26 lines
1.1 KiB
Go
26 lines
1.1 KiB
Go
package unknownproto_test
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import (
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"encoding/hex"
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"io"
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"testing"
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"github.com/stretchr/testify/require"
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"github.com/cosmos/cosmos-sdk/simapp"
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)
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// Issue #7739: Catch parse errors resulting from unexpected EOF in
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// protowire.ConsumeFieldValue. Discovered from fuzzing.
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func TestBadBytesPassedIntoDecoder(t *testing.T) {
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data, _ := hex.DecodeString("0A9F010A9C200A2D2F6962632E636F72652E636F6E6E656374696F6E2E76312E4D7367436F6E6E656374696F584F75656E496E6974126B0A0D6962637A65726F636C69656E74120B6962637A65726F636F6E6E1A1C0A0C6962636F6E65636C69656E74120A6962636F6E65636F6E6E00002205312E302E302A283235454635364341373935313335453430393336384536444238313130463232413442453035433212080A0612040A0208011A40143342993E25DA936CDDC7BE3D8F603CA6E9661518D536D0C482E18A0154AA096E438A6B9BCADFCFC2F0D689DCCAF55B96399D67A8361B70F5DA13091E2F929")
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cfg := simapp.MakeTestEncodingConfig()
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decoder := cfg.TxConfig.TxDecoder()
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tx, err := decoder(data)
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// TODO: When issue https://github.com/cosmos/cosmos-sdk/issues/7846
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// is addressed, we'll remove this .Contains check.
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require.Contains(t, err.Error(), io.ErrUnexpectedEOF.Error())
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require.Nil(t, tx)
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}
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