Ayush's Web3 Portfolio

Hey 👋 there, Welcome 🙂

Ayush here, a software developer building full stack products using React, Next.js, Node, and Express.

Here are some of the web3 projects I build in my web3 journey and things I learned along the way : -

Program (Solana)

Vault Program

User can open a vault, which will be system account unique to user
User can deposit amount into vault
User can withdraw amount from vault

Tech Stack : Anchor, Rust

Repo Link

Escrow Program

Make Instruction

Maker initializes escrow PDA,
Maker creates vault PDA, whose authority lies with escrow
Escrow contains information of token mint addresses and amount that needs to be exchanged

Refund Instruction

Maker calls refund instruction for closing escrow and get a refund

Take Instruction

Taker creates associated_token_account (ATA) for maker
Taker transfers tokens to maker ATA
Escrow transfers tokens from vault to taker ATA
Escrow PDA is closed

Tech Stack : Anchor, Rust

Repo Link

NFT Staking Program

Initialize User Instruction

Creates user account PDA
User account contains
- points: reward points
- amounts_staked: number of nft staked

Initialize Config Instruction

Creates Config PDA
Config PDA includes
- points_per_stake: reward points per stake
- freeze_period: period till which nft needs to be staked
- max_stake: max number of nft that can be staked
- rewards_bump: bump of rewards_mint
Initialize Rewards Mint
Only Admin can create config and reward_mint

Stake Instruction

Creates Stake PDA
Stake PDA includes
- owner: owner of nft
- mint: mint address of nft
- stake_at: Unix time stamp when nft was staked
Delegate Authority of Mint ATA to Stake Account
Freezes Nft
Increment user account staked nft by one

UnStake Instruction

Checks elapsed time
Increases the user reward points
Unfreezes NFT
Revokes delegation to Stake Account
Decreases ft staked number by one

Claim Instruction

Mint reward tokens to User Rewards ATA
Makes user reward points to zero

Tech Stack : Anchor, Rust

Repo Link