Add signer plugins

Makefile

@@ -85,5 +85,11 @@ typescript-bindings-fixtures: build-test-wasms
 					--overwrite
 
 
+use-signing-plugin:
+	cargo install --force --locked --path ./cmd/crates/stellar-multisig-plugin --debug
+
+use-old-signing-plugin:
+	cargo install --force --locked --path ./cmd/crates/stellar-old-multisig-plugin --debug
+
 # PHONY lists all the targets that aren't file names, so that make would skip the timestamp based check.
-.PHONY: publish clean fmt watch check rpc-test test build-test-wasms install build build-snapshot typescript-bindings-fixtures
+.PHONY: publish clean fmt watch check rpc-test test build-test-wasms install build build-snapshot typescript-bindings-fixtures use-signing-plugin use-old-signing-plugin

cmd/crates/soroban-test/src/lib.rs

@@ -281,6 +281,8 @@ impl TestEnv {
                 hd_path: None,
                 sign_with_lab: false,
                 sign_with_ledger: false,
+                plugin_arg: vec![],
+                sign_with_plugin: vec![],
             },
             fee: None,
             inclusion_fee: None,

cmd/crates/soroban-test/tests/it/integration.rs

@@ -5,8 +5,7 @@ mod contract;
 mod cookbook;
 mod custom_types;
 mod dotenv;
-mod fee_args;
-mod fee_stats;
+mod fees;
 mod hello_world;
 mod init;
 mod keys;

cmd/crates/soroban-test/tests/it/integration/fee_args.rs → cmd/crates/soroban-test/tests/it/integration/fees.rs

@@ -1,8 +1,9 @@
 use predicates::prelude::predicate;
 use soroban_cli::xdr::{self, Limits, ReadXdr};
+use soroban_rpc::GetFeeStatsResponse;
 use soroban_test::{AssertExt, TestEnv};
 
-use super::util::deploy_hello;
+use super::util::{deploy_hello, HELLO_WORLD};
 
 fn get_inclusion_fee_from_xdr(tx_xdr: &str) -> u32 {
     let tx = xdr::TransactionEnvelope::from_xdr_base64(tx_xdr, Limits::none()).unwrap();
@@ -13,6 +14,36 @@ fn get_inclusion_fee_from_xdr(tx_xdr: &str) -> u32 {
     }
 }
 
+#[tokio::test]
+async fn fee_stats_text_output() {
+    let sandbox = &TestEnv::new();
+    sandbox
+        .new_assert_cmd("fees")
+        .arg("stats")
+        .arg("--output")
+        .arg("text")
+        .assert()
+        .success()
+        .stdout(predicates::str::contains("Max Soroban Inclusion Fee:"))
+        .stdout(predicates::str::contains("Max Inclusion Fee:"))
+        .stdout(predicates::str::contains("Latest Ledger:"));
+}
+
+#[tokio::test]
+async fn fee_stats_json_output() {
+    let sandbox = &TestEnv::new();
+    let output = sandbox
+        .new_assert_cmd("fees")
+        .arg("stats")
+        .arg("--output")
+        .arg("json")
+        .assert()
+        .success()
+        .stdout_as_str();
+    let fee_stats_response: GetFeeStatsResponse = serde_json::from_str(&output).unwrap();
+    assert!(matches!(fee_stats_response, GetFeeStatsResponse { .. }))
+}
+
 #[tokio::test]
 async fn inclusion_fee_arg() {
     let sandbox = &TestEnv::new();
@@ -138,3 +169,45 @@ async fn inclusion_fee_arg() {
         .stdout_as_str();
     assert_eq!(get_inclusion_fee_from_xdr(&tx_xdr), 100u32);
 }
+
+#[tokio::test]
+async fn large_fee_transactions_use_fee_bump() {
+    let sandbox = &TestEnv::new();
+
+    // install HELLO_WORLD
+    // don't test fee bump here as other integration tests upload WASMs, so this
+    // might be a no-op
+    let wasm_hash = sandbox
+        .new_assert_cmd("contract")
+        .arg("upload")
+        .arg("--wasm")
+        .arg(HELLO_WORLD.path().to_string_lossy().to_string())
+        .assert()
+        .success()
+        .stdout_as_str();
+
+    // deploy HELLO_WORLD with a high inclusion fee to trigger fee-bump wrapping
+    let id = sandbox
+        .new_assert_cmd("contract")
+        .arg("deploy")
+        .args(["--wasm-hash", wasm_hash.trim()])
+        .args(["--inclusion-fee", &(u32::MAX - 50).to_string()])
+        .assert()
+        .success()
+        .stdout_as_str();
+
+    // invoke HELLO_WORLD with a high resource fee to trigger fee-bump wrapping
+    let std_err = sandbox
+        .new_assert_cmd("contract")
+        .arg("invoke")
+        .args(["--id", &id.to_string()])
+        .args(["--resource-fee", &(u64::from(u32::MAX) + 1).to_string()])
+        .arg("--")
+        .arg("inc")
+        .assert()
+        .success()
+        .stderr_as_str();
+
+    // validate log output indicates fee bump was used
+    assert!(std_err.contains("Signing fee bump transaction"));
+}

cmd/crates/stellar-multisig-plugin/Cargo.toml

@@ -0,0 +1,16 @@
+[package]
+name = "stellar-signer-multisig"
+version.workspace = true
+rust-version.workspace = true
+edition = "2021"
+publish = false
+
+[dependencies]
+stellar-xdr = { workspace = true, features = ["curr", "std", "serde", "base64"] }
+stellar-strkey = { workspace = true }
+ed25519-dalek = { workspace = true }
+sha2 = { workspace = true }
+hex = { workspace = true }
+serde_json = { workspace = true }
+serde = { workspace = true, features = ["derive"] }
+thiserror = { workspace = true }