Hush Full Node software. We were censored from Github, this is where all development happens now.
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327 lines
12 KiB
327 lines
12 KiB
// Copyright (c) 2019-2020 The Hush developers
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// Distributed under the GPLv3 software license, see the accompanying
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// file COPYING or https://www.gnu.org/licenses/gpl-3.0.en.html
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#include <gtest/gtest.h>
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#include <gmock/gmock.h>
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#include "consensus/validation.h"
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#include "main.h"
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#include "zcash/Proof.hpp"
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class MockCValidationState : public CValidationState {
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public:
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MOCK_METHOD5(DoS, bool(int level, bool ret,
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unsigned char chRejectCodeIn, std::string strRejectReasonIn,
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bool corruptionIn));
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MOCK_METHOD3(Invalid, bool(bool ret,
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unsigned char _chRejectCode, std::string _strRejectReason));
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MOCK_METHOD1(Error, bool(std::string strRejectReasonIn));
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MOCK_CONST_METHOD0(IsValid, bool());
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MOCK_CONST_METHOD0(IsInvalid, bool());
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MOCK_CONST_METHOD0(IsError, bool());
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MOCK_CONST_METHOD1(IsInvalid, bool(int &nDoSOut));
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MOCK_CONST_METHOD0(CorruptionPossible, bool());
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MOCK_CONST_METHOD0(GetRejectCode, unsigned char());
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MOCK_CONST_METHOD0(GetRejectReason, std::string());
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};
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int32_t futureblock;
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TEST(CheckBlock, VersionTooLow) {
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auto verifier = libzcash::ProofVerifier::Strict();
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CBlock block;
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block.nVersion = 1;
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MockCValidationState state;
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EXPECT_CALL(state, DoS(100, false, REJECT_INVALID, "version-too-low", false)).Times(1);
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EXPECT_FALSE(CheckBlock(&futureblock,0,0,block, state, verifier, false, false));
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}
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// Test that a Sprout tx with negative version is still rejected
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// by CheckBlock under Sprout consensus rules.
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TEST(CheckBlock, BlockSproutRejectsBadVersion) {
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SelectParams(CBaseChainParams::MAIN);
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CMutableTransaction mtx;
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mtx.vin.resize(1);
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mtx.vin[0].prevout.SetNull();
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mtx.vin[0].scriptSig = CScript() << 1 << OP_0;
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mtx.vout.resize(1);
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mtx.vout[0].scriptPubKey = CScript() << OP_TRUE;
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mtx.vout[0].nValue = 0;
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mtx.vout.push_back(CTxOut(
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GetBlockSubsidy(1, Params().GetConsensus())/5,
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Params().GetFoundersRewardScriptAtHeight(1)));
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mtx.fOverwintered = false;
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mtx.nVersion = -1;
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mtx.nVersionGroupId = 0;
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CTransaction tx {mtx};
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CBlock block;
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block.vtx.push_back(tx);
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MockCValidationState state;
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CBlockIndex indexPrev {Params().GenesisBlock()};
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auto verifier = libzcash::ProofVerifier::Strict();
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EXPECT_CALL(state, DoS(100, false, REJECT_INVALID, "bad-txns-version-too-low", false)).Times(1);
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EXPECT_FALSE(CheckBlock(block, state, verifier, false, false));
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}
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class ContextualCheckBlockTest : public ::testing::Test {
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protected:
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virtual void SetUp() {
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SelectParams(CBaseChainParams::MAIN);
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}
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virtual void TearDown() {
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// Revert to test default. No-op on mainnet params.
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UpdateNetworkUpgradeParameters(Consensus::UPGRADE_SAPLING, Consensus::NetworkUpgrade::NO_ACTIVATION_HEIGHT);
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UpdateNetworkUpgradeParameters(Consensus::UPGRADE_OVERWINTER, Consensus::NetworkUpgrade::NO_ACTIVATION_HEIGHT);
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}
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// Returns a valid but empty mutable transaction at block height 1.
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CMutableTransaction GetFirstBlockCoinbaseTx() {
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CMutableTransaction mtx;
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// No inputs.
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mtx.vin.resize(1);
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mtx.vin[0].prevout.SetNull();
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// Set height to 1.
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mtx.vin[0].scriptSig = CScript() << 1 << OP_0;
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// Give it a single zero-valued, always-valid output.
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mtx.vout.resize(1);
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mtx.vout[0].scriptPubKey = CScript() << OP_TRUE;
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mtx.vout[0].nValue = 0;
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// Give it a Founder's Reward vout for height 1.
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mtx.vout.push_back(CTxOut(
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GetBlockSubsidy(1, Params().GetConsensus())/5,
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Params().GetFoundersRewardScriptAtHeight(1)));
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return mtx;
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}
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// Expects a height-1 block containing a given transaction to pass
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// ContextualCheckBlock. This is used in accepting (Sprout-Sprout,
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// Overwinter-Overwinter, ...) tests. You should not call it without
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// calling a SCOPED_TRACE macro first to usefully label any failures.
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void ExpectValidBlockFromTx(const CTransaction& tx) {
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// Create a block and add the transaction to it.
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CBlock block;
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block.vtx.push_back(tx);
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// Set the previous block index to the genesis block.
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CBlockIndex indexPrev {Params().GenesisBlock()};
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// We now expect this to be a valid block.
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MockCValidationState state;
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EXPECT_TRUE(ContextualCheckBlock(block, state, &indexPrev));
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}
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// Expects a height-1 block containing a given transaction to fail
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// ContextualCheckBlock. This is used in rejecting (Sprout-Overwinter,
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// Overwinter-Sprout, ...) tests. You should not call it without
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// calling a SCOPED_TRACE macro first to usefully label any failures.
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void ExpectInvalidBlockFromTx(const CTransaction& tx, int level, std::string reason) {
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// Create a block and add the transaction to it.
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CBlock block;
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block.vtx.push_back(tx);
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// Set the previous block index to the genesis block.
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CBlockIndex indexPrev {Params().GenesisBlock()};
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// We now expect this to be an invalid block, for the given reason.
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MockCValidationState state;
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EXPECT_CALL(state, DoS(level, false, REJECT_INVALID, reason, false)).Times(1);
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EXPECT_FALSE(ContextualCheckBlock(block, state, &indexPrev));
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}
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};
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TEST_F(ContextualCheckBlockTest, BadCoinbaseHeight) {
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// Put a transaction in a block with no height in scriptSig
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CMutableTransaction mtx = GetFirstBlockCoinbaseTx();
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mtx.vin[0].scriptSig = CScript() << OP_0;
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mtx.vout.pop_back(); // remove the FR output
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CBlock block;
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block.vtx.push_back(mtx);
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// Treating block as genesis should pass
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MockCValidationState state;
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EXPECT_TRUE(ContextualCheckBlock(block, state, NULL));
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// Give the transaction a Founder's Reward vout
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mtx.vout.push_back(CTxOut(
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GetBlockSubsidy(1, Params().GetConsensus())/5,
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Params().GetFoundersRewardScriptAtHeight(1)));
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// Treating block as non-genesis should fail
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CTransaction tx2 {mtx};
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block.vtx[0] = tx2;
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CBlock prev;
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CBlockIndex indexPrev {prev};
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indexPrev.SetHeight(0);
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EXPECT_CALL(state, DoS(100, false, REJECT_INVALID, "bad-cb-height", false)).Times(1);
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EXPECT_FALSE(ContextualCheckBlock(block, state, &indexPrev));
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// Setting to an incorrect height should fail
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mtx.vin[0].scriptSig = CScript() << 2 << OP_0;
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CTransaction tx3 {mtx};
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block.vtx[0] = tx3;
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EXPECT_CALL(state, DoS(100, false, REJECT_INVALID, "bad-cb-height", false)).Times(1);
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EXPECT_FALSE(ContextualCheckBlock(block, state, &indexPrev));
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// After correcting the scriptSig, should pass
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mtx.vin[0].scriptSig = CScript() << 1 << OP_0;
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CTransaction tx4 {mtx};
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block.vtx[0] = tx4;
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EXPECT_TRUE(ContextualCheckBlock(block, state, &indexPrev));
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}
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// TEST PLAN: first, check that each ruleset accepts its own transaction type.
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// Currently (May 2018) this means we'll test Sprout-Sprout,
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// Overwinter-Overwinter, and Sapling-Sapling.
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// Test block evaluated under Sprout rules will accept Sprout transactions.
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// This test assumes that mainnet Overwinter activation is at least height 2.
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TEST_F(ContextualCheckBlockTest, BlockSproutRulesAcceptSproutTx) {
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CMutableTransaction mtx = GetFirstBlockCoinbaseTx();
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// Make it a Sprout transaction w/o JoinSplits
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mtx.fOverwintered = false;
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mtx.nVersion = 1;
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SCOPED_TRACE("BlockSproutRulesAcceptSproutTx");
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ExpectValidBlockFromTx(CTransaction(mtx));
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}
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// Test block evaluated under Overwinter rules will accept Overwinter transactions.
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TEST_F(ContextualCheckBlockTest, BlockOverwinterRulesAcceptOverwinterTx) {
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SelectParams(CBaseChainParams::REGTEST);
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UpdateNetworkUpgradeParameters(Consensus::UPGRADE_OVERWINTER, 1);
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CMutableTransaction mtx = GetFirstBlockCoinbaseTx();
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// Make it an Overwinter transaction
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mtx.fOverwintered = true;
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mtx.nVersion = OVERWINTER_TX_VERSION;
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mtx.nVersionGroupId = OVERWINTER_VERSION_GROUP_ID;
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SCOPED_TRACE("BlockOverwinterRulesAcceptOverwinterTx");
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ExpectValidBlockFromTx(CTransaction(mtx));
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}
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// Test that a block evaluated under Sapling rules can contain Sapling transactions.
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TEST_F(ContextualCheckBlockTest, BlockSaplingRulesAcceptSaplingTx) {
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SelectParams(CBaseChainParams::REGTEST);
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UpdateNetworkUpgradeParameters(Consensus::UPGRADE_OVERWINTER, 1);
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UpdateNetworkUpgradeParameters(Consensus::UPGRADE_SAPLING, 1);
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CMutableTransaction mtx = GetFirstBlockCoinbaseTx();
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// Make it a Sapling transaction
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mtx.fOverwintered = true;
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mtx.nVersion = SAPLING_TX_VERSION;
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mtx.nVersionGroupId = SAPLING_VERSION_GROUP_ID;
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SCOPED_TRACE("BlockSaplingRulesAcceptSaplingTx");
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ExpectValidBlockFromTx(CTransaction(mtx));
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}
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// TEST PLAN: next, check that each ruleset will not accept other transaction
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// types. Currently (May 2018) this means we'll test Sprout-Overwinter,
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// Sprout-Sapling, Overwinter-Sprout, Overwinter-Sapling, Sapling-Sprout, and
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// Sapling-Overwinter.
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// Test that a block evaluated under Sprout rules cannot contain non-Sprout
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// transactions which require Overwinter to be active. This test assumes that
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// mainnet Overwinter activation is at least height 2.
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TEST_F(ContextualCheckBlockTest, BlockSproutRulesRejectOtherTx) {
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CMutableTransaction mtx = GetFirstBlockCoinbaseTx();
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// Make it an Overwinter transaction
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mtx.fOverwintered = true;
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mtx.nVersion = OVERWINTER_TX_VERSION;
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mtx.nVersionGroupId = OVERWINTER_VERSION_GROUP_ID;
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{
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SCOPED_TRACE("BlockSproutRulesRejectOverwinterTx");
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ExpectInvalidBlockFromTx(CTransaction(mtx), 0, "tx-overwinter-not-active");
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}
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// Make it a Sapling transaction
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mtx.fOverwintered = true;
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mtx.nVersion = SAPLING_TX_VERSION;
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mtx.nVersionGroupId = SAPLING_VERSION_GROUP_ID;
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{
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SCOPED_TRACE("BlockSproutRulesRejectSaplingTx");
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ExpectInvalidBlockFromTx(CTransaction(mtx), 0, "tx-overwinter-not-active");
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}
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};
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// Test block evaluated under Overwinter rules cannot contain non-Overwinter
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// transactions.
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TEST_F(ContextualCheckBlockTest, BlockOverwinterRulesRejectOtherTx) {
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SelectParams(CBaseChainParams::REGTEST);
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UpdateNetworkUpgradeParameters(Consensus::UPGRADE_OVERWINTER, 1);
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CMutableTransaction mtx = GetFirstBlockCoinbaseTx();
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// Set the version to Sprout+JoinSplit (but nJoinSplit will be 0).
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mtx.nVersion = 2;
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{
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SCOPED_TRACE("BlockOverwinterRulesRejectSproutTx");
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ExpectInvalidBlockFromTx(CTransaction(mtx), 100, "tx-overwinter-active");
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}
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// Make it a Sapling transaction
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mtx.fOverwintered = true;
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mtx.nVersion = SAPLING_TX_VERSION;
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mtx.nVersionGroupId = SAPLING_VERSION_GROUP_ID;
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{
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SCOPED_TRACE("BlockOverwinterRulesRejectSaplingTx");
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ExpectInvalidBlockFromTx(CTransaction(mtx), 0, "bad-overwinter-tx-version-group-id");
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}
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}
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// Test block evaluated under Sapling rules cannot contain non-Sapling transactions.
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TEST_F(ContextualCheckBlockTest, BlockSaplingRulesRejectOtherTx) {
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SelectParams(CBaseChainParams::REGTEST);
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UpdateNetworkUpgradeParameters(Consensus::UPGRADE_OVERWINTER, 1);
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UpdateNetworkUpgradeParameters(Consensus::UPGRADE_SAPLING, 1);
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CMutableTransaction mtx = GetFirstBlockCoinbaseTx();
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// Set the version to Sprout+JoinSplit (but nJoinSplit will be 0).
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mtx.nVersion = 2;
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{
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SCOPED_TRACE("BlockSaplingRulesRejectSproutTx");
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ExpectInvalidBlockFromTx(CTransaction(mtx), 100, "tx-overwinter-active");
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}
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// Make it an Overwinter transaction
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mtx.fOverwintered = true;
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mtx.nVersion = OVERWINTER_TX_VERSION;
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mtx.nVersionGroupId = OVERWINTER_VERSION_GROUP_ID;
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{
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SCOPED_TRACE("BlockSaplingRulesRejectOverwinterTx");
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ExpectInvalidBlockFromTx(CTransaction(mtx), 0, "bad-sapling-tx-version-group-id");
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}
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}
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