| event_type | VARCHAR | Type of deposit (delegator_stake, validator_stake, validator_restake) |
| amount | DECIMAL | Amount of MATIC (POL) tokens deposited in the transaction (as decimal) |
| amount_str | VARCHAR | String representation of MATIC (POL) tokens deposited, preserving full precision |
| staker_address | VARCHAR | Ethereum address of the account that made the stake |
| validator_id | INTEGER | ID of the validator receiving the stake |
| transaction_hash | VARCHAR | Unique hash of the Ethereum transaction containing the stake |
| transaction_index | INTEGER | Index of the transaction within its block |
| log_index | INTEGER | Index of the event log within the transaction |
| block_timestamp | TIMESTAMP | Timestamp when the block containing the stake was mined |
| block_number | INTEGER | Block number containing the stake transaction |
| block_hash | VARCHAR | Hash of the block containing the stake transaction |
| _created_at | TIMESTAMP | Timestamp of when the record was created |
| _updated_at | TIMESTAMP | Timestamp of when the record was updated |