feat: read bytecode from file

Signed-off-by: Ivaylo Nikolov <[email protected]>

Author: ivaylonikolov7

examples/account_hooks.rs

@@ -1,5 +1,8 @@
 // SPDX-License-Identifier: Apache-2.0
 
+use std::fs;
+use std::path::Path;
+
 use clap::Parser;
 use hedera::{
     AccountCreateTransaction, AccountId, AccountUpdateTransaction, Client, ContractCreateTransaction, ContractId, EvmHookSpec, Hbar, HookCreationDetails, HookExtensionPoint, LambdaEvmHook, PrivateKey
@@ -21,15 +24,23 @@ struct Args {
     hedera_network: String,
 }
 
-// Hook contract bytecode
-// For a real example, you'd read this from a file
-const HOOK_BYTECODE: &str = "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";
+const HOOK_BYTECODE_PATH: &str = concat!(
+    env!("CARGO_MANIFEST_DIR"),
+    "/examples/lambda_sstore_hook.hex"
+);
+
+fn load_hook_bytecode() -> anyhow::Result<Vec<u8>> {
+    let bytecode_hex = fs::read_to_string(Path::new(HOOK_BYTECODE_PATH))?;
+    let cleaned_hex: String = bytecode_hex.split_whitespace().collect();
+    let bytecode = hex::decode(cleaned_hex)?;
+    Ok(bytecode)
+}
 
 async fn create_hook_contract(
     client: &Client,
     operator_key: &PrivateKey,
 ) -> anyhow::Result<ContractId> {
-    let bytecode = hex::decode(HOOK_BYTECODE)?;
+    let bytecode = load_hook_bytecode()?;
 
     let receipt = ContractCreateTransaction::new()
         .admin_key(operator_key.public_key())

examples/contract_hooks.rs

@@ -2,6 +2,9 @@
 
 mod resources;
 
+use std::fs;
+use std::path::Path;
+
 use clap::Parser;
 use hedera::{
     AccountId, Client, ContractCreateTransaction, ContractId, ContractUpdateTransaction, EvmHookSpec, HookCreationDetails, HookExtensionPoint, LambdaEvmHook, PrivateKey
@@ -23,15 +26,23 @@ struct Args {
     hedera_network: String,
 }
 
-// Hook contract bytecode
-// For a real example, you'd read this from a file
-const HOOK_BYTECODE: &str = "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";
+const HOOK_BYTECODE_PATH: &str = concat!(
+    env!("CARGO_MANIFEST_DIR"),
+    "/examples/lambda_sstore_hook.hex"
+);
+
+fn load_hook_bytecode() -> anyhow::Result<Vec<u8>> {
+    let bytecode_hex = fs::read_to_string(Path::new(HOOK_BYTECODE_PATH))?;
+    let cleaned_hex: String = bytecode_hex.split_whitespace().collect();
+    let bytecode = hex::decode(cleaned_hex)?;
+    Ok(bytecode)
+}
 
 async fn create_hook_contract(
     client: &Client,
     operator_key: &PrivateKey,
 ) -> anyhow::Result<ContractId> {
-    let bytecode = hex::decode(HOOK_BYTECODE)?;
+    let bytecode = load_hook_bytecode()?;
 
     let receipt = ContractCreateTransaction::new()
         .admin_key(operator_key.public_key())

examples/lambda_sstore.rs

@@ -1,5 +1,8 @@
 // SPDX-License-Identifier: Apache-2.0
 
+use std::fs;
+use std::path::Path;
+
 use clap::Parser;
 use hedera::{
     AccountCreateTransaction, AccountId, Client, ContractCreateTransaction, ContractId, EvmHookSpec, Hbar, HookCreationDetails, HookEntityId, HookExtensionPoint, HookId, LambdaEvmHook, LambdaSStoreTransaction, LambdaStorageSlot, LambdaStorageUpdate, PrivateKey
@@ -21,15 +24,23 @@ struct Args {
     hedera_network: String,
 }
 
-// Hook contract bytecode
-// For a real example, you'd read this from a file
-const HOOK_BYTECODE: &str = "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";
+const HOOK_BYTECODE_PATH: &str = concat!(
+    env!("CARGO_MANIFEST_DIR"),
+    "/examples/lambda_sstore_hook.hex"
+);
+
+fn load_hook_bytecode() -> anyhow::Result<Vec<u8>> {
+    let bytecode_hex = fs::read_to_string(Path::new(HOOK_BYTECODE_PATH))?;
+    let cleaned_hex: String = bytecode_hex.split_whitespace().collect();
+    let bytecode = hex::decode(cleaned_hex)?;
+    Ok(bytecode)
+}
 
 async fn create_hook_contract(
     client: &Client,
     operator_key: &PrivateKey,
 ) -> anyhow::Result<ContractId> {
-    let bytecode = hex::decode(HOOK_BYTECODE)?;
+    let bytecode = load_hook_bytecode()?;
 
     let receipt = ContractCreateTransaction::new()
         .admin_key(operator_key.public_key())

examples/lambda_sstore_hook.hex

@@ -0,0 +1,2 @@
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
+

examples/transfer_hook.hex

@@ -0,0 +1 @@
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