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Merge pull request #1 from maticnetwork/span-sync
MAT-156 Span sync
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,14 @@ | ||
| package bor | ||
|
|
||
| import ( | ||
| "github.com/ethereum/go-ethereum/common" | ||
| ) | ||
|
|
||
| // EventRecord represents state record | ||
| type EventRecord struct { | ||
| ID uint64 `json:"id" yaml:"id"` | ||
| Contract common.Address `json:"contract" yaml:"contract"` | ||
| Data []byte `json:"data" yaml:"data"` | ||
| TxHash common.Hash `json:"tx_hash" yaml:"tx_hash"` | ||
| LogIndex uint64 `json:"log_index" yaml:"log_index"` | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,56 @@ | ||
| package bor | ||
|
|
||
| import ( | ||
| "encoding/json" | ||
| "fmt" | ||
| "io/ioutil" | ||
| "net/http" | ||
| "net/url" | ||
| "path" | ||
| ) | ||
|
|
||
| // ResponseWithHeight defines a response object type that wraps an original | ||
| // response with a height. | ||
| type ResponseWithHeight struct { | ||
| Height string `json:"height"` | ||
| Result json.RawMessage `json:"result"` | ||
| } | ||
|
|
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| // FetchFromHeimdall returns data from heimdall | ||
| func FetchFromHeimdall(client http.Client, urlString string, paths ...string) (*ResponseWithHeight, error) { | ||
| u, err := url.Parse(urlString) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| for _, e := range paths { | ||
| if e != "" { | ||
| u.Path = path.Join(u.Path, e) | ||
| } | ||
| } | ||
|
|
||
| res, err := client.Get(u.String()) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| defer res.Body.Close() | ||
|
|
||
| // check status code | ||
| if res.StatusCode != 200 { | ||
| return nil, fmt.Errorf("Error while fetching data from Heimdall") | ||
| } | ||
|
|
||
| // get response | ||
| body, err := ioutil.ReadAll(res.Body) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
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| // unmarshall data from buffer | ||
| var response ResponseWithHeight | ||
| if err := json.Unmarshal(body, &response); err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| return &response, nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,16 @@ | ||
| package bor | ||
|
|
||
| // Span represents a current bor span | ||
| type Span struct { | ||
| ID uint64 `json:"span_id" yaml:"span_id"` | ||
| StartBlock uint64 `json:"start_block" yaml:"start_block"` | ||
| EndBlock uint64 `json:"end_block" yaml:"end_block"` | ||
| } | ||
|
|
||
| // HeimdallSpan represents span from heimdall APIs | ||
| type HeimdallSpan struct { | ||
| Span | ||
| ValidatorSet ValidatorSet `json:"validator_set" yaml:"validator_set"` | ||
| SelectedProducers []Validator `json:"selected_producers" yaml:"selected_producers"` | ||
| ChainID string `json:"bor_chain_id" yaml:"bor_chain_id"` | ||
| } |
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