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author | BtcDrak <btcdrak@gmail.com> | 2016-02-19 19:52:31 +0000 |
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committer | BtcDrak <btcdrak@gmail.com> | 2016-03-18 09:28:41 +0000 |
commit | 159ee3dd90490eabf6c048c17a62ffa01f6a0967 (patch) | |
tree | ca7dea2e042c2950f68fd0453697a96129b6234d | |
parent | 9713ed3015da02b0132b665e965fd591689e6510 (diff) | |
download | bitcoin-159ee3dd90490eabf6c048c17a62ffa01f6a0967.tar.xz |
Policy: allow transaction version 2 relay policy.
This commit introduces a way to gracefully bump the default
transaction version in a two step process.
-rw-r--r-- | src/policy/policy.cpp | 2 | ||||
-rw-r--r-- | src/primitives/transaction.h | 7 |
2 files changed, 8 insertions, 1 deletions
diff --git a/src/policy/policy.cpp b/src/policy/policy.cpp index c92a249c17..018b3d25b0 100644 --- a/src/policy/policy.cpp +++ b/src/policy/policy.cpp @@ -58,7 +58,7 @@ bool IsStandard(const CScript& scriptPubKey, txnouttype& whichType) bool IsStandardTx(const CTransaction& tx, std::string& reason) { - if (tx.nVersion > CTransaction::CURRENT_VERSION || tx.nVersion < 1) { + if (tx.nVersion > CTransaction::MAX_STANDARD_VERSION || tx.nVersion < 1) { reason = "version"; return false; } diff --git a/src/primitives/transaction.h b/src/primitives/transaction.h index 07ae39e0b4..9f7d6f3943 100644 --- a/src/primitives/transaction.h +++ b/src/primitives/transaction.h @@ -206,8 +206,15 @@ private: void UpdateHash() const; public: + // Default transaction version. static const int32_t CURRENT_VERSION=1; + // Changing the default transaction version requires a two step process: first + // adapting relay policy by bumping MAX_STANDARD_VERSION, and then later date + // bumping the default CURRENT_VERSION at which point both CURRENT_VERSION and + // MAX_STANDARD_VERSION will be equal. + static const int32_t MAX_STANDARD_VERSION=2; + // The local variables are made const to prevent unintended modification // without updating the cached hash value. However, CTransaction is not // actually immutable; deserialization and assignment are implemented, |