edr_solidity: parse solx DWARF debug info for Solidity stack traces

.changeset/solx-dwarf-debug-info.md

@@ -0,0 +1,5 @@
+---
+"@nomicfoundation/edr": minor
+---
+
+Added support for Solidity stack traces from solx-compiled artifacts.

crates/edr_napi/src/provider.rs

@@ -72,6 +72,13 @@ impl Provider {
                 let compiler_output = serde_json::from_value(compiler_output)
                     .map_err(|error| napi::Error::from_reason(error.to_string()))?;
 
+                // `addCompilationResult` is called by both HH2 (via the legacy
+                // `hardhat_addCompilationResult` JSON-RPC method) and HH3
+                // (internally, for its provider's in-process compile flow).
+                // Both feed solc artifacts; solx reaches EDR through HH3's
+                // `BuildInfoConfig` (`runSolidityTests` / `withContracts`).
+                // The compiler is derived from the bytecode variant — no
+                // separate tag needs to be threaded in.
                 let contracts = match create_models_and_decode_bytecodes(
                     solc_version,
                     &compiler_input,

crates/edr_provider/tests/integration/mod.rs

@@ -13,4 +13,5 @@ mod eth_request_serialization;
 mod hardhat_request_serialization;
 mod issues;
 mod rip7212;
+mod solx_stack_trace;
 mod timestamp;