Outline of the transaction-chaining scheduler

processor/primitives/src/payment.rs

@@ -0,0 +1,42 @@
+use serai_primitives::{Balance, Data};
+use serai_coins_primitives::OutInstructionWithBalance;
+
+use crate::Address;
+
+/// A payment to fulfill.
+#[derive(Clone)]
+pub struct Payment<A: Address> {
+  address: A,
+  balance: Balance,
+  data: Option<Vec<u8>>,
+}
+
+impl<A: Address> TryFrom<OutInstructionWithBalance> for Payment<A> {
+  type Error = ();
+  fn try_from(out_instruction_with_balance: OutInstructionWithBalance) -> Result<Self, ()> {
+    Ok(Payment {
+      address: out_instruction_with_balance.instruction.address.try_into().map_err(|_| ())?,
+      balance: out_instruction_with_balance.balance,
+      data: out_instruction_with_balance.instruction.data.map(Data::consume),
+    })
+  }
+}
+
+impl<A: Address> Payment<A> {
+  /// Create a new Payment.
+  pub fn new(address: A, balance: Balance, data: Option<Vec<u8>>) -> Self {
+    Payment { address, balance, data }
+  }
+  /// The address to pay.
+  pub fn address(&self) -> &A {
+    &self.address
+  }
+  /// The balance to transfer.
+  pub fn balance(&self) -> Balance {
+    self.balance
+  }
+  /// The data to associate with this payment.
+  pub fn data(&self) -> &Option<Vec<u8>> {
+    &self.data
+  }
+}