/
stake.go
157 lines (126 loc) · 4.61 KB
/
stake.go
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package main
import (
"errors"
"math/big"
cliContext "github.com/cosmos/cosmos-sdk/client/context"
jsoniter "github.com/json-iterator/go"
"github.com/spf13/cobra"
"github.com/spf13/viper"
"github.com/ethereum/go-ethereum/common"
chainmanagerTypes "github.com/maticnetwork/heimdall/chainmanager/types"
"github.com/maticnetwork/heimdall/helper"
stakingcli "github.com/maticnetwork/heimdall/staking/client/cli"
)
var checkpointEndpoint = "/chainmanager/params"
// StakeCmd stakes for a validator
func StakeCmd(cliCtx cliContext.CLIContext) *cobra.Command {
cmd := &cobra.Command{
Use: "stake",
Short: "Stake matic tokens for your account",
Args: cobra.NoArgs,
RunE: func(_ *cobra.Command, _ []string) error {
helper.InitHeimdallConfig("")
validatorStr := viper.GetString(stakingcli.FlagValidatorAddress)
stakeAmountStr := viper.GetString(stakingcli.FlagAmount)
feeAmountStr := viper.GetString(stakingcli.FlagFeeAmount)
acceptDelegation := viper.GetBool(stakingcli.FlagAcceptDelegation)
// validator str
if validatorStr == "" {
return errors.New("Validator address is required")
}
// stake amount
stakeAmount, ok := big.NewInt(0).SetString(stakeAmountStr, 10)
if !ok {
return errors.New("Invalid stake amount")
}
// fee amount
feeAmount, ok := big.NewInt(0).SetString(feeAmountStr, 10)
if !ok {
return errors.New("Invalid fee amount")
}
// contract caller
contractCaller, err := helper.NewContractCaller()
if err != nil {
return err
}
params, err := GetChainmanagerParams(cliCtx)
if err != nil {
return err
}
stakingManagerAddress := params.ChainParams.StakingManagerAddress.EthAddress()
stakeManagerInstance, err := contractCaller.GetStakeManagerInstance(stakingManagerAddress)
if err != nil {
return err
}
return contractCaller.StakeFor(
common.HexToAddress(validatorStr),
stakeAmount,
feeAmount,
acceptDelegation,
stakingManagerAddress,
stakeManagerInstance,
)
},
}
cmd.Flags().String(stakingcli.FlagValidatorAddress, "", "--validator=<validator address here>")
cmd.Flags().String(stakingcli.FlagAmount, "10000000000000000000", "--staked-amount=<stake amount>, if left blank it will be assigned as 10 matic tokens")
cmd.Flags().String(stakingcli.FlagFeeAmount, "5000000000000000000", "--fee-amount=<heimdall fee amount>, if left blank will be assigned as 5 matic tokens")
cmd.Flags().Bool(stakingcli.FlagAcceptDelegation, true, "--accept-delegation=<accept delegation>, if left blank will be assigned as true")
return cmd
}
// ApproveCmd approves tokens for a validator
func ApproveCmd(cliCtx cliContext.CLIContext) *cobra.Command {
cmd := &cobra.Command{
Use: "approve",
Short: "Approve the tokens to stake",
Args: cobra.NoArgs,
RunE: func(_ *cobra.Command, _ []string) error {
helper.InitHeimdallConfig("")
stakeAmountStr := viper.GetString(stakingcli.FlagAmount)
feeAmountStr := viper.GetString(stakingcli.FlagFeeAmount)
// stake amount
stakeAmount, ok := big.NewInt(0).SetString(stakeAmountStr, 10)
if !ok {
return errors.New("Invalid stake amount")
}
// fee amount
feeAmount, ok := big.NewInt(0).SetString(feeAmountStr, 10)
if !ok {
return errors.New("Invalid fee amount")
}
contractCaller, err := helper.NewContractCaller()
if err != nil {
return err
}
params, err := GetChainmanagerParams(cliCtx)
if err != nil {
return err
}
stakingManagerAddress := params.ChainParams.StakingManagerAddress.EthAddress()
maticTokenAddress := params.ChainParams.MaticTokenAddress.EthAddress()
maticTokenInstance, err := contractCaller.GetMaticTokenInstance(maticTokenAddress)
if err != nil {
return err
}
return contractCaller.ApproveTokens(stakeAmount.Add(stakeAmount, feeAmount), stakingManagerAddress, maticTokenAddress, maticTokenInstance)
},
}
cmd.Flags().String(stakingcli.FlagAmount, "10000000000000000000", "--staked-amount=<stake amount>, if left blank will be assigned as 10 matic tokens")
cmd.Flags().String(stakingcli.FlagFeeAmount, "5000000000000000000", "--fee-amount=<heimdall fee amount>, if left blank will be assigned as 5 matic tokens")
return cmd
}
// GetChainmanagerParams return configManager params
func GetChainmanagerParams(cliCtx cliContext.CLIContext) (*chainmanagerTypes.Params, error) {
response, err := helper.FetchFromAPI(
cliCtx,
helper.GetHeimdallServerEndpoint(checkpointEndpoint),
)
if err != nil {
return nil, err
}
var params chainmanagerTypes.Params
if err := jsoniter.ConfigFastest.Unmarshal(response.Result, ¶ms); err != nil {
return nil, err
}
return ¶ms, nil
}