From 6dbbb72f4ea1c18aaaca386028fabc767f41ad5a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?dj8yf0=CE=BCl?= <feepdake27@gmail.com>
Date: Thu, 18 Jan 2024 19:37:10 +0200
Subject: [PATCH] chore: add `sign_multiple_transfers` example (3x)

---
 Cargo.toml                                    |  4 +++
 README.md                                     |  6 +++++
 examples/blind_sign_transaction.rs            |  2 +-
 .../sign_transaction/multiple_transfers.rs    | 26 +++++++++++++++++++
 examples/sign_transaction/transfer.rs         |  2 +-
 5 files changed, 38 insertions(+), 2 deletions(-)
 create mode 100644 examples/sign_transaction/multiple_transfers.rs

diff --git a/Cargo.toml b/Cargo.toml
index 513da99..ed1c0b2 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -18,6 +18,10 @@ name = "get_public_key"
 name = "sign_transfer"
 path = "examples/sign_transaction/transfer.rs"
 
+[[example]]
+name = "sign_multiple_transfers"
+path = "examples/sign_transaction/multiple_transfers.rs"
+
 [[example]]
 name = "blind_sign_transaction"
 
diff --git a/README.md b/README.md
index 58ab612..2622717 100644
--- a/README.md
+++ b/README.md
@@ -92,6 +92,12 @@ RUST_LOG=get_public_key,near_ledger=info cargo run --example get_public_key
 RUST_LOG=sign_transfer,near_ledger=info cargo run --example sign_transfer
 ```
 
+#### Multiple transfers
+
+```bash
+RUST_LOG=sign_multiple_transfers,near_ledger=info cargo run --example sign_multiple_transfers
+```
+
 ### Blind sign a transaction
 
 ```bash
diff --git a/examples/blind_sign_transaction.rs b/examples/blind_sign_transaction.rs
index ad9b42e..8027894 100644
--- a/examples/blind_sign_transaction.rs
+++ b/examples/blind_sign_transaction.rs
@@ -16,7 +16,7 @@ fn long_tx(ledger_pub_key: ed25519_dalek::PublicKey) -> near_primitives::transac
         .map(|_el| {
             near_primitives::transaction::Action::Transfer(
                 near_primitives::transaction::TransferAction {
-                    deposit: 150000000000000000000000 * _el as u128,
+                    deposit: 150000000000000000000000 * _el as u128, // 0.15 NEAR
                 },
             )
         })
diff --git a/examples/sign_transaction/multiple_transfers.rs b/examples/sign_transaction/multiple_transfers.rs
new file mode 100644
index 0000000..6e367b9
--- /dev/null
+++ b/examples/sign_transaction/multiple_transfers.rs
@@ -0,0 +1,26 @@
+use near_ledger::NEARLedgerError;
+
+
+#[path = "../common/lib.rs"]
+mod common;
+
+fn tx(ledger_pub_key: ed25519_dalek::PublicKey) -> near_primitives::transaction::Transaction {
+    let mut tx = common::tx_template(ledger_pub_key);
+
+    const SIZE: usize = 3;
+    let transfers = (0..SIZE)
+        .map(|_el| {
+            near_primitives::transaction::Action::Transfer(
+                near_primitives::transaction::TransferAction {
+                    deposit: 150000000000000000000000 * _el as u128, // 0.15 NEAR
+                },
+            )
+        })
+        .collect::<Vec<_>>();
+    tx.actions = transfers;
+    tx
+}
+
+fn main() -> Result<(), NEARLedgerError> {
+    common::get_key_sign_and_verify_flow(tx)
+}
diff --git a/examples/sign_transaction/transfer.rs b/examples/sign_transaction/transfer.rs
index 5e115a5..62b4a2b 100644
--- a/examples/sign_transaction/transfer.rs
+++ b/examples/sign_transaction/transfer.rs
@@ -8,7 +8,7 @@ fn tx(ledger_pub_key: ed25519_dalek::PublicKey) -> near_primitives::transaction:
     let mut tx = common::tx_template(ledger_pub_key);
     tx.actions = vec![near_primitives::transaction::Action::Transfer(
         near_primitives::transaction::TransferAction {
-            deposit: 150000000000000000000000,
+            deposit: 150000000000000000000000, // 0.15 NEAR
         },
     )];
     tx