cosmos-sdk/x/genutil/gentx.go

86 lines
2.3 KiB
Go

package genutil
// DONTCOVER
import (
"encoding/json"
"fmt"
abci "github.com/tendermint/tendermint/abci/types"
"github.com/cosmos/cosmos-sdk/codec"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/cosmos/cosmos-sdk/x/auth"
"github.com/cosmos/cosmos-sdk/x/staking"
)
// ValidateAccountInGenesis checks that the provided key has sufficient
// coins in the genesis accounts
func ValidateAccountInGenesis(appGenesisState map[string]json.RawMessage,
genAccIterator GenesisAccountsIterator,
key sdk.AccAddress, coins sdk.Coins, cdc *codec.Codec) error {
accountIsInGenesis := false
// TODO refactor out bond denom to common state area
stakingDataBz := appGenesisState[staking.ModuleName]
var stakingData staking.GenesisState
cdc.MustUnmarshalJSON(stakingDataBz, &stakingData)
bondDenom := stakingData.Params.BondDenom
genUtilDataBz := appGenesisState[staking.ModuleName]
var genesisState GenesisState
cdc.MustUnmarshalJSON(genUtilDataBz, &genesisState)
var err error
genAccIterator.IterateGenesisAccounts(cdc, appGenesisState,
func(acc auth.Account) (stop bool) {
accAddress := acc.GetAddress()
accCoins := acc.GetCoins()
// Ensure that account is in genesis
if accAddress.Equals(key) {
// Ensure account contains enough funds of default bond denom
if coins.AmountOf(bondDenom).GT(accCoins.AmountOf(bondDenom)) {
err = fmt.Errorf(
"account %v is in genesis, but it only has %v%v available to stake, not %v%v",
key.String(), accCoins.AmountOf(bondDenom), bondDenom, coins.AmountOf(bondDenom), bondDenom,
)
return true
}
accountIsInGenesis = true
return true
}
return false
},
)
if err != nil {
return err
}
if !accountIsInGenesis {
return fmt.Errorf("account %s in not in the app_state.accounts array of genesis.json", key)
}
return nil
}
type deliverTxfn func(abci.RequestDeliverTx) abci.ResponseDeliverTx
// deliver a genesis transaction
func DeliverGenTxs(ctx sdk.Context, cdc *codec.Codec, genTxs []json.RawMessage,
stakingKeeper StakingKeeper, deliverTx deliverTxfn) []abci.ValidatorUpdate {
for _, genTx := range genTxs {
var tx auth.StdTx
cdc.MustUnmarshalJSON(genTx, &tx)
bz := cdc.MustMarshalBinaryLengthPrefixed(tx)
res := deliverTx(abci.RequestDeliverTx{Tx: bz})
if !res.IsOK() {
panic(res.Log)
}
}
return stakingKeeper.ApplyAndReturnValidatorSetUpdates(ctx)
}