reset NOT IMPLEMENTED Resets the state of the network
HARDHAT hardhat_setBalance SUPPORTED Modifies the balance of an account
HARDHAT hardhat_setCode SUPPORTED Sets the bytecode of a given account
HARDHAT hardhat_setCoinbase NOT IMPLEMENTED Sets the coinbase address
HARDHAT hardhat_setLoggingEnabled NOT IMPLEMENTED Enables or disables logging in Hardhat Network
HARDHAT hardhat_setMinGasPrice NOT IMPLEMENTED Sets the minimum gas price
HARDHAT hardhat_setNextBlockBaseFeePerGas NOT IMPLEMENTED Sets the base fee per gas for the next block
HARDHAT hardhat_setPrevRandao NOT IMPLEMENTED Sets the PREVRANDAO value of the next block
HARDHAT hardhat_setNonce SUPPORTED Sets the nonce of a given account
HARDHAT hardhat_setStorageAt NOT IMPLEMENTED Sets the storage value at a given key for a given account
HARDHAT hardhat_stopImpersonatingAccount SUPPORTED Stop impersonating an account after having previously used hardhat_impersonateAccount
NETWORK net_version SUPPORTED Returns the current network id
(default is 260)
NETWORK net_peerCount SUPPORTED Returns the number of peers currently connected to the client
(hard-coded to 0)
NETWORK net_listening SUPPORTED Returns true if the client is actively listening for network connections
(hard-coded to false)
WEB3 web3_clientVersion SUPPORTED Returns zkSync/v2.0
ZKS zks_estimateFee SUPPORTED Gets the Fee estimation data for a given Request
ZKS zks_estimateGasL1ToL2 NOT IMPLEMENTED Estimate of the gas required for a L1 to L2 transaction
ZKS zks_getAllAccountBalances SUPPORTED Returns all balances for confirmed tokens given by an account address
ZKS zks_getBridgeContracts SUPPORTED Returns L1/L2 addresses of default bridges
ZKS zks_getBlockDetails SUPPORTED Returns additional zkSync-specific information about the L2 block
ZKS zks_getBytecodeByHash NOT IMPLEMENTED Returns bytecode of a transaction given by its hash
ZKS zks_getConfirmedTokens SUPPORTED Returns [address, symbol, name, and decimal] information of all tokens within a range of ids given by parameters from and limit
ZKS zks_getL1BatchBlockRange NOT IMPLEMENTED Returns the range of blocks contained within a batch given by batch number
ZKS zks_getL1BatchDetails NOT IMPLEMENTED Returns data pertaining to a given batch
ZKS zks_getL2ToL1LogProof NOT IMPLEMENTED Given a transaction hash, and an index of the L2 to L1 log produced within the transaction, it returns the proof for the corresponding L2 to L1 log
ZKS zks_getL2ToL1MsgProof NOT IMPLEMENTED Given a block, a sender, a message, and an optional message log index in the block containing the L1->L2 message, it returns the proof for the message sent via the L1Messenger system contract
ZKS zks_getMainContract NOT IMPLEMENTED Returns the address of the zkSync Era contract
ZKS zks_getRawBlockTransactions SUPPORTED Returns data of transactions in a block
ZKS zks_getTestnetPaymaster NOT IMPLEMENTED Returns the address of the testnet paymaster
ZKS zks_getTokenPrice SUPPORTED Gets the USD price of a token
(ETH is hard-coded to 1_500, while some others are 1)
ZKS zks_getTransactionDetails SUPPORTED Returns data from a specific transaction given by the transaction hash
ZKS zks_L1BatchNumber NOT IMPLEMENTED Returns the latest L1 batch number
ZKS zks_L1ChainId NOT IMPLEMENTED Returns the chain id of the underlying L1

CONFIG NAMESPACE

config_getShowCalls

source

Gets the current value of show_calls that's originally set with --show-calls option

Arguments

  • NONE

Status

SUPPORTED

Example

curl --request POST \
  --url http://localhost:8011/ \
  --header 'content-type: application/json' \
  --data '{"jsonrpc": "2.0","id": "1","method": "config_getShowCalls","params": []}'

config_getCurrentTimestamp

source

Gets the value of current_timestamp for the node

Arguments

  • NONE

Status

SUPPORTED

Example

curl --request POST \
  --url http://localhost:8011/ \
  --header 'content-type: application/json' \
  --data '{"jsonrpc": "2.0","id": "1","method": "config_getCurrentTimestamp","params": []}'

config_setShowCalls

source

Updates show_calls to print more detailed call traces

Arguments

  • value: String ('None', 'User', 'System', 'All')

Status

SUPPORTED

Example

curl --request POST \
  --url http://localhost:8011/ \
  --header 'content-type: application/json' \
  --data '{"jsonrpc": "2.0","id": "1","method": "config_setShowCalls","params": ["all"]}'

config_setShowStorageLogs

source

Updates show_storage_logs to print storage log reads/writes

Arguments

  • value: String ('None', 'Read', 'Write', 'All')

Status

SUPPORTED

Example

curl --request POST \
  --url http://localhost:8011/ \
  --header 'content-type: application/json' \
  --data '{"jsonrpc": "2.0","id": "1","method": "config_setShowStorageLogs","params": ["all"]}'

config_setShowVmDetails

source

Updates show_vm_details to print more detailed results from vm execution

Arguments

  • value: String ('None', 'All')

Status

SUPPORTED

Example

curl --request POST \
  --url http://localhost:8011/ \
  --header 'content-type: application/json' \
  --data '{"jsonrpc": "2.0","id": "1","method": "config_setShowVmDetails","params": ["all"]}'

config_setShowGasDetails

source

Updates show_gas_details to print more details about gas estimation and usage

Arguments

  • value: String ('None', 'All')

Status

SUPPORTED

Example

curl --request POST \
  --url http://localhost:8011/ \
  --header 'content-type: application/json' \
  --data '{"jsonrpc": "2.0","id": "1","method": "config_setShowGasDetails","params": ["all"]}'

config_setResolveHashes

source

Updates resolve-hashes to call OpenChain for human-readable ABI names in call traces

Arguments

  • value: boolean

Status

SUPPORTED

Example

curl --request POST \
  --url http://localhost:8011/ \
  --header 'content-type: application/json' \
  --data '{"jsonrpc": "2.0","id": "1","method": "config_setResolveHashes","params": [true]}'

config_setLogLevel

source

Sets the logging level for the node and only displays the node logs.

Arguments

  • level: LogLevel ('trace', 'debug', 'info', 'warn', 'error')

Status

SUPPORTED

Example

curl --request POST \
  --url http://localhost:8011/ \
  --header 'content-type: application/json' \
  --data '{"jsonrpc": "2.0","id": "1","method": "config_setLogLevel","params": ["trace"]}'

config_setLogging

source

Sets the fine-tuned logging levels for the node and any of its dependencies. The directive format is comma-separated module=level for any number of modules.

Arguments

  • directive: String (module=level,other_module=level)

Status

SUPPORTED

Example

curl --request POST \
  --url http://localhost:8011/ \
  --header 'content-type: application/json' \
  --data '{"jsonrpc": "2.0","id": "1","method": "config_setLogging","params": ["era_test_node=trace,hyper=debug"]}'

DEBUG NAMESPACE

debug_traceCall

source

The debug_traceCall is similar to eth_call but returns call traces for each call.

Currently calls can only be traced on the latest block. This is the default and hence the block argument can be omitted.

The third argument mirrors the TraceConfig of go-ethereum, but with the restriction that the only supported tracer is CallTracer. Memory, Stack and Storage traces are not supported.

Arguments

  • transaction: Transaction

  • block: BlockNumber

  • tracer: TracerConfig

Status

SUPPORTED

Example

curl --request POST \
  --url http://localhost:8011/ \
  --header 'content-type: application/json' \
  --data '{
    "jsonrpc": "2.0",
      "id": "2",
      "method": "debug_traceCall",
      "params": [{
          "to": "0x36615Cf349d7F6344891B1e7CA7C72883F5dc049",
          "data": "0x0000",
          "from": "0xa61464658AfeAf65CccaaFD3a512b69A83B77618",
          "gas": "0x0000",
          "gasPrice": "0x0000",
          "value": "0x0000",
          "nonce": "0x0000"
      }, "latest"]
  }'

debug_traceTransaction

source

Returns call traces for the transaction with given hash.

Currently only transactions executed on the dev node itself (ie, not from upstream when using fork mode) can be traced.

The third argument mirrors the TraceConfig of go-ethereum, but with the restriction that the only supported tracer is CallTracer. Memory, Stack and Storage traces are not supported.

Arguments

  • tx_hash: H256

  • options: TracerConfig (optional)

Status

SUPPORTED

Example

curl --request POST \
  --url http://localhost:8011/ \
  --header 'content-type: application/json' \
  --data '{
    "jsonrpc": "2.0",
      "id": "2",
      "method": "debug_traceTransaction",
      "params": [
        "0xd3a94ff697a573cb174ecce05126e952ecea6dee051526a3e389747ff86b0d99",
        { "tracer": "callTracer", "tracerConfig": { "onlyTopCall": true } }
      ]
  }'

debug_traceBlockByHash

source

Returns call traces for each transaction within a given block.

Currently only transactions from blocks mined on the dev node itself (ie, not from upstream when using fork mode) can be traced.

The third argument mirrors the TraceConfig of go-ethereum, but with the restriction that the only supported tracer is CallTracer. Memory, Stack and Storage traces are not supported.

Arguments

  • blockHash: H256

  • options: TracerConfig (optional)

Status

SUPPORTED

Example

curl --request POST \
  --url http://localhost:8011/ \
  --header 'content-type: application/json' \
  --data '{
    "jsonrpc": "2.0",
      "id": "2",
      "method": "debug_traceBlockByHash",
      "params": [
        "0xd3a94ff697a573cb174ecce05126e952ecea6dee051526a3e389747ff86b0d99",
        { "tracer": "callTracer", "tracerConfig": { "onlyTopCall": true } }
      ]
  }'

debug_traceBlockByNumber

source

Returns call traces for each transaction within a given block.

Currently only transactions from blocks mined on the dev node itself (ie, not from upstream when using fork mode) can be traced.

The third argument mirrors the TraceConfig of go-ethereum, but with the restriction that the only supported tracer is CallTracer. Memory, Stack and Storage traces are not supported.

Arguments

  • blockNumber: BlockNumber

  • options: TracerConfig (optional)

Status

SUPPORTED

Example

curl --request POST \
  --url http://localhost:8011/ \
  --header 'content-type: application/json' \
  --data '{
    "jsonrpc": "2.0",
      "id": "2",
      "method": "debug_traceBlockByNumber",
      "params": [
        "latest",
        { "tracer": "callTracer", "tracerConfig": { "onlyTopCall": true } }
      ]
  }'

NETWORK NAMESPACE

net_version

source

Returns the current network id

Arguments

  • NONE

Status

SUPPORTED

Example

curl --request POST \
  --url http://localhost:8011/ \
  --header 'content-type: application/json' \
  --data '{"jsonrpc": "2.0","id": "1","method": "net_version","params": []}'

net_peerCount

source

Returns the number of connected peers

Arguments

  • NONE

Status

SUPPORTED

Example

curl --request POST \
  --url http://localhost:8011/ \
  --header 'content-type: application/json' \
  --data '{"jsonrpc": "2.0","id": "1","method": "net_peerCount","params": []}'

net_listening

source

Returns true if the node is listening for connections

Arguments

  • NONE

Status

SUPPORTED

Example

curl --request POST \
  --url http://localhost:8011/ \
  --header 'content-type: application/json' \
  --data '{"jsonrpc": "2.0","id": "1","method": "net_listening","params": []}'

ETH NAMESPACE

eth_accounts

source

Returns a list of addresses owned by client

Arguments

  • NONE

Status

SUPPORTED

Example

curl --request POST \
  --url http://localhost:8011/ \
  --header 'content-type: application/json' \
  --data '{"jsonrpc": "2.0","id": "1","method": "eth_accounts","params": []}'

eth_chainId

source

Returns the current chain id

Arguments

  • NONE

Status

SUPPORTED

Example

curl --request POST \
  --url http://localhost:8011/ \
  --header 'content-type: application/json' \
  --data '{"jsonrpc": "2.0","id": "1","method": "eth_chainId","params": []}'

eth_estimateGas

source

Generates and returns an estimate of how much gas is necessary to allow the transaction to complete

Arguments

  • transaction: Transaction

Status

SUPPORTED

Example

curl --request POST \
  --url http://localhost:8011/ \
  --header 'content-type: application/json' \
  --data '{
    "jsonrpc": "2.0",
      "id": "2",
      "method": "eth_estimateGas",
      "params": [{
          "to": "0x36615Cf349d7F6344891B1e7CA7C72883F5dc049",
          "data": "0x0000",
          "from": "0xa61464658AfeAf65CccaaFD3a512b69A83B77618",
          "gas": "0x0000",
          "gasPrice": "0x0000",
          "value": "0x0000",
          "nonce": "0x0000"
      }, "latest"]
  }'

eth_feeHistory

source

Returns the fee history for a given range of blocks

Arguments

  • block_count: U64
  • newest_block: BlockNumber
  • reward_percentiles: Vec<f32>

Status

SUPPORTED

Example

curl --request POST \
  --url http://localhost:8011/ \
  --header 'content-type: application/json' \
  --data '{"jsonrpc": "2.0","id": "1","method": "eth_feeHistory","params": ["0x1", "latest", [25, 50 , 75]]}'

eth_gasPrice

source

Returns the current price per gas in wei

Arguments

  • NONE

Status

SUPPORTED

Example

curl --request POST \
  --url http://localhost:8011/ \
  --header 'content-type: application/json' \
  --data '{"jsonrpc": "2.0","id": "1","method": "eth_gasPrice","params": []}'

eth_getBalance

source

Returns the balance of the account of given address

Arguments

  • address: Address

  • block: BlockNumber

Status

SUPPORTED

Example

curl --request POST \
  --url http://localhost:8011/ \
  --header 'content-type: application/json' \
  --data '{
    "jsonrpc": "2.0",
    "id": "1",
    "method": "eth_getBalance",
    "params": ["0x0000000000000000000000000000000000000000", "latest"]
}'

eth_getBlockByHash

source

Returns information about a block by block hash

Arguments

  • hash: H256

  • full: boolean

Status

SUPPORTED

Example

curl --request POST \
  --url http://localhost:8011/ \
  --header 'content-type: application/json' \
  --data '{
    "jsonrpc": "2.0",
    "id": "1",
    "method": "eth_getBlockByHash",
    "params": ["0x0000000000000000000000000000000000000000000000000000000000000008", false]
}'

eth_getBlockByNumber

source

Returns information about a block by block number

Arguments

  • block: BlockNumber

  • full: boolean

Status

SUPPORTED

Example

curl --request POST \
  --url http://localhost:8011/ \
  --header 'content-type: application/json' \
  --data '{
    "jsonrpc": "2.0",
    "id": "1",
    "method": "eth_getBlockByNumber",
    "params": ["latest", true]
}'

eth_getBlockTransactionCountByHash

source

Number of transactions in a block from a block matching the given block hash

Arguments

  • block_hash: H256

Status

SUPPORTED

Example

curl --request POST \
  --url http://localhost:8011/ \
  --header 'content-type: application/json' \
  --data '{
    "jsonrpc": "2.0",
    "id": "1",
    "method": "eth_getBlockTransactionCountByHash",
    "params": ["0x0000000000000000000000000000000000000000000000000000000000000008"]
}'

eth_getBlockTransactionCountByNumber

source

Number of transactions in a block from a block matching the given block number

Arguments

  • block_number: BlockNumber

Status

SUPPORTED

Example

curl --request POST \
  --url http://localhost:8011/ \
  --header 'content-type: application/json' \
  --data '{
    "jsonrpc": "2.0",
    "id": "1",
    "method": "eth_getBlockTransactionCountByNumber",
    "params": ["latest"]
}'

eth_getFilterChanges

source

Polling method for a filter, which returns an array of logs, block hashes, or transaction hashes, depending on the filter type, which occurred since last poll

Arguments

  • id: U256

Status

SUPPORTED

Example

curl --request POST \
  --url http://localhost:8011/ \
  --header 'content-type: application/json' \
  --data '{
    "jsonrpc": "2.0",
    "id": "1",
    "method": "eth_getFilterChanges",
    "params": ["0x1"]
}'

eth_newBlockFilter

source

Creates a filter in the node, to notify when a new block arrives

Arguments

  • NONE_

Status

SUPPORTED

Example

curl --request POST \
  --url http://localhost:8011/ \
  --header 'content-type: application/json' \
  --data '{
    "jsonrpc": "2.0",
    "id": "1",
    "method": "eth_newBlockFilter"
}'

eth_newFilter

source

Creates a filter object, based on filter options, to notify when the state changes (logs)

Arguments

  • filter: Filter

Status

SUPPORTED

Example

curl --request POST \
  --url http://localhost:8011/ \
  --header 'content-type: application/json' \
  --data '{
    "jsonrpc": "2.0",
    "id": "1",
    "method": "eth_newFilter",
    "params": [{
      "fromBlock": "0xa", 
      "toBlock": "0xff", 
      "address": "0x6b175474e89094c44da98b954eedeac495271d0f",
      "topics": []
    }]
}'

eth_newPendingTransactionFilter

source

Creates a filter in the node, to notify when new pending transactions arrive

Arguments

  • NONE_

Status

SUPPORTED

Example

curl --request POST \
  --url http://localhost:8011/ \
  --header 'content-type: application/json' \
  --data '{
    "jsonrpc": "2.0",
    "id": "1",
    "method": "eth_newPendingTransactionFilter"
}'

eth_uninstallFilter

source

Uninstalls a filter with given id

Arguments

  • id: U256

Status

SUPPORTED

Example

curl --request POST \
  --url http://localhost:8011/ \
  --header 'content-type: application/json' \
  --data '{
    "jsonrpc": "2.0",
    "id": "1",
    "method": "eth_uninstallFilter",
    "params": ["0x1"]
}'

eth_getFilterLogs

source

Returns an array of all logs matching filter with given id

Arguments

  • id: U256

Status

SUPPORTED

Example

curl --request POST \
  --url http://localhost:8011/ \
  --header 'content-type: application/json' \
  --data '{
    "jsonrpc": "2.0",
    "id": "1",
    "method": "eth_getFilterLogs",
    "params": ["0x1"]
}'

eth_getLogs

source

Returns an array of all logs matching a filter

Arguments

  • filter: Filter

Status

SUPPORTED

Example

curl --request POST \
  --url http://localhost:8011/ \
  --header 'content-type: application/json' \
  --data '{
    "jsonrpc": "2.0",
    "id": "1",
    "method": "eth_getLogs",
    "params": [{
      "fromBlock": "0xa",
      "toBlock": "0xff",
      "address": "0x6b175474e89094c44da98b954eedeac495271d0f",
      "topics": []
    }]
}'

eth_getCode

source

Returns code at a given address

Arguments

  • address: Address

  • block: BlockNumber

Status

SUPPORTED

Example

curl --request POST \
  --url http://localhost:8011/ \
  --header 'content-type: application/json' \
  --data '{
    "jsonrpc": "2.0",
    "id": "1",
    "method": "eth_getCode",
    "params": ["0x0000000000000000000000000000000000000000", "latest"]
}'

eth_getTransactionByHash

source

Returns the information about a transaction requested by transaction hash

Arguments

  • hash: Hash

Status

SUPPORTED

Example

curl --request POST \
  --url http://localhost:8011/ \
  --header 'content-type: application/json' \
  --data '{
    "jsonrpc": "2.0",
    "id": "1",
    "method": "eth_getTransactionByHash",
    "params": ["0x0000000000000000000000000000000000000000000000000000000000000000"]
}'

eth_getTransactionCount

source

Returns the number of transactions sent from an address

Arguments

  • address: Address

  • block: BlockNumber

Status

SUPPORTED

Example

curl --request POST \
  --url http://localhost:8011/ \
  --header 'content-type: application/json' \
  --data '{
    "jsonrpc": "2.0",
    "id": "1",
    "method": "eth_getTransactionCount",
    "params": ["0x0000000000000000000000000000000000000000", "latest"]
}'

eth_getTransactionReceipt

source

Returns the transaction receipt for a given transaction hash

Arguments

  • hash: H256

Status

SUPPORTED

Example

curl --request POST \
  --url http://localhost:8011/ \
  --header 'content-type: application/json' \
  --data '{
    "jsonrpc": "2.0",
    "id": "1",
    "method": "eth_getTransactionReceipt",
    "params": ["0x0000000000000000000000000000000000000000"]
}'

eth_blockNumber

source

Returns the number of most recent block

Arguments

  • NONE

Status

SUPPORTED

Example

curl --request POST \
  --url http://localhost:8011/ \
  --header 'content-type: application/json' \
  --data '{"jsonrpc": "2.0","id": "1","method": "eth_blockNumber","params": []}'

eth_call

source

Executes a new message call immediately without creating a transaction on the block chain

Arguments

  • transaction: Transaction

  • block: BlockNumber

Status

SUPPORTED

Example

curl --request POST \
  --url http://localhost:8011/ \
  --header 'content-type: application/json' \
  --data '{
    "jsonrpc": "2.0",
      "id": "2",
      "method": "eth_call",
      "params": [{
          "to": "0x36615Cf349d7F6344891B1e7CA7C72883F5dc049",
          "data": "0x0000",
          "from": "0xa61464658AfeAf65CccaaFD3a512b69A83B77618",
          "gas": "0x0000",
          "gasPrice": "0x0000",
          "value": "0x0000",
          "nonce": "0x0000"
      }, "latest"]
  }'

eth_sendRawTransaction

source

Creates new message call transaction or a contract creation for signed transactions

Arguments

  • transaction: Transaction

Status

SUPPORTED

Example

curl --request POST \
  --url http://localhost:8011/ \
  --header 'content-type: application/json' \
  --data '{"jsonrpc": "2.0","id": "1","method": "eth_sendRawTransaction","params": ["0x0000"]
}'

eth_syncing

source

Returns syncing status of the node. This will always return false.

Arguments

  • NONE

Status

SUPPORTED

Example

curl --request POST \
  --url http://localhost:8011/ \
  --header 'content-type: application/json' \
  --data '{"jsonrpc": "2.0","id": "1","method": "eth_syncing","params": []
}'

eth_getStorageAt

source

Returns the value from a storage position at a given address.

Arguments

  • address: H160
  • position: U256
  • blockNumber: BlockIdVariant

Status

SUPPORTED

Example

curl --request POST \
  --url http://localhost:8011/ \
  --header 'content-type: application/json' \
  --data '{
    "jsonrpc": "2.0",
    "id": "1",
    "method": "eth_getStorageAt",
    "params": ["0x123456789abcdef123456789abcdef1234567890", "0x0", "latest"]
}'

eth_getTransactionByBlockHashAndIndex

source

Returns information about a transaction by block hash and transaction index position

Arguments

  • block_hash: H256
  • index: U64

Status

SUPPORTED

Example

curl --request POST \
  --url http://localhost:8011/ \
  --header 'content-type: application/json' \
  --data '{
    "jsonrpc": "2.0",
    "id": "1",
    "method": "eth_getTransactionByBlockHashAndIndex",
    "params": ["0x0000000000000000000000000000000000000000000000000000000000000008", "0x1"]
}'

eth_getTransactionByBlockNumberAndIndex

source

Returns information about a transaction by block number and transaction index position

Arguments

  • block_number: BlockNumber
  • index: U64

Status

SUPPORTED

Example

curl --request POST \
  --url http://localhost:8011/ \
  --header 'content-type: application/json' \
  --data '{
    "jsonrpc": "2.0",
    "id": "1",
    "method": "eth_getTransactionByBlockNumberAndIndex",
    "params": ["latest", "0x1"]
}'

eth_protocolVersion

source

Returns the current ethereum protocol version.

Arguments

  • NONE

Status

SUPPORTED

Example

curl --request POST \
  --url http://localhost:8011/ \
  --header 'content-type: application/json' \
  --data '{
    "jsonrpc": "2.0",
    "id": "1",
    "method": "eth_protocolVersion"
}'

eth_sendTransaction

source

Creates new message call transaction or a contract creation, if the data field contains code.

Arguments

  • transaction: TransactionRequest

Status

SUPPORTED

Example

curl --request POST \
  --url http://localhost:8011/ \
  --header 'content-type: application/json' \
  --data '{
    "jsonrpc": "2.0",
    "id": "1",
    "method": "eth_sendTransaction",
    "params": ["..."]
}'

HARDHAT NAMESPACE

hardhat_setBalance

source

Sets the balance of the given address to the given balance.

Arguments

  • address: Address - The Address whose balance will be edited
  • balance: U256 - The balance to set for the given address, in wei

Status

SUPPORTED

Example

curl --request POST \
  --url http://localhost:8011/ \
  --header 'content-type: application/json' \
  --data '{
    "jsonrpc": "2.0",
      "id": "1",
      "method": "hardhat_setBalance",
      "params": [
        "0x36615Cf349d7F6344891B1e7CA7C72883F5dc049",
        "0x1337"
      ]
  }'

hardhat_setNonce

source

Modifies an account's nonce by overwriting it. The new nonce must be greater than the existing nonce.

Arguments

  • address: Address - The Address whose nonce is to be changed
  • nonce: U256 - The new nonce

Example

curl --request POST \
  --url http://localhost:8011/ \
  --header 'content-type: application/json' \
  --data '{
    "jsonrpc": "2.0",
      "id": "1",
      "method": "hardhat_setNonce",
      "params": [
        "0x36615Cf349d7F6344891B1e7CA7C72883F5dc049",
        "0x1337"
      ]
  }'

hardhat_mine

source

Sometimes you may want to advance the latest block number of the network by a large number of blocks. One way to do this would be to call the evm_mine RPC method multiple times, but this is too slow if you want to mine thousands of blocks. The hardhat_mine method can mine any number of blocks at once, in constant time. (It exhibits the same performance no matter how many blocks are mined.)

Arguments

  • num_blocks: U64 - The number of blocks to mine. (Optional: defaults to 1)
  • interval: U646 - The interval between the timestamps of each block, in seconds. (Optional: defaults to 1)

Example

curl --request POST \
  --url http://localhost:8011/ \
  --header 'content-type: application/json' \
  --data '{
    "jsonrpc": "2.0",
    "id": "2",
    "method": "hardhat_mine",
    "params": [
        "0xaa",
        "0x100"
    ]
}'

hardhat_impersonateAccount

source

Begin impersonating account- subsequent transactions sent to the node will be committed as if they were initiated by the supplied address.

Arguments

  • address: Address - The address to begin impersonating

Example

curl --request POST \
  --url http://localhost:8011/ \
  --header 'content-type: application/json' \
  --data '{
    "jsonrpc": "2.0",
    "id": "2",
    "method": "hardhat_impersonateAccount",
    "params": [
        "0x364d6D0333432C3Ac016Ca832fb8594A8cE43Ca6"
    ]
}'

hardhat_stopImpersonatingAccount

source

Stop impersonating account, should be used after calling hardhat_impersonateAccount. Since we only impersonate one account at a time, the address argument is ignored and the current impersonated account (if any) is cleared.

Arguments

  • address: Address - (Optional) Argument accepted for compatibility and will be ignored

Example

curl --request POST \
  --url http://localhost:8011/ \
  --header 'content-type: application/json' \
  --data '{
    "jsonrpc": "2.0",
    "id": "2",
    "method": "hardhat_stopImpersonatingAccount",
    "params": [
        "0x364d6D0333432C3Ac016Ca832fb8594A8cE43Ca6"
    ]
}'

hardhat_setCode

source

Sets the code for a given address.

Arguments

  • address: Address - The Address whose code will be updated
  • code: Bytes - The code to set to

Status

SUPPORTED

Example

curl --request POST \
  --url http://localhost:8011/ \
  --header 'content-type: application/json' \
  --data '{
    "jsonrpc": "2.0",
      "id": "1",
      "method": "hardhat_setCode",
      "params": [
        "0x36615Cf349d7F6344891B1e7CA7C72883F5dc049",
        [1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1]
      ]
  }'

EVM NAMESPACE

evm_mine

source

Mines an empty block

Status

SUPPORTED

Example

curl --request POST \
  --url http://localhost:8011/ \
  --header 'content-type: application/json' \
  --data '{"jsonrpc": "2.0","id": "1","method": "evm_mine","params": []
}'

evm_increaseTime

source

Increase the current timestamp for the node

Arguments

  • time_delta_seconds: U64

Status

SUPPORTED

Example

curl --request POST \
  --url http://localhost:8011/ \
  --header 'content-type: application/json' \
  --data '{"jsonrpc": "2.0","id": "1","method": "evm_increaseTime","params": [10]}'

evm_setNextBlockTimestamp

source

Sets the timestamp of the next block but doesn't mine one..

Arguments

  • timestamp: U64

Status

SUPPORTED

Example

curl --request POST \
  --url http://localhost:8011/ \
  --header 'content-type: application/json' \
  --data '{"jsonrpc": "2.0","id": "1","method": "evm_setNextBlockTimestamp","params": [1672527600]}'

evm_setTime

source

Set the current timestamp for the node. Warning: This will allow you to move backwards in time, which may cause new blocks to appear to be mined before old blocks. This will result in an invalid state.

Arguments

  • time: U64

Status

SUPPORTED

Example

curl --request POST \
  --url http://localhost:8011/ \
  --header 'content-type: application/json' \
  --data '{"jsonrpc": "2.0","id": "1","method": "evm_setTime","params": [1672527600]}'

evm_snapshot

source

Snapshot the state of the blockchain at the current block.

Arguments

  • NONE

Status

SUPPORTED

Example

curl --request POST \
  --url http://localhost:8011/ \
  --header 'content-type: application/json' \
  --data '{"jsonrpc": "2.0","id": "1","method": "evm_snapshot"}'

evm_revert

source

Revert the state of the blockchain to a previous snapshot

Arguments

  • snapshot_id: U64

Status

SUPPORTED

Example

curl --request POST \
  --url http://localhost:8011/ \
  --header 'content-type: application/json' \
  --data '{"jsonrpc": "2.0","id": "1","method": "evm_revert","params": ["0x1"]}'

WEB3 NAMESPACE

web3_clientVersion

source

Returns the client version

Arguments

  • NONE

Status

SUPPORTED

Example

curl --request POST \
  --url http://localhost:8011/ \
  --header 'content-type: application/json' \
  --data '{
    "jsonrpc": "2.0",
    "id": "1",
    "method": "web3_clientVersion"
  }'

ZKS NAMESPACE

zks_estimateFee

source

Generates and returns an estimate of how much gas is necessary to allow the transaction to complete

Arguments

  • transaction: Transaction

Status

SUPPORTED

Example

curl --request POST \
  --url http://localhost:8011/ \
  --header 'content-type: application/json' \
  --data '{
    "jsonrpc": "2.0",
      "id": "2",
      "method": "zks_estimateFee",
      "params": [{
          "to": "0x36615Cf349d7F6344891B1e7CA7C72883F5dc049",
          "data": "0x0000",
          "from": "0xa61464658AfeAf65CccaaFD3a512b69A83B77618",
          "gas": "0x0000",
          "gasPrice": "0x0000",
          "value": "0x0000",
          "nonce": "0x0000"
      }]
  }'

zks_getTokenPrice

source

Returns the token price given an Address

Arguments

  • address: Address

Status

SUPPORTED

Example

curl --request POST \
  --url http://localhost:8011/ \
  --header 'content-type: application/json' \
  --data '{"jsonrpc": "2.0","id": "1","method": "zks_getTokenPrice","params": ["0x0000000000000000000000000000000000000000"]}'

zks_getTransactionDetails

source

Returns data from a specific transaction given by the transaction hash.

Arguments

  • transactionHash: H256

Status

SUPPORTED

Example

curl --request POST \
  --url http://localhost:8011/ \
  --header 'content-type: application/json' \
  --data '{"jsonrpc": "2.0","id": "1","method": "zks_getTransactionDetails","params": ["0xa5d62a85561295ed58f8daad4e9442691e6da4301a859f364d28a02917d6e04d"]}'

zks_getBlockDetails

source

Returns additional zkSync-specific information about the L2 block.

Arguments

  • block: u32 - The number of the block

Status

SUPPORTED

Example

curl --request POST \
  --url http://localhost:8011/ \
  --header 'content-type: application/json' \
  --data '{"jsonrpc": "2.0", "id": 1, "method": "zks_getBlockDetails", "params": [ 140599 ]}'

zks_getBridgeContracts

source

Returns L1/L2 addresses of default bridges.

Arguments

  • NONE

Status

SUPPORTED

Example

curl --request POST \
  --url http://localhost:8011/ \
  --header 'content-type: application/json' \
  --data '{
    "jsonrpc": "2.0",
      "id": "2",
      "method": "zks_getBridgeContracts"
  }'

zks_getRawBlockTransactions

source

Returns data of transactions in a block.

Arguments

  • block: u32 - The number of the block

Status

SUPPORTED

Example

curl --request POST \
  --url http://localhost:8011/ \
  --header 'content-type: application/json' \
  --data '{"jsonrpc": "2.0", "id": 1, "method": "zks_getRawBlockTransactions", "params": [ 140599 ]}'

zks_getConfirmedTokens

source

Get list of the tokens supported by ZkSync Era. The tokens are returned in alphabetical order by their symbol. This means that the token id is its position in an alphabetically sorted array of tokens.

Arguments

  • from: u32 - Offset of tokens
  • limit: u8 - Limit of number of tokens to return

Status

SUPPORTED

Example

curl --request POST \
  --url http://localhost:8011/ \
  --header 'content-type: application/json' \
  --data '{
    "jsonrpc": "2.0",
    "id": "1",
    "method": "zks_getConfirmedTokens",
    "params": [0, 100]
}'

zks_getAllAccountBalances

source

Get all known balances for a given account.

Arguments

  • address: Address - The user address with balances to check.

Status

SUPPORTED

Example

curl --request POST \
  --url http://localhost:8011/ \
  --header 'content-type: application/json' \
  --data '{
    "jsonrpc": "2.0",
    "id": "1",
    "method": "zks_getAllAccountBalances",
    "params": ["0x364d6D0333432C3Ac016Ca832fb8594A8cE43Ca6"]
}'