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dido:public:s_cli:05_contents:03_prt:08_basic_dido_objects:01_block:start
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Table of Contents
Block Class
The Block Class represents a block used by Ethereum Blockchain. A block is a package of data that contains zero or more transactions.
Figure 1: The Ethereum Block Class
id
| Description | The unique id for the Block |
|---|---|
| Datatype | BlockHashType |
| Example | 0x000000708550f340a1297eefe721a3b0631d8dc4cc5a3462abaeef1a79726f6b |
number
| Description | Block height (indicates the lenght of the blockchain) |
|---|---|
| Datatype | BlockHeightType |
| Example | 5537029 |
hash
| Description | Hash of the Block Headwr |
|---|---|
| Datatype | HashType |
| Example | 0x000000708550f340a1297eefe721a3b0631d8dc4cc5a3462abaeef1a79726f6b |
parent Hash
| Description | Hash of the preceding Block |
|---|---|
| Datatype | HashType |
| Example | 0x3102ee1ed005d33fecb07105fb36d4b3113f6cf0c8a87316095bbc2fb15f717d |
nonce
| Description | Value in a block which can be adjusted in order to try to satisfy the proof of work condition. Guard against replay attacks. |
|---|---|
| Datatype | NounceType |
| Example | 0x7cd714340ea379db |
step
| Description | |
|---|---|
| Datatype | |
| Example |
signature
| Description | The identifier of the sender. This is generated when the sender's private key signs the transaction and confirms the sender has authorised this transaction |
|---|---|
| Datatype | |
| Example |
sha3 Uncles
| Description | SHA3 hash of the uncles data in the block |
|---|---|
| Datatype | |
| Example | 0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347 |
logs Bloom
| Description | A kind of index about the data contained in the block, used in native queries to the blockchain via the node |
|---|---|
| Datatype | |
| Example | 0x22293840281b28808259200ec8300080202058ac0a10094400002f01002a84680808027610e5cd202212068002310c4212536420008584840040220000e1280 c024002412902149d5110490881048895540e410200a84140801343e40305109008200620024e401012484010000908010344a0044e2da0e44004101505b42020 3320900050010082942001010404d01413a0803152c802b4cc048000000ea0000204165e004961341750a0095d40980400008413000280020b32c040041c50032 01a0702090c62120031000408002202280a200c900a808504000026200460090071011220e68c4c04008ce19423e9a4d26e6222008000810428100408004114 |
transaction Root
| Description | A kind of index about the data contained in the block, used in native queries to the blockchain via the node |
|---|---|
| Datatype | |
| Example |
state Root
| Description | A kind of index about the data contained in the block, used in native queries to the blockchain via the node |
|---|---|
| Datatype | |
| Example |
receipts Root
| Description | A kind of index about the data contained in the block, used in native queries to the blockchain via the node |
|---|---|
| Datatype | |
| Example |
miner
| Description | Miner address that solved the block |
|---|---|
| Datatype | |
| Example |
difficulty
| Description | Difficulty to solve the block |
|---|---|
| Datatype | |
| Example |
total Difficulty
| Description | Difficulty to solve the block |
|---|---|
| Datatype | |
| Example |
extra Data
| Description | Difficulty to solve the block |
|---|---|
| Datatype | |
| Example |
size
| Description | Difficulty to solve the block |
|---|---|
| Datatype | |
| Example |
gas Limit
| Description | Difficulty to solve the block |
|---|---|
| Datatype | |
| Example |
gas Used
| Description | Difficulty to solve the block |
|---|---|
| Datatype | |
| Example |
timestamp
| Description | Difficulty to solve the block |
|---|---|
| Datatype | |
| Example |
uncles
| Description | Difficulty to solve the block |
|---|---|
| Datatype | |
| Example |
seal Fields
| Description | Difficulty to solve the block |
|---|---|
| Datatype | |
| Example |
mix Hash
| Description | Difficulty to solve the block |
|---|---|
| Datatype | |
| Example |
dido/public/s_cli/05_contents/03_prt/08_basic_dido_objects/01_block/start.1623265312.txt.gz · Last modified: 2021/06/09 15:01 by nick
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