Hush Full Node software. We were censored from Github, this is where all development happens now.
https://hush.is
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81 lines
3.1 KiB
81 lines
3.1 KiB
6 years ago
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#include "chainparams.h"
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#include "consensus/params.h"
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#include "consensus/validation.h"
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#include "main.h"
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#include "transaction_builder.h"
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#include "zcash/Address.hpp"
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#include <gtest/gtest.h>
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#include <gmock/gmock.h>
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TEST(TransactionBuilder, Invoke) {
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SelectParams(CBaseChainParams::REGTEST);
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UpdateNetworkUpgradeParameters(Consensus::UPGRADE_OVERWINTER, Consensus::NetworkUpgrade::ALWAYS_ACTIVE);
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UpdateNetworkUpgradeParameters(Consensus::UPGRADE_SAPLING, Consensus::NetworkUpgrade::ALWAYS_ACTIVE);
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auto consensusParams = Params().GetConsensus();
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auto sk_from = libzcash::SaplingSpendingKey::random();
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auto fvk_from = sk_from.full_viewing_key();
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auto sk = libzcash::SaplingSpendingKey::random();
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auto xsk = sk.expanded_spending_key();
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auto fvk = sk.full_viewing_key();
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auto ivk = fvk.in_viewing_key();
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libzcash::diversifier_t d = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
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auto pk = *ivk.address(d);
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// Create a shielding transaction from transparent to Sapling
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// TODO: Add transparent inputs :P
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auto builder1 = TransactionBuilder(consensusParams, 1);
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builder1.AddSaplingOutput(fvk_from, pk, 50, {});
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auto maybe_tx1 = builder1.Build();
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ASSERT_EQ(static_cast<bool>(maybe_tx1), true);
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auto tx1 = maybe_tx1.get();
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EXPECT_EQ(tx1.vin.size(), 0);
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EXPECT_EQ(tx1.vout.size(), 0);
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EXPECT_EQ(tx1.vjoinsplit.size(), 0);
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EXPECT_EQ(tx1.vShieldedSpend.size(), 0);
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EXPECT_EQ(tx1.vShieldedOutput.size(), 1);
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EXPECT_EQ(tx1.valueBalance, -50);
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CValidationState state;
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EXPECT_TRUE(ContextualCheckTransaction(tx1, state, 2, 0));
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EXPECT_EQ(state.GetRejectReason(), "");
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// Prepare to spend the note that was just created
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auto maybe_pt = libzcash::SaplingNotePlaintext::decrypt(
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tx1.vShieldedOutput[0].encCiphertext, ivk, tx1.vShieldedOutput[0].ephemeralKey
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);
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ASSERT_EQ(static_cast<bool>(maybe_pt), true);
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auto maybe_note = maybe_pt.get().note(ivk);
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ASSERT_EQ(static_cast<bool>(maybe_note), true);
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auto note = maybe_note.get();
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ZCSaplingIncrementalMerkleTree tree;
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tree.append(tx1.vShieldedOutput[0].cm);
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auto anchor = tree.root();
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auto witness = tree.witness();
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// Create a Sapling-only transaction
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auto builder2 = TransactionBuilder(consensusParams, 2);
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builder2.AddSaplingSpend(xsk, note, anchor, witness);
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builder2.AddSaplingOutput(fvk, pk, 25, {});
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auto maybe_tx2 = builder2.Build();
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ASSERT_EQ(static_cast<bool>(maybe_tx2), true);
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auto tx2 = maybe_tx2.get();
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EXPECT_EQ(tx2.vin.size(), 0);
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EXPECT_EQ(tx2.vout.size(), 0);
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EXPECT_EQ(tx2.vjoinsplit.size(), 0);
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EXPECT_EQ(tx2.vShieldedSpend.size(), 1);
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EXPECT_EQ(tx2.vShieldedOutput.size(), 1);
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EXPECT_EQ(tx2.valueBalance, 25);
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EXPECT_TRUE(ContextualCheckTransaction(tx2, state, 3, 0));
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EXPECT_EQ(state.GetRejectReason(), "");
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// Revert to default
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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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