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collect.go
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collect.go
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package gensp
import (
"encoding/json"
"errors"
"fmt"
"os"
"path/filepath"
"runtime"
"sort"
"strings"
cfg "github.com/cometbft/cometbft/config"
tmtypes "github.com/cometbft/cometbft/types"
"github.com/cosmos/cosmos-sdk/client"
"github.com/cosmos/cosmos-sdk/codec"
sdk "github.com/cosmos/cosmos-sdk/types"
bankexported "github.com/cosmos/cosmos-sdk/x/bank/exported"
"github.com/cosmos/cosmos-sdk/x/genutil"
genutiltypes "github.com/cosmos/cosmos-sdk/x/genutil/types"
gensptypes "github.com/bnb-chain/greenfield/x/gensp/types"
sptypes "github.com/bnb-chain/greenfield/x/sp/types"
)
// GenAppStateFromConfig gets the genesis app state from the config
func GenAppStateFromConfig(cdc codec.JSONCodec, txEncodingConfig client.TxEncodingConfig,
config *cfg.Config, initCfg genutiltypes.InitConfig, genDoc tmtypes.GenesisDoc, genBalIterator genutiltypes.GenesisBalancesIterator,
) (appState json.RawMessage, err error) {
// process genesis transactions, else create default genesis.json
appGenTxs, persistentPeers, err := CollectTxs(
cdc, txEncodingConfig.TxJSONDecoder(), config.Moniker, initCfg.GenTxsDir, genDoc, genBalIterator,
)
if err != nil {
return appState, err
}
config.P2P.PersistentPeers = persistentPeers
cfg.WriteConfigFile(filepath.Join(config.RootDir, "config", "config.toml"), config)
// if there are no gen txs to be processed, return the default empty state
if len(appGenTxs) == 0 {
return appState, errors.New("there must be at least one genesis tx")
}
// create the app state
appGenesisState, err := genutiltypes.GenesisStateFromGenDoc(genDoc)
if err != nil {
return appState, err
}
appGenesisState, err = SetGenTxsInAppGenesisState(cdc, txEncodingConfig.TxJSONEncoder(), appGenesisState, appGenTxs)
if err != nil {
return appState, err
}
appState, err = json.MarshalIndent(appGenesisState, "", " ")
if err != nil {
return appState, err
}
genDoc.AppState = appState
err = genutil.ExportGenesisFile(&genDoc, config.GenesisFile())
return appState, err
}
// CollectTxs processes and validates application's genesis Txs and returns
// the list of appGenTxs, and persistent peers required to generate genesis.json.
func CollectTxs(cdc codec.JSONCodec, txJSONDecoder sdk.TxDecoder, moniker, genTxsDir string,
genDoc tmtypes.GenesisDoc, genBalIterator genutiltypes.GenesisBalancesIterator,
) (appGenTxs []sdk.Tx, persistentPeers string, err error) {
// prepare a map of all balances in genesis state to then validate
// against the validators addresses
var appState map[string]json.RawMessage
if err := json.Unmarshal(genDoc.AppState, &appState); err != nil {
return appGenTxs, persistentPeers, err
}
var fos []os.DirEntry
fos, err = os.ReadDir(genTxsDir)
if err != nil {
return appGenTxs, persistentPeers, err
}
balancesMap := make(map[string]bankexported.GenesisBalance)
genBalIterator.IterateGenesisBalances(
cdc, appState,
func(balance bankexported.GenesisBalance) (stop bool) {
balancesMap[balance.GetAddress().String()] = balance
return false
},
)
// addresses and IPs (and port) validator server info
var addressesIPs []string
for _, fo := range fos {
if fo.IsDir() {
continue
}
if !strings.HasSuffix(fo.Name(), ".json") {
continue
}
// get the genTx
jsonRawTx, err := os.ReadFile(filepath.Join(genTxsDir, fo.Name()))
if err != nil {
return appGenTxs, persistentPeers, err
}
genTx, err := gensptypes.ValidateAndGetGenTx(jsonRawTx, txJSONDecoder)
if err != nil {
return appGenTxs, persistentPeers, err
}
appGenTxs = append(appGenTxs, genTx)
// genesis transactions must be single-message
msgs := genTx.GetMsgs()
// TODO abstract out staking message validation back to staking
msg := msgs[0].(*sptypes.MsgCreateStorageProvider)
// validate delegator and validator addresses and funds against the accounts in the state
delAddr := msg.FundingAddress
valAddr, err := sdk.AccAddressFromHexUnsafe(msg.FundingAddress)
if err != nil {
return appGenTxs, persistentPeers, err
}
delBal, delOk := balancesMap[delAddr]
if !delOk {
_, file, no, ok := runtime.Caller(1)
if ok {
fmt.Printf("CollectTxs-1, called from %s#%d\n", file, no)
}
return appGenTxs, persistentPeers, fmt.Errorf("account %s balance not in genesis state: %+v", delAddr, balancesMap)
}
_, valOk := balancesMap[valAddr.String()]
if !valOk {
_, file, no, ok := runtime.Caller(1)
if ok {
fmt.Printf("CollectTxs-2, called from %s#%d - %s\n", file, no, sdk.AccAddress(msg.Creator).String())
}
return appGenTxs, persistentPeers, fmt.Errorf("account %s balance not in genesis state: %+v", valAddr, balancesMap)
}
if delBal.GetCoins().AmountOf(msg.Deposit.Denom).LT(msg.Deposit.Amount) {
return appGenTxs, persistentPeers, fmt.Errorf(
"insufficient fund for delegation %v: %v < %v",
delBal.GetAddress().String(), delBal.GetCoins().AmountOf(msg.Deposit.Denom), msg.Deposit.Amount,
)
}
}
sort.Strings(addressesIPs)
persistentPeers = strings.Join(addressesIPs, ",")
return appGenTxs, persistentPeers, nil
}