A block contains multiple transactions which in term contain multiple instructions.

Learn more in the official Solana documentation here.

Table Columns

Column NameDescriptionTypeExampleColumn Name
block_slotThe slot of the block containing the tx.number159292973

block_

height

The height of the block containing the tx.number123292963
block_timestampThe timestamp of the block containing the tx.timestamp_ntz
block_hashThe hash of the block containing the tx.varchar5X6zcnNw6HSAn4X8GaMnzBp8JnWPcNHoAThFwFN1oeph
txn_idUnique base58 identifier of the transactionvarchar5Bc8KuxsmRCiLkBJhL7wYuTsawUiux2enj4xYr7FsPG7eUxVoCPKwqj9LcCAvTztA2drUJghUBTqo8C62qpRMM4H
txn_indexThe index of this tx within the block. Used for strict ordering of transactionsnumber5
signaturesarray of signatures for this transaction. usually, the initiator of the tx and fee payor is assumed to be signatures[0]variant[“4pGL1btb5pL8ir7nQZdt9uxpkaFTi8aUHRigo2QA1MMgXwb2SzLumGkoy7TLfo6Dv6zvaMj7yjBYxv2TU3wxzBRY”]
feeFee this transaction was chargednumber5000
errJSON with info about a transaction error, if a tx fail. Null for a successful tx.varcharNull/
{ "InstructionError": [ 0, "InvalidArgument" ] }
account_keysAccounts needed for the txvariant[key1, key2, key3, key4, …]
recent_block_hashA recent block hash in the past, used as a noncevarchar47S8ZnTiR1my1HqEfdWe9f9XqThW6svjqUwXF5N2ZBBk
signerfirst pubkey of account_keysvarcharkey1
log_messagesarray of string log messages or null if log message recording was not enabled during this transactionvariant”Program 11111111111111111111111111111111 invoke [1]”, “Program 11111111111111111111111111111111 success”, “Program TokenkegQfeZyiNwAJbNbGKPFXCWuBvf9Ss623VQ5DA invoke [1]”, “Program log: Instruction: InitializeMint”,
pre_token_balancesList of token balances from before the transaction was processedvariant[a,b,c]
post_token_balancesList of token balances from after the transaction was processedvariant[a,b,c]
pre_balancesarray of u64 account balances from before the transaction was processedvariant[a,b,c]
post_balancesarray of u64 account balances after the transaction was processedvariant[a,b,c]
successindicates if the transaction was successfulbooleantrue/false

Table Columns

Column NameDescriptionSample ValueColumn Name
block_timestampThe time when the block was included on the blockchain.2022-09-15 13:51:47
block_numberThe length of the chain, in blocks.15539508
block_hashUnique identifier for that block.0x25680259dfb40b4ee724ae22fda01a34e6d598c5f2fc25b6d871cb56c488de70
parent_hashUnique identifier of the block preceding this block, also known as the parent block.0x46707e33e9dca09ec95f0fc8b996e3bbce3ad3e02ea270939207bab1f809066f

Table Columns

Column NameDescriptionSample ValueColumn Name
block_timestampThe time when the block was included on the blockchain.2022-09-15 13:51:47
block_numberThe length of the chain, in blocks.15539508
block_hashUnique identifier for that block.0x25680259dfb40b4ee724ae22fda01a34e6d598c5f2fc25b6d871cb56c488de70
parent_hashUnique identifier of the block preceding this block, also known as the parent block.0x46707e33e9dca09ec95f0fc8b996e3bbce3ad3e02ea270939207bab1f809066f
gas_limitGas limit of the current block.30000000
gas_usedTotal gas used in the block.6999860
minerProof of Stake
Address receiving fees from transactions in this block

Proof of Work
Address of the miner that mined this block.
0x388c818ca8b9251b393131c08a736a67ccb19297
transaction_countNumber of transactions included in this block.95
nonceProof of Stake
Unused post Merge. The value will always be 0x0000000000000000

Proof of Work
Used to demonstrate proof of work during mining
0x090c1db284e8b101
difficultyThe effort required to mine this block.

Proof of Stake
Always 0
11594723311525902
total_difficultyTotal difficulty of the chain until this block.58750003716598352816469
sizeThe size of the block, in bytes, as determined by the gas_limit.23628
base_fee_per_gasPost London Upgrade (EIP1559), this represents the minimum gas_used required for a transaction to be included in a block.

Represented in wei.
10966453825
gas_limitGas limit of the current block.30000000
gas_usedTotal gas used in the block.6999860
minerProof of Stake
Address receiving fees from transactions in this block

Proof of Work
Address of the miner that mined this block.
0x388c818ca8b9251b393131c08a736a67ccb19297
transaction_countNumber of transactions included in this block.95
nonceProof of Stake
Unused post Merge. The value will always be 0x0000000000000000

Proof of Work
Used to demonstrate proof of work during mining
0x090c1db284e8b101
difficultyThe effort required to mine this block.

Proof of Stake
Always 0
11594723311525902
total_difficultyTotal difficulty of the chain until this block.58750003716598352816469
sizeThe size of the block, in bytes, as determined by the gas_limit.23628
base_fee_per_gasPost London Upgrade (EIP1559), this represents the minimum gas_used required for a transaction to be included in a block.

Represented in wei.
10966453825