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tx_create_pool.go
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tx_create_pool.go
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package cli
import (
"errors"
"github.com/cosmos/cosmos-sdk/client"
"github.com/cosmos/cosmos-sdk/client/flags"
"github.com/cosmos/cosmos-sdk/client/tx"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/elys-network/elys/x/amm/types"
"github.com/spf13/cobra"
)
const (
FlagSwapFee = "swap-fee"
FlagExitFee = "exit-fee"
FlagUseOracle = "use-oracle"
FlagWeightBreakingFeeMultiplier = "weight-breaking-fee-multiplier"
FlagWeightBreakingFeeExponent = "weight-breaking-fee-exponent"
FlagExternalLiquidityRatio = "extern-liquidity-ratio"
FlagWeightRecoveryFeePortion = "weight-recovery-fee"
FlagThresholdWeightDifference = "threshold-weight-diff"
FlagFeeDenom = "fee-denom"
)
func CmdCreatePool() *cobra.Command {
cmd := &cobra.Command{
Use: "create-pool [weights] [initial-deposit]",
Short: "create a new pool and provide the liquidity to it",
Example: `elysd tx amm create-pool 100uatom,100uusdc 100000000000uatom,100000000000uusdc --swap-fee=0.00 --exit-fee=0.00 --use-oracle=false --from=treasury --keyring-backend=test --chain-id=elystestnet-1 --yes --gas=1000000`,
Args: cobra.ExactArgs(2),
RunE: func(cmd *cobra.Command, args []string) (err error) {
argWeights, err := sdk.ParseCoinsNormalized(args[0])
if err != nil {
return err
}
argInitialDeposit, err := sdk.ParseCoinsNormalized(args[1])
if err != nil {
return err
}
clientCtx, err := client.GetClientTxContext(cmd)
if err != nil {
return err
}
if len(argInitialDeposit) != len(argWeights) {
return errors.New("deposit tokens and token weights should have same length")
}
var poolAssets []types.PoolAsset
for i := 0; i < len(argWeights); i++ {
if argWeights[i].Denom != argInitialDeposit[i].Denom {
return errors.New("deposit tokens and token weights should have same denom order")
}
poolAssets = append(poolAssets, types.PoolAsset{
Weight: argWeights[i].Amount,
Token: argInitialDeposit[i],
})
}
swapFeeStr, err := cmd.Flags().GetString(FlagSwapFee)
if err != nil {
return err
}
exitFeeStr, err := cmd.Flags().GetString(FlagExitFee)
if err != nil {
return err
}
useOracle, err := cmd.Flags().GetBool(FlagUseOracle)
if err != nil {
return err
}
weightBreakingFeeMultiplierStr, err := cmd.Flags().GetString(FlagWeightBreakingFeeMultiplier)
if err != nil {
return err
}
weightBreakingFeeExponentStr, err := cmd.Flags().GetString(FlagWeightBreakingFeeExponent)
if err != nil {
return err
}
externalLiquidityRatioStr, err := cmd.Flags().GetString(FlagExternalLiquidityRatio)
if err != nil {
return err
}
weightRecoveryFeePortionStr, err := cmd.Flags().GetString(FlagWeightRecoveryFeePortion)
if err != nil {
return err
}
thresholdWeightDifferenceStr, err := cmd.Flags().GetString(FlagThresholdWeightDifference)
if err != nil {
return err
}
feeDenom, err := cmd.Flags().GetString(FlagFeeDenom)
if err != nil {
return err
}
poolParams := &types.PoolParams{
SwapFee: sdk.MustNewDecFromStr(swapFeeStr),
ExitFee: sdk.MustNewDecFromStr(exitFeeStr),
UseOracle: useOracle,
WeightBreakingFeeMultiplier: sdk.MustNewDecFromStr(weightBreakingFeeMultiplierStr),
WeightBreakingFeeExponent: sdk.MustNewDecFromStr(weightBreakingFeeExponentStr),
ExternalLiquidityRatio: sdk.MustNewDecFromStr(externalLiquidityRatioStr),
WeightRecoveryFeePortion: sdk.MustNewDecFromStr(weightRecoveryFeePortionStr),
ThresholdWeightDifference: sdk.MustNewDecFromStr(thresholdWeightDifferenceStr),
FeeDenom: feeDenom,
}
msg := types.NewMsgCreatePool(
clientCtx.GetFromAddress().String(),
poolParams,
poolAssets,
)
if err := msg.ValidateBasic(); err != nil {
return err
}
return tx.GenerateOrBroadcastTxCLI(clientCtx, cmd.Flags(), msg)
},
}
flags.AddTxFlagsToCmd(cmd)
cmd.Flags().String(FlagSwapFee, "0.00", "swap fee")
cmd.Flags().String(FlagExitFee, "0.00", "exit fee")
cmd.Flags().Bool(FlagUseOracle, false, "flag to be an oracle pool or non-oracle pool")
cmd.Flags().String(FlagWeightBreakingFeeMultiplier, "0.00", "weight breaking fee multiplier")
cmd.Flags().String(FlagWeightBreakingFeeExponent, "2.50", "weight breaking fee exponent")
cmd.Flags().String(FlagExternalLiquidityRatio, "0.00", "external liquidity ratio - valid for oracle pools")
cmd.Flags().String(FlagWeightRecoveryFeePortion, "0.10", "weight recovery fee portion")
cmd.Flags().String(FlagThresholdWeightDifference, "0.00", "threshold weight difference - valid for oracle pool")
cmd.Flags().String(FlagFeeDenom, "", "fee denom")
return cmd
}