6474b253d6
We'll use this to keep track of the outstanding shards and which preimages we are using for each. For now this is a simple map from attempt ID to hash, but later we'll hide the AMP child derivation behind this interface.
48 lines
1.2 KiB
Go
48 lines
1.2 KiB
Go
package shards_test
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import (
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"crypto/rand"
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"testing"
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"github.com/lightningnetwork/lnd/lntypes"
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"github.com/lightningnetwork/lnd/routing/shards"
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"github.com/stretchr/testify/require"
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)
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// TestSimpleShardTracker tests that the simple tracker that keeps a map from
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// attemptID-> payment hash works.
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func TestSimpleShardTracker(t *testing.T) {
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var testHashes [2]lntypes.Hash
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for i := range testHashes {
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_, err := rand.Read(testHashes[i][:])
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require.NoError(t, err)
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}
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startAttempts := map[uint64]lntypes.Hash{
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1: testHashes[1],
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}
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tracker := shards.NewSimpleShardTracker(testHashes[0], startAttempts)
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// Trying to retrieve a hash for id 0 should result in an error.
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_, err := tracker.GetHash(0)
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require.Error(t, err)
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// Getting id 1 should workd.
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hash1, err := tracker.GetHash(1)
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require.NoError(t, err)
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require.Equal(t, testHashes[1], hash1)
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// Finally, create a new shard and immediately retrieve the hash.
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shard, err := tracker.NewShard(2, false)
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require.NoError(t, err)
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// It's hash should be the tracker's overall payment hash.
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hash2, err := tracker.GetHash(2)
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require.NoError(t, err)
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require.Equal(t, testHashes[0], shard.Hash())
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require.Equal(t, testHashes[0], hash2)
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}
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