Merge pull request #515 from antiochp/output_identifiers

grin output_identifier refactoring

Cargo.lock

@@ -1171,7 +1171,7 @@ checksum = "9b919933a397b79c37e33b77bb2aa3dc8eb6e165ad809e58ff75bc7db2e34574"
 [[package]]
 name = "grin_api"
 version = "4.1.0-alpha.1"
-source = "git+https://github.com/mimblewimble/grin#caa6b8c747788e32953950a2dfd0a7c1e5d29cd2"
+source = "git+https://github.com/mimblewimble/grin#133089e9855686854c87d6fbe4d67df775918bee"
 dependencies = [
  "bytes",
  "easy-jsonrpc-mw",
@@ -1204,7 +1204,7 @@ dependencies = [
 [[package]]
 name = "grin_chain"
 version = "4.1.0-alpha.1"
-source = "git+https://github.com/mimblewimble/grin#caa6b8c747788e32953950a2dfd0a7c1e5d29cd2"
+source = "git+https://github.com/mimblewimble/grin#133089e9855686854c87d6fbe4d67df775918bee"
 dependencies = [
  "bit-vec",
  "bitflags 1.2.1",
@@ -1228,7 +1228,7 @@ dependencies = [
 [[package]]
 name = "grin_core"
 version = "4.1.0-alpha.1"
-source = "git+https://github.com/mimblewimble/grin#caa6b8c747788e32953950a2dfd0a7c1e5d29cd2"
+source = "git+https://github.com/mimblewimble/grin#133089e9855686854c87d6fbe4d67df775918bee"
 dependencies = [
  "blake2-rfc",
  "byteorder",
@@ -1254,7 +1254,7 @@ dependencies = [
 [[package]]
 name = "grin_keychain"
 version = "4.1.0-alpha.1"
-source = "git+https://github.com/mimblewimble/grin#caa6b8c747788e32953950a2dfd0a7c1e5d29cd2"
+source = "git+https://github.com/mimblewimble/grin#133089e9855686854c87d6fbe4d67df775918bee"
 dependencies = [
  "blake2-rfc",
  "byteorder",
@@ -1276,7 +1276,7 @@ dependencies = [
 [[package]]
 name = "grin_p2p"
 version = "4.1.0-alpha.1"
-source = "git+https://github.com/mimblewimble/grin#caa6b8c747788e32953950a2dfd0a7c1e5d29cd2"
+source = "git+https://github.com/mimblewimble/grin#133089e9855686854c87d6fbe4d67df775918bee"
 dependencies = [
  "bitflags 1.2.1",
  "chrono",
@@ -1297,7 +1297,7 @@ dependencies = [
 [[package]]
 name = "grin_pool"
 version = "4.1.0-alpha.1"
-source = "git+https://github.com/mimblewimble/grin#caa6b8c747788e32953950a2dfd0a7c1e5d29cd2"
+source = "git+https://github.com/mimblewimble/grin#133089e9855686854c87d6fbe4d67df775918bee"
 dependencies = [
  "blake2-rfc",
  "chrono",
@@ -1331,7 +1331,7 @@ dependencies = [
 [[package]]
 name = "grin_store"
 version = "4.1.0-alpha.1"
-source = "git+https://github.com/mimblewimble/grin#caa6b8c747788e32953950a2dfd0a7c1e5d29cd2"
+source = "git+https://github.com/mimblewimble/grin#133089e9855686854c87d6fbe4d67df775918bee"
 dependencies = [
  "byteorder",
  "croaring-mw",
@@ -1351,7 +1351,7 @@ dependencies = [
 [[package]]
 name = "grin_util"
 version = "4.1.0-alpha.1"
-source = "git+https://github.com/mimblewimble/grin#caa6b8c747788e32953950a2dfd0a7c1e5d29cd2"
+source = "git+https://github.com/mimblewimble/grin#133089e9855686854c87d6fbe4d67df775918bee"
 dependencies = [
  "backtrace",
  "base64 0.12.3",

impls/src/node_clients/http.rs

@@ -370,3 +370,55 @@ impl NodeClient for HTTPNodeClient {
 		Ok((res.last_retrieved_index, res.highest_index))
 	}
 }
+
+#[cfg(test)]
+mod tests {
+	use super::*;
+	use crate::core::core::KernelFeatures;
+	use crate::core::libtx::build;
+	use crate::core::libtx::ProofBuilder;
+	use crate::keychain::{ExtKeychain, Keychain};
+
+	fn tx1i1o() -> Transaction {
+		let keychain = ExtKeychain::from_random_seed(false).unwrap();
+		let builder = ProofBuilder::new(&keychain);
+		let key_id1 = ExtKeychain::derive_key_id(1, 1, 0, 0, 0);
+		let key_id2 = ExtKeychain::derive_key_id(1, 2, 0, 0, 0);
+		let tx = build::transaction(
+			KernelFeatures::Plain { fee: 2 },
+			&[build::input(5, key_id1), build::output(3, key_id2)],
+			&keychain,
+			&builder,
+		)
+		.unwrap();
+		tx
+	}
+
+	// Wallet will "push" a transaction to node, serializing the transaction as json.
+	// We are testing the json structure is what we expect here.
+	#[test]
+	fn test_transaction_json_ser_deser() {
+		let tx1 = tx1i1o();
+		let value = serde_json::to_value(&tx1).unwrap();
+
+		assert!(value["offset"].is_string());
+		assert_eq!(value["body"]["inputs"][0]["features"], "Plain");
+		assert!(value["body"]["inputs"][0]["commit"].is_string());
+		assert_eq!(value["body"]["outputs"][0]["features"], "Plain");
+		assert!(value["body"]["outputs"][0]["commit"].is_string());
+		assert!(value["body"]["outputs"][0]["proof"].is_string());
+
+		// Note: Tx kernel "features" serialize in a slightly unexpected way.
+		assert_eq!(value["body"]["kernels"][0]["features"]["Plain"]["fee"], 2);
+		assert!(value["body"]["kernels"][0]["excess"].is_string());
+		assert!(value["body"]["kernels"][0]["excess_sig"].is_string());
+
+		let tx2: Transaction = serde_json::from_value(value).unwrap();
+		assert_eq!(tx1, tx2);
+
+		let str = serde_json::to_string(&tx1).unwrap();
+		println!("{}", str);
+		let tx2: Transaction = serde_json::from_str(&str).unwrap();
+		assert_eq!(tx1, tx2);
+	}
+}

impls/src/test_framework/mod.rs

@@ -40,9 +40,10 @@ fn get_output_local(chain: &chain::Chain, commit: pedersen::Commitment) -> Optio
 	if chain.get_unspent(commit).unwrap().is_some() {
 		let block_height = chain.get_header_for_output(commit).unwrap().height;
 		let output_pos = chain.get_output_pos(&commit).unwrap_or(0);
-		return Some(api::Output::new(&commit, block_height, output_pos));
+		Some(api::Output::new(&commit, block_height, output_pos))
+	} else {
+		None
 	}
-	None
 }
 
 /// Get a kernel from the chain locally

libwallet/src/internal/tx.rs

@@ -616,7 +616,7 @@ mod test {
 		.unwrap();
 
 		let inputs: Vec<Input> = tx2.inputs().into();
-		assert_eq!(tx1.outputs()[0].features, inputs[0].features);
+		assert_eq!(tx1.outputs()[0].features(), inputs[0].features);
 		assert_eq!(tx1.outputs()[0].commitment(), inputs[0].commitment());
 	}
 

libwallet/src/slate.rs

@@ -839,8 +839,8 @@ impl From<&Slate> for Option<Vec<CommitsV4>> {
 		}
 		for o in outs.iter() {
 			ret_vec.push(CommitsV4 {
-				f: o.features.into(),
-				c: o.commit,
+				f: o.features().into(),
+				c: o.commitment(),
 				p: Some(o.proof),
 			});
 		}
@@ -1020,14 +1020,8 @@ pub fn tx_from_slate_v4(slate: &SlateV4) -> Option<Transaction> {
 	let mut tx = Transaction::empty().with_kernel(kernel);
 
 	for c in coms.iter() {
-		match &c.p {
-			Some(p) => {
-				tx = tx.with_output(Output {
-					features: c.f.into(),
-					commit: c.c,
-					proof: p.clone(),
-				})
-			}
+		match c.p {
+			Some(p) => tx = tx.with_output(Output::new(c.f.into(), c.c, p)),
 			None => {
 				tx = tx.with_input(Input {
 					features: c.f.into(),
@@ -1036,7 +1030,7 @@ pub fn tx_from_slate_v4(slate: &SlateV4) -> Option<Transaction> {
 			}
 		}
 	}
-	tx.offset = slate.off.clone();
+	tx = tx.with_offset(slate.off.clone());
 	Some(tx)
 }
 

libwallet/src/slate_versions/v4.rs

@@ -316,8 +316,8 @@ impl From<&Output> for CbOutputV4 {
 	fn from(output: &Output) -> CbOutputV4 {
 		CbOutputV4 {
 			features: CbOutputFeatures::Coinbase,
-			commit: output.commit,
-			proof: output.proof,
+			commit: output.commitment(),
+			proof: output.proof(),
 		}
 	}
 }