90 lines
2.4 KiB
Go
90 lines
2.4 KiB
Go
package indexes
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import (
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"testing"
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"github.com/stretchr/testify/require"
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"cosmossdk.io/collections"
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)
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func TestHelpers(t *testing.T) {
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// uses ReversePair scenario.
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// We store balances as:
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// Key: Pair[Address=string, Denom=string] => Value: Amount=uint64
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sk, ctx := deps()
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sb := collections.NewSchemaBuilder(sk)
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keyCodec := collections.PairKeyCodec(collections.StringKey, collections.StringKey)
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indexedMap := collections.NewIndexedMap(
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sb,
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collections.NewPrefix("balances"), "balances",
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keyCodec,
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collections.Uint64Value,
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balanceIndex{
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Denom: NewReversePair[Amount](sb, collections.NewPrefix("denom_index"), "denom_index", keyCodec),
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},
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)
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err := indexedMap.Set(ctx, collections.Join("address1", "atom"), 100)
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require.NoError(t, err)
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err = indexedMap.Set(ctx, collections.Join("address1", "osmo"), 200)
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require.NoError(t, err)
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err = indexedMap.Set(ctx, collections.Join("address2", "osmo"), 300)
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require.NoError(t, err)
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// test collect values
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iter, err := indexedMap.Indexes.Denom.MatchExact(ctx, "osmo")
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require.NoError(t, err)
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values, err := CollectValues(ctx, indexedMap, iter)
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require.NoError(t, err)
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require.Equal(t, []Amount{200, 300}, values)
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// test collect key values
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iter, err = indexedMap.Indexes.Denom.MatchExact(ctx, "osmo")
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require.NoError(t, err)
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kvs, err := CollectKeyValues(ctx, indexedMap, iter)
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require.NoError(t, err)
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require.Equal(t, []collections.KeyValue[collections.Pair[Address, Denom], Amount]{
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{
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Key: collections.Join("address1", "osmo"),
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Value: 200,
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},
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{
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Key: collections.Join("address2", "osmo"),
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Value: 300,
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},
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}, kvs)
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// test scan values with early termination
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iter, err = indexedMap.Indexes.Denom.MatchExact(ctx, "osmo")
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require.NoError(t, err)
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numCalled := 0
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err = ScanValues(ctx, indexedMap, iter, func(v Amount) bool {
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require.Equal(t, Amount(200), v)
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numCalled++
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require.Equal(t, numCalled, 1)
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return true // says to stop
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})
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require.NoError(t, err)
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// test scan kv with early termination
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iter, err = indexedMap.Indexes.Denom.MatchExact(ctx, "osmo")
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require.NoError(t, err)
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numCalled = 0
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err = ScanKeyValues(ctx, indexedMap, iter, func(kv collections.KeyValue[collections.Pair[Address, Denom], Amount]) bool {
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require.Equal(t, Amount(200), kv.Value)
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require.Equal(t, collections.Join("address1", "osmo"), kv.Key)
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numCalled++
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require.Equal(t, numCalled, 1)
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return true // says to stop
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})
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require.NoError(t, err)
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}
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