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genaccounts.go
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genaccounts.go
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// Copyright 2022 Evmos Foundation
// This file is part of the Evmos Network packages.
//
// Evmos is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The Evmos packages are distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the Evmos packages. If not, see https://github.com/evmos/evmos/blob/main/LICENSE
package main
import (
"bufio"
"encoding/json"
"fmt"
"time"
"github.com/ethereum/go-ethereum/common"
"github.com/spf13/cobra"
"github.com/cosmos/cosmos-sdk/client"
"github.com/cosmos/cosmos-sdk/client/flags"
"github.com/cosmos/cosmos-sdk/crypto/keyring"
"github.com/cosmos/cosmos-sdk/server"
sdk "github.com/cosmos/cosmos-sdk/types"
authtypes "github.com/cosmos/cosmos-sdk/x/auth/types"
authvesting "github.com/cosmos/cosmos-sdk/x/auth/vesting/types"
banktypes "github.com/cosmos/cosmos-sdk/x/bank/types"
"github.com/cosmos/cosmos-sdk/x/genutil"
genutiltypes "github.com/cosmos/cosmos-sdk/x/genutil/types"
"github.com/qom-one/qomapp/v1/types"
evmtypes "github.com/qom-one/qomapp/v1/x/evm/types"
qomkr "github.com/qom-one/qomapp/v1/crypto/keyring"
vestingcli "github.com/qom-one/qomapp/v1/x/vesting/client/cli"
vestingtypes "github.com/qom-one/qomapp/v1/x/vesting/types"
)
const (
flagVestingStart = "vesting-start-time"
)
// AddGenesisAccountCmd returns add-genesis-account cobra Command.
func AddGenesisAccountCmd(defaultNodeHome string) *cobra.Command {
cmd := &cobra.Command{
Use: "add-genesis-account ADDRESS_OR_KEY_NAME COIN...",
Short: "Add a genesis account to genesis.json",
Long: `Add a genesis account to genesis.json. The provided account must specify
the account address or key name and a list of initial coins. If a key name is given,
the address will be looked up in the local Keybase. The list of initial tokens must
contain valid denominations. Accounts may optionally be supplied with vesting parameters.
`,
Args: cobra.ExactArgs(2),
RunE: func(cmd *cobra.Command, args []string) error {
clientCtx := client.GetClientContextFromCmd(cmd)
serverCtx := server.GetServerContextFromCmd(cmd)
config := serverCtx.Config
config.SetRoot(clientCtx.HomeDir)
var kr keyring.Keyring
addr, err := sdk.AccAddressFromBech32(args[0])
if err != nil {
inBuf := bufio.NewReader(cmd.InOrStdin())
keyringBackend, _ := cmd.Flags().GetString(flags.FlagKeyringBackend)
if keyringBackend != "" && clientCtx.Keyring == nil {
var err error
kr, err = keyring.New(
sdk.KeyringServiceName(),
keyringBackend,
clientCtx.HomeDir,
inBuf,
clientCtx.Codec,
qomkr.Option(),
)
if err != nil {
return err
}
} else {
kr = clientCtx.Keyring
}
info, err := kr.Key(args[0])
if err != nil {
return fmt.Errorf("failed to get address from Keyring: %w", err)
}
addr, err = info.GetAddress()
if err != nil {
return fmt.Errorf("failed to get address from Keyring: %w", err)
}
}
coins, err := sdk.ParseCoinsNormalized(args[1])
if err != nil {
return fmt.Errorf("failed to parse coins: %w", err)
}
vestingStart, err := cmd.Flags().GetInt64(flagVestingStart)
if err != nil {
return err
}
// create concrete account type based on input parameters
var genAccount authtypes.GenesisAccount
balances := banktypes.Balance{Address: addr.String(), Coins: coins.Sort()}
baseAccount := authtypes.NewBaseAccount(addr, nil, 0, 0)
clawback, _ := cmd.Flags().GetBool(vestingcli.FlagClawback)
// Create ClawbackvestingAccount, sdk.VestingAccount or EthAccount
switch {
case clawback:
// ClawbackvestingAccount requires clawback, lockup, vesting, and funder
// flags
var (
lockupStart int64
lockupPeriods, vestingPeriods authvesting.Periods
)
// Get funder addr which can perform clawback
funderStr, err := cmd.Flags().GetString(vestingcli.FlagFunder)
if err != nil {
return fmt.Errorf("must specify the clawback vesting account funder with the --funder flag")
}
funder, err := sdk.AccAddressFromBech32(funderStr)
if err != nil {
return err
}
// Read lockup and vesting schedules
lockupFile, _ := cmd.Flags().GetString(vestingcli.FlagLockup)
vestingFile, _ := cmd.Flags().GetString(vestingcli.FlagVesting)
if lockupFile == "" && vestingFile == "" {
return fmt.Errorf("must specify at least one of %s or %s", vestingcli.FlagLockup, vestingcli.FlagVesting)
}
if lockupFile != "" {
lockupStart, lockupPeriods, err = vestingcli.ReadScheduleFile(lockupFile)
if err != nil {
return err
}
}
if vestingFile != "" {
vestingStart, vestingPeriods, err = vestingcli.ReadScheduleFile(vestingFile)
if err != nil {
return err
}
}
// Align schedules in case lockup and vesting schedules have different
// start_time
commonStart, _ := vestingtypes.AlignSchedules(lockupStart, vestingStart, lockupPeriods, vestingPeriods)
// Get total lockup and vesting from schedules
vestingCoins := sdk.NewCoins()
for _, period := range vestingPeriods {
vestingCoins = vestingCoins.Add(period.Amount...)
}
lockupCoins := sdk.NewCoins()
for _, period := range lockupPeriods {
lockupCoins = lockupCoins.Add(period.Amount...)
}
// If lockup absent, default to an instant unlock schedule
if !vestingCoins.IsZero() && len(lockupPeriods) == 0 {
lockupPeriods = []authvesting.Period{
{Length: 0, Amount: vestingCoins},
}
lockupCoins = vestingCoins
}
// If vesting absent, default to an instant vesting schedule
if !lockupCoins.IsZero() && len(vestingPeriods) == 0 {
vestingPeriods = []authvesting.Period{
{Length: 0, Amount: lockupCoins},
}
vestingCoins = lockupCoins
}
// The vesting and lockup schedules must describe the same total amount.
// IsEqual can panic, so use (a == b) <=> (a <= b && b <= a).
if !(vestingCoins.IsAllLTE(lockupCoins) && lockupCoins.IsAllLTE(vestingCoins)) {
return fmt.Errorf("lockup (%s) and vesting (%s) amounts must be equal",
lockupCoins, vestingCoins,
)
}
// Check if account balance is aligned with vesting schedule
if !vestingCoins.IsEqual(coins) {
return fmt.Errorf("vestingCoins (%s) and coin balance (%s) amounts must be equal",
vestingCoins, coins,
)
}
genAccount = vestingtypes.NewClawbackVestingAccount(
baseAccount,
funder,
vestingCoins,
time.Unix(commonStart, 0),
lockupPeriods,
vestingPeriods,
)
default:
genAccount = &types.EthAccount{
BaseAccount: baseAccount,
CodeHash: common.BytesToHash(evmtypes.EmptyCodeHash).Hex(),
}
}
if err := genAccount.Validate(); err != nil {
return fmt.Errorf("failed to validate new genesis account: %w", err)
}
genFile := config.GenesisFile()
appState, genDoc, err := genutiltypes.GenesisStateFromGenFile(genFile)
if err != nil {
return fmt.Errorf("failed to unmarshal genesis state: %w", err)
}
authGenState := authtypes.GetGenesisStateFromAppState(clientCtx.Codec, appState)
accs, err := authtypes.UnpackAccounts(authGenState.Accounts)
if err != nil {
return fmt.Errorf("failed to get accounts from any: %w", err)
}
if accs.Contains(addr) {
return fmt.Errorf("cannot add account at existing address %s", addr)
}
// Add the new account to the set of genesis accounts and sanitize the
// accounts afterwards.
accs = append(accs, genAccount)
accs = authtypes.SanitizeGenesisAccounts(accs)
genAccs, err := authtypes.PackAccounts(accs)
if err != nil {
return fmt.Errorf("failed to convert accounts into any's: %w", err)
}
authGenState.Accounts = genAccs
authGenStateBz, err := clientCtx.Codec.MarshalJSON(&authGenState)
if err != nil {
return fmt.Errorf("failed to marshal auth genesis state: %w", err)
}
appState[authtypes.ModuleName] = authGenStateBz
bankGenState := banktypes.GetGenesisStateFromAppState(clientCtx.Codec, appState)
bankGenState.Balances = append(bankGenState.Balances, balances)
bankGenState.Balances = banktypes.SanitizeGenesisBalances(bankGenState.Balances)
bankGenState.Supply = bankGenState.Supply.Add(balances.Coins...)
bankGenStateBz, err := clientCtx.Codec.MarshalJSON(bankGenState)
if err != nil {
return fmt.Errorf("failed to marshal bank genesis state: %w", err)
}
appState[banktypes.ModuleName] = bankGenStateBz
appStateJSON, err := json.Marshal(appState)
if err != nil {
return fmt.Errorf("failed to marshal application genesis state: %w", err)
}
genDoc.AppState = appStateJSON
return genutil.ExportGenesisFile(genDoc, genFile)
},
}
cmd.Flags().String(flags.FlagHome, defaultNodeHome, "The application home directory")
cmd.Flags().String(flags.FlagKeyringBackend, flags.DefaultKeyringBackend, "Select keyring's backend (os|file|kwallet|pass|test)")
cmd.Flags().Int64(flagVestingStart, 0, "schedule start time (unix epoch) for vesting accounts")
cmd.Flags().Bool(vestingcli.FlagClawback, false, "create clawback account")
cmd.Flags().String(vestingcli.FlagFunder, "", "funder address for clawback")
cmd.Flags().String(vestingcli.FlagLockup, "", "path to file containing unlocking periods for a clawback vesting account")
cmd.Flags().String(vestingcli.FlagVesting, "", "path to file containing vesting periods for a clawback vesting account")
flags.AddQueryFlagsToCmd(cmd)
return cmd
}