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separate block header in a different table

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Andreas M. Antonopoulos 2014-06-28 12:27:49 -04:00
parent bf5fbb5dd5
commit 4a010418db
1 changed files with 11 additions and 3 deletions
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@ -55,15 +55,23 @@ $ bitcoind getblock 000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8c
|Size| Field | Description
| 4 bytes | Magic Number | A constant (0xD9B4BEF9) used to easily recognize bitcoin blocks
| 4 bytes | Block Size | The size of the block, in bytes, following this field
| Block Header ||
| 80 bytes | Block Header | Several fields form the block header (see below)
| 1-9 bytes (VarInt) | Transaction Counter | How many transactions follow
| Variable | Transactions | The transactions recorded in this block
|=======
[[block_structure]]
.The structure of the block header
[options="header"]
|=======
|Size| Field | Description
| 4 bytes | Version | A version number to track software/protocol upgrades
| 32 bytes | Previous Block Hash | A reference to the hash of the previous (parent) block in the chain
| 32 bytes | Merkle Root | A hash of the root of the Merkle-Tree of this block's transactions
| 4 bytes | Timestamp | The approximate creation time of this block (seconds from Unix Epoch)
| 4 bytes | Difficulty Target | The proof-of-work algorithm difficulty target for this block
| 4 bytes | Nonce | A counter used for the proof-of-work algorithm
| 1-9 bytes (VarInt) | Transaction Counter | How many transactions follow
| Variable | Transactions | The transactions recorded in this block
|=======