mirror of
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58 lines
1.5 KiB
Go
58 lines
1.5 KiB
Go
package cmdutil
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import (
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"fmt"
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"os"
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"strings"
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"github.com/c9s/bbgo/pkg/exchange/binance"
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"github.com/c9s/bbgo/pkg/exchange/ftx"
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"github.com/c9s/bbgo/pkg/exchange/max"
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"github.com/c9s/bbgo/pkg/exchange/okex"
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"github.com/c9s/bbgo/pkg/types"
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)
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func NewExchangeStandard(n types.ExchangeName, key, secret, passphrase, subAccount string) (types.Exchange, error) {
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switch n {
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case types.ExchangeFTX:
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return ftx.NewExchange(key, secret, subAccount), nil
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case types.ExchangeBinance:
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return binance.New(key, secret), nil
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case types.ExchangeMax:
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return max.New(key, secret), nil
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case types.ExchangeOKEx:
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return okex.New(key, secret, passphrase), nil
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default:
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return nil, fmt.Errorf("unsupported exchange: %v", n)
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}
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}
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func NewExchangeWithEnvVarPrefix(n types.ExchangeName, varPrefix string) (types.Exchange, error) {
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if len(varPrefix) == 0 {
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varPrefix = n.String()
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}
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varPrefix = strings.ToUpper(varPrefix)
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key := os.Getenv(varPrefix + "_API_KEY")
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secret := os.Getenv(varPrefix + "_API_SECRET")
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if len(key) == 0 || len(secret) == 0 {
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return nil, fmt.Errorf("can not initialize exchange %s: empty key or secret, env var prefix: %s", n, varPrefix)
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}
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passphrase := os.Getenv(varPrefix + "_API_PASSPHRASE")
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subAccount := os.Getenv(varPrefix + "_SUBACCOUNT")
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return NewExchangeStandard(n, key, secret, passphrase, subAccount)
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}
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// NewExchange constructor exchange object from viper config.
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func NewExchange(n types.ExchangeName) (types.Exchange, error) {
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return NewExchangeWithEnvVarPrefix(n, "")
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}
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