OTC sales with lock-up and staking

[cankisagun]

Most sales to funds / long term holders are OTC deals that involve a price discount + lock-up period for the buyer. SecretAuctions can accommodate this process, which currently is trust-based.

This would be used in liquidation SCRT Ecosystem Fund to fund USD based grants or diversify the portfolio. Here's how this would work:

• Seller is selling X SCRT with a time_t lock up and Y% discount, in exchange for Y token (USDT, DAI, ETH, WBTC etc.)
• Buyers bid to purchase X SCRT with lock-up.
• The buyer also wants to earn staking income while their assets are locked up (they are unable to sell or move the purchased SCRT)

In order to accommodate for this, the auction contract would need to:

1. convert sSCRT to SCRT and stake it (can be single validator selection in the beginning)
2. Set a time after which the buyer address can undelegate the tokens from the validator if she/he chooses to

[cankisagun]

Auction next step: current auction contract + workflow including lock-up and delegation during lock up via vault contract

• Seller chooses vaulted auction (can only sell sSCRT)
• Buyer chooses a validator to delegate with + has administrative power over the delegation contract (re-delegate, split delegation among validators, claim staking rewards, restake existing reward) -> can to add this to the UI