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gends.go
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gends.go
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package cmd
import (
"encoding/json"
"fmt"
"io/ioutil"
"path/filepath"
"github.com/ODIN-PROTOCOL/odin-core/pkg/filecache"
"github.com/cosmos/cosmos-sdk/client"
"github.com/cosmos/cosmos-sdk/codec"
"github.com/cosmos/cosmos-sdk/server"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/cosmos/cosmos-sdk/x/genutil"
genutiltypes "github.com/cosmos/cosmos-sdk/x/genutil/types"
"github.com/spf13/cobra"
"github.com/tendermint/tendermint/libs/cli"
"github.com/ODIN-PROTOCOL/odin-core/x/oracle/types"
)
const (
feeFlag = "fee"
)
// AddGenesisDataSourceCmd returns add-data-source cobra Command.
func AddGenesisDataSourceCmd(defaultNodeHome string) *cobra.Command {
cmd := &cobra.Command{
Use: "add-data-source [name] [description] [owner] [filepath] (--fee [fee])",
Short: "Add a data source to genesis.json",
Args: cobra.ExactArgs(5),
RunE: func(cmd *cobra.Command, args []string) error {
clientCtx := client.GetClientContextFromCmd(cmd)
depCdc := clientCtx.JSONCodec
cdc := depCdc.(codec.Codec)
serverCtx := server.GetServerContextFromCmd(cmd)
config := serverCtx.Config
config.SetRoot(clientCtx.HomeDir)
name := args[0]
description := args[1]
f := filecache.New(filepath.Join(defaultNodeHome, "files"))
data, err := ioutil.ReadFile(args[3])
if err != nil {
return err
}
filename := f.AddFile(data)
owner, err := sdk.AccAddressFromBech32(args[2])
if err != nil {
return err
}
coinsRaw, err := cmd.Flags().GetString(feeFlag)
if err != nil {
return err
}
var coins sdk.Coins
if coinsRaw == "" {
coins = sdk.NewCoins()
} else {
coins, err = sdk.ParseCoinsNormalized(coinsRaw)
if err != nil {
return err
}
}
genFile := config.GenesisFile()
appState, genDoc, err := genutiltypes.GenesisStateFromGenFile(genFile)
if err != nil {
return fmt.Errorf("failed to unmarshal genesis state: %w", err)
}
oracleGenState := types.GetGenesisStateFromAppState(cdc, appState)
oracleGenState.DataSources = append(oracleGenState.DataSources, types.NewDataSource(
owner, name, description, filename, coins,
))
oracleGenStateBz, err := cdc.MarshalJSON(oracleGenState)
if err != nil {
return fmt.Errorf("failed to marshal auth genesis state: %w", err)
}
appState[types.ModuleName] = oracleGenStateBz
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(cli.HomeFlag, defaultNodeHome, "node's home directory")
cmd.Flags().String(feeFlag, "", "fee data requesters should pay in data providers pool")
return cmd
}