101 lines
3.0 KiB
Go
Executable File
101 lines
3.0 KiB
Go
Executable File
package main
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import (
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"context"
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"encoding/json"
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"fmt"
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)
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// =============================================================================
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// SMART CONTRACT IMPLEMENTATION - MODIFY THIS FILE
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// =============================================================================
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// Transaction represents the parsed transaction from the server.
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// Customize this struct to match your transaction payload structure.
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type Transaction struct {
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Version string `json:"version"`
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Header TransactionHeader `json:"header"`
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Payload map[string]any `json:"payload"`
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}
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// TransactionHeader contains transaction metadata from Dragonchain.
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type TransactionHeader struct {
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Tag string `json:"tag"`
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DcId string `json:"dc_id"`
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TxnId string `json:"txn_id"`
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BlockId string `json:"block_id"`
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TxnType string `json:"txn_type"`
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Timestamp string `json:"timestamp"`
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Invoker string `json:"invoker"`
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}
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// ProcessResult is the result returned from the Process function.
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type ProcessResult struct {
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Data map[string]any
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OutputToChain bool
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Error error
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}
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// Process is the main function that handles incoming transactions.
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// Implement your smart contract logic here.
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//
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// Parameters:
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// - ctx: Context for cancellation and timeouts
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// - txJSON: Raw transaction JSON string
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// - envVars: Environment variables passed from the server
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// - secrets: Secrets passed from the server (e.g., API keys, credentials)
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//
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// Returns:
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// - ProcessResult containing the result data, whether to output to chain, and any error
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func Process(ctx context.Context, txJSON string, envVars, secrets map[string]string) ProcessResult {
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// Parse the transaction JSON
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var tx Transaction
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if err := json.Unmarshal([]byte(txJSON), &tx); err != nil {
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return ProcessResult{
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Error: fmt.Errorf("failed to parse transaction: %w", err),
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}
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}
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// ==========================================================================
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// TODO: Implement your smart contract logic here
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// ==========================================================================
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//
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// Example: Access transaction data
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// txnId := tx.Header.TxnId
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// txnType := tx.Header.TxnType
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// payload := tx.Payload
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//
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// Example: Access environment variables
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// scName := envVars["SMART_CONTRACT_NAME"]
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// dcID := envVars["DRAGONCHAIN_ID"]
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//
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// Example: Access secrets
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// apiKey := secrets["SC_SECRET_MY_API_KEY"]
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//
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// Example: Process based on payload action
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// action, _ := tx.Payload["action"].(string)
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// switch action {
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// case "create":
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// // Handle create operation
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// case "update":
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// // Handle update operation
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// default:
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// return ProcessResult{Error: fmt.Errorf("unknown action: %s", action)}
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// }
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// Default implementation: echo back the transaction
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result := map[string]any{
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"status": "processed",
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"transaction_id": tx.Header.TxnId,
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"txn_type": tx.Header.TxnType,
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"payload": tx.Payload,
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"message": "Transaction processed successfully",
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}
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return ProcessResult{
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Data: result,
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OutputToChain: true,
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Error: nil,
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}
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}
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