100 lines
2.4 KiB
Go
100 lines
2.4 KiB
Go
package chains
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import (
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"context"
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"fmt"
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"strings"
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"github.com/ethereum/go-ethereum/rpc"
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"github.com/wormhole-foundation/wormhole-explorer/txtracker/config"
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)
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type ankrGetTransactionByHashParams struct {
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TransactionHash string `json:"transactionHash"`
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DecodeLogs bool `json:"decodeLogs"`
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DecodeTxData bool `json:"decodeTxData"`
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}
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type ankrGetTransactionsByHashResponse struct {
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Transactions []ankrTransaction `json:"transactions"`
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}
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type ankrTransaction struct {
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From string `json:"from"`
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To string `json:"to"`
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Timestamp string `json:"timestamp"`
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Logs []ankrLog `json:"logs"`
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Status string `json:"status"`
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}
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type ankrLog struct {
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Event ankrEvent `json:"event"`
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Topics []string `json:"topics"`
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}
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type ankrEvent struct {
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Name string `json:"name"`
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Inputs []ankrEventInput `json:"inputs"`
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}
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type ankrEventInput struct {
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Name string `json:"name"`
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Type string `json:"type"`
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Size uint64 `json:"size"`
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ValueDecoded string `json:"valueDecoded"`
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}
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func ankrFetchTx(
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ctx context.Context,
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cfg *config.RpcProviderSettings,
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txHash string,
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) (*TxDetail, error) {
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// build RPC URL
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url := cfg.AnkrBaseUrl
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if cfg.AnkrApiKey != "" {
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url += "/" + cfg.AnkrApiKey
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}
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// initialize RPC client
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client, err := rpc.DialContext(ctx, url)
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if err != nil {
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return nil, fmt.Errorf("failed to initialize RPC client: %w", err)
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}
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defer client.Close()
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// query transaction data
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args := &ankrGetTransactionByHashParams{
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TransactionHash: "0x" + txHash,
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DecodeLogs: true,
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DecodeTxData: true,
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}
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var reply ankrGetTransactionsByHashResponse
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err = client.CallContext(ctx, &reply, "ankr_getTransactionsByHash", args)
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if err != nil {
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return nil, fmt.Errorf("failed to get tx by hash: %w", err)
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}
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// make sure we got exactly one transaction
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if len(reply.Transactions) == 0 {
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return nil, ErrTransactionNotFound
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} else if len(reply.Transactions) > 1 {
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return nil, fmt.Errorf("expected one transaction for txid=%s, but found %d", txHash, len(reply.Transactions))
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}
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// parse transaction timestamp
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timestamp, err := timestampFromHex(reply.Transactions[0].Timestamp)
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if err != nil {
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return nil, fmt.Errorf("failed to parse transaction timestamp: %w", err)
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}
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// build results and return
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txDetail := &TxDetail{
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Signer: strings.ToLower(reply.Transactions[0].From),
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Timestamp: timestamp,
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NativeTxHash: fmt.Sprintf("0x%s", strings.ToLower(txHash)),
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}
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return txDetail, nil
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}
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