Added cardano connector plugin #1636
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,47 @@ | ||
| // Copyright © 2025 Kaleido, Inc. | ||
| // | ||
| // SPDX-License-Identifier: Apache-2.0 | ||
| // | ||
| // 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. | ||
|
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| package cardano | ||
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| import ( | ||
| "github.com/hyperledger/firefly-common/pkg/config" | ||
| "github.com/hyperledger/firefly-common/pkg/wsclient" | ||
| ) | ||
|
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| const ( | ||
| defaultBatchSize = 50 | ||
| defaultBatchTimeout = 500 | ||
| ) | ||
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| const ( | ||
| // CardanoconnectConfigKey is a sub-key in the config to contain all the cardanoconnect specific config | ||
| CardanoconnectConfigKey = "cardanoconnect" | ||
| // CardanoconnectConfigTopic is the websocket listen topic that the node should register on, which is important if there are multiple | ||
| // nodes using a single cardanoconnect | ||
| CardanoconnectConfigTopic = "topic" | ||
| // CardanoconnectConfigBatchSize is the batch size to configure on event streams, when auto-defining them | ||
| CardanoconnectConfigBatchSize = "batchSize" | ||
| // CardanoconnectConfigBatchTimeout is the batch timeout to configure on event streams, when auto-defining them | ||
| CardanoconnectConfigBatchTimeout = "batchTimeout" | ||
| ) | ||
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| func (c *Cardano) InitConfig(config config.Section) { | ||
| c.cardanoconnectConf = config.SubSection(CardanoconnectConfigKey) | ||
| wsclient.InitConfig(c.cardanoconnectConf) | ||
| c.cardanoconnectConf.AddKnownKey(CardanoconnectConfigTopic) | ||
| c.cardanoconnectConf.AddKnownKey(CardanoconnectConfigBatchSize, defaultBatchSize) | ||
| c.cardanoconnectConf.AddKnownKey(CardanoconnectConfigBatchTimeout, defaultBatchTimeout) | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,213 @@ | ||
| // Copyright © 2025 Kaleido, Inc. | ||
| // | ||
| // SPDX-License-Identifier: Apache-2.0 | ||
| // | ||
| // 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. | ||
|
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| package cardano | ||
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| import ( | ||
| "context" | ||
| "fmt" | ||
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| "github.com/go-resty/resty/v2" | ||
| "github.com/hyperledger/firefly-common/pkg/ffresty" | ||
| "github.com/hyperledger/firefly-common/pkg/log" | ||
| "github.com/hyperledger/firefly/internal/coremsgs" | ||
| ) | ||
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| type streamManager struct { | ||
| client *resty.Client | ||
| batchSize uint | ||
| batchTimeout uint | ||
| } | ||
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| type eventStream struct { | ||
| ID string `json:"id"` | ||
| Name string `json:"name"` | ||
| ErrorHandling string `json:"errorHandling"` | ||
| BatchSize uint `json:"batchSize"` | ||
| BatchTimeoutMS uint `json:"batchTimeoutMS"` | ||
| Type string `json:"type"` | ||
| Timestamps bool `json:"timestamps"` | ||
| } | ||
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| type listener struct { | ||
| ID string `json:"id"` | ||
| Name string `json:"name,omitempty"` | ||
| } | ||
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| type filter struct { | ||
| Event eventfilter `json:"event"` | ||
| } | ||
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| type eventfilter struct { | ||
| Contract string `json:"contract"` | ||
| EventPath string `json:"eventPath"` | ||
| } | ||
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| func newStreamManager(client *resty.Client, batchSize, batchTimeout uint) *streamManager { | ||
| return &streamManager{ | ||
| client: client, | ||
| batchSize: batchSize, | ||
| batchTimeout: batchTimeout, | ||
| } | ||
| } | ||
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| func (s *streamManager) getEventStreams(ctx context.Context) (streams []*eventStream, err error) { | ||
| res, err := s.client.R(). | ||
| SetContext(ctx). | ||
| SetResult(&streams). | ||
| Get("/eventstreams") | ||
| if err != nil || !res.IsSuccess() { | ||
| return nil, ffresty.WrapRestErr(ctx, res, err, coremsgs.MsgCardanoconnectRESTErr) | ||
| } | ||
| return streams, nil | ||
| } | ||
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| func buildEventStream(topic string, batchSize, batchTimeout uint) *eventStream { | ||
| return &eventStream{ | ||
| Name: topic, | ||
| ErrorHandling: "block", | ||
| BatchSize: batchSize, | ||
| BatchTimeoutMS: batchTimeout, | ||
| Type: "websocket", | ||
| Timestamps: true, | ||
| } | ||
| } | ||
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| func (s *streamManager) createEventStream(ctx context.Context, topic string) (*eventStream, error) { | ||
| stream := buildEventStream(topic, s.batchSize, s.batchTimeout) | ||
| res, err := s.client.R(). | ||
| SetContext(ctx). | ||
| SetBody(stream). | ||
| SetResult(stream). | ||
| Post("/eventstreams") | ||
| if err != nil || !res.IsSuccess() { | ||
| return nil, ffresty.WrapRestErr(ctx, res, err, coremsgs.MsgCardanoconnectRESTErr) | ||
| } | ||
| return stream, nil | ||
| } | ||
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| func (s *streamManager) updateEventStream(ctx context.Context, topic string, batchSize, batchTimeout uint, eventStreamID string) (*eventStream, error) { | ||
| stream := buildEventStream(topic, batchSize, batchTimeout) | ||
| res, err := s.client.R(). | ||
| SetContext(ctx). | ||
| SetBody(stream). | ||
| SetResult(stream). | ||
| Patch("/eventstreams/" + eventStreamID) | ||
| if err != nil || !res.IsSuccess() { | ||
| return nil, ffresty.WrapRestErr(ctx, res, err, coremsgs.MsgCardanoconnectRESTErr) | ||
| } | ||
| return stream, nil | ||
| } | ||
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| func (s *streamManager) ensureEventStream(ctx context.Context, topic string) (*eventStream, error) { | ||
| existingStreams, err := s.getEventStreams(ctx) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| for _, stream := range existingStreams { | ||
| if stream.Name == topic { | ||
| stream, err = s.updateEventStream(ctx, topic, s.batchSize, s.batchTimeout, stream.ID) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| return stream, nil | ||
| } | ||
| } | ||
| return s.createEventStream(ctx, topic) | ||
| } | ||
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| func (s *streamManager) getListener(ctx context.Context, streamID string, listenerID string, okNotFound bool) (listener *listener, err error) { | ||
| res, err := s.client.R(). | ||
| SetContext(ctx). | ||
| SetResult(&listener). | ||
| Get(fmt.Sprintf("/eventstreams/%s/listeners/%s", streamID, listenerID)) | ||
| if err != nil || !res.IsSuccess() { | ||
| if okNotFound && res.StatusCode() == 404 { | ||
| return nil, nil | ||
| } | ||
| return nil, ffresty.WrapRestErr(ctx, res, err, coremsgs.MsgCardanoconnectRESTErr) | ||
| } | ||
| return listener, nil | ||
| } | ||
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| func (s *streamManager) getListeners(ctx context.Context, streamID string) (listeners *[]listener, err error) { | ||
| res, err := s.client.R(). | ||
| SetContext(ctx). | ||
| SetResult(&listeners). | ||
| Get(fmt.Sprintf("/eventstreams/%s/listeners", streamID)) | ||
| if err != nil || !res.IsSuccess() { | ||
| return nil, ffresty.WrapRestErr(ctx, res, err, coremsgs.MsgCardanoconnectRESTErr) | ||
| } | ||
| return listeners, nil | ||
| } | ||
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| func (s *streamManager) createListener(ctx context.Context, streamID, name, lastEvent string, filters []filter) (listener *listener, err error) { | ||
| body := map[string]interface{}{ | ||
| "name": name, | ||
| "type": "events", | ||
| "fromBlock": lastEvent, | ||
| "filters": filters, | ||
| } | ||
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| res, err := s.client.R(). | ||
| SetContext(ctx). | ||
| SetBody(body). | ||
| SetResult(&listener). | ||
| Post(fmt.Sprintf("/eventstreams/%s/listeners", streamID)) | ||
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| if err != nil || !res.IsSuccess() { | ||
| return nil, ffresty.WrapRestErr(ctx, res, err, coremsgs.MsgCardanoconnectRESTErr) | ||
| } | ||
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| return listener, nil | ||
| } | ||
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| func (s *streamManager) deleteListener(ctx context.Context, streamID, listenerID string) error { | ||
| res, err := s.client.R(). | ||
| SetContext(ctx). | ||
| Delete(fmt.Sprintf("/eventstreams/%s/listeners/%s", streamID, listenerID)) | ||
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| if err != nil || !res.IsSuccess() { | ||
| return ffresty.WrapRestErr(ctx, res, err, coremsgs.MsgCardanoconnectRESTErr) | ||
| } | ||
| return nil | ||
| } | ||
|
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| func (s *streamManager) ensureFireFlyListener(ctx context.Context, namespace string, version int, address, firstEvent, streamID string) (l *listener, err error) { | ||
| existingListeners, err := s.getListeners(ctx, streamID) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
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| name := fmt.Sprintf("%s_%d_BatchPin", namespace, version) | ||
| for _, l := range *existingListeners { | ||
| if l.Name == name { | ||
| return &l, nil | ||
| } | ||
| } | ||
|
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| filters := []filter{{ | ||
| eventfilter{ | ||
| Contract: address, | ||
| EventPath: "BatchPin", | ||
| }, | ||
| }} | ||
| if l, err = s.createListener(ctx, streamID, name, firstEvent, filters); err != nil { | ||
| return nil, err | ||
| } | ||
| log.L(ctx).Infof("BatchPin subscription: %s", l.ID) | ||
| return l, nil | ||
| } | ||
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Update all copyrights to be the company you work for in the new files added