$ dutch_auction

devnet

// dutch_auction

A descending-price auction on Solana. The seller sets a start price that linearly decreases to an end price over a time window. Buyers can purchase at the current price at any moment — first come, first served.

> price = start_price - (elapsed / duration) * price_range

// price drops every second until someone buys

# stack

Anchor

Solana framework

@solana/kit

Modern SDK

Codama

Client gen

@solana/react

Wallet hooks

# how_to_test

  1. 1

    Get devnet SOL

    Grab free tokens from the faucet for gas fees. faucet.solana.com

  2. 2

    Create SPL tokens

    Use "spl-token create-token" and "spl-token mint" to create test tokens on devnet.

  3. 3

    Connect your wallet

    Use Phantom, Solflare, or any Solana wallet set to Devnet.

  4. 4

    Create an auction (Sell tab)

    Enter mint addresses, amount, price range, and duration. Tokens are escrowed on-chain.

  5. 5

    Watch the price drop (Buy tab)

    The price decreases linearly every second. Buy at any moment for the current price.

  6. 6

    Buy or cancel

    Buyers purchase at the live price. Sellers can cancel before the auction starts.