ETH Data Model (Beta)

Column	Data Type	Description
block	Integer	Block number being a primary key. Numbers start from 0 (GENESIS) and are continuous integers. New blocks are always added at the end of the chain with a new block number.
block_hash	String(66)	Block hash is a KECCAK-256 hash of the block's content and is unique for every block.
timestamp	Timestamp (UTC)	Timestamp of the block. Every block has a different timestamp. Currently Ethereum blocks are added roughly every 12 seconds. Everything that happens in a block (calls, events, diffs) inherits the block's timestamp.
canonical	Boolean	Information whether the block is canonical (True) or not (False). Blocks can be canonical (included in the chain) or uncles (not included in the chain). Currently the database does not have uncles so CANONICAL is always True.
parent_hash	String(66)	Hash of a parent block (block with NUMBER-1). It is used for assuring the consistency of the chain. For block 0, parent hash is hexadecimal 0 (it does not have a parent).
tx_count	Integer	Transaction count - the number of transactions (successful or reverted) included in the block. Can be 0 for some blocks ('empty blocks').
miner	String(42)	Address of the miner (for the PoW consensus mechanism) or validator (for the PoS consensus). The receiver of gas and other fees related to creation of the block.
gas_limit	BigInteger	The maximum amount of gas that can be included in the block, set by the network. It is expressed in gas units.
gas_used	BigInteger	Gas actually consumed by the block execution. It is expressed in gas units.
base_fee_per_gas	BigInteger	After the London hard fork this represents the minimum GAS_USED multiplier required for a transaction to be included in a block. It is empty for blocks before London hard fork.
extra_data	String(66)	Arbitrary binary data included by a miner of a block.

Column

Data Type

Description

block

Integer

Block number being a primary key. Numbers start from 0 (GENESIS) and are continuous integers. New blocks are always added at the end of the chain with a new block number.

block_hash

String(66)

Block hash is a KECCAK-256 hash of the block's content and is unique for every block.

timestamp

Timestamp (UTC)

Timestamp of the block. Every block has a different timestamp. Currently Ethereum blocks are added roughly every 12 seconds. Everything that happens in a block (calls, events, diffs) inherits the block's timestamp.

canonical

Boolean

Information whether the block is canonical (True) or not (False). Blocks can be canonical (included in the chain) or uncles (not included in the chain). Currently the database does not have uncles so CANONICAL is always True.

parent_hash

String(66)

Hash of a parent block (block with NUMBER-1). It is used for assuring the consistency of the chain. For block 0, parent hash is hexadecimal 0 (it does not have a parent).

tx_count

Integer

Transaction count - the number of transactions (successful or reverted) included in the block. Can be 0 for some blocks ('empty blocks').

miner

String(42)

Address of the miner (for the PoW consensus mechanism) or validator (for the PoS consensus). The receiver of gas and other fees related to creation of the block.

gas_limit

BigInteger

The maximum amount of gas that can be included in the block, set by the network. It is expressed in gas units.

gas_used

BigInteger

Gas actually consumed by the block execution. It is expressed in gas units.

base_fee_per_gas

BigInteger

After the London hard fork this represents the minimum GAS_USED multiplier required for a transaction to be included in a block. It is empty for blocks before London hard fork.

extra_data

String(66)

Arbitrary binary data included by a miner of a block.

Column	Data Type	Description
block	Integer	Block number (foreign key used to join with the BLOCKS table)
timestamp	Timestamp (UTC)	Block timestamp inherited from the BLOCKS table.
tx_index	Integer	Sequential number of the transaction within the block (starting from 0).
tx_hash	String(66)	Transaction hash (the primary key).
tx_type	Integer	Transaction type. Allowed types are: 0 - legacy transactions that use the transaction format existing before typed transactions were introduced 1 - transactions introduced in EIP-2930 that contain an accessList parameter 2 - transactions introduced in EIP-1559, included in Ethereum's London fork
from_address	String(42)	Calling address (transaction sender). It is always an Externally Owned Address.
from_name	String	Name of the calling address. The name is generated using various labeling techniques and fallbacks to plain hex address if the name cannot be found.
nonce	Integer	Sender counter of signed transactions, used to avoid sending the same transaction twice.
to_address	String(42)	Called address (call receiver). In case of a pure Ether transfer it can be an EOA or smart contract. In case of function calls it should be always a smart contract.
to_name	String	Called address name. The name is generated using various labeling techniques and fallbacks to contract name or plain hex address if the name cannot be found.
tx_value	BigInteger	Value of Ether transferred along the transaction. It is expressed in WEI so must be divided by10 to the power of 18 to be transformed to Ether units. This value can be zero if no Ether is transferred.
function_signature	String(10)	Hex signature of the top level function call or 0x in case of pure Ether transfer.
function_name	String	Called function name
arguments	Object	Decoded function arguments (key: value pairs)
raw_arguments	Array	Raw arguments (array)
return_value	String	Transaction return value (hex)
max_fee_per_gas	BigInteger	The maximum fee the transaction sender is willing to pay for the gas (base fee + priority fee).
max_priority_fee_per_gas	BigInteger	Gas "tip" included in the transaction to additionally incentivise miners.
max_priority_fee_per_data_gas	BigInteger	Maximum amount of gas paid for the blobs of data stored on-chain.
gas_limit	BigInteger	Maximum amount of gas that can be used before the transaction is reverted. It is expressed in gas units.
gas_price	BigInteger	The amount of Ether the transaction sender wants to pay per unit of gas as a fee to the miner.
gas_used	BigInteger	Gas amount actually used by the transaction. It is expressed in gas units.
gas_refund	BigInteger	Total gas amount returned after the transaction execution. It is expressed in gas units.
exception_error	String	Error description generated by the Ethereum Virtual Machine in the case of failed transactions. Empty for successful transactions.
revert_reason	String	Error description provided by the smart contract in case of the reverted transactions. Empty for successful transactions.
status	Boolean	Information if the transaction execution was persistent (True) or reverted (False). Reverts can originate from technical failures (code errors), gas limits (more gas needed than was staked) or contract logic.
decoding_status	Boolean	Information whether the decoding proces was successful (True) or failed (False).
decoding_error	String	Description of the decoding error. Empty for successfully decoded rows.

Column

Data Type

Description

block

Integer

Block number (foreign key used to join with the BLOCKS table)

timestamp

Timestamp (UTC)

Block timestamp inherited from the BLOCKS table.

tx_index

Integer

Sequential number of the transaction within the block (starting from 0).

tx_hash

String(66)

Transaction hash (the primary key).

tx_type

Integer

Transaction type.

Allowed types are:

0 - legacy transactions that use the transaction format existing before typed transactions were introduced
1 - transactions introduced in EIP-2930 that contain an accessList parameter
2 - transactions introduced in EIP-1559, included in Ethereum's London fork

from_address

String(42)

Calling address (transaction sender). It is always an Externally Owned Address.

from_name

String

Name of the calling address. The name is generated using various labeling techniques and fallbacks to plain hex address if the name cannot be found.

nonce

Integer

Sender counter of signed transactions, used to avoid sending the same transaction twice.

to_address

String(42)

Called address (call receiver). In case of a pure Ether transfer it can be an EOA or smart contract. In case of function calls it should be always a smart contract.

to_name

String

Called address name. The name is generated using various labeling techniques and fallbacks to contract name or plain hex address if the name cannot be found.

tx_value

BigInteger

Value of Ether transferred along the transaction. It is expressed in WEI so must be divided by10 to the power of 18 to be transformed to Ether units. This value can be zero if no Ether is transferred.

function_signature

String(10)

Hex signature of the top level function call or 0x in case of pure Ether transfer.

function_name

String

Called function name

arguments

Object

Decoded function arguments (key: value pairs)

raw_arguments

Array

Raw arguments (array)

return_value

String

Transaction return value (hex)

max_fee_per_gas

BigInteger

The maximum fee the transaction sender is willing to pay for the gas (base fee + priority fee).

max_priority_fee_per_gas

BigInteger

Gas "tip" included in the transaction to additionally incentivise miners.

max_priority_fee_per_data_gas

BigInteger

Maximum amount of gas paid for the blobs of data stored on-chain.

gas_limit

BigInteger

Maximum amount of gas that can be used before the transaction is reverted. It is expressed in gas units.

gas_price

BigInteger

The amount of Ether the transaction sender wants to pay per unit of gas as a fee to the miner.

gas_used

BigInteger

Gas amount actually used by the transaction. It is expressed in gas units.

gas_refund

BigInteger

Total gas amount returned after the transaction execution. It is expressed in gas units.

exception_error

String

Error description generated by the Ethereum Virtual Machine in the case of failed transactions. Empty for successful transactions.

revert_reason

String

Error description provided by the smart contract in case of the reverted transactions. Empty for successful transactions.

status

Boolean

Information if the transaction execution was persistent (True) or reverted (False). Reverts can originate from technical failures (code errors), gas limits (more gas needed than was staked) or contract logic.

decoding_status

Boolean

Information whether the decoding proces was successful (True) or failed (False).

decoding_error

String

Description of the decoding error. Empty for successfully decoded rows.

Column	Data Type	Description
block	Integer	Block number (foreign key used to join with the BLOCKS table).
timestamp	Timestamp (UTC)	Block timestamp inherited from the BLOCKS table.
call_id	String	Unique call identifier (primary key). It is constructed by concatenating the block number with the transaction number and the call path.
tx_hash	String(66)	Transaction hash (foreign key used to join with the TRANSACTIONS table).
call_path	String	Position of the call in the transaction execution tree. Top level calls have empty path. Every other call is marked as [parent call_path] underscore [sub call number starting with 0]. For example call_path '0_2_1' means second subcall of third subcall of first subcall in a transaction.
call_type	String	Enumeration of possible call types: CALL - standard function call CALLCODE - allows a contract to invoke a function from another contract while maintaining the context of the calling contract, was replaced by DELEGATECALL due to security concerns DELEGATECALL - executes the code of the called contract in the context of calling contract operating on its storage STATICCALL - function call that is not allowed to change the storage CREATE - deployment of a new contract (CALL_DATA contains the contract code and constructor arguments) SELFDESTRUCT - contract destruction call
from_address	String(42)	Calling address (call sender). For top level call it is always an Externally Owned Address. For other calls it is always a smart contract.
from_name	String	Calling address name. The name is generated using various labeling techniques and fallbacks to contract name or plain hex address if the name cannot be found.
to_address	String(42)	Called address (call receiver). In case of a pure Ether transfer it can be an EOA or smart contract. In case of function calls it should be always a smart contract. If the call type is DELEGATECALL this address is used as a code library that is executed in the context of a calling address.
to_name	String	Called contract name. The name is generated using various labeling techniques and fallbacks to contract name or plain hex address if the name cannot be found.
code_address	String(42)	Address of the contract implementation
call_value	BigInteger	Value of Ether transferred along the call. It is expressed in WEI so must be divided by10 to the power of 18 to be transformed to Ether units. This value can be zero if no Ether is transferred.
function_signature	String(10)	Binary signature of the called function. It is always the first 8 bytes of the CALL_DATA. Can be empty if no function is called.
function_name	String	Decoded function name. The name is decoded using the called contract ABI if it is available. If not, it is guessed using most popular functions from other contracts that use the same signature (in such case ABI_GUESSED is set to True). It fallbacks to binary signature if cannot be decoded using any of these approaches.
arguments	Object	Decoded function arguments in a form of key:value pairs where key is the argument name and value is its decoded value. Arguments are decoded using the called contract ABI if it is available. If not, they are decoded using most popular functions from other contracts that use the same signature (in such case ABI_GUESSED is set to True). It fallbacks to a single 'call_data' argument if cannot be decoded using any of these approaches.
raw_arguments	Array	Decoded function arguments in a form of array where each element is the dictionary of argument's name, raw_value and decoded_value. It preserves the arguments order so can be used to get for example the first argument regardless of its name. Arguments are decoded using the same strategy as for ARGUMENTS field.
outputs	Object	Decoded outputs of the function call in a form of key:value pairs where key is the output name and value is its decoded value. Outputs are decoded using the called contract ABI if it is available. If not, they are decoded using most popular functions from other contracts that use the same signature (in such case ABI_GUESSED is set to True). It fallbacks to a single 'output_data' argument if cannot be decoded using any of these approaches.
raw_outputs	Array	Decoded function outputs in a form of array where each element is the dictionary of output's name, raw_value and decoded_value. It preserves the outputs order so can be used to get for example the n-th output regardless of its name. Outputs are decoded using the same strategy as for OUTPUTS field.
created_address	String(42)	Created address in the case of CREATE call. Not used for other call types.
created_code	String	Contract creation code for 'create' type (hex)
storage_address	String(42)	Address of the storage affected by the call, depending of the call type. For example for DELEGATECALL it is the storage of the calling contract.
call_gas	BigInteger	Gas staked by the call before its execution. Maximum amount that can be used before the call is reverted. It is expressed in gas units.
gas_used	BigInteger	Gas amount actually used by the call. It is expressed in gas units.
gas_refund	BigInteger	Gas amount returned after the call execution. It is expressed in gas units.
exception_error	String	Error description generated by the Ethereum Virtual Machine in the case of failed calls. Empty for successful calls.
revert_reason	String	Error description provided by the smart contract in case of the reverted calls. Empty for successful calls.
success	Boolean	Information whether the call was successfully executed (True) or failed (False). Successfully executed calls can be reverted by the smart contract logic so this should be used in connection with the STATUS field.
status	Boolean	Information if the calls execution was persistent (True) or reverted (False). Reverts can originate from technical failures (code errors), gas limits (more gas needed than was staked) or contract logic.
decoding_status	Boolean	Information whether the decoding proces was successful (True) or failed (False).
decoding_error	String	Description of the decoding error. Empty for successfully decoded rows.

Column

Data Type

Description

block

Integer

Block number (foreign key used to join with the BLOCKS table).

timestamp

Timestamp (UTC)

Block timestamp inherited from the BLOCKS table.

call_id

String

Unique call identifier (primary key). It is constructed by concatenating the block number with the transaction number and the call path.

tx_hash

String(66)

Transaction hash (foreign key used to join with the TRANSACTIONS table).

call_path

String

Position of the call in the transaction execution tree. Top level calls have empty path. Every other call is marked as [parent call_path] underscore [sub call number starting with 0]. For example call_path '0_2_1' means second subcall of third subcall of first subcall in a transaction.

call_type

String

Enumeration of possible call types:

CALL - standard function call
CALLCODE - allows a contract to invoke a function from another contract while maintaining the context of the calling contract, was replaced by DELEGATECALL due to security concerns
DELEGATECALL - executes the code of the called contract in the context of calling contract operating on its storage
STATICCALL - function call that is not allowed to change the storage
CREATE - deployment of a new contract (CALL_DATA contains the contract code and constructor arguments)
SELFDESTRUCT - contract destruction call

from_address

String(42)

Calling address (call sender). For top level call it is always an Externally Owned Address. For other calls it is always a smart contract.

from_name

String

Calling address name. The name is generated using various labeling techniques and fallbacks to contract name or plain hex address if the name cannot be found.

to_address

String(42)

Called address (call receiver). In case of a pure Ether transfer it can be an EOA or smart contract. In case of function calls it should be always a smart contract. If the call type is DELEGATECALL this address is used as a code library that is executed in the context of a calling address.

to_name

String

Called contract name. The name is generated using various labeling techniques and fallbacks to contract name or plain hex address if the name cannot be found.

code_address

String(42)

Address of the contract implementation

call_value

BigInteger

Value of Ether transferred along the call. It is expressed in WEI so must be divided by10 to the power of 18 to be transformed to Ether units. This value can be zero if no Ether is transferred.

function_signature

String(10)

Binary signature of the called function. It is always the first 8 bytes of the CALL_DATA. Can be empty if no function is called.

function_name

String

Decoded function name. The name is decoded using the called contract ABI if it is available. If not, it is guessed using most popular functions from other contracts that use the same signature (in such case ABI_GUESSED is set to True). It fallbacks to binary signature if cannot be decoded using any of these approaches.

arguments

Object

Decoded function arguments in a form of key:value pairs where key is the argument name and value is its decoded value. Arguments are decoded using the called contract ABI if it is available. If not, they are decoded using most popular functions from other contracts that use the same signature (in such case ABI_GUESSED is set to True). It fallbacks to a single 'call_data' argument if cannot be decoded using any of these approaches.

raw_arguments

Array

Decoded function arguments in a form of array where each element is the dictionary of argument's name, raw_value and decoded_value. It preserves the arguments order so can be used to get for example the first argument regardless of its name. Arguments are decoded using the same strategy as for ARGUMENTS field.

outputs

Object

Decoded outputs of the function call in a form of key:value pairs where key is the output name and value is its decoded value. Outputs are decoded using the called contract ABI if it is available. If not, they are decoded using most popular functions from other contracts that use the same signature (in such case ABI_GUESSED is set to True). It fallbacks to a single 'output_data' argument if cannot be decoded using any of these approaches.

raw_outputs

Array

Decoded function outputs in a form of array where each element is the dictionary of output's name, raw_value and decoded_value. It preserves the outputs order so can be used to get for example the n-th output regardless of its name. Outputs are decoded using the same strategy as for OUTPUTS field.

created_address

String(42)

Created address in the case of CREATE call. Not used for other call types.

created_code

String

Contract creation code for 'create' type (hex)

storage_address

String(42)

Address of the storage affected by the call, depending of the call type. For example for DELEGATECALL it is the storage of the calling contract.

call_gas

BigInteger

Gas staked by the call before its execution. Maximum amount that can be used before the call is reverted. It is expressed in gas units.

gas_used

BigInteger

Gas amount actually used by the call. It is expressed in gas units.

gas_refund

BigInteger

Gas amount returned after the call execution. It is expressed in gas units.

exception_error

String

Error description generated by the Ethereum Virtual Machine in the case of failed calls. Empty for successful calls.

revert_reason

String

Error description provided by the smart contract in case of the reverted calls. Empty for successful calls.

success

Boolean

Information whether the call was successfully executed (True) or failed (False). Successfully executed calls can be reverted by the smart contract logic so this should be used in connection with the STATUS field.

status

Boolean

Information if the calls execution was persistent (True) or reverted (False). Reverts can originate from technical failures (code errors), gas limits (more gas needed than was staked) or contract logic.

decoding_status

Boolean

Information whether the decoding proces was successful (True) or failed (False).

decoding_error

String

Description of the decoding error. Empty for successfully decoded rows.

Column	Data Type	Description
block	Integer	Block number (foreign key used to join with the BLOCKS table).
timestamp	Timestamp (UTC)	Block timestamp inherited from the BLOCKS table.
tx_hash	String(66)	Transaction hash (foreign key used to join with the TRANSACTIONS table).
log_index	Integer	Index of the event within a block. All successfully emitted events of a given block are stored as a sequence starting form LOG_INDEX number 0. For reverted events they are not stored on-chain and do not have LOG_INDEX.
call_id	Integer	Identifier of the call that emitted the event (foreign key used to join with the CALLS table).
contract_address	String(42)	Address of the smart contract that emitted the event. In case of DELEGATECALLS event is emitted by the calling contract but the its semantics (ABI) is defined by the called contract.
contract_name	String	Emitting contract name. The name is generated using various labeling techniques and fallbacks to contract name or plain hex address if the name cannot be found.
code_address	String(42)	Address of the contract implementation
event_signature	String(66)	Event signature (hex)
event_name	String	Decoded event name. The name is decoded using the implementation contract ABI if it is available. If not, it is guessed using most popular functions from other contracts that use the same signature (in such case ABI_GUESSED is set to True). It fallbacks to binary signature if cannot be decoded using any of these approaches.
parameters	Object	Decoded event parameters in a form of key:value pairs where key is the parameter name and value is its decoded value. Parameters are decoded using the implementation contract ABI if it is available. If not, they are decoded using most popular events from other contracts that use the same signature (in such case ABI_GUESSED is set to True). It fallbacks to 'topic_parameter_1-3' and 'data_parameter_0-n' if cannot be decoded using any of these approaches.
raw_parameters	Array	Decoded event parameters in a form of key:value pairs where key is the parameter name and value is its decoded value. Parameters are decoded using the implementation contract ABI if it is available. If not, they are decoded using most popular events from other contracts that use the same signature (in such case ABI_GUESSED is set to True). It fallbacks to 'topic_parameter_1-3' and 'data_parameter_0-n' if cannot be decoded using any of these approaches.
status	Boolean	Information if the calls execution was persistent (True) or reverted (False). Reverts can originate from technical failures (code errors), gas limits (more gas needed than was staked) or contract logic.
order_index	Integer	Technical field that can be used to properly order all actions within a block. This is an integer without any particular meaning except for preserving the sequence of actions (calls, events, diffs). For some types of actions it is the only way to get their actual order.
decoding_status	Boolean	Information whether the decoding proces was successful (True) or failed (False).
decoding_error	String	Description of the decoding error. Empty for successfully decoded rows.

Column

Data Type

Description

block

Integer

Block number (foreign key used to join with the BLOCKS table).

timestamp

Timestamp (UTC)

Block timestamp inherited from the BLOCKS table.

tx_hash

String(66)

Transaction hash (foreign key used to join with the TRANSACTIONS table).

log_index

Integer

Index of the event within a block. All successfully emitted events of a given block are stored as a sequence starting form LOG_INDEX number 0. For reverted events they are not stored on-chain and do not have LOG_INDEX.

call_id

Integer

Identifier of the call that emitted the event (foreign key used to join with the CALLS table).

contract_address

String(42)

Address of the smart contract that emitted the event. In case of DELEGATECALLS event is emitted by the calling contract but the its semantics (ABI) is defined by the called contract.

contract_name

String

Emitting contract name. The name is generated using various labeling techniques and fallbacks to contract name or plain hex address if the name cannot be found.

code_address

String(42)

Address of the contract implementation

event_signature

String(66)

Event signature (hex)

event_name

String

Decoded event name. The name is decoded using the implementation contract ABI if it is available. If not, it is guessed using most popular functions from other contracts that use the same signature (in such case ABI_GUESSED is set to True). It fallbacks to binary signature if cannot be decoded using any of these approaches.

parameters

Object

Decoded event parameters in a form of key:value pairs where key is the parameter name and value is its decoded value. Parameters are decoded using the implementation contract ABI if it is available. If not, they are decoded using most popular events from other contracts that use the same signature (in such case ABI_GUESSED is set to True). It fallbacks to 'topic_parameter_1-3' and 'data_parameter_0-n' if cannot be decoded using any of these approaches.

raw_parameters

Array

Decoded event parameters in a form of key:value pairs where key is the parameter name and value is its decoded value. Parameters are decoded using the implementation contract ABI if it is available. If not, they are decoded using most popular events from other contracts that use the same signature (in such case ABI_GUESSED is set to True). It fallbacks to 'topic_parameter_1-3' and 'data_parameter_0-n' if cannot be decoded using any of these approaches.

status

Boolean

Information if the calls execution was persistent (True) or reverted (False). Reverts can originate from technical failures (code errors), gas limits (more gas needed than was staked) or contract logic.

order_index

Integer

Technical field that can be used to properly order all actions within a block. This is an integer without any particular meaning except for preserving the sequence of actions (calls, events, diffs). For some types of actions it is the only way to get their actual order.

decoding_status

Boolean

Information whether the decoding proces was successful (True) or failed (False).

decoding_error

String

Description of the decoding error. Empty for successfully decoded rows.

Column	Data Type	Description
block	Integer	Block number (foreign key used to join with the BLOCKS table).
timestamp	Timestamp (UTC)	Block timestamp inherited from the BLOCKS table.
tx_hash	String(66)	Transaction hash (foreign key used to join with the TRANSACTIONS table).
call_id	Integer	Call identifier (foreign key used to join with the CALLS table).
address	String(42)	Blockchain address that the change applies to.
state_field	String	Name of the state filed that is being changed. Allowed names are: balance - Ether balance of the address nonce - number starting form 0 and increased with every new signed transaction codeHash - hash of a bytecode in case if a contract is deployed at the address
reason	String	Reason for the state change. Allowed values for BALANCE field are: genesis - balance changes introduced at the genesis block eth transfer - transfers of Ether gas stake - staking gas before transaction unused gas - returned gas after transaction miner gas - gas feed paid to the miner block reward - Ether minted for the miner as a reward for a block uncle reward - Ether minted for the miner as a reward for an uncle withdrawal - Ether withdrawn from the beacon chain Allowed values for NONCE field are: nonce change - nonce increase due to a signed transaction contract creation - nonce change from 0 to 1 for a newly created contract Allowed values for CODE HASH field are: contract creation - storing code due to a contract creation contract destruction - removing code due to a contract destruction
prev_value	String(66)	State field value before the change.
curr_value	String(66)	State field value after the change.
status	Boolean	Information if the state change was persistent (True) or reverted (False). Reverts can originate from technical failures (code errors), gas limits (more gas needed than was staked) or contract logic.
order_index	Integer	Technical field that can be used to properly order all actions within a block. This is an integer without any particular meaning except for preserving the sequence of actions (calls, events, diffs). For some types of actions it is the only way to get their actual order.

Column

Data Type

Description

block

Integer

Block number (foreign key used to join with the BLOCKS table).

timestamp

Timestamp (UTC)

Block timestamp inherited from the BLOCKS table.

tx_hash

String(66)

Transaction hash (foreign key used to join with the TRANSACTIONS table).

call_id

Integer

Call identifier (foreign key used to join with the CALLS table).

address

String(42)

Blockchain address that the change applies to.

state_field

String

Name of the state filed that is being changed. Allowed names are:

balance - Ether balance of the address
nonce - number starting form 0 and increased with every new signed transaction
codeHash - hash of a bytecode in case if a contract is deployed at the address

reason

String

Reason for the state change.

Allowed values for BALANCE field are:

genesis - balance changes introduced at the genesis block
eth transfer - transfers of Ether
gas stake - staking gas before transaction
unused gas - returned gas after transaction
miner gas - gas feed paid to the miner
block reward - Ether minted for the miner as a reward for a block
uncle reward - Ether minted for the miner as a reward for an uncle
withdrawal - Ether withdrawn from the beacon chain

Allowed values for NONCE field are:

nonce change - nonce increase due to a signed transaction
contract creation - nonce change from 0 to 1 for a newly created contract

Allowed values for CODE HASH field are:

contract creation - storing code due to a contract creation
contract destruction - removing code due to a contract destruction

prev_value

String(66)

State field value before the change.

curr_value

String(66)

State field value after the change.

status

Boolean

Information if the state change was persistent (True) or reverted (False). Reverts can originate from technical failures (code errors), gas limits (more gas needed than was staked) or contract logic.

order_index

Integer

Technical field that can be used to properly order all actions within a block. This is an integer without any particular meaning except for preserving the sequence of actions (calls, events, diffs). For some types of actions it is the only way to get their actual order.

Column	Data Type	Description
block	Integer	Block number (foreign key used to join with the BLOCKS table).
timestamp	Timestamp (UTC)	Block timestamp inherited from the BLOCKS table.
tx_hash	String(66)	Transaction hash (foreign key used to join with the TRANSACTIONS table).
call_id	Integer	Call identifier (foreign key used to join with the CALLS table).
contract_address	String(42)	Address of a contract that the change applies to.
contract_name	String	Name of a contract that the change applies to.
code_name	String(42)	Address of the contract implementation
raw_location	String	Pre-hashed memory location, including the slot number and keys used for mappings.
location	String	Decoded pre-hashed memory location, including the variable name and keys used for mappings.
variable	String	Decoded variable name.
variable_type	String	Decoded variable type. Allowed types are: SIMPLE - simple variable that uses one memory slot MAPPING - hashmap with a single key MULTI MAPPING - hashmap with multiple keys OTHER - other variable types
slot	Integer	Memory slot number (sequential position of the variable in the smart contract code).
key0	String	First mapping key
key1	String	Second mapping key
key2	String	Third mapping key
key3	String	Fourth mapping key
struct0	String	First structure name
field0	String	First structure field
struct1	String	Second structure name
field1	String	Second structure field
prev_value	String(66)	Value before the change (hex)
curr_value	String(66)	Value after the change (hex)
status	Boolean	Information if the storage change was persistent (True) or reverted (False). Reverts can originate from technical failures (code errors), gas limits (more gas needed than was staked) or contract logic.
order_index	Integer	Technical field that can be used to properly order all actions within a block. This is an integer without any particular meaning except for preserving the sequence of actions (calls, events, diffs). For some types of actions it is the only way to get their actual order.
decoding_status	Boolean	Information whether the decoding proces was successful (True) or failed (False).
decoding_error	String	Description of the decoding error. Empty for successfully decoded rows.

Column

Data Type

Description

block

Integer

Block number (foreign key used to join with the BLOCKS table).

timestamp

Timestamp (UTC)

Block timestamp inherited from the BLOCKS table.

tx_hash

String(66)

Transaction hash (foreign key used to join with the TRANSACTIONS table).

call_id

Integer

Call identifier (foreign key used to join with the CALLS table).

contract_address

String(42)

Address of a contract that the change applies to.

contract_name

String

Name of a contract that the change applies to.

code_name

String(42)

Address of the contract implementation

raw_location

String

Pre-hashed memory location, including the slot number and keys used for mappings.

location

String

Decoded pre-hashed memory location, including the variable name and keys used for mappings.

variable

String

Decoded variable name.

variable_type

String

Decoded variable type. Allowed types are:

SIMPLE - simple variable that uses one memory slot
MAPPING - hashmap with a single key
MULTI MAPPING - hashmap with multiple keys
OTHER - other variable types

slot

Integer

Memory slot number (sequential position of the variable in the smart contract code).

key0

String

First mapping key

key1

String

Second mapping key

key2

String

Third mapping key

key3

String

Fourth mapping key

struct0

String

First structure name

field0

String

First structure field

struct1

String

Second structure name

field1

String

Second structure field

prev_value

String(66)

Value before the change (hex)

curr_value

String(66)

Value after the change (hex)

status

Boolean

Information if the storage change was persistent (True) or reverted (False). Reverts can originate from technical failures (code errors), gas limits (more gas needed than was staked) or contract logic.

order_index

Integer

Technical field that can be used to properly order all actions within a block. This is an integer without any particular meaning except for preserving the sequence of actions (calls, events, diffs). For some types of actions it is the only way to get their actual order.

decoding_status

Boolean

Information whether the decoding proces was successful (True) or failed (False).

decoding_error

String

Description of the decoding error. Empty for successfully decoded rows.

Column	Data Type	Description
block	Integer	Block number being a primary key. Numbers start from 0 (GENESIS) and are continuous integers. New blocks are always added at the end of the chain with a new block number.
block_hash	String(66)	Block hash is a KECCAK-256 hash of the block's content and is unique for every block.
timestamp	Timestamp (UTC)	Timestamp of the block. Every block has a different timestamp. Currently Ethereum blocks are added roughly every 12 seconds. Everything that happens in a block (calls, events, diffs) inherits the block's timestamp.
canonical	Boolean	Information whether the block is canonical (True) or not (False). Blocks can be canonical (included in the chain) or uncles (not included in the chain). Currently the database does not have uncles so CANONICAL is always True.
parent_hash	String(66)	Hash of a parent block (block with NUMBER-1). It is used for assuring the consistency of the chain. For block 0, parent hash is hexadecimal 0 (it does not have a parent).
tx_count	Integer	Transaction count - the number of transactions (successful or reverted) included in the block. Can be 0 for some blocks ('empty blocks').
miner	String(42)	Address of the miner (for the PoW consensus mechanism) or validator (for the PoS consensus). The receiver of gas and other fees related to creation of the block.
gas_limit	BigInteger	The maximum amount of gas that can be included in the block, set by the network. It is expressed in gas units.
gas_used	BigInteger	Gas actually consumed by the block execution. It is expressed in gas units.
base_fee_per_gas	BigInteger	After the London hard fork this represents the minimum GAS_USED multiplier required for a transaction to be included in a block. It is empty for blocks before London hard fork.
extra_data	String(66)	Arbitrary binary data included by a miner of a block.

Column

Data Type

Description

block

Integer

Block number being a primary key. Numbers start from 0 (GENESIS) and are continuous integers. New blocks are always added at the end of the chain with a new block number.

block_hash

String(66)

Block hash is a KECCAK-256 hash of the block's content and is unique for every block.

timestamp

Timestamp (UTC)

Timestamp of the block. Every block has a different timestamp. Currently Ethereum blocks are added roughly every 12 seconds. Everything that happens in a block (calls, events, diffs) inherits the block's timestamp.

canonical

Boolean

Information whether the block is canonical (True) or not (False). Blocks can be canonical (included in the chain) or uncles (not included in the chain). Currently the database does not have uncles so CANONICAL is always True.

parent_hash

String(66)

Hash of a parent block (block with NUMBER-1). It is used for assuring the consistency of the chain. For block 0, parent hash is hexadecimal 0 (it does not have a parent).

tx_count

Integer

Transaction count - the number of transactions (successful or reverted) included in the block. Can be 0 for some blocks ('empty blocks').

miner

String(42)

Address of the miner (for the PoW consensus mechanism) or validator (for the PoS consensus). The receiver of gas and other fees related to creation of the block.

gas_limit

BigInteger

The maximum amount of gas that can be included in the block, set by the network. It is expressed in gas units.

gas_used

BigInteger

Gas actually consumed by the block execution. It is expressed in gas units.

base_fee_per_gas

BigInteger

After the London hard fork this represents the minimum GAS_USED multiplier required for a transaction to be included in a block. It is empty for blocks before London hard fork.

extra_data

String(66)

Arbitrary binary data included by a miner of a block.

Column	Data Type	Description
block	Integer	Block number (foreign key used to join with the BLOCKS table).
timestamp	Timestamp (UTC)	Block timestamp inherited from the BLOCKS table.
tx_index	Integer	Sequential number of the transaction within the block (starting from 0).
tx_hash	String(66)	Transaction hash (the primary key).
tx_type	Integer	Transaction type. Allowed types are: 0 - legacy transactions that use the transaction format existing before typed transactions were introduced 1 - transactions introduced in EIP-2930 that contain an accessList parameter 2 - transactions introduced in EIP-1559, included in Ethereum's London fork
from_address	String(42)	Calling address (transaction sender). It is always an Externally Owned Address.
nonce	Integer	Sender counter of signed transactions, used to avoid sending the same transaction twice.
to_address	String(42)	Called address (call receiver). In case of a pure Ether transfer it can be an EOA or smart contract. In case of function calls it should be always a smart contract.
tx_value	BigInteger	Value of Ether transferred along the transaction, expressed in WEI. It must be divided by 10 to the power of 18 to be transformed to Ether units. This value can be zero if no Ether is transferred.
call_data	String	Transaction call data (hex)
return_value	String	Transaction return value (hex)
max_fee_per_gas	BigInteger	The maximum fee the transaction sender is willing to pay for the gas (base fee + priority fee) (post London fork).
max_priority_fee_per_gas	BigInteger	Gas "tip" included in the transaction to additionally incentivise miners (post London fork).
max_priority_fee_per_data_gas	BigInteger	Maximum amount of gas paid for the blobs of data stored on-chain (post EIP 4844)
gas_limit	BigInteger	Maximum amount of gas that can be used before the transaction is reverted, expressed in gas units.
gas_price	BigInteger	The amount of Ether the transaction sender wants to pay per unit of gas as a fee to the miner, expressed in WEI.
gas_used	BigInteger	Gas amount actually used by the transaction, expressed in gas units.
gas_refund	BigInteger	Total gas amount returned after the transaction execution, expressed in gas units.
exception_error	String	Error description generated by the Ethereum Virtual Machine in the case of failed transactions. Empty for successful transactions.
revert_reason	String	Error description provided by the smart contract in case of the reverted transactions. Empty for successful transactions.
status	Boolean	Information if the transaction execution was persistent (True) or reverted (False). Reverts can originate from technical failures (code errors), gas limits (more gas needed than was staked) or contract logic.

Column

Data Type

Description

block

Integer

Block number (foreign key used to join with the BLOCKS table).

timestamp

Timestamp (UTC)

Block timestamp inherited from the BLOCKS table.

tx_index

Integer

Sequential number of the transaction within the block (starting from 0).

tx_hash

String(66)

Transaction hash (the primary key).

tx_type

Integer

Transaction type. Allowed types are:

0 - legacy transactions that use the transaction format existing before typed transactions were introduced
1 - transactions introduced in EIP-2930 that contain an accessList parameter
2 - transactions introduced in EIP-1559, included in Ethereum's London fork

from_address

String(42)

Calling address (transaction sender). It is always an Externally Owned Address.

nonce

Integer

Sender counter of signed transactions, used to avoid sending the same transaction twice.

to_address

String(42)

Called address (call receiver). In case of a pure Ether transfer it can be an EOA or smart contract. In case of function calls it should be always a smart contract.

tx_value

BigInteger

Value of Ether transferred along the transaction, expressed in WEI. It must be divided by 10 to the power of 18 to be transformed to Ether units.

This value can be zero if no Ether is transferred.

call_data

String

Transaction call data (hex)

return_value

String

Transaction return value (hex)

max_fee_per_gas

BigInteger

The maximum fee the transaction sender is willing to pay for the gas (base fee + priority fee) (post London fork).

max_priority_fee_per_gas

BigInteger

Gas "tip" included in the transaction to additionally incentivise miners (post London fork).

max_priority_fee_per_data_gas

BigInteger

Maximum amount of gas paid for the blobs of data stored on-chain (post EIP

4844)

gas_limit

BigInteger

Maximum amount of gas that can be used before the transaction is reverted, expressed in gas units.

gas_price

BigInteger

The amount of Ether the transaction sender wants to pay per unit of gas as a fee to the miner, expressed in WEI.

gas_used

BigInteger

Gas amount actually used by the transaction, expressed in gas units.

gas_refund

BigInteger

Total gas amount returned after the transaction execution, expressed in gas units.

exception_error

String

Error description generated by the Ethereum Virtual Machine in the case of failed transactions. Empty for successful transactions.

revert_reason

String

Error description provided by the smart contract in case of the reverted transactions. Empty for successful transactions.

status

Boolean

Information if the transaction execution was persistent (True) or reverted (False). Reverts can originate from technical failures (code errors), gas limits (more gas needed than was staked) or contract logic.

Column	Data Type	Description
block	Integer	Block number (foreign key used to join with the BLOCKS table).
timestamp	Timestamp (UTC)	Block timestamp inherited from the BLOCKS table.
call_id	Integer	Unique call identifier (primary key). It is constructed by concatenating the block number with the transaction number and the call path.
tx_hash	String(66)	Transaction hash (foreign key used to join with the TRANSACTIONS table).
call_path	String	Position of the call in the transaction execution tree. Top level calls have empty path. Every other call is marked as [parent call_path] underscore [sub call number starting with 0]. For example call_path '0_2_1' means second subcall of third subcall of first subcall in a transaction.
call_type	String	Enumeration of possible call types: CALL - standard function call CALLCODE - allows a contract to invoke a function from another contract while maintaining the context of the calling contract, was replaced by DELEGATECALL due to security concerns DELEGATECALL - executes the code of the called contract in the context of calling contract operating on its storage STATICCALL - function call that is not allowed to change the storage CREATE - deployment of a new contract (CALL_DATA contains the contract code and constructor arguments) SELFDESTRUCT - contract destruction call
from_address	String(42)	Calling address (call sender). For top level call it is always an Externally Owned Address. For other calls it is always a smart contract.
to_address	String(42)	Called address (call receiver). In case of a pure Ether transfer it can be an EOA or smart contract. In case of function calls it should be always a smart contract. If the call type is DELEGATECALL this address is used as a code library that is executed in the context of a calling address.
call_value	BigInteger	Value of Ether transferred along the call, expressed in WEI. It be divided by 10 to the power of 18 to be transformed to Ether units. This value can be zero if no Ether is transferred.
call_data	String	Call binary payload that is sent to the called contract. Typically it contains the function signature (first 8 bytes) and ABI encoded arguments. In practice it can be any binary data that is stored on the blockchain (e.g. L2 rollup data or just an 'Ethereum grafitti'). It can also be empty if no function is called (e.g. for a pure Ether transfer)
return_value	String
created_address	String(42)	Created address in the case of CREATE call. Not used for other call types.
created_code	String
storage_address	String(42)	Address of the storage affected by the call, depending of the call type. For example for DELEGATECALL it is the storage of the calling contract.
call_gas	BigInteger	Gas staked by the call before its execution. Maximum amount that can be used before the call is reverted. It is expressed in gas units.
gas_used	BigInteger	Gas amount actually used by the call. It is expressed in gas units.
gas_refund	BigInteger	Gas amount returned after the call execution. It is expressed in gas units.
exception_error	String	Error description generated by the Ethereum Virtual Machine in the case of failed calls. Empty for successful calls.
revert_reason	String	Error description provided by the smart contract in case of the reverted calls. Empty for successful calls.
success	Boolean	Information whether the call was successfully executed (True) or failed (False). Successfully executed calls can be reverted by the smart contract logic so this should be used in connection with the STATUS field.
status	Boolean	Information if the calls execution was persistent (True) or reverted (False). Reverts can originate from technical failures (code errors), gas limits (more gas needed than was staked) or contract logic.
order_index	Integer	Technical field that can be used to properly order all actions within a block. This is an integer without any particular meaning except for preserving the sequence of actions (calls, events, diffs). For some types of actions it is the only way to get their actual order.

Column

Data Type

Description

block

Integer

Block number (foreign key used to join with the BLOCKS table).

timestamp

Timestamp (UTC)

Block timestamp inherited from the BLOCKS table.

call_id

Integer

Unique call identifier (primary key). It is constructed by concatenating the block number with the transaction number and the call path.

tx_hash

String(66)

Transaction hash (foreign key used to join with the TRANSACTIONS table).

call_path

String

Position of the call in the transaction execution tree. Top level calls have empty path. Every other call is marked as [parent call_path] underscore [sub call number starting with 0]. For example call_path '0_2_1' means second subcall of third subcall of first subcall in a transaction.

call_type

String

Enumeration of possible call types:

CALL - standard function call
CALLCODE - allows a contract to invoke a function from another contract while maintaining the context of the calling contract, was replaced by DELEGATECALL due to security concerns
DELEGATECALL - executes the code of the called contract in the context of calling contract operating on its storage
STATICCALL - function call that is not allowed to change the storage
CREATE - deployment of a new contract (CALL_DATA contains the contract code and constructor arguments)
SELFDESTRUCT - contract destruction call

from_address

String(42)

Calling address (call sender). For top level call it is always an Externally Owned Address. For other calls it is always a smart contract.

to_address

String(42)

Called address (call receiver). In case of a pure Ether transfer it can be an EOA or smart contract. In case of function calls it should be always a smart contract. If the call type is DELEGATECALL this address is used as a code library that is executed in the context of a calling address.

call_value

BigInteger

Value of Ether transferred along the call, expressed in WEI. It be divided by 10 to the power of 18 to be transformed to Ether units. This value can be zero if no Ether is transferred.

call_data

String

Call binary payload that is sent to the called contract. Typically it contains the function signature (first 8 bytes) and ABI encoded arguments. In practice it can be any binary data that is stored on the blockchain (e.g. L2 rollup data or just an 'Ethereum grafitti'). It can also be empty if no function is called (e.g. for a pure Ether transfer)

return_value

String

created_address

String(42)

Created address in the case of CREATE call. Not used for other call types.

created_code

String

storage_address

String(42)

Address of the storage affected by the call, depending of the call type. For example for DELEGATECALL it is the storage of the calling contract.

call_gas

BigInteger

Gas staked by the call before its execution. Maximum amount that can be used before the call is reverted. It is expressed in gas units.

gas_used

BigInteger

Gas amount actually used by the call. It is expressed in gas units.

gas_refund

BigInteger

Gas amount returned after the call execution. It is expressed in gas units.

exception_error

String

Error description generated by the Ethereum Virtual Machine in the case of failed calls. Empty for successful calls.

revert_reason

String

Error description provided by the smart contract in case of the reverted calls. Empty for successful calls.

success

Boolean

Information whether the call was successfully executed (True) or failed (False). Successfully executed calls can be reverted by the smart contract logic so this should be used in connection with the STATUS field.

status

Boolean

Information if the calls execution was persistent (True) or reverted (False). Reverts can originate from technical failures (code errors), gas limits (more gas needed than was staked) or contract logic.

order_index

Integer

Technical field that can be used to properly order all actions within a block. This is an integer without any particular meaning except for preserving the sequence of actions (calls, events, diffs). For some types of actions it is the only way to get their actual order.

Column	Data Type	Description
block	Integer	Block number (foreign key used to join with the BLOCKS table).
timestamp	Timestamp (UTC)	Block timestamp inherited from the BLOCKS table.
tx_hash	String(66)	Transaction hash (foreign key used to join with the TRANSACTIONS table).
log_index	Integer	Index of the event within a block. All successfully emitted events of a given block are stored as a sequence starting form LOG_INDEX number 0. For reverted events they are not stored on-chain and do not have LOG_INDEX.
call_id	Integer	Identifier of the call that emitted the event (foreign key used to join with the CALLS table).
contract	String(42)	Address of the smart contract that emitted the event. In case of DELEGATECALLS event is emitted by the calling contract but the its semantics (ABI) is defined by the called contract.
log_data	String	Raw hexadecimal content of the event.
topic0	String	Raw hexadecimal indexed content of the event. For standard events Topic 0 is an event signature.
topic1	String	Raw hexadecimal indexed content of the event.
topic2	String	Raw hexadecimal indexed content of the event.
topic3	String	Raw hexadecimal indexed content of the event.
status	Boolean	Information if the calls execution was persistent (True) or reverted (False). Reverts can originate from technical failures (code errors), gas limits (more gas needed than was staked) or contract logic.
order_index	Integer	Technical field that can be used to properly order all actions within a block. This is an integer without any particular meaning except for preserving the sequence of actions (calls, events, diffs). For some types of actions it is the only way to get their actual order.

Column

Data Type

Description

block

Integer

Block number (foreign key used to join with the BLOCKS table).

timestamp

Timestamp (UTC)

Block timestamp inherited from the BLOCKS table.

tx_hash

String(66)

Transaction hash (foreign key used to join with the TRANSACTIONS table).

log_index

Integer

Index of the event within a block. All successfully emitted events of a given block are stored as a sequence starting form LOG_INDEX number 0. For reverted events they are not stored on-chain and do not have LOG_INDEX.

call_id

Integer

Identifier of the call that emitted the event (foreign key used to join with the CALLS table).

contract

String(42)

Address of the smart contract that emitted the event. In case of DELEGATECALLS event is emitted by the calling contract but the its semantics (ABI) is defined by the called contract.

log_data

String

Raw hexadecimal content of the event.

topic0

String

Raw hexadecimal indexed content of the event. For standard events Topic 0 is an event signature.

topic1

String

Raw hexadecimal indexed content of the event.

topic2

String

Raw hexadecimal indexed content of the event.

topic3

String

Raw hexadecimal indexed content of the event.

status

Boolean

Information if the calls execution was persistent (True) or reverted (False). Reverts can originate from technical failures (code errors), gas limits (more gas needed than was staked) or contract logic.

order_index

Integer

Technical field that can be used to properly order all actions within a block. This is an integer without any particular meaning except for preserving the sequence of actions (calls, events, diffs). For some types of actions it is the only way to get their actual order.

Column	Data Type	Description
block	Integer	Block number (foreign key used to join with the BLOCKS table).
timestamp	Timestamp (UTC)	Block timestamp inherited from the BLOCKS table.
tx_hash	String(66)	Transaction hash (foreign key used to join with the TRANSACTIONS table).
call_id	Integer	Call identifier (foreign key used to join with the CALLS table).
address	String(42)	Blockchain address that the change applies to.
state_field	String	Name of the state filed that is being changed. Allowed names are: balance - Ether balance of the address nonce - number starting form 0 and increased with every new signed transaction codeHash - hash of a bytecode in case if a contract is deployed at the address
reason	String	Reason for the state change. Allowed values for BALANCE field are: genesis - balance changes introduced at the genesis block eth transfer - transfers of Ether gas stake - staking gas before transaction unused gas - returned gas after transaction miner gas - gas feed paid to the miner block reward - Ether minted for the miner as a reward for a block uncle reward - Ether minted for the miner as a reward for an uncle withdrawal - Ether withdrawn from the beacon chain Allowed values for NONCE field are: nonce change - nonce increase due to a signed transaction contract creation - nonce change from 0 to 1 for a newly created contract Allowed values for CODE HASH field are: contract creation - storing code due to a contract creation contract destruction - removing code due to a contract destruction
prev_value	String(66)	State field value before the change.
curr_value	String(66)	State field value after the change.
status	Boolean	Information if the state change was persistent (True) or reverted (False). Reverts can originate from technical failures (code errors), gas limits (more gas needed than was staked) or contract logic.
order_index	Integer	Technical field that can be used to properly order all actions within a block. This is an integer without any particular meaning except for preserving the sequence of actions (calls, events, diffs). For some types of actions it is the only way to get their actual order.

Column

Data Type

Description

block

Integer

Block number (foreign key used to join with the BLOCKS table).

timestamp

Timestamp (UTC)

Block timestamp inherited from the BLOCKS table.

tx_hash

String(66)

Transaction hash (foreign key used to join with the TRANSACTIONS table).

call_id

Integer

Call identifier (foreign key used to join with the CALLS table).

address

String(42)

Blockchain address that the change applies to.

state_field

String

Name of the state filed that is being changed. Allowed names are:

balance - Ether balance of the address
nonce - number starting form 0 and increased with every new signed transaction
codeHash - hash of a bytecode in case if a contract is deployed at the address

reason

String

Reason for the state change.

Allowed values for BALANCE field are:

genesis - balance changes introduced at the genesis block
eth transfer - transfers of Ether
gas stake - staking gas before transaction
unused gas - returned gas after transaction
miner gas - gas feed paid to the miner
block reward - Ether minted for the miner as a reward for a block
uncle reward - Ether minted for the miner as a reward for an uncle
withdrawal - Ether withdrawn from the beacon chain

Allowed values for NONCE field are:

nonce change - nonce increase due to a signed transaction
contract creation - nonce change from 0 to 1 for a newly created contract

Allowed values for CODE HASH field are:

contract creation - storing code due to a contract creation
contract destruction - removing code due to a contract destruction

prev_value

String(66)

State field value before the change.

curr_value

String(66)

State field value after the change.

status

Boolean

Information if the state change was persistent (True) or reverted (False). Reverts can originate from technical failures (code errors), gas limits (more gas needed than was staked) or contract logic.

order_index

Integer

Technical field that can be used to properly order all actions within a block. This is an integer without any particular meaning except for preserving the sequence of actions (calls, events, diffs). For some types of actions it is the only way to get their actual order.

Column	Type	Description
block	Integer	Block number (foreign key used to join with the BLOCKS table).
timestamp	Timestamp (UTC)	Block timestamp inherited from the BLOCKS table.
tx_hash	String(66)	Transaction hash (foreign key used to join with the TRANSACTIONS table).
call_id	Integer	Call identifier (foreign key used to join with the CALLS table).
contract	String(42)	Address of a contract that the change applies to.
location	String	Pre-hashed memory location, including the slot number and keys used for mappings.
prev_value	String(66)	Raw storage value before the change.
curr_value	String(66)	Raw storage value after the change.
status	Boolean	Information if the storage change was persistent (True) or reverted (False). Reverts can originate from technical failures (code errors), gas limits (more gas needed than was staked) or contract logic.
order_index	Integer	Technical field that can be used to properly order all actions within a block. This is an integer without any particular meaning except for preserving the sequence of actions (calls, events, diffs). For some types of actions it is the only way to get their actual order.

Column

Type

Description

block

Integer

Block number (foreign key used to join with the BLOCKS table).

timestamp

Timestamp (UTC)

Block timestamp inherited from the BLOCKS table.

tx_hash

String(66)

Transaction hash (foreign key used to join with the TRANSACTIONS table).

call_id

Integer

Call identifier (foreign key used to join with the CALLS table).

contract

String(42)

Address of a contract that the change applies to.

location

String

Pre-hashed memory location, including the slot number and keys used for mappings.

prev_value

String(66)

Raw storage value before the change.

curr_value

String(66)

Raw storage value after the change.

status

Boolean

Information if the storage change was persistent (True) or reverted (False). Reverts can originate from technical failures (code errors), gas limits (more gas needed than was staked) or contract logic.

order_index

Integer

Technical field that can be used to properly order all actions within a block. This is an integer without any particular meaning except for preserving the sequence of actions (calls, events, diffs). For some types of actions it is the only way to get their actual order.

Token Flow

ETH Data Model (Beta)

Decoded Data

Blocks

Transactions

Calls

Events

State_diffs

Storage_diffs

Raw Data

Blocks

Transactions

Calls

Events

State_diffs

Storage_diffs