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feat: Upgrade v0.11.3: NOMX token munic. infl. & creation if required #336

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77 changes: 76 additions & 1 deletion app/app.go
Original file line number Diff line number Diff line change
Expand Up @@ -719,15 +719,90 @@ func (app *App) GetSubspace(moduleName string) paramstypes.Subspace {
}

func (app *App) RegisterUpgradeHandlers(cfg module.Configurator) {
const municipalInflationTargetAddress = "fetch1n8d5466h8he33uedc0vsgtahal0mrz55glre03"

// NOTE(pb): The `fetchd-v0.10.7` upgrade handler *MUST* be present due to the mainnent, where this is the *LAST*
// executed upgrade. Presence of this handler is enforced by the `x/upgrade/abci.go#L31-L40` (see the
// https://github.com/fetchai/cosmos-sdk/blob/09cf7baf4297a30acd8d09d9db7dd97d79ffe008/x/upgrade/abci.go#L31-L40).
app.UpgradeKeeper.SetUpgradeHandler("fetchd-v0.10.7", func(ctx sdk.Context, plan upgradetypes.Plan, fromVM module.VersionMap) (module.VersionMap, error) {
return app.mm.RunMigrations(ctx, cfg, fromVM)
})

// NOTE(pb): The `v0.11.2` upgrade handler *MUST* be present due to Dorado-1 testnet, where this is the *LAST*
// executed upgrade. Please see the details in the NOTE above.
app.UpgradeKeeper.SetUpgradeHandler("v0.11.2", func(ctx sdk.Context, plan upgradetypes.Plan, fromVM module.VersionMap) (module.VersionMap, error) {
mobixInfl, err := sdk.NewDecFromStr("0.03")
if err != nil {
return module.VersionMap{}, err
}
minter := app.MintKeeper.GetMinter(ctx)
minter.MunicipalInflation = []*minttypes.MunicipalInflationPair{
{Denom: "nanomobx", Inflation: minttypes.NewMunicipalInflation("fetch1n8d5466h8he33uedc0vsgtahal0mrz55glre03", mobixInfl)},
{Denom: "nanomobx", Inflation: minttypes.NewMunicipalInflation(municipalInflationTargetAddress, mobixInfl)},
}

app.MintKeeper.SetMinter(ctx, minter)

return app.mm.RunMigrations(ctx, cfg, fromVM)
})

app.UpgradeKeeper.SetUpgradeHandler("v0.11.3", func(ctx sdk.Context, plan upgradetypes.Plan, fromVM module.VersionMap) (module.VersionMap, error) {
// Introducing the NOMX token **IF** it does not exist yet:
const nomxDenom = "nanonomx"
const nomxName = "NOMX"
const nomxSupply = 1000000000000000000 // = 10^18 < 2^63 (max(int64))
if !app.BankKeeper.HasSupply(ctx, nomxDenom) {
coinsToMint := sdk.NewCoins(sdk.NewInt64Coin(nomxDenom, nomxSupply))
app.MintKeeper.MintCoins(ctx, coinsToMint)

acc, err := sdk.AccAddressFromBech32(municipalInflationTargetAddress)
if err != nil {
panic(err)
}

err = app.BankKeeper.SendCoinsFromModuleToAccount(ctx, minttypes.ModuleName, acc, coinsToMint)
if err != nil {
panic(err)
}

ctx.EventManager().EmitEvent(
sdk.NewEvent(
minttypes.EventTypeMunicipalMint,
sdk.NewAttribute(minttypes.AttributeKeyDenom, nomxDenom),
sdk.NewAttribute(minttypes.AttributeKeyTargetAddr, municipalInflationTargetAddress),
sdk.NewAttribute(sdk.AttributeKeyAmount, coinsToMint.String()),
),
)

nomxMetadata := banktypes.Metadata{
Base: nomxDenom,
Name: nomxName,
Symbol: nomxName,
Display: nomxName,
Description: nomxName + " token",
DenomUnits: []*banktypes.DenomUnit{
{Denom: nomxName, Exponent: 9, Aliases: nil},
{Denom: "mnomx", Exponent: 6, Aliases: nil},
{Denom: "unomx", Exponent: 3, Aliases: nil},
{Denom: nomxDenom, Exponent: 0, Aliases: nil},
},
}

app.BankKeeper.SetDenomMetaData(ctx, nomxMetadata)
}

// Municipal Inflation for MOBX & NOMX tokens:
inflation, err := sdk.NewDecFromStr("0.03")
if err != nil {
return module.VersionMap{}, err
}

minter := app.MintKeeper.GetMinter(ctx)
municipalInflation := minttypes.NewMunicipalInflation(municipalInflationTargetAddress, inflation)
minter.MunicipalInflation = []*minttypes.MunicipalInflationPair{
{Denom: "nanomobx", Inflation: municipalInflation},
{Denom: nomxDenom, Inflation: municipalInflation},
}

app.MintKeeper.SetMinter(ctx, minter)

return app.mm.RunMigrations(ctx, cfg, fromVM)
Expand Down
2 changes: 1 addition & 1 deletion go.mod
Original file line number Diff line number Diff line change
Expand Up @@ -133,7 +133,7 @@ replace google.golang.org/grpc => google.golang.org/grpc v1.33.2

replace github.com/gogo/protobuf => github.com/regen-network/protobuf v1.3.3-alpha.regen.1

replace github.com/cosmos/cosmos-sdk => github.com/fetchai/cosmos-sdk v0.19.3-0.20231027022256-09cf7baf4297
replace github.com/cosmos/cosmos-sdk => github.com/fetchai/cosmos-sdk v0.19.3

// This is to add support for Ledger Nano S-Plus on linux + new macOS
// usb bus device enumeration (it needs to be reiterated here, even though
Expand Down
4 changes: 2 additions & 2 deletions go.sum
Original file line number Diff line number Diff line change
Expand Up @@ -228,8 +228,8 @@ github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5Kwzbycv
github.com/fatih/color v1.10.0/go.mod h1:ELkj/draVOlAH/xkhN6mQ50Qd0MPOk5AAr3maGEBuJM=
github.com/felixge/httpsnoop v1.0.1 h1:lvB5Jl89CsZtGIWuTcDM1E/vkVs49/Ml7JJe07l8SPQ=
github.com/felixge/httpsnoop v1.0.1/go.mod h1:m8KPJKqk1gH5J9DgRY2ASl2lWCfGKXixSwevea8zH2U=
github.com/fetchai/cosmos-sdk v0.19.3-0.20231027022256-09cf7baf4297 h1:aifpDotvRF/5/Zn/nvMeDlTPh0pa3qRMUwGY6cGqHgU=
github.com/fetchai/cosmos-sdk v0.19.3-0.20231027022256-09cf7baf4297/go.mod h1:xLNanYMukOhNMWoGJyy6mIZQR+Sf2sIi2Mlq0BY5rCg=
github.com/fetchai/cosmos-sdk v0.19.3 h1:9cTSRmLRl8g7AbEf3CBT/bT/NhC1VbKcgRu8e0CxU5o=
github.com/fetchai/cosmos-sdk v0.19.3/go.mod h1:xLNanYMukOhNMWoGJyy6mIZQR+Sf2sIi2Mlq0BY5rCg=
github.com/fjl/memsize v0.0.0-20180418122429-ca190fb6ffbc/go.mod h1:VvhXpOYNQvB+uIk2RvXzuaQtkQJzzIx6lSBe1xv7hi0=
github.com/fortytw2/leaktest v1.3.0 h1:u8491cBMTQ8ft8aeV+adlcytMZylmA5nnwwkRZjI8vw=
github.com/franela/goblin v0.0.0-20200105215937-c9ffbefa60db/go.mod h1:7dvUGVsVBjqR7JHJk0brhHOZYGmfBYOrK0ZhYMEtBr4=
Expand Down
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