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* update * udpate * update * updat * update * update * update
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,123 @@ | ||
| // Copyright 2022 github.com/gagliardetto | ||
| // | ||
| // 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 ws | ||
|
|
||
| import ( | ||
| "github.com/gagliardetto/solana-go" | ||
| "github.com/gagliardetto/solana-go/rpc" | ||
| ) | ||
|
|
||
| type ParsedBlockResult struct { | ||
| Context struct { | ||
| Slot uint64 | ||
| } `json:"context"` | ||
| Value struct { | ||
| Slot uint64 `json:"slot"` | ||
| Err interface{} `json:"err,omitempty"` | ||
| Block *rpc.GetParsedBlockResult `json:"block,omitempty"` | ||
| } `json:"value"` | ||
| } | ||
|
|
||
| // NOTE: Unstable, disabled by default | ||
| // | ||
| // Subscribe to receive notification anytime a new block is Confirmed or Finalized. | ||
| // | ||
| // **This subscription is unstable and only available if the validator was started | ||
| // with the `--rpc-pubsub-enable-block-subscription` flag. The format of this | ||
| // subscription may change in the future** | ||
| func (cl *Client) ParsedBlockSubscribe( | ||
| filter BlockSubscribeFilter, | ||
| opts *BlockSubscribeOpts, | ||
| ) (*ParsedBlockSubscription, error) { | ||
| var params []interface{} | ||
| if filter != nil { | ||
| switch v := filter.(type) { | ||
| case BlockSubscribeFilterAll: | ||
| params = append(params, "all") | ||
| case *BlockSubscribeFilterMentionsAccountOrProgram: | ||
| params = append(params, rpc.M{"mentionsAccountOrProgram": v.Pubkey}) | ||
| } | ||
| } | ||
| if opts != nil { | ||
| obj := make(rpc.M) | ||
| if opts.Commitment != "" { | ||
| obj["commitment"] = opts.Commitment | ||
| } | ||
| obj["encoding"] = solana.EncodingJSONParsed | ||
| if opts.TransactionDetails != "" { | ||
| obj["transactionDetails"] = opts.TransactionDetails | ||
| } | ||
| if opts.Rewards != nil { | ||
| obj["rewards"] = opts.Rewards | ||
| } | ||
| if opts.MaxSupportedTransactionVersion != nil { | ||
| obj["maxSupportedTransactionVersion"] = *opts.MaxSupportedTransactionVersion | ||
| } | ||
| if len(obj) > 0 { | ||
| params = append(params, obj) | ||
| } | ||
| } | ||
| genSub, err := cl.subscribe( | ||
| params, | ||
| nil, | ||
| "blockSubscribe", | ||
| "blockUnsubscribe", | ||
| func(msg []byte) (interface{}, error) { | ||
| var res ParsedBlockResult | ||
| err := decodeResponseFromMessage(msg, &res) | ||
| return &res, err | ||
| }, | ||
| ) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| return &ParsedBlockSubscription{ | ||
| sub: genSub, | ||
| }, nil | ||
| } | ||
|
|
||
| type ParsedBlockSubscription struct { | ||
| sub *Subscription | ||
| } | ||
|
|
||
| func (sw *ParsedBlockSubscription) Recv() (*ParsedBlockResult, error) { | ||
| select { | ||
| case d := <-sw.sub.stream: | ||
| return d.(*ParsedBlockResult), nil | ||
| case err := <-sw.sub.err: | ||
| return nil, err | ||
| } | ||
| } | ||
|
|
||
| func (sw *ParsedBlockSubscription) Err() <-chan error { | ||
| return sw.sub.err | ||
| } | ||
|
|
||
| func (sw *ParsedBlockSubscription) Response() <-chan *ParsedBlockResult { | ||
| typedChan := make(chan *ParsedBlockResult, 1) | ||
| go func(ch chan *ParsedBlockResult) { | ||
| // TODO: will this subscription yield more than one result? | ||
| d, ok := <-sw.sub.stream | ||
| if !ok { | ||
| return | ||
| } | ||
| ch <- d.(*ParsedBlockResult) | ||
| }(typedChan) | ||
| return typedChan | ||
| } | ||
|
|
||
| func (sw *ParsedBlockSubscription) Unsubscribe() { | ||
| sw.sub.Unsubscribe() | ||
| } |
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