143 lines
3.8 KiB
Go
143 lines
3.8 KiB
Go
package app
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import (
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"os"
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abci "github.com/tendermint/abci/types"
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cmn "github.com/tendermint/tmlibs/common"
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dbm "github.com/tendermint/tmlibs/db"
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"github.com/tendermint/tmlibs/log"
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bam "github.com/cosmos/cosmos-sdk/baseapp"
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sdk "github.com/cosmos/cosmos-sdk/types"
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"github.com/cosmos/cosmos-sdk/wire"
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"github.com/cosmos/cosmos-sdk/x/auth"
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"github.com/cosmos/cosmos-sdk/x/bank"
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"github.com/cosmos/cosmos-sdk/x/ibc"
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"github.com/cosmos/cosmos-sdk/x/stake"
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)
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const (
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appName = "GaiaApp"
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)
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// default home directories for expected binaries
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var (
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DefaultCLIHome = os.ExpandEnv("$HOME/.gaiacli")
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DefaultNodeHome = os.ExpandEnv("$HOME/.gaiad")
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)
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// Extended ABCI application
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type GaiaApp struct {
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*bam.BaseApp
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cdc *wire.Codec
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// keys to access the substores
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keyMain *sdk.KVStoreKey
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keyAccount *sdk.KVStoreKey
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keyIBC *sdk.KVStoreKey
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keyStake *sdk.KVStoreKey
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// Manage getting and setting accounts
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accountMapper sdk.AccountMapper
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coinKeeper bank.Keeper
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ibcMapper ibc.Mapper
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stakeKeeper stake.Keeper
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}
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func NewGaiaApp(logger log.Logger, db dbm.DB) *GaiaApp {
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cdc := MakeCodec()
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// create your application object
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var app = &GaiaApp{
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BaseApp: bam.NewBaseApp(appName, cdc, logger, db),
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cdc: cdc,
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keyMain: sdk.NewKVStoreKey("main"),
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keyAccount: sdk.NewKVStoreKey("acc"),
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keyIBC: sdk.NewKVStoreKey("ibc"),
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keyStake: sdk.NewKVStoreKey("stake"),
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}
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// define the accountMapper
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app.accountMapper = auth.NewAccountMapper(
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app.cdc,
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app.keyAccount, // target store
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&auth.BaseAccount{}, // prototype
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)
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// add handlers
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app.coinKeeper = bank.NewKeeper(app.accountMapper)
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app.ibcMapper = ibc.NewMapper(app.cdc, app.keyIBC, app.RegisterCodespace(ibc.DefaultCodespace))
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app.stakeKeeper = stake.NewKeeper(app.cdc, app.keyStake, app.coinKeeper, app.RegisterCodespace(stake.DefaultCodespace))
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// register message routes
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app.Router().
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AddRoute("bank", bank.NewHandler(app.coinKeeper)).
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AddRoute("ibc", ibc.NewHandler(app.ibcMapper, app.coinKeeper)).
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AddRoute("stake", stake.NewHandler(app.stakeKeeper))
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// initialize BaseApp
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app.SetInitChainer(app.initChainer)
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app.SetEndBlocker(stake.NewEndBlocker(app.stakeKeeper))
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app.MountStoresIAVL(app.keyMain, app.keyAccount, app.keyIBC, app.keyStake)
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app.SetAnteHandler(auth.NewAnteHandler(app.accountMapper, stake.FeeHandler))
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err := app.LoadLatestVersion(app.keyMain)
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if err != nil {
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cmn.Exit(err.Error())
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}
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return app
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}
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// custom tx codec
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func MakeCodec() *wire.Codec {
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var cdc = wire.NewCodec()
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ibc.RegisterWire(cdc)
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bank.RegisterWire(cdc)
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stake.RegisterWire(cdc)
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auth.RegisterWire(cdc)
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sdk.RegisterWire(cdc)
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wire.RegisterCrypto(cdc)
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return cdc
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}
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// custom logic for gaia initialization
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func (app *GaiaApp) initChainer(ctx sdk.Context, req abci.RequestInitChain) abci.ResponseInitChain {
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stateJSON := req.AppStateBytes
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genesisState := new(GenesisState)
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err := app.cdc.UnmarshalJSON(stateJSON, genesisState)
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if err != nil {
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panic(err) // TODO https://github.com/cosmos/cosmos-sdk/issues/468
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// return sdk.ErrGenesisParse("").TraceCause(err, "")
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}
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// load the accounts
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for _, gacc := range genesisState.Accounts {
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acc := gacc.ToAccount()
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app.accountMapper.SetAccount(ctx, acc)
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}
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// load the initial stake information
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stake.InitGenesis(ctx, app.stakeKeeper, genesisState.StakeData)
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return abci.ResponseInitChain{}
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}
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// custom logic for export
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func (app *GaiaApp) ExportGenesis() interface{} {
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ctx := app.NewContext(true, abci.Header{})
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accounts := []GenesisAccount{}
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app.accountMapper.IterateAccounts(ctx, func(a sdk.Account) bool {
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accounts = append(accounts, GenesisAccount{
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Address: a.GetAddress(),
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Coins: a.GetCoins(),
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})
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return false
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})
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return GenesisState{
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Accounts: accounts,
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StakeData: stake.WriteGenesis(ctx, app.stakeKeeper),
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}
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}
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