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prepare-genesis cmd: Add flags related to inflation #306

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Feb 16, 2023
Merged

prepare-genesis cmd: Add flags related to inflation #306

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6d377bf
prepare-genesis cmd: Add flags related to inflation
vitsalis Feb 15, 2023
3698151
fixes
vitsalis Feb 16, 2023
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15 changes: 15 additions & 0 deletions cmd/babylond/cmd/flags.go
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,9 @@ const (
flagBaseBtcHeaderHex = "btc-base-header"
flagBaseBtcHeaderHeight = "btc-base-header-height"
flagGenesisTime = "genesis-time"
flagInflationRateChange = "inflation-rate-change"
flagInflationMax = "inflation-max"
flagInflationMin = "inflation-min"
)

type GenesisCLIArgs struct {
Expand All @@ -25,6 +28,9 @@ type GenesisCLIArgs struct {
EpochInterval uint64
BaseBtcHeaderHex string
BaseBtcHeaderHeight uint64
InflationRateChange float64
InflationMax float64
InflationMin float64
GenesisTime time.Time
}

Expand All @@ -42,6 +48,9 @@ func addGenesisFlags(cmd *cobra.Command) {
cmd.Flags().String(flagBaseBtcHeaderHex, "0100000000000000000000000000000000000000000000000000000000000000000000003ba3edfd7a7b12b27ac72c3e67768f617fc81bc3888a51323a9fb8aa4b1e5e4a45068653ffff7f2002000000", "Hex of the base Bitcoin header.")
cmd.Flags().Uint64(flagBaseBtcHeaderHeight, 0, "Height of the base Bitcoin header.")
cmd.Flags().Int64(flagGenesisTime, time.Now().Unix(), "Genesis time")
cmd.Flags().Float64(flagInflationRateChange, 0.13, "Inflation rate change")
cmd.Flags().Float64(flagInflationMax, 0.2, "Maximum inflation")
cmd.Flags().Float64(flagInflationMin, 0.07, "Minimum inflation")
}

func parseGenesisFlags(cmd *cobra.Command) *GenesisCLIArgs {
Expand All @@ -53,6 +62,9 @@ func parseGenesisFlags(cmd *cobra.Command) *GenesisCLIArgs {
baseBtcHeaderHex, _ := cmd.Flags().GetString(flagBaseBtcHeaderHex)
baseBtcHeaderHeight, _ := cmd.Flags().GetUint64(flagBaseBtcHeaderHeight)
genesisTimeUnix, _ := cmd.Flags().GetInt64(flagGenesisTime)
inflationRateChange, _ := cmd.Flags().GetFloat64(flagInflationRateChange)
inflationMax, _ := cmd.Flags().GetFloat64(flagInflationMax)
inflationMin, _ := cmd.Flags().GetFloat64(flagInflationMin)

if chainID == "" {
chainID = "chain-" + tmrand.NewRand().Str(6)
Expand All @@ -69,5 +81,8 @@ func parseGenesisFlags(cmd *cobra.Command) *GenesisCLIArgs {
BaseBtcHeaderHeight: baseBtcHeaderHeight,
BaseBtcHeaderHex: baseBtcHeaderHex,
GenesisTime: genesisTime,
InflationRateChange: inflationRateChange,
InflationMax: inflationMax,
InflationMin: inflationMin,
}
}
10 changes: 8 additions & 2 deletions cmd/babylond/cmd/genesis.go
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Expand Up @@ -64,7 +64,8 @@ Example:
genesisParams = TestnetGenesisParams(genesisCliArgs.MaxActiveValidators,
genesisCliArgs.BtcConfirmationDepth, genesisCliArgs.BtcFinalizationTimeout,
genesisCliArgs.EpochInterval, genesisCliArgs.BaseBtcHeaderHex,
genesisCliArgs.BaseBtcHeaderHeight, genesisCliArgs.GenesisTime)
genesisCliArgs.BaseBtcHeaderHeight, genesisCliArgs.InflationRateChange,
genesisCliArgs.InflationMin, genesisCliArgs.InflationMax, genesisCliArgs.GenesisTime)
} else if network == "mainnet" {
// TODO: mainnet genesis params
panic("Mainnet params not implemented.")
Expand Down Expand Up @@ -191,7 +192,8 @@ type GenesisParams struct {

func TestnetGenesisParams(maxActiveValidators uint32, btcConfirmationDepth uint64,
btcFinalizationTimeout uint64, epochInterval uint64, baseBtcHeaderHex string,
baseBtcHeaderHeight uint64, genesisTime time.Time) GenesisParams {
baseBtcHeaderHeight uint64, inflationRateChange float64,
inflationMin float64, inflationMax float64, genesisTime time.Time) GenesisParams {

genParams := GenesisParams{}

Expand Down Expand Up @@ -226,6 +228,10 @@ func TestnetGenesisParams(maxActiveValidators uint32, btcConfirmationDepth uint6

genParams.MintParams = minttypes.DefaultParams()
genParams.MintParams.MintDenom = genParams.NativeCoinMetadatas[0].Base
// This should always work as inflation rate is already a float64
genParams.MintParams.InflationRateChange = sdk.MustNewDecFromStr(fmt.Sprintf("%f", inflationRateChange))
genParams.MintParams.InflationMin = sdk.MustNewDecFromStr(fmt.Sprintf("%f", inflationMin))
genParams.MintParams.InflationMax = sdk.MustNewDecFromStr(fmt.Sprintf("%f", inflationMax))

genParams.GovParams = govv1.DefaultParams()
genParams.GovParams.DepositParams.MinDeposit = sdk.NewCoins(sdk.NewCoin(
Expand Down
3 changes: 2 additions & 1 deletion cmd/babylond/cmd/testnet.go
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Expand Up @@ -98,7 +98,8 @@ Example:
genesisParams := TestnetGenesisParams(genesisCliArgs.MaxActiveValidators,
genesisCliArgs.BtcConfirmationDepth, genesisCliArgs.BtcFinalizationTimeout,
genesisCliArgs.EpochInterval, genesisCliArgs.BaseBtcHeaderHex,
genesisCliArgs.BaseBtcHeaderHeight, genesisCliArgs.GenesisTime)
genesisCliArgs.BaseBtcHeaderHeight, genesisCliArgs.InflationRateChange,
genesisCliArgs.InflationMin, genesisCliArgs.InflationMax, genesisCliArgs.GenesisTime)

return InitTestnet(
clientCtx, cmd, config, mbm, genBalIterator, outputDir, genesisCliArgs.ChainID, minGasPrices,
Expand Down