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exec.go
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exec.go
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package exec
import (
"encoding/json"
"fmt"
"sort"
"strings"
"github.com/aergoio/aergo-lib/log"
"github.com/aergoio/aergo/cmd/brick/context"
"github.com/aergoio/aergo/types"
"github.com/rs/zerolog"
)
var logger = log.NewLogger("brick")
var storedCmdLine = ""
type Executor interface {
Command() string
Syntax() string
Usage() string
Describe() string
Validate(args string) error
Run(args string) (string, uint64, []*types.Event, error)
}
var execImpls = make(map[string]Executor)
func registerExec(executor Executor) {
execImpls[executor.Command()] = executor
Index(context.CommandSymbol, executor.Command())
}
func GetExecutor(cmd string) Executor {
return execImpls[cmd]
}
func AllExecutors() []Executor {
var result []Executor
for _, executor := range execImpls {
result = append(result, executor)
}
sort.Slice(result, func(i, j int) bool {
return strings.Compare(result[i].Command(), result[j].Command()) < 0
})
return result
}
func Broker(cmdStr string) {
cmd, args := context.ParseFirstWord(cmdStr)
if len(cmd) == 0 || context.Comment == cmd {
return
}
Execute(cmd, args)
}
func Execute(cmd, args string) {
executor := GetExecutor(cmd)
if executor == nil {
letBatchKnowErr = fmt.Errorf("command not found: %s", cmd)
batchErrorCount++
logger.Error().Str("cmd", cmd).Msg("command not found")
return
}
if err := executor.Validate(args); err != nil {
letBatchKnowErr = err
batchErrorCount++
logger.Error().Err(err).Str("cmd", cmd).Msg("validation fail")
return
}
result, gasUsed, events, err := executor.Run(args)
if err != nil {
letBatchKnowErr = err
batchErrorCount++
logger.Error().Err(err).Str("cmd", cmd).Msg("execution fail")
return
}
eventArray := zerolog.Arr()
for _, event := range events {
eventArgs := zerolog.Arr()
var parsedArgs []interface{}
json.Unmarshal([]byte(event.GetJsonArgs()), &parsedArgs)
for _, v := range parsedArgs {
eventArgs.Interface(v)
}
eventArray.RawJSON([]byte(fmt.Sprintf(`{"name":"%s", "args":%s}`, event.GetEventName(), event.GetJsonArgs())))
}
logEntry := logger.Info().Str("cmd", cmd)
if gasUsed > 0 {
logEntry.Uint64("gas", gasUsed)
}
if events != nil {
logEntry.Array("events", eventArray)
}
logEntry.Msg(result)
}