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Only enable min-difficulty blocks on testnet from a particular height

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The min-difficulty change is a bilateral consensus rule change, and so
must be conditionally enabled in order for the earlier section of the
chain to synchronise.

Technically this could be implemented as a network upgrade, but as this will
never be deployed to mainnet, a targeted fork will suffice.
This commit is contained in:
Jack Grigg
2018-10-04 14:05:27 +01:00
parent 1702a86455
commit b86dc98047
4 changed files with 11 additions and 7 deletions
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6
src/chainparams.cpp
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@@ -95,7 +95,7 @@ public:
consensus.nPowMaxAdjustDown = 32; // 32% adjustment down
consensus.nPowMaxAdjustUp = 16; // 16% adjustment up
consensus.nPowTargetSpacing = 2.5 * 60;
consensus.fPowAllowMinDifficultyBlocks = false;
consensus.nPowAllowMinDifficultyBlocksFromHeight = boost::none;
consensus.vUpgrades[Consensus::BASE_SPROUT].nProtocolVersion = 170002;
consensus.vUpgrades[Consensus::BASE_SPROUT].nActivationHeight =
Consensus::NetworkUpgrade::ALWAYS_ACTIVE;
@@ -272,7 +272,7 @@ public:
consensus.nPowMaxAdjustDown = 32; // 32% adjustment down
consensus.nPowMaxAdjustUp = 16; // 16% adjustment up
consensus.nPowTargetSpacing = 2.5 * 60;
consensus.fPowAllowMinDifficultyBlocks = true;
consensus.nPowAllowMinDifficultyBlocksFromHeight = 299187;
consensus.vUpgrades[Consensus::BASE_SPROUT].nProtocolVersion = 170002;
consensus.vUpgrades[Consensus::BASE_SPROUT].nActivationHeight =
Consensus::NetworkUpgrade::ALWAYS_ACTIVE;
@@ -393,7 +393,7 @@ public:
consensus.nPowMaxAdjustDown = 0; // Turn off adjustment down
consensus.nPowMaxAdjustUp = 0; // Turn off adjustment up
consensus.nPowTargetSpacing = 2.5 * 60;
consensus.fPowAllowMinDifficultyBlocks = true;
consensus.nPowAllowMinDifficultyBlocksFromHeight = 0;
consensus.vUpgrades[Consensus::BASE_SPROUT].nProtocolVersion = 170002;
consensus.vUpgrades[Consensus::BASE_SPROUT].nActivationHeight =
Consensus::NetworkUpgrade::ALWAYS_ACTIVE;