Transactions

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

Learn more in the official Solana documentation here.

Table Columns

Column Name
Description
Example

block_slot

The slot of the block containing the tx.

159292973

block_

height

The height of the block containing the tx.

123292963

block_timestamp

The timestamp of the block containing the tx.

block_hash

The hash of the block containing the tx.

5X6zcnNw6HSAn4X8GaMnzBp8JnWPcNHoAThFwFN1oeph

txn_id

Unique base58 identifier of the transaction

5Bc8KuxsmRCiLkBJhL7wYuTsawUiux2enj4xYr7FsPG7eUxVoCPKwqj9LcCAvTztA2drUJghUBTqo8C62qpRMM4H

txn_index

The index of this tx within the block. Used for strict ordering of transactions

5

signatures

array of signatures for this transaction. usually, the initiator of the tx and fee payor is assumed to be signatures[0]

["4pGL1btb5pL8ir7nQZdt9uxpkaFTi8aUHRigo2QA1MMgXwb2SzLumGkoy7TLfo6Dv6zvaMj7yjBYxv2TU3wxzBRY"]

fee

Fee this transaction was charged

5000

err

JSON with info about a transaction error, if a tx fail. Null for a successful tx.

Null/ { "InstructionError": [ 0, "InvalidArgument" ] }

account_keys

Accounts needed for the tx

[key1, key2, key3, key4, ...]

recent_block_hash

A recent block hash in the past, used as a nonce

47S8ZnTiR1my1HqEfdWe9f9XqThW6svjqUwXF5N2ZBBk

signer

first pubkey of account_keys

key1

log_messages

array of string log messages or null if log message recording was not enabled during this transaction

"Program 11111111111111111111111111111111 invoke [1]", "Program 11111111111111111111111111111111 success", "Program TokenkegQfeZyiNwAJbNbGKPFXCWuBvf9Ss623VQ5DA invoke [1]", "Program log: Instruction: InitializeMint",

pre_token_balances

[a,b,c]

post_token_balances

[a,b,c]

pre_balances

array of u64 account balances from before the transaction was processed

[a,b,c]

post_balances

array of u64 account balances after the transaction was processed

[a,b,c]

success

indicates if the transaction was successful

true/false

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