fix bech32 prefix in evidence (#8461)

Co-authored-by: Tomas Tauber <2410580+tomtau@users.noreply.github.com>

Co-authored-by: Tomas Tauber <2410580+tomtau@users.noreply.github.com>
Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>

CHANGELOG.md

@@ -47,6 +47,7 @@ Ref: https://keepachangelog.com/en/1.0.0/
 
 ### Bug Fixes
 
+* (x/evidence) [#8461](https://github.com/cosmos/cosmos-sdk/pull/8461) Fix bech32 prefix in evidence validator address conversion
 * (x/slashing) [\#8427](https://github.com/cosmos/cosmos-sdk/pull/8427) Fix query signing infos command
 * (simapp) [\#8418](https://github.com/cosmos/cosmos-sdk/pull/8418) Add balance coin to supply when adding a new genesis account
 * (x/bank) [\#8417](https://github.com/cosmos/cosmos-sdk/pull/8417) Validate balances and coin denom metadata on genesis

x/evidence/types/evidence.go

@@ -88,7 +88,8 @@ func (e Equivocation) GetTotalPower() int64 { return 0 }
 // FromABCIEvidence converts a Tendermint concrete Evidence type to
 // SDK Evidence using Equivocation as the concrete type.
 func FromABCIEvidence(e abci.Evidence) exported.Evidence {
-	consAddr, err := sdk.Bech32ifyAddressBytes(sdk.Bech32PrefixConsAddr, e.Validator.Address)
+	bech32PrefixConsAddr := sdk.GetConfig().GetBech32ConsensusAddrPrefix()
+	consAddr, err := sdk.Bech32ifyAddressBytes(bech32PrefixConsAddr, e.Validator.Address)
 	if err != nil {
 		panic(err)
 	}

x/evidence/types/evidence_test.go

@@ -5,6 +5,7 @@ import (
 	"time"
 
 	"github.com/stretchr/testify/require"
+	abci "github.com/tendermint/tendermint/abci/types"
 
 	sdk "github.com/cosmos/cosmos-sdk/types"
 	"github.com/cosmos/cosmos-sdk/x/evidence/types"
@@ -57,3 +58,22 @@ func TestEquivocationValidateBasic(t *testing.T) {
 		})
 	}
 }
+
+func TestEvidenceAddressConversion(t *testing.T) {
+	sdk.GetConfig().SetBech32PrefixForConsensusNode("testcnclcons", "testcnclconspub")
+	tmEvidence := abci.Evidence{
+		Type: abci.EvidenceType_DUPLICATE_VOTE,
+		Validator: abci.Validator{
+			Address: []byte{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+			Power:   100,
+		},
+		Height:           1,
+		Time:             time.Now(),
+		TotalVotingPower: 100,
+	}
+	evidence := types.FromABCIEvidence(tmEvidence).(*types.Equivocation)
+	consAddr := evidence.GetConsensusAddress()
+	// Check the address is the same after conversion
+	require.Equal(t, tmEvidence.Validator.Address, consAddr.Bytes())
+	sdk.GetConfig().SetBech32PrefixForConsensusNode(sdk.Bech32PrefixConsAddr, sdk.Bech32PrefixConsPub)
+}