Feat: Export data via cheatcode

abi/abi/HEVM.sol

@@ -209,6 +209,7 @@ serializeString(string,string,string[])(string)
 serializeBytes(string,string,bytes)(string)
 serializeBytes(string,string,bytes[])(string)
 keyExists(string,string)(bool)
+export(string, string)
 
 pauseGasMetering()
 resumeGasMetering()

evm/src/executor/inspector/cheatcodes/ext.rs

@@ -416,6 +416,12 @@ fn key_exists(json_str: &str, key: &str) -> Result {
     Ok(exists)
 }
 
+/// Export data for external consumption
+fn export(state: &mut Cheatcodes, key: &str, value: &str) -> Result {
+    state.raw_exported_data.insert(key.to_string(), value.to_string());
+    Ok(Bytes::new())
+}
+
 #[instrument(level = "error", name = "ext", target = "evm::cheatcodes", skip_all)]
 pub fn apply(state: &mut Cheatcodes, call: &HEVMCalls) -> Option<Result> {
     Some(match call {
@@ -593,6 +599,7 @@ pub fn apply(state: &mut Cheatcodes, call: &HEVMCalls) -> Option<Result> {
         HEVMCalls::WriteJson0(inner) => write_json(state, &inner.0, &inner.1, None),
         HEVMCalls::WriteJson1(inner) => write_json(state, &inner.0, &inner.1, Some(&inner.2)),
         HEVMCalls::KeyExists(inner) => key_exists(&inner.0, &inner.1),
+        HEVMCalls::Export(inner) => export(state, &inner.0, &inner.1),
         _ => return None,
     })
 }

evm/src/executor/inspector/cheatcodes/mod.rs

@@ -7,8 +7,8 @@ use self::{
 use crate::{
     abi::HEVMCalls,
     executor::{
-        backend::DatabaseExt, inspector::cheatcodes::env::RecordedLogs, CHEATCODE_ADDRESS,
-        HARDHAT_CONSOLE_ADDRESS,
+        backend::DatabaseExt, inspector::cheatcodes::env::RecordedLogs, RawExportedData,
+        CHEATCODE_ADDRESS, HARDHAT_CONSOLE_ADDRESS,
     },
     utils::{b160_to_h160, b256_to_h256, h160_to_b160, ru256_to_u256},
 };
@@ -194,6 +194,8 @@ pub struct Cheatcodes {
     /// Breakpoints supplied by the `vm.breakpoint("<char>")` cheatcode
     /// char -> pc
     pub breakpoints: Breakpoints,
+
+    pub raw_exported_data: RawExportedData,
 }
 
 impl Cheatcodes {

evm/src/executor/inspector/stack.rs

@@ -43,6 +43,7 @@ pub struct InspectorData {
     pub cheatcodes: Option<Cheatcodes>,
     pub script_wallets: Vec<LocalWallet>,
     pub chisel_state: Option<(Stack, Memory, InstructionResult)>,
+    pub raw_exported_data: crate::executor::RawExportedData,
 }
 
 /// An inspector that calls multiple inspectors in sequence.
@@ -80,6 +81,11 @@ impl InspectorStack {
                 .as_ref()
                 .map(|cheatcodes| cheatcodes.script_wallets.clone())
                 .unwrap_or_default(),
+            raw_exported_data: self
+                .cheatcodes
+                .as_ref()
+                .map(|cheatcodes| cheatcodes.raw_exported_data.clone())
+                .unwrap_or_default(),
             cheatcodes: self.cheatcodes,
             chisel_state: self.chisel_state.unwrap_or_default().state,
         }