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parsers.go
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parsers.go
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package parse
import (
"fmt"
"math/big"
"net"
"net/url"
"path/filepath"
"strconv"
"time"
"github.com/mitchellh/go-homedir"
"github.com/pkg/errors"
"go.uber.org/zap/zapcore"
"github.com/smartcontractkit/chainlink/core/assets"
"github.com/smartcontractkit/chainlink/core/static"
"github.com/smartcontractkit/chainlink/core/utils"
)
func String(str string) (string, error) {
return str, nil
}
func Link(str string) (*assets.Link, error) {
i, ok := new(assets.Link).SetString(str, 10)
if !ok {
return i, fmt.Errorf("unable to parse '%v' into *assets.Link(base 10)", str)
}
return i, nil
}
func LogLevel(str string) (zapcore.Level, error) {
var lvl zapcore.Level
err := lvl.Set(str)
return lvl, err
}
func Uint16(s string) (uint16, error) {
v, err := strconv.ParseUint(s, 10, 16)
return uint16(v), err
}
func Uint32(s string) (uint32, error) {
v, err := strconv.ParseUint(s, 10, 32)
return uint32(v), err
}
func Uint64(s string) (uint64, error) {
v, err := strconv.ParseUint(s, 10, 64)
return v, err
}
func Int64(s string) (int64, error) {
v, err := strconv.ParseInt(s, 10, 64)
return v, err
}
func F32(s string) (float32, error) {
v, err := strconv.ParseFloat(s, 32)
return float32(v), err
}
// URL converts string to parsed URL type
func URL(s string) (interface{}, error) {
return url.Parse(s)
}
// IP converts string to parsed IP type
func IP(s string) (interface{}, error) {
return net.ParseIP(s), nil
}
// Duration converts string to parsed Duratin type
func Duration(s string) (interface{}, error) {
return time.ParseDuration(s)
}
func FileSize(s string) (utils.FileSize, error) {
var fs utils.FileSize
err := fs.UnmarshalText([]byte(s))
return fs, err
}
// Bool parses string as a bool type
func Bool(s string) (interface{}, error) {
return strconv.ParseBool(s)
}
func BigInt(str string) (*big.Int, error) {
i, ok := new(big.Int).SetString(str, 10)
if !ok {
return i, fmt.Errorf("unable to parse %v into *big.Int(base 10)", str)
}
return i, nil
}
func Wei(str string) (w *assets.Wei, err error) {
w = new(assets.Wei)
err = w.UnmarshalText([]byte(str))
return w, err
}
func HomeDir(str string) (string, error) {
exp, err := homedir.Expand(str)
if err != nil {
return "", err
}
return filepath.ToSlash(exp), nil
}
func DatabaseURL(s string) (url.URL, error) {
uri, err := url.Parse(s)
if err != nil {
return url.URL{}, errors.Wrapf(err, "invalid database url %s", s)
}
if uri.String() == "" {
return *uri, nil
}
static.SetConsumerName(uri, "Default", nil)
return *uri, nil
}