Crypto streaming on Injective chain

Calamus Finance is a protocol for streaming cryptocurrency that operates in a decentralized manner, enabling individuals to make payments and receive them at any given time, while also facilitating automatic token vesting.

The reason for selecting Injective is its all-encompassing nature within the Cosmos Ecosystem, which enables us to save time on research and development and concentrate more on feature development.

Main Features

• Payroll: Pay your employees by the second quickly. Company will have complete control over frequency, liquidity amount and duration. Cancellation is possible at any time by the payer and/or payee.
• Token Vesting: Reward your team, advisors and investors with tokens automatically without any fear of foul-play

Technologies

• CosmWasm: To develop smart contracts
• InjectiveLabs SDK
• InjectiveLabs Wallet API
• Injectived Dev tool
• NextJS 12
• Charka UI components
• React 17 & React-Redux

Installation

Prior to beginning, it is necessary to install Rust and NodeJS.

Deploy smart contracts

Install tools

• Install Injectived
• Add new address or import keys using two commands:
  • injectived keys add
  • injectived keys import

Deployment

• CD to contract folder: cd contracts/
• Compile contract

  docker run --rm -v "$(pwd)":/code \
    --mount type=volume,source="$(basename "$(pwd)")_cache",target=/code/target \
    --mount type=volume,source=registry_cache,target=/usr/local/cargo/registry \
    cosmwasm/rust-optimizer:0.12.12
  
  

• Upload wasm code

  INJ_ADDRESS=<your_inj_address>
  
  injectived tx wasm store artifacts/inject_cash.wasm \
  --from=$(echo $INJ_ADDRESS) \
  --chain-id="injective-888" \
  --yes --gas-prices=500000000inj --gas=20000000 \
  --node=https://k8s.testnet.tm.injective.network:443
  
  

• Query last tx

  injectived query tx <your_tx_hash>  --node=https://k8s.testnet.tm.injective.network:443
  

• Check events and get code_id from log, our code_id in Testnet is 862

  - events:
   - attributes:
     - key: access_config
       value: '{"permission":"Everybody","address":"","addresses":[]}'
     - key: checksum
       value: '"cfAswcayj/XJRHiV0Y3/hejWQZ70ymhgY9QWjez8plU="'
     - key: code_id
       value: '"514"'
     - key: creator
       value: '"inj1gwpnskafpjn4dg5uarh6cc5s68gv86589zcfxp"'
  
  

  export CODE_ID=<code_id>
  

• Get contract address

  CONTRACT=$(injectived query wasm list-contract-by-code $CODE_ID --node=https://k8s.testnet.tm.injective.network:443 --output json | jq -r '.contracts[-1]')
  

  injectived query wasm contract $CONTRACT --node=https://k8s.testnet.tm.injective.network:443
  

Install dApp

• Run command: npm i
• Run dev mode: npm run dev
• Run production mode: npm run start

Smart Contracts

Our main smart contract is here

Create stream process

Withdraw token process

Top-up stream process

Cancel stream process

Transfer stream process

Testing

• CD to contract folder: cd contracts/
• Run command: cargo test

License

Copyright © 2023 Calamus Finance. See LICENSE for further details.