74 lines
1.9 KiB
Go
74 lines
1.9 KiB
Go
package context
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import (
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"fmt"
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"github.com/spf13/viper"
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tcmd "github.com/tendermint/tendermint/cmd/tendermint/commands"
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rpcclient "github.com/tendermint/tendermint/rpc/client"
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tmtypes "github.com/tendermint/tendermint/types"
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"github.com/cosmos/cosmos-sdk/client"
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)
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// NewCoreContextFromViper - return a new context with parameters from the command line
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func NewCoreContextFromViper() CoreContext {
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nodeURI := viper.GetString(client.FlagNode)
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var rpc rpcclient.Client
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if nodeURI != "" {
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rpc = rpcclient.NewHTTP(nodeURI, "/websocket")
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}
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chainID := viper.GetString(client.FlagChainID)
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// if chain ID is not specified manually, read default chain ID
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if chainID == "" {
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def, err := defaultChainID()
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if err != nil {
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chainID = def
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}
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}
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return CoreContext{
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ChainID: chainID,
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Height: viper.GetInt64(client.FlagHeight),
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TrustNode: viper.GetBool(client.FlagTrustNode),
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FromAddressName: viper.GetString(client.FlagName),
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NodeURI: nodeURI,
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Sequence: viper.GetInt64(client.FlagSequence),
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Client: rpc,
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Decoder: nil,
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AccountStore: "acc",
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}
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}
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// read chain ID from genesis file, if present
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func defaultChainID() (string, error) {
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cfg, err := tcmd.ParseConfig()
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if err != nil {
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return "", err
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}
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doc, err := tmtypes.GenesisDocFromFile(cfg.GenesisFile())
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if err != nil {
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return "", err
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}
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return doc.ChainID, nil
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}
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// EnsureSequence - automatically set sequence number if none provided
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func EnsureSequence(ctx CoreContext) (CoreContext, error) {
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// Should be viper.IsSet, but this does not work - https://github.com/spf13/viper/pull/331
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if viper.GetInt64(client.FlagSequence) != 0 {
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return ctx, nil
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}
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from, err := ctx.GetFromAddress()
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if err != nil {
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return ctx, err
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}
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seq, err := ctx.NextSequence(from)
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if err != nil {
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return ctx, err
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}
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fmt.Printf("Defaulting to next sequence number: %d\n", seq)
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ctx = ctx.WithSequence(seq)
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return ctx, nil
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}
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