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Add startrunoff blobs for RFP parents
Concurrent parsing for comments/ballot journals on the same prop thread Verify cast vote blobs / auth vote blobs Cleanups in general
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,94 @@ | ||
| package main | ||
|
|
||
| import ( | ||
| "bytes" | ||
| "encoding/json" | ||
| "fmt" | ||
| "io/ioutil" | ||
| "net/http" | ||
|
|
||
| dcrdata "github.com/decred/dcrdata/v6/api/types" | ||
| ) | ||
|
|
||
| // Get largest commitment address from dcrdata | ||
| func batchTransactions(hashes []string) ([]dcrdata.TrimmedTx, error) { | ||
| // Request body is dcrdataapi.Txns marshalled to JSON | ||
| reqBody, err := json.Marshal(dcrdata.Txns{ | ||
| Transactions: hashes, | ||
| }) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| // Make the POST request | ||
| url := "https://dcrdata.decred.org/api/txs/trimmed" | ||
| r, err := http.Post(url, "application/json; charset=utf-8", | ||
| bytes.NewReader(reqBody)) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| defer r.Body.Close() | ||
|
|
||
| if r.StatusCode != http.StatusOK { | ||
| body, err := ioutil.ReadAll(r.Body) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("dcrdata error: %v %v %v", | ||
| r.StatusCode, url, err) | ||
| } | ||
| return nil, fmt.Errorf("dcrdata error: %v %v %s", | ||
| r.StatusCode, url, body) | ||
| } | ||
|
|
||
| // Unmarshal the response | ||
| var ttx []dcrdata.TrimmedTx | ||
| decoder := json.NewDecoder(r.Body) | ||
| if err := decoder.Decode(&ttx); err != nil { | ||
| return nil, err | ||
| } | ||
| return ttx, nil | ||
| } | ||
|
|
||
| func largestCommitmentAddresses(hashes []string) (map[string]largestCommitmentResult, error) { | ||
| // Batch request all of the transaction info from dcrdata. | ||
| ttxs, err := batchTransactions(hashes) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| // Find largest commitment address for each transaction. | ||
| addrs := make(map[string]largestCommitmentResult, len(hashes)) | ||
|
|
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| for i := range ttxs { | ||
| // Best is address with largest commit amount. | ||
| var bestAddr string | ||
| var bestAmount float64 | ||
| for _, v := range ttxs[i].Vout { | ||
| if v.ScriptPubKeyDecoded.CommitAmt == nil { | ||
| continue | ||
| } | ||
| if *v.ScriptPubKeyDecoded.CommitAmt > bestAmount { | ||
| if len(v.ScriptPubKeyDecoded.Addresses) == 0 { | ||
| // jrick, does this need to be printed? | ||
| fmt.Errorf("unexpected addresses "+ | ||
| "length: %v", ttxs[i].TxID) | ||
| continue | ||
| } | ||
| bestAddr = v.ScriptPubKeyDecoded.Addresses[0] | ||
| bestAmount = *v.ScriptPubKeyDecoded.CommitAmt | ||
| } | ||
| } | ||
|
|
||
| if bestAddr == "" || bestAmount == 0.0 { | ||
| addrs[ttxs[i].TxID] = largestCommitmentResult{ | ||
| err: fmt.Errorf("no best commitment address found: %v", | ||
| ttxs[i].TxID), | ||
| } | ||
| continue | ||
| } | ||
| addrs[ttxs[i].TxID] = largestCommitmentResult{ | ||
| bestAddr: bestAddr, | ||
| } | ||
| } | ||
|
|
||
| return addrs, nil | ||
| } |
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