mirror of https://github.com/poanetwork/quorum.git
49 lines
1.0 KiB
Go
49 lines
1.0 KiB
Go
package private
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import (
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"encoding/hex"
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"fmt"
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"os"
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"github.com/ethereum/go-ethereum/private/constellation"
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)
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type PrivateTransactionManager interface {
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Send(data []byte, from string, to []string) ([]byte, error)
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Receive(data []byte) ([]byte, error)
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}
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func FromEnvironmentOrNil(name string) PrivateTransactionManager {
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cfgPath := os.Getenv(name)
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if cfgPath == "" {
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return nil
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}
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return constellation.MustNew(cfgPath)
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}
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var P = FromEnvironmentOrNil("PRIVATE_CONFIG")
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func GetPayload(digestHex string) (string, error) {
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if P == nil {
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return "", fmt.Errorf("PrivateTransactionManager is not enabled")
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}
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if len(digestHex) < 3 {
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return "", fmt.Errorf("Invalid digest hex")
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}
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if digestHex[:2] == "0x" {
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digestHex = digestHex[2:]
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}
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b, err := hex.DecodeString(digestHex)
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if err != nil {
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return "", err
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}
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if len(b) != 64 {
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return "", fmt.Errorf("Expected a Quorum digest of length 64, but got %d", len(b))
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}
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data, err := P.Receive(b)
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if err != nil {
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return "", err
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}
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return fmt.Sprintf("0x%x", data), nil
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}
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