Add fee method on transaction results #738
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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@@ -25,6 +25,7 @@ import ( | |
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| "github.com/onflow/cadence" | ||
| jsoncdc "github.com/onflow/cadence/encoding/json" | ||
| "github.com/onflow/cadence/runtime/common" | ||
| "github.com/stretchr/testify/assert" | ||
| "github.com/stretchr/testify/require" | ||
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@@ -692,3 +693,56 @@ func TestTransaction_RLPMessages(t *testing.T) { | |
| }) | ||
| } | ||
| } | ||
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| func Test_TransactionResult(t *testing.T) { | ||
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| t.Run("Fees successfully extracted", func(t *testing.T) { | ||
| feeAmount, _ := cadence.NewUFix64("0.005") | ||
| res := flow.TransactionResult{ | ||
| Events: []flow.Event{createFeeEvent(feeAmount)}, | ||
| } | ||
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| extractedFee, err := res.Fee() | ||
| require.NoError(t, err) | ||
| require.Equal(t, uint64(feeAmount), extractedFee) | ||
| }) | ||
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| t.Run("Fees unsuccessfully extracted", func(t *testing.T) { | ||
| fee1, _ := cadence.NewUFix64("0.1") | ||
| fee2, _ := cadence.NewUFix64("0.2") | ||
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| // duplicate fees | ||
| res := flow.TransactionResult{ | ||
| Events: []flow.Event{createFeeEvent(fee1), createFeeEvent(fee2)}, | ||
| } | ||
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| fee, err := res.Fee() | ||
| require.EqualError(t, err, "could not extract transaction fee") | ||
| require.Zero(t, fee) | ||
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| // no fees | ||
| res = flow.TransactionResult{} | ||
| fee, err = res.Fee() | ||
| require.EqualError(t, err, "failed to convert fee value") | ||
| }) | ||
| } | ||
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| func createFeeEvent(feeValue cadence.UFix64) flow.Event { | ||
| address, _ := common.HexToAddress("f919ee77447b7497") | ||
| location := common.NewAddressLocation(nil, address, "FlowFees") | ||
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| eventType := cadence.NewEventType( | ||
| location, | ||
| "FlowFees.FeesDeducted", | ||
| []cadence.Field{{ | ||
| Identifier: "amount", | ||
| Type: cadence.UFix64Type, | ||
| }}, | ||
| nil, | ||
| ) | ||
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| return flow.Event{ | ||
| Type: eventType.ID(), | ||
| Value: cadence.NewEvent([]cadence.Value{feeValue}).WithType(eventType), | ||
| } | ||
| } | ||
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