62 lines
2.4 KiB
C#
62 lines
2.4 KiB
C#
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using PalladiumWallet.Core.Chain;
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using PalladiumWallet.Core.Storage;
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using PalladiumWallet.Core.Wallet;
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namespace PalladiumWallet.Tests.Wallet;
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/// <summary>
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/// Boundary tests of the single spendability gate: heights 0 and -1 are mempool, never confirmed.
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/// </summary>
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public class UtxoSpendabilityTests
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{
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private static readonly ChainProfile Profile = ChainProfiles.Mainnet;
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private static CachedUtxo Utxo(int height, bool verified = true, bool frozen = false, bool coinbase = false) => new()
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{
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Txid = "aa", Vout = 0, ValueSats = 1, Address = "a", Height = height,
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Verified = verified, Frozen = frozen, IsCoinbase = coinbase,
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};
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[Theory]
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[InlineData(0)] // unconfirmed
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[InlineData(-1)] // unconfirmed with unconfirmed parents (Electrum convention)
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public void MempoolUtxos_HaveZeroConfirmations_AndAreNeverSpendable(int height)
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{
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var utxo = Utxo(height, verified: true);
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Assert.Equal(0, utxo.Confirmations(tipHeight: 1_000));
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Assert.False(utxo.IsSpendable(Profile, tipHeight: 1_000));
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}
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[Theory]
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[InlineData(100, 100, 1)]
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[InlineData(100, 105, 6)]
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public void Confirmations_CountTheBlockItself(int height, int tip, int expected) =>
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Assert.Equal(expected, Utxo(height).Confirmations(tip));
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[Fact]
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public void RegularOutput_BecomesSpendableExactlyAtMinConfirmations()
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{
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var min = Profile.MinConfirmations;
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var utxo = Utxo(height: 100);
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Assert.False(utxo.IsSpendable(Profile, tipHeight: 100 + min - 2)); // min-1 confirmations
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Assert.True(utxo.IsSpendable(Profile, tipHeight: 100 + min - 1)); // min confirmations
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}
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[Fact]
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public void Coinbase_NeedsMaturityPlusOne_Confirmations()
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{
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var utxo = Utxo(height: 100, coinbase: true);
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var needed = Profile.CoinbaseMaturity + 1;
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Assert.Equal(needed, utxo.RequiredConfirmations(Profile));
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Assert.False(utxo.IsSpendable(Profile, tipHeight: 100 + needed - 2));
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Assert.True(utxo.IsSpendable(Profile, tipHeight: 100 + needed - 1));
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}
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[Fact]
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public void UnverifiedOrFrozen_AreNeverSpendable_EvenWhenDeeplyConfirmed()
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{
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Assert.False(Utxo(100, verified: false).IsSpendable(Profile, tipHeight: 10_000));
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Assert.False(Utxo(100, frozen: true).IsSpendable(Profile, tipHeight: 10_000));
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Assert.True(Utxo(100).IsSpendable(Profile, tipHeight: 10_000));
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}
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}
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