-
Notifications
You must be signed in to change notification settings - Fork 0
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Merge pull request #188 from blinklabs-io/feat/refactor-submit
feat: refactor submit into top-level package
- Loading branch information
Showing
2 changed files
with
127 additions
and
70 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,100 @@ | ||
| // Copyright 2023 Blink Labs Software | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| package submit | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "time" | ||
|
|
||
| ouroboros "github.com/blinklabs-io/gouroboros" | ||
| "github.com/blinklabs-io/gouroboros/ledger" | ||
| "github.com/blinklabs-io/gouroboros/protocol/localtxsubmission" | ||
| ) | ||
|
|
||
| type Config struct { | ||
| ErrorChan chan error | ||
| Network string | ||
| NetworkMagic uint32 | ||
| NodeAddress string | ||
| NodePort uint | ||
| SocketPath string | ||
| Timeout uint | ||
| } | ||
|
|
||
| func SubmitTx(cfg *Config, txRawBytes []byte) (string, error) { | ||
| // Determine transaction type (era) | ||
| txType, err := ledger.DetermineTransactionType(txRawBytes) | ||
| if err != nil { | ||
| return "", fmt.Errorf("could not parse transaction to determine type: %s", err) | ||
| } | ||
| tx, err := ledger.NewTransactionFromCbor(txType, txRawBytes) | ||
| if err != nil { | ||
| return "", fmt.Errorf("failed to parse transaction CBOR: %s", err) | ||
| } | ||
|
|
||
| err = cfg.populateNetworkMagic() | ||
| if err != nil { | ||
| return "", fmt.Errorf("failed to populate networkMagic: %s", err) | ||
| } | ||
|
|
||
| // Connect to cardano-node and submit TX using Ouroboros LocalTxSubmission | ||
| oConn, err := ouroboros.NewConnection( | ||
| ouroboros.WithNetworkMagic(uint32(cfg.NetworkMagic)), | ||
| ouroboros.WithErrorChan(cfg.ErrorChan), | ||
| ouroboros.WithNodeToNode(false), | ||
| ouroboros.WithLocalTxSubmissionConfig( | ||
| localtxsubmission.NewConfig( | ||
| localtxsubmission.WithTimeout( | ||
| time.Duration(cfg.Timeout)*time.Second, | ||
| ), | ||
| ), | ||
| ), | ||
| ) | ||
| if err != nil { | ||
| return "", fmt.Errorf("failure creating Ouroboros connection: %s", err) | ||
| } | ||
| if cfg.NodeAddress != "" && cfg.NodePort > 0 { | ||
| if err := oConn.Dial("tcp", fmt.Sprintf("%s:%d", cfg.NodeAddress, cfg.NodePort)); err != nil { | ||
| return "", fmt.Errorf("failure connecting to node via TCP: %s", err) | ||
| } | ||
| } else { | ||
| if err := oConn.Dial("unix", cfg.SocketPath); err != nil { | ||
| return "", fmt.Errorf("failure connecting to node via UNIX socket: %s", err) | ||
| } | ||
| } | ||
| defer func() { | ||
| // Close Ouroboros connection | ||
| oConn.Close() | ||
| }() | ||
| // Submit the transaction | ||
| if err := oConn.LocalTxSubmission().Client.SubmitTx(uint16(txType), txRawBytes); err != nil { | ||
| return "", fmt.Errorf("%s", err.Error()) | ||
| } | ||
| return tx.Hash(), nil | ||
| } | ||
|
|
||
| func (c *Config) populateNetworkMagic() error { | ||
| if c.NetworkMagic == 0 { | ||
| if c.Network != "" { | ||
| network := ouroboros.NetworkByName(c.Network) | ||
| if network == ouroboros.NetworkInvalid { | ||
| return fmt.Errorf("unknown network: %s", c.Network) | ||
| } | ||
| c.NetworkMagic = uint32(network.NetworkMagic) | ||
| return nil | ||
| } | ||
| } | ||
| return nil | ||
| } |