diff --git a/CHANGELOG.md b/CHANGELOG.md index db771acd750..e59ec65cc8b 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -59,6 +59,7 @@ Ref: https://keepachangelog.com/en/1.0.0/ ### Improvements +* (app/20-transfer) [\#1730](https://github.com/cosmos/ibc-go/pull/1730) parse the ics20 denomination provided via a packet using the channel identifier format specified by ibc-go. * (cleanup) [\#1335](https://github.com/cosmos/ibc-go/pull/1335/) `gofumpt -w -l .` to standardize the code layout more strictly than `go fmt ./...` * (middleware) [\#1022](https://github.com/cosmos/ibc-go/pull/1022) Add `GetAppVersion` to the ICS4Wrapper interface. This function should be used by IBC applications to obtain their own version since the version set in the channel structure may be wrapped many times by middleware. * (modules/core/04-channel) [\#1232](https://github.com/cosmos/ibc-go/pull/1232) Updating params on `NewPacketId` and moving to bottom of file. diff --git a/docs/migrations/support-denoms-with-slashes.md b/docs/migrations/support-denoms-with-slashes.md index 40fad8272f8..3bc3d1b6b83 100644 --- a/docs/migrations/support-denoms-with-slashes.md +++ b/docs/migrations/support-denoms-with-slashes.md @@ -9,7 +9,7 @@ There are four sections based on the four potential user groups of this document - Relayers - IBC Light Clients -This document is necessary when chains are upgrading from a version that does not support base denoms with slashes (e.g. v3.0.0) to a version that does (e.g. v3.1.0). All versions of ibc-go smaller than v1.5.0 for the v1.x release line, v2.3.0 for the v2.x release line, and v3.1.0 for the v3.x release line do *NOT** support IBC token transfers of coins whose base denoms contain slashes. Therefore the in-place of genesis migration described in this document are required when upgrading. +This document is necessary when chains are upgrading from a version that does not support base denoms with slashes (e.g. v3.0.0) to a version that does (e.g. v3.2.0). All versions of ibc-go smaller than v1.5.0 for the v1.x release line, v2.3.0 for the v2.x release line, and v3.1.0 for the v3.x release line do **NOT** support IBC token transfers of coins whose base denoms contain slashes. Therefore the in-place of genesis migration described in this document are required when upgrading. If a chain receives coins of a base denom with slashes before it upgrades to supporting it, the receive may pass however the trace information will be incorrect. @@ -28,41 +28,17 @@ The transfer module will now support slashes in base denoms, so we must iterate ### Upgrade Proposal ```go -// Here the upgrade name is the upgrade name set by the chain -app.UpgradeKeeper.SetUpgradeHandler("supportSlashedDenomsUpgrade", +app.UpgradeKeeper.SetUpgradeHandler("MigrateTraces", func(ctx sdk.Context, _ upgradetypes.Plan, fromVM module.VersionMap) (module.VersionMap, error) { - // list of traces that must replace the old traces in store - var newTraces []ibctransfertypes.DenomTrace - app.TransferKeeper.IterateDenomTraces(ctx, - func(dt ibctransfertypes.DenomTrace) bool { - // check if the new way of splitting FullDenom - // into Trace and BaseDenom passes validation and - // is the same as the current DenomTrace. - // If it isn't then store the new DenomTrace in the list of new traces. - newTrace := ibctransfertypes.ParseDenomTrace(dt.GetFullDenomPath()) - if err := newTrace.Validate(); err == nil && !equalTraces(newTrace, dt) { - newTraces = append(newTraces, newTrace) - } - - return false - }) - - // replace the outdated traces with the new trace information - for _, nt := range newTraces { - app.TransferKeeper.SetDenomTrace(ctx, nt) - } - + // transfer module consensus version has been bumped to 2 return app.mm.RunMigrations(ctx, app.configurator, fromVM) }) - -func equalTraces(dtA, dtB ibctransfertypes.DenomTrace) bool { - return dtA.BaseDenom == dtB.BaseDenom && dtA.Path == dtB.Path -} + ``` This is only necessary if there are denom traces in the store with incorrect trace information from previously received coins that had a slash in the base denom. However, it is recommended that any chain upgrading to support base denominations with slashes runs this code for safety. -For a more detailed sample, please check out the code changes in [this pull request](https://github.com/cosmos/ibc-go/pull/1527). +For a more detailed sample, please check out the code changes in [this pull request](https://github.com/cosmos/ibc-go/pull/1680). ### Genesis Migration diff --git a/docs/migrations/v3-to-v4.md b/docs/migrations/v3-to-v4.md index e88444163c1..bdf8654dcb7 100644 --- a/docs/migrations/v3-to-v4.md +++ b/docs/migrations/v3-to-v4.md @@ -18,7 +18,27 @@ No genesis or in-place migrations required when upgrading from v1 or v2 of ibc-g ## Chains -- No relevant changes were made in this release. +### Migration to fix support for base denoms with slashes + +As part of [v1.5.0](https://github.com/cosmos/ibc-go/releases/tag/v1.5.0), [v2.3.0](https://github.com/cosmos/ibc-go/releases/tag/v2.3.0) and [v3.1.0](https://github.com/cosmos/ibc-go/releases/tag/v3.1.0) some [migration handler code sample was documented](https://github.com/cosmos/ibc-go/blob/main/docs/migrations/support-denoms-with-slashes.md#upgrade-proposal) that needs to run in order to correct the trace information of coins transferred using ICS20 whose base denom contains slashes. + +Based on feedback from the community we add now an improved solution to run the same migration that does not require copying a large piece of code over from the migration document, but instead requires only adding a one-line upgrade handler. + +If the chain will migrate to supporting base denoms with slashes, it must set the appropriate params during the execution of the upgrade handler in `app.go`: +```go +app.UpgradeKeeper.SetUpgradeHandler("MigrateTraces", + func(ctx sdk.Context, _ upgradetypes.Plan, fromVM module.VersionMap) (module.VersionMap, error) { + // transfer module consensus version has been bumped to 2 + return app.mm.RunMigrations(ctx, app.configurator, fromVM) + }) + +``` + +If a chain receives coins of a base denom with slashes before it upgrades to supporting it, the receive may pass however the trace information will be incorrect. + +E.g. If a base denom of `testcoin/testcoin/testcoin` is sent to a chain that does not support slashes in the base denom, the receive will be successful. However, the trace information stored on the receiving chain will be: `Trace: "transfer/{channel-id}/testcoin/testcoin", BaseDenom: "testcoin"`. + +This incorrect trace information must be corrected when the chain does upgrade to fully supporting denominations with slashes. ## IBC Apps diff --git a/modules/apps/transfer/keeper/migrations.go b/modules/apps/transfer/keeper/migrations.go new file mode 100644 index 00000000000..a1f3654f170 --- /dev/null +++ b/modules/apps/transfer/keeper/migrations.go @@ -0,0 +1,59 @@ +package keeper + +import ( + "fmt" + + sdk "github.com/cosmos/cosmos-sdk/types" + + "github.com/cosmos/ibc-go/v4/modules/apps/transfer/types" +) + +// Migrator is a struct for handling in-place store migrations. +type Migrator struct { + keeper Keeper +} + +// NewMigrator returns a new Migrator. +func NewMigrator(keeper Keeper) Migrator { + return Migrator{keeper: keeper} +} + +// MigrateTraces migrates the DenomTraces to the correct format, accounting for slashes in the BaseDenom. +func (m Migrator) MigrateTraces(ctx sdk.Context) error { + + // list of traces that must replace the old traces in store + var newTraces []types.DenomTrace + m.keeper.IterateDenomTraces(ctx, + func(dt types.DenomTrace) (stop bool) { + // check if the new way of splitting FullDenom + // is the same as the current DenomTrace. + // If it isn't then store the new DenomTrace in the list of new traces. + newTrace := types.ParseDenomTrace(dt.GetFullDenomPath()) + err := newTrace.Validate() + if err != nil { + panic(err) + } + + if dt.IBCDenom() != newTrace.IBCDenom() { + // The new form of parsing will result in a token denomination change. + // A bank migration is required. A panic should occur to prevent the + // chain from using corrupted state. + panic(fmt.Sprintf("migration will result in corrupted state. Previous IBC token (%s) requires a bank migration. Expected denom trace (%s)", dt, newTrace)) + } + + if !equalTraces(newTrace, dt) { + newTraces = append(newTraces, newTrace) + } + return false + }) + + // replace the outdated traces with the new trace information + for _, nt := range newTraces { + m.keeper.SetDenomTrace(ctx, nt) + } + return nil +} + +func equalTraces(dtA, dtB types.DenomTrace) bool { + return dtA.BaseDenom == dtB.BaseDenom && dtA.Path == dtB.Path +} diff --git a/modules/apps/transfer/keeper/migrations_test.go b/modules/apps/transfer/keeper/migrations_test.go new file mode 100644 index 00000000000..ff7da8ca089 --- /dev/null +++ b/modules/apps/transfer/keeper/migrations_test.go @@ -0,0 +1,123 @@ +package keeper_test + +import ( + "fmt" + + transferkeeper "github.com/cosmos/ibc-go/v4/modules/apps/transfer/keeper" + transfertypes "github.com/cosmos/ibc-go/v4/modules/apps/transfer/types" +) + +func (suite *KeeperTestSuite) TestMigratorMigrateTraces() { + + testCases := []struct { + msg string + malleate func() + expectedTraces transfertypes.Traces + }{ + + { + "success: two slashes in base denom", + func() { + suite.chainA.GetSimApp().TransferKeeper.SetDenomTrace( + suite.chainA.GetContext(), + transfertypes.DenomTrace{ + BaseDenom: "pool/1", Path: "transfer/channel-0/gamm", + }) + }, + transfertypes.Traces{ + { + BaseDenom: "gamm/pool/1", Path: "transfer/channel-0", + }, + }, + }, + { + "success: one slash in base denom", + func() { + suite.chainA.GetSimApp().TransferKeeper.SetDenomTrace( + suite.chainA.GetContext(), + transfertypes.DenomTrace{ + BaseDenom: "0x85bcBCd7e79Ec36f4fBBDc54F90C643d921151AA", Path: "transfer/channel-149/erc", + }) + }, + transfertypes.Traces{ + { + BaseDenom: "erc/0x85bcBCd7e79Ec36f4fBBDc54F90C643d921151AA", Path: "transfer/channel-149", + }, + }, + }, + { + "success: multiple slashes in a row in base denom", + func() { + suite.chainA.GetSimApp().TransferKeeper.SetDenomTrace( + suite.chainA.GetContext(), + transfertypes.DenomTrace{ + BaseDenom: "1", Path: "transfer/channel-5/gamm//pool", + }) + }, + transfertypes.Traces{ + { + BaseDenom: "gamm//pool/1", Path: "transfer/channel-5", + }, + }, + }, + { + "success: multihop base denom", + func() { + suite.chainA.GetSimApp().TransferKeeper.SetDenomTrace( + suite.chainA.GetContext(), + transfertypes.DenomTrace{ + BaseDenom: "transfer/channel-1/uatom", Path: "transfer/channel-0", + }) + }, + transfertypes.Traces{ + { + BaseDenom: "uatom", Path: "transfer/channel-0/transfer/channel-1", + }, + }, + }, + { + "success: non-standard port", + func() { + suite.chainA.GetSimApp().TransferKeeper.SetDenomTrace( + suite.chainA.GetContext(), + transfertypes.DenomTrace{ + BaseDenom: "customport/channel-7/uatom", Path: "transfer/channel-0/transfer/channel-1", + }) + }, + transfertypes.Traces{ + { + BaseDenom: "uatom", Path: "transfer/channel-0/transfer/channel-1/customport/channel-7", + }, + }, + }, + } + + for _, tc := range testCases { + suite.Run(fmt.Sprintf("case %s", tc.msg), func() { + suite.SetupTest() // reset + + tc.malleate() // explicitly set up denom traces + + migrator := transferkeeper.NewMigrator(suite.chainA.GetSimApp().TransferKeeper) + err := migrator.MigrateTraces(suite.chainA.GetContext()) + suite.Require().NoError(err) + + traces := suite.chainA.GetSimApp().TransferKeeper.GetAllDenomTraces(suite.chainA.GetContext()) + suite.Require().Equal(tc.expectedTraces, traces) + }) + } +} + +func (suite *KeeperTestSuite) TestMigratorMigrateTracesCorruptionDetection() { + // IBCDenom() previously would return "customport/channel-0/uatom", but now should return ibc/{hash} + corruptedDenomTrace := transfertypes.DenomTrace{ + BaseDenom: "customport/channel-0/uatom", + Path: "", + } + suite.chainA.GetSimApp().TransferKeeper.SetDenomTrace(suite.chainA.GetContext(), corruptedDenomTrace) + + migrator := transferkeeper.NewMigrator(suite.chainA.GetSimApp().TransferKeeper) + suite.Panics(func() { + migrator.MigrateTraces(suite.chainA.GetContext()) + }) +} diff --git a/modules/apps/transfer/module.go b/modules/apps/transfer/module.go index 11279e4d93f..9503a06d926 100644 --- a/modules/apps/transfer/module.go +++ b/modules/apps/transfer/module.go @@ -120,6 +120,11 @@ func (am AppModule) LegacyQuerierHandler(*codec.LegacyAmino) sdk.Querier { func (am AppModule) RegisterServices(cfg module.Configurator) { types.RegisterMsgServer(cfg.MsgServer(), am.keeper) types.RegisterQueryServer(cfg.QueryServer(), am.keeper) + + m := keeper.NewMigrator(am.keeper) + if err := cfg.RegisterMigration(types.ModuleName, 1, m.MigrateTraces); err != nil { + panic(fmt.Sprintf("failed to migrate transfer app from version 1 to 2: %v", err)) + } } // InitGenesis performs genesis initialization for the ibc-transfer module. It returns @@ -139,7 +144,7 @@ func (am AppModule) ExportGenesis(ctx sdk.Context, cdc codec.JSONCodec) json.Raw } // ConsensusVersion implements AppModule/ConsensusVersion. -func (AppModule) ConsensusVersion() uint64 { return 1 } +func (AppModule) ConsensusVersion() uint64 { return 2 } // BeginBlock implements the AppModule interface func (am AppModule) BeginBlock(ctx sdk.Context, req abci.RequestBeginBlock) { diff --git a/modules/apps/transfer/types/trace.go b/modules/apps/transfer/types/trace.go index 8d15f3bacf0..24f10c232a9 100644 --- a/modules/apps/transfer/types/trace.go +++ b/modules/apps/transfer/types/trace.go @@ -12,6 +12,7 @@ import ( tmbytes "github.com/tendermint/tendermint/libs/bytes" tmtypes "github.com/tendermint/tendermint/types" + channeltypes "github.com/cosmos/ibc-go/v4/modules/core/04-channel/types" host "github.com/cosmos/ibc-go/v4/modules/core/24-host" ) @@ -20,9 +21,9 @@ import ( // // Examples: // -// - "transfer/channelidone/uatom" => DenomTrace{Path: "transfer/channelidone", BaseDenom: "uatom"} -// - "transfer/channelidone/transfer/channelidtwo/uatom" => DenomTrace{Path: "transfer/channelidone/transfer/channelidtwo", BaseDenom: "uatom"} -// - "transfer/channelidone/gamm/pool/1" => DenomTrace{Path: "transfer/channelidone", BaseDenom: "gamm/pool/1"} +// - "portidone/channel-0/uatom" => DenomTrace{Path: "portidone/channel-0", BaseDenom: "uatom"} +// - "portidone/channel-0/portidtwo/channel-1/uatom" => DenomTrace{Path: "portidone/channel-0/portidtwo/channel-1", BaseDenom: "uatom"} +// - "portidone/channel-0/gamm/pool/1" => DenomTrace{Path: "portidone/channel-0", BaseDenom: "gamm/pool/1"} // - "gamm/pool/1" => DenomTrace{Path: "", BaseDenom: "gamm/pool/1"} // - "uatom" => DenomTrace{Path: "", BaseDenom: "uatom"} func ParseDenomTrace(rawDenom string) DenomTrace { @@ -77,11 +78,23 @@ func (dt DenomTrace) GetFullDenomPath() string { // extractPathAndBaseFromFullDenom returns the trace path and the base denom from // the elements that constitute the complete denom. func extractPathAndBaseFromFullDenom(fullDenomItems []string) (string, string) { - var path []string - var baseDenom []string + var ( + path []string + baseDenom []string + ) + length := len(fullDenomItems) for i := 0; i < length; i = i + 2 { - if i < length-1 && length > 2 && fullDenomItems[i] == PortID { + // The IBC specification does not guarentee the expected format of the + // destination port or destination channel identifier. A short term solution + // to determine base denomination is to expect the channel identifier to be the + // one ibc-go specifies. A longer term solution is to separate the path and base + // denomination in the ICS20 packet. If an intermediate hop prefixes the full denom + // with a channel identifier format different from our own, the base denomination + // will be incorrectly parsed, but the token will continue to be treated correctly + // as an IBC denomination. The hash used to store the token internally on our chain + // will be the same value as the base denomination being correctly parsed. + if i < length-1 && length > 2 && channeltypes.IsValidChannelID(fullDenomItems[i+1]) { path = append(path, fullDenomItems[i], fullDenomItems[i+1]) } else { baseDenom = fullDenomItems[i:] @@ -165,7 +178,7 @@ func (t Traces) Sort() Traces { // ValidatePrefixedDenom checks that the denomination for an IBC fungible token packet denom is correctly prefixed. // The function will return no error if the given string follows one of the two formats: // -// - Prefixed denomination: 'transfer/{channelIDN}/.../transfer/{channelID0}/baseDenom' +// - Prefixed denomination: '{portIDN}/{channelIDN}/.../{portID0}/{channelID0}/baseDenom' // - Unprefixed denomination: 'baseDenom' // // 'baseDenom' may or may not contain '/'s diff --git a/modules/apps/transfer/types/trace_test.go b/modules/apps/transfer/types/trace_test.go index 6526cbd952d..ba0690423bd 100644 --- a/modules/apps/transfer/types/trace_test.go +++ b/modules/apps/transfer/types/trace_test.go @@ -17,20 +17,23 @@ func TestParseDenomTrace(t *testing.T) { {"base denom ending with '/'", "uatom/", DenomTrace{BaseDenom: "uatom/"}}, {"base denom with single '/'s", "gamm/pool/1", DenomTrace{BaseDenom: "gamm/pool/1"}}, {"base denom with double '/'s", "gamm//pool//1", DenomTrace{BaseDenom: "gamm//pool//1"}}, - {"trace info", "transfer/channelToA/uatom", DenomTrace{BaseDenom: "uatom", Path: "transfer/channelToA"}}, - {"trace info with base denom ending in '/'", "transfer/channelToA/uatom/", DenomTrace{BaseDenom: "uatom/", Path: "transfer/channelToA"}}, - {"trace info with single '/' in base denom", "transfer/channelToA/erc20/0x85bcBCd7e79Ec36f4fBBDc54F90C643d921151AA", DenomTrace{BaseDenom: "erc20/0x85bcBCd7e79Ec36f4fBBDc54F90C643d921151AA", Path: "transfer/channelToA"}}, - {"trace info with multiple '/'s in base denom", "transfer/channelToA/gamm/pool/1", DenomTrace{BaseDenom: "gamm/pool/1", Path: "transfer/channelToA"}}, - {"trace info with multiple double '/'s in base denom", "transfer/channelToA/gamm//pool//1", DenomTrace{BaseDenom: "gamm//pool//1", Path: "transfer/channelToA"}}, - {"trace info with multiple port/channel pairs", "transfer/channelToA/transfer/channelToB/uatom", DenomTrace{BaseDenom: "uatom", Path: "transfer/channelToA/transfer/channelToB"}}, + {"trace info", "transfer/channel-1/uatom", DenomTrace{BaseDenom: "uatom", Path: "transfer/channel-1"}}, + {"trace info with custom port", "customtransfer/channel-1/uatom", DenomTrace{BaseDenom: "uatom", Path: "customtransfer/channel-1"}}, + {"trace info with base denom ending in '/'", "transfer/channel-1/uatom/", DenomTrace{BaseDenom: "uatom/", Path: "transfer/channel-1"}}, + {"trace info with single '/' in base denom", "transfer/channel-1/erc20/0x85bcBCd7e79Ec36f4fBBDc54F90C643d921151AA", DenomTrace{BaseDenom: "erc20/0x85bcBCd7e79Ec36f4fBBDc54F90C643d921151AA", Path: "transfer/channel-1"}}, + {"trace info with multiple '/'s in base denom", "transfer/channel-1/gamm/pool/1", DenomTrace{BaseDenom: "gamm/pool/1", Path: "transfer/channel-1"}}, + {"trace info with multiple double '/'s in base denom", "transfer/channel-1/gamm//pool//1", DenomTrace{BaseDenom: "gamm//pool//1", Path: "transfer/channel-1"}}, + {"trace info with multiple port/channel pairs", "transfer/channel-1/transfer/channel-2/uatom", DenomTrace{BaseDenom: "uatom", Path: "transfer/channel-1/transfer/channel-2"}}, + {"trace info with multiple custom ports", "customtransfer/channel-1/alternativetransfer/channel-2/uatom", DenomTrace{BaseDenom: "uatom", Path: "customtransfer/channel-1/alternativetransfer/channel-2"}}, {"incomplete path", "transfer/uatom", DenomTrace{BaseDenom: "transfer/uatom"}}, - {"invalid path (1)", "transfer//uatom", DenomTrace{BaseDenom: "uatom", Path: "transfer/"}}, - {"invalid path (2)", "channelToA/transfer/uatom", DenomTrace{BaseDenom: "channelToA/transfer/uatom"}}, + {"invalid path (1)", "transfer//uatom", DenomTrace{BaseDenom: "transfer//uatom", Path: ""}}, + {"invalid path (2)", "channel-1/transfer/uatom", DenomTrace{BaseDenom: "channel-1/transfer/uatom"}}, {"invalid path (3)", "uatom/transfer", DenomTrace{BaseDenom: "uatom/transfer"}}, - {"invalid path (4)", "transfer/channelToA", DenomTrace{BaseDenom: "transfer/channelToA"}}, - {"invalid path (5)", "transfer/channelToA/", DenomTrace{Path: "transfer/channelToA"}}, - {"invalid path (6)", "transfer/channelToA/transfer", DenomTrace{BaseDenom: "transfer", Path: "transfer/channelToA"}}, - {"invalid path (7)", "transfer/channelToA/transfer/channelToB", DenomTrace{Path: "transfer/channelToA/transfer/channelToB"}}, + {"invalid path (4)", "transfer/channel-1", DenomTrace{BaseDenom: "transfer/channel-1"}}, + {"invalid path (5)", "transfer/channel-1/", DenomTrace{Path: "transfer/channel-1"}}, + {"invalid path (6)", "transfer/channel-1/transfer", DenomTrace{BaseDenom: "transfer", Path: "transfer/channel-1"}}, + {"invalid path (7)", "transfer/channel-1/transfer/channel-2", DenomTrace{Path: "transfer/channel-1/transfer/channel-2"}}, + {"invalid path (8)", "transfer/channelToA/uatom", DenomTrace{BaseDenom: "transfer/channelToA/uatom", Path: ""}}, } for _, tc := range testCases { @@ -46,7 +49,7 @@ func TestDenomTrace_IBCDenom(t *testing.T) { expDenom string }{ {"base denom", DenomTrace{BaseDenom: "uatom"}, "uatom"}, - {"trace info", DenomTrace{BaseDenom: "uatom", Path: "transfer/channelToA"}, "ibc/7F1D3FCF4AE79E1554D670D1AD949A9BA4E4A3C76C63093E17E446A46061A7A2"}, + {"trace info", DenomTrace{BaseDenom: "uatom", Path: "transfer/channel-1"}, "ibc/C4CFF46FD6DE35CA4CF4CE031E643C8FDC9BA4B99AE598E9B0ED98FE3A2319F9"}, } for _, tc := range testCases { @@ -65,12 +68,12 @@ func TestDenomTrace_Validate(t *testing.T) { {"base denom only with single '/'", DenomTrace{BaseDenom: "erc20/0x85bcBCd7e79Ec36f4fBBDc54F90C643d921151AA"}, false}, {"base denom only with multiple '/'s", DenomTrace{BaseDenom: "gamm/pool/1"}, false}, {"empty DenomTrace", DenomTrace{}, true}, - {"valid single trace info", DenomTrace{BaseDenom: "uatom", Path: "transfer/channelToA"}, false}, - {"valid multiple trace info", DenomTrace{BaseDenom: "uatom", Path: "transfer/channelToA/transfer/channelToB"}, false}, + {"valid single trace info", DenomTrace{BaseDenom: "uatom", Path: "transfer/channel-1"}, false}, + {"valid multiple trace info", DenomTrace{BaseDenom: "uatom", Path: "transfer/channel-1/transfer/channel-2"}, false}, {"single trace identifier", DenomTrace{BaseDenom: "uatom", Path: "transfer"}, true}, - {"invalid port ID", DenomTrace{BaseDenom: "uatom", Path: "(transfer)/channelToA"}, true}, - {"invalid channel ID", DenomTrace{BaseDenom: "uatom", Path: "transfer/(channelToA)"}, true}, - {"empty base denom with trace", DenomTrace{BaseDenom: "", Path: "transfer/channelToA"}, true}, + {"invalid port ID", DenomTrace{BaseDenom: "uatom", Path: "(transfer)/channel-1"}, true}, + {"invalid channel ID", DenomTrace{BaseDenom: "uatom", Path: "transfer/(channel-1)"}, true}, + {"empty base denom with trace", DenomTrace{BaseDenom: "", Path: "transfer/channel-1"}, true}, } for _, tc := range testCases { @@ -90,16 +93,16 @@ func TestTraces_Validate(t *testing.T) { expError bool }{ {"empty Traces", Traces{}, false}, - {"valid multiple trace info", Traces{{BaseDenom: "uatom", Path: "transfer/channelToA/transfer/channelToB"}}, false}, + {"valid multiple trace info", Traces{{BaseDenom: "uatom", Path: "transfer/channel-1/transfer/channel-2"}}, false}, { "valid multiple trace info", Traces{ - {BaseDenom: "uatom", Path: "transfer/channelToA/transfer/channelToB"}, - {BaseDenom: "uatom", Path: "transfer/channelToA/transfer/channelToB"}, + {BaseDenom: "uatom", Path: "transfer/channel-1/transfer/channel-2"}, + {BaseDenom: "uatom", Path: "transfer/channel-1/transfer/channel-2"}, }, true, }, - {"empty base denom with trace", Traces{{BaseDenom: "", Path: "transfer/channelToA"}}, true}, + {"empty base denom with trace", Traces{{BaseDenom: "", Path: "transfer/channel-1"}}, true}, } for _, tc := range testCases { @@ -118,26 +121,25 @@ func TestValidatePrefixedDenom(t *testing.T) { denom string expError bool }{ - {"prefixed denom", "transfer/channelToA/uatom", false}, - {"prefixed denom with '/'", "transfer/channelToA/gamm/pool/1", false}, + {"prefixed denom", "transfer/channel-1/uatom", false}, + {"prefixed denom with '/'", "transfer/channel-1/gamm/pool/1", false}, {"empty prefix", "/uatom", false}, {"empty identifiers", "//uatom", false}, {"base denom", "uatom", false}, {"base denom with single '/'", "erc20/0x85bcBCd7e79Ec36f4fBBDc54F90C643d921151AA", false}, {"base denom with multiple '/'s", "gamm/pool/1", false}, - {"invalid port ID", "(transfer)/channelToA/uatom", false}, + {"invalid port ID", "(transfer)/channel-1/uatom", true}, {"empty denom", "", true}, {"single trace identifier", "transfer/", true}, - {"invalid channel ID", "transfer/(channelToA)/uatom", true}, } for _, tc := range testCases { err := ValidatePrefixedDenom(tc.denom) if tc.expError { require.Error(t, err, tc.name) - continue + } else { + require.NoError(t, err, tc.name) } - require.NoError(t, err, tc.name) } }