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An [NU5 onward] consensus rule requiring the `nConsensusBranchId` field to match 

the consensus branch ID used for SIGHASH transaction hashes, should apply only
when effectiveVersion ≥ 5 (since v4 transactions did not explicitly encode the
`nConsensusBranchId` field.

Signed-off-by: Daira Hopwood <daira@jacaranda.org>
This commit is contained in:
Daira Hopwood 2022-06-06 18:40:58 +01:00
parent 17042258cd
commit b12bb61103
1 changed files with 12 additions and 4 deletions
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16
protocol/protocol.tex
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@ -12575,8 +12575,8 @@ in \cite{ZIP-239}.
\nufiveonwarditem{The \transactionVersionNumber \MUST be $4$ or $5$.
If the \transactionVersionNumber{} is $4$ then the \versionGroupID \MUST be $\hexint{892F2085}$.
If the \transactionVersionNumber{} is $5$ then the \versionGroupID \MUST be $\hexint{26A7270A}$.}
\nufiveonwarditem{The \nConsensusBranchId{} field \MUST match the \consensusBranchID used for
\sighashTxHashes, as specified in \cite{ZIP-244}.}
\nufiveonwarditem{If $\effectiveVersion \geq 5$, the \nConsensusBranchId{} field \MUST match the
\consensusBranchID used for \sighashTxHashes, as specified in \cite{ZIP-244}.}
\presaplingitem{The encoded size of the \transaction \MUST be less than or equal to
$100000$ bytes.}
\nufiveonwarditem{\nSpendsSapling, \nOutputsSapling, and \nActionsOrchard{} \MUST all be less
@ -14635,11 +14635,19 @@ Peter Newell's illustration of the Jubjub bird, from \cite{Carroll1902}.
\intropart
\lsection{Change History}{changehistory}
\historyentry{2022.3.2}{2022-05-11}
\historyentry{2022.3.2}{}
\begin{itemize}
\item \nufive{Set $\NUFiveActivationHeight$ for \Testnet and \Mainnet.}
\nufive{
\item Set $\NUFiveActivationHeight$ for \Testnet and \Mainnet.
\item An [\NUFive onward] consensus rule requiring the \nConsensusBranchId{}
field to match the \consensusBranchID used for \sighashTxHashes, should
apply only when $\effectiveVersion \geq 5$ (since v4 \transactions did
not explicitly encode the \nConsensusBranchId{} field).
}
\item No changes before \NUFive.
\end{itemize}
\historyentry{2022.3.1}{2022-04-28}
\begin{itemize}
\nufive{