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Diffstat (limited to 'bip-0034.mediawiki')
-rw-r--r-- | bip-0034.mediawiki | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/bip-0034.mediawiki b/bip-0034.mediawiki index 245985c..4870fc1 100644 --- a/bip-0034.mediawiki +++ b/bip-0034.mediawiki @@ -2,7 +2,7 @@ BIP: 34 Title: Block v2, Height in Coinbase Author: Gavin Andresen <gavinandresen@gmail.com> - Status: Accepted + Status: Final Type: Standards Track Created: 2012-07-06 </pre> @@ -19,7 +19,7 @@ Bitcoin blocks and transactions are versioned binary structures. Both currently ==Specification== # Treat transactions with a version greater than 1 as non-standard (official Satoshi client will not mine or relay them). -# Add height as the first item in the coinbase transaction's scriptSig, and increase block version to 2. The format of the height is "serialized CScript" -- first byte is number of bytes in the number (will be 0x03 on main net for the next 300 or so years), following bytes are little-endian representation of the number. Height is the height of the mined block in the block chain, where the genesis block is height zero (0). +# Add height as the first item in the coinbase transaction's scriptSig, and increase block version to 2. The format of the height is "serialized CScript" -- first byte is number of bytes in the number (will be 0x03 on main net for the next 150 or so years with 2<sup>23</sup>-1 blocks), following bytes are little-endian representation of the number (including a sign bit). Height is the height of the mined block in the block chain, where the genesis block is height zero (0). # 75% rule: If 750 of the last 1,000 blocks are version 2 or greater, reject invalid version 2 blocks. (testnet3: 51 of last 100) # 95% rule ("Point of no return"): If 950 of the last 1,000 blocks are version 2 or greater, reject all version 1 blocks. (testnet3: 75 of last 100) |