BitcoinCash/specification
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2019-12-05 13:48:13 -05:00
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protocol/misc/endian.md
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# Endianness
## Little
## Big
protocol/network/messages/version.md
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| Field | Length | Format | Description | | Field | Length | Format | Description |
|--|--|--|--| |--|--|--|--|
| version | 4 bytes | uint | The version number supported by the sending node. | | version | 4 bytes | unsigned integer (LE) | The version number supported by the sending node. |
| services | 8 bytes | bitmask | An indication of the services supported by the sending node. See Services Bitmask section below. | | services | 8 bytes | bitmask<sup>[(LE)](/protocol/misc/endian#little)</sup> | An indication of the services supported by the sending node. See Services Bitmask section below. |
| timestamp | 8 bytes | unix timestamp | The time the message was generated on the sending node. | | timestamp | 8 bytes | unix timestamp (LE) | The time the message was generated on the sending node. |
| remote address | 26 bytes | network address | The network address of the remote node. <p>_NOTE: this does not contain the timestamp normally included with network addresses._</p> | | remote address | 26 bytes | network address | The network address of the remote node. <p>_NOTE: this does not contain the timestamp normally included with network addresses._</p> |
| local address | 26 bytes | network address | The network address of the sending node. <p>_NOTE: this does not contain the timestamp normally included with network addresses._</p> | | local address | 26 bytes | network address | The network address of the sending node. <p>_NOTE: this does not contain the timestamp normally included with network addresses._</p> |
| nonce | 8 bytes | big-endian bytes | Random nonce for the connection, used to detect connections to self. | | nonce | 8 bytes | bytes (LE) | Random nonce for the connection, used to detect connections to self. |
| user agent | variable | user agent string | A user agent string identifying the node implementation. | | user agent | variable | user agent string | A user agent string identifying the node implementation. |
| block height | 4 bytes | uint | The height of the block with the highest height known to the sending node. | | block height | 4 bytes | unsigned integer (LE) | The height of the block with the highest height known to the sending node. |
| relay flag | 1 byte | boolean | Indicates whether the sending node would like all broadcasted transactions relayed to it. See [BIP-37](https://github.com/bitcoin/bips/blob/master/bip-0037.mediawiki). | | relay flag | 1 byte | boolean | Indicates whether the sending node would like all broadcasted transactions relayed to it. See [BIP-37](https://github.com/bitcoin/bips/blob/master/bip-0037.mediawiki). |
## Services Bitmask ## Services Bitmask