Payment Splitter

This example shows how you can reuse the implementation of payment-splitter.

Step 1: Include dependencies

Include brush as dependency in the cargo file or you can use default Cargo.toml template. After you need to enable default implementation of Payment Splitter via brush features.

brush = { tag = "v1.6.1", git = "https://github.com/Supercolony-net/openbrush-contracts", default-features = false, features = ["payment_splitter"] }
# payment-splitter uses dividing inside, so your version of rust can require you to disable check overflow.[profile.dev]

Step 2: Add imports and enable unstable feature

Use brush::contract macro instead of ink::contract. Import everything from brush::contracts::payment_splitter.

#![cfg_attr(not(feature = "std"), no_std)]#![feature(min_specialization)]
#[brush::contract]pub mod my_payment_splitter {    use brush::contracts::payment_splitter::*;    use ink_prelude::vec::Vec;    use ink_storage::traits::SpreadAllocate;

Step 3: Define storage

Declare storage struct and declare the field related to PaymentSplitterStorage Then you need to derive PaymentSplitterStorage trait and mark corresponding field with #[PaymentSplitterStorageField] attribute. Deriving this trait allows you to reuse the default implementation of PaymentSplitter.

#[ink(storage)]#[derive(Default, SpreadAllocate, PaymentSplitterStorage)]pub struct SplitterStruct {   #[PaymentSplitterStorageField]   splitter: PaymentSplitterData,}

Step 4: Inherit logic

Inherit the implementation of PaymentSplitter. You can customize (override) methods in this impl block.

impl PaymentSplitter for SplitterStruct {}

Step 5: Define constructor

Define constructor. Your basic version of PaymentSplitter contract is ready!

impl SplitterStruct {   #[ink(constructor)]   pub fn new(payees_and_shares: Vec<(AccountId, Balance)>) -> Self {      ink_lang::codegen::initialize_contract(|instance: &mut Self| {         instance._init(payees_and_shares).expect("Should init");      })   }}

You can check an example of the usage of PaymentSplitter.