expose WritePrivateKeyToPath so it can be used externally (#217)

Author: 0xAustinWang

chain/solana/provider/ctf_provider.go

@@ -124,7 +124,7 @@ func (p *CTFChainProvider) Initialize(_ context.Context) (chain.BlockChain, erro
 	keypairDir := p.t.TempDir()
 
 	keypairPath := filepath.Join(keypairDir, "solana-keypair.json")
-	if err = writePrivateKeyToPath(keypairPath, privKey); err != nil {
+	if err = WritePrivateKeyToPath(keypairPath, privKey); err != nil {
 		return nil, fmt.Errorf("failed to write deployer keypair to file: %w", err)
 	}
 

chain/solana/provider/helpers.go

@@ -23,10 +23,10 @@ func isValidFilepath(fp string) error {
 	return nil
 }
 
-// writePrivateKeyToPath writes the provided Solana private key to the specified file path in JSON
+// WritePrivateKeyToPath writes the provided Solana private key to the specified file path in JSON
 // format. The private key is stored as an array of integers, where each integer represents a byte
 // of the private key.
-func writePrivateKeyToPath(keyPath string, privKey solana.PrivateKey) error {
+func WritePrivateKeyToPath(keyPath string, privKey solana.PrivateKey) error {
 	b := []byte(privKey)
 
 	// Convert bytes to slice of integers for JSON conversion

chain/solana/provider/rpc_provider.go

@@ -102,7 +102,7 @@ func (p *RPCChainProvider) Initialize(_ context.Context) (chain.BlockChain, erro
 
 	// Persist the deployer keypair to the KeypairDirPath for the Solana CLI to use
 	keypairPath := filepath.Join(p.config.KeypairDirPath, "authority-keypair.json")
-	if err := writePrivateKeyToPath(keypairPath, privKey); err != nil {
+	if err := WritePrivateKeyToPath(keypairPath, privKey); err != nil {
 		return nil, fmt.Errorf("failed to write deployer keypair to file: %w", err)
 	}