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feat: add cosmoscmd package (#1)
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* go mod init =

* genaccounts

* genwasm

* Cosmos app

* Encoding

* Prefix

* gosum

* Init gitignore

* root

* Make types public

* add imports

* Organize imports

* Lint

* Rename to cosmoscmd

* Simplification

* Remove blank line
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lumtis authored Jul 5, 2021
1 parent 6d7452d commit 42e72ad
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1 change: 1 addition & 0 deletions .gitignore
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.idea/
40 changes: 40 additions & 0 deletions cosmoscmd/cosmosapp.go
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package cosmoscmd

import (
abci "github.com/tendermint/tendermint/abci/types"

"github.com/cosmos/cosmos-sdk/codec"
"github.com/cosmos/cosmos-sdk/server/types"
sdk "github.com/cosmos/cosmos-sdk/types"
)

// CosmosApp implements the common methods for a Cosmos SDK-based application
// specific blockchain.
type CosmosApp interface {
// The assigned name of the app.
Name() string

// The application types codec.
// NOTE: This should be sealed before being returned.
LegacyAmino() *codec.LegacyAmino

// Application updates every begin block.
BeginBlocker(ctx sdk.Context, req abci.RequestBeginBlock) abci.ResponseBeginBlock

// Application updates every end block.
EndBlocker(ctx sdk.Context, req abci.RequestEndBlock) abci.ResponseEndBlock

// Application update at chain (i.e app) initialization.
InitChainer(ctx sdk.Context, req abci.RequestInitChain) abci.ResponseInitChain

// Loads the app at a given height.
LoadHeight(height int64) error

// Exports the state of the application for a genesis file.
ExportAppStateAndValidators(
forZeroHeight bool, jailAllowedAddrs []string,
) (types.ExportedApp, error)

// All the registered module account addreses.
ModuleAccountAddrs() map[string]bool
}
44 changes: 44 additions & 0 deletions cosmoscmd/encoding.go
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package cosmoscmd

import (
"github.com/cosmos/cosmos-sdk/client"
"github.com/cosmos/cosmos-sdk/codec"
"github.com/cosmos/cosmos-sdk/codec/types"
"github.com/cosmos/cosmos-sdk/std"
"github.com/cosmos/cosmos-sdk/types/module"
"github.com/cosmos/cosmos-sdk/x/auth/tx"
)

// EncodingConfig specifies the concrete encoding types to use for a given app.
// This is provided for compatibility between protobuf and amino implementations.
type EncodingConfig struct {
InterfaceRegistry types.InterfaceRegistry
Marshaler codec.Marshaler
TxConfig client.TxConfig
Amino *codec.LegacyAmino
}

// makeEncodingConfig creates an EncodingConfig for an amino based test configuration.
func makeEncodingConfig() EncodingConfig {
amino := codec.NewLegacyAmino()
interfaceRegistry := types.NewInterfaceRegistry()
marshaler := codec.NewProtoCodec(interfaceRegistry)
txCfg := tx.NewTxConfig(marshaler, tx.DefaultSignModes)

return EncodingConfig{
InterfaceRegistry: interfaceRegistry,
Marshaler: marshaler,
TxConfig: txCfg,
Amino: amino,
}
}

// MakeEncodingConfig creates an EncodingConfig for testing
func MakeEncodingConfig(moduleBasics module.BasicManager) EncodingConfig {
encodingConfig := makeEncodingConfig()
std.RegisterLegacyAminoCodec(encodingConfig.Amino)
std.RegisterInterfaces(encodingConfig.InterfaceRegistry)
moduleBasics.RegisterLegacyAminoCodec(encodingConfig.Amino)
moduleBasics.RegisterInterfaces(encodingConfig.InterfaceRegistry)
return encodingConfig
}
192 changes: 192 additions & 0 deletions cosmoscmd/genaccounts.go
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package cosmoscmd

import (
"bufio"
"encoding/json"
"errors"
"fmt"

"github.com/spf13/cobra"

"github.com/cosmos/cosmos-sdk/client"
"github.com/cosmos/cosmos-sdk/client/flags"
"github.com/cosmos/cosmos-sdk/codec"
"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"
)

const (
flagVestingStart = "vesting-start-time"
flagVestingEnd = "vesting-end-time"
flagVestingAmt = "vesting-amount"
)

// 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][,[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)
depCdc := clientCtx.JSONMarshaler
cdc := depCdc.(codec.Marshaler)

serverCtx := server.GetServerContextFromCmd(cmd)
config := serverCtx.Config

config.SetRoot(clientCtx.HomeDir)

coins, err := sdk.ParseCoinsNormalized(args[1])
if err != nil {
return fmt.Errorf("failed to parse coins: %w", err)
}

addr, err := sdk.AccAddressFromBech32(args[0])
if err != nil {
inBuf := bufio.NewReader(cmd.InOrStdin())
keyringBackend, err := cmd.Flags().GetString(flags.FlagKeyringBackend)
if err != nil {
return err
}

// attempt to lookup address from Keybase if no address was provided
kb, err := keyring.New(sdk.KeyringServiceName(), keyringBackend, clientCtx.HomeDir, inBuf)
if err != nil {
return err
}

info, err := kb.Key(args[0])
if err != nil {
return fmt.Errorf("failed to get address from Keybase: %w", err)
}

addr = info.GetAddress()
}

vestingStart, err := cmd.Flags().GetInt64(flagVestingStart)
if err != nil {
return err
}
vestingEnd, err := cmd.Flags().GetInt64(flagVestingEnd)
if err != nil {
return err
}
vestingAmtStr, err := cmd.Flags().GetString(flagVestingAmt)
if err != nil {
return err
}

vestingAmt, err := sdk.ParseCoinsNormalized(vestingAmtStr)
if err != nil {
return fmt.Errorf("failed to parse vesting amount: %w", 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)

if !vestingAmt.IsZero() {
baseVestingAccount := authvesting.NewBaseVestingAccount(baseAccount, vestingAmt.Sort(), vestingEnd)

if (balances.Coins.IsZero() && !baseVestingAccount.OriginalVesting.IsZero()) ||
baseVestingAccount.OriginalVesting.IsAnyGT(balances.Coins) {
return errors.New("vesting amount cannot be greater than total amount")
}

switch {
case vestingStart != 0 && vestingEnd != 0:
genAccount = authvesting.NewContinuousVestingAccountRaw(baseVestingAccount, vestingStart)

case vestingEnd != 0:
genAccount = authvesting.NewDelayedVestingAccountRaw(baseVestingAccount)

default:
return errors.New("invalid vesting parameters; must supply start and end time or end time")
}
} else {
genAccount = baseAccount
}

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(cdc, 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 := cdc.MarshalJSON(&authGenState)
if err != nil {
return fmt.Errorf("failed to marshal auth genesis state: %w", err)
}

appState[authtypes.ModuleName] = authGenStateBz

bankGenState := banktypes.GetGenesisStateFromAppState(depCdc, appState)
bankGenState.Balances = append(bankGenState.Balances, balances)
bankGenState.Balances = banktypes.SanitizeGenesisBalances(bankGenState.Balances)

bankGenStateBz, err := cdc.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.FlagKeyringBackend, flags.DefaultKeyringBackend, "Select keyring's backend (os|file|kwallet|pass|test)")
cmd.Flags().String(flags.FlagHome, defaultNodeHome, "The application home directory")
cmd.Flags().String(flagVestingAmt, "", "amount of coins for vesting accounts")
cmd.Flags().Int64(flagVestingStart, 0, "schedule start time (unix epoch) for vesting accounts")
cmd.Flags().Int64(flagVestingEnd, 0, "schedule end time (unix epoch) for vesting accounts")
flags.AddQueryFlagsToCmd(cmd)

return cmd
}
19 changes: 19 additions & 0 deletions cosmoscmd/prefix.go
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package cosmoscmd

import sdk "github.com/cosmos/cosmos-sdk/types"

func SetPrefixes(accountAddressPrefix string) {
// Set prefixes
accountPubKeyPrefix := accountAddressPrefix + "pub"
validatorAddressPrefix := accountAddressPrefix + "valoper"
validatorPubKeyPrefix := accountAddressPrefix + "valoperpub"
consNodeAddressPrefix := accountAddressPrefix + "valcons"
consNodePubKeyPrefix := accountAddressPrefix + "valconspub"

// Set and seal config
config := sdk.GetConfig()
config.SetBech32PrefixForAccount(accountAddressPrefix, accountPubKeyPrefix)
config.SetBech32PrefixForValidator(validatorAddressPrefix, validatorPubKeyPrefix)
config.SetBech32PrefixForConsensusNode(consNodeAddressPrefix, consNodePubKeyPrefix)
config.Seal()
}
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