119 lines
3.1 KiB
Go
119 lines
3.1 KiB
Go
package chains
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import (
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"context"
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"encoding/hex"
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"fmt"
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"time"
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"github.com/mr-tron/base58"
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)
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type solanaTransactionSignature struct {
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Signature string `json:"signature"`
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}
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type solanaGetTransactionResponse struct {
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BlockTime int64 `json:"blockTime"`
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Meta struct {
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InnerInstructions []struct {
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Instructions []struct {
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ParsedInstruction struct {
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Type_ string `json:"type"`
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Info struct {
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Account string `json:"account"`
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Amount string `json:"amount"`
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Authority string `json:"authority"`
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Destination string `json:"destination"`
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Source string `json:"source"`
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} `json:"info"`
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} `json:"parsed"`
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} `json:"instructions"`
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} `json:"innerInstructions"`
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Err []interface{} `json:"err"`
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} `json:"meta"`
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Transaction struct {
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Message struct {
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AccountKeys []struct {
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Pubkey string `json:"pubkey"`
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Signer bool `json:"signer"`
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} `json:"accountKeys"`
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} `json:"message"`
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Signatures []string `json:"signatures"`
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} `json:"transaction"`
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}
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func fetchSolanaTx(
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ctx context.Context,
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rateLimiter *time.Ticker,
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baseUrl string,
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txHash string,
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) (*TxDetail, error) {
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// Initialize RPC client
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client, err := rpcDialContext(ctx, baseUrl)
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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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// Decode txHash bytes
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// TODO: remove this when the fly fixes all txHash for Solana
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h, err := hex.DecodeString(txHash)
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if err != nil {
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h, err = base58.Decode(txHash)
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if err != nil {
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return nil, fmt.Errorf("failed to decode from hex txHash=%s: %w", txHash, err)
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}
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}
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// Get transaction signatures for the given account
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var sigs []solanaTransactionSignature
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{
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err = client.CallContext(ctx, rateLimiter, &sigs, "getSignaturesForAddress", base58.Encode(h))
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if err != nil {
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return nil, fmt.Errorf("failed to get signatures for account: %w (%+v)", err, err)
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}
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if len(sigs) == 0 {
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return nil, ErrTransactionNotFound
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}
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if len(sigs) > 1 {
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return nil, fmt.Errorf("expected exactly one signature, but found %d", len(sigs))
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}
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}
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// Fetch the portal token bridge transaction
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var response solanaGetTransactionResponse
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{
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err = client.CallContext(ctx, rateLimiter, &response, "getTransaction", sigs[0].Signature, "jsonParsed")
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if err != nil {
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return nil, fmt.Errorf("failed to get tx by signature: %w", err)
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}
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if len(response.Meta.InnerInstructions) == 0 {
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return nil, fmt.Errorf("response.Meta.InnerInstructions is empty")
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}
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if len(response.Meta.InnerInstructions[0].Instructions) == 0 {
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return nil, fmt.Errorf("response.Meta.InnerInstructions[0].Instructions is empty")
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}
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}
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// populate the response object
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txDetail := TxDetail{
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Timestamp: time.Unix(response.BlockTime, 0).UTC(),
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NativeTxHash: sigs[0].Signature,
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}
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// set sender/receiver
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for i := range response.Transaction.Message.AccountKeys {
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if response.Transaction.Message.AccountKeys[i].Signer {
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txDetail.From = response.Transaction.Message.AccountKeys[i].Pubkey
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}
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}
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if txDetail.From == "" {
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return nil, fmt.Errorf("failed to find source account")
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}
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return &txDetail, nil
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}
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